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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 | 54936004 | bellard | *
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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 | 54936004 | bellard | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 | 53a5960a | pbrook | #if defined(CONFIG_USER_ONLY)
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38 | 53a5960a | pbrook | #include <qemu.h> |
39 | 53a5960a | pbrook | #endif
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40 | 54936004 | bellard | |
41 | fd6ce8f6 | bellard | //#define DEBUG_TB_INVALIDATE
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42 | 66e85a21 | bellard | //#define DEBUG_FLUSH
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43 | 9fa3e853 | bellard | //#define DEBUG_TLB
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44 | fd6ce8f6 | bellard | |
45 | fd6ce8f6 | bellard | /* make various TB consistency checks */
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46 | fd6ce8f6 | bellard | //#define DEBUG_TB_CHECK
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47 | 98857888 | bellard | //#define DEBUG_TLB_CHECK
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48 | fd6ce8f6 | bellard | |
49 | 99773bd4 | pbrook | #if !defined(CONFIG_USER_ONLY)
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50 | 99773bd4 | pbrook | /* TB consistency checks only implemented for usermode emulation. */
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51 | 99773bd4 | pbrook | #undef DEBUG_TB_CHECK
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52 | 99773bd4 | pbrook | #endif
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53 | 99773bd4 | pbrook | |
54 | fd6ce8f6 | bellard | /* threshold to flush the translated code buffer */
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55 | fd6ce8f6 | bellard | #define CODE_GEN_BUFFER_MAX_SIZE (CODE_GEN_BUFFER_SIZE - CODE_GEN_MAX_SIZE)
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56 | fd6ce8f6 | bellard | |
57 | 9fa3e853 | bellard | #define SMC_BITMAP_USE_THRESHOLD 10 |
58 | 9fa3e853 | bellard | |
59 | 9fa3e853 | bellard | #define MMAP_AREA_START 0x00000000 |
60 | 9fa3e853 | bellard | #define MMAP_AREA_END 0xa8000000 |
61 | fd6ce8f6 | bellard | |
62 | 108c49b8 | bellard | #if defined(TARGET_SPARC64)
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63 | 108c49b8 | bellard | #define TARGET_PHYS_ADDR_SPACE_BITS 41 |
64 | 108c49b8 | bellard | #elif defined(TARGET_PPC64)
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65 | 108c49b8 | bellard | #define TARGET_PHYS_ADDR_SPACE_BITS 42 |
66 | 108c49b8 | bellard | #else
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67 | 108c49b8 | bellard | /* Note: for compatibility with kqemu, we use 32 bits for x86_64 */
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68 | 108c49b8 | bellard | #define TARGET_PHYS_ADDR_SPACE_BITS 32 |
69 | 108c49b8 | bellard | #endif
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70 | 108c49b8 | bellard | |
71 | fd6ce8f6 | bellard | TranslationBlock tbs[CODE_GEN_MAX_BLOCKS]; |
72 | 9fa3e853 | bellard | TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE]; |
73 | fd6ce8f6 | bellard | int nb_tbs;
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74 | eb51d102 | bellard | /* any access to the tbs or the page table must use this lock */
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75 | eb51d102 | bellard | spinlock_t tb_lock = SPIN_LOCK_UNLOCKED; |
76 | fd6ce8f6 | bellard | |
77 | b8076a74 | bellard | uint8_t code_gen_buffer[CODE_GEN_BUFFER_SIZE] __attribute__((aligned (32)));
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78 | fd6ce8f6 | bellard | uint8_t *code_gen_ptr; |
79 | fd6ce8f6 | bellard | |
80 | 9fa3e853 | bellard | int phys_ram_size;
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81 | 9fa3e853 | bellard | int phys_ram_fd;
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82 | 9fa3e853 | bellard | uint8_t *phys_ram_base; |
83 | 1ccde1cb | bellard | uint8_t *phys_ram_dirty; |
84 | 9fa3e853 | bellard | |
85 | 6a00d601 | bellard | CPUState *first_cpu; |
86 | 6a00d601 | bellard | /* current CPU in the current thread. It is only valid inside
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87 | 6a00d601 | bellard | cpu_exec() */
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88 | 6a00d601 | bellard | CPUState *cpu_single_env; |
89 | 6a00d601 | bellard | |
90 | 54936004 | bellard | typedef struct PageDesc { |
91 | 92e873b9 | bellard | /* list of TBs intersecting this ram page */
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92 | fd6ce8f6 | bellard | TranslationBlock *first_tb; |
93 | 9fa3e853 | bellard | /* in order to optimize self modifying code, we count the number
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94 | 9fa3e853 | bellard | of lookups we do to a given page to use a bitmap */
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95 | 9fa3e853 | bellard | unsigned int code_write_count; |
96 | 9fa3e853 | bellard | uint8_t *code_bitmap; |
97 | 9fa3e853 | bellard | #if defined(CONFIG_USER_ONLY)
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98 | 9fa3e853 | bellard | unsigned long flags; |
