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1 | 54936004 | bellard | /*
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2 | fd6ce8f6 | bellard | * virtual page mapping and translated block handling
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3 | 5fafdf24 | ths | *
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4 | 54936004 | bellard | * Copyright (c) 2003 Fabrice Bellard
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5 | 54936004 | bellard | *
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6 | 54936004 | bellard | * This library is free software; you can redistribute it and/or
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7 | 54936004 | bellard | * modify it under the terms of the GNU Lesser General Public
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8 | 54936004 | bellard | * License as published by the Free Software Foundation; either
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9 | 54936004 | bellard | * version 2 of the License, or (at your option) any later version.
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10 | 54936004 | bellard | *
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11 | 54936004 | bellard | * This library is distributed in the hope that it will be useful,
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12 | 54936004 | bellard | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 54936004 | bellard | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 54936004 | bellard | * Lesser General Public License for more details.
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15 | 54936004 | bellard | *
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16 | 54936004 | bellard | * You should have received a copy of the GNU Lesser General Public
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17 | 54936004 | bellard | * License along with this library; if not, write to the Free Software
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18 | fad6cb1a | aurel32 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
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19 | 54936004 | bellard | */
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20 | 67b915a5 | bellard | #include "config.h" |
21 | d5a8f07c | bellard | #ifdef _WIN32
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22 | d5a8f07c | bellard | #include <windows.h> |
23 | d5a8f07c | bellard | #else
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24 | a98d49b1 | bellard | #include <sys/types.h> |
25 | d5a8f07c | bellard | #include <sys/mman.h> |
26 | d5a8f07c | bellard | #endif
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27 | 54936004 | bellard | #include <stdlib.h> |
28 | 54936004 | bellard | #include <stdio.h> |
29 | 54936004 | bellard | #include <stdarg.h> |
30 | 54936004 | bellard | #include <string.h> |
31 | 54936004 | bellard | #include <errno.h> |
32 | 54936004 | bellard | #include <unistd.h> |
33 | 54936004 | bellard | #include <inttypes.h> |
34 | 54936004 | bellard | |
35 | 6180a181 | bellard | #include "cpu.h" |
36 | 6180a181 | bellard | #include "exec-all.h" |
37 | ca10f867 | aurel32 | #include "qemu-common.h" |
38 | b67d9a52 | bellard | #include "tcg.h" |
39 | b3c7724c | pbrook | #include "hw/hw.h" |
40 | 74576198 | aliguori | #include "osdep.h" |
41 | 7ba1e619 | aliguori | #include "kvm.h" |
42 | 53a5960a | pbrook | #if defined(CONFIG_USER_ONLY)
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43 | 53a5960a | pbrook | #include <qemu.h> |
44 | 53a5960a | pbrook | #endif
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45 | 54936004 | bellard | |
46 | fd6ce8f6 | bellard | //#define DEBUG_TB_INVALIDATE
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47 | 66e85a21 | bellard | //#define DEBUG_FLUSH
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48 | 9fa3e853 | bellard | //#define DEBUG_TLB
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49 | 67d3b957 | pbrook | //#define DEBUG_UNASSIGNED
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50 | fd6ce8f6 | bellard | |
51 | fd6ce8f6 | bellard | /* make various TB consistency checks */
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52 | 5fafdf24 | ths | //#define DEBUG_TB_CHECK
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53 | 5fafdf24 | ths | //#define DEBUG_TLB_CHECK
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54 | fd6ce8f6 | bellard | |
55 | 1196be37 | ths | //#define DEBUG_IOPORT
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56 | db7b5426 | blueswir1 | //#define DEBUG_SUBPAGE
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57 | 1196be37 | ths | |
58 | 99773bd4 | pbrook | #if !defined(CONFIG_USER_ONLY)
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59 | 99773bd4 | pbrook | /* TB consistency checks only implemented for usermode emulation. */
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60 | 99773bd4 | pbrook | #undef DEBUG_TB_CHECK
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61 | 99773bd4 | pbrook | #endif
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62 | 99773bd4 | pbrook | |
63 | 9fa3e853 | bellard | #define SMC_BITMAP_USE_THRESHOLD 10 |
64 | 9fa3e853 | bellard | |
65 | 108c49b8 | bellard | #if defined(TARGET_SPARC64)
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66 | 108c49b8 | bellard | #define TARGET_PHYS_ADDR_SPACE_BITS 41 |
67 | 5dcb6b91 | blueswir1 | #elif defined(TARGET_SPARC)
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68 | 5dcb6b91 | blueswir1 | #define TARGET_PHYS_ADDR_SPACE_BITS 36 |
69 | bedb69ea | j_mayer | #elif defined(TARGET_ALPHA)
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70 | bedb69ea | j_mayer | #define TARGET_PHYS_ADDR_SPACE_BITS 42 |
71 | bedb69ea | j_mayer | #define TARGET_VIRT_ADDR_SPACE_BITS 42 |
72 | 108c49b8 | bellard | #elif defined(TARGET_PPC64)
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73 | 108c49b8 | bellard | #define TARGET_PHYS_ADDR_SPACE_BITS 42 |
74 | 00f82b8a | aurel32 | #elif defined(TARGET_X86_64) && !defined(USE_KQEMU)
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75 | 00f82b8a | aurel32 | #define TARGET_PHYS_ADDR_SPACE_BITS 42 |
76 | 00f82b8a | aurel32 | #elif defined(TARGET_I386) && !defined(USE_KQEMU)
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77 | 00f82b8a | aurel32 | #define TARGET_PHYS_ADDR_SPACE_BITS 36 |
78 | 108c49b8 | bellard | #else
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79 | 108c49b8 | bellard | /* Note: for compatibility with kqemu, we use 32 bits for x86_64 */
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80 | 108c49b8 | bellard | #define TARGET_PHYS_ADDR_SPACE_BITS 32 |
81 | 108c49b8 | bellard | #endif
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82 | 108c49b8 | bellard | |
83 | bdaf78e0 | blueswir1 | static TranslationBlock *tbs;
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84 | 26a5f13b | bellard | int code_gen_max_blocks;
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85 | 9fa3e853 | bellard | TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE]; |
86 | bdaf78e0 | blueswir1 | static int nb_tbs; |
87 | eb51d102 | bellard | /* any access to the tbs or the page table must use this lock */
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88 | eb51d102 | bellard | spinlock_t tb_lock = SPIN_LOCK_UNLOCKED; |
89 | fd6ce8f6 | bellard | |
90 | 141ac468 | blueswir1 | #if defined(__arm__) || defined(__sparc_v9__)
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91 | 141ac468 | blueswir1 | /* The prologue must be reachable with a direct jump. ARM and Sparc64
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92 | 141ac468 | blueswir1 | have limited branch ranges (possibly also PPC) so place it in a
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93 | d03d860b | blueswir1 | section close to code segment. */
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94 | d03d860b | blueswir1 | #define code_gen_section \
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95 | d03d860b | blueswir1 | __attribute__((__section__(".gen_code"))) \
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96 | d03d860b | blueswir1 | __attribute__((aligned (32)))
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97 | d03d860b | blueswir1 | #else
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98 | d03d860b | blueswir1 | #define code_gen_section \
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99 | d03d860b | blueswir1 | __attribute__((aligned (32)))
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100 | d03d860b | blueswir1 | #endif
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101 | d03d860b | blueswir1 | |
102 | d03d860b | blueswir1 | uint8_t code_gen_prologue[1024] code_gen_section;
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103 | bdaf78e0 | blueswir1 | static uint8_t *code_gen_buffer;
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104 | bdaf78e0 | blueswir1 | static unsigned long code_gen_buffer_size; |
105 | 26a5f13b | bellard | /* threshold to flush the translated code buffer */
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106 | bdaf78e0 | blueswir1 | static unsigned long code_gen_buffer_max_size; |
107 | fd6ce8f6 | bellard | uint8_t *code_gen_ptr; |
108 | fd6ce8f6 | bellard | |
109 | e2eef170 | pbrook | #if !defined(CONFIG_USER_ONLY)
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110 | 00f82b8a | aurel32 | ram_addr_t phys_ram_size; |
111 | 9fa3e853 | bellard | int phys_ram_fd;
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112 | 9fa3e853 | bellard | uint8_t *phys_ram_base; |
113 | 1ccde1cb | bellard | uint8_t *phys_ram_dirty; |
114 | 74576198 | aliguori | static int in_migration; |
115 | e9a1ab19 | bellard | static ram_addr_t phys_ram_alloc_offset = 0; |
116 | e2eef170 | pbrook | #endif
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117 | 9fa3e853 | bellard | |
118 | 6a00d601 | bellard | CPUState *first_cpu; |
119 | 6a00d601 | bellard | /* current CPU in the current thread. It is only valid inside
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120 | 6a00d601 | bellard | cpu_exec() */
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121 | 5fafdf24 | ths | CPUState *cpu_single_env; |
122 | 2e70f6ef | pbrook | /* 0 = Do not count executed instructions.
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123 | bf20dc07 | ths | 1 = Precise instruction counting.
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124 | 2e70f6ef | pbrook | 2 = Adaptive rate instruction counting. */
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125 | 2e70f6ef | pbrook | int use_icount = 0; |
126 | 2e70f6ef | pbrook | /* Current instruction counter. While executing translated code this may
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127 | 2e70f6ef | pbrook | include some instructions that have not yet been executed. */
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128 | 2e70f6ef | pbrook | int64_t qemu_icount; |
129 | 6a00d601 | bellard | |
130 | 54936004 | bellard | typedef struct PageDesc { |
131 | 92e873b9 | bellard | /* list of TBs intersecting this ram page */
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132 | fd6ce8f6 | bellard | TranslationBlock *first_tb; |
133 | 9fa3e853 | bellard | /* in order to optimize self modifying code, we count the number
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134 | 9fa3e853 | bellard | of lookups we do to a given page to use a bitmap */
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135 | 9fa3e853 | bellard | unsigned int code_write_count; |
136 | 9fa3e853 | bellard | uint8_t *code_bitmap; |
137 | 9fa3e853 | bellard | #if defined(CONFIG_USER_ONLY)
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138 | 9fa3e853 | bellard | unsigned long flags; |
139 | 9fa3e853 | bellard | #endif
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140 | 54936004 | bellard | } PageDesc; |
141 | 54936004 | bellard | |
142 | 92e873b9 | bellard | typedef struct PhysPageDesc { |
143 | 0f459d16 | pbrook | /* offset in host memory of the page + io_index in the low bits */
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144 | 00f82b8a | aurel32 | ram_addr_t phys_offset; |
145 | 8da3ff18 | pbrook | ram_addr_t region_offset; |
146 | 92e873b9 | bellard | } PhysPageDesc; |
147 | 92e873b9 | bellard | |
148 | 54936004 | bellard | #define L2_BITS 10 |
149 | bedb69ea | j_mayer | #if defined(CONFIG_USER_ONLY) && defined(TARGET_VIRT_ADDR_SPACE_BITS)
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150 | bedb69ea | j_mayer | /* XXX: this is a temporary hack for alpha target.
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151 | bedb69ea | j_mayer | * In the future, this is to be replaced by a multi-level table
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152 | bedb69ea | j_mayer | * to actually be able to handle the complete 64 bits address space.
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153 | bedb69ea | j_mayer | */
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154 | bedb69ea | j_mayer | #define L1_BITS (TARGET_VIRT_ADDR_SPACE_BITS - L2_BITS - TARGET_PAGE_BITS)
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155 | bedb69ea | j_mayer | #else
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156 | 03875444 | aurel32 | #define L1_BITS (32 - L2_BITS - TARGET_PAGE_BITS) |
157 | bedb69ea | j_mayer | #endif
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158 | 54936004 | bellard | |
159 | 54936004 | bellard | #define L1_SIZE (1 << L1_BITS) |
160 | 54936004 | bellard | #define L2_SIZE (1 << L2_BITS) |
161 | 54936004 | bellard | |
162 | 83fb7adf | bellard | unsigned long qemu_real_host_page_size; |
163 | 83fb7adf | bellard | unsigned long qemu_host_page_bits; |
164 | 83fb7adf | bellard | unsigned long qemu_host_page_size; |
165 | 83fb7adf | bellard | unsigned long qemu_host_page_mask; |
166 | 54936004 | bellard | |
167 | 92e873b9 | bellard | /* XXX: for system emulation, it could just be an array */
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168 | 54936004 | bellard | static PageDesc *l1_map[L1_SIZE];
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169 | bdaf78e0 | blueswir1 | static PhysPageDesc **l1_phys_map;
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170 | 54936004 | bellard | |
171 | e2eef170 | pbrook | #if !defined(CONFIG_USER_ONLY)
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172 | e2eef170 | pbrook | static void io_mem_init(void); |
173 | e2eef170 | pbrook | |
174 | 33417e70 | bellard | /* io memory support */
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175 | 33417e70 | bellard | CPUWriteMemoryFunc *io_mem_write[IO_MEM_NB_ENTRIES][4];
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176 | 33417e70 | bellard | CPUReadMemoryFunc *io_mem_read[IO_MEM_NB_ENTRIES][4];
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177 | a4193c8a | bellard | void *io_mem_opaque[IO_MEM_NB_ENTRIES];
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178 | 511d2b14 | blueswir1 | static char io_mem_used[IO_MEM_NB_ENTRIES]; |
179 | 6658ffb8 | pbrook | static int io_mem_watch; |
180 | 6658ffb8 | pbrook | #endif
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181 | 33417e70 | bellard | |
182 | 34865134 | bellard | /* log support */
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183 | d9b630fd | blueswir1 | static const char *logfilename = "/tmp/qemu.log"; |
184 | 34865134 | bellard | FILE *logfile; |
185 | 34865134 | bellard | int loglevel;
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186 | e735b91c | pbrook | static int log_append = 0; |
187 | 34865134 | bellard | |
188 | e3db7226 | bellard | /* statistics */
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189 | e3db7226 | bellard | static int tlb_flush_count; |
190 | e3db7226 | bellard | static int tb_flush_count; |
191 | e3db7226 | bellard | static int tb_phys_invalidate_count; |
192 | e3db7226 | bellard | |
193 | db7b5426 | blueswir1 | #define SUBPAGE_IDX(addr) ((addr) & ~TARGET_PAGE_MASK)
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194 | db7b5426 | blueswir1 | typedef struct subpage_t { |
195 | db7b5426 | blueswir1 | target_phys_addr_t base; |
196 | 3ee89922 | blueswir1 | CPUReadMemoryFunc **mem_read[TARGET_PAGE_SIZE][4];
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197 | 3ee89922 | blueswir1 | CPUWriteMemoryFunc **mem_write[TARGET_PAGE_SIZE][4];
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198 | 3ee89922 | blueswir1 | void *opaque[TARGET_PAGE_SIZE][2][4]; |
199 | 8da3ff18 | pbrook | ram_addr_t region_offset[TARGET_PAGE_SIZE][2][4]; |
200 | db7b5426 | blueswir1 | } subpage_t; |
201 | db7b5426 | blueswir1 | |
202 | 7cb69cae | bellard | #ifdef _WIN32
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203 | 7cb69cae | bellard | static void map_exec(void *addr, long size) |
204 | 7cb69cae | bellard | { |
205 | 7cb69cae | bellard | DWORD old_protect; |
206 | 7cb69cae | bellard | VirtualProtect(addr, size, |
207 | 7cb69cae | bellard | PAGE_EXECUTE_READWRITE, &old_protect); |
208 | 7cb69cae | bellard | |
209 | 7cb69cae | bellard | } |
210 | 7cb69cae | bellard | #else
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211 | 7cb69cae | bellard | static void map_exec(void *addr, long size) |
212 | 7cb69cae | bellard | { |
213 | 4369415f | bellard | unsigned long start, end, page_size; |
214 | 7cb69cae | bellard | |
215 | 4369415f | bellard | page_size = getpagesize(); |
216 | 7cb69cae | bellard | start = (unsigned long)addr; |
217 | 4369415f | bellard | start &= ~(page_size - 1);
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218 | 7cb69cae | bellard | |
219 | 7cb69cae | bellard | end = (unsigned long)addr + size; |
220 | 4369415f | bellard | end += page_size - 1;
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221 | 4369415f | bellard | end &= ~(page_size - 1);
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222 | 7cb69cae | bellard | |
223 | 7cb69cae | bellard | mprotect((void *)start, end - start,
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224 | 7cb69cae | bellard | PROT_READ | PROT_WRITE | PROT_EXEC); |
225 | 7cb69cae | bellard | } |
226 | 7cb69cae | bellard | #endif
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227 | 7cb69cae | bellard | |
228 | b346ff46 | bellard | static void page_init(void) |
229 | 54936004 | bellard | { |
230 | 83fb7adf | bellard | /* NOTE: we can always suppose that qemu_host_page_size >=
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231 | 54936004 | bellard | TARGET_PAGE_SIZE */
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232 | c2b48b69 | aliguori | #ifdef _WIN32
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233 | c2b48b69 | aliguori | { |
234 | c2b48b69 | aliguori | SYSTEM_INFO system_info; |
235 | c2b48b69 | aliguori | |
236 | c2b48b69 | aliguori | GetSystemInfo(&system_info); |
237 | c2b48b69 | aliguori | qemu_real_host_page_size = system_info.dwPageSize; |
238 | c2b48b69 | aliguori | } |
239 | c2b48b69 | aliguori | #else
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240 | c2b48b69 | aliguori | qemu_real_host_page_size = getpagesize(); |
241 | c2b48b69 | aliguori | #endif
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242 | 83fb7adf | bellard | if (qemu_host_page_size == 0) |
243 | 83fb7adf | bellard | qemu_host_page_size = qemu_real_host_page_size; |
244 | 83fb7adf | bellard | if (qemu_host_page_size < TARGET_PAGE_SIZE)
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245 | 83fb7adf | bellard | qemu_host_page_size = TARGET_PAGE_SIZE; |
246 | 83fb7adf | bellard | qemu_host_page_bits = 0;
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247 | 83fb7adf | bellard | while ((1 << qemu_host_page_bits) < qemu_host_page_size) |
248 | 83fb7adf | bellard | qemu_host_page_bits++; |
249 | 83fb7adf | bellard | qemu_host_page_mask = ~(qemu_host_page_size - 1);
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250 | 108c49b8 | bellard | l1_phys_map = qemu_vmalloc(L1_SIZE * sizeof(void *)); |
251 | 108c49b8 | bellard | memset(l1_phys_map, 0, L1_SIZE * sizeof(void *)); |
252 | 50a9569b | balrog | |
253 | 50a9569b | balrog | #if !defined(_WIN32) && defined(CONFIG_USER_ONLY)
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254 | 50a9569b | balrog | { |
255 | 50a9569b | balrog | long long startaddr, endaddr; |
256 | 50a9569b | balrog | FILE *f; |
257 | 50a9569b | balrog | int n;
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258 | 50a9569b | balrog | |
259 | c8a706fe | pbrook | mmap_lock(); |
260 | 0776590d | pbrook | last_brk = (unsigned long)sbrk(0); |
261 | 50a9569b | balrog | f = fopen("/proc/self/maps", "r"); |
262 | 50a9569b | balrog | if (f) {
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263 | 50a9569b | balrog | do {
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264 | 50a9569b | balrog | n = fscanf (f, "%llx-%llx %*[^\n]\n", &startaddr, &endaddr);
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265 | 50a9569b | balrog | if (n == 2) { |
266 | e0b8d65a | blueswir1 | startaddr = MIN(startaddr, |
267 | e0b8d65a | blueswir1 | (1ULL << TARGET_PHYS_ADDR_SPACE_BITS) - 1); |
268 | e0b8d65a | blueswir1 | endaddr = MIN(endaddr, |
269 | e0b8d65a | blueswir1 | (1ULL << TARGET_PHYS_ADDR_SPACE_BITS) - 1); |
270 | b5fc909e | pbrook | page_set_flags(startaddr & TARGET_PAGE_MASK, |
271 | 50a9569b | balrog | TARGET_PAGE_ALIGN(endaddr), |
272 | 50a9569b | balrog | PAGE_RESERVED); |
273 | 50a9569b | balrog | } |
274 | 50a9569b | balrog | } while (!feof(f));
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275 | 50a9569b | balrog | fclose(f); |
276 | 50a9569b | balrog | } |
277 | c8a706fe | pbrook | mmap_unlock(); |
278 | 50a9569b | balrog | } |
279 | 50a9569b | balrog | #endif
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280 | 54936004 | bellard | } |
281 | 54936004 | bellard | |
282 | 434929bf | aliguori | static inline PageDesc **page_l1_map(target_ulong index) |
283 | 54936004 | bellard | { |
284 | 17e2377a | pbrook | #if TARGET_LONG_BITS > 32 |
285 | 17e2377a | pbrook | /* Host memory outside guest VM. For 32-bit targets we have already
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286 | 17e2377a | pbrook | excluded high addresses. */
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287 | d8173e0f | ths | if (index > ((target_ulong)L2_SIZE * L1_SIZE))
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288 | 17e2377a | pbrook | return NULL; |
289 | 17e2377a | pbrook | #endif
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290 | 434929bf | aliguori | return &l1_map[index >> L2_BITS];
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291 | 434929bf | aliguori | } |
292 | 434929bf | aliguori | |
293 | 434929bf | aliguori | static inline PageDesc *page_find_alloc(target_ulong index) |
294 | 434929bf | aliguori | { |
295 | 434929bf | aliguori | PageDesc **lp, *p; |
296 | 434929bf | aliguori | lp = page_l1_map(index); |
297 | 434929bf | aliguori | if (!lp)
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298 | 434929bf | aliguori | return NULL; |
299 | 434929bf | aliguori | |
300 | 54936004 | bellard | p = *lp; |
301 | 54936004 | bellard | if (!p) {
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302 | 54936004 | bellard | /* allocate if not found */
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303 | 17e2377a | pbrook | #if defined(CONFIG_USER_ONLY)
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304 | 17e2377a | pbrook | size_t len = sizeof(PageDesc) * L2_SIZE;
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305 | 17e2377a | pbrook | /* Don't use qemu_malloc because it may recurse. */
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306 | 17e2377a | pbrook | p = mmap(0, len, PROT_READ | PROT_WRITE,
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307 | 17e2377a | pbrook | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
308 | 54936004 | bellard | *lp = p; |
309 | fb1c2cd7 | aurel32 | if (h2g_valid(p)) {
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310 | fb1c2cd7 | aurel32 | unsigned long addr = h2g(p); |
311 | 17e2377a | pbrook | page_set_flags(addr & TARGET_PAGE_MASK, |
312 | 17e2377a | pbrook | TARGET_PAGE_ALIGN(addr + len), |
313 | 17e2377a | pbrook | PAGE_RESERVED); |
314 | 17e2377a | pbrook | } |
315 | 17e2377a | pbrook | #else
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316 | 17e2377a | pbrook | p = qemu_mallocz(sizeof(PageDesc) * L2_SIZE);
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317 | 17e2377a | pbrook | *lp = p; |
318 | 17e2377a | pbrook | #endif
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319 | 54936004 | bellard | } |
320 | 54936004 | bellard | return p + (index & (L2_SIZE - 1)); |
321 | 54936004 | bellard | } |
322 | 54936004 | bellard | |
323 | 00f82b8a | aurel32 | static inline PageDesc *page_find(target_ulong index) |
324 | 54936004 | bellard | { |
325 | 434929bf | aliguori | PageDesc **lp, *p; |
326 | 434929bf | aliguori | lp = page_l1_map(index); |
327 | 434929bf | aliguori | if (!lp)
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328 | 434929bf | aliguori | return NULL; |
329 | 54936004 | bellard | |
330 | 434929bf | aliguori | p = *lp; |
331 | 54936004 | bellard | if (!p)
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332 | 54936004 | bellard | return 0; |
333 | fd6ce8f6 | bellard | return p + (index & (L2_SIZE - 1)); |
334 | fd6ce8f6 | bellard | } |
335 | fd6ce8f6 | bellard | |
336 | 108c49b8 | bellard | static PhysPageDesc *phys_page_find_alloc(target_phys_addr_t index, int alloc) |
337 | 92e873b9 | bellard | { |
338 | 108c49b8 | bellard | void **lp, **p;
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339 | e3f4e2a4 | pbrook | PhysPageDesc *pd; |
340 | 92e873b9 | bellard | |
341 | 108c49b8 | bellard | p = (void **)l1_phys_map;
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342 | 108c49b8 | bellard | #if TARGET_PHYS_ADDR_SPACE_BITS > 32 |
343 | 108c49b8 | bellard | |
344 | 108c49b8 | bellard | #if TARGET_PHYS_ADDR_SPACE_BITS > (32 + L1_BITS) |
345 | 108c49b8 | bellard | #error unsupported TARGET_PHYS_ADDR_SPACE_BITS
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346 | 108c49b8 | bellard | #endif
|
347 | 108c49b8 | bellard | lp = p + ((index >> (L1_BITS + L2_BITS)) & (L1_SIZE - 1));
|
348 | 92e873b9 | bellard | p = *lp; |
349 | 92e873b9 | bellard | if (!p) {
|
350 | 92e873b9 | bellard | /* allocate if not found */
|
351 | 108c49b8 | bellard | if (!alloc)
|
352 | 108c49b8 | bellard | return NULL; |
353 | 108c49b8 | bellard | p = qemu_vmalloc(sizeof(void *) * L1_SIZE); |
354 | 108c49b8 | bellard | memset(p, 0, sizeof(void *) * L1_SIZE); |
355 | 108c49b8 | bellard | *lp = p; |
356 | 108c49b8 | bellard | } |
357 | 108c49b8 | bellard | #endif
|
358 | 108c49b8 | bellard | lp = p + ((index >> L2_BITS) & (L1_SIZE - 1));
|
359 | e3f4e2a4 | pbrook | pd = *lp; |
360 | e3f4e2a4 | pbrook | if (!pd) {
|
361 | e3f4e2a4 | pbrook | int i;
|
362 | 108c49b8 | bellard | /* allocate if not found */
|
363 | 108c49b8 | bellard | if (!alloc)
|
364 | 108c49b8 | bellard | return NULL; |
365 | e3f4e2a4 | pbrook | pd = qemu_vmalloc(sizeof(PhysPageDesc) * L2_SIZE);
|
366 | e3f4e2a4 | pbrook | *lp = pd; |
367 | 67c4d23c | pbrook | for (i = 0; i < L2_SIZE; i++) { |
368 | e3f4e2a4 | pbrook | pd[i].phys_offset = IO_MEM_UNASSIGNED; |
369 | 67c4d23c | pbrook | pd[i].region_offset = (index + i) << TARGET_PAGE_BITS; |
370 | 67c4d23c | pbrook | } |
371 | 92e873b9 | bellard | } |
372 | e3f4e2a4 | pbrook | return ((PhysPageDesc *)pd) + (index & (L2_SIZE - 1)); |
373 | 92e873b9 | bellard | } |
374 | 92e873b9 | bellard | |
375 | 108c49b8 | bellard | static inline PhysPageDesc *phys_page_find(target_phys_addr_t index) |
376 | 92e873b9 | bellard | { |
377 | 108c49b8 | bellard | return phys_page_find_alloc(index, 0); |
378 | 92e873b9 | bellard | } |
379 | 92e873b9 | bellard | |
380 | 9fa3e853 | bellard | #if !defined(CONFIG_USER_ONLY)
|
381 | 6a00d601 | bellard | static void tlb_protect_code(ram_addr_t ram_addr); |
382 | 5fafdf24 | ths | static void tlb_unprotect_code_phys(CPUState *env, ram_addr_t ram_addr, |
383 | 3a7d929e | bellard | target_ulong vaddr); |
384 | c8a706fe | pbrook | #define mmap_lock() do { } while(0) |
385 | c8a706fe | pbrook | #define mmap_unlock() do { } while(0) |
386 | 9fa3e853 | bellard | #endif
|
387 | fd6ce8f6 | bellard | |
388 | 4369415f | bellard | #define DEFAULT_CODE_GEN_BUFFER_SIZE (32 * 1024 * 1024) |
389 | 4369415f | bellard | |
390 | 4369415f | bellard | #if defined(CONFIG_USER_ONLY)
|
391 | 4369415f | bellard | /* Currently it is not recommanded to allocate big chunks of data in
|
392 | 4369415f | bellard | user mode. It will change when a dedicated libc will be used */
|
393 | 4369415f | bellard | #define USE_STATIC_CODE_GEN_BUFFER
|
394 | 4369415f | bellard | #endif
|
395 | 4369415f | bellard | |
396 | 4369415f | bellard | #ifdef USE_STATIC_CODE_GEN_BUFFER
|
397 | 4369415f | bellard | static uint8_t static_code_gen_buffer[DEFAULT_CODE_GEN_BUFFER_SIZE];
|
398 | 4369415f | bellard | #endif
|
399 | 4369415f | bellard | |
400 | 8fcd3692 | blueswir1 | static void code_gen_alloc(unsigned long tb_size) |
401 | 26a5f13b | bellard | { |
402 | 4369415f | bellard | #ifdef USE_STATIC_CODE_GEN_BUFFER
|
403 | 4369415f | bellard | code_gen_buffer = static_code_gen_buffer; |
404 | 4369415f | bellard | code_gen_buffer_size = DEFAULT_CODE_GEN_BUFFER_SIZE; |
405 | 4369415f | bellard | map_exec(code_gen_buffer, code_gen_buffer_size); |
406 | 4369415f | bellard | #else
|
407 | 26a5f13b | bellard | code_gen_buffer_size = tb_size; |
408 | 26a5f13b | bellard | if (code_gen_buffer_size == 0) { |
409 | 4369415f | bellard | #if defined(CONFIG_USER_ONLY)
|
410 | 4369415f | bellard | /* in user mode, phys_ram_size is not meaningful */
|
411 | 4369415f | bellard | code_gen_buffer_size = DEFAULT_CODE_GEN_BUFFER_SIZE; |
412 | 4369415f | bellard | #else
|
413 | 26a5f13b | bellard | /* XXX: needs ajustments */
|
414 | 174a9a1f | aliguori | code_gen_buffer_size = (unsigned long)(phys_ram_size / 4); |
415 | 4369415f | bellard | #endif
|
416 | 26a5f13b | bellard | } |
417 | 26a5f13b | bellard | if (code_gen_buffer_size < MIN_CODE_GEN_BUFFER_SIZE)
|
418 | 26a5f13b | bellard | code_gen_buffer_size = MIN_CODE_GEN_BUFFER_SIZE; |
419 | 26a5f13b | bellard | /* The code gen buffer location may have constraints depending on
|
420 | 26a5f13b | bellard | the host cpu and OS */
|
421 | 26a5f13b | bellard | #if defined(__linux__)
|
422 | 26a5f13b | bellard | { |
423 | 26a5f13b | bellard | int flags;
|
424 | 141ac468 | blueswir1 | void *start = NULL; |
425 | 141ac468 | blueswir1 | |
426 | 26a5f13b | bellard | flags = MAP_PRIVATE | MAP_ANONYMOUS; |
427 | 26a5f13b | bellard | #if defined(__x86_64__)
|
428 | 26a5f13b | bellard | flags |= MAP_32BIT; |
429 | 26a5f13b | bellard | /* Cannot map more than that */
|
430 | 26a5f13b | bellard | if (code_gen_buffer_size > (800 * 1024 * 1024)) |
431 | 26a5f13b | bellard | code_gen_buffer_size = (800 * 1024 * 1024); |
432 | 141ac468 | blueswir1 | #elif defined(__sparc_v9__)
|
433 | 141ac468 | blueswir1 | // Map the buffer below 2G, so we can use direct calls and branches
|
434 | 141ac468 | blueswir1 | flags |= MAP_FIXED; |
435 | 141ac468 | blueswir1 | start = (void *) 0x60000000UL; |
436 | 141ac468 | blueswir1 | if (code_gen_buffer_size > (512 * 1024 * 1024)) |
437 | 141ac468 | blueswir1 | code_gen_buffer_size = (512 * 1024 * 1024); |
438 | 1cb0661e | balrog | #elif defined(__arm__)
|
439 | 63d41246 | balrog | /* Map the buffer below 32M, so we can use direct calls and branches */
|
440 | 1cb0661e | balrog | flags |= MAP_FIXED; |
441 | 1cb0661e | balrog | start = (void *) 0x01000000UL; |
442 | 1cb0661e | balrog | if (code_gen_buffer_size > 16 * 1024 * 1024) |
443 | 1cb0661e | balrog | code_gen_buffer_size = 16 * 1024 * 1024; |
444 | 26a5f13b | bellard | #endif
|
445 | 141ac468 | blueswir1 | code_gen_buffer = mmap(start, code_gen_buffer_size, |
446 | 141ac468 | blueswir1 | PROT_WRITE | PROT_READ | PROT_EXEC, |
447 | 26a5f13b | bellard | flags, -1, 0); |
448 | 26a5f13b | bellard | if (code_gen_buffer == MAP_FAILED) {
|
449 | 26a5f13b | bellard | fprintf(stderr, "Could not allocate dynamic translator buffer\n");
|
450 | 26a5f13b | bellard | exit(1);
|
451 | 26a5f13b | bellard | } |
452 | 26a5f13b | bellard | } |
453 | c5e97233 | blueswir1 | #elif defined(__FreeBSD__) || defined(__DragonFly__)
|
454 | 06e67a82 | aliguori | { |
455 | 06e67a82 | aliguori | int flags;
|
456 | 06e67a82 | aliguori | void *addr = NULL; |
457 | 06e67a82 | aliguori | flags = MAP_PRIVATE | MAP_ANONYMOUS; |
458 | 06e67a82 | aliguori | #if defined(__x86_64__)
|
459 | 06e67a82 | aliguori | /* FreeBSD doesn't have MAP_32BIT, use MAP_FIXED and assume
|
460 | 06e67a82 | aliguori | * 0x40000000 is free */
|
461 | 06e67a82 | aliguori | flags |= MAP_FIXED; |
462 | 06e67a82 | aliguori | addr = (void *)0x40000000; |
463 | 06e67a82 | aliguori | /* Cannot map more than that */
|
464 | 06e67a82 | aliguori | if (code_gen_buffer_size > (800 * 1024 * 1024)) |
465 | 06e67a82 | aliguori | code_gen_buffer_size = (800 * 1024 * 1024); |
466 | 06e67a82 | aliguori | #endif
|
467 | 06e67a82 | aliguori | code_gen_buffer = mmap(addr, code_gen_buffer_size, |
468 | 06e67a82 | aliguori | PROT_WRITE | PROT_READ | PROT_EXEC, |
469 | 06e67a82 | aliguori | flags, -1, 0); |
470 | 06e67a82 | aliguori | if (code_gen_buffer == MAP_FAILED) {
|
471 | 06e67a82 | aliguori | fprintf(stderr, "Could not allocate dynamic translator buffer\n");
|
472 | 06e67a82 | aliguori | exit(1);
|
473 | 06e67a82 | aliguori | } |
474 | 06e67a82 | aliguori | } |
475 | 26a5f13b | bellard | #else
|
476 | 26a5f13b | bellard | code_gen_buffer = qemu_malloc(code_gen_buffer_size); |
477 | 26a5f13b | bellard | map_exec(code_gen_buffer, code_gen_buffer_size); |
478 | 26a5f13b | bellard | #endif
|
479 | 4369415f | bellard | #endif /* !USE_STATIC_CODE_GEN_BUFFER */ |
480 | 26a5f13b | bellard | map_exec(code_gen_prologue, sizeof(code_gen_prologue));
|
481 | 26a5f13b | bellard | code_gen_buffer_max_size = code_gen_buffer_size - |
482 | 26a5f13b | bellard | code_gen_max_block_size(); |
483 | 26a5f13b | bellard | code_gen_max_blocks = code_gen_buffer_size / CODE_GEN_AVG_BLOCK_SIZE; |
484 | 26a5f13b | bellard | tbs = qemu_malloc(code_gen_max_blocks * sizeof(TranslationBlock));
|
485 | 26a5f13b | bellard | } |
486 | 26a5f13b | bellard | |
487 | 26a5f13b | bellard | /* Must be called before using the QEMU cpus. 'tb_size' is the size
|
488 | 26a5f13b | bellard | (in bytes) allocated to the translation buffer. Zero means default
|
489 | 26a5f13b | bellard | size. */
|
490 | 26a5f13b | bellard | void cpu_exec_init_all(unsigned long tb_size) |
491 | 26a5f13b | bellard | { |
492 | 26a5f13b | bellard | cpu_gen_init(); |
493 | 26a5f13b | bellard | code_gen_alloc(tb_size); |
494 | 26a5f13b | bellard | code_gen_ptr = code_gen_buffer; |
495 | 4369415f | bellard | page_init(); |
496 | e2eef170 | pbrook | #if !defined(CONFIG_USER_ONLY)
|
497 | 26a5f13b | bellard | io_mem_init(); |
498 | e2eef170 | pbrook | #endif
|
499 | 26a5f13b | bellard | } |
500 | 26a5f13b | bellard | |
501 | 9656f324 | pbrook | #if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
|
502 | 9656f324 | pbrook | |
503 | 9656f324 | pbrook | #define CPU_COMMON_SAVE_VERSION 1 |
504 | 9656f324 | pbrook | |
505 | 9656f324 | pbrook | static void cpu_common_save(QEMUFile *f, void *opaque) |
506 | 9656f324 | pbrook | { |
507 | 9656f324 | pbrook | CPUState *env = opaque; |
508 | 9656f324 | pbrook | |
509 | 9656f324 | pbrook | qemu_put_be32s(f, &env->halted); |
510 | 9656f324 | pbrook | qemu_put_be32s(f, &env->interrupt_request); |
511 | 9656f324 | pbrook | } |
512 | 9656f324 | pbrook | |
513 | 9656f324 | pbrook | static int cpu_common_load(QEMUFile *f, void *opaque, int version_id) |
514 | 9656f324 | pbrook | { |
515 | 9656f324 | pbrook | CPUState *env = opaque; |
516 | 9656f324 | pbrook | |
517 | 9656f324 | pbrook | if (version_id != CPU_COMMON_SAVE_VERSION)
|
518 | 9656f324 | pbrook | return -EINVAL;
|
519 | 9656f324 | pbrook | |
520 | 9656f324 | pbrook | qemu_get_be32s(f, &env->halted); |
521 | 75f482ae | pbrook | qemu_get_be32s(f, &env->interrupt_request); |
522 | 3098dba0 | aurel32 | /* 0x01 was CPU_INTERRUPT_EXIT. This line can be removed when the
|
523 | 3098dba0 | aurel32 | version_id is increased. */
|
524 | 3098dba0 | aurel32 | env->interrupt_request &= ~0x01;
|
525 | 9656f324 | pbrook | tlb_flush(env, 1);
|
526 | 9656f324 | pbrook | |
527 | 9656f324 | pbrook | return 0; |
528 | 9656f324 | pbrook | } |
529 | 9656f324 | pbrook | #endif
|
530 | 9656f324 | pbrook | |
531 | 6a00d601 | bellard | void cpu_exec_init(CPUState *env)
|
532 | fd6ce8f6 | bellard | { |
533 | 6a00d601 | bellard | CPUState **penv; |
534 | 6a00d601 | bellard | int cpu_index;
|
535 | 6a00d601 | bellard | |
536 | c2764719 | pbrook | #if defined(CONFIG_USER_ONLY)
|
537 | c2764719 | pbrook | cpu_list_lock(); |
538 | c2764719 | pbrook | #endif
|
539 | 6a00d601 | bellard | env->next_cpu = NULL;
|
540 | 6a00d601 | bellard | penv = &first_cpu; |
541 | 6a00d601 | bellard | cpu_index = 0;
|
542 | 6a00d601 | bellard | while (*penv != NULL) { |
543 | 6a00d601 | bellard | penv = (CPUState **)&(*penv)->next_cpu; |
544 | 6a00d601 | bellard | cpu_index++; |
545 | 6a00d601 | bellard | } |
546 | 6a00d601 | bellard | env->cpu_index = cpu_index; |
547 | c0ce998e | aliguori | TAILQ_INIT(&env->breakpoints); |
548 | c0ce998e | aliguori | TAILQ_INIT(&env->watchpoints); |
549 | 6a00d601 | bellard | *penv = env; |
550 | c2764719 | pbrook | #if defined(CONFIG_USER_ONLY)
|
551 | c2764719 | pbrook | cpu_list_unlock(); |
552 | c2764719 | pbrook | #endif
|
553 | b3c7724c | pbrook | #if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
|
554 | 9656f324 | pbrook | register_savevm("cpu_common", cpu_index, CPU_COMMON_SAVE_VERSION,
|
555 | 9656f324 | pbrook | cpu_common_save, cpu_common_load, env); |
556 | b3c7724c | pbrook | register_savevm("cpu", cpu_index, CPU_SAVE_VERSION,
|
557 | b3c7724c | pbrook | cpu_save, cpu_load, env); |
558 | b3c7724c | pbrook | #endif
|
559 | fd6ce8f6 | bellard | } |
560 | fd6ce8f6 | bellard | |
561 | 9fa3e853 | bellard | static inline void invalidate_page_bitmap(PageDesc *p) |
562 | 9fa3e853 | bellard | { |
563 | 9fa3e853 | bellard | if (p->code_bitmap) {
|
564 | 59817ccb | bellard | qemu_free(p->code_bitmap); |
565 | 9fa3e853 | bellard | p->code_bitmap = NULL;
|
566 | 9fa3e853 | bellard | } |
567 | 9fa3e853 | bellard | p->code_write_count = 0;
|
568 | 9fa3e853 | bellard | } |
569 | 9fa3e853 | bellard | |
570 | fd6ce8f6 | bellard | /* set to NULL all the 'first_tb' fields in all PageDescs */
|
571 | fd6ce8f6 | bellard | static void page_flush_tb(void) |
572 | fd6ce8f6 | bellard | { |
573 | fd6ce8f6 | bellard | int i, j;
|
574 | fd6ce8f6 | bellard | PageDesc *p; |
575 | fd6ce8f6 | bellard | |
576 | fd6ce8f6 | bellard | for(i = 0; i < L1_SIZE; i++) { |
577 | fd6ce8f6 | bellard | p = l1_map[i]; |
578 | fd6ce8f6 | bellard | if (p) {
|
579 | 9fa3e853 | bellard | for(j = 0; j < L2_SIZE; j++) { |
580 | 9fa3e853 | bellard | p->first_tb = NULL;
|
581 | 9fa3e853 | bellard | invalidate_page_bitmap(p); |
582 | 9fa3e853 | bellard | p++; |
583 | 9fa3e853 | bellard | } |
584 | fd6ce8f6 | bellard | } |
585 | fd6ce8f6 | bellard | } |
586 | fd6ce8f6 | bellard | } |
587 | fd6ce8f6 | bellard | |
588 | fd6ce8f6 | bellard | /* flush all the translation blocks */
|
589 | d4e8164f | bellard | /* XXX: tb_flush is currently not thread safe */
|
590 | 6a00d601 | bellard | void tb_flush(CPUState *env1)
|
591 | fd6ce8f6 | bellard | { |
592 | 6a00d601 | bellard | CPUState *env; |
593 | 0124311e | bellard | #if defined(DEBUG_FLUSH)
|
594 | ab3d1727 | blueswir1 | printf("qemu: flush code_size=%ld nb_tbs=%d avg_tb_size=%ld\n",
|
595 | ab3d1727 | blueswir1 | (unsigned long)(code_gen_ptr - code_gen_buffer), |
596 | ab3d1727 | blueswir1 | nb_tbs, nb_tbs > 0 ?