99 | 9fa3e853 | bellard | #endif
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100 | 54936004 | bellard | } PageDesc; |
101 | 54936004 | bellard | |
102 | 92e873b9 | bellard | typedef struct PhysPageDesc { |
103 | 92e873b9 | bellard | /* offset in host memory of the page + io_index in the low 12 bits */
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104 | e04f40b5 | bellard | uint32_t phys_offset; |
105 | 92e873b9 | bellard | } PhysPageDesc; |
106 | 92e873b9 | bellard | |
107 | 54936004 | bellard | #define L2_BITS 10 |
108 | 54936004 | bellard | #define L1_BITS (32 - L2_BITS - TARGET_PAGE_BITS) |
109 | 54936004 | bellard | |
110 | 54936004 | bellard | #define L1_SIZE (1 << L1_BITS) |
111 | 54936004 | bellard | #define L2_SIZE (1 << L2_BITS) |
112 | 54936004 | bellard | |
113 | 33417e70 | bellard | static void io_mem_init(void); |
114 | fd6ce8f6 | bellard | |
115 | 83fb7adf | bellard | unsigned long qemu_real_host_page_size; |
116 | 83fb7adf | bellard | unsigned long qemu_host_page_bits; |
117 | 83fb7adf | bellard | unsigned long qemu_host_page_size; |
118 | 83fb7adf | bellard | unsigned long qemu_host_page_mask; |
119 | 54936004 | bellard | |
120 | 92e873b9 | bellard | /* XXX: for system emulation, it could just be an array */
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121 | 54936004 | bellard | static PageDesc *l1_map[L1_SIZE];
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122 | 0a962c02 | bellard | PhysPageDesc **l1_phys_map; |
123 | 54936004 | bellard | |
124 | 33417e70 | bellard | /* io memory support */
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125 | 33417e70 | bellard | CPUWriteMemoryFunc *io_mem_write[IO_MEM_NB_ENTRIES][4];
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126 | 33417e70 | bellard | CPUReadMemoryFunc *io_mem_read[IO_MEM_NB_ENTRIES][4];
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127 | a4193c8a | bellard | void *io_mem_opaque[IO_MEM_NB_ENTRIES];
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128 | 33417e70 | bellard | static int io_mem_nb; |
129 | 33417e70 | bellard | |
130 | 34865134 | bellard | /* log support */
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131 | 34865134 | bellard | char *logfilename = "/tmp/qemu.log"; |
132 | 34865134 | bellard | FILE *logfile; |
133 | 34865134 | bellard | int loglevel;
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134 | 34865134 | bellard | |
135 | e3db7226 | bellard | /* statistics */
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136 | e3db7226 | bellard | static int tlb_flush_count; |
137 | e3db7226 | bellard | static int tb_flush_count; |
138 | e3db7226 | bellard | static int tb_phys_invalidate_count; |
139 | e3db7226 | bellard | |
140 | b346ff46 | bellard | static void page_init(void) |
141 | 54936004 | bellard | { |
142 | 83fb7adf | bellard | /* NOTE: we can always suppose that qemu_host_page_size >=
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143 | 54936004 | bellard | TARGET_PAGE_SIZE */
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144 | 67b915a5 | bellard | #ifdef _WIN32
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145 | d5a8f07c | bellard | { |
146 | d5a8f07c | bellard | SYSTEM_INFO system_info; |
147 | d5a8f07c | bellard | DWORD old_protect; |
148 | d5a8f07c | bellard | |
149 | d5a8f07c | bellard | GetSystemInfo(&system_info); |
150 | d5a8f07c | bellard | qemu_real_host_page_size = system_info.dwPageSize; |
151 | d5a8f07c | bellard | |
152 | d5a8f07c | bellard | VirtualProtect(code_gen_buffer, sizeof(code_gen_buffer),
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153 | d5a8f07c | bellard | PAGE_EXECUTE_READWRITE, &old_protect); |
154 | d5a8f07c | bellard | } |
155 | 67b915a5 | bellard | #else
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156 | 83fb7adf | bellard | qemu_real_host_page_size = getpagesize(); |
157 | d5a8f07c | bellard | { |
158 | d5a8f07c | bellard | unsigned long start, end; |
159 | d5a8f07c | bellard | |
160 | d5a8f07c | bellard | start = (unsigned long)code_gen_buffer; |
161 | d5a8f07c | bellard | start &= ~(qemu_real_host_page_size - 1);
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162 | d5a8f07c | bellard | |
163 | d5a8f07c | bellard | end = (unsigned long)code_gen_buffer + sizeof(code_gen_buffer); |
164 | d5a8f07c | bellard | end += qemu_real_host_page_size - 1;
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165 | d5a8f07c | bellard | end &= ~(qemu_real_host_page_size - 1);
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166 | d5a8f07c | bellard | |
167 | d5a8f07c | bellard | mprotect((void *)start, end - start,
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168 | d5a8f07c | bellard | PROT_READ | PROT_WRITE | PROT_EXEC); |
169 | d5a8f07c | bellard | } |
170 | 67b915a5 | bellard | #endif
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171 | d5a8f07c | bellard | |
172 | 83fb7adf | bellard | if (qemu_host_page_size == 0) |
173 | 83fb7adf | bellard | qemu_host_page_size = qemu_real_host_page_size; |
174 | 83fb7adf | bellard | if (qemu_host_page_size < TARGET_PAGE_SIZE)
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175 | 83fb7adf | bellard | qemu_host_page_size = TARGET_PAGE_SIZE; |
176 | 83fb7adf | bellard | qemu_host_page_bits = 0;
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177 | 83fb7adf | bellard | while ((1 << qemu_host_page_bits) < qemu_host_page_size) |
178 | 83fb7adf | bellard | qemu_host_page_bits++; |
179 | 83fb7adf | bellard | qemu_host_page_mask = ~(qemu_host_page_size - 1);
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180 | 108c49b8 | bellard | l1_phys_map = qemu_vmalloc(L1_SIZE * sizeof(void *)); |
181 | 108c49b8 | bellard | memset(l1_phys_map, 0, L1_SIZE * sizeof(void *)); |
182 | 54936004 | bellard | } |
183 | 54936004 | bellard | |
184 | fd6ce8f6 | bellard | static inline PageDesc *page_find_alloc(unsigned int index) |
185 | 54936004 | bellard | { |
186 | 54936004 | bellard | PageDesc **lp, *p; |
187 | 54936004 | bellard | |
188 | 54936004 | bellard | lp = &l1_map[index >> L2_BITS]; |
189 | 54936004 | bellard | p = *lp; |
190 | 54936004 | bellard | if (!p) {
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191 | 54936004 | bellard | /* allocate if not found */
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192 | 59817ccb | bellard | p = qemu_malloc(sizeof(PageDesc) * L2_SIZE);
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193 | fd6ce8f6 | bellard | memset(p, 0, sizeof(PageDesc) * L2_SIZE); |
194 | 54936004 | bellard | *lp = p; |
195 | 54936004 | bellard | } |
196 | 54936004 | bellard | return p + (index & (L2_SIZE - 1)); |
197 | 54936004 | bellard | } |
198 | 54936004 | bellard | |
199 | fd6ce8f6 | bellard | static inline PageDesc *page_find(unsigned int index) |
200 | 54936004 | bellard | { |
201 | 54936004 | bellard | PageDesc *p; |
202 | 54936004 | bellard | |
203 | 54936004 | bellard | p = l1_map[index >> L2_BITS]; |
204 | 54936004 | bellard | if (!p)
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205 | 54936004 | bellard | return 0; |
206 | fd6ce8f6 | bellard | return p + (index & (L2_SIZE - 1)); |
207 | fd6ce8f6 | bellard | } |
208 | fd6ce8f6 | bellard | |
209 | 108c49b8 | bellard | static PhysPageDesc *phys_page_find_alloc(target_phys_addr_t index, int alloc) |
210 | 92e873b9 | bellard | { |
211 | 108c49b8 | bellard | void **lp, **p;
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212 | e3f4e2a4 | pbrook | PhysPageDesc *pd; |
213 | 92e873b9 | bellard | |
214 | 108c49b8 | bellard | p = (void **)l1_phys_map;
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215 | 108c49b8 | bellard | #if TARGET_PHYS_ADDR_SPACE_BITS > 32 |
216 | 108c49b8 | bellard | |
217 | 108c49b8 | bellard | #if TARGET_PHYS_ADDR_SPACE_BITS > (32 + L1_BITS) |
218 | 108c49b8 | bellard | #error unsupported TARGET_PHYS_ADDR_SPACE_BITS
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219 | 108c49b8 | bellard | #endif
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220 | 108c49b8 | bellard | lp = p + ((index >> (L1_BITS + L2_BITS)) & (L1_SIZE - 1));
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221 | 92e873b9 | bellard | p = *lp; |
222 | 92e873b9 | bellard | if (!p) {
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223 | 92e873b9 | bellard | /* allocate if not found */
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224 | 108c49b8 | bellard | if (!alloc)
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225 | 108c49b8 | bellard | return NULL; |
226 | 108c49b8 | bellard | p = qemu_vmalloc(sizeof(void *) * L1_SIZE); |
227 | 108c49b8 | bellard | memset(p, 0, sizeof(void *) * L1_SIZE); |
228 | 108c49b8 | bellard | *lp = p; |
229 | 108c49b8 | bellard | } |
230 | 108c49b8 | bellard | #endif
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231 | 108c49b8 | bellard | lp = p + ((index >> L2_BITS) & (L1_SIZE - 1));
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232 | e3f4e2a4 | pbrook | pd = *lp; |
233 | e3f4e2a4 | pbrook | if (!pd) {
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234 | e3f4e2a4 | pbrook | int i;
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235 | 108c49b8 | bellard | /* allocate if not found */
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236 | 108c49b8 | bellard | if (!alloc)
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237 | 108c49b8 | bellard | return NULL; |
238 | e3f4e2a4 | pbrook | pd = qemu_vmalloc(sizeof(PhysPageDesc) * L2_SIZE);
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239 | e3f4e2a4 | pbrook | *lp = pd; |
240 | e3f4e2a4 | pbrook | for (i = 0; i < L2_SIZE; i++) |
241 | e3f4e2a4 | pbrook | pd[i].phys_offset = IO_MEM_UNASSIGNED; |
242 | 92e873b9 | bellard | } |
243 | e3f4e2a4 | pbrook | return ((PhysPageDesc *)pd) + (index & (L2_SIZE - 1)); |
244 | 92e873b9 | bellard | } |
245 | 92e873b9 | bellard | |
246 | 108c49b8 | bellard | static inline PhysPageDesc *phys_page_find(target_phys_addr_t index) |
247 | 92e873b9 | bellard | { |
248 | 108c49b8 | bellard | return phys_page_find_alloc(index, 0); |
249 | 92e873b9 | bellard | } |
250 | 92e873b9 | bellard | |
251 | 9fa3e853 | bellard | #if !defined(CONFIG_USER_ONLY)
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252 | 6a00d601 | bellard | static void tlb_protect_code(ram_addr_t ram_addr); |
253 | 3a7d929e | bellard | static void tlb_unprotect_code_phys(CPUState *env, ram_addr_t ram_addr, |
254 | 3a7d929e | bellard | target_ulong vaddr); |
255 | 9fa3e853 | bellard | #endif