|
597 | ab3d1727 | blueswir1 | ((unsigned long)(code_gen_ptr - code_gen_buffer)) / nb_tbs : 0); |
598 | fd6ce8f6 | bellard | #endif
|
599 | 26a5f13b | bellard | if ((unsigned long)(code_gen_ptr - code_gen_buffer) > code_gen_buffer_size) |
600 | a208e54a | pbrook | cpu_abort(env1, "Internal error: code buffer overflow\n");
|
601 | a208e54a | pbrook | |
602 | fd6ce8f6 | bellard | nb_tbs = 0;
|
603 | 3b46e624 | ths | |
604 | 6a00d601 | bellard | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
605 | 6a00d601 | bellard | memset (env->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof (void *)); |
606 | 6a00d601 | bellard | } |
607 | 9fa3e853 | bellard | |
608 | 8a8a608f | bellard | memset (tb_phys_hash, 0, CODE_GEN_PHYS_HASH_SIZE * sizeof (void *)); |
609 | fd6ce8f6 | bellard | page_flush_tb(); |
610 | 9fa3e853 | bellard | |
611 | fd6ce8f6 | bellard | code_gen_ptr = code_gen_buffer; |
612 | d4e8164f | bellard | /* XXX: flush processor icache at this point if cache flush is
|
613 | d4e8164f | bellard | expensive */
|
614 | e3db7226 | bellard | tb_flush_count++; |
615 | fd6ce8f6 | bellard | } |
616 | fd6ce8f6 | bellard | |
617 | fd6ce8f6 | bellard | #ifdef DEBUG_TB_CHECK
|
618 | fd6ce8f6 | bellard | |
619 | bc98a7ef | j_mayer | static void tb_invalidate_check(target_ulong address) |
620 | fd6ce8f6 | bellard | { |
621 | fd6ce8f6 | bellard | TranslationBlock *tb; |
622 | fd6ce8f6 | bellard | int i;
|
623 | fd6ce8f6 | bellard | address &= TARGET_PAGE_MASK; |
624 | 99773bd4 | pbrook | for(i = 0;i < CODE_GEN_PHYS_HASH_SIZE; i++) { |
625 | 99773bd4 | pbrook | for(tb = tb_phys_hash[i]; tb != NULL; tb = tb->phys_hash_next) { |
626 | fd6ce8f6 | bellard | if (!(address + TARGET_PAGE_SIZE <= tb->pc ||
|
627 | fd6ce8f6 | bellard | address >= tb->pc + tb->size)) { |
628 | fd6ce8f6 | bellard | printf("ERROR invalidate: address=%08lx PC=%08lx size=%04x\n",
|
629 | 99773bd4 | pbrook | address, (long)tb->pc, tb->size);
|
630 | fd6ce8f6 | bellard | } |
631 | fd6ce8f6 | bellard | } |
632 | fd6ce8f6 | bellard | } |
633 | fd6ce8f6 | bellard | } |
634 | fd6ce8f6 | bellard | |
635 | fd6ce8f6 | bellard | /* verify that all the pages have correct rights for code */
|
636 | fd6ce8f6 | bellard | static void tb_page_check(void) |
637 | fd6ce8f6 | bellard | { |
638 | fd6ce8f6 | bellard | TranslationBlock *tb; |
639 | fd6ce8f6 | bellard | int i, flags1, flags2;
|
640 | 3b46e624 | ths | |
641 | 99773bd4 | pbrook | for(i = 0;i < CODE_GEN_PHYS_HASH_SIZE; i++) { |
642 | 99773bd4 | pbrook | for(tb = tb_phys_hash[i]; tb != NULL; tb = tb->phys_hash_next) { |
643 | fd6ce8f6 | bellard | flags1 = page_get_flags(tb->pc); |
644 | fd6ce8f6 | bellard | flags2 = page_get_flags(tb->pc + tb->size - 1);
|
645 | fd6ce8f6 | bellard | if ((flags1 & PAGE_WRITE) || (flags2 & PAGE_WRITE)) {
|
646 | fd6ce8f6 | bellard | printf("ERROR page flags: PC=%08lx size=%04x f1=%x f2=%x\n",
|
647 | 99773bd4 | pbrook | (long)tb->pc, tb->size, flags1, flags2);
|
648 | fd6ce8f6 | bellard | } |
649 | fd6ce8f6 | bellard | } |
650 | fd6ce8f6 | bellard | } |
651 | fd6ce8f6 | bellard | } |
652 | fd6ce8f6 | bellard | |
653 | bdaf78e0 | blueswir1 | static void tb_jmp_check(TranslationBlock *tb) |
654 | d4e8164f | bellard | { |
655 | d4e8164f | bellard | TranslationBlock *tb1; |
656 | d4e8164f | bellard | unsigned int n1; |
657 | d4e8164f | bellard | |
658 | d4e8164f | bellard | /* suppress any remaining jumps to this TB */
|
659 | d4e8164f | bellard | tb1 = tb->jmp_first; |
660 | d4e8164f | bellard | for(;;) {
|
661 | d4e8164f | bellard | n1 = (long)tb1 & 3; |
662 | d4e8164f | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
663 | d4e8164f | bellard | if (n1 == 2) |
664 | d4e8164f | bellard | break;
|
665 | d4e8164f | bellard | tb1 = tb1->jmp_next[n1]; |
666 | d4e8164f | bellard | } |
667 | d4e8164f | bellard | /* check end of list */
|
668 | d4e8164f | bellard | if (tb1 != tb) {
|
669 | d4e8164f | bellard | printf("ERROR: jmp_list from 0x%08lx\n", (long)tb); |
670 | d4e8164f | bellard | } |
671 | d4e8164f | bellard | } |
672 | d4e8164f | bellard | |
673 | fd6ce8f6 | bellard | #endif
|
674 | fd6ce8f6 | bellard | |
675 | fd6ce8f6 | bellard | /* invalidate one TB */
|
676 | fd6ce8f6 | bellard | static inline void tb_remove(TranslationBlock **ptb, TranslationBlock *tb, |
677 | fd6ce8f6 | bellard | int next_offset)
|
678 | fd6ce8f6 | bellard | { |
679 | fd6ce8f6 | bellard | TranslationBlock *tb1; |
680 | fd6ce8f6 | bellard | for(;;) {
|
681 | fd6ce8f6 | bellard | tb1 = *ptb; |
682 | fd6ce8f6 | bellard | if (tb1 == tb) {
|
683 | fd6ce8f6 | bellard | *ptb = *(TranslationBlock **)((char *)tb1 + next_offset);
|
684 | fd6ce8f6 | bellard | break;
|
685 | fd6ce8f6 | bellard | } |
686 | fd6ce8f6 | bellard | ptb = (TranslationBlock **)((char *)tb1 + next_offset);
|
687 | fd6ce8f6 | bellard | } |
688 | fd6ce8f6 | bellard | } |
689 | fd6ce8f6 | bellard | |
690 | 9fa3e853 | bellard | static inline void tb_page_remove(TranslationBlock **ptb, TranslationBlock *tb) |
691 | 9fa3e853 | bellard | { |
692 | 9fa3e853 | bellard | TranslationBlock *tb1; |
693 | 9fa3e853 | bellard | unsigned int n1; |
694 | 9fa3e853 | bellard | |
695 | 9fa3e853 | bellard | for(;;) {
|
696 | 9fa3e853 | bellard | tb1 = *ptb; |
697 | 9fa3e853 | bellard | n1 = (long)tb1 & 3; |
698 | 9fa3e853 | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
699 | 9fa3e853 | bellard | if (tb1 == tb) {
|
700 | 9fa3e853 | bellard | *ptb = tb1->page_next[n1]; |
701 | 9fa3e853 | bellard | break;
|
702 | 9fa3e853 | bellard | } |
703 | 9fa3e853 | bellard | ptb = &tb1->page_next[n1]; |
704 | 9fa3e853 | bellard | } |
705 | 9fa3e853 | bellard | } |
706 | 9fa3e853 | bellard | |
707 | d4e8164f | bellard | static inline void tb_jmp_remove(TranslationBlock *tb, int n) |
708 | d4e8164f | bellard | { |
709 | d4e8164f | bellard | TranslationBlock *tb1, **ptb; |
710 | d4e8164f | bellard | unsigned int n1; |
711 | d4e8164f | bellard | |
712 | d4e8164f | bellard | ptb = &tb->jmp_next[n]; |
713 | d4e8164f | bellard | tb1 = *ptb; |
714 | d4e8164f | bellard | if (tb1) {
|
715 | d4e8164f | bellard | /* find tb(n) in circular list */
|
716 | d4e8164f | bellard | for(;;) {
|
717 | d4e8164f | bellard | tb1 = *ptb; |
718 | d4e8164f | bellard | n1 = (long)tb1 & 3; |
719 | d4e8164f | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
720 | d4e8164f | bellard | if (n1 == n && tb1 == tb)
|
721 | d4e8164f | bellard | break;
|
722 | d4e8164f | bellard | if (n1 == 2) { |
723 | d4e8164f | bellard | ptb = &tb1->jmp_first; |
724 | d4e8164f | bellard | } else {
|
725 | d4e8164f | bellard | ptb = &tb1->jmp_next[n1]; |
726 | d4e8164f | bellard | } |
727 | d4e8164f | bellard | } |
728 | d4e8164f | bellard | /* now we can suppress tb(n) from the list */
|
729 | d4e8164f | bellard | *ptb = tb->jmp_next[n]; |
730 | d4e8164f | bellard | |
731 | d4e8164f | bellard | tb->jmp_next[n] = NULL;
|
732 | d4e8164f | bellard | } |
733 | d4e8164f | bellard | } |
734 | d4e8164f | bellard | |
735 | d4e8164f | bellard | /* reset the jump entry 'n' of a TB so that it is not chained to
|
736 | d4e8164f | bellard | another TB */
|
737 | d4e8164f | bellard | static inline void tb_reset_jump(TranslationBlock *tb, int n) |
738 | d4e8164f | bellard | { |
739 | d4e8164f | bellard | tb_set_jmp_target(tb, n, (unsigned long)(tb->tc_ptr + tb->tb_next_offset[n])); |
740 | d4e8164f | bellard | } |
741 | d4e8164f | bellard | |
742 | 2e70f6ef | pbrook | void tb_phys_invalidate(TranslationBlock *tb, target_ulong page_addr)
|
743 | fd6ce8f6 | bellard | { |
744 | 6a00d601 | bellard | CPUState *env; |
745 | 8a40a180 | bellard | PageDesc *p; |
746 | d4e8164f | bellard | unsigned int h, n1; |
747 | 00f82b8a | aurel32 | target_phys_addr_t phys_pc; |
748 | 8a40a180 | bellard | TranslationBlock *tb1, *tb2; |
749 | 3b46e624 | ths | |
750 | 8a40a180 | bellard | /* remove the TB from the hash list */
|
751 | 8a40a180 | bellard | phys_pc = tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK);
|
752 | 8a40a180 | bellard | h = tb_phys_hash_func(phys_pc); |
753 | 5fafdf24 | ths | tb_remove(&tb_phys_hash[h], tb, |
754 | 8a40a180 | bellard | offsetof(TranslationBlock, phys_hash_next)); |
755 | 8a40a180 | bellard | |
756 | 8a40a180 | bellard | /* remove the TB from the page list */
|
757 | 8a40a180 | bellard | if (tb->page_addr[0] != page_addr) { |
758 | 8a40a180 | bellard | p = page_find(tb->page_addr[0] >> TARGET_PAGE_BITS);
|
759 | 8a40a180 | bellard | tb_page_remove(&p->first_tb, tb); |
760 | 8a40a180 | bellard | invalidate_page_bitmap(p); |
761 | 8a40a180 | bellard | } |
762 | 8a40a180 | bellard | if (tb->page_addr[1] != -1 && tb->page_addr[1] != page_addr) { |
763 | 8a40a180 | bellard | p = page_find(tb->page_addr[1] >> TARGET_PAGE_BITS);
|
764 | 8a40a180 | bellard | tb_page_remove(&p->first_tb, tb); |
765 | 8a40a180 | bellard | invalidate_page_bitmap(p); |
766 | 8a40a180 | bellard | } |
767 | 8a40a180 | bellard | |
768 | 36bdbe54 | bellard | tb_invalidated_flag = 1;
|
769 | 59817ccb | bellard | |
770 | fd6ce8f6 | bellard | /* remove the TB from the hash list */
|
771 | 8a40a180 | bellard | h = tb_jmp_cache_hash_func(tb->pc); |
772 | 6a00d601 | bellard | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
773 | 6a00d601 | bellard | if (env->tb_jmp_cache[h] == tb)
|
774 | 6a00d601 | bellard | env->tb_jmp_cache[h] = NULL;
|
775 | 6a00d601 | bellard | } |
776 | d4e8164f | bellard | |
777 | d4e8164f | bellard | /* suppress this TB from the two jump lists */
|
778 | d4e8164f | bellard | tb_jmp_remove(tb, 0);
|
779 | d4e8164f | bellard | tb_jmp_remove(tb, 1);
|
780 | d4e8164f | bellard | |
781 | d4e8164f | bellard | /* suppress any remaining jumps to this TB */
|
782 | d4e8164f | bellard | tb1 = tb->jmp_first; |
783 | d4e8164f | bellard | for(;;) {
|
784 | d4e8164f | bellard | n1 = (long)tb1 & 3; |
785 | d4e8164f | bellard | if (n1 == 2) |
786 | d4e8164f | bellard | break;
|
787 | d4e8164f | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
788 | d4e8164f | bellard | tb2 = tb1->jmp_next[n1]; |
789 | d4e8164f | bellard | tb_reset_jump(tb1, n1); |
790 | d4e8164f | bellard | tb1->jmp_next[n1] = NULL;
|
791 | d4e8164f | bellard | tb1 = tb2; |
792 | d4e8164f | bellard | } |
793 | d4e8164f | bellard | tb->jmp_first = (TranslationBlock *)((long)tb | 2); /* fail safe */ |
794 | 9fa3e853 | bellard | |
795 | e3db7226 | bellard | tb_phys_invalidate_count++; |
796 | 9fa3e853 | bellard | } |
797 | 9fa3e853 | bellard | |
798 | 9fa3e853 | bellard | static inline void set_bits(uint8_t *tab, int start, int len) |
799 | 9fa3e853 | bellard | { |
800 | 9fa3e853 | bellard | int end, mask, end1;
|
801 | 9fa3e853 | bellard | |
802 | 9fa3e853 | bellard | end = start + len; |
803 | 9fa3e853 | bellard | tab += start >> 3;
|
804 | 9fa3e853 | bellard | mask = 0xff << (start & 7); |
805 | 9fa3e853 | bellard | if ((start & ~7) == (end & ~7)) { |
806 | 9fa3e853 | bellard | if (start < end) {
|
807 | 9fa3e853 | bellard | mask &= ~(0xff << (end & 7)); |
808 | 9fa3e853 | bellard | *tab |= mask; |
809 | 9fa3e853 | bellard | } |
810 | 9fa3e853 | bellard | } else {
|
811 | 9fa3e853 | bellard | *tab++ |= mask; |
812 | 9fa3e853 | bellard | start = (start + 8) & ~7; |
813 | 9fa3e853 | bellard | end1 = end & ~7;
|
814 | 9fa3e853 | bellard | while (start < end1) {
|
815 | 9fa3e853 | bellard | *tab++ = 0xff;
|
816 | 9fa3e853 | bellard | start += 8;
|
817 | 9fa3e853 | bellard | } |
818 | 9fa3e853 | bellard | if (start < end) {
|
819 | 9fa3e853 | bellard | mask = ~(0xff << (end & 7)); |
820 | 9fa3e853 | bellard | *tab |= mask; |
821 | 9fa3e853 | bellard | } |
822 | 9fa3e853 | bellard | } |
823 | 9fa3e853 | bellard | } |
824 | 9fa3e853 | bellard | |
825 | 9fa3e853 | bellard | static void build_page_bitmap(PageDesc *p) |
826 | 9fa3e853 | bellard | { |
827 | 9fa3e853 | bellard | int n, tb_start, tb_end;
|
828 | 9fa3e853 | bellard | TranslationBlock *tb; |
829 | 3b46e624 | ths | |
830 | b2a7081a | pbrook | p->code_bitmap = qemu_mallocz(TARGET_PAGE_SIZE / 8);
|
831 | 9fa3e853 | bellard | |
832 | 9fa3e853 | bellard | tb = p->first_tb; |
833 | 9fa3e853 | bellard | while (tb != NULL) { |
834 | 9fa3e853 | bellard | n = (long)tb & 3; |
835 | 9fa3e853 | bellard | tb = (TranslationBlock *)((long)tb & ~3); |
836 | 9fa3e853 | bellard | /* NOTE: this is subtle as a TB may span two physical pages */
|
837 | 9fa3e853 | bellard | if (n == 0) { |
838 | 9fa3e853 | bellard | /* NOTE: tb_end may be after the end of the page, but
|
839 | 9fa3e853 | bellard | it is not a problem */
|
840 | 9fa3e853 | bellard | tb_start = tb->pc & ~TARGET_PAGE_MASK; |
841 | 9fa3e853 | bellard | tb_end = tb_start + tb->size; |
842 | 9fa3e853 | bellard | if (tb_end > TARGET_PAGE_SIZE)
|
843 | 9fa3e853 | bellard | tb_end = TARGET_PAGE_SIZE; |
844 | 9fa3e853 | bellard | } else {
|
845 | 9fa3e853 | bellard | tb_start = 0;
|
846 | 9fa3e853 | bellard | tb_end = ((tb->pc + tb->size) & ~TARGET_PAGE_MASK); |
847 | 9fa3e853 | bellard | } |
848 | 9fa3e853 | bellard | set_bits(p->code_bitmap, tb_start, tb_end - tb_start); |
849 | 9fa3e853 | bellard | tb = tb->page_next[n]; |
850 | 9fa3e853 | bellard | } |
851 | 9fa3e853 | bellard | } |
852 | 9fa3e853 | bellard | |
853 | 2e70f6ef | pbrook | TranslationBlock *tb_gen_code(CPUState *env, |
854 | 2e70f6ef | pbrook | target_ulong pc, target_ulong cs_base, |
855 | 2e70f6ef | pbrook | int flags, int cflags) |
856 | d720b93d | bellard | { |
857 | d720b93d | bellard | TranslationBlock *tb; |
858 | d720b93d | bellard | uint8_t *tc_ptr; |
859 | d720b93d | bellard | target_ulong phys_pc, phys_page2, virt_page2; |
860 | d720b93d | bellard | int code_gen_size;
|
861 | d720b93d | bellard | |
862 | c27004ec | bellard | phys_pc = get_phys_addr_code(env, pc); |
863 | c27004ec | bellard | tb = tb_alloc(pc); |
864 | d720b93d | bellard | if (!tb) {
|
865 | d720b93d | bellard | /* flush must be done */
|
866 | d720b93d | bellard | tb_flush(env); |
867 | d720b93d | bellard | /* cannot fail at this point */
|
868 | c27004ec | bellard | tb = tb_alloc(pc); |
869 | 2e70f6ef | pbrook | /* Don't forget to invalidate previous TB info. */
|
870 | 2e70f6ef | pbrook | tb_invalidated_flag = 1;
|
871 | d720b93d | bellard | } |
872 | d720b93d | bellard | tc_ptr = code_gen_ptr; |
873 | d720b93d | bellard | tb->tc_ptr = tc_ptr; |
874 | d720b93d | bellard | tb->cs_base = cs_base; |
875 | d720b93d | bellard | tb->flags = flags; |
876 | d720b93d | bellard | tb->cflags = cflags; |
877 | d07bde88 | blueswir1 | cpu_gen_code(env, tb, &code_gen_size); |
878 | d720b93d | bellard | code_gen_ptr = (void *)(((unsigned long)code_gen_ptr + code_gen_size + CODE_GEN_ALIGN - 1) & ~(CODE_GEN_ALIGN - 1)); |
879 | 3b46e624 | ths | |
880 | d720b93d | bellard | /* check next page if needed */
|
881 | c27004ec | bellard | virt_page2 = (pc + tb->size - 1) & TARGET_PAGE_MASK;
|
882 | d720b93d | bellard | phys_page2 = -1;
|
883 | c27004ec | bellard | if ((pc & TARGET_PAGE_MASK) != virt_page2) {
|
884 | d720b93d | bellard | phys_page2 = get_phys_addr_code(env, virt_page2); |
885 | d720b93d | bellard | } |
886 | d720b93d | bellard | tb_link_phys(tb, phys_pc, phys_page2); |
887 | 2e70f6ef | pbrook | return tb;
|
888 | d720b93d | bellard | } |
889 | 3b46e624 | ths | |
890 | 9fa3e853 | bellard | /* invalidate all TBs which intersect with the target physical page
|
891 | 9fa3e853 | bellard | starting in range [start;end[. NOTE: start and end must refer to
|
892 | d720b93d | bellard | the same physical page. 'is_cpu_write_access' should be true if called
|
893 | d720b93d | bellard | from a real cpu write access: the virtual CPU will exit the current
|
894 | d720b93d | bellard | TB if code is modified inside this TB. */
|
895 | 00f82b8a | aurel32 | void tb_invalidate_phys_page_range(target_phys_addr_t start, target_phys_addr_t end,
|
896 | d720b93d | bellard | int is_cpu_write_access)
|
897 | d720b93d | bellard | { |
898 | 6b917547 | aliguori | TranslationBlock *tb, *tb_next, *saved_tb; |
899 | d720b93d | bellard | CPUState *env = cpu_single_env; |
900 | 9fa3e853 | bellard | target_ulong tb_start, tb_end; |
901 | 6b917547 | aliguori | PageDesc *p; |
902 | 6b917547 | aliguori | int n;
|
903 | 6b917547 | aliguori | #ifdef TARGET_HAS_PRECISE_SMC
|
904 | 6b917547 | aliguori | int current_tb_not_found = is_cpu_write_access;
|
905 | 6b917547 | aliguori | TranslationBlock *current_tb = NULL;
|
906 | 6b917547 | aliguori | int current_tb_modified = 0; |
907 | 6b917547 | aliguori | target_ulong current_pc = 0;
|
908 | 6b917547 | aliguori | target_ulong current_cs_base = 0;
|
909 | 6b917547 | aliguori | int current_flags = 0; |
910 | 6b917547 | aliguori | #endif /* TARGET_HAS_PRECISE_SMC */ |
911 | 9fa3e853 | bellard | |
912 | 9fa3e853 | bellard | p = page_find(start >> TARGET_PAGE_BITS); |
913 | 5fafdf24 | ths | if (!p)
|
914 | 9fa3e853 | bellard | return;
|
915 | 5fafdf24 | ths | if (!p->code_bitmap &&
|
916 | d720b93d | bellard | ++p->code_write_count >= SMC_BITMAP_USE_THRESHOLD && |
917 | d720b93d | bellard | is_cpu_write_access) { |
918 | 9fa3e853 | bellard | /* build code bitmap */
|
919 | 9fa3e853 | bellard | build_page_bitmap(p); |
920 | 9fa3e853 | bellard | } |
921 | 9fa3e853 | bellard | |
922 | 9fa3e853 | bellard | /* we remove all the TBs in the range [start, end[ */
|
923 | 9fa3e853 | bellard | /* XXX: see if in some cases it could be faster to invalidate all the code */
|
924 | 9fa3e853 | bellard | tb = p->first_tb; |
925 | 9fa3e853 | bellard | while (tb != NULL) { |
926 | 9fa3e853 | bellard | n = (long)tb & 3; |
927 | 9fa3e853 | bellard | tb = (TranslationBlock *)((long)tb & ~3); |
928 | 9fa3e853 | bellard | tb_next = tb->page_next[n]; |
929 | 9fa3e853 | bellard | /* NOTE: this is subtle as a TB may span two physical pages */
|
930 | 9fa3e853 | bellard | if (n == 0) { |
931 | 9fa3e853 | bellard | /* NOTE: tb_end may be after the end of the page, but
|
932 | 9fa3e853 | bellard | it is not a problem */
|
933 | 9fa3e853 | bellard | tb_start = tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK);
|
934 | 9fa3e853 | bellard | tb_end = tb_start + tb->size; |
935 | 9fa3e853 | bellard | } else {
|
936 | 9fa3e853 | bellard | tb_start = tb->page_addr[1];
|
937 | 9fa3e853 | bellard | tb_end = tb_start + ((tb->pc + tb->size) & ~TARGET_PAGE_MASK); |
938 | 9fa3e853 | bellard | } |
939 | 9fa3e853 | bellard | if (!(tb_end <= start || tb_start >= end)) {
|
940 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
941 | d720b93d | bellard | if (current_tb_not_found) {
|
942 | d720b93d | bellard | current_tb_not_found = 0;
|
943 | d720b93d | bellard | current_tb = NULL;
|
944 | 2e70f6ef | pbrook | if (env->mem_io_pc) {
|
945 | d720b93d | bellard | /* now we have a real cpu fault */
|
946 | 2e70f6ef | pbrook | current_tb = tb_find_pc(env->mem_io_pc); |
947 | d720b93d | bellard | } |
948 | d720b93d | bellard | } |
949 | d720b93d | bellard | if (current_tb == tb &&
|
950 | 2e70f6ef | pbrook | (current_tb->cflags & CF_COUNT_MASK) != 1) {
|
951 | d720b93d | bellard | /* If we are modifying the current TB, we must stop
|
952 | d720b93d | bellard | its execution. We could be more precise by checking
|
953 | d720b93d | bellard | that the modification is after the current PC, but it
|
954 | d720b93d | bellard | would require a specialized function to partially
|
955 | d720b93d | bellard | restore the CPU state */
|
956 | 3b46e624 | ths | |
957 | d720b93d | bellard | current_tb_modified = 1;
|
958 | 5fafdf24 | ths | cpu_restore_state(current_tb, env, |
959 | 2e70f6ef | pbrook | env->mem_io_pc, NULL);
|
960 | 6b917547 | aliguori | cpu_get_tb_cpu_state(env, ¤t_pc, ¤t_cs_base, |
961 | 6b917547 | aliguori | ¤t_flags); |
962 | d720b93d | bellard | } |
963 | d720b93d | bellard | #endif /* TARGET_HAS_PRECISE_SMC */ |
964 | 6f5a9f7e | bellard | /* we need to do that to handle the case where a signal
|
965 | 6f5a9f7e | bellard | occurs while doing tb_phys_invalidate() */
|
966 | 6f5a9f7e | bellard | saved_tb = NULL;
|
967 | 6f5a9f7e | bellard | if (env) {
|
968 | 6f5a9f7e | bellard | saved_tb = env->current_tb; |
969 | 6f5a9f7e | bellard | env->current_tb = NULL;
|
970 | 6f5a9f7e | bellard | } |
971 | 9fa3e853 | bellard | tb_phys_invalidate(tb, -1);
|
972 | 6f5a9f7e | bellard | if (env) {
|
973 | 6f5a9f7e | bellard | env->current_tb = saved_tb; |
974 | 6f5a9f7e | bellard | if (env->interrupt_request && env->current_tb)
|
975 | 6f5a9f7e | bellard | cpu_interrupt(env, env->interrupt_request); |
976 | 6f5a9f7e | bellard | } |
977 | 9fa3e853 | bellard | } |
978 | 9fa3e853 | bellard | tb = tb_next; |
979 | 9fa3e853 | bellard | } |
980 | 9fa3e853 | bellard | #if !defined(CONFIG_USER_ONLY)
|
981 | 9fa3e853 | bellard | /* if no code remaining, no need to continue to use slow writes */
|
982 | 9fa3e853 | bellard | if (!p->first_tb) {
|
983 | 9fa3e853 | bellard | invalidate_page_bitmap(p); |
984 | d720b93d | bellard | if (is_cpu_write_access) {
|
985 | 2e70f6ef | pbrook | tlb_unprotect_code_phys(env, start, env->mem_io_vaddr); |
986 | d720b93d | bellard | } |
987 | d720b93d | bellard | } |
988 | d720b93d | bellard | #endif
|
989 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
990 | d720b93d | bellard | if (current_tb_modified) {
|
991 | d720b93d | bellard | /* we generate a block containing just the instruction
|
992 | d720b93d | bellard | modifying the memory. It will ensure that it cannot modify
|
993 | d720b93d | bellard | itself */
|
994 | ea1c1802 | bellard | env->current_tb = NULL;
|
995 | 2e70f6ef | pbrook | tb_gen_code(env, current_pc, current_cs_base, current_flags, 1);
|
996 | d720b93d | bellard | cpu_resume_from_signal(env, NULL);
|
997 | 9fa3e853 | bellard | } |
998 | fd6ce8f6 | bellard | #endif
|
999 | 9fa3e853 | bellard | } |
1000 | fd6ce8f6 | bellard | |
1001 | 9fa3e853 | bellard | /* len must be <= 8 and start must be a multiple of len */
|
1002 | 00f82b8a | aurel32 | static inline void tb_invalidate_phys_page_fast(target_phys_addr_t start, int len) |
1003 | 9fa3e853 | bellard | { |
1004 | 9fa3e853 | bellard | PageDesc *p; |
1005 | 9fa3e853 | bellard | int offset, b;
|
1006 | 59817ccb | bellard | #if 0
|
1007 | a4193c8a | bellard | if (1) {
|
1008 | 93fcfe39 | aliguori | qemu_log("modifying code at 0x%x size=%d EIP=%x PC=%08x\n",
|
1009 | 93fcfe39 | aliguori | cpu_single_env->mem_io_vaddr, len,
|
1010 | 93fcfe39 | aliguori | cpu_single_env->eip,
|
1011 | 93fcfe39 | aliguori | cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base);
|
1012 | 59817ccb | bellard | }
|
1013 | 59817ccb | bellard | #endif
|
1014 | 9fa3e853 | bellard | p = page_find(start >> TARGET_PAGE_BITS); |
1015 | 5fafdf24 | ths | if (!p)
|
1016 | 9fa3e853 | bellard | return;
|
1017 | 9fa3e853 | bellard | if (p->code_bitmap) {
|
1018 | 9fa3e853 | bellard | offset = start & ~TARGET_PAGE_MASK; |
1019 | 9fa3e853 | bellard | b = p->code_bitmap[offset >> 3] >> (offset & 7); |
1020 | 9fa3e853 | bellard | if (b & ((1 << len) - 1)) |
1021 | 9fa3e853 | bellard | goto do_invalidate;
|
1022 | 9fa3e853 | bellard | } else {
|
1023 | 9fa3e853 | bellard | do_invalidate:
|
1024 | d720b93d | bellard | tb_invalidate_phys_page_range(start, start + len, 1);
|
1025 | 9fa3e853 | bellard | } |
1026 | 9fa3e853 | bellard | } |
1027 | 9fa3e853 | bellard | |
1028 | 9fa3e853 | bellard | #if !defined(CONFIG_SOFTMMU)
|
1029 | 00f82b8a | aurel32 | static void tb_invalidate_phys_page(target_phys_addr_t addr, |
1030 | d720b93d | bellard | unsigned long pc, void *puc) |
1031 | 9fa3e853 | bellard | { |
1032 | 6b917547 | aliguori | TranslationBlock *tb; |