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256 | fd6ce8f6 | bellard | |
257 | 6a00d601 | bellard | void cpu_exec_init(CPUState *env)
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258 | fd6ce8f6 | bellard | { |
259 | 6a00d601 | bellard | CPUState **penv; |
260 | 6a00d601 | bellard | int cpu_index;
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261 | 6a00d601 | bellard | |
262 | fd6ce8f6 | bellard | if (!code_gen_ptr) {
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263 | fd6ce8f6 | bellard | code_gen_ptr = code_gen_buffer; |
264 | b346ff46 | bellard | page_init(); |
265 | 33417e70 | bellard | io_mem_init(); |
266 | fd6ce8f6 | bellard | } |
267 | 6a00d601 | bellard | env->next_cpu = NULL;
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268 | 6a00d601 | bellard | penv = &first_cpu; |
269 | 6a00d601 | bellard | cpu_index = 0;
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270 | 6a00d601 | bellard | while (*penv != NULL) { |
271 | 6a00d601 | bellard | penv = (CPUState **)&(*penv)->next_cpu; |
272 | 6a00d601 | bellard | cpu_index++; |
273 | 6a00d601 | bellard | } |
274 | 6a00d601 | bellard | env->cpu_index = cpu_index; |
275 | 6a00d601 | bellard | *penv = env; |
276 | fd6ce8f6 | bellard | } |
277 | fd6ce8f6 | bellard | |
278 | 9fa3e853 | bellard | static inline void invalidate_page_bitmap(PageDesc *p) |
279 | 9fa3e853 | bellard | { |
280 | 9fa3e853 | bellard | if (p->code_bitmap) {
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281 | 59817ccb | bellard | qemu_free(p->code_bitmap); |
282 | 9fa3e853 | bellard | p->code_bitmap = NULL;
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283 | 9fa3e853 | bellard | } |
284 | 9fa3e853 | bellard | p->code_write_count = 0;
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285 | 9fa3e853 | bellard | } |
286 | 9fa3e853 | bellard | |
287 | fd6ce8f6 | bellard | /* set to NULL all the 'first_tb' fields in all PageDescs */
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288 | fd6ce8f6 | bellard | static void page_flush_tb(void) |
289 | fd6ce8f6 | bellard | { |
290 | fd6ce8f6 | bellard | int i, j;
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291 | fd6ce8f6 | bellard | PageDesc *p; |
292 | fd6ce8f6 | bellard | |
293 | fd6ce8f6 | bellard | for(i = 0; i < L1_SIZE; i++) { |
294 | fd6ce8f6 | bellard | p = l1_map[i]; |
295 | fd6ce8f6 | bellard | if (p) {
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296 | 9fa3e853 | bellard | for(j = 0; j < L2_SIZE; j++) { |
297 | 9fa3e853 | bellard | p->first_tb = NULL;
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298 | 9fa3e853 | bellard | invalidate_page_bitmap(p); |
299 | 9fa3e853 | bellard | p++; |
300 | 9fa3e853 | bellard | } |
301 | fd6ce8f6 | bellard | } |
302 | fd6ce8f6 | bellard | } |
303 | fd6ce8f6 | bellard | } |
304 | fd6ce8f6 | bellard | |
305 | fd6ce8f6 | bellard | /* flush all the translation blocks */
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306 | d4e8164f | bellard | /* XXX: tb_flush is currently not thread safe */
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307 | 6a00d601 | bellard | void tb_flush(CPUState *env1)
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308 | fd6ce8f6 | bellard | { |
309 | 6a00d601 | bellard | CPUState *env; |
310 | 0124311e | bellard | #if defined(DEBUG_FLUSH)
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311 | fd6ce8f6 | bellard | printf("qemu: flush code_size=%d nb_tbs=%d avg_tb_size=%d\n",
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312 | fd6ce8f6 | bellard | code_gen_ptr - code_gen_buffer, |
313 | fd6ce8f6 | bellard | nb_tbs, |
314 | 0124311e | bellard | nb_tbs > 0 ? (code_gen_ptr - code_gen_buffer) / nb_tbs : 0); |
315 | fd6ce8f6 | bellard | #endif
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316 | fd6ce8f6 | bellard | nb_tbs = 0;
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317 | 6a00d601 | bellard | |
318 | 6a00d601 | bellard | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
319 | 6a00d601 | bellard | memset (env->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof (void *)); |
320 | 6a00d601 | bellard | } |
321 | 9fa3e853 | bellard | |
322 | 8a8a608f | bellard | memset (tb_phys_hash, 0, CODE_GEN_PHYS_HASH_SIZE * sizeof (void *)); |
323 | fd6ce8f6 | bellard | page_flush_tb(); |
324 | 9fa3e853 | bellard | |
325 | fd6ce8f6 | bellard | code_gen_ptr = code_gen_buffer; |
326 | d4e8164f | bellard | /* XXX: flush processor icache at this point if cache flush is
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327 | d4e8164f | bellard | expensive */
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328 | e3db7226 | bellard | tb_flush_count++; |
329 | fd6ce8f6 | bellard | } |
330 | fd6ce8f6 | bellard | |
331 | fd6ce8f6 | bellard | #ifdef DEBUG_TB_CHECK
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332 | fd6ce8f6 | bellard | |
333 | fd6ce8f6 | bellard | static void tb_invalidate_check(unsigned long address) |
334 | fd6ce8f6 | bellard | { |
335 | fd6ce8f6 | bellard | TranslationBlock *tb; |
336 | fd6ce8f6 | bellard | int i;
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337 | fd6ce8f6 | bellard | address &= TARGET_PAGE_MASK; |
338 | 99773bd4 | pbrook | for(i = 0;i < CODE_GEN_PHYS_HASH_SIZE; i++) { |
339 | 99773bd4 | pbrook | for(tb = tb_phys_hash[i]; tb != NULL; tb = tb->phys_hash_next) { |
340 | fd6ce8f6 | bellard | if (!(address + TARGET_PAGE_SIZE <= tb->pc ||
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341 | fd6ce8f6 | bellard | address >= tb->pc + tb->size)) { |
342 | fd6ce8f6 | bellard | printf("ERROR invalidate: address=%08lx PC=%08lx size=%04x\n",
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343 | 99773bd4 | pbrook | address, (long)tb->pc, tb->size);
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344 | fd6ce8f6 | bellard | } |
345 | fd6ce8f6 | bellard | } |
346 | fd6ce8f6 | bellard | } |
347 | fd6ce8f6 | bellard | } |
348 | fd6ce8f6 | bellard | |
349 | fd6ce8f6 | bellard | /* verify that all the pages have correct rights for code */
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350 | fd6ce8f6 | bellard | static void tb_page_check(void) |
351 | fd6ce8f6 | bellard | { |
352 | fd6ce8f6 | bellard | TranslationBlock *tb; |
353 | fd6ce8f6 | bellard | int i, flags1, flags2;
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354 | fd6ce8f6 | bellard | |
355 | 99773bd4 | pbrook | for(i = 0;i < CODE_GEN_PHYS_HASH_SIZE; i++) { |
356 | 99773bd4 | pbrook | for(tb = tb_phys_hash[i]; tb != NULL; tb = tb->phys_hash_next) { |
357 | fd6ce8f6 | bellard | flags1 = page_get_flags(tb->pc); |
358 | fd6ce8f6 | bellard | flags2 = page_get_flags(tb->pc + tb->size - 1);
|
359 | fd6ce8f6 | bellard | if ((flags1 & PAGE_WRITE) || (flags2 & PAGE_WRITE)) {
|
360 | fd6ce8f6 | bellard | printf("ERROR page flags: PC=%08lx size=%04x f1=%x f2=%x\n",
|
361 | 99773bd4 | pbrook | (long)tb->pc, tb->size, flags1, flags2);
|
362 | fd6ce8f6 | bellard | } |
363 | fd6ce8f6 | bellard | } |
364 | fd6ce8f6 | bellard | } |
365 | fd6ce8f6 | bellard | } |
366 | fd6ce8f6 | bellard | |
367 | d4e8164f | bellard | void tb_jmp_check(TranslationBlock *tb)
|
368 | d4e8164f | bellard | { |
369 | d4e8164f | bellard | TranslationBlock *tb1; |
370 | d4e8164f | bellard | unsigned int n1; |
371 | d4e8164f | bellard | |
372 | d4e8164f | bellard | /* suppress any remaining jumps to this TB */
|
373 | d4e8164f | bellard | tb1 = tb->jmp_first; |
374 | d4e8164f | bellard | for(;;) {
|
375 | d4e8164f | bellard | n1 = (long)tb1 & 3; |
376 | d4e8164f | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
377 | d4e8164f | bellard | if (n1 == 2) |
378 | d4e8164f | bellard | break;
|
379 | d4e8164f | bellard | tb1 = tb1->jmp_next[n1]; |
380 | d4e8164f | bellard | } |
381 | d4e8164f | bellard | /* check end of list */
|
382 | d4e8164f | bellard | if (tb1 != tb) {
|
383 | d4e8164f | bellard | printf("ERROR: jmp_list from 0x%08lx\n", (long)tb); |
384 | d4e8164f | bellard | } |
385 | d4e8164f | bellard | } |
386 | d4e8164f | bellard | |
387 | fd6ce8f6 | bellard | #endif
|
388 | fd6ce8f6 | bellard | |
389 | fd6ce8f6 | bellard | /* invalidate one TB */
|
390 | fd6ce8f6 | bellard | static inline void tb_remove(TranslationBlock **ptb, TranslationBlock *tb, |
391 | fd6ce8f6 | bellard | int next_offset)
|
392 | fd6ce8f6 | bellard | { |
393 | fd6ce8f6 | bellard | TranslationBlock *tb1; |
394 | fd6ce8f6 | bellard | for(;;) {
|
395 | fd6ce8f6 | bellard | tb1 = *ptb; |
396 | fd6ce8f6 | bellard | if (tb1 == tb) {
|
397 | fd6ce8f6 | bellard | *ptb = *(TranslationBlock **)((char *)tb1 + next_offset);
|
398 | fd6ce8f6 | bellard | break;
|
399 | fd6ce8f6 | bellard | } |
400 | fd6ce8f6 | bellard | ptb = (TranslationBlock **)((char *)tb1 + next_offset);
|
401 | fd6ce8f6 | bellard | } |
402 | fd6ce8f6 | bellard | } |
403 | fd6ce8f6 | bellard | |
404 | 9fa3e853 | bellard | static inline void tb_page_remove(TranslationBlock **ptb, TranslationBlock *tb) |
405 | 9fa3e853 | bellard | { |
406 | 9fa3e853 | bellard | TranslationBlock *tb1; |
407 | 9fa3e853 | bellard | unsigned int n1; |
408 | 9fa3e853 | bellard | |
409 | 9fa3e853 | bellard | for(;;) {
|
410 | 9fa3e853 | bellard | tb1 = *ptb; |
411 | 9fa3e853 | bellard | n1 = (long)tb1 & 3; |
412 | 9fa3e853 | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
413 | 9fa3e853 | bellard | if (tb1 == tb) {
|
414 | 9fa3e853 | bellard | *ptb = tb1->page_next[n1]; |
415 | 9fa3e853 | bellard | break;
|
416 | 9fa3e853 | bellard | } |
417 | 9fa3e853 | bellard | ptb = &tb1->page_next[n1]; |
418 | 9fa3e853 | bellard | } |
419 | 9fa3e853 | bellard | } |
420 | 9fa3e853 | bellard | |
421 | d4e8164f | bellard | static inline void tb_jmp_remove(TranslationBlock *tb, int n) |
422 | d4e8164f | bellard | { |
423 | d4e8164f | bellard | TranslationBlock *tb1, **ptb; |
424 | d4e8164f | bellard | unsigned int n1; |
425 | d4e8164f | bellard | |
426 | d4e8164f | bellard | ptb = &tb->jmp_next[n]; |
427 | d4e8164f | bellard | tb1 = *ptb; |
428 | d4e8164f | bellard | if (tb1) {
|
429 | d4e8164f | bellard | /* find tb(n) in circular list */
|
430 | d4e8164f | bellard | for(;;) {
|
431 | d4e8164f | bellard | tb1 = *ptb; |
432 | d4e8164f | bellard | n1 = (long)tb1 & 3; |
433 | d4e8164f | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
434 | d4e8164f | bellard | if (n1 == n && tb1 == tb)
|
435 | d4e8164f | bellard | break;
|
436 | d4e8164f | bellard | if (n1 == 2) { |
437 | d4e8164f | bellard | ptb = &tb1->jmp_first; |
438 | d4e8164f | bellard | } else {
|
439 | d4e8164f | bellard | ptb = &tb1->jmp_next[n1]; |
440 | d4e8164f | bellard | } |