1033 | 9fa3e853 | bellard | PageDesc *p; |
1034 | 6b917547 | aliguori | int n;
|
1035 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
1036 | 6b917547 | aliguori | TranslationBlock *current_tb = NULL;
|
1037 | d720b93d | bellard | CPUState *env = cpu_single_env; |
1038 | 6b917547 | aliguori | int current_tb_modified = 0; |
1039 | 6b917547 | aliguori | target_ulong current_pc = 0;
|
1040 | 6b917547 | aliguori | target_ulong current_cs_base = 0;
|
1041 | 6b917547 | aliguori | int current_flags = 0; |
1042 | d720b93d | bellard | #endif
|
1043 | 9fa3e853 | bellard | |
1044 | 9fa3e853 | bellard | addr &= TARGET_PAGE_MASK; |
1045 | 9fa3e853 | bellard | p = page_find(addr >> TARGET_PAGE_BITS); |
1046 | 5fafdf24 | ths | if (!p)
|
1047 | 9fa3e853 | bellard | return;
|
1048 | 9fa3e853 | bellard | tb = p->first_tb; |
1049 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
1050 | d720b93d | bellard | if (tb && pc != 0) { |
1051 | d720b93d | bellard | current_tb = tb_find_pc(pc); |
1052 | d720b93d | bellard | } |
1053 | d720b93d | bellard | #endif
|
1054 | 9fa3e853 | bellard | while (tb != NULL) { |
1055 | 9fa3e853 | bellard | n = (long)tb & 3; |
1056 | 9fa3e853 | bellard | tb = (TranslationBlock *)((long)tb & ~3); |
1057 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
1058 | d720b93d | bellard | if (current_tb == tb &&
|
1059 | 2e70f6ef | pbrook | (current_tb->cflags & CF_COUNT_MASK) != 1) {
|
1060 | d720b93d | bellard | /* If we are modifying the current TB, we must stop
|
1061 | d720b93d | bellard | its execution. We could be more precise by checking
|
1062 | d720b93d | bellard | that the modification is after the current PC, but it
|
1063 | d720b93d | bellard | would require a specialized function to partially
|
1064 | d720b93d | bellard | restore the CPU state */
|
1065 | 3b46e624 | ths | |
1066 | d720b93d | bellard | current_tb_modified = 1;
|
1067 | d720b93d | bellard | cpu_restore_state(current_tb, env, pc, puc); |
1068 | 6b917547 | aliguori | cpu_get_tb_cpu_state(env, ¤t_pc, ¤t_cs_base, |
1069 | 6b917547 | aliguori | ¤t_flags); |
1070 | d720b93d | bellard | } |
1071 | d720b93d | bellard | #endif /* TARGET_HAS_PRECISE_SMC */ |
1072 | 9fa3e853 | bellard | tb_phys_invalidate(tb, addr); |
1073 | 9fa3e853 | bellard | tb = tb->page_next[n]; |
1074 | 9fa3e853 | bellard | } |
1075 | fd6ce8f6 | bellard | p->first_tb = NULL;
|
1076 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
1077 | d720b93d | bellard | if (current_tb_modified) {
|
1078 | d720b93d | bellard | /* we generate a block containing just the instruction
|
1079 | d720b93d | bellard | modifying the memory. It will ensure that it cannot modify
|
1080 | d720b93d | bellard | itself */
|
1081 | ea1c1802 | bellard | env->current_tb = NULL;
|
1082 | 2e70f6ef | pbrook | tb_gen_code(env, current_pc, current_cs_base, current_flags, 1);
|
1083 | d720b93d | bellard | cpu_resume_from_signal(env, puc); |
1084 | d720b93d | bellard | } |
1085 | d720b93d | bellard | #endif
|
1086 | fd6ce8f6 | bellard | } |
1087 | 9fa3e853 | bellard | #endif
|
1088 | fd6ce8f6 | bellard | |
1089 | fd6ce8f6 | bellard | /* add the tb in the target page and protect it if necessary */
|
1090 | 5fafdf24 | ths | static inline void tb_alloc_page(TranslationBlock *tb, |
1091 | 53a5960a | pbrook | unsigned int n, target_ulong page_addr) |
1092 | fd6ce8f6 | bellard | { |
1093 | fd6ce8f6 | bellard | PageDesc *p; |
1094 | 9fa3e853 | bellard | TranslationBlock *last_first_tb; |
1095 | 9fa3e853 | bellard | |
1096 | 9fa3e853 | bellard | tb->page_addr[n] = page_addr; |
1097 | 3a7d929e | bellard | p = page_find_alloc(page_addr >> TARGET_PAGE_BITS); |
1098 | 9fa3e853 | bellard | tb->page_next[n] = p->first_tb; |
1099 | 9fa3e853 | bellard | last_first_tb = p->first_tb; |
1100 | 9fa3e853 | bellard | p->first_tb = (TranslationBlock *)((long)tb | n);
|
1101 | 9fa3e853 | bellard | invalidate_page_bitmap(p); |
1102 | fd6ce8f6 | bellard | |
1103 | 107db443 | bellard | #if defined(TARGET_HAS_SMC) || 1 |
1104 | d720b93d | bellard | |
1105 | 9fa3e853 | bellard | #if defined(CONFIG_USER_ONLY)
|
1106 | fd6ce8f6 | bellard | if (p->flags & PAGE_WRITE) {
|
1107 | 53a5960a | pbrook | target_ulong addr; |
1108 | 53a5960a | pbrook | PageDesc *p2; |
1109 | 9fa3e853 | bellard | int prot;
|
1110 | 9fa3e853 | bellard | |
1111 | fd6ce8f6 | bellard | /* force the host page as non writable (writes will have a
|
1112 | fd6ce8f6 | bellard | page fault + mprotect overhead) */
|
1113 | 53a5960a | pbrook | page_addr &= qemu_host_page_mask; |
1114 | fd6ce8f6 | bellard | prot = 0;
|
1115 | 53a5960a | pbrook | for(addr = page_addr; addr < page_addr + qemu_host_page_size;
|
1116 | 53a5960a | pbrook | addr += TARGET_PAGE_SIZE) { |
1117 | 53a5960a | pbrook | |
1118 | 53a5960a | pbrook | p2 = page_find (addr >> TARGET_PAGE_BITS); |
1119 | 53a5960a | pbrook | if (!p2)
|
1120 | 53a5960a | pbrook | continue;
|
1121 | 53a5960a | pbrook | prot |= p2->flags; |
1122 | 53a5960a | pbrook | p2->flags &= ~PAGE_WRITE; |
1123 | 53a5960a | pbrook | page_get_flags(addr); |
1124 | 53a5960a | pbrook | } |
1125 | 5fafdf24 | ths | mprotect(g2h(page_addr), qemu_host_page_size, |
1126 | fd6ce8f6 | bellard | (prot & PAGE_BITS) & ~PAGE_WRITE); |
1127 | fd6ce8f6 | bellard | #ifdef DEBUG_TB_INVALIDATE
|
1128 | ab3d1727 | blueswir1 | printf("protecting code page: 0x" TARGET_FMT_lx "\n", |
1129 | 53a5960a | pbrook | page_addr); |
1130 | fd6ce8f6 | bellard | #endif
|
1131 | fd6ce8f6 | bellard | } |
1132 | 9fa3e853 | bellard | #else
|
1133 | 9fa3e853 | bellard | /* if some code is already present, then the pages are already
|
1134 | 9fa3e853 | bellard | protected. So we handle the case where only the first TB is
|
1135 | 9fa3e853 | bellard | allocated in a physical page */
|
1136 | 9fa3e853 | bellard | if (!last_first_tb) {
|
1137 | 6a00d601 | bellard | tlb_protect_code(page_addr); |
1138 | 9fa3e853 | bellard | } |
1139 | 9fa3e853 | bellard | #endif
|
1140 | d720b93d | bellard | |
1141 | d720b93d | bellard | #endif /* TARGET_HAS_SMC */ |
1142 | fd6ce8f6 | bellard | } |
1143 | fd6ce8f6 | bellard | |
1144 | fd6ce8f6 | bellard | /* Allocate a new translation block. Flush the translation buffer if
|
1145 | fd6ce8f6 | bellard | too many translation blocks or too much generated code. */
|
1146 | c27004ec | bellard | TranslationBlock *tb_alloc(target_ulong pc) |
1147 | fd6ce8f6 | bellard | { |
1148 | fd6ce8f6 | bellard | TranslationBlock *tb; |
1149 | fd6ce8f6 | bellard | |
1150 | 26a5f13b | bellard | if (nb_tbs >= code_gen_max_blocks ||
|
1151 | 26a5f13b | bellard | (code_gen_ptr - code_gen_buffer) >= code_gen_buffer_max_size) |
1152 | d4e8164f | bellard | return NULL; |
1153 | fd6ce8f6 | bellard | tb = &tbs[nb_tbs++]; |
1154 | fd6ce8f6 | bellard | tb->pc = pc; |
1155 | b448f2f3 | bellard | tb->cflags = 0;
|
1156 | d4e8164f | bellard | return tb;
|
1157 | d4e8164f | bellard | } |
1158 | d4e8164f | bellard | |
1159 | 2e70f6ef | pbrook | void tb_free(TranslationBlock *tb)
|
1160 | 2e70f6ef | pbrook | { |
1161 | bf20dc07 | ths | /* In practice this is mostly used for single use temporary TB
|
1162 | 2e70f6ef | pbrook | Ignore the hard cases and just back up if this TB happens to
|
1163 | 2e70f6ef | pbrook | be the last one generated. */
|
1164 | 2e70f6ef | pbrook | if (nb_tbs > 0 && tb == &tbs[nb_tbs - 1]) { |
1165 | 2e70f6ef | pbrook | code_gen_ptr = tb->tc_ptr; |
1166 | 2e70f6ef | pbrook | nb_tbs--; |
1167 | 2e70f6ef | pbrook | } |
1168 | 2e70f6ef | pbrook | } |
1169 | 2e70f6ef | pbrook | |
1170 | 9fa3e853 | bellard | /* add a new TB and link it to the physical page tables. phys_page2 is
|
1171 | 9fa3e853 | bellard | (-1) to indicate that only one page contains the TB. */
|
1172 | 5fafdf24 | ths | void tb_link_phys(TranslationBlock *tb,
|
1173 | 9fa3e853 | bellard | target_ulong phys_pc, target_ulong phys_page2) |
1174 | d4e8164f | bellard | { |
1175 | 9fa3e853 | bellard | unsigned int h; |
1176 | 9fa3e853 | bellard | TranslationBlock **ptb; |
1177 | 9fa3e853 | bellard | |
1178 | c8a706fe | pbrook | /* Grab the mmap lock to stop another thread invalidating this TB
|
1179 | c8a706fe | pbrook | before we are done. */
|
1180 | c8a706fe | pbrook | mmap_lock(); |
1181 | 9fa3e853 | bellard | /* add in the physical hash table */
|
1182 | 9fa3e853 | bellard | h = tb_phys_hash_func(phys_pc); |
1183 | 9fa3e853 | bellard | ptb = &tb_phys_hash[h]; |
1184 | 9fa3e853 | bellard | tb->phys_hash_next = *ptb; |
1185 | 9fa3e853 | bellard | *ptb = tb; |
1186 | fd6ce8f6 | bellard | |
1187 | fd6ce8f6 | bellard | /* add in the page list */
|
1188 | 9fa3e853 | bellard | tb_alloc_page(tb, 0, phys_pc & TARGET_PAGE_MASK);
|
1189 | 9fa3e853 | bellard | if (phys_page2 != -1) |
1190 | 9fa3e853 | bellard | tb_alloc_page(tb, 1, phys_page2);
|
1191 | 9fa3e853 | bellard | else
|
1192 | 9fa3e853 | bellard | tb->page_addr[1] = -1; |
1193 | 9fa3e853 | bellard | |
1194 | d4e8164f | bellard | tb->jmp_first = (TranslationBlock *)((long)tb | 2); |
1195 | d4e8164f | bellard | tb->jmp_next[0] = NULL; |
1196 | d4e8164f | bellard | tb->jmp_next[1] = NULL; |
1197 | d4e8164f | bellard | |
1198 | d4e8164f | bellard | /* init original jump addresses */
|
1199 | d4e8164f | bellard | if (tb->tb_next_offset[0] != 0xffff) |
1200 | d4e8164f | bellard | tb_reset_jump(tb, 0);
|
1201 | d4e8164f | bellard | if (tb->tb_next_offset[1] != 0xffff) |
1202 | d4e8164f | bellard | tb_reset_jump(tb, 1);
|
1203 | 8a40a180 | bellard | |
1204 | 8a40a180 | bellard | #ifdef DEBUG_TB_CHECK
|
1205 | 8a40a180 | bellard | tb_page_check(); |
1206 | 8a40a180 | bellard | #endif
|
1207 | c8a706fe | pbrook | mmap_unlock(); |
1208 | fd6ce8f6 | bellard | } |
1209 | fd6ce8f6 | bellard | |
1210 | 9fa3e853 | bellard | /* find the TB 'tb' such that tb[0].tc_ptr <= tc_ptr <
|
1211 | 9fa3e853 | bellard | tb[1].tc_ptr. Return NULL if not found */
|
1212 | 9fa3e853 | bellard | TranslationBlock *tb_find_pc(unsigned long tc_ptr) |
1213 | fd6ce8f6 | bellard | { |
1214 | 9fa3e853 | bellard | int m_min, m_max, m;
|
1215 | 9fa3e853 | bellard | unsigned long v; |
1216 | 9fa3e853 | bellard | TranslationBlock *tb; |
1217 | a513fe19 | bellard | |
1218 | a513fe19 | bellard | if (nb_tbs <= 0) |
1219 | a513fe19 | bellard | return NULL; |
1220 | a513fe19 | bellard | if (tc_ptr < (unsigned long)code_gen_buffer || |
1221 | a513fe19 | bellard | tc_ptr >= (unsigned long)code_gen_ptr) |
1222 | a513fe19 | bellard | return NULL; |
1223 | a513fe19 | bellard | /* binary search (cf Knuth) */
|
1224 | a513fe19 | bellard | m_min = 0;
|
1225 | a513fe19 | bellard | m_max = nb_tbs - 1;
|
1226 | a513fe19 | bellard | while (m_min <= m_max) {
|
1227 | a513fe19 | bellard | m = (m_min + m_max) >> 1;
|
1228 | a513fe19 | bellard | tb = &tbs[m]; |
1229 | a513fe19 | bellard | v = (unsigned long)tb->tc_ptr; |
1230 | a513fe19 | bellard | if (v == tc_ptr)
|
1231 | a513fe19 | bellard | return tb;
|
1232 | a513fe19 | bellard | else if (tc_ptr < v) { |
1233 | a513fe19 | bellard | m_max = m - 1;
|
1234 | a513fe19 | bellard | } else {
|
1235 | a513fe19 | bellard | m_min = m + 1;
|
1236 | a513fe19 | bellard | } |
1237 | 5fafdf24 | ths | } |
1238 | a513fe19 | bellard | return &tbs[m_max];
|
1239 | a513fe19 | bellard | } |
1240 | 7501267e | bellard | |
1241 | ea041c0e | bellard | static void tb_reset_jump_recursive(TranslationBlock *tb); |
1242 | ea041c0e | bellard | |
1243 | ea041c0e | bellard | static inline void tb_reset_jump_recursive2(TranslationBlock *tb, int n) |
1244 | ea041c0e | bellard | { |
1245 | ea041c0e | bellard | TranslationBlock *tb1, *tb_next, **ptb; |
1246 | ea041c0e | bellard | unsigned int n1; |
1247 | ea041c0e | bellard | |
1248 | ea041c0e | bellard | tb1 = tb->jmp_next[n]; |
1249 | ea041c0e | bellard | if (tb1 != NULL) { |
1250 | ea041c0e | bellard | /* find head of list */
|
1251 | ea041c0e | bellard | for(;;) {
|
1252 | ea041c0e | bellard | n1 = (long)tb1 & 3; |
1253 | ea041c0e | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
1254 | ea041c0e | bellard | if (n1 == 2) |
1255 | ea041c0e | bellard | break;
|
1256 | ea041c0e | bellard | tb1 = tb1->jmp_next[n1]; |
1257 | ea041c0e | bellard | } |
1258 | ea041c0e | bellard | /* we are now sure now that tb jumps to tb1 */
|
1259 | ea041c0e | bellard | tb_next = tb1; |
1260 | ea041c0e | bellard | |
1261 | ea041c0e | bellard | /* remove tb from the jmp_first list */
|
1262 | ea041c0e | bellard | ptb = &tb_next->jmp_first; |
1263 | ea041c0e | bellard | for(;;) {
|
1264 | ea041c0e | bellard | tb1 = *ptb; |
1265 | ea041c0e | bellard | n1 = (long)tb1 & 3; |
1266 | ea041c0e | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
1267 | ea041c0e | bellard | if (n1 == n && tb1 == tb)
|
1268 | ea041c0e | bellard | break;
|
1269 | ea041c0e | bellard | ptb = &tb1->jmp_next[n1]; |
1270 | ea041c0e | bellard | } |
1271 | ea041c0e | bellard | *ptb = tb->jmp_next[n]; |
1272 | ea041c0e | bellard | tb->jmp_next[n] = NULL;
|
1273 | 3b46e624 | ths | |
1274 | ea041c0e | bellard | /* suppress the jump to next tb in generated code */
|
1275 | ea041c0e | bellard | tb_reset_jump(tb, n); |
1276 | ea041c0e | bellard | |
1277 | 0124311e | bellard | /* suppress jumps in the tb on which we could have jumped */
|
1278 | ea041c0e | bellard | tb_reset_jump_recursive(tb_next); |
1279 | ea041c0e | bellard | } |
1280 | ea041c0e | bellard | } |
1281 | ea041c0e | bellard | |
1282 | ea041c0e | bellard | static void tb_reset_jump_recursive(TranslationBlock *tb) |
1283 | ea041c0e | bellard | { |
1284 | ea041c0e | bellard | tb_reset_jump_recursive2(tb, 0);
|
1285 | ea041c0e | bellard | tb_reset_jump_recursive2(tb, 1);
|
1286 | ea041c0e | bellard | } |
1287 | ea041c0e | bellard | |
1288 | 1fddef4b | bellard | #if defined(TARGET_HAS_ICE)
|
1289 | d720b93d | bellard | static void breakpoint_invalidate(CPUState *env, target_ulong pc) |
1290 | d720b93d | bellard | { |
1291 | 9b3c35e0 | j_mayer | target_phys_addr_t addr; |
1292 | 9b3c35e0 | j_mayer | target_ulong pd; |
1293 | c2f07f81 | pbrook | ram_addr_t ram_addr; |
1294 | c2f07f81 | pbrook | PhysPageDesc *p; |
1295 | d720b93d | bellard | |
1296 | c2f07f81 | pbrook | addr = cpu_get_phys_page_debug(env, pc); |
1297 | c2f07f81 | pbrook | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
1298 | c2f07f81 | pbrook | if (!p) {
|
1299 | c2f07f81 | pbrook | pd = IO_MEM_UNASSIGNED; |
1300 | c2f07f81 | pbrook | } else {
|
1301 | c2f07f81 | pbrook | pd = p->phys_offset; |
1302 | c2f07f81 | pbrook | } |
1303 | c2f07f81 | pbrook | ram_addr = (pd & TARGET_PAGE_MASK) | (pc & ~TARGET_PAGE_MASK); |
1304 | 706cd4b5 | pbrook | tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0); |
1305 | d720b93d | bellard | } |
1306 | c27004ec | bellard | #endif
|
1307 | d720b93d | bellard | |
1308 | 6658ffb8 | pbrook | /* Add a watchpoint. */
|
1309 | a1d1bb31 | aliguori | int cpu_watchpoint_insert(CPUState *env, target_ulong addr, target_ulong len,
|
1310 | a1d1bb31 | aliguori | int flags, CPUWatchpoint **watchpoint)
|
1311 | 6658ffb8 | pbrook | { |
1312 | b4051334 | aliguori | target_ulong len_mask = ~(len - 1);
|
1313 | c0ce998e | aliguori | CPUWatchpoint *wp; |
1314 | 6658ffb8 | pbrook | |
1315 | b4051334 | aliguori | /* sanity checks: allow power-of-2 lengths, deny unaligned watchpoints */
|
1316 | b4051334 | aliguori | if ((len != 1 && len != 2 && len != 4 && len != 8) || (addr & ~len_mask)) { |
1317 | b4051334 | aliguori | fprintf(stderr, "qemu: tried to set invalid watchpoint at "
|
1318 | b4051334 | aliguori | TARGET_FMT_lx ", len=" TARGET_FMT_lu "\n", addr, len); |
1319 | b4051334 | aliguori | return -EINVAL;
|
1320 | b4051334 | aliguori | } |
1321 | a1d1bb31 | aliguori | wp = qemu_malloc(sizeof(*wp));
|
1322 | a1d1bb31 | aliguori | |
1323 | a1d1bb31 | aliguori | wp->vaddr = addr; |
1324 | b4051334 | aliguori | wp->len_mask = len_mask; |
1325 | a1d1bb31 | aliguori | wp->flags = flags; |
1326 | a1d1bb31 | aliguori | |
1327 | 2dc9f411 | aliguori | /* keep all GDB-injected watchpoints in front */
|
1328 | c0ce998e | aliguori | if (flags & BP_GDB)
|
1329 | c0ce998e | aliguori | TAILQ_INSERT_HEAD(&env->watchpoints, wp, entry); |
1330 | c0ce998e | aliguori | else
|
1331 | c0ce998e | aliguori | TAILQ_INSERT_TAIL(&env->watchpoints, wp, entry); |
1332 | 6658ffb8 | pbrook | |
1333 | 6658ffb8 | pbrook | tlb_flush_page(env, addr); |
1334 | a1d1bb31 | aliguori | |
1335 | a1d1bb31 | aliguori | if (watchpoint)
|
1336 | a1d1bb31 | aliguori | *watchpoint = wp; |
1337 | a1d1bb31 | aliguori | return 0; |
1338 | 6658ffb8 | pbrook | } |
1339 | 6658ffb8 | pbrook | |
1340 | a1d1bb31 | aliguori | /* Remove a specific watchpoint. */
|
1341 | a1d1bb31 | aliguori | int cpu_watchpoint_remove(CPUState *env, target_ulong addr, target_ulong len,
|
1342 | a1d1bb31 | aliguori | int flags)
|
1343 | 6658ffb8 | pbrook | { |
1344 | b4051334 | aliguori | target_ulong len_mask = ~(len - 1);
|
1345 | a1d1bb31 | aliguori | CPUWatchpoint *wp; |
1346 | 6658ffb8 | pbrook | |
1347 | c0ce998e | aliguori | TAILQ_FOREACH(wp, &env->watchpoints, entry) { |
1348 | b4051334 | aliguori | if (addr == wp->vaddr && len_mask == wp->len_mask
|
1349 | 6e140f28 | aliguori | && flags == (wp->flags & ~BP_WATCHPOINT_HIT)) { |
1350 | a1d1bb31 | aliguori | cpu_watchpoint_remove_by_ref(env, wp); |
1351 | 6658ffb8 | pbrook | return 0; |
1352 | 6658ffb8 | pbrook | } |
1353 | 6658ffb8 | pbrook | } |
1354 | a1d1bb31 | aliguori | return -ENOENT;
|
1355 | 6658ffb8 | pbrook | } |
1356 | 6658ffb8 | pbrook | |
1357 | a1d1bb31 | aliguori | /* Remove a specific watchpoint by reference. */
|
1358 | a1d1bb31 | aliguori | void cpu_watchpoint_remove_by_ref(CPUState *env, CPUWatchpoint *watchpoint)
|
1359 | a1d1bb31 | aliguori | { |
1360 | c0ce998e | aliguori | TAILQ_REMOVE(&env->watchpoints, watchpoint, entry); |
1361 | 7d03f82f | edgar_igl | |
1362 | a1d1bb31 | aliguori | tlb_flush_page(env, watchpoint->vaddr); |
1363 | a1d1bb31 | aliguori | |
1364 | a1d1bb31 | aliguori | qemu_free(watchpoint); |
1365 | a1d1bb31 | aliguori | } |
1366 | a1d1bb31 | aliguori | |
1367 | a1d1bb31 | aliguori | /* Remove all matching watchpoints. */
|
1368 | a1d1bb31 | aliguori | void cpu_watchpoint_remove_all(CPUState *env, int mask) |
1369 | a1d1bb31 | aliguori | { |
1370 | c0ce998e | aliguori | CPUWatchpoint *wp, *next; |
1371 | a1d1bb31 | aliguori | |
1372 | c0ce998e | aliguori | TAILQ_FOREACH_SAFE(wp, &env->watchpoints, entry, next) { |
1373 | a1d1bb31 | aliguori | if (wp->flags & mask)
|
1374 | a1d1bb31 | aliguori | cpu_watchpoint_remove_by_ref(env, wp); |
1375 | c0ce998e | aliguori | } |
1376 | 7d03f82f | edgar_igl | } |
1377 | 7d03f82f | edgar_igl | |
1378 | a1d1bb31 | aliguori | /* Add a breakpoint. */
|
1379 | a1d1bb31 | aliguori | int cpu_breakpoint_insert(CPUState *env, target_ulong pc, int flags, |
1380 | a1d1bb31 | aliguori | CPUBreakpoint **breakpoint) |
1381 | 4c3a88a2 | bellard | { |
1382 | 1fddef4b | bellard | #if defined(TARGET_HAS_ICE)
|
1383 | c0ce998e | aliguori | CPUBreakpoint *bp; |
1384 | 3b46e624 | ths | |
1385 | a1d1bb31 | aliguori | bp = qemu_malloc(sizeof(*bp));
|
1386 | 4c3a88a2 | bellard | |
1387 | a1d1bb31 | aliguori | bp->pc = pc; |
1388 | a1d1bb31 | aliguori | bp->flags = flags; |
1389 | a1d1bb31 | aliguori | |
1390 | 2dc9f411 | aliguori | /* keep all GDB-injected breakpoints in front */
|
1391 | c0ce998e | aliguori | if (flags & BP_GDB)
|
1392 | c0ce998e | aliguori | TAILQ_INSERT_HEAD(&env->breakpoints, bp, entry); |
1393 | c0ce998e | aliguori | else
|
1394 | c0ce998e | aliguori | TAILQ_INSERT_TAIL(&env->breakpoints, bp, entry); |
1395 | 3b46e624 | ths | |
1396 | d720b93d | bellard | breakpoint_invalidate(env, pc); |
1397 | a1d1bb31 | aliguori | |
1398 | a1d1bb31 | aliguori | if (breakpoint)
|
1399 | a1d1bb31 | aliguori | *breakpoint = bp; |
1400 | 4c3a88a2 | bellard | return 0; |
1401 | 4c3a88a2 | bellard | #else
|
1402 | a1d1bb31 | aliguori | return -ENOSYS;
|
1403 | 4c3a88a2 | bellard | #endif
|
1404 | 4c3a88a2 | bellard | } |
1405 | 4c3a88a2 | bellard | |
1406 | a1d1bb31 | aliguori | /* Remove a specific breakpoint. */
|
1407 | a1d1bb31 | aliguori | int cpu_breakpoint_remove(CPUState *env, target_ulong pc, int flags) |
1408 | a1d1bb31 | aliguori | { |
1409 | 7d03f82f | edgar_igl | #if defined(TARGET_HAS_ICE)
|
1410 | a1d1bb31 | aliguori | CPUBreakpoint *bp; |
1411 | a1d1bb31 | aliguori | |
1412 | c0ce998e | aliguori | TAILQ_FOREACH(bp, &env->breakpoints, entry) { |
1413 | a1d1bb31 | aliguori | if (bp->pc == pc && bp->flags == flags) {
|
1414 | a1d1bb31 | aliguori | cpu_breakpoint_remove_by_ref(env, bp); |
1415 | a1d1bb31 | aliguori | return 0; |
1416 | a1d1bb31 | aliguori | } |
1417 | 7d03f82f | edgar_igl | } |
1418 | a1d1bb31 | aliguori | return -ENOENT;
|
1419 | a1d1bb31 | aliguori | #else
|
1420 | a1d1bb31 | aliguori | return -ENOSYS;
|
1421 | 7d03f82f | edgar_igl | #endif
|
1422 | 7d03f82f | edgar_igl | } |
1423 | 7d03f82f | edgar_igl | |
1424 | a1d1bb31 | aliguori | /* Remove a specific breakpoint by reference. */
|
1425 | a1d1bb31 | aliguori | void cpu_breakpoint_remove_by_ref(CPUState *env, CPUBreakpoint *breakpoint)
|
1426 | 4c3a88a2 | bellard | { |
1427 | 1fddef4b | bellard | #if defined(TARGET_HAS_ICE)
|
1428 | c0ce998e | aliguori | TAILQ_REMOVE(&env->breakpoints, breakpoint, entry); |
1429 | d720b93d | bellard | |
1430 | a1d1bb31 | aliguori | breakpoint_invalidate(env, breakpoint->pc); |
1431 | a1d1bb31 | aliguori | |
1432 | a1d1bb31 | aliguori | qemu_free(breakpoint); |
1433 | a1d1bb31 | aliguori | #endif
|
1434 | a1d1bb31 | aliguori | } |
1435 | a1d1bb31 | aliguori | |
1436 | a1d1bb31 | aliguori | /* Remove all matching breakpoints. */
|
1437 | a1d1bb31 | aliguori | void cpu_breakpoint_remove_all(CPUState *env, int mask) |
1438 | a1d1bb31 | aliguori | { |
1439 | a1d1bb31 | aliguori | #if defined(TARGET_HAS_ICE)
|
1440 | c0ce998e | aliguori | CPUBreakpoint *bp, *next; |
1441 | a1d1bb31 | aliguori | |
1442 | c0ce998e | aliguori | TAILQ_FOREACH_SAFE(bp, &env->breakpoints, entry, next) { |
1443 | a1d1bb31 | aliguori | if (bp->flags & mask)
|
1444 | a1d1bb31 | aliguori | cpu_breakpoint_remove_by_ref(env, bp); |
1445 | c0ce998e | aliguori | } |
1446 | 4c3a88a2 | bellard | #endif
|
1447 | 4c3a88a2 | bellard | } |
1448 | 4c3a88a2 | bellard | |
1449 | c33a346e | bellard | /* enable or disable single step mode. EXCP_DEBUG is returned by the
|
1450 | c33a346e | bellard | CPU loop after each instruction */
|
1451 | c33a346e | bellard | void cpu_single_step(CPUState *env, int enabled) |
1452 | c33a346e | bellard | { |
1453 | 1fddef4b | bellard | #if defined(TARGET_HAS_ICE)
|
1454 | c33a346e | bellard | if (env->singlestep_enabled != enabled) {
|
1455 | c33a346e | bellard | env->singlestep_enabled = enabled; |
1456 | e22a25c9 | aliguori | if (kvm_enabled())
|
1457 | e22a25c9 | aliguori | kvm_update_guest_debug(env, 0);
|
1458 | e22a25c9 | aliguori | else {
|
1459 | e22a25c9 | aliguori | /* must flush all the translated code to avoid inconsistancies */
|
1460 | e22a25c9 | aliguori | /* XXX: only flush what is necessary */
|
1461 | e22a25c9 | aliguori | tb_flush(env); |
1462 | e22a25c9 | aliguori | } |
1463 | c33a346e | bellard | } |
1464 | c33a346e | bellard | #endif
|
1465 | c33a346e | bellard | } |
1466 | c33a346e | bellard | |
1467 | 34865134 | bellard | /* enable or disable low levels log */
|
1468 | 34865134 | bellard | void cpu_set_log(int log_flags) |
1469 | 34865134 | bellard | { |
1470 | 34865134 | bellard | loglevel = log_flags; |
1471 | 34865134 | bellard | if (loglevel && !logfile) {
|