441 | d4e8164f | bellard | } |
442 | d4e8164f | bellard | /* now we can suppress tb(n) from the list */
|
443 | d4e8164f | bellard | *ptb = tb->jmp_next[n]; |
444 | d4e8164f | bellard | |
445 | d4e8164f | bellard | tb->jmp_next[n] = NULL;
|
446 | d4e8164f | bellard | } |
447 | d4e8164f | bellard | } |
448 | d4e8164f | bellard | |
449 | d4e8164f | bellard | /* reset the jump entry 'n' of a TB so that it is not chained to
|
450 | d4e8164f | bellard | another TB */
|
451 | d4e8164f | bellard | static inline void tb_reset_jump(TranslationBlock *tb, int n) |
452 | d4e8164f | bellard | { |
453 | d4e8164f | bellard | tb_set_jmp_target(tb, n, (unsigned long)(tb->tc_ptr + tb->tb_next_offset[n])); |
454 | d4e8164f | bellard | } |
455 | d4e8164f | bellard | |
456 | 8a40a180 | bellard | static inline void tb_phys_invalidate(TranslationBlock *tb, unsigned int page_addr) |
457 | fd6ce8f6 | bellard | { |
458 | 6a00d601 | bellard | CPUState *env; |
459 | 8a40a180 | bellard | PageDesc *p; |
460 | d4e8164f | bellard | unsigned int h, n1; |
461 | 8a40a180 | bellard | target_ulong phys_pc; |
462 | 8a40a180 | bellard | TranslationBlock *tb1, *tb2; |
463 | d4e8164f | bellard | |
464 | 8a40a180 | bellard | /* remove the TB from the hash list */
|
465 | 8a40a180 | bellard | phys_pc = tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK);
|
466 | 8a40a180 | bellard | h = tb_phys_hash_func(phys_pc); |
467 | 8a40a180 | bellard | tb_remove(&tb_phys_hash[h], tb, |
468 | 8a40a180 | bellard | offsetof(TranslationBlock, phys_hash_next)); |
469 | 8a40a180 | bellard | |
470 | 8a40a180 | bellard | /* remove the TB from the page list */
|
471 | 8a40a180 | bellard | if (tb->page_addr[0] != page_addr) { |
472 | 8a40a180 | bellard | p = page_find(tb->page_addr[0] >> TARGET_PAGE_BITS);
|
473 | 8a40a180 | bellard | tb_page_remove(&p->first_tb, tb); |
474 | 8a40a180 | bellard | invalidate_page_bitmap(p); |
475 | 8a40a180 | bellard | } |
476 | 8a40a180 | bellard | if (tb->page_addr[1] != -1 && tb->page_addr[1] != page_addr) { |
477 | 8a40a180 | bellard | p = page_find(tb->page_addr[1] >> TARGET_PAGE_BITS);
|
478 | 8a40a180 | bellard | tb_page_remove(&p->first_tb, tb); |
479 | 8a40a180 | bellard | invalidate_page_bitmap(p); |
480 | 8a40a180 | bellard | } |
481 | 8a40a180 | bellard | |
482 | 36bdbe54 | bellard | tb_invalidated_flag = 1;
|
483 | 59817ccb | bellard | |
484 | fd6ce8f6 | bellard | /* remove the TB from the hash list */
|
485 | 8a40a180 | bellard | h = tb_jmp_cache_hash_func(tb->pc); |
486 | 6a00d601 | bellard | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
487 | 6a00d601 | bellard | if (env->tb_jmp_cache[h] == tb)
|
488 | 6a00d601 | bellard | env->tb_jmp_cache[h] = NULL;
|
489 | 6a00d601 | bellard | } |
490 | d4e8164f | bellard | |
491 | d4e8164f | bellard | /* suppress this TB from the two jump lists */
|
492 | d4e8164f | bellard | tb_jmp_remove(tb, 0);
|
493 | d4e8164f | bellard | tb_jmp_remove(tb, 1);
|
494 | d4e8164f | bellard | |
495 | d4e8164f | bellard | /* suppress any remaining jumps to this TB */
|
496 | d4e8164f | bellard | tb1 = tb->jmp_first; |
497 | d4e8164f | bellard | for(;;) {
|
498 | d4e8164f | bellard | n1 = (long)tb1 & 3; |
499 | d4e8164f | bellard | if (n1 == 2) |
500 | d4e8164f | bellard | break;
|
501 | d4e8164f | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
502 | d4e8164f | bellard | tb2 = tb1->jmp_next[n1]; |
503 | d4e8164f | bellard | tb_reset_jump(tb1, n1); |
504 | d4e8164f | bellard | tb1->jmp_next[n1] = NULL;
|
505 | d4e8164f | bellard | tb1 = tb2; |
506 | d4e8164f | bellard | } |
507 | d4e8164f | bellard | tb->jmp_first = (TranslationBlock *)((long)tb | 2); /* fail safe */ |
508 | 9fa3e853 | bellard | |
509 | e3db7226 | bellard | tb_phys_invalidate_count++; |
510 | 9fa3e853 | bellard | } |
511 | 9fa3e853 | bellard | |
512 | 9fa3e853 | bellard | static inline void set_bits(uint8_t *tab, int start, int len) |
513 | 9fa3e853 | bellard | { |
514 | 9fa3e853 | bellard | int end, mask, end1;
|
515 | 9fa3e853 | bellard | |
516 | 9fa3e853 | bellard | end = start + len; |
517 | 9fa3e853 | bellard | tab += start >> 3;
|
518 | 9fa3e853 | bellard | mask = 0xff << (start & 7); |
519 | 9fa3e853 | bellard | if ((start & ~7) == (end & ~7)) { |
520 | 9fa3e853 | bellard | if (start < end) {
|
521 | 9fa3e853 | bellard | mask &= ~(0xff << (end & 7)); |
522 | 9fa3e853 | bellard | *tab |= mask; |
523 | 9fa3e853 | bellard | } |
524 | 9fa3e853 | bellard | } else {
|
525 | 9fa3e853 | bellard | *tab++ |= mask; |
526 | 9fa3e853 | bellard | start = (start + 8) & ~7; |
527 | 9fa3e853 | bellard | end1 = end & ~7;
|
528 | 9fa3e853 | bellard | while (start < end1) {
|
529 | 9fa3e853 | bellard | *tab++ = 0xff;
|
530 | 9fa3e853 | bellard | start += 8;
|
531 | 9fa3e853 | bellard | } |
532 | 9fa3e853 | bellard | if (start < end) {
|
533 | 9fa3e853 | bellard | mask = ~(0xff << (end & 7)); |
534 | 9fa3e853 | bellard | *tab |= mask; |
535 | 9fa3e853 | bellard | } |
536 | 9fa3e853 | bellard | } |
537 | 9fa3e853 | bellard | } |
538 | 9fa3e853 | bellard | |
539 | 9fa3e853 | bellard | static void build_page_bitmap(PageDesc *p) |
540 | 9fa3e853 | bellard | { |
541 | 9fa3e853 | bellard | int n, tb_start, tb_end;
|
542 | 9fa3e853 | bellard | TranslationBlock *tb; |
543 | 9fa3e853 | bellard | |