1472 | 11fcfab4 | pbrook | logfile = fopen(logfilename, log_append ? "a" : "w"); |
1473 | 34865134 | bellard | if (!logfile) {
|
1474 | 34865134 | bellard | perror(logfilename); |
1475 | 34865134 | bellard | _exit(1);
|
1476 | 34865134 | bellard | } |
1477 | 9fa3e853 | bellard | #if !defined(CONFIG_SOFTMMU)
|
1478 | 9fa3e853 | bellard | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
|
1479 | 9fa3e853 | bellard | { |
1480 | b55266b5 | blueswir1 | static char logfile_buf[4096]; |
1481 | 9fa3e853 | bellard | setvbuf(logfile, logfile_buf, _IOLBF, sizeof(logfile_buf));
|
1482 | 9fa3e853 | bellard | } |
1483 | 9fa3e853 | bellard | #else
|
1484 | 34865134 | bellard | setvbuf(logfile, NULL, _IOLBF, 0); |
1485 | 9fa3e853 | bellard | #endif
|
1486 | e735b91c | pbrook | log_append = 1;
|
1487 | e735b91c | pbrook | } |
1488 | e735b91c | pbrook | if (!loglevel && logfile) {
|
1489 | e735b91c | pbrook | fclose(logfile); |
1490 | e735b91c | pbrook | logfile = NULL;
|
1491 | 34865134 | bellard | } |
1492 | 34865134 | bellard | } |
1493 | 34865134 | bellard | |
1494 | 34865134 | bellard | void cpu_set_log_filename(const char *filename) |
1495 | 34865134 | bellard | { |
1496 | 34865134 | bellard | logfilename = strdup(filename); |
1497 | e735b91c | pbrook | if (logfile) {
|
1498 | e735b91c | pbrook | fclose(logfile); |
1499 | e735b91c | pbrook | logfile = NULL;
|
1500 | e735b91c | pbrook | } |
1501 | e735b91c | pbrook | cpu_set_log(loglevel); |
1502 | 34865134 | bellard | } |
1503 | c33a346e | bellard | |
1504 | 3098dba0 | aurel32 | static void cpu_unlink_tb(CPUState *env) |
1505 | ea041c0e | bellard | { |
1506 | 3098dba0 | aurel32 | #if defined(USE_NPTL)
|
1507 | 3098dba0 | aurel32 | /* FIXME: TB unchaining isn't SMP safe. For now just ignore the
|
1508 | 3098dba0 | aurel32 | problem and hope the cpu will stop of its own accord. For userspace
|
1509 | 3098dba0 | aurel32 | emulation this often isn't actually as bad as it sounds. Often
|
1510 | 3098dba0 | aurel32 | signals are used primarily to interrupt blocking syscalls. */
|
1511 | 3098dba0 | aurel32 | #else
|
1512 | ea041c0e | bellard | TranslationBlock *tb; |
1513 | 15a51156 | aurel32 | static spinlock_t interrupt_lock = SPIN_LOCK_UNLOCKED;
|
1514 | 59817ccb | bellard | |
1515 | 3098dba0 | aurel32 | tb = env->current_tb; |
1516 | 3098dba0 | aurel32 | /* if the cpu is currently executing code, we must unlink it and
|
1517 | 3098dba0 | aurel32 | all the potentially executing TB */
|
1518 | 3098dba0 | aurel32 | if (tb && !testandset(&interrupt_lock)) {
|
1519 | 3098dba0 | aurel32 | env->current_tb = NULL;
|
1520 | 3098dba0 | aurel32 | tb_reset_jump_recursive(tb); |
1521 | 3098dba0 | aurel32 | resetlock(&interrupt_lock); |
1522 | be214e6c | aurel32 | } |
1523 | 3098dba0 | aurel32 | #endif
|
1524 | 3098dba0 | aurel32 | } |
1525 | 3098dba0 | aurel32 | |
1526 | 3098dba0 | aurel32 | /* mask must never be zero, except for A20 change call */
|
1527 | 3098dba0 | aurel32 | void cpu_interrupt(CPUState *env, int mask) |
1528 | 3098dba0 | aurel32 | { |
1529 | 3098dba0 | aurel32 | int old_mask;
|
1530 | be214e6c | aurel32 | |
1531 | 2e70f6ef | pbrook | old_mask = env->interrupt_request; |
1532 | 68a79315 | bellard | env->interrupt_request |= mask; |
1533 | 3098dba0 | aurel32 | |
1534 | 2e70f6ef | pbrook | if (use_icount) {
|
1535 | 266910c4 | pbrook | env->icount_decr.u16.high = 0xffff;
|
1536 | 2e70f6ef | pbrook | #ifndef CONFIG_USER_ONLY
|
1537 | 2e70f6ef | pbrook | if (!can_do_io(env)
|
1538 | be214e6c | aurel32 | && (mask & ~old_mask) != 0) {
|
1539 | 2e70f6ef | pbrook | cpu_abort(env, "Raised interrupt while not in I/O function");
|
1540 | 2e70f6ef | pbrook | } |
1541 | 2e70f6ef | pbrook | #endif
|
1542 | 2e70f6ef | pbrook | } else {
|
1543 | 3098dba0 | aurel32 | cpu_unlink_tb(env); |
1544 | ea041c0e | bellard | } |
1545 | ea041c0e | bellard | } |
1546 | ea041c0e | bellard | |
1547 | b54ad049 | bellard | void cpu_reset_interrupt(CPUState *env, int mask) |
1548 | b54ad049 | bellard | { |
1549 | b54ad049 | bellard | env->interrupt_request &= ~mask; |
1550 | b54ad049 | bellard | } |
1551 | b54ad049 | bellard | |
1552 | 3098dba0 | aurel32 | void cpu_exit(CPUState *env)
|
1553 | 3098dba0 | aurel32 | { |
1554 | 3098dba0 | aurel32 | env->exit_request = 1;
|
1555 | 3098dba0 | aurel32 | cpu_unlink_tb(env); |
1556 | 3098dba0 | aurel32 | } |
1557 | 3098dba0 | aurel32 | |
1558 | c7cd6a37 | blueswir1 | const CPULogItem cpu_log_items[] = {
|
1559 | 5fafdf24 | ths | { CPU_LOG_TB_OUT_ASM, "out_asm",
|
1560 | f193c797 | bellard | "show generated host assembly code for each compiled TB" },
|
1561 | f193c797 | bellard | { CPU_LOG_TB_IN_ASM, "in_asm",
|
1562 | f193c797 | bellard | "show target assembly code for each compiled TB" },
|
1563 | 5fafdf24 | ths | { CPU_LOG_TB_OP, "op",
|
1564 | 57fec1fe | bellard | "show micro ops for each compiled TB" },
|
1565 | f193c797 | bellard | { CPU_LOG_TB_OP_OPT, "op_opt",
|
1566 | e01a1157 | blueswir1 | "show micro ops "
|
1567 | e01a1157 | blueswir1 | #ifdef TARGET_I386
|
1568 | e01a1157 | blueswir1 | "before eflags optimization and "
|
1569 | f193c797 | bellard | #endif
|
1570 | e01a1157 | blueswir1 | "after liveness analysis" },
|
1571 | f193c797 | bellard | { CPU_LOG_INT, "int",
|
1572 | f193c797 | bellard | "show interrupts/exceptions in short format" },
|
1573 | f193c797 | bellard | { CPU_LOG_EXEC, "exec",
|
1574 | f193c797 | bellard | "show trace before each executed TB (lots of logs)" },
|
1575 | 9fddaa0c | bellard | { CPU_LOG_TB_CPU, "cpu",
|
1576 | e91c8a77 | ths | "show CPU state before block translation" },
|
1577 | f193c797 | bellard | #ifdef TARGET_I386
|
1578 | f193c797 | bellard | { CPU_LOG_PCALL, "pcall",
|
1579 | f193c797 | bellard | "show protected mode far calls/returns/exceptions" },
|
1580 | eca1bdf4 | aliguori | { CPU_LOG_RESET, "cpu_reset",
|
1581 | eca1bdf4 | aliguori | "show CPU state before CPU resets" },
|
1582 | f193c797 | bellard | #endif
|
1583 | 8e3a9fd2 | bellard | #ifdef DEBUG_IOPORT
|
1584 | fd872598 | bellard | { CPU_LOG_IOPORT, "ioport",
|
1585 | fd872598 | bellard | "show all i/o ports accesses" },
|
1586 | 8e3a9fd2 | bellard | #endif
|
1587 | f193c797 | bellard | { 0, NULL, NULL }, |
1588 | f193c797 | bellard | }; |
1589 | f193c797 | bellard | |
1590 | f193c797 | bellard | static int cmp1(const char *s1, int n, const char *s2) |
1591 | f193c797 | bellard | { |
1592 | f193c797 | bellard | if (strlen(s2) != n)
|
1593 | f193c797 | bellard | return 0; |
1594 | f193c797 | bellard | return memcmp(s1, s2, n) == 0; |
1595 | f193c797 | bellard | } |
1596 | 3b46e624 | ths | |
1597 | f193c797 | bellard | /* takes a comma separated list of log masks. Return 0 if error. */
|
1598 | f193c797 | bellard | int cpu_str_to_log_mask(const char *str) |
1599 | f193c797 | bellard | { |
1600 | c7cd6a37 | blueswir1 | const CPULogItem *item;
|
1601 | f193c797 | bellard | int mask;
|
1602 | f193c797 | bellard | const char *p, *p1; |
1603 | f193c797 | bellard | |
1604 | f193c797 | bellard | p = str; |
1605 | f193c797 | bellard | mask = 0;
|
1606 | f193c797 | bellard | for(;;) {
|
1607 | f193c797 | bellard | p1 = strchr(p, ',');
|
1608 | f193c797 | bellard | if (!p1)
|
1609 | f193c797 | bellard | p1 = p + strlen(p); |
1610 | 8e3a9fd2 | bellard | if(cmp1(p,p1-p,"all")) { |
1611 | 8e3a9fd2 | bellard | for(item = cpu_log_items; item->mask != 0; item++) { |
1612 | 8e3a9fd2 | bellard | mask |= item->mask; |
1613 | 8e3a9fd2 | bellard | } |
1614 | 8e3a9fd2 | bellard | } else {
|
1615 | f193c797 | bellard | for(item = cpu_log_items; item->mask != 0; item++) { |
1616 | f193c797 | bellard | if (cmp1(p, p1 - p, item->name))
|
1617 | f193c797 | bellard | goto found;
|
1618 | f193c797 | bellard | } |
1619 | f193c797 | bellard | return 0; |
1620 | 8e3a9fd2 | bellard | } |
1621 | f193c797 | bellard | found:
|
1622 | f193c797 | bellard | mask |= item->mask; |
1623 | f193c797 | bellard | if (*p1 != ',') |
1624 | f193c797 | bellard | break;
|
1625 | f193c797 | bellard | p = p1 + 1;
|
1626 | f193c797 | bellard | } |
1627 | f193c797 | bellard | return mask;
|
1628 | f193c797 | bellard | } |
1629 | ea041c0e | bellard | |
1630 | 7501267e | bellard | void cpu_abort(CPUState *env, const char *fmt, ...) |
1631 | 7501267e | bellard | { |
1632 | 7501267e | bellard | va_list ap; |
1633 | 493ae1f0 | pbrook | va_list ap2; |
1634 | 7501267e | bellard | |
1635 | 7501267e | bellard | va_start(ap, fmt); |
1636 | 493ae1f0 | pbrook | va_copy(ap2, ap); |
1637 | 7501267e | bellard | fprintf(stderr, "qemu: fatal: ");
|
1638 | 7501267e | bellard | vfprintf(stderr, fmt, ap); |
1639 | 7501267e | bellard | fprintf(stderr, "\n");
|
1640 | 7501267e | bellard | #ifdef TARGET_I386
|
1641 | 7fe48483 | bellard | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP); |
1642 | 7fe48483 | bellard | #else
|
1643 | 7fe48483 | bellard | cpu_dump_state(env, stderr, fprintf, 0);
|
1644 | 7501267e | bellard | #endif
|
1645 | 93fcfe39 | aliguori | if (qemu_log_enabled()) {
|
1646 | 93fcfe39 | aliguori | qemu_log("qemu: fatal: ");
|
1647 | 93fcfe39 | aliguori | qemu_log_vprintf(fmt, ap2); |
1648 | 93fcfe39 | aliguori | qemu_log("\n");
|
1649 | f9373291 | j_mayer | #ifdef TARGET_I386
|
1650 | 93fcfe39 | aliguori | log_cpu_state(env, X86_DUMP_FPU | X86_DUMP_CCOP); |
1651 | f9373291 | j_mayer | #else
|
1652 | 93fcfe39 | aliguori | log_cpu_state(env, 0);
|
1653 | f9373291 | j_mayer | #endif
|
1654 | 31b1a7b4 | aliguori | qemu_log_flush(); |
1655 | 93fcfe39 | aliguori | qemu_log_close(); |
1656 | 924edcae | balrog | } |
1657 | 493ae1f0 | pbrook | va_end(ap2); |
1658 | f9373291 | j_mayer | va_end(ap); |
1659 | 7501267e | bellard | abort(); |
1660 | 7501267e | bellard | } |
1661 | 7501267e | bellard | |
1662 | c5be9f08 | ths | CPUState *cpu_copy(CPUState *env) |
1663 | c5be9f08 | ths | { |
1664 | 01ba9816 | ths | CPUState *new_env = cpu_init(env->cpu_model_str); |
1665 | c5be9f08 | ths | CPUState *next_cpu = new_env->next_cpu; |
1666 | c5be9f08 | ths | int cpu_index = new_env->cpu_index;
|
1667 | 5a38f081 | aliguori | #if defined(TARGET_HAS_ICE)
|
1668 | 5a38f081 | aliguori | CPUBreakpoint *bp; |
1669 | 5a38f081 | aliguori | CPUWatchpoint *wp; |
1670 | 5a38f081 | aliguori | #endif
|
1671 | 5a38f081 | aliguori | |
1672 | c5be9f08 | ths | memcpy(new_env, env, sizeof(CPUState));
|
1673 | 5a38f081 | aliguori | |
1674 | 5a38f081 | aliguori | /* Preserve chaining and index. */
|
1675 | c5be9f08 | ths | new_env->next_cpu = next_cpu; |
1676 | c5be9f08 | ths | new_env->cpu_index = cpu_index; |
1677 | 5a38f081 | aliguori | |
1678 | 5a38f081 | aliguori | /* Clone all break/watchpoints.
|
1679 | 5a38f081 | aliguori | Note: Once we support ptrace with hw-debug register access, make sure
|
1680 | 5a38f081 | aliguori | BP_CPU break/watchpoints are handled correctly on clone. */
|
1681 | 5a38f081 | aliguori | TAILQ_INIT(&env->breakpoints); |
1682 | 5a38f081 | aliguori | TAILQ_INIT(&env->watchpoints); |
1683 | 5a38f081 | aliguori | #if defined(TARGET_HAS_ICE)
|
1684 | 5a38f081 | aliguori | TAILQ_FOREACH(bp, &env->breakpoints, entry) { |
1685 | 5a38f081 | aliguori | cpu_breakpoint_insert(new_env, bp->pc, bp->flags, NULL);
|
1686 | 5a38f081 | aliguori | } |
1687 | 5a38f081 | aliguori | TAILQ_FOREACH(wp, &env->watchpoints, entry) { |
1688 | 5a38f081 | aliguori | cpu_watchpoint_insert(new_env, wp->vaddr, (~wp->len_mask) + 1,
|
1689 | 5a38f081 | aliguori | wp->flags, NULL);
|
1690 | 5a38f081 | aliguori | } |
1691 | 5a38f081 | aliguori | #endif
|
1692 | 5a38f081 | aliguori | |
1693 | c5be9f08 | ths | return new_env;
|
1694 | c5be9f08 | ths | } |
1695 | c5be9f08 | ths | |
1696 | 0124311e | bellard | #if !defined(CONFIG_USER_ONLY)
|
1697 | 0124311e | bellard | |
1698 | 5c751e99 | edgar_igl | static inline void tlb_flush_jmp_cache(CPUState *env, target_ulong addr) |
1699 | 5c751e99 | edgar_igl | { |
1700 | 5c751e99 | edgar_igl | unsigned int i; |
1701 | 5c751e99 | edgar_igl | |
1702 | 5c751e99 | edgar_igl | /* Discard jump cache entries for any tb which might potentially
|
1703 | 5c751e99 | edgar_igl | overlap the flushed page. */
|
1704 | 5c751e99 | edgar_igl | i = tb_jmp_cache_hash_page(addr - TARGET_PAGE_SIZE); |
1705 | 5c751e99 | edgar_igl | memset (&env->tb_jmp_cache[i], 0,
|
1706 | 5c751e99 | edgar_igl | TB_JMP_PAGE_SIZE * sizeof(TranslationBlock *));
|
1707 | 5c751e99 | edgar_igl | |
1708 | 5c751e99 | edgar_igl | i = tb_jmp_cache_hash_page(addr); |
1709 | 5c751e99 | edgar_igl | memset (&env->tb_jmp_cache[i], 0,
|
1710 | 5c751e99 | edgar_igl | TB_JMP_PAGE_SIZE * sizeof(TranslationBlock *));
|
1711 | 5c751e99 | edgar_igl | } |
1712 | 5c751e99 | edgar_igl | |
1713 | ee8b7021 | bellard | /* NOTE: if flush_global is true, also flush global entries (not
|
1714 | ee8b7021 | bellard | implemented yet) */
|
1715 | ee8b7021 | bellard | void tlb_flush(CPUState *env, int flush_global) |
1716 | 33417e70 | bellard | { |
1717 | 33417e70 | bellard | int i;
|
1718 | 0124311e | bellard | |
1719 | 9fa3e853 | bellard | #if defined(DEBUG_TLB)
|
1720 | 9fa3e853 | bellard | printf("tlb_flush:\n");
|
1721 | 9fa3e853 | bellard | #endif
|
1722 | 0124311e | bellard | /* must reset current TB so that interrupts cannot modify the
|
1723 | 0124311e | bellard | links while we are modifying them */
|
1724 | 0124311e | bellard | env->current_tb = NULL;
|
1725 | 0124311e | bellard | |
1726 | 33417e70 | bellard | for(i = 0; i < CPU_TLB_SIZE; i++) { |
1727 | 84b7b8e7 | bellard | env->tlb_table[0][i].addr_read = -1; |
1728 | 84b7b8e7 | bellard | env->tlb_table[0][i].addr_write = -1; |
1729 | 84b7b8e7 | bellard | env->tlb_table[0][i].addr_code = -1; |
1730 | 84b7b8e7 | bellard | env->tlb_table[1][i].addr_read = -1; |
1731 | 84b7b8e7 | bellard | env->tlb_table[1][i].addr_write = -1; |
1732 | 84b7b8e7 | bellard | env->tlb_table[1][i].addr_code = -1; |
1733 | 6fa4cea9 | j_mayer | #if (NB_MMU_MODES >= 3) |
1734 | 6fa4cea9 | j_mayer | env->tlb_table[2][i].addr_read = -1; |
1735 | 6fa4cea9 | j_mayer | env->tlb_table[2][i].addr_write = -1; |
1736 | 6fa4cea9 | j_mayer | env->tlb_table[2][i].addr_code = -1; |
1737 | e37e6ee6 | aurel32 | #endif
|
1738 | e37e6ee6 | aurel32 | #if (NB_MMU_MODES >= 4) |
1739 | 6fa4cea9 | j_mayer | env->tlb_table[3][i].addr_read = -1; |
1740 | 6fa4cea9 | j_mayer | env->tlb_table[3][i].addr_write = -1; |
1741 | 6fa4cea9 | j_mayer | env->tlb_table[3][i].addr_code = -1; |
1742 | 6fa4cea9 | j_mayer | #endif
|
1743 | e37e6ee6 | aurel32 | #if (NB_MMU_MODES >= 5) |
1744 | e37e6ee6 | aurel32 | env->tlb_table[4][i].addr_read = -1; |
1745 | e37e6ee6 | aurel32 | env->tlb_table[4][i].addr_write = -1; |
1746 | e37e6ee6 | aurel32 | env->tlb_table[4][i].addr_code = -1; |
1747 | 6fa4cea9 | j_mayer | #endif
|
1748 | e37e6ee6 | aurel32 | |
1749 | 33417e70 | bellard | } |
1750 | 9fa3e853 | bellard | |
1751 | 8a40a180 | bellard | memset (env->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof (void *)); |
1752 | 9fa3e853 | bellard | |
1753 | 0a962c02 | bellard | #ifdef USE_KQEMU
|
1754 | 0a962c02 | bellard | if (env->kqemu_enabled) {
|
1755 | 0a962c02 | bellard | kqemu_flush(env, flush_global); |
1756 | 0a962c02 | bellard | } |
1757 | 0a962c02 | bellard | #endif
|
1758 | e3db7226 | bellard | tlb_flush_count++; |
1759 | 33417e70 | bellard | } |
1760 | 33417e70 | bellard | |
1761 | 274da6b2 | bellard | static inline void tlb_flush_entry(CPUTLBEntry *tlb_entry, target_ulong addr) |
1762 | 61382a50 | bellard | { |
1763 | 5fafdf24 | ths | if (addr == (tlb_entry->addr_read &
|
1764 | 84b7b8e7 | bellard | (TARGET_PAGE_MASK | TLB_INVALID_MASK)) || |
1765 | 5fafdf24 | ths | addr == (tlb_entry->addr_write & |
1766 | 84b7b8e7 | bellard | (TARGET_PAGE_MASK | TLB_INVALID_MASK)) || |
1767 | 5fafdf24 | ths | addr == (tlb_entry->addr_code & |
1768 | 84b7b8e7 | bellard | (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { |
1769 | 84b7b8e7 | bellard | tlb_entry->addr_read = -1;
|
1770 | 84b7b8e7 | bellard | tlb_entry->addr_write = -1;
|
1771 | 84b7b8e7 | bellard | tlb_entry->addr_code = -1;
|
1772 | 84b7b8e7 | bellard | } |
1773 | 61382a50 | bellard | } |
1774 | 61382a50 | bellard | |
1775 | 2e12669a | bellard | void tlb_flush_page(CPUState *env, target_ulong addr)
|
1776 | 33417e70 | bellard | { |
1777 | 8a40a180 | bellard | int i;
|
1778 | 0124311e | bellard | |
1779 | 9fa3e853 | bellard | #if defined(DEBUG_TLB)
|
1780 | 108c49b8 | bellard | printf("tlb_flush_page: " TARGET_FMT_lx "\n", addr); |
1781 | 9fa3e853 | bellard | #endif
|
1782 | 0124311e | bellard | /* must reset current TB so that interrupts cannot modify the
|
1783 | 0124311e | bellard | links while we are modifying them */
|
1784 | 0124311e | bellard | env->current_tb = NULL;
|
1785 | 61382a50 | bellard | |
1786 | 61382a50 | bellard | addr &= TARGET_PAGE_MASK; |
1787 | 61382a50 | bellard | i = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
|
1788 | 84b7b8e7 | bellard | tlb_flush_entry(&env->tlb_table[0][i], addr);
|
1789 | 84b7b8e7 | bellard | tlb_flush_entry(&env->tlb_table[1][i], addr);
|
1790 | 6fa4cea9 | j_mayer | #if (NB_MMU_MODES >= 3) |
1791 | 6fa4cea9 | j_mayer | tlb_flush_entry(&env->tlb_table[2][i], addr);
|
1792 | e37e6ee6 | aurel32 | #endif
|
1793 | e37e6ee6 | aurel32 | #if (NB_MMU_MODES >= 4) |
1794 | 6fa4cea9 | j_mayer | tlb_flush_entry(&env->tlb_table[3][i], addr);
|
1795 | 6fa4cea9 | j_mayer | #endif
|
1796 | e37e6ee6 | aurel32 | #if (NB_MMU_MODES >= 5) |
1797 | e37e6ee6 | aurel32 | tlb_flush_entry(&env->tlb_table[4][i], addr);
|
1798 | 6fa4cea9 | j_mayer | #endif
|
1799 | 0124311e | bellard | |
1800 | 5c751e99 | edgar_igl | tlb_flush_jmp_cache(env, addr); |
1801 | 9fa3e853 | bellard | |
1802 | 0a962c02 | bellard | #ifdef USE_KQEMU
|
1803 | 0a962c02 | bellard | if (env->kqemu_enabled) {
|
1804 | 0a962c02 | bellard | kqemu_flush_page(env, addr); |
1805 | 0a962c02 | bellard | } |
1806 | 0a962c02 | bellard | #endif
|
1807 | 9fa3e853 | bellard | } |
1808 | 9fa3e853 | bellard | |
1809 | 9fa3e853 | bellard | /* update the TLBs so that writes to code in the virtual page 'addr'
|
1810 | 9fa3e853 | bellard | can be detected */
|
1811 | 6a00d601 | bellard | static void tlb_protect_code(ram_addr_t ram_addr) |
1812 | 9fa3e853 | bellard | { |
1813 | 5fafdf24 | ths | cpu_physical_memory_reset_dirty(ram_addr, |
1814 | 6a00d601 | bellard | ram_addr + TARGET_PAGE_SIZE, |
1815 | 6a00d601 | bellard | CODE_DIRTY_FLAG); |
1816 | 9fa3e853 | bellard | } |
1817 | 9fa3e853 | bellard | |
1818 | 9fa3e853 | bellard | /* update the TLB so that writes in physical page 'phys_addr' are no longer
|
1819 | 3a7d929e | bellard | tested for self modifying code */
|
1820 | 5fafdf24 | ths | static void tlb_unprotect_code_phys(CPUState *env, ram_addr_t ram_addr, |
1821 | 3a7d929e | bellard | target_ulong vaddr) |
1822 | 9fa3e853 | bellard | { |
1823 | 3a7d929e | bellard | phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] |= CODE_DIRTY_FLAG; |
1824 | 1ccde1cb | bellard | } |
1825 | 1ccde1cb | bellard | |
1826 | 5fafdf24 | ths | static inline void tlb_reset_dirty_range(CPUTLBEntry *tlb_entry, |
1827 | 1ccde1cb | bellard | unsigned long start, unsigned long length) |
1828 | 1ccde1cb | bellard | { |
1829 | 1ccde1cb | bellard | unsigned long addr; |
1830 | 84b7b8e7 | bellard | if ((tlb_entry->addr_write & ~TARGET_PAGE_MASK) == IO_MEM_RAM) {
|
1831 | 84b7b8e7 | bellard | addr = (tlb_entry->addr_write & TARGET_PAGE_MASK) + tlb_entry->addend; |
1832 | 1ccde1cb | bellard | if ((addr - start) < length) {
|
1833 | 0f459d16 | pbrook | tlb_entry->addr_write = (tlb_entry->addr_write & TARGET_PAGE_MASK) | TLB_NOTDIRTY; |
1834 | 1ccde1cb | bellard | } |
1835 | 1ccde1cb | bellard | } |
1836 | 1ccde1cb | bellard | } |
1837 | 1ccde1cb | bellard | |
1838 | 3a7d929e | bellard | void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
|
1839 | 0a962c02 | bellard | int dirty_flags)
|
1840 | 1ccde1cb | bellard | { |
1841 | 1ccde1cb | bellard | CPUState *env; |
1842 | 4f2ac237 | bellard | unsigned long length, start1; |
1843 | 0a962c02 | bellard | int i, mask, len;
|
1844 | 0a962c02 | bellard | uint8_t *p; |
1845 | 1ccde1cb | bellard | |
1846 | 1ccde1cb | bellard | start &= TARGET_PAGE_MASK; |
1847 | 1ccde1cb | bellard | end = TARGET_PAGE_ALIGN(end); |
1848 | 1ccde1cb | bellard | |
1849 | 1ccde1cb | bellard | length = end - start; |
1850 | 1ccde1cb | bellard | if (length == 0) |
1851 | 1ccde1cb | bellard | return;
|
1852 | 0a962c02 | bellard | len = length >> TARGET_PAGE_BITS; |
1853 | 3a7d929e | bellard | #ifdef USE_KQEMU
|
1854 | 6a00d601 | bellard | /* XXX: should not depend on cpu context */
|
1855 | 6a00d601 | bellard | env = first_cpu; |
1856 | 3a7d929e | bellard | if (env->kqemu_enabled) {
|
1857 | f23db169 | bellard | ram_addr_t addr; |
1858 | f23db169 | bellard | addr = start; |
1859 | f23db169 | bellard | for(i = 0; i < len; i++) { |
1860 | f23db169 | bellard | kqemu_set_notdirty(env, addr); |
1861 | f23db169 | bellard | addr += TARGET_PAGE_SIZE; |
1862 | f23db169 | bellard | } |
1863 | 3a7d929e | bellard | } |
1864 | 3a7d929e | bellard | #endif
|
1865 | f23db169 | bellard | mask = ~dirty_flags; |
1866 | f23db169 | bellard | p = phys_ram_dirty + (start >> TARGET_PAGE_BITS); |
1867 | f23db169 | bellard | for(i = 0; i < len; i++) |
1868 | f23db169 | bellard | p[i] &= mask; |
1869 | f23db169 | bellard | |
1870 | 1ccde1cb | bellard | /* we modify the TLB cache so that the dirty bit will be set again
|
1871 | 1ccde1cb | bellard | when accessing the range */
|
1872 | 59817ccb | bellard | start1 = start + (unsigned long)phys_ram_base; |
1873 | 6a00d601 | bellard | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
1874 | 6a00d601 | bellard | for(i = 0; i < CPU_TLB_SIZE; i++) |
1875 | 84b7b8e7 | bellard | tlb_reset_dirty_range(&env->tlb_table[0][i], start1, length);
|
1876 | 6a00d601 | bellard | for(i = 0; i < CPU_TLB_SIZE; i++) |
1877 | 84b7b8e7 | bellard | tlb_reset_dirty_range(&env->tlb_table[1][i], start1, length);
|
1878 | 6fa4cea9 | j_mayer | #if (NB_MMU_MODES >= 3) |
1879 | 6fa4cea9 | j_mayer | for(i = 0; i < CPU_TLB_SIZE; i++) |
1880 | 6fa4cea9 | j_mayer | tlb_reset_dirty_range(&env->tlb_table[2][i], start1, length);
|
1881 | e37e6ee6 | aurel32 | #endif
|
1882 | e37e6ee6 | aurel32 | #if (NB_MMU_MODES >= 4) |
1883 | 6fa4cea9 | j_mayer | for(i = 0; i < CPU_TLB_SIZE; i++) |
1884 | 6fa4cea9 | j_mayer | tlb_reset_dirty_range(&env->tlb_table[3][i], start1, length);
|
1885 | 6fa4cea9 | j_mayer | #endif
|
1886 | e37e6ee6 | aurel32 | #if (NB_MMU_MODES >= 5) |
1887 | e37e6ee6 | aurel32 | for(i = 0; i < CPU_TLB_SIZE; i++) |
1888 | e37e6ee6 | aurel32 | tlb_reset_dirty_range(&env->tlb_table[4][i], start1, length);
|
1889 | 6fa4cea9 | j_mayer | #endif
|
1890 | 6a00d601 | bellard | } |
1891 | 1ccde1cb | bellard | } |
1892 | 1ccde1cb | bellard | |
1893 | 74576198 | aliguori | int cpu_physical_memory_set_dirty_tracking(int enable) |
1894 | 74576198 | aliguori | { |
1895 | 74576198 | aliguori | in_migration = enable; |
1896 | 74576198 | aliguori | return 0; |
1897 | 74576198 | aliguori | } |
1898 | 74576198 | aliguori | |
1899 | 74576198 | aliguori | int cpu_physical_memory_get_dirty_tracking(void) |
1900 | 74576198 | aliguori | { |
1901 | 74576198 | aliguori | return in_migration;
|
1902 | 74576198 | aliguori | } |
1903 | 74576198 | aliguori | |
1904 | 2bec46dc | aliguori | void cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, target_phys_addr_t end_addr)
|
1905 | 2bec46dc | aliguori | { |
1906 | 2bec46dc | aliguori | if (kvm_enabled())
|
1907 | 2bec46dc | aliguori | kvm_physical_sync_dirty_bitmap(start_addr, end_addr); |
1908 | 2bec46dc | aliguori | } |
1909 | 2bec46dc | aliguori | |
1910 | 3a7d929e | bellard | static inline void tlb_update_dirty(CPUTLBEntry *tlb_entry) |
1911 | 3a7d929e | bellard | { |
1912 | 3a7d929e | bellard | ram_addr_t ram_addr; |
1913 | 3a7d929e | bellard | |
1914 | 84b7b8e7 | bellard | if ((tlb_entry->addr_write & ~TARGET_PAGE_MASK) == IO_MEM_RAM) {
|
1915 | 5fafdf24 | ths | ram_addr = (tlb_entry->addr_write & TARGET_PAGE_MASK) + |
1916 | 3a7d929e | bellard | tlb_entry->addend - (unsigned long)phys_ram_base; |
1917 | 3a7d929e | bellard | if (!cpu_physical_memory_is_dirty(ram_addr)) {
|
1918 | 0f459d16 | pbrook | tlb_entry->addr_write |= TLB_NOTDIRTY; |
1919 | 3a7d929e | bellard | } |
1920 | 3a7d929e | bellard | } |
1921 | 3a7d929e | bellard | } |
1922 | 3a7d929e | bellard | |
1923 | 3a7d929e | bellard | /* update the TLB according to the current state of the dirty bits */
|
1924 | 3a7d929e | bellard | void cpu_tlb_update_dirty(CPUState *env)
|
1925 | 3a7d929e | bellard | { |
1926 | 3a7d929e | bellard | int i;
|
1927 | 3a7d929e | bellard | for(i = 0; i < CPU_TLB_SIZE; i++) |
1928 | 84b7b8e7 | bellard | tlb_update_dirty(&env->tlb_table[0][i]);
|
1929 | 3a7d929e | bellard | for(i = 0; i < CPU_TLB_SIZE; i++) |
1930 | 84b7b8e7 | bellard | tlb_update_dirty(&env->tlb_table[1][i]);
|
1931 | 6fa4cea9 | j_mayer | #if (NB_MMU_MODES >= 3) |
1932 | 6fa4cea9 | j_mayer | for(i = 0; i < CPU_TLB_SIZE; i++) |
1933 | 6fa4cea9 | j_mayer | tlb_update_dirty(&env->tlb_table[2][i]);
|
1934 | e37e6ee6 | aurel32 | #endif
|
1935 | e37e6ee6 | aurel32 | #if (NB_MMU_MODES >= 4) |
1936 | 6fa4cea9 | j_mayer | for(i = 0; i < CPU_TLB_SIZE; i++) |
1937 | 6fa4cea9 | j_mayer | tlb_update_dirty(&env->tlb_table[3][i]);
|
1938 | 6fa4cea9 | j_mayer | #endif
|
1939 | e37e6ee6 | aurel32 | #if (NB_MMU_MODES >= 5) |
1940 | e37e6ee6 | aurel32 | for(i = 0; i < CPU_TLB_SIZE; i++) |
1941 | e37e6ee6 | aurel32 | tlb_update_dirty(&env->tlb_table[4][i]);
|
1942 | 6fa4cea9 | j_mayer | #endif
|
1943 | 3a7d929e | bellard | } |
1944 | 3a7d929e | bellard | |
1945 | 0f459d16 | pbrook | static inline void tlb_set_dirty1(CPUTLBEntry *tlb_entry, target_ulong vaddr) |
1946 | 1ccde1cb | bellard | { |
1947 | 0f459d16 | pbrook | if (tlb_entry->addr_write == (vaddr | TLB_NOTDIRTY))
|
1948 | 0f459d16 | pbrook | tlb_entry->addr_write = vaddr; |
1949 | 1ccde1cb | bellard | } |
1950 | 1ccde1cb | bellard | |
1951 | 0f459d16 | pbrook | /* update the TLB corresponding to virtual page vaddr
|
1952 | 0f459d16 | pbrook | so that it is no longer dirty */
|
1953 | 0f459d16 | pbrook | static inline void tlb_set_dirty(CPUState *env, target_ulong vaddr) |
1954 | 1ccde1cb | bellard | { |
1955 | 1ccde1cb | bellard | int i;
|
1956 | 1ccde1cb | bellard | |
1957 | 0f459d16 | pbrook | vaddr &= TARGET_PAGE_MASK; |
1958 | 1ccde1cb | bellard | i = (vaddr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
|
1959 | 0f459d16 | pbrook | tlb_set_dirty1(&env->tlb_table[0][i], vaddr);
|
1960 | 0f459d16 | pbrook | tlb_set_dirty1(&env->tlb_table[1][i], vaddr);
|
1961 | 6fa4cea9 | j_mayer | #if (NB_MMU_MODES >= 3) |
1962 | 0f459d16 | pbrook | tlb_set_dirty1(&env->tlb_table[2][i], vaddr);
|
1963 | e37e6ee6 | aurel32 | #endif
|
1964 | e37e6ee6 | aurel32 | #if (NB_MMU_MODES >= 4) |
1965 | 0f459d16 | pbrook | tlb_set_dirty1(&env->tlb_table[3][i], vaddr);
|
1966 | 6fa4cea9 | j_mayer | #endif
|
1967 | e37e6ee6 | aurel32 | #if (NB_MMU_MODES >= 5) |
1968 | e37e6ee6 | aurel32 | tlb_set_dirty1(&env->tlb_table[4][i], vaddr);
|
1969 | 6fa4cea9 | j_mayer | #endif
|
1970 | 9fa3e853 | bellard | } |
1971 | 9fa3e853 | bellard | |
1972 | 59817ccb | bellard | /* add a new TLB entry. At most one entry for a given virtual address
|
1973 | 59817ccb | bellard | is permitted. Return 0 if OK or 2 if the page could not be mapped
|
1974 | 59817ccb | bellard | (can only happen in non SOFTMMU mode for I/O pages or pages
|
1975 | 59817ccb | bellard | conflicting with the host address space). */
|
1976 | 5fafdf24 | ths | int tlb_set_page_exec(CPUState *env, target_ulong vaddr,
|
1977 | 5fafdf24 | ths | target_phys_addr_t paddr, int prot,
|
1978 | 6ebbf390 | j_mayer | int mmu_idx, int is_softmmu) |
1979 | 9fa3e853 | bellard | { |
1980 | 92e873b9 | bellard | PhysPageDesc *p; |
1981 | 4f2ac237 | bellard | unsigned long pd; |
1982 | 9fa3e853 | bellard | unsigned int index; |
1983 | 4f2ac237 | bellard | target_ulong address; |
1984 | 0f459d16 | pbrook | target_ulong code_address; |
1985 | 108c49b8 | bellard | target_phys_addr_t addend; |
1986 | 9fa3e853 | bellard | int ret;
|
1987 | 84b7b8e7 | bellard | CPUTLBEntry *te; |
1988 | a1d1bb31 | aliguori | CPUWatchpoint *wp; |
1989 | 0f459d16 | pbrook | target_phys_addr_t iotlb; |
1990 | 9fa3e853 | bellard | |
1991 | 92e873b9 | bellard | p = phys_page_find(paddr >> TARGET_PAGE_BITS); |
1992 | 9fa3e853 | bellard | if (!p) {
|
1993 | 9fa3e853 | bellard | pd = IO_MEM_UNASSIGNED; |
1994 | 9fa3e853 | bellard | } else {
|
1995 | 9fa3e853 | bellard | pd = p->phys_offset; |
1996 | 9fa3e853 | bellard | } |
1997 | 9fa3e853 | bellard | #if defined(DEBUG_TLB)
|
1998 | 6ebbf390 | j_mayer | printf("tlb_set_page: vaddr=" TARGET_FMT_lx " paddr=0x%08x prot=%x idx=%d smmu=%d pd=0x%08lx\n", |
1999 | 6ebbf390 | j_mayer | vaddr, (int)paddr, prot, mmu_idx, is_softmmu, pd);
|
2000 | 9fa3e853 | bellard | #endif
|
2001 | 9fa3e853 | bellard | |
2002 | 9fa3e853 | bellard | ret = 0;
|
2003 | 0f459d16 | pbrook | address = vaddr; |
2004 | 0f459d16 | pbrook | if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM && !(pd & IO_MEM_ROMD)) {
|
2005 | 0f459d16 | pbrook | /* IO memory case (romd handled later) */
|
2006 | 0f459d16 | pbrook | address |= TLB_MMIO; |
2007 | 0f459d16 | pbrook | } |
2008 | 0f459d16 | pbrook | addend = (unsigned long)phys_ram_base + (pd & TARGET_PAGE_MASK); |
2009 | 0f459d16 | pbrook | if ((pd & ~TARGET_PAGE_MASK) <= IO_MEM_ROM) {
|
2010 | 0f459d16 | pbrook | /* Normal RAM. */
|
2011 | 0f459d16 | pbrook | iotlb = pd & TARGET_PAGE_MASK; |
2012 | 0f459d16 | pbrook | if ((pd & ~TARGET_PAGE_MASK) == IO_MEM_RAM)
|
2013 | 0f459d16 | pbrook | iotlb |= IO_MEM_NOTDIRTY; |
2014 | 0f459d16 | pbrook | else
|
2015 | 0f459d16 | pbrook | iotlb |= IO_MEM_ROM; |
2016 | 0f459d16 | pbrook | } else {
|
2017 | 0f459d16 | pbrook | /* IO handlers are currently passed a phsical address.
|
2018 | 0f459d16 | pbrook | It would be nice to pass an offset from the base address
|
2019 | 0f459d16 | pbrook | of that region. This would avoid having to special case RAM,
|
2020 | 0f459d16 | pbrook | and avoid full address decoding in every device.
|
2021 | 0f459d16 | pbrook | We can't use the high bits of pd for this because
|
2022 | 0f459d16 | pbrook | IO_MEM_ROMD uses these as a ram address. */
|
2023 | 8da3ff18 | pbrook | iotlb = (pd & ~TARGET_PAGE_MASK); |
2024 | 8da3ff18 | pbrook | if (p) {
|
2025 | 8da3ff18 | pbrook | iotlb += p->region_offset; |
2026 | 8da3ff18 | pbrook | } else {
|
2027 | 8da3ff18 | pbrook | iotlb += paddr; |
2028 | 8da3ff18 | pbrook | } |
2029 | 0f459d16 | pbrook | } |
2030 | 0f459d16 | pbrook | |
2031 | 0f459d16 | pbrook | code_address = address; |
2032 | 0f459d16 | pbrook | /* Make accesses to pages with watchpoints go via the
|
2033 | 0f459d16 | pbrook | watchpoint trap routines. */
|
2034 | c0ce998e | aliguori | TAILQ_FOREACH(wp, &env->watchpoints, entry) { |
2035 | a1d1bb31 | aliguori | if (vaddr == (wp->vaddr & TARGET_PAGE_MASK)) {
|
2036 | 0f459d16 | pbrook | iotlb = io_mem_watch + paddr; |
2037 | 0f459d16 | pbrook | /* TODO: The memory case can be optimized by not trapping
|
2038 | 0f459d16 | pbrook | reads of pages with a write breakpoint. */
|
2039 | 0f459d16 | pbrook | address |= TLB_MMIO; |
2040 | 6658ffb8 | pbrook | } |
2041 | 0f459d16 | pbrook | } |
2042 | d79acba4 | balrog | |
2043 | 0f459d16 | pbrook | index = (vaddr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
|
2044 | 0f459d16 | pbrook | env->iotlb[mmu_idx][index] = iotlb - vaddr; |
2045 | 0f459d16 | pbrook | te = &env->tlb_table[mmu_idx][index]; |
2046 | 0f459d16 | pbrook | te->addend = addend - vaddr; |
2047 | 0f459d16 | pbrook | if (prot & PAGE_READ) {
|
2048 | 0f459d16 | pbrook | te->addr_read = address; |
2049 | 0f459d16 | pbrook | } else {
|
2050 | 0f459d16 | pbrook | te->addr_read = -1;
|
2051 | 0f459d16 | pbrook | } |
2052 | 5c751e99 | edgar_igl | |
2053 | 0f459d16 | pbrook | if (prot & PAGE_EXEC) {
|
2054 | 0f459d16 | pbrook | te->addr_code = code_address; |
2055 | 0f459d16 | pbrook | } else {
|
2056 | 0f459d16 | pbrook | te->addr_code = -1;
|
2057 | 0f459d16 | pbrook | } |
2058 | 0f459d16 | pbrook | if (prot & PAGE_WRITE) {
|
2059 | 0f459d16 | pbrook | if ((pd & ~TARGET_PAGE_MASK) == IO_MEM_ROM ||
|
2060 | 0f459d16 | pbrook | (pd & IO_MEM_ROMD)) { |
2061 | 0f459d16 | pbrook | /* Write access calls the I/O callback. */
|
2062 | 0f459d16 | pbrook | te->addr_write = address | TLB_MMIO; |
2063 | 0f459d16 | pbrook | } else if ((pd & ~TARGET_PAGE_MASK) == IO_MEM_RAM && |
2064 | 0f459d16 | pbrook | !cpu_physical_memory_is_dirty(pd)) { |
2065 | 0f459d16 | pbrook | te->addr_write = address | TLB_NOTDIRTY; |
2066 | 9fa3e853 | bellard | } else {
|
2067 | 0f459d16 | pbrook | te->addr_write = address; |
2068 | 9fa3e853 | bellard | } |
2069 | 0f459d16 | pbrook | } else {
|
2070 | 0f459d16 | pbrook | te->addr_write = -1;
|
2071 | 9fa3e853 | bellard | } |
2072 | 9fa3e853 | bellard | return ret;
|
2073 | 9fa3e853 | bellard | } |
2074 | 9fa3e853 | bellard | |
2075 | 0124311e | bellard | #else
|
2076 | 0124311e | bellard | |
2077 | ee8b7021 | bellard | void tlb_flush(CPUState *env, int flush_global) |
2078 | 0124311e | bellard | { |
2079 | 0124311e | bellard | } |
2080 | 0124311e | bellard | |
2081 | 2e12669a | bellard | void tlb_flush_page(CPUState *env, target_ulong addr)
|
2082 | 0124311e | bellard | { |
2083 | 0124311e | bellard | } |
2084 | 0124311e | bellard | |
2085 | 5fafdf24 | ths | int tlb_set_page_exec(CPUState *env, target_ulong vaddr,
|
2086 | 5fafdf24 | ths | target_phys_addr_t paddr, int prot,
|
2087 | 6ebbf390 | j_mayer | int mmu_idx, int is_softmmu) |
2088 | 9fa3e853 | bellard | { |
2089 | 9fa3e853 | bellard | return 0; |
2090 | 9fa3e853 | bellard | } |
2091 | 0124311e | bellard | |
2092 | 9fa3e853 | bellard | /* dump memory mappings */
|
2093 | 9fa3e853 | bellard | void page_dump(FILE *f)
|
2094 | 33417e70 | bellard | { |
2095 | 9fa3e853 | bellard | unsigned long start, end; |
2096 | 9fa3e853 | bellard | int i, j, prot, prot1;
|
2097 | 9fa3e853 | bellard | PageDesc *p; |
2098 | 33417e70 | bellard | |
2099 | 9fa3e853 | bellard | fprintf(f, "%-8s %-8s %-8s %s\n",
|
2100 | 9fa3e853 | bellard | "start", "end", "size", "prot"); |
2101 | 9fa3e853 | bellard | start = -1;
|
2102 | 9fa3e853 | bellard | end = -1;
|
2103 | 9fa3e853 | bellard | prot = 0;
|
2104 | 9fa3e853 | bellard | for(i = 0; i <= L1_SIZE; i++) { |
2105 | 9fa3e853 | bellard | if (i < L1_SIZE)
|
2106 | 9fa3e853 | bellard | p = l1_map[i]; |
2107 | 9fa3e853 | bellard | else
|
2108 | 9fa3e853 | bellard | p = NULL;
|
2109 | 9fa3e853 | bellard | for(j = 0;j < L2_SIZE; j++) { |
2110 | 9fa3e853 | bellard | if (!p)
|
2111 | 9fa3e853 | bellard | prot1 = 0;
|
2112 | 9fa3e853 | bellard | else
|
2113 | 9fa3e853 | bellard | prot1 = p[j].flags; |
2114 | 9fa3e853 | bellard | if (prot1 != prot) {
|
2115 | 9fa3e853 | bellard | end = (i << (32 - L1_BITS)) | (j << TARGET_PAGE_BITS);
|
2116 | 9fa3e853 | bellard | if (start != -1) { |
2117 | 9fa3e853 | bellard | fprintf(f, "%08lx-%08lx %08lx %c%c%c\n",
|
2118 | 5fafdf24 | ths | start, end, end - start, |
2119 | 9fa3e853 | bellard | prot & PAGE_READ ? 'r' : '-', |
2120 | 9fa3e853 | bellard | prot & PAGE_WRITE ? 'w' : '-', |
2121 | 9fa3e853 | bellard | prot & PAGE_EXEC ? 'x' : '-'); |
2122 | 9fa3e853 | bellard | } |
2123 | 9fa3e853 | bellard | if (prot1 != 0) |
2124 | 9fa3e853 | bellard | start = end; |
2125 | 9fa3e853 | bellard | else
|
2126 | 9fa3e853 | bellard | start = -1;
|
2127 | 9fa3e853 | bellard | prot = prot1; |
2128 | 9fa3e853 | bellard | } |
2129 | 9fa3e853 | bellard | if (!p)
|
2130 | 9fa3e853 | bellard | break;
|
2131 | 9fa3e853 | bellard | } |
2132 | 33417e70 | bellard | } |
2133 | 33417e70 | bellard | } |
2134 | 33417e70 | bellard | |
2135 | 53a5960a | pbrook | int page_get_flags(target_ulong address)
|
2136 | 33417e70 | bellard | { |
2137 | 9fa3e853 | bellard | PageDesc *p; |
2138 | 9fa3e853 | bellard | |
2139 | 9fa3e853 | bellard | p = page_find(address >> TARGET_PAGE_BITS); |
2140 | 33417e70 | bellard | if (!p)
|
2141 | 9fa3e853 | bellard | return 0; |
2142 | 9fa3e853 | bellard | return p->flags;
|
2143 | 9fa3e853 | bellard | } |
2144 | 9fa3e853 | bellard | |
2145 | 9fa3e853 | bellard | /* modify the flags of a page and invalidate the code if
|
2146 | 9fa3e853 | bellard | necessary. The flag PAGE_WRITE_ORG is positionned automatically
|
2147 | 9fa3e853 | bellard | depending on PAGE_WRITE */
|
2148 | 53a5960a | pbrook | void page_set_flags(target_ulong start, target_ulong end, int flags) |
2149 | 9fa3e853 | bellard | { |
2150 | 9fa3e853 | bellard | PageDesc *p; |
2151 | 53a5960a | pbrook | target_ulong addr; |
2152 | 9fa3e853 | bellard | |
2153 | c8a706fe | pbrook | /* mmap_lock should already be held. */
|
2154 | 9fa3e853 | bellard | start = start & TARGET_PAGE_MASK; |
2155 | 9fa3e853 | bellard | end = TARGET_PAGE_ALIGN(end); |
2156 | 9fa3e853 | bellard | if (flags & PAGE_WRITE)
|
2157 | 9fa3e853 | bellard | flags |= PAGE_WRITE_ORG; |
2158 | 9fa3e853 | bellard | for(addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
|
2159 | 9fa3e853 | bellard | p = page_find_alloc(addr >> TARGET_PAGE_BITS); |
2160 | 17e2377a | pbrook | /* We may be called for host regions that are outside guest
|
2161 | 17e2377a | pbrook | address space. */
|
2162 | 17e2377a | pbrook | if (!p)
|
2163 | 17e2377a | pbrook | return;
|
2164 | 9fa3e853 | bellard | /* if the write protection is set, then we invalidate the code
|
2165 | 9fa3e853 | bellard | inside */
|
2166 | 5fafdf24 | ths | if (!(p->flags & PAGE_WRITE) &&
|
2167 | 9fa3e853 | bellard | (flags & PAGE_WRITE) && |
2168 | 9fa3e853 | bellard | p->first_tb) { |
2169 | d720b93d | bellard | tb_invalidate_phys_page(addr, 0, NULL); |
2170 | 9fa3e853 | bellard | } |
2171 | 9fa3e853 | bellard | p->flags = flags; |
2172 | 9fa3e853 | bellard | } |
2173 | 33417e70 | bellard | } |
2174 | 33417e70 | bellard | |
2175 | 3d97b40b | ths | int page_check_range(target_ulong start, target_ulong len, int flags) |
2176 | 3d97b40b | ths | { |
2177 | 3d97b40b | ths | PageDesc *p; |
2178 | 3d97b40b | ths | target_ulong end; |
2179 | 3d97b40b | ths | target_ulong addr; |
2180 | 3d97b40b | ths | |
2181 | 55f280c9 | balrog | if (start + len < start)
|
2182 | 55f280c9 | balrog | /* we've wrapped around */
|
2183 | 55f280c9 | balrog | return -1; |
2184 | 55f280c9 | balrog | |
2185 | 3d97b40b | ths | end = TARGET_PAGE_ALIGN(start+len); /* must do before we loose bits in the next step */
|
2186 | 3d97b40b | ths | start = start & TARGET_PAGE_MASK; |
2187 | 3d97b40b | ths | |
2188 | 3d97b40b | ths | for(addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
|
2189 | 3d97b40b | ths | p = page_find(addr >> TARGET_PAGE_BITS); |
2190 | 3d97b40b | ths | if( !p )
|
2191 | 3d97b40b | ths | return -1; |
2192 | 3d97b40b | ths | if( !(p->flags & PAGE_VALID) )
|
2193 | 3d97b40b | ths | return -1; |
2194 | 3d97b40b | ths | |
2195 | dae3270c | bellard | if ((flags & PAGE_READ) && !(p->flags & PAGE_READ))
|
2196 | 3d97b40b | ths | return -1; |
2197 | dae3270c | bellard | if (flags & PAGE_WRITE) {
|
2198 | dae3270c | bellard | if (!(p->flags & PAGE_WRITE_ORG))
|
2199 | dae3270c | bellard | return -1; |
2200 | dae3270c | bellard | /* unprotect the page if it was put read-only because it
|
2201 | dae3270c | bellard | contains translated code */
|
2202 | dae3270c | bellard | if (!(p->flags & PAGE_WRITE)) {
|
2203 | dae3270c | bellard | if (!page_unprotect(addr, 0, NULL)) |
2204 | dae3270c | bellard | return -1; |
2205 | dae3270c | bellard | } |
2206 | dae3270c | bellard | return 0; |
2207 | dae3270c | bellard | } |
2208 | 3d97b40b | ths | } |
2209 | 3d97b40b | ths | return 0; |
2210 | 3d97b40b | ths | } |
2211 | 3d97b40b | ths | |
2212 | 9fa3e853 | bellard | /* called from signal handler: invalidate the code and unprotect the
|
2213 | 9fa3e853 | bellard | page. Return TRUE if the fault was succesfully handled. */
|
2214 | 53a5960a | pbrook | int page_unprotect(target_ulong address, unsigned long pc, void *puc) |
2215 | 9fa3e853 | bellard | { |
2216 | 9fa3e853 | bellard | unsigned int page_index, prot, pindex; |
2217 | 9fa3e853 | bellard | PageDesc *p, *p1; |
2218 | 53a5960a | pbrook | target_ulong host_start, host_end, addr; |
2219 | 9fa3e853 | bellard | |
2220 | c8a706fe | pbrook | /* Technically this isn't safe inside a signal handler. However we
|
2221 | c8a706fe | pbrook | know this only ever happens in a synchronous SEGV handler, so in
|
2222 | c8a706fe | pbrook | practice it seems to be ok. */
|
2223 | c8a706fe | pbrook | mmap_lock(); |
2224 | c8a706fe | pbrook | |
2225 | 83fb7adf | bellard | host_start = address & qemu_host_page_mask; |
2226 | 9fa3e853 | bellard | page_index = host_start >> TARGET_PAGE_BITS; |
2227 | 9fa3e853 | bellard | p1 = page_find(page_index); |
2228 | c8a706fe | pbrook | if (!p1) {
|
2229 | c8a706fe | pbrook | mmap_unlock(); |
2230 | 9fa3e853 | bellard | return 0; |
2231 | c8a706fe | pbrook | } |
2232 | 83fb7adf | bellard | host_end = host_start + qemu_host_page_size; |
2233 | 9fa3e853 | bellard | p = p1; |
2234 | 9fa3e853 | bellard | prot = 0;
|
2235 | 9fa3e853 | bellard | for(addr = host_start;addr < host_end; addr += TARGET_PAGE_SIZE) {
|
2236 | 9fa3e853 | bellard | prot |= p->flags; |
2237 | 9fa3e853 | bellard | p++; |
2238 | 9fa3e853 | bellard | } |
2239 | 9fa3e853 | bellard | /* if the page was really writable, then we change its
|
2240 | 9fa3e853 | bellard | protection back to writable */
|
2241 | 9fa3e853 | bellard | if (prot & PAGE_WRITE_ORG) {
|
2242 | 9fa3e853 | bellard | pindex = (address - host_start) >> TARGET_PAGE_BITS; |
2243 | 9fa3e853 | bellard | if (!(p1[pindex].flags & PAGE_WRITE)) {
|
2244 | 5fafdf24 | ths | mprotect((void *)g2h(host_start), qemu_host_page_size,
|
2245 | 9fa3e853 | bellard | (prot & PAGE_BITS) | PAGE_WRITE); |
2246 | 9fa3e853 | bellard | p1[pindex].flags |= PAGE_WRITE; |
2247 | 9fa3e853 | bellard | /* and since the content will be modified, we must invalidate
|
2248 | 9fa3e853 | bellard | the corresponding translated code. */
|
2249 | d720b93d | bellard | tb_invalidate_phys_page(address, pc, puc); |
2250 | 9fa3e853 | bellard | #ifdef DEBUG_TB_CHECK
|
2251 | 9fa3e853 | bellard | tb_invalidate_check(address); |
2252 | 9fa3e853 | bellard | #endif
|
2253 | c8a706fe | pbrook | mmap_unlock(); |
2254 | 9fa3e853 | bellard | return 1; |
2255 | 9fa3e853 | bellard | } |
2256 | 9fa3e853 | bellard | } |
2257 | c8a706fe | pbrook | mmap_unlock(); |
2258 | 9fa3e853 | bellard | return 0; |
2259 | 9fa3e853 | bellard | } |
2260 | 9fa3e853 | bellard | |
2261 | 6a00d601 | bellard | static inline void tlb_set_dirty(CPUState *env, |
2262 | 6a00d601 | bellard | unsigned long addr, target_ulong vaddr) |
2263 | 1ccde1cb | bellard | { |
2264 | 1ccde1cb | bellard | } |
2265 | 9fa3e853 | bellard | #endif /* defined(CONFIG_USER_ONLY) */ |
2266 | 9fa3e853 | bellard | |
2267 | e2eef170 | pbrook | #if !defined(CONFIG_USER_ONLY)
|
2268 | 8da3ff18 | pbrook | |
2269 | db7b5426 | blueswir1 | static int subpage_register (subpage_t *mmio, uint32_t start, uint32_t end, |
2270 | 8da3ff18 | pbrook | ram_addr_t memory, ram_addr_t region_offset); |
2271 | 00f82b8a | aurel32 | static void *subpage_init (target_phys_addr_t base, ram_addr_t *phys, |
2272 | 8da3ff18 | pbrook | ram_addr_t orig_memory, ram_addr_t region_offset); |
2273 | db7b5426 | blueswir1 | #define CHECK_SUBPAGE(addr, start_addr, start_addr2, end_addr, end_addr2, \
|
2274 | db7b5426 | blueswir1 | need_subpage) \ |
2275 | db7b5426 | blueswir1 | do { \
|
2276 | db7b5426 | blueswir1 | if (addr > start_addr) \
|
2277 | db7b5426 | blueswir1 | start_addr2 = 0; \
|
2278 | db7b5426 | blueswir1 | else { \
|
2279 | db7b5426 | blueswir1 | start_addr2 = start_addr & ~TARGET_PAGE_MASK; \ |
2280 | db7b5426 | blueswir1 | if (start_addr2 > 0) \ |
2281 | db7b5426 | blueswir1 | need_subpage = 1; \
|
2282 | db7b5426 | blueswir1 | } \ |
2283 | db7b5426 | blueswir1 | \ |
2284 | 49e9fba2 | blueswir1 | if ((start_addr + orig_size) - addr >= TARGET_PAGE_SIZE) \
|
2285 | db7b5426 | blueswir1 | end_addr2 = TARGET_PAGE_SIZE - 1; \
|
2286 | db7b5426 | blueswir1 | else { \
|
2287 | db7b5426 | blueswir1 | end_addr2 = (start_addr + orig_size - 1) & ~TARGET_PAGE_MASK; \
|
2288 | db7b5426 | blueswir1 | if (end_addr2 < TARGET_PAGE_SIZE - 1) \ |
2289 | db7b5426 | blueswir1 | need_subpage = 1; \
|
2290 | db7b5426 | blueswir1 | } \ |
2291 | db7b5426 | blueswir1 | } while (0) |
2292 | db7b5426 | blueswir1 | |
2293 | 33417e70 | bellard | /* register physical memory. 'size' must be a multiple of the target
|
2294 | 33417e70 | bellard | page size. If (phys_offset & ~TARGET_PAGE_MASK) != 0, then it is an
|
2295 | 8da3ff18 | pbrook | io memory page. The address used when calling the IO function is
|
2296 | 8da3ff18 | pbrook | the offset from the start of the region, plus region_offset. Both
|
2297 | 8da3ff18 | pbrook | start_region and regon_offset are rounded down to a page boundary
|
2298 | 8da3ff18 | pbrook | before calculating this offset. This should not be a problem unless
|
2299 | 8da3ff18 | pbrook | the low bits of start_addr and region_offset differ. */
|
2300 | 8da3ff18 | pbrook | void cpu_register_physical_memory_offset(target_phys_addr_t start_addr,
|
2301 | 8da3ff18 | pbrook | ram_addr_t size, |
2302 | 8da3ff18 | pbrook | ram_addr_t phys_offset, |
2303 | 8da3ff18 | pbrook | ram_addr_t region_offset) |
2304 | 33417e70 | bellard | { |
2305 | 108c49b8 | bellard | target_phys_addr_t addr, end_addr; |
2306 | 92e873b9 | bellard | PhysPageDesc *p; |
2307 | 9d42037b | bellard | CPUState *env; |
2308 | 00f82b8a | aurel32 | ram_addr_t orig_size = size; |
2309 | db7b5426 | blueswir1 | void *subpage;
|
2310 | 33417e70 | bellard | |
2311 | da260249 | bellard | #ifdef USE_KQEMU
|
2312 | da260249 | bellard | /* XXX: should not depend on cpu context */
|
2313 | da260249 | bellard | env = first_cpu; |
2314 | da260249 | bellard | if (env->kqemu_enabled) {
|
2315 | da260249 | bellard | kqemu_set_phys_mem(start_addr, size, phys_offset); |
2316 | da260249 | bellard | } |
2317 | da260249 | bellard | #endif
|
2318 | 7ba1e619 | aliguori | if (kvm_enabled())
|
2319 | 7ba1e619 | aliguori | kvm_set_phys_mem(start_addr, size, phys_offset); |
2320 | 7ba1e619 | aliguori | |
2321 | 67c4d23c | pbrook | if (phys_offset == IO_MEM_UNASSIGNED) {
|
2322 | 67c4d23c | pbrook | region_offset = start_addr; |
2323 | 67c4d23c | pbrook | } |
2324 | 8da3ff18 | pbrook | region_offset &= TARGET_PAGE_MASK; |
2325 | 5fd386f6 | bellard | size = (size + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
|
2326 | 49e9fba2 | blueswir1 | end_addr = start_addr + (target_phys_addr_t)size; |
2327 | 49e9fba2 | blueswir1 | for(addr = start_addr; addr != end_addr; addr += TARGET_PAGE_SIZE) {
|
2328 | db7b5426 | blueswir1 | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
2329 | db7b5426 | blueswir1 | if (p && p->phys_offset != IO_MEM_UNASSIGNED) {
|
2330 | 00f82b8a | aurel32 | ram_addr_t orig_memory = p->phys_offset; |