544 | 59817ccb | bellard | p->code_bitmap = qemu_malloc(TARGET_PAGE_SIZE / 8);
|
545 | 9fa3e853 | bellard | if (!p->code_bitmap)
|
546 | 9fa3e853 | bellard | return;
|
547 | 9fa3e853 | bellard | memset(p->code_bitmap, 0, TARGET_PAGE_SIZE / 8); |
548 | 9fa3e853 | bellard | |
549 | 9fa3e853 | bellard | tb = p->first_tb; |
550 | 9fa3e853 | bellard | while (tb != NULL) { |
551 | 9fa3e853 | bellard | n = (long)tb & 3; |
552 | 9fa3e853 | bellard | tb = (TranslationBlock *)((long)tb & ~3); |
553 | 9fa3e853 | bellard | /* NOTE: this is subtle as a TB may span two physical pages */
|
554 | 9fa3e853 | bellard | if (n == 0) { |
555 | 9fa3e853 | bellard | /* NOTE: tb_end may be after the end of the page, but
|
556 | 9fa3e853 | bellard | it is not a problem */
|
557 | 9fa3e853 | bellard | tb_start = tb->pc & ~TARGET_PAGE_MASK; |
558 | 9fa3e853 | bellard | tb_end = tb_start + tb->size; |
559 | 9fa3e853 | bellard | if (tb_end > TARGET_PAGE_SIZE)
|
560 | 9fa3e853 | bellard | tb_end = TARGET_PAGE_SIZE; |
561 | 9fa3e853 | bellard | } else {
|
562 | 9fa3e853 | bellard | tb_start = 0;
|
563 | 9fa3e853 | bellard | tb_end = ((tb->pc + tb->size) & ~TARGET_PAGE_MASK); |
564 | 9fa3e853 | bellard | } |
565 | 9fa3e853 | bellard | set_bits(p->code_bitmap, tb_start, tb_end - tb_start); |
566 | 9fa3e853 | bellard | tb = tb->page_next[n]; |
567 | 9fa3e853 | bellard | } |
568 | 9fa3e853 | bellard | } |
569 | 9fa3e853 | bellard | |
570 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
571 | d720b93d | bellard | |
572 | d720b93d | bellard | static void tb_gen_code(CPUState *env, |
573 | d720b93d | bellard | target_ulong pc, target_ulong cs_base, int flags,
|
574 | d720b93d | bellard | int cflags)
|
575 | d720b93d | bellard | { |
576 | d720b93d | bellard | TranslationBlock *tb; |
577 | d720b93d | bellard | uint8_t *tc_ptr; |
578 | d720b93d | bellard | target_ulong phys_pc, phys_page2, virt_page2; |
579 | d720b93d | bellard | int code_gen_size;
|
580 | d720b93d | bellard | |
581 | c27004ec | bellard | phys_pc = get_phys_addr_code(env, pc); |
582 | c27004ec | bellard | tb = tb_alloc(pc); |
583 | d720b93d | bellard | if (!tb) {
|
584 | d720b93d | bellard | /* flush must be done */
|
585 | d720b93d | bellard | tb_flush(env); |
586 | d720b93d | bellard | /* cannot fail at this point */
|
587 | c27004ec | bellard | tb = tb_alloc(pc); |
588 | d720b93d | bellard | } |
589 | d720b93d | bellard | tc_ptr = code_gen_ptr; |
590 | d720b93d | bellard | tb->tc_ptr = tc_ptr; |
591 | d720b93d | bellard | tb->cs_base = cs_base; |
592 | d720b93d | bellard | tb->flags = flags; |
593 | d720b93d | bellard | tb->cflags = cflags; |
594 | d720b93d | bellard | cpu_gen_code(env, tb, CODE_GEN_MAX_SIZE, &code_gen_size); |
595 | d720b93d | bellard | code_gen_ptr = (void *)(((unsigned long)code_gen_ptr + code_gen_size + CODE_GEN_ALIGN - 1) & ~(CODE_GEN_ALIGN - 1)); |
596 | d720b93d | bellard | |
597 | d720b93d | bellard | /* check next page if needed */
|
598 | c27004ec | bellard | virt_page2 = (pc + tb->size - 1) & TARGET_PAGE_MASK;
|
599 | d720b93d | bellard | phys_page2 = -1;
|
600 | c27004ec | bellard | if ((pc & TARGET_PAGE_MASK) != virt_page2) {
|
601 | d720b93d | bellard | phys_page2 = get_phys_addr_code(env, virt_page2); |
602 | d720b93d | bellard | } |
603 | d720b93d | bellard | tb_link_phys(tb, phys_pc, phys_page2); |
604 | d720b93d | bellard | } |
605 | d720b93d | bellard | #endif
|
606 | d720b93d | bellard | |
607 | 9fa3e853 | bellard | /* invalidate all TBs which intersect with the target physical page
|
608 | 9fa3e853 | bellard | starting in range [start;end[. NOTE: start and end must refer to
|
609 | d720b93d | bellard | the same physical page. 'is_cpu_write_access' should be true if called
|
610 | d720b93d | bellard | from a real cpu write access: the virtual CPU will exit the current
|
611 | d720b93d | bellard | TB if code is modified inside this TB. */
|
612 | d720b93d | bellard | void tb_invalidate_phys_page_range(target_ulong start, target_ulong end,
|
613 | d720b93d | bellard | int is_cpu_write_access)
|
614 | d720b93d | bellard | { |
615 | d720b93d | bellard | int n, current_tb_modified, current_tb_not_found, current_flags;
|
616 | d720b93d | bellard | CPUState *env = cpu_single_env; |
617 | 9fa3e853 | bellard | PageDesc *p; |
618 | ea1c1802 | bellard | TranslationBlock *tb, *tb_next, *current_tb, *saved_tb; |
619 | 9fa3e853 | bellard | target_ulong tb_start, tb_end; |
620 | d720b93d | bellard | target_ulong current_pc, current_cs_base; |
621 | 9fa3e853 | bellard | |
622 | 9fa3e853 | bellard | p = page_find(start >> TARGET_PAGE_BITS); |
623 | 9fa3e853 | bellard | if (!p)
|
624 | 9fa3e853 | bellard | return;
|
625 | 9fa3e853 | bellard | if (!p->code_bitmap &&
|
626 | d720b93d | bellard | ++p->code_write_count >= SMC_BITMAP_USE_THRESHOLD && |
627 | d720b93d | bellard | is_cpu_write_access) { |
628 | 9fa3e853 | bellard | /* build code bitmap */
|
629 | 9fa3e853 | bellard | build_page_bitmap(p); |
630 | 9fa3e853 | bellard | } |
631 | 9fa3e853 | bellard | |
632 | 9fa3e853 | bellard | /* we remove all the TBs in the range [start, end[ */
|
633 | 9fa3e853 | bellard | /* XXX: see if in some cases it could be faster to invalidate all the code */
|
634 | d720b93d | bellard | current_tb_not_found = is_cpu_write_access; |