2331 | db7b5426 | blueswir1 | target_phys_addr_t start_addr2, end_addr2; |
2332 | db7b5426 | blueswir1 | int need_subpage = 0; |
2333 | db7b5426 | blueswir1 | |
2334 | db7b5426 | blueswir1 | CHECK_SUBPAGE(addr, start_addr, start_addr2, end_addr, end_addr2, |
2335 | db7b5426 | blueswir1 | need_subpage); |
2336 | 4254fab8 | blueswir1 | if (need_subpage || phys_offset & IO_MEM_SUBWIDTH) {
|
2337 | db7b5426 | blueswir1 | if (!(orig_memory & IO_MEM_SUBPAGE)) {
|
2338 | db7b5426 | blueswir1 | subpage = subpage_init((addr & TARGET_PAGE_MASK), |
2339 | 8da3ff18 | pbrook | &p->phys_offset, orig_memory, |
2340 | 8da3ff18 | pbrook | p->region_offset); |
2341 | db7b5426 | blueswir1 | } else {
|
2342 | db7b5426 | blueswir1 | subpage = io_mem_opaque[(orig_memory & ~TARGET_PAGE_MASK) |
2343 | db7b5426 | blueswir1 | >> IO_MEM_SHIFT]; |
2344 | db7b5426 | blueswir1 | } |
2345 | 8da3ff18 | pbrook | subpage_register(subpage, start_addr2, end_addr2, phys_offset, |
2346 | 8da3ff18 | pbrook | region_offset); |
2347 | 8da3ff18 | pbrook | p->region_offset = 0;
|
2348 | db7b5426 | blueswir1 | } else {
|
2349 | db7b5426 | blueswir1 | p->phys_offset = phys_offset; |
2350 | db7b5426 | blueswir1 | if ((phys_offset & ~TARGET_PAGE_MASK) <= IO_MEM_ROM ||
|
2351 | db7b5426 | blueswir1 | (phys_offset & IO_MEM_ROMD)) |
2352 | db7b5426 | blueswir1 | phys_offset += TARGET_PAGE_SIZE; |
2353 | db7b5426 | blueswir1 | } |
2354 | db7b5426 | blueswir1 | } else {
|
2355 | db7b5426 | blueswir1 | p = phys_page_find_alloc(addr >> TARGET_PAGE_BITS, 1);
|
2356 | db7b5426 | blueswir1 | p->phys_offset = phys_offset; |
2357 | 8da3ff18 | pbrook | p->region_offset = region_offset; |
2358 | db7b5426 | blueswir1 | if ((phys_offset & ~TARGET_PAGE_MASK) <= IO_MEM_ROM ||
|
2359 | 8da3ff18 | pbrook | (phys_offset & IO_MEM_ROMD)) { |
2360 | db7b5426 | blueswir1 | phys_offset += TARGET_PAGE_SIZE; |
2361 | 0e8f0967 | pbrook | } else {
|
2362 | db7b5426 | blueswir1 | target_phys_addr_t start_addr2, end_addr2; |
2363 | db7b5426 | blueswir1 | int need_subpage = 0; |
2364 | db7b5426 | blueswir1 | |
2365 | db7b5426 | blueswir1 | CHECK_SUBPAGE(addr, start_addr, start_addr2, end_addr, |
2366 | db7b5426 | blueswir1 | end_addr2, need_subpage); |
2367 | db7b5426 | blueswir1 | |
2368 | 4254fab8 | blueswir1 | if (need_subpage || phys_offset & IO_MEM_SUBWIDTH) {
|
2369 | db7b5426 | blueswir1 | subpage = subpage_init((addr & TARGET_PAGE_MASK), |
2370 | 8da3ff18 | pbrook | &p->phys_offset, IO_MEM_UNASSIGNED, |
2371 | 67c4d23c | pbrook | addr & TARGET_PAGE_MASK); |
2372 | db7b5426 | blueswir1 | subpage_register(subpage, start_addr2, end_addr2, |
2373 | 8da3ff18 | pbrook | phys_offset, region_offset); |
2374 | 8da3ff18 | pbrook | p->region_offset = 0;
|
2375 | db7b5426 | blueswir1 | } |
2376 | db7b5426 | blueswir1 | } |
2377 | db7b5426 | blueswir1 | } |
2378 | 8da3ff18 | pbrook | region_offset += TARGET_PAGE_SIZE; |
2379 | 33417e70 | bellard | } |
2380 | 3b46e624 | ths | |
2381 | 9d42037b | bellard | /* since each CPU stores ram addresses in its TLB cache, we must
|
2382 | 9d42037b | bellard | reset the modified entries */
|
2383 | 9d42037b | bellard | /* XXX: slow ! */
|
2384 | 9d42037b | bellard | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
2385 | 9d42037b | bellard | tlb_flush(env, 1);
|
2386 | 9d42037b | bellard | } |
2387 | 33417e70 | bellard | } |
2388 | 33417e70 | bellard | |
2389 | ba863458 | bellard | /* XXX: temporary until new memory mapping API */
|
2390 | 00f82b8a | aurel32 | ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr) |
2391 | ba863458 | bellard | { |
2392 | ba863458 | bellard | PhysPageDesc *p; |
2393 | ba863458 | bellard | |
2394 | ba863458 | bellard | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
2395 | ba863458 | bellard | if (!p)
|
2396 | ba863458 | bellard | return IO_MEM_UNASSIGNED;
|
2397 | ba863458 | bellard | return p->phys_offset;
|
2398 | ba863458 | bellard | } |
2399 | ba863458 | bellard | |
2400 | f65ed4c1 | aliguori | void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size)
|
2401 | f65ed4c1 | aliguori | { |
2402 | f65ed4c1 | aliguori | if (kvm_enabled())
|
2403 | f65ed4c1 | aliguori | kvm_coalesce_mmio_region(addr, size); |
2404 | f65ed4c1 | aliguori | } |
2405 | f65ed4c1 | aliguori | |
2406 | f65ed4c1 | aliguori | void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size)
|
2407 | f65ed4c1 | aliguori | { |
2408 | f65ed4c1 | aliguori | if (kvm_enabled())
|
2409 | f65ed4c1 | aliguori | kvm_uncoalesce_mmio_region(addr, size); |
2410 | f65ed4c1 | aliguori | } |
2411 | f65ed4c1 | aliguori | |
2412 | e9a1ab19 | bellard | /* XXX: better than nothing */
|
2413 | 00f82b8a | aurel32 | ram_addr_t qemu_ram_alloc(ram_addr_t size) |
2414 | e9a1ab19 | bellard | { |
2415 | e9a1ab19 | bellard | ram_addr_t addr; |
2416 | 7fb4fdcf | balrog | if ((phys_ram_alloc_offset + size) > phys_ram_size) {
|
2417 | 012a7045 | ths | fprintf(stderr, "Not enough memory (requested_size = %" PRIu64 ", max memory = %" PRIu64 ")\n", |
2418 | ed441467 | bellard | (uint64_t)size, (uint64_t)phys_ram_size); |
2419 | e9a1ab19 | bellard | abort(); |
2420 | e9a1ab19 | bellard | } |
2421 | e9a1ab19 | bellard | addr = phys_ram_alloc_offset; |
2422 | e9a1ab19 | bellard | phys_ram_alloc_offset = TARGET_PAGE_ALIGN(phys_ram_alloc_offset + size); |
2423 | e9a1ab19 | bellard | return addr;
|
2424 | e9a1ab19 | bellard | } |
2425 | e9a1ab19 | bellard | |
2426 | e9a1ab19 | bellard | void qemu_ram_free(ram_addr_t addr)
|
2427 | e9a1ab19 | bellard | { |
2428 | e9a1ab19 | bellard | } |
2429 | e9a1ab19 | bellard | |
2430 | dc828ca1 | pbrook | /* Return a host pointer to ram allocated with qemu_ram_alloc.
|
2431 | dc828ca1 | pbrook | This may only be used if you actually allocated the ram, and
|
2432 | dc828ca1 | pbrook | aready know how but the ram block is. */
|
2433 | dc828ca1 | pbrook | void *qemu_get_ram_ptr(ram_addr_t addr)
|
2434 | dc828ca1 | pbrook | { |
2435 | dc828ca1 | pbrook | return phys_ram_base + addr;
|
2436 | dc828ca1 | pbrook | } |
2437 | dc828ca1 | pbrook | |
2438 | a4193c8a | bellard | static uint32_t unassigned_mem_readb(void *opaque, target_phys_addr_t addr) |
2439 | 33417e70 | bellard | { |
2440 | 67d3b957 | pbrook | #ifdef DEBUG_UNASSIGNED
|
2441 | ab3d1727 | blueswir1 | printf("Unassigned mem read " TARGET_FMT_plx "\n", addr); |
2442 | 67d3b957 | pbrook | #endif
|
2443 | 0a6f8a6d | edgar_igl | #if defined(TARGET_SPARC)
|
2444 | e18231a3 | blueswir1 | do_unassigned_access(addr, 0, 0, 0, 1); |
2445 | e18231a3 | blueswir1 | #endif
|
2446 | e18231a3 | blueswir1 | return 0; |
2447 | e18231a3 | blueswir1 | } |
2448 | e18231a3 | blueswir1 | |
2449 | e18231a3 | blueswir1 | static uint32_t unassigned_mem_readw(void *opaque, target_phys_addr_t addr) |
2450 | e18231a3 | blueswir1 | { |
2451 | e18231a3 | blueswir1 | #ifdef DEBUG_UNASSIGNED
|
2452 | e18231a3 | blueswir1 | printf("Unassigned mem read " TARGET_FMT_plx "\n", addr); |
2453 | e18231a3 | blueswir1 | #endif
|
2454 | 0a6f8a6d | edgar_igl | #if defined(TARGET_SPARC)
|
2455 | e18231a3 | blueswir1 | do_unassigned_access(addr, 0, 0, 0, 2); |
2456 | e18231a3 | blueswir1 | #endif
|
2457 | e18231a3 | blueswir1 | return 0; |
2458 | e18231a3 | blueswir1 | } |
2459 | e18231a3 | blueswir1 | |
2460 | e18231a3 | blueswir1 | static uint32_t unassigned_mem_readl(void *opaque, target_phys_addr_t addr) |
2461 | e18231a3 | blueswir1 | { |
2462 | e18231a3 | blueswir1 | #ifdef DEBUG_UNASSIGNED
|
2463 | e18231a3 | blueswir1 | printf("Unassigned mem read " TARGET_FMT_plx "\n", addr); |
2464 | e18231a3 | blueswir1 | #endif
|
2465 | 0a6f8a6d | edgar_igl | #if defined(TARGET_SPARC)
|
2466 | e18231a3 | blueswir1 | do_unassigned_access(addr, 0, 0, 0, 4); |
2467 | b4f0a316 | blueswir1 | #endif
|
2468 | 33417e70 | bellard | return 0; |
2469 | 33417e70 | bellard | } |
2470 | 33417e70 | bellard | |
2471 | a4193c8a | bellard | static void unassigned_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) |
2472 | 33417e70 | bellard | { |
2473 | 67d3b957 | pbrook | #ifdef DEBUG_UNASSIGNED
|
2474 | ab3d1727 | blueswir1 | printf("Unassigned mem write " TARGET_FMT_plx " = 0x%x\n", addr, val); |
2475 | 67d3b957 | pbrook | #endif
|
2476 | 0a6f8a6d | edgar_igl | #if defined(TARGET_SPARC)
|
2477 | e18231a3 | blueswir1 | do_unassigned_access(addr, 1, 0, 0, 1); |
2478 | e18231a3 | blueswir1 | #endif
|
2479 | e18231a3 | blueswir1 | } |
2480 | e18231a3 | blueswir1 | |
2481 | e18231a3 | blueswir1 | static void unassigned_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val) |
2482 | e18231a3 | blueswir1 | { |
2483 | e18231a3 | blueswir1 | #ifdef DEBUG_UNASSIGNED
|
2484 | e18231a3 | blueswir1 | printf("Unassigned mem write " TARGET_FMT_plx " = 0x%x\n", addr, val); |
2485 | e18231a3 | blueswir1 | #endif
|
2486 | 0a6f8a6d | edgar_igl | #if defined(TARGET_SPARC)
|
2487 | e18231a3 | blueswir1 | do_unassigned_access(addr, 1, 0, 0, 2); |
2488 | e18231a3 | blueswir1 | #endif
|
2489 | e18231a3 | blueswir1 | } |
2490 | e18231a3 | blueswir1 | |
2491 | e18231a3 | blueswir1 | static void unassigned_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) |
2492 | e18231a3 | blueswir1 | { |
2493 | e18231a3 | blueswir1 | #ifdef DEBUG_UNASSIGNED
|
2494 | e18231a3 | blueswir1 | printf("Unassigned mem write " TARGET_FMT_plx " = 0x%x\n", addr, val); |
2495 | e18231a3 | blueswir1 | #endif
|
2496 | 0a6f8a6d | edgar_igl | #if defined(TARGET_SPARC)
|
2497 | e18231a3 | blueswir1 | do_unassigned_access(addr, 1, 0, 0, 4); |
2498 | b4f0a316 | blueswir1 | #endif
|
2499 | 33417e70 | bellard | } |
2500 | 33417e70 | bellard | |
2501 | 33417e70 | bellard | static CPUReadMemoryFunc *unassigned_mem_read[3] = { |
2502 | 33417e70 | bellard | unassigned_mem_readb, |
2503 | e18231a3 | blueswir1 | unassigned_mem_readw, |
2504 | e18231a3 | blueswir1 | unassigned_mem_readl, |
2505 | 33417e70 | bellard | }; |
2506 | 33417e70 | bellard | |
2507 | 33417e70 | bellard | static CPUWriteMemoryFunc *unassigned_mem_write[3] = { |
2508 | 33417e70 | bellard | unassigned_mem_writeb, |
2509 | e18231a3 | blueswir1 | unassigned_mem_writew, |
2510 | e18231a3 | blueswir1 | unassigned_mem_writel, |
2511 | 33417e70 | bellard | }; |
2512 | 33417e70 | bellard | |
2513 | 0f459d16 | pbrook | static void notdirty_mem_writeb(void *opaque, target_phys_addr_t ram_addr, |
2514 | 0f459d16 | pbrook | uint32_t val) |
2515 | 9fa3e853 | bellard | { |
2516 | 3a7d929e | bellard | int dirty_flags;
|
2517 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
2518 | 3a7d929e | bellard | if (!(dirty_flags & CODE_DIRTY_FLAG)) {
|
2519 | 9fa3e853 | bellard | #if !defined(CONFIG_USER_ONLY)
|
2520 | 3a7d929e | bellard | tb_invalidate_phys_page_fast(ram_addr, 1);
|
2521 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
2522 | 9fa3e853 | bellard | #endif
|
2523 | 3a7d929e | bellard | } |
2524 | 0f459d16 | pbrook | stb_p(phys_ram_base + ram_addr, val); |
2525 | f32fc648 | bellard | #ifdef USE_KQEMU
|
2526 | f32fc648 | bellard | if (cpu_single_env->kqemu_enabled &&
|
2527 | f32fc648 | bellard | (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK) |
2528 | f32fc648 | bellard | kqemu_modify_page(cpu_single_env, ram_addr); |
2529 | f32fc648 | bellard | #endif
|
2530 | f23db169 | bellard | dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
|
2531 | f23db169 | bellard | phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags; |
2532 | f23db169 | bellard | /* we remove the notdirty callback only if the code has been
|
2533 | f23db169 | bellard | flushed */
|
2534 | f23db169 | bellard | if (dirty_flags == 0xff) |
2535 | 2e70f6ef | pbrook | tlb_set_dirty(cpu_single_env, cpu_single_env->mem_io_vaddr); |
2536 | 9fa3e853 | bellard | } |
2537 | 9fa3e853 | bellard | |
2538 | 0f459d16 | pbrook | static void notdirty_mem_writew(void *opaque, target_phys_addr_t ram_addr, |
2539 | 0f459d16 | pbrook | uint32_t val) |
2540 | 9fa3e853 | bellard | { |
2541 | 3a7d929e | bellard | int dirty_flags;
|
2542 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
2543 | 3a7d929e | bellard | if (!(dirty_flags & CODE_DIRTY_FLAG)) {
|
2544 | 9fa3e853 | bellard | #if !defined(CONFIG_USER_ONLY)
|
2545 | 3a7d929e | bellard | tb_invalidate_phys_page_fast(ram_addr, 2);
|
2546 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
2547 | 9fa3e853 | bellard | #endif
|
2548 | 3a7d929e | bellard | } |
2549 | 0f459d16 | pbrook | stw_p(phys_ram_base + ram_addr, val); |
2550 | f32fc648 | bellard | #ifdef USE_KQEMU
|
2551 | f32fc648 | bellard | if (cpu_single_env->kqemu_enabled &&
|
2552 | f32fc648 | bellard | (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK) |
2553 | f32fc648 | bellard | kqemu_modify_page(cpu_single_env, ram_addr); |
2554 | f32fc648 | bellard | #endif
|
2555 | f23db169 | bellard | dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
|
2556 | f23db169 | bellard | phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags; |
2557 | f23db169 | bellard | /* we remove the notdirty callback only if the code has been
|
2558 | f23db169 | bellard | flushed */
|
2559 | f23db169 | bellard | if (dirty_flags == 0xff) |
2560 | 2e70f6ef | pbrook | tlb_set_dirty(cpu_single_env, cpu_single_env->mem_io_vaddr); |
2561 | 9fa3e853 | bellard | } |
2562 | 9fa3e853 | bellard | |
2563 | 0f459d16 | pbrook | static void notdirty_mem_writel(void *opaque, target_phys_addr_t ram_addr, |
2564 | 0f459d16 | pbrook | uint32_t val) |
2565 | 9fa3e853 | bellard | { |
2566 | 3a7d929e | bellard | int dirty_flags;
|
2567 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
2568 | 3a7d929e | bellard | if (!(dirty_flags & CODE_DIRTY_FLAG)) {
|
2569 | 9fa3e853 | bellard | #if !defined(CONFIG_USER_ONLY)
|
2570 | 3a7d929e | bellard | tb_invalidate_phys_page_fast(ram_addr, 4);
|
2571 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
2572 | 9fa3e853 | bellard | #endif
|
2573 | 3a7d929e | bellard | } |
2574 | 0f459d16 | pbrook | stl_p(phys_ram_base + ram_addr, val); |
2575 | f32fc648 | bellard | #ifdef USE_KQEMU
|
2576 | f32fc648 | bellard | if (cpu_single_env->kqemu_enabled &&
|
2577 | f32fc648 | bellard | (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK) |
2578 | f32fc648 | bellard | kqemu_modify_page(cpu_single_env, ram_addr); |
2579 | f32fc648 | bellard | #endif
|
2580 | f23db169 | bellard | dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
|
2581 | f23db169 | bellard | phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags; |
2582 | f23db169 | bellard | /* we remove the notdirty callback only if the code has been
|
2583 | f23db169 | bellard | flushed */
|
2584 | f23db169 | bellard | if (dirty_flags == 0xff) |
2585 | 2e70f6ef | pbrook | tlb_set_dirty(cpu_single_env, cpu_single_env->mem_io_vaddr); |
2586 | 9fa3e853 | bellard | } |
2587 | 9fa3e853 | bellard | |
2588 | 3a7d929e | bellard | static CPUReadMemoryFunc *error_mem_read[3] = { |
2589 | 9fa3e853 | bellard | NULL, /* never used */ |
2590 | 9fa3e853 | bellard | NULL, /* never used */ |
2591 | 9fa3e853 | bellard | NULL, /* never used */ |
2592 | 9fa3e853 | bellard | }; |
2593 | 9fa3e853 | bellard | |
2594 | 1ccde1cb | bellard | static CPUWriteMemoryFunc *notdirty_mem_write[3] = { |
2595 | 1ccde1cb | bellard | notdirty_mem_writeb, |
2596 | 1ccde1cb | bellard | notdirty_mem_writew, |
2597 | 1ccde1cb | bellard | notdirty_mem_writel, |
2598 | 1ccde1cb | bellard | }; |
2599 | 1ccde1cb | bellard | |
2600 | 0f459d16 | pbrook | /* Generate a debug exception if a watchpoint has been hit. */
|
2601 | b4051334 | aliguori | static void check_watchpoint(int offset, int len_mask, int flags) |
2602 | 0f459d16 | pbrook | { |
2603 | 0f459d16 | pbrook | CPUState *env = cpu_single_env; |
2604 | 06d55cc1 | aliguori | target_ulong pc, cs_base; |
2605 | 06d55cc1 | aliguori | TranslationBlock *tb; |
2606 | 0f459d16 | pbrook | target_ulong vaddr; |
2607 | a1d1bb31 | aliguori | CPUWatchpoint *wp; |
2608 | 06d55cc1 | aliguori | int cpu_flags;
|
2609 | 0f459d16 | pbrook | |
2610 | 06d55cc1 | aliguori | if (env->watchpoint_hit) {
|
2611 | 06d55cc1 | aliguori | /* We re-entered the check after replacing the TB. Now raise
|
2612 | 06d55cc1 | aliguori | * the debug interrupt so that is will trigger after the
|
2613 | 06d55cc1 | aliguori | * current instruction. */
|
2614 | 06d55cc1 | aliguori | cpu_interrupt(env, CPU_INTERRUPT_DEBUG); |
2615 | 06d55cc1 | aliguori | return;
|
2616 | 06d55cc1 | aliguori | } |
2617 | 2e70f6ef | pbrook | vaddr = (env->mem_io_vaddr & TARGET_PAGE_MASK) + offset; |
2618 | c0ce998e | aliguori | TAILQ_FOREACH(wp, &env->watchpoints, entry) { |
2619 | b4051334 | aliguori | if ((vaddr == (wp->vaddr & len_mask) ||
|
2620 | b4051334 | aliguori | (vaddr & wp->len_mask) == wp->vaddr) && (wp->flags & flags)) { |
2621 | 6e140f28 | aliguori | wp->flags |= BP_WATCHPOINT_HIT; |
2622 | 6e140f28 | aliguori | if (!env->watchpoint_hit) {
|
2623 | 6e140f28 | aliguori | env->watchpoint_hit = wp; |
2624 | 6e140f28 | aliguori | tb = tb_find_pc(env->mem_io_pc); |
2625 | 6e140f28 | aliguori | if (!tb) {
|
2626 | 6e140f28 | aliguori | cpu_abort(env, "check_watchpoint: could not find TB for "
|
2627 | 6e140f28 | aliguori | "pc=%p", (void *)env->mem_io_pc); |
2628 | 6e140f28 | aliguori | } |
2629 | 6e140f28 | aliguori | cpu_restore_state(tb, env, env->mem_io_pc, NULL);
|
2630 | 6e140f28 | aliguori | tb_phys_invalidate(tb, -1);
|
2631 | 6e140f28 | aliguori | if (wp->flags & BP_STOP_BEFORE_ACCESS) {
|
2632 | 6e140f28 | aliguori | env->exception_index = EXCP_DEBUG; |
2633 | 6e140f28 | aliguori | } else {
|
2634 | 6e140f28 | aliguori | cpu_get_tb_cpu_state(env, &pc, &cs_base, &cpu_flags); |
2635 | 6e140f28 | aliguori | tb_gen_code(env, pc, cs_base, cpu_flags, 1);
|
2636 | 6e140f28 | aliguori | } |
2637 | 6e140f28 | aliguori | cpu_resume_from_signal(env, NULL);
|
2638 | 06d55cc1 | aliguori | } |
2639 | 6e140f28 | aliguori | } else {
|
2640 | 6e140f28 | aliguori | wp->flags &= ~BP_WATCHPOINT_HIT; |
2641 | 0f459d16 | pbrook | } |
2642 | 0f459d16 | pbrook | } |
2643 | 0f459d16 | pbrook | } |
2644 | 0f459d16 | pbrook | |
2645 | 6658ffb8 | pbrook | /* Watchpoint access routines. Watchpoints are inserted using TLB tricks,
|
2646 | 6658ffb8 | pbrook | so these check for a hit then pass through to the normal out-of-line
|
2647 | 6658ffb8 | pbrook | phys routines. */
|
2648 | 6658ffb8 | pbrook | static uint32_t watch_mem_readb(void *opaque, target_phys_addr_t addr) |
2649 | 6658ffb8 | pbrook | { |
2650 | b4051334 | aliguori | check_watchpoint(addr & ~TARGET_PAGE_MASK, ~0x0, BP_MEM_READ);
|
2651 | 6658ffb8 | pbrook | return ldub_phys(addr);
|
2652 | 6658ffb8 | pbrook | } |
2653 | 6658ffb8 | pbrook | |
2654 | 6658ffb8 | pbrook | static uint32_t watch_mem_readw(void *opaque, target_phys_addr_t addr) |
2655 | 6658ffb8 | pbrook | { |
2656 | b4051334 | aliguori | check_watchpoint(addr & ~TARGET_PAGE_MASK, ~0x1, BP_MEM_READ);
|
2657 | 6658ffb8 | pbrook | return lduw_phys(addr);
|
2658 | 6658ffb8 | pbrook | } |
2659 | 6658ffb8 | pbrook | |
2660 | 6658ffb8 | pbrook | static uint32_t watch_mem_readl(void *opaque, target_phys_addr_t addr) |
2661 | 6658ffb8 | pbrook | { |
2662 | b4051334 | aliguori | check_watchpoint(addr & ~TARGET_PAGE_MASK, ~0x3, BP_MEM_READ);
|
2663 | 6658ffb8 | pbrook | return ldl_phys(addr);
|
2664 | 6658ffb8 | pbrook | } |
2665 | 6658ffb8 | pbrook | |
2666 | 6658ffb8 | pbrook | static void watch_mem_writeb(void *opaque, target_phys_addr_t addr, |
2667 | 6658ffb8 | pbrook | uint32_t val) |
2668 | 6658ffb8 | pbrook | { |
2669 | b4051334 | aliguori | check_watchpoint(addr & ~TARGET_PAGE_MASK, ~0x0, BP_MEM_WRITE);
|
2670 | 6658ffb8 | pbrook | stb_phys(addr, val); |
2671 | 6658ffb8 | pbrook | } |
2672 | 6658ffb8 | pbrook | |
2673 | 6658ffb8 | pbrook | static void watch_mem_writew(void *opaque, target_phys_addr_t addr, |
2674 | 6658ffb8 | pbrook | uint32_t val) |
2675 | 6658ffb8 | pbrook | { |
2676 | b4051334 | aliguori | check_watchpoint(addr & ~TARGET_PAGE_MASK, ~0x1, BP_MEM_WRITE);
|
2677 | 6658ffb8 | pbrook | stw_phys(addr, val); |
2678 | 6658ffb8 | pbrook | } |
2679 | 6658ffb8 | pbrook | |
2680 | 6658ffb8 | pbrook | static void watch_mem_writel(void *opaque, target_phys_addr_t addr, |
2681 | 6658ffb8 | pbrook | uint32_t val) |
2682 | 6658ffb8 | pbrook | { |
2683 | b4051334 | aliguori | check_watchpoint(addr & ~TARGET_PAGE_MASK, ~0x3, BP_MEM_WRITE);
|
2684 | 6658ffb8 | pbrook | stl_phys(addr, val); |
2685 | 6658ffb8 | pbrook | } |
2686 | 6658ffb8 | pbrook | |
2687 | 6658ffb8 | pbrook | static CPUReadMemoryFunc *watch_mem_read[3] = { |
2688 | 6658ffb8 | pbrook | watch_mem_readb, |
2689 | 6658ffb8 | pbrook | watch_mem_readw, |
2690 | 6658ffb8 | pbrook | watch_mem_readl, |
2691 | 6658ffb8 | pbrook | }; |
2692 | 6658ffb8 | pbrook | |
2693 | 6658ffb8 | pbrook | static CPUWriteMemoryFunc *watch_mem_write[3] = { |
2694 | 6658ffb8 | pbrook | watch_mem_writeb, |
2695 | 6658ffb8 | pbrook | watch_mem_writew, |
2696 | 6658ffb8 | pbrook | watch_mem_writel, |
2697 | 6658ffb8 | pbrook | }; |
2698 | 6658ffb8 | pbrook | |
2699 | db7b5426 | blueswir1 | static inline uint32_t subpage_readlen (subpage_t *mmio, target_phys_addr_t addr, |
2700 | db7b5426 | blueswir1 | unsigned int len) |
2701 | db7b5426 | blueswir1 | { |
2702 | db7b5426 | blueswir1 | uint32_t ret; |
2703 | db7b5426 | blueswir1 | unsigned int idx; |
2704 | db7b5426 | blueswir1 | |
2705 | 8da3ff18 | pbrook | idx = SUBPAGE_IDX(addr); |
2706 | db7b5426 | blueswir1 | #if defined(DEBUG_SUBPAGE)
|
2707 | db7b5426 | blueswir1 | printf("%s: subpage %p len %d addr " TARGET_FMT_plx " idx %d\n", __func__, |
2708 | db7b5426 | blueswir1 | mmio, len, addr, idx); |
2709 | db7b5426 | blueswir1 | #endif
|
2710 | 8da3ff18 | pbrook | ret = (**mmio->mem_read[idx][len])(mmio->opaque[idx][0][len],
|
2711 | 8da3ff18 | pbrook | addr + mmio->region_offset[idx][0][len]);
|
2712 | db7b5426 | blueswir1 | |
2713 | db7b5426 | blueswir1 | return ret;
|
2714 | db7b5426 | blueswir1 | } |
2715 | db7b5426 | blueswir1 | |
2716 | db7b5426 | blueswir1 | static inline void subpage_writelen (subpage_t *mmio, target_phys_addr_t addr, |
2717 | db7b5426 | blueswir1 | uint32_t value, unsigned int len) |
2718 | db7b5426 | blueswir1 | { |
2719 | db7b5426 | blueswir1 | unsigned int idx; |
2720 | db7b5426 | blueswir1 | |
2721 | 8da3ff18 | pbrook | idx = SUBPAGE_IDX(addr); |
2722 | db7b5426 | blueswir1 | #if defined(DEBUG_SUBPAGE)
|
2723 | db7b5426 | blueswir1 | printf("%s: subpage %p len %d addr " TARGET_FMT_plx " idx %d value %08x\n", __func__, |
2724 | db7b5426 | blueswir1 | mmio, len, addr, idx, value); |
2725 | db7b5426 | blueswir1 | #endif
|
2726 | 8da3ff18 | pbrook | (**mmio->mem_write[idx][len])(mmio->opaque[idx][1][len],
|
2727 | 8da3ff18 | pbrook | addr + mmio->region_offset[idx][1][len],
|
2728 | 8da3ff18 | pbrook | value); |
2729 | db7b5426 | blueswir1 | } |
2730 | db7b5426 | blueswir1 | |
2731 | db7b5426 | blueswir1 | static uint32_t subpage_readb (void *opaque, target_phys_addr_t addr) |
2732 | db7b5426 | blueswir1 | { |
2733 | db7b5426 | blueswir1 | #if defined(DEBUG_SUBPAGE)
|
2734 | db7b5426 | blueswir1 | printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); |
2735 | db7b5426 | blueswir1 | #endif
|
2736 | db7b5426 | blueswir1 | |
2737 | db7b5426 | blueswir1 | return subpage_readlen(opaque, addr, 0); |
2738 | db7b5426 | blueswir1 | } |
2739 | db7b5426 | blueswir1 | |
2740 | db7b5426 | blueswir1 | static void subpage_writeb (void *opaque, target_phys_addr_t addr, |
2741 | db7b5426 | blueswir1 | uint32_t value) |
2742 | db7b5426 | blueswir1 | { |
2743 | db7b5426 | blueswir1 | #if defined(DEBUG_SUBPAGE)
|
2744 | db7b5426 | blueswir1 | printf("%s: addr " TARGET_FMT_plx " val %08x\n", __func__, addr, value); |
2745 | db7b5426 | blueswir1 | #endif
|
2746 | db7b5426 | blueswir1 | subpage_writelen(opaque, addr, value, 0);
|
2747 | db7b5426 | blueswir1 | } |
2748 | db7b5426 | blueswir1 | |
2749 | db7b5426 | blueswir1 | static uint32_t subpage_readw (void *opaque, target_phys_addr_t addr) |
2750 | db7b5426 | blueswir1 | { |
2751 | db7b5426 | blueswir1 | #if defined(DEBUG_SUBPAGE)
|
2752 | db7b5426 | blueswir1 | printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); |
2753 | db7b5426 | blueswir1 | #endif
|
2754 | db7b5426 | blueswir1 | |
2755 | db7b5426 | blueswir1 | return subpage_readlen(opaque, addr, 1); |
2756 | db7b5426 | blueswir1 | } |
2757 | db7b5426 | blueswir1 | |
2758 | db7b5426 | blueswir1 | static void subpage_writew (void *opaque, target_phys_addr_t addr, |
2759 | db7b5426 | blueswir1 | uint32_t value) |
2760 | db7b5426 | blueswir1 | { |
2761 | db7b5426 | blueswir1 | #if defined(DEBUG_SUBPAGE)
|
2762 | db7b5426 | blueswir1 | printf("%s: addr " TARGET_FMT_plx " val %08x\n", __func__, addr, value); |
2763 | db7b5426 | blueswir1 | #endif
|
2764 | db7b5426 | blueswir1 | subpage_writelen(opaque, addr, value, 1);
|
2765 | db7b5426 | blueswir1 | } |
2766 | db7b5426 | blueswir1 | |
2767 | db7b5426 | blueswir1 | static uint32_t subpage_readl (void *opaque, target_phys_addr_t addr) |
2768 | db7b5426 | blueswir1 | { |
2769 | db7b5426 | blueswir1 | #if defined(DEBUG_SUBPAGE)
|
2770 | db7b5426 | blueswir1 | printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); |
2771 | db7b5426 | blueswir1 | #endif
|
2772 | db7b5426 | blueswir1 | |
2773 | db7b5426 | blueswir1 | return subpage_readlen(opaque, addr, 2); |
2774 | db7b5426 | blueswir1 | } |
2775 | db7b5426 | blueswir1 | |
2776 | db7b5426 | blueswir1 | static void subpage_writel (void *opaque, |
2777 | db7b5426 | blueswir1 | target_phys_addr_t addr, uint32_t value) |
2778 | db7b5426 | blueswir1 | { |
2779 | db7b5426 | blueswir1 | #if defined(DEBUG_SUBPAGE)
|
2780 | db7b5426 | blueswir1 | printf("%s: addr " TARGET_FMT_plx " val %08x\n", __func__, addr, value); |
2781 | db7b5426 | blueswir1 | #endif
|
2782 | db7b5426 | blueswir1 | subpage_writelen(opaque, addr, value, 2);
|
2783 | db7b5426 | blueswir1 | } |
2784 | db7b5426 | blueswir1 | |
2785 | db7b5426 | blueswir1 | static CPUReadMemoryFunc *subpage_read[] = {
|
2786 | db7b5426 | blueswir1 | &subpage_readb, |
2787 | db7b5426 | blueswir1 | &subpage_readw, |
2788 | db7b5426 | blueswir1 | &subpage_readl, |
2789 | db7b5426 | blueswir1 | }; |
2790 | db7b5426 | blueswir1 | |
2791 | db7b5426 | blueswir1 | static CPUWriteMemoryFunc *subpage_write[] = {
|
2792 | db7b5426 | blueswir1 | &subpage_writeb, |
2793 | db7b5426 | blueswir1 | &subpage_writew, |
2794 | db7b5426 | blueswir1 | &subpage_writel, |
2795 | db7b5426 | blueswir1 | }; |
2796 | db7b5426 | blueswir1 | |
2797 | db7b5426 | blueswir1 | static int subpage_register (subpage_t *mmio, uint32_t start, uint32_t end, |
2798 | 8da3ff18 | pbrook | ram_addr_t memory, ram_addr_t region_offset) |
2799 | db7b5426 | blueswir1 | { |
2800 | db7b5426 | blueswir1 | int idx, eidx;
|
2801 | 4254fab8 | blueswir1 | unsigned int i; |
2802 | db7b5426 | blueswir1 | |
2803 | db7b5426 | blueswir1 | if (start >= TARGET_PAGE_SIZE || end >= TARGET_PAGE_SIZE)
|
2804 | db7b5426 | blueswir1 | return -1; |
2805 | db7b5426 | blueswir1 | idx = SUBPAGE_IDX(start); |
2806 | db7b5426 | blueswir1 | eidx = SUBPAGE_IDX(end); |
2807 | db7b5426 | blueswir1 | #if defined(DEBUG_SUBPAGE)
|
2808 | db7b5426 | blueswir1 | printf("%s: %p start %08x end %08x idx %08x eidx %08x mem %d\n", __func__,
|
2809 | db7b5426 | blueswir1 | mmio, start, end, idx, eidx, memory); |
2810 | db7b5426 | blueswir1 | #endif
|
2811 | db7b5426 | blueswir1 | memory >>= IO_MEM_SHIFT; |
2812 | db7b5426 | blueswir1 | for (; idx <= eidx; idx++) {
|
2813 | 4254fab8 | blueswir1 | for (i = 0; i < 4; i++) { |
2814 | 3ee89922 | blueswir1 | if (io_mem_read[memory][i]) {
|
2815 | 3ee89922 | blueswir1 | mmio->mem_read[idx][i] = &io_mem_read[memory][i]; |
2816 | 3ee89922 | blueswir1 | mmio->opaque[idx][0][i] = io_mem_opaque[memory];
|
2817 | 8da3ff18 | pbrook | mmio->region_offset[idx][0][i] = region_offset;
|
2818 | 3ee89922 | blueswir1 | } |
2819 | 3ee89922 | blueswir1 | if (io_mem_write[memory][i]) {
|
2820 | 3ee89922 | blueswir1 | mmio->mem_write[idx][i] = &io_mem_write[memory][i]; |
2821 | 3ee89922 | blueswir1 | mmio->opaque[idx][1][i] = io_mem_opaque[memory];
|
2822 | 8da3ff18 | pbrook | mmio->region_offset[idx][1][i] = region_offset;
|
2823 | 3ee89922 | blueswir1 | } |
2824 | 4254fab8 | blueswir1 | } |
2825 | db7b5426 | blueswir1 | } |
2826 | db7b5426 | blueswir1 | |
2827 | db7b5426 | blueswir1 | return 0; |
2828 | db7b5426 | blueswir1 | } |
2829 | db7b5426 | blueswir1 | |
2830 | 00f82b8a | aurel32 | static void *subpage_init (target_phys_addr_t base, ram_addr_t *phys, |
2831 | 8da3ff18 | pbrook | ram_addr_t orig_memory, ram_addr_t region_offset) |
2832 | db7b5426 | blueswir1 | { |
2833 | db7b5426 | blueswir1 | subpage_t *mmio; |
2834 | db7b5426 | blueswir1 | int subpage_memory;
|
2835 | db7b5426 | blueswir1 | |
2836 | db7b5426 | blueswir1 | mmio = qemu_mallocz(sizeof(subpage_t));
|
2837 | 1eec614b | aliguori | |
2838 | 1eec614b | aliguori | mmio->base = base; |
2839 | 1eec614b | aliguori | subpage_memory = cpu_register_io_memory(0, subpage_read, subpage_write, mmio);
|
2840 | db7b5426 | blueswir1 | #if defined(DEBUG_SUBPAGE)
|
2841 | 1eec614b | aliguori | printf("%s: %p base " TARGET_FMT_plx " len %08x %d\n", __func__, |
2842 | 1eec614b | aliguori | mmio, base, TARGET_PAGE_SIZE, subpage_memory); |
2843 | db7b5426 | blueswir1 | #endif
|
2844 | 1eec614b | aliguori | *phys = subpage_memory | IO_MEM_SUBPAGE; |
2845 | 1eec614b | aliguori | subpage_register(mmio, 0, TARGET_PAGE_SIZE - 1, orig_memory, |
2846 | 8da3ff18 | pbrook | region_offset); |
2847 | db7b5426 | blueswir1 | |
2848 | db7b5426 | blueswir1 | return mmio;
|
2849 | db7b5426 | blueswir1 | } |
2850 | db7b5426 | blueswir1 | |
2851 | 88715657 | aliguori | static int get_free_io_mem_idx(void) |
2852 | 88715657 | aliguori | { |
2853 | 88715657 | aliguori | int i;
|
2854 | 88715657 | aliguori | |
2855 | 88715657 | aliguori | for (i = 0; i<IO_MEM_NB_ENTRIES; i++) |
2856 | 88715657 | aliguori | if (!io_mem_used[i]) {
|
2857 | 88715657 | aliguori | io_mem_used[i] = 1;
|
2858 | 88715657 | aliguori | return i;
|
2859 | 88715657 | aliguori | } |
2860 | 88715657 | aliguori | |
2861 | 88715657 | aliguori | return -1; |
2862 | 88715657 | aliguori | } |
2863 | 88715657 | aliguori | |
2864 | 33417e70 | bellard | static void io_mem_init(void) |
2865 | 33417e70 | bellard | { |
2866 | 88715657 | aliguori | int i;
|
2867 | 88715657 | aliguori | |
2868 | 3a7d929e | bellard | cpu_register_io_memory(IO_MEM_ROM >> IO_MEM_SHIFT, error_mem_read, unassigned_mem_write, NULL);
|
2869 | a4193c8a | bellard | cpu_register_io_memory(IO_MEM_UNASSIGNED >> IO_MEM_SHIFT, unassigned_mem_read, unassigned_mem_write, NULL);
|
2870 | 3a7d929e | bellard | cpu_register_io_memory(IO_MEM_NOTDIRTY >> IO_MEM_SHIFT, error_mem_read, notdirty_mem_write, NULL);
|
2871 | 88715657 | aliguori | for (i=0; i<5; i++) |
2872 | 88715657 | aliguori | io_mem_used[i] = 1;
|
2873 | 1ccde1cb | bellard | |
2874 | 0f459d16 | pbrook | io_mem_watch = cpu_register_io_memory(0, watch_mem_read,
|
2875 | 6658ffb8 | pbrook | watch_mem_write, NULL);
|
2876 | 1ccde1cb | bellard | /* alloc dirty bits array */
|
2877 | 0a962c02 | bellard | phys_ram_dirty = qemu_vmalloc(phys_ram_size >> TARGET_PAGE_BITS); |
2878 | 3a7d929e | bellard | memset(phys_ram_dirty, 0xff, phys_ram_size >> TARGET_PAGE_BITS);
|
2879 | 33417e70 | bellard | } |
2880 | 33417e70 | bellard | |
2881 | 33417e70 | bellard | /* mem_read and mem_write are arrays of functions containing the
|
2882 | 33417e70 | bellard | function to access byte (index 0), word (index 1) and dword (index
|
2883 | 3ee89922 | blueswir1 | 2). Functions can be omitted with a NULL function pointer. The
|
2884 | 3ee89922 | blueswir1 | registered functions may be modified dynamically later.
|
2885 | 3ee89922 | blueswir1 | If io_index is non zero, the corresponding io zone is
|
2886 | 4254fab8 | blueswir1 | modified. If it is zero, a new io zone is allocated. The return
|
2887 | 4254fab8 | blueswir1 | value can be used with cpu_register_physical_memory(). (-1) is
|
2888 | 4254fab8 | blueswir1 | returned if error. */
|
2889 | 33417e70 | bellard | int cpu_register_io_memory(int io_index, |
2890 | 33417e70 | bellard | CPUReadMemoryFunc **mem_read, |
2891 | a4193c8a | bellard | CPUWriteMemoryFunc **mem_write, |
2892 | a4193c8a | bellard | void *opaque)
|
2893 | 33417e70 | bellard | { |
2894 | 4254fab8 | blueswir1 | int i, subwidth = 0; |
2895 | 33417e70 | bellard | |
2896 | 33417e70 | bellard | if (io_index <= 0) { |
2897 | 88715657 | aliguori | io_index = get_free_io_mem_idx(); |
2898 | 88715657 | aliguori | if (io_index == -1) |
2899 | 88715657 | aliguori | return io_index;
|
2900 | 33417e70 | bellard | } else {
|
2901 | 33417e70 | bellard | if (io_index >= IO_MEM_NB_ENTRIES)
|
2902 | 33417e70 | bellard | return -1; |
2903 | 33417e70 | bellard | } |
2904 | b5ff1b31 | bellard | |
2905 | 33417e70 | bellard | for(i = 0;i < 3; i++) { |
2906 | 4254fab8 | blueswir1 | if (!mem_read[i] || !mem_write[i])
|
2907 | 4254fab8 | blueswir1 | subwidth = IO_MEM_SUBWIDTH; |
2908 | 33417e70 | bellard | io_mem_read[io_index][i] = mem_read[i]; |
2909 | 33417e70 | bellard | io_mem_write[io_index][i] = mem_write[i]; |
2910 | 33417e70 | bellard | } |
2911 | a4193c8a | bellard | io_mem_opaque[io_index] = opaque; |
2912 | 4254fab8 | blueswir1 | return (io_index << IO_MEM_SHIFT) | subwidth;
|
2913 | 33417e70 | bellard | } |
2914 | 61382a50 | bellard | |
2915 | 88715657 | aliguori | void cpu_unregister_io_memory(int io_table_address) |
2916 | 88715657 | aliguori | { |
2917 | 88715657 | aliguori | int i;
|
2918 | 88715657 | aliguori | int io_index = io_table_address >> IO_MEM_SHIFT;
|
2919 | 88715657 | aliguori | |
2920 | 88715657 | aliguori | for (i=0;i < 3; i++) { |
2921 | 88715657 | aliguori | io_mem_read[io_index][i] = unassigned_mem_read[i]; |
2922 | 88715657 | aliguori | io_mem_write[io_index][i] = unassigned_mem_write[i]; |
2923 | 88715657 | aliguori | } |
2924 | 88715657 | aliguori | io_mem_opaque[io_index] = NULL;
|
2925 | 88715657 | aliguori | io_mem_used[io_index] = 0;
|
2926 | 88715657 | aliguori | } |
2927 | 88715657 | aliguori | |
2928 | 8926b517 | bellard | CPUWriteMemoryFunc **cpu_get_io_memory_write(int io_index)
|
2929 | 8926b517 | bellard | { |
2930 | 8926b517 | bellard | return io_mem_write[io_index >> IO_MEM_SHIFT];
|
2931 | 8926b517 | bellard | } |
2932 | 8926b517 | bellard | |
2933 | 8926b517 | bellard | CPUReadMemoryFunc **cpu_get_io_memory_read(int io_index)
|
2934 | 8926b517 | bellard | { |
2935 | 8926b517 | bellard | return io_mem_read[io_index >> IO_MEM_SHIFT];
|
2936 | 8926b517 | bellard | } |
2937 | 8926b517 | bellard | |
2938 | e2eef170 | pbrook | #endif /* !defined(CONFIG_USER_ONLY) */ |
2939 | e2eef170 | pbrook | |
2940 | 13eb76e0 | bellard | /* physical memory access (slow version, mainly for debug) */
|
2941 | 13eb76e0 | bellard | #if defined(CONFIG_USER_ONLY)
|
2942 | 5fafdf24 | ths | void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
|
2943 | 13eb76e0 | bellard | int len, int is_write) |
2944 | 13eb76e0 | bellard | { |
2945 | 13eb76e0 | bellard | int l, flags;
|
2946 | 13eb76e0 | bellard | target_ulong page; |
2947 | 53a5960a | pbrook | void * p;
|
2948 | 13eb76e0 | bellard | |
2949 | 13eb76e0 | bellard | while (len > 0) { |
2950 | 13eb76e0 | bellard | page = addr & TARGET_PAGE_MASK; |
2951 | 13eb76e0 | bellard | l = (page + TARGET_PAGE_SIZE) - addr; |
2952 | 13eb76e0 | bellard | if (l > len)
|
2953 | 13eb76e0 | bellard | l = len; |
2954 | 13eb76e0 | bellard | flags = page_get_flags(page); |
2955 | 13eb76e0 | bellard | if (!(flags & PAGE_VALID))
|
2956 | 13eb76e0 | bellard | return;
|
2957 | 13eb76e0 | bellard | if (is_write) {
|
2958 | 13eb76e0 | bellard | if (!(flags & PAGE_WRITE))
|
2959 | 13eb76e0 | bellard | return;
|
2960 | 579a97f7 | bellard | /* XXX: this code should not depend on lock_user */
|
2961 | 72fb7daa | aurel32 | if (!(p = lock_user(VERIFY_WRITE, addr, l, 0))) |
2962 | 579a97f7 | bellard | /* FIXME - should this return an error rather than just fail? */
|
2963 | 579a97f7 | bellard | return;
|
2964 | 72fb7daa | aurel32 | memcpy(p, buf, l); |
2965 | 72fb7daa | aurel32 | unlock_user(p, addr, l); |
2966 | 13eb76e0 | bellard | } else {
|
2967 | 13eb76e0 | bellard | if (!(flags & PAGE_READ))
|
2968 | 13eb76e0 | bellard | return;
|
2969 | 579a97f7 | bellard | /* XXX: this code should not depend on lock_user */
|
2970 | 72fb7daa | aurel32 | if (!(p = lock_user(VERIFY_READ, addr, l, 1))) |
2971 | 579a97f7 | bellard | /* FIXME - should this return an error rather than just fail? */
|
2972 | 579a97f7 | bellard | return;
|
2973 | 72fb7daa | aurel32 | memcpy(buf, p, l); |
2974 | 5b257578 | aurel32 | unlock_user(p, addr, 0);
|
2975 | 13eb76e0 | bellard | } |
2976 | 13eb76e0 | bellard | len -= l; |
2977 | 13eb76e0 | bellard | buf += l; |
2978 | 13eb76e0 | bellard | addr += l; |
2979 | 13eb76e0 | bellard | } |
2980 | 13eb76e0 | bellard | } |
2981 | 8df1cd07 | bellard | |
2982 | 13eb76e0 | bellard | #else
|
2983 | 5fafdf24 | ths | void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
|
2984 | 13eb76e0 | bellard | int len, int is_write) |
2985 | 13eb76e0 | bellard | { |
2986 | 13eb76e0 | bellard | int l, io_index;
|
2987 | 13eb76e0 | bellard | uint8_t *ptr; |
2988 | 13eb76e0 | bellard | uint32_t val; |
2989 | 2e12669a | bellard | target_phys_addr_t page; |
2990 | 2e12669a | bellard | unsigned long pd; |
2991 | 92e873b9 | bellard | PhysPageDesc *p; |
2992 | 3b46e624 | ths | |
2993 | 13eb76e0 | bellard | while (len > 0) { |
2994 | 13eb76e0 | bellard | page = addr & TARGET_PAGE_MASK; |
2995 | 13eb76e0 | bellard | l = (page + TARGET_PAGE_SIZE) - addr; |
2996 | 13eb76e0 | bellard | if (l > len)
|
2997 | 13eb76e0 | bellard | l = len; |
2998 | 92e873b9 | bellard | p = phys_page_find(page >> TARGET_PAGE_BITS); |
2999 | 13eb76e0 | bellard | if (!p) {
|
3000 | 13eb76e0 | bellard | pd = IO_MEM_UNASSIGNED; |
3001 | 13eb76e0 | bellard | } else {
|
3002 | 13eb76e0 | bellard | pd = p->phys_offset; |
3003 | 13eb76e0 | bellard | } |
3004 | 3b46e624 | ths | |
3005 | 13eb76e0 | bellard | if (is_write) {
|
3006 | 3a7d929e | bellard | if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
|
3007 | 6c2934db | aurel32 | target_phys_addr_t addr1 = addr; |
3008 | 13eb76e0 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
3009 | 8da3ff18 | pbrook | if (p)
|
3010 | 6c2934db | aurel32 | addr1 = (addr & ~TARGET_PAGE_MASK) + p->region_offset; |
3011 | 6a00d601 | bellard | /* XXX: could force cpu_single_env to NULL to avoid
|
3012 | 6a00d601 | bellard | potential bugs */
|
3013 | 6c2934db | aurel32 | if (l >= 4 && ((addr1 & 3) == 0)) { |
3014 | 1c213d19 | bellard | /* 32 bit write access */
|
3015 | c27004ec | bellard | val = ldl_p(buf); |
3016 | 6c2934db | aurel32 | io_mem_write[io_index][2](io_mem_opaque[io_index], addr1, val);
|
3017 | 13eb76e0 | bellard | l = 4;
|
3018 | 6c2934db | aurel32 | } else if (l >= 2 && ((addr1 & 1) == 0)) { |
3019 | 1c213d19 | bellard | /* 16 bit write access */
|
3020 | c27004ec | bellard | val = lduw_p(buf); |
3021 | 6c2934db | aurel32 | io_mem_write[io_index][1](io_mem_opaque[io_index], addr1, val);
|
3022 | 13eb76e0 | bellard | l = 2;
|
3023 | 13eb76e0 | bellard | } else {
|
3024 | 1c213d19 | bellard | /* 8 bit write access */
|
3025 | c27004ec | bellard | val = ldub_p(buf); |
3026 | 6c2934db | aurel32 | io_mem_write[io_index][0](io_mem_opaque[io_index], addr1, val);
|
3027 | 13eb76e0 | bellard | l = 1;
|
3028 | 13eb76e0 | bellard | } |
3029 | 13eb76e0 | bellard | } else {
|
3030 | b448f2f3 | bellard | unsigned long addr1; |
3031 | b448f2f3 | bellard | addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); |
3032 | 13eb76e0 | bellard | /* RAM case */
|
3033 | b448f2f3 | bellard | ptr = phys_ram_base + addr1; |
3034 | 13eb76e0 | bellard | memcpy(ptr, buf, l); |
3035 | 3a7d929e | bellard | if (!cpu_physical_memory_is_dirty(addr1)) {
|
3036 | 3a7d929e | bellard | /* invalidate code */
|
3037 | 3a7d929e | bellard | tb_invalidate_phys_page_range(addr1, addr1 + l, 0);
|
3038 | 3a7d929e | bellard | /* set dirty bit */
|
3039 | 5fafdf24 | ths | phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |= |
3040 | f23db169 | bellard | (0xff & ~CODE_DIRTY_FLAG);
|
3041 | 3a7d929e | bellard | } |
3042 | 13eb76e0 | bellard | } |
3043 | 13eb76e0 | bellard | } else {
|
3044 | 5fafdf24 | ths | if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM &&
|
3045 | 2a4188a3 | bellard | !(pd & IO_MEM_ROMD)) { |
3046 | 6c2934db | aurel32 | target_phys_addr_t addr1 = addr; |
3047 | 13eb76e0 | bellard | /* I/O case */
|
3048 | 13eb76e0 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
3049 | 8da3ff18 | pbrook | if (p)
|
3050 | 6c2934db | aurel32 | addr1 = (addr & ~TARGET_PAGE_MASK) + p->region_offset; |
3051 | 6c2934db | aurel32 | if (l >= 4 && ((addr1 & 3) == 0)) { |
3052 | 13eb76e0 | bellard | /* 32 bit read access */
|
3053 | 6c2934db | aurel32 | val = io_mem_read[io_index][2](io_mem_opaque[io_index], addr1);
|
3054 | c27004ec | bellard | stl_p(buf, val); |
3055 | 13eb76e0 | bellard | l = 4;
|
3056 | 6c2934db | aurel32 | } else if (l >= 2 && ((addr1 & 1) == 0)) { |
3057 | 13eb76e0 | bellard | /* 16 bit read access */
|
3058 | 6c2934db | aurel32 | val = io_mem_read[io_index][1](io_mem_opaque[io_index], addr1);
|
3059 | c27004ec | bellard | stw_p(buf, val); |
3060 | 13eb76e0 | bellard | l = 2;
|
3061 | 13eb76e0 | bellard | } else {
|
3062 | 1c213d19 | bellard | /* 8 bit read access */
|
3063 | 6c2934db | aurel32 | val = io_mem_read[io_index][0](io_mem_opaque[io_index], addr1);
|
3064 | c27004ec | bellard | stb_p(buf, val); |
3065 | 13eb76e0 | bellard | l = 1;
|
3066 | 13eb76e0 | bellard | } |
3067 | 13eb76e0 | bellard | } else {
|
3068 | 13eb76e0 | bellard | /* RAM case */
|
3069 | 5fafdf24 | ths | ptr = phys_ram_base + (pd & TARGET_PAGE_MASK) + |
3070 | 13eb76e0 | bellard | (addr & ~TARGET_PAGE_MASK); |
3071 | 13eb76e0 | bellard | memcpy(buf, ptr, l); |
3072 | 13eb76e0 | bellard | } |
3073 | 13eb76e0 | bellard | } |
3074 | 13eb76e0 | bellard | len -= l; |
3075 | 13eb76e0 | bellard | buf += l; |
3076 | 13eb76e0 | bellard | addr += l; |
3077 | 13eb76e0 | bellard | } |
3078 | 13eb76e0 | bellard | } |
3079 | 8df1cd07 | bellard | |
3080 | d0ecd2aa | bellard | /* used for ROM loading : can write in RAM and ROM */
|
3081 | 5fafdf24 | ths | void cpu_physical_memory_write_rom(target_phys_addr_t addr,
|
3082 | d0ecd2aa | bellard | const uint8_t *buf, int len) |
3083 | d0ecd2aa | bellard | { |
3084 | d0ecd2aa | bellard | int l;
|
3085 | d0ecd2aa | bellard | uint8_t *ptr; |
3086 | d0ecd2aa | bellard | target_phys_addr_t page; |
3087 | d0ecd2aa | bellard | unsigned long pd; |
3088 | d0ecd2aa | bellard | PhysPageDesc *p; |
3089 | 3b46e624 | ths | |
3090 | d0ecd2aa | bellard | while (len > 0) { |
3091 | d0ecd2aa | bellard | page = addr & TARGET_PAGE_MASK; |
3092 | d0ecd2aa | bellard | l = (page + TARGET_PAGE_SIZE) - addr; |
3093 | d0ecd2aa | bellard | if (l > len)
|
3094 | d0ecd2aa | bellard | l = len; |
3095 | d0ecd2aa | bellard | p = phys_page_find(page >> TARGET_PAGE_BITS); |
3096 | d0ecd2aa | bellard | if (!p) {
|
3097 | d0ecd2aa | bellard | pd = IO_MEM_UNASSIGNED; |
3098 | d0ecd2aa | bellard | } else {
|
3099 | d0ecd2aa | bellard | pd = p->phys_offset; |
3100 | d0ecd2aa | bellard | } |
3101 | 3b46e624 | ths | |
3102 | d0ecd2aa | bellard | if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM &&
|
3103 | 2a4188a3 | bellard | (pd & ~TARGET_PAGE_MASK) != IO_MEM_ROM && |
3104 | 2a4188a3 | bellard | !(pd & IO_MEM_ROMD)) { |
3105 | d0ecd2aa | bellard | /* do nothing */
|
3106 | d0ecd2aa | bellard | } else {
|
3107 | d0ecd2aa | bellard | unsigned long addr1; |
3108 | d0ecd2aa | bellard | addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); |
3109 | d0ecd2aa | bellard | /* ROM/RAM case */
|
3110 | d0ecd2aa | bellard | ptr = phys_ram_base + addr1; |
3111 | d0ecd2aa | bellard | memcpy(ptr, buf, l); |
3112 | d0ecd2aa | bellard | } |
3113 | d0ecd2aa | bellard | len -= l; |
3114 | d0ecd2aa | bellard | buf += l; |
3115 | d0ecd2aa | bellard | addr += l; |
3116 | d0ecd2aa | bellard | } |
3117 | d0ecd2aa | bellard | } |
3118 | d0ecd2aa | bellard | |
3119 | 6d16c2f8 | aliguori | typedef struct { |
3120 | 6d16c2f8 | aliguori | void *buffer;
|
3121 | 6d16c2f8 | aliguori | target_phys_addr_t addr; |
3122 | 6d16c2f8 | aliguori | target_phys_addr_t len; |
3123 | 6d16c2f8 | aliguori | } BounceBuffer; |
3124 | 6d16c2f8 | aliguori | |
3125 | 6d16c2f8 | aliguori | static BounceBuffer bounce;
|
3126 | 6d16c2f8 | aliguori | |
3127 | ba223c29 | aliguori | typedef struct MapClient { |
3128 | ba223c29 | aliguori | void *opaque;
|
3129 | ba223c29 | aliguori | void (*callback)(void *opaque); |
3130 | ba223c29 | aliguori | LIST_ENTRY(MapClient) link; |
3131 | ba223c29 | aliguori | } MapClient; |
3132 | ba223c29 | aliguori | |
3133 | ba223c29 | aliguori | static LIST_HEAD(map_client_list, MapClient) map_client_list
|
3134 | ba223c29 | aliguori | = LIST_HEAD_INITIALIZER(map_client_list); |
3135 | ba223c29 | aliguori | |
3136 | ba223c29 | aliguori | void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque)) |
3137 | ba223c29 | aliguori | { |
3138 | ba223c29 | aliguori | MapClient *client = qemu_malloc(sizeof(*client));
|
3139 | ba223c29 | aliguori | |
3140 | ba223c29 | aliguori | client->opaque = opaque; |
3141 | ba223c29 | aliguori | client->callback = callback; |
3142 | ba223c29 | aliguori | LIST_INSERT_HEAD(&map_client_list, client, link); |
3143 | ba223c29 | aliguori | return client;
|
3144 | ba223c29 | aliguori | } |
3145 | ba223c29 | aliguori | |
3146 | ba223c29 | aliguori | void cpu_unregister_map_client(void *_client) |
3147 | ba223c29 | aliguori | { |
3148 | ba223c29 | aliguori | MapClient *client = (MapClient *)_client; |
3149 | ba223c29 | aliguori | |
3150 | ba223c29 | aliguori | LIST_REMOVE(client, link); |
3151 | ba223c29 | aliguori | } |
3152 | ba223c29 | aliguori | |
3153 | ba223c29 | aliguori | static void cpu_notify_map_clients(void) |
3154 | ba223c29 | aliguori | { |
3155 | ba223c29 | aliguori | MapClient *client; |
3156 | ba223c29 | aliguori | |
3157 | ba223c29 | aliguori | while (!LIST_EMPTY(&map_client_list)) {
|
3158 | ba223c29 | aliguori | client = LIST_FIRST(&map_client_list); |
3159 | ba223c29 | aliguori | client->callback(client->opaque); |
3160 | ba223c29 | aliguori | LIST_REMOVE(client, link); |
3161 | ba223c29 | aliguori | } |
3162 | ba223c29 | aliguori | } |
3163 | ba223c29 | aliguori | |
3164 | 6d16c2f8 | aliguori | /* Map a physical memory region into a host virtual address.
|
3165 | 6d16c2f8 | aliguori | * May map a subset of the requested range, given by and returned in *plen.
|
3166 | 6d16c2f8 | aliguori | * May return NULL if resources needed to perform the mapping are exhausted.
|
3167 | 6d16c2f8 | aliguori | * Use only for reads OR writes - not for read-modify-write operations.
|
3168 | ba223c29 | aliguori | * Use cpu_register_map_client() to know when retrying the map operation is
|
3169 | ba223c29 | aliguori | * likely to succeed.