635 | d720b93d | bellard | current_tb_modified = 0;
|
636 | d720b93d | bellard | current_tb = NULL; /* avoid warning */ |
637 | d720b93d | bellard | current_pc = 0; /* avoid warning */ |
638 | d720b93d | bellard | current_cs_base = 0; /* avoid warning */ |
639 | d720b93d | bellard | current_flags = 0; /* avoid warning */ |
640 | 9fa3e853 | bellard | tb = p->first_tb; |
641 | 9fa3e853 | bellard | while (tb != NULL) { |
642 | 9fa3e853 | bellard | n = (long)tb & 3; |
643 | 9fa3e853 | bellard | tb = (TranslationBlock *)((long)tb & ~3); |
644 | 9fa3e853 | bellard | tb_next = tb->page_next[n]; |
645 | 9fa3e853 | bellard | /* NOTE: this is subtle as a TB may span two physical pages */
|
646 | 9fa3e853 | bellard | if (n == 0) { |
647 | 9fa3e853 | bellard | /* NOTE: tb_end may be after the end of the page, but
|
648 | 9fa3e853 | bellard | it is not a problem */
|
649 | 9fa3e853 | bellard | tb_start = tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK);
|
650 | 9fa3e853 | bellard | tb_end = tb_start + tb->size; |
651 | 9fa3e853 | bellard | } else {
|
652 | 9fa3e853 | bellard | tb_start = tb->page_addr[1];
|
653 | 9fa3e853 | bellard | tb_end = tb_start + ((tb->pc + tb->size) & ~TARGET_PAGE_MASK); |
654 | 9fa3e853 | bellard | } |
655 | 9fa3e853 | bellard | if (!(tb_end <= start || tb_start >= end)) {
|
656 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
657 | d720b93d | bellard | if (current_tb_not_found) {
|
658 | d720b93d | bellard | current_tb_not_found = 0;
|
659 | d720b93d | bellard | current_tb = NULL;
|
660 | d720b93d | bellard | if (env->mem_write_pc) {
|
661 | d720b93d | bellard | /* now we have a real cpu fault */
|
662 | d720b93d | bellard | current_tb = tb_find_pc(env->mem_write_pc); |
663 | d720b93d | bellard | } |
664 | d720b93d | bellard | } |
665 | d720b93d | bellard | if (current_tb == tb &&
|
666 | d720b93d | bellard | !(current_tb->cflags & CF_SINGLE_INSN)) { |
667 | d720b93d | bellard | /* If we are modifying the current TB, we must stop
|
668 | d720b93d | bellard | its execution. We could be more precise by checking
|
669 | d720b93d | bellard | that the modification is after the current PC, but it
|
670 | d720b93d | bellard | would require a specialized function to partially
|
671 | d720b93d | bellard | restore the CPU state */
|
672 | d720b93d | bellard | |
673 | d720b93d | bellard | current_tb_modified = 1;
|
674 | d720b93d | bellard | cpu_restore_state(current_tb, env, |
675 | d720b93d | bellard | env->mem_write_pc, NULL);
|
676 | d720b93d | bellard | #if defined(TARGET_I386)
|
677 | d720b93d | bellard | current_flags = env->hflags; |
678 | d720b93d | bellard | current_flags |= (env->eflags & (IOPL_MASK | TF_MASK | VM_MASK)); |
679 | d720b93d | bellard | current_cs_base = (target_ulong)env->segs[R_CS].base; |
680 | d720b93d | bellard | current_pc = current_cs_base + env->eip; |
681 | d720b93d | bellard | #else
|
682 | d720b93d | bellard | #error unsupported CPU
|
683 | d720b93d | bellard | #endif
|
684 | d720b93d | bellard | } |
685 | d720b93d | bellard | #endif /* TARGET_HAS_PRECISE_SMC */ |
686 | 6f5a9f7e | bellard | /* we need to do that to handle the case where a signal
|
687 | 6f5a9f7e | bellard | occurs while doing tb_phys_invalidate() */
|
688 | 6f5a9f7e | bellard | saved_tb = NULL;
|
689 | 6f5a9f7e | bellard | if (env) {
|
690 | 6f5a9f7e | bellard | saved_tb = env->current_tb; |
691 | 6f5a9f7e | bellard | env->current_tb = NULL;
|
692 | 6f5a9f7e | bellard | } |
693 | 9fa3e853 | bellard | tb_phys_invalidate(tb, -1);
|
694 | 6f5a9f7e | bellard | if (env) {
|
695 | 6f5a9f7e | bellard | env->current_tb = saved_tb; |
696 | 6f5a9f7e | bellard | if (env->interrupt_request && env->current_tb)
|
697 | 6f5a9f7e | bellard | cpu_interrupt(env, env->interrupt_request); |
698 | 6f5a9f7e | bellard | } |
699 | 9fa3e853 | bellard | } |
700 | 9fa3e853 | bellard | tb = tb_next; |
701 | 9fa3e853 | bellard | } |
702 | 9fa3e853 | bellard | #if !defined(CONFIG_USER_ONLY)
|
703 | 9fa3e853 | bellard | /* if no code remaining, no need to continue to use slow writes */
|
704 | 9fa3e853 | bellard | if (!p->first_tb) {
|
705 | 9fa3e853 | bellard | invalidate_page_bitmap(p); |
706 | d720b93d | bellard | if (is_cpu_write_access) {
|
707 | d720b93d | bellard | tlb_unprotect_code_phys(env, start, env->mem_write_vaddr); |
708 | d720b93d | bellard | } |
709 | d720b93d | bellard | } |
710 | d720b93d | bellard | #endif
|
711 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
712 | d720b93d | bellard | if (current_tb_modified) {
|
713 | d720b93d | bellard | /* we generate a block containing just the instruction
|
714 | d720b93d | bellard | modifying the memory. It will ensure that it cannot modify
|
715 | d720b93d | bellard | itself */
|
716 | ea1c1802 | bellard | env->current_tb = NULL;
|
717 | d720b93d | bellard | tb_gen_code(env, current_pc, current_cs_base, current_flags, |
718 | d720b93d | bellard | CF_SINGLE_INSN); |
719 | d720b93d | bellard | cpu_resume_from_signal(env, NULL);
|
720 | 9fa3e853 | bellard | } |
721 | fd6ce8f6 | bellard | #endif
|
722 | 9fa3e853 | bellard | } |
723 | fd6ce8f6 | bellard | |
724 | 9fa3e853 | bellard | /* len must be <= 8 and start must be a multiple of len */
|
725 | d720b93d | bellard | static inline void tb