|
3170 | 6d16c2f8 | aliguori | */
|
3171 | 6d16c2f8 | aliguori | void *cpu_physical_memory_map(target_phys_addr_t addr,
|
3172 | 6d16c2f8 | aliguori | target_phys_addr_t *plen, |
3173 | 6d16c2f8 | aliguori | int is_write)
|
3174 | 6d16c2f8 | aliguori | { |
3175 | 6d16c2f8 | aliguori | target_phys_addr_t len = *plen; |
3176 | 6d16c2f8 | aliguori | target_phys_addr_t done = 0;
|
3177 | 6d16c2f8 | aliguori | int l;
|
3178 | 6d16c2f8 | aliguori | uint8_t *ret = NULL;
|
3179 | 6d16c2f8 | aliguori | uint8_t *ptr; |
3180 | 6d16c2f8 | aliguori | target_phys_addr_t page; |
3181 | 6d16c2f8 | aliguori | unsigned long pd; |
3182 | 6d16c2f8 | aliguori | PhysPageDesc *p; |
3183 | 6d16c2f8 | aliguori | unsigned long addr1; |
3184 | 6d16c2f8 | aliguori | |
3185 | 6d16c2f8 | aliguori | while (len > 0) { |
3186 | 6d16c2f8 | aliguori | page = addr & TARGET_PAGE_MASK; |
3187 | 6d16c2f8 | aliguori | l = (page + TARGET_PAGE_SIZE) - addr; |
3188 | 6d16c2f8 | aliguori | if (l > len)
|
3189 | 6d16c2f8 | aliguori | l = len; |
3190 | 6d16c2f8 | aliguori | p = phys_page_find(page >> TARGET_PAGE_BITS); |
3191 | 6d16c2f8 | aliguori | if (!p) {
|
3192 | 6d16c2f8 | aliguori | pd = IO_MEM_UNASSIGNED; |
3193 | 6d16c2f8 | aliguori | } else {
|
3194 | 6d16c2f8 | aliguori | pd = p->phys_offset; |
3195 | 6d16c2f8 | aliguori | } |
3196 | 6d16c2f8 | aliguori | |
3197 | 6d16c2f8 | aliguori | if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
|
3198 | 6d16c2f8 | aliguori | if (done || bounce.buffer) {
|
3199 | 6d16c2f8 | aliguori | break;
|
3200 | 6d16c2f8 | aliguori | } |
3201 | 6d16c2f8 | aliguori | bounce.buffer = qemu_memalign(TARGET_PAGE_SIZE, TARGET_PAGE_SIZE); |
3202 | 6d16c2f8 | aliguori | bounce.addr = addr; |
3203 | 6d16c2f8 | aliguori | bounce.len = l; |
3204 | 6d16c2f8 | aliguori | if (!is_write) {
|
3205 | 6d16c2f8 | aliguori | cpu_physical_memory_rw(addr, bounce.buffer, l, 0);
|
3206 | 6d16c2f8 | aliguori | } |
3207 | 6d16c2f8 | aliguori | ptr = bounce.buffer; |
3208 | 6d16c2f8 | aliguori | } else {
|
3209 | 6d16c2f8 | aliguori | addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); |
3210 | 6d16c2f8 | aliguori | ptr = phys_ram_base + addr1; |
3211 | 6d16c2f8 | aliguori | } |
3212 | 6d16c2f8 | aliguori | if (!done) {
|
3213 | 6d16c2f8 | aliguori | ret = ptr; |
3214 | 6d16c2f8 | aliguori | } else if (ret + done != ptr) { |
3215 | 6d16c2f8 | aliguori | break;
|
3216 | 6d16c2f8 | aliguori | } |
3217 | 6d16c2f8 | aliguori | |
3218 | 6d16c2f8 | aliguori | len -= l; |
3219 | 6d16c2f8 | aliguori | addr += l; |
3220 | 6d16c2f8 | aliguori | done += l; |
3221 | 6d16c2f8 | aliguori | } |
3222 | 6d16c2f8 | aliguori | *plen = done; |
3223 | 6d16c2f8 | aliguori | return ret;
|
3224 | 6d16c2f8 | aliguori | } |
3225 | 6d16c2f8 | aliguori | |
3226 | 6d16c2f8 | aliguori | /* Unmaps a memory region previously mapped by cpu_physical_memory_map().
|
3227 | 6d16c2f8 | aliguori | * Will also mark the memory as dirty if is_write == 1. access_len gives
|
3228 | 6d16c2f8 | aliguori | * the amount of memory that was actually read or written by the caller.
|
3229 | 6d16c2f8 | aliguori | */
|
3230 | 6d16c2f8 | aliguori | void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len, |
3231 | 6d16c2f8 | aliguori | int is_write, target_phys_addr_t access_len)
|
3232 | 6d16c2f8 | aliguori | { |
3233 | 6d16c2f8 | aliguori | if (buffer != bounce.buffer) {
|
3234 | 6d16c2f8 | aliguori | if (is_write) {
|
3235 | 6d16c2f8 | aliguori | unsigned long addr1 = (uint8_t *)buffer - phys_ram_base; |
3236 | 6d16c2f8 | aliguori | while (access_len) {
|
3237 | 6d16c2f8 | aliguori | unsigned l;
|
3238 | 6d16c2f8 | aliguori | l = TARGET_PAGE_SIZE; |
3239 | 6d16c2f8 | aliguori | if (l > access_len)
|
3240 | 6d16c2f8 | aliguori | l = access_len; |
3241 | 6d16c2f8 | aliguori | if (!cpu_physical_memory_is_dirty(addr1)) {
|
3242 | 6d16c2f8 | aliguori | /* invalidate code */
|
3243 | 6d16c2f8 | aliguori | tb_invalidate_phys_page_range(addr1, addr1 + l, 0);
|
3244 | 6d16c2f8 | aliguori | /* set dirty bit */
|
3245 | 6d16c2f8 | aliguori | phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |= |
3246 | 6d16c2f8 | aliguori | (0xff & ~CODE_DIRTY_FLAG);
|
3247 | 6d16c2f8 | aliguori | } |
3248 | 6d16c2f8 | aliguori | addr1 += l; |
3249 | 6d16c2f8 | aliguori | access_len -= l; |
3250 | 6d16c2f8 | aliguori | } |
3251 | 6d16c2f8 | aliguori | } |
3252 | 6d16c2f8 | aliguori | return;
|
3253 | 6d16c2f8 | aliguori | } |
3254 | 6d16c2f8 | aliguori | if (is_write) {
|
3255 | 6d16c2f8 | aliguori | cpu_physical_memory_write(bounce.addr, bounce.buffer, access_len); |
3256 | 6d16c2f8 | aliguori | } |
3257 | 6d16c2f8 | aliguori | qemu_free(bounce.buffer); |
3258 | 6d16c2f8 | aliguori | bounce.buffer = NULL;
|
3259 | ba223c29 | aliguori | cpu_notify_map_clients(); |
3260 | 6d16c2f8 | aliguori | } |
3261 | d0ecd2aa | bellard | |
3262 | 8df1cd07 | bellard | /* warning: addr must be aligned */
|
3263 | 8df1cd07 | bellard | uint32_t ldl_phys(target_phys_addr_t addr) |
3264 | 8df1cd07 | bellard | { |
3265 | 8df1cd07 | bellard | int io_index;
|
3266 | 8df1cd07 | bellard | uint8_t *ptr; |
3267 | 8df1cd07 | bellard | uint32_t val; |
3268 | 8df1cd07 | bellard | unsigned long pd; |
3269 | 8df1cd07 | bellard | PhysPageDesc *p; |
3270 | 8df1cd07 | bellard | |
3271 | 8df1cd07 | bellard | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
3272 | 8df1cd07 | bellard | if (!p) {
|
3273 | 8df1cd07 | bellard | pd = IO_MEM_UNASSIGNED; |
3274 | 8df1cd07 | bellard | } else {
|
3275 | 8df1cd07 | bellard | pd = p->phys_offset; |
3276 | 8df1cd07 | bellard | } |
3277 | 3b46e624 | ths | |
3278 | 5fafdf24 | ths | if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM &&
|
3279 | 2a4188a3 | bellard | !(pd & IO_MEM_ROMD)) { |
3280 | 8df1cd07 | bellard | /* I/O case */
|
3281 | 8df1cd07 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
3282 | 8da3ff18 | pbrook | if (p)
|
3283 | 8da3ff18 | pbrook | addr = (addr & ~TARGET_PAGE_MASK) + p->region_offset; |
3284 | 8df1cd07 | bellard | val = io_mem_read[io_index][2](io_mem_opaque[io_index], addr);
|
3285 | 8df1cd07 | bellard | } else {
|
3286 | 8df1cd07 | bellard | /* RAM case */
|
3287 | 5fafdf24 | ths | ptr = phys_ram_base + (pd & TARGET_PAGE_MASK) + |
3288 | 8df1cd07 | bellard | (addr & ~TARGET_PAGE_MASK); |
3289 | 8df1cd07 | bellard | val = ldl_p(ptr); |
3290 | 8df1cd07 | bellard | } |
3291 | 8df1cd07 | bellard | return val;
|
3292 | 8df1cd07 | bellard | } |
3293 | 8df1cd07 | bellard | |
3294 | 84b7b8e7 | bellard | /* warning: addr must be aligned */
|
3295 | 84b7b8e7 | bellard | uint64_t ldq_phys(target_phys_addr_t addr) |
3296 | 84b7b8e7 | bellard | { |
3297 | 84b7b8e7 | bellard | int io_index;
|
3298 | 84b7b8e7 | bellard | uint8_t *ptr; |
3299 | 84b7b8e7 | bellard | uint64_t val; |
3300 | 84b7b8e7 | bellard | unsigned long pd; |
3301 | 84b7b8e7 | bellard | PhysPageDesc *p; |
3302 | 84b7b8e7 | bellard | |
3303 | 84b7b8e7 | bellard | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
3304 | 84b7b8e7 | bellard | if (!p) {
|
3305 | 84b7b8e7 | bellard | pd = IO_MEM_UNASSIGNED; |
3306 | 84b7b8e7 | bellard | } else {
|
3307 | 84b7b8e7 | bellard | pd = p->phys_offset; |
3308 | 84b7b8e7 | bellard | } |
3309 | 3b46e624 | ths | |
3310 | 2a4188a3 | bellard | if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM &&
|
3311 | 2a4188a3 | bellard | !(pd & IO_MEM_ROMD)) { |
3312 | 84b7b8e7 | bellard | /* I/O case */
|
3313 | 84b7b8e7 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
3314 | 8da3ff18 | pbrook | if (p)
|
3315 | 8da3ff18 | pbrook | addr = (addr & ~TARGET_PAGE_MASK) + p->region_offset; |
3316 | 84b7b8e7 | bellard | #ifdef TARGET_WORDS_BIGENDIAN
|
3317 | 84b7b8e7 | bellard | val = (uint64_t)io_mem_read[io_index][2](io_mem_opaque[io_index], addr) << 32; |
3318 | 84b7b8e7 | bellard | val |= io_mem_read[io_index][2](io_mem_opaque[io_index], addr + 4); |
3319 | 84b7b8e7 | bellard | #else
|
3320 | 84b7b8e7 | bellard | val = io_mem_read[io_index][2](io_mem_opaque[io_index], addr);
|
3321 | 84b7b8e7 | bellard | val |= (uint64_t)io_mem_read[io_index][2](io_mem_opaque[io_index], addr + 4) << 32; |
3322 | 84b7b8e7 | bellard | #endif
|
3323 | 84b7b8e7 | bellard | } else {
|
3324 | 84b7b8e7 | bellard | /* RAM case */
|
3325 | 5fafdf24 | ths | ptr = phys_ram_base + (pd & TARGET_PAGE_MASK) + |
3326 | 84b7b8e7 | bellard | (addr & ~TARGET_PAGE_MASK); |
3327 | 84b7b8e7 | bellard | val = ldq_p(ptr); |
3328 | 84b7b8e7 | bellard | } |
3329 | 84b7b8e7 | bellard | return val;
|
3330 | 84b7b8e7 | bellard | } |
3331 | 84b7b8e7 | bellard | |
3332 | aab33094 | bellard | /* XXX: optimize */
|
3333 | aab33094 | bellard | uint32_t ldub_phys(target_phys_addr_t addr) |
3334 | aab33094 | bellard | { |
3335 | aab33094 | bellard | uint8_t val; |
3336 | aab33094 | bellard | cpu_physical_memory_read(addr, &val, 1);
|
3337 | aab33094 | bellard | return val;
|
3338 | aab33094 | bellard | } |
3339 | aab33094 | bellard | |
3340 | aab33094 | bellard | /* XXX: optimize */
|
3341 | aab33094 | bellard | uint32_t lduw_phys(target_phys_addr_t addr) |
3342 | aab33094 | bellard | { |
3343 | aab33094 | bellard | uint16_t val; |
3344 | aab33094 | bellard | cpu_physical_memory_read(addr, (uint8_t *)&val, 2);
|
3345 | aab33094 | bellard | return tswap16(val);
|
3346 | aab33094 | bellard | } |
3347 | aab33094 | bellard | |
3348 | 8df1cd07 | bellard | /* warning: addr must be aligned. The ram page is not masked as dirty
|
3349 | 8df1cd07 | bellard | and the code inside is not invalidated. It is useful if the dirty
|
3350 | 8df1cd07 | bellard | bits are used to track modified PTEs */
|
3351 | 8df1cd07 | bellard | void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val)
|
3352 | 8df1cd07 | bellard | { |
3353 | 8df1cd07 | bellard | int io_index;
|
3354 | 8df1cd07 | bellard | uint8_t *ptr; |
3355 | 8df1cd07 | bellard | unsigned long pd; |
3356 | 8df1cd07 | bellard | PhysPageDesc *p; |
3357 | 8df1cd07 | bellard | |
3358 | 8df1cd07 | bellard | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
3359 | 8df1cd07 | bellard | if (!p) {
|
3360 | 8df1cd07 | bellard | pd = IO_MEM_UNASSIGNED; |
3361 | 8df1cd07 | bellard | } else {
|
3362 | 8df1cd07 | bellard | pd = p->phys_offset; |
3363 | 8df1cd07 | bellard | } |
3364 | 3b46e624 | ths | |
3365 | 3a7d929e | bellard | if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
|
3366 | 8df1cd07 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
3367 | 8da3ff18 | pbrook | if (p)
|
3368 | 8da3ff18 | pbrook | addr = (addr & ~TARGET_PAGE_MASK) + p->region_offset; |
3369 | 8df1cd07 | bellard | io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val);
|
3370 | 8df1cd07 | bellard | } else {
|
3371 | 74576198 | aliguori | unsigned long addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); |
3372 | 74576198 | aliguori | ptr = phys_ram_base + addr1; |
3373 | 8df1cd07 | bellard | stl_p(ptr, val); |
3374 | 74576198 | aliguori | |
3375 | 74576198 | aliguori | if (unlikely(in_migration)) {
|
3376 | 74576198 | aliguori | if (!cpu_physical_memory_is_dirty(addr1)) {
|
3377 | 74576198 | aliguori | /* invalidate code */
|
3378 | 74576198 | aliguori | tb_invalidate_phys_page_range(addr1, addr1 + 4, 0); |
3379 | 74576198 | aliguori | /* set dirty bit */
|
3380 | 74576198 | aliguori | phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |= |
3381 | 74576198 | aliguori | (0xff & ~CODE_DIRTY_FLAG);
|
3382 | 74576198 | aliguori | } |
3383 | 74576198 | aliguori | } |
3384 | 8df1cd07 | bellard | } |
3385 | 8df1cd07 | bellard | } |
3386 | 8df1cd07 | bellard | |
3387 | bc98a7ef | j_mayer | void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val)
|
3388 | bc98a7ef | j_mayer | { |
3389 | bc98a7ef | j_mayer | int io_index;
|
3390 | bc98a7ef | j_mayer | uint8_t *ptr; |
3391 | bc98a7ef | j_mayer | unsigned long pd; |
3392 | bc98a7ef | j_mayer | PhysPageDesc *p; |
3393 | bc98a7ef | j_mayer | |
3394 | bc98a7ef | j_mayer | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
3395 | bc98a7ef | j_mayer | if (!p) {
|
3396 | bc98a7ef | j_mayer | pd = IO_MEM_UNASSIGNED; |
3397 | bc98a7ef | j_mayer | } else {
|
3398 | bc98a7ef | j_mayer | pd = p->phys_offset; |
3399 | bc98a7ef | j_mayer | } |
3400 | 3b46e624 | ths | |
3401 | bc98a7ef | j_mayer | if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
|
3402 | bc98a7ef | j_mayer | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
3403 | 8da3ff18 | pbrook | if (p)
|
3404 | 8da3ff18 | pbrook | addr = (addr & ~TARGET_PAGE_MASK) + p->region_offset; |
3405 | bc98a7ef | j_mayer | #ifdef TARGET_WORDS_BIGENDIAN
|
3406 | bc98a7ef | j_mayer | io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val >> 32); |
3407 | bc98a7ef | j_mayer | io_mem_write[io_index][2](io_mem_opaque[io_index], addr + 4, val); |
3408 | bc98a7ef | j_mayer | #else
|
3409 | bc98a7ef | j_mayer | io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val);
|
3410 | bc98a7ef | j_mayer | io_mem_write[io_index][2](io_mem_opaque[io_index], addr + 4, val >> 32); |
3411 | bc98a7ef | j_mayer | #endif
|
3412 | bc98a7ef | j_mayer | } else {
|
3413 | 5fafdf24 | ths | ptr = phys_ram_base + (pd & TARGET_PAGE_MASK) + |
3414 | bc98a7ef | j_mayer | (addr & ~TARGET_PAGE_MASK); |
3415 | bc98a7ef | j_mayer | stq_p(ptr, val); |
3416 | bc98a7ef | j_mayer | } |
3417 | bc98a7ef | j_mayer | } |
3418 | bc98a7ef | j_mayer | |
3419 | 8df1cd07 | bellard | /* warning: addr must be aligned */
|
3420 | 8df1cd07 | bellard | void stl_phys(target_phys_addr_t addr, uint32_t val)
|
3421 | 8df1cd07 | bellard | { |
3422 | 8df1cd07 | bellard | int io_index;
|
3423 | 8df1cd07 | bellard | uint8_t *ptr; |
3424 | 8df1cd07 | bellard | unsigned long pd; |
3425 | 8df1cd07 | bellard | PhysPageDesc *p; |
3426 | 8df1cd07 | bellard | |
3427 | 8df1cd07 | bellard | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
3428 | 8df1cd07 | bellard | if (!p) {
|
3429 | 8df1cd07 | bellard | pd = IO_MEM_UNASSIGNED; |
3430 | 8df1cd07 | bellard | } else {
|
3431 | 8df1cd07 | bellard | pd = p->phys_offset; |
3432 | 8df1cd07 | bellard | } |
3433 | 3b46e624 | ths | |
3434 | 3a7d929e | bellard | if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
|
3435 | 8df1cd07 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
3436 | 8da3ff18 | pbrook | if (p)
|
3437 | 8da3ff18 | pbrook | addr = (addr & ~TARGET_PAGE_MASK) + p->region_offset; |
3438 | 8df1cd07 | bellard | io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val);
|
3439 | 8df1cd07 | bellard | } else {
|
3440 | 8df1cd07 | bellard | unsigned long addr1; |
3441 | 8df1cd07 | bellard | addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); |
3442 | 8df1cd07 | bellard | /* RAM case */
|
3443 | 8df1cd07 | bellard | ptr = phys_ram_base + addr1; |
3444 | 8df1cd07 | bellard | stl_p(ptr, val); |
3445 | 3a7d929e | bellard | if (!cpu_physical_memory_is_dirty(addr1)) {
|
3446 | 3a7d929e | bellard | /* invalidate code */
|
3447 | 3a7d929e | bellard | tb_invalidate_phys_page_range(addr1, addr1 + 4, 0); |
3448 | 3a7d929e | bellard | /* set dirty bit */
|
3449 | f23db169 | bellard | phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |= |
3450 | f23db169 | bellard | (0xff & ~CODE_DIRTY_FLAG);
|
3451 | 3a7d929e | bellard | } |
3452 | 8df1cd07 | bellard | } |
3453 | 8df1cd07 | bellard | } |
3454 | 8df1cd07 | bellard | |
3455 | aab33094 | bellard | /* XXX: optimize */
|
3456 | aab33094 | bellard | void stb_phys(target_phys_addr_t addr, uint32_t val)
|
3457 | aab33094 | bellard | { |
3458 | aab33094 | bellard | uint8_t v = val; |
3459 | aab33094 | bellard | cpu_physical_memory_write(addr, &v, 1);
|
3460 | aab33094 | bellard | } |
3461 | aab33094 | bellard | |
3462 | aab33094 | bellard | /* XXX: optimize */
|
3463 | aab33094 | bellard | void stw_phys(target_phys_addr_t addr, uint32_t val)
|
3464 | aab33094 | bellard | { |
3465 | aab33094 | bellard | uint16_t v = tswap16(val); |
3466 | aab33094 | bellard | cpu_physical_memory_write(addr, (const uint8_t *)&v, 2); |
3467 | aab33094 | bellard | } |
3468 | aab33094 | bellard | |
3469 | aab33094 | bellard | /* XXX: optimize */
|
3470 | aab33094 | bellard | void stq_phys(target_phys_addr_t addr, uint64_t val)
|
3471 | aab33094 | bellard | { |
3472 | aab33094 | bellard | val = tswap64(val); |
3473 | aab33094 | bellard | cpu_physical_memory_write(addr, (const uint8_t *)&val, 8); |
3474 | aab33094 | bellard | } |
3475 | aab33094 | bellard | |
3476 | 13eb76e0 | bellard | #endif
|
3477 | 13eb76e0 | bellard | |
3478 | 5e2972fd | aliguori | /* virtual memory access for debug (includes writing to ROM) */
|
3479 | 5fafdf24 | ths | int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
|
3480 | b448f2f3 | bellard | uint8_t *buf, int len, int is_write) |
3481 | 13eb76e0 | bellard | { |
3482 | 13eb76e0 | bellard | int l;
|
3483 | 9b3c35e0 | j_mayer | target_phys_addr_t phys_addr; |
3484 | 9b3c35e0 | j_mayer | target_ulong page; |
3485 | 13eb76e0 | bellard | |
3486 | 13eb76e0 | bellard | while (len > 0) { |
3487 | 13eb76e0 | bellard | page = addr & TARGET_PAGE_MASK; |
3488 | 13eb76e0 | bellard | phys_addr = cpu_get_phys_page_debug(env, page); |
3489 | 13eb76e0 | bellard | /* if no physical page mapped, return an error */
|
3490 | 13eb76e0 | bellard | if (phys_addr == -1) |
3491 | 13eb76e0 | bellard | return -1; |
3492 | 13eb76e0 | bellard | l = (page + TARGET_PAGE_SIZE) - addr; |
3493 | 13eb76e0 | bellard | if (l > len)
|
3494 | 13eb76e0 | bellard | l = len; |
3495 | 5e2972fd | aliguori | phys_addr += (addr & ~TARGET_PAGE_MASK); |
3496 | 5e2972fd | aliguori | #if !defined(CONFIG_USER_ONLY)
|
3497 | 5e2972fd | aliguori | if (is_write)
|
3498 | 5e2972fd | aliguori | cpu_physical_memory_write_rom(phys_addr, buf, l); |
3499 | 5e2972fd | aliguori | else
|
3500 | 5e2972fd | aliguori | #endif
|
3501 | 5e2972fd | aliguori | cpu_physical_memory_rw(phys_addr, buf, l, is_write); |
3502 | 13eb76e0 | bellard | len -= l; |
3503 | 13eb76e0 | bellard | buf += l; |
3504 | 13eb76e0 | bellard | addr += l; |
3505 | 13eb76e0 | bellard | } |
3506 | 13eb76e0 | bellard | return 0; |
3507 | 13eb76e0 | bellard | } |
3508 | 13eb76e0 | bellard | |
3509 | 2e70f6ef | pbrook | /* in deterministic execution mode, instructions doing device I/Os
|
3510 | 2e70f6ef | pbrook | must be at the end of the TB */
|
3511 | 2e70f6ef | pbrook | void cpu_io_recompile(CPUState *env, void *retaddr) |
3512 | 2e70f6ef | pbrook | { |
3513 | 2e70f6ef | pbrook | TranslationBlock *tb; |
3514 | 2e70f6ef | pbrook | uint32_t n, cflags; |
3515 | 2e70f6ef | pbrook | target_ulong pc, cs_base; |
3516 | 2e70f6ef | pbrook | uint64_t flags; |
3517 | 2e70f6ef | pbrook | |
3518 | 2e70f6ef | pbrook | tb = tb_find_pc((unsigned long)retaddr); |
3519 | 2e70f6ef | pbrook | if (!tb) {
|
3520 | 2e70f6ef | pbrook | cpu_abort(env, "cpu_io_recompile: could not find TB for pc=%p",
|
3521 | 2e70f6ef | pbrook | retaddr); |
3522 | 2e70f6ef | pbrook | } |
3523 | 2e70f6ef | pbrook | n = env->icount_decr.u16.low + tb->icount; |
3524 | 2e70f6ef | pbrook | cpu_restore_state(tb, env, (unsigned long)retaddr, NULL); |
3525 | 2e70f6ef | pbrook | /* Calculate how many instructions had been executed before the fault
|
3526 | bf20dc07 | ths | occurred. */
|
3527 | 2e70f6ef | pbrook | n = n - env->icount_decr.u16.low; |
3528 | 2e70f6ef | pbrook | /* Generate a new TB ending on the I/O insn. */
|
3529 | 2e70f6ef | pbrook | n++; |
3530 | 2e70f6ef | pbrook | /* On MIPS and SH, delay slot instructions can only be restarted if
|
3531 | 2e70f6ef | pbrook | they were already the first instruction in the TB. If this is not
|
3532 | bf20dc07 | ths | the first instruction in a TB then re-execute the preceding
|
3533 | 2e70f6ef | pbrook | branch. */
|
3534 | 2e70f6ef | pbrook | #if defined(TARGET_MIPS)
|
3535 | 2e70f6ef | pbrook | if ((env->hflags & MIPS_HFLAG_BMASK) != 0 && n > 1) { |
3536 | 2e70f6ef | pbrook | env->active_tc.PC -= 4;
|
3537 | 2e70f6ef | pbrook | env->icount_decr.u16.low++; |
3538 | 2e70f6ef | pbrook | env->hflags &= ~MIPS_HFLAG_BMASK; |
3539 | 2e70f6ef | pbrook | } |
3540 | 2e70f6ef | pbrook | #elif defined(TARGET_SH4)
|
3541 | 2e70f6ef | pbrook | if ((env->flags & ((DELAY_SLOT | DELAY_SLOT_CONDITIONAL))) != 0 |
3542 | 2e70f6ef | pbrook | && n > 1) {
|
3543 | 2e70f6ef | pbrook | env->pc -= 2;
|
3544 | 2e70f6ef | pbrook | env->icount_decr.u16.low++; |
3545 | 2e70f6ef | pbrook | env->flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL); |
3546 | 2e70f6ef | pbrook | } |
3547 | 2e70f6ef | pbrook | #endif
|
3548 | 2e70f6ef | pbrook | /* This should never happen. */
|
3549 | 2e70f6ef | pbrook | if (n > CF_COUNT_MASK)
|
3550 | 2e70f6ef | pbrook | cpu_abort(env, "TB too big during recompile");
|
3551 | 2e70f6ef | pbrook | |
3552 | 2e70f6ef | pbrook | cflags = n | CF_LAST_IO; |
3553 | 2e70f6ef | pbrook | pc = tb->pc; |
3554 | 2e70f6ef | pbrook | cs_base = tb->cs_base; |
3555 | 2e70f6ef | pbrook | flags = tb->flags; |
3556 | 2e70f6ef | pbrook | tb_phys_invalidate(tb, -1);
|
3557 | 2e70f6ef | pbrook | /* FIXME: In theory this could raise an exception. In practice
|
3558 | 2e70f6ef | pbrook | we have already translated the block once so it's probably ok. */
|
3559 | 2e70f6ef | pbrook | tb_gen_code(env, pc, cs_base, flags, cflags); |
3560 | bf20dc07 | ths | /* TODO: If env->pc != tb->pc (i.e. the faulting instruction was not
|
3561 | 2e70f6ef | pbrook | the first in the TB) then we end up generating a whole new TB and
|
3562 | 2e70f6ef | pbrook | repeating the fault, which is horribly inefficient.
|
3563 | 2e70f6ef | pbrook | Better would be to execute just this insn uncached, or generate a
|
3564 | 2e70f6ef | pbrook | second new TB. */
|
3565 | 2e70f6ef | pbrook | cpu_resume_from_signal(env, NULL);
|
3566 | 2e70f6ef | pbrook | } |
3567 | 2e70f6ef | pbrook | |
3568 | e3db7226 | bellard | void dump_exec_info(FILE *f,
|
3569 | e3db7226 | bellard | int (*cpu_fprintf)(FILE *f, const char *fmt, ...)) |
3570 | e3db7226 | bellard | { |
3571 | e3db7226 | bellard | int i, target_code_size, max_target_code_size;
|
3572 | e3db7226 | bellard | int direct_jmp_count, direct_jmp2_count, cross_page;
|
3573 | e3db7226 | bellard | TranslationBlock *tb; |
3574 | 3b46e624 | ths | |
3575 | e3db7226 | bellard | target_code_size = 0;
|
3576 | e3db7226 | bellard | max_target_code_size = 0;
|
3577 | e3db7226 | bellard | cross_page = 0;
|
3578 | e3db7226 | bellard | direct_jmp_count = 0;
|
3579 | e3db7226 | bellard | direct_jmp2_count = 0;
|
3580 | e3db7226 | bellard | for(i = 0; i < nb_tbs; i++) { |
3581 | e3db7226 | bellard | tb = &tbs[i]; |
3582 | e3db7226 | bellard | target_code_size += tb->size; |
3583 | e3db7226 | bellard | if (tb->size > max_target_code_size)
|
3584 | e3db7226 | bellard | max_target_code_size = tb->size; |
3585 | e3db7226 | bellard | if (tb->page_addr[1] != -1) |
3586 | e3db7226 | bellard | cross_page++; |
3587 | e3db7226 | bellard | if (tb->tb_next_offset[0] != 0xffff) { |
3588 | e3db7226 | bellard | direct_jmp_count++; |
3589 | e3db7226 | bellard | if (tb->tb_next_offset[1] != 0xffff) { |
3590 | e3db7226 | bellard | direct_jmp2_count++; |
3591 | e3db7226 | bellard | } |
3592 | e3db7226 | bellard | } |
3593 | e3db7226 | bellard | } |
3594 | e3db7226 | bellard | /* XXX: avoid using doubles ? */
|
3595 | 57fec1fe | bellard | cpu_fprintf(f, "Translation buffer state:\n");
|
3596 | 26a5f13b | bellard | cpu_fprintf(f, "gen code size %ld/%ld\n",
|
3597 | 26a5f13b | bellard | code_gen_ptr - code_gen_buffer, code_gen_buffer_max_size); |
3598 | 26a5f13b | bellard | cpu_fprintf(f, "TB count %d/%d\n",
|
3599 | 26a5f13b | bellard | nb_tbs, code_gen_max_blocks); |
3600 | 5fafdf24 | ths | cpu_fprintf(f, "TB avg target size %d max=%d bytes\n",
|
3601 | e3db7226 | bellard | nb_tbs ? target_code_size / nb_tbs : 0,
|
3602 | e3db7226 | bellard | max_target_code_size); |
3603 | 5fafdf24 | ths | cpu_fprintf(f, "TB avg host size %d bytes (expansion ratio: %0.1f)\n",
|
3604 | e3db7226 | bellard | nb_tbs ? (code_gen_ptr - code_gen_buffer) / nb_tbs : 0,
|
3605 | e3db7226 | bellard | target_code_size ? (double) (code_gen_ptr - code_gen_buffer) / target_code_size : 0); |
3606 | 5fafdf24 | ths | cpu_fprintf(f, "cross page TB count %d (%d%%)\n",
|
3607 | 5fafdf24 | ths | cross_page, |
3608 | e3db7226 | bellard | nb_tbs ? (cross_page * 100) / nb_tbs : 0); |
3609 | e3db7226 | bellard | cpu_fprintf(f, "direct jump count %d (%d%%) (2 jumps=%d %d%%)\n",
|
3610 | 5fafdf24 | ths | direct_jmp_count, |
3611 | e3db7226 | bellard | nb_tbs ? (direct_jmp_count * 100) / nb_tbs : 0, |
3612 | e3db7226 | bellard | direct_jmp2_count, |
3613 | e3db7226 | bellard | nb_tbs ? (direct_jmp2_count * 100) / nb_tbs : 0); |
3614 | 57fec1fe | bellard | cpu_fprintf(f, "\nStatistics:\n");
|
3615 | e3db7226 | bellard | cpu_fprintf(f, "TB flush count %d\n", tb_flush_count);
|
3616 | e3db7226 | bellard | cpu_fprintf(f, "TB invalidate count %d\n", tb_phys_invalidate_count);
|
3617 | e3db7226 | bellard | cpu_fprintf(f, "TLB flush count %d\n", tlb_flush_count);
|
3618 | b67d9a52 | bellard | tcg_dump_info(f, cpu_fprintf); |
3619 | e3db7226 | bellard | } |
3620 | e3db7226 | bellard | |
3621 | 5fafdf24 | ths | #if !defined(CONFIG_USER_ONLY)
|
3622 | 61382a50 | bellard | |
3623 | 61382a50 | bellard | #define MMUSUFFIX _cmmu
|
3624 | 61382a50 | bellard | #define GETPC() NULL |
3625 | 61382a50 | bellard | #define env cpu_single_env
|
3626 | b769d8fe | bellard | #define SOFTMMU_CODE_ACCESS
|
3627 | 61382a50 | bellard | |
3628 | 61382a50 | bellard | #define SHIFT 0 |
3629 | 61382a50 | bellard | #include "softmmu_template.h" |
3630 | 61382a50 | bellard | |
3631 | 61382a50 | bellard | #define SHIFT 1 |
3632 | 61382a50 | bellard | #include "softmmu_template.h" |
3633 | 61382a50 | bellard | |
3634 | 61382a50 | bellard | #define SHIFT 2 |
3635 | 61382a50 | bellard | #include "softmmu_template.h" |
3636 | 61382a50 | bellard | |
3637 | 61382a50 | bellard | #define SHIFT 3 |
3638 | 61382a50 | bellard | #include "softmmu_template.h" |
3639 | 61382a50 | bellard | |
3640 | 61382a50 | bellard | #undef env
|
3641 | 61382a50 | bellard | |
3642 | 61382a50 | bellard | #endif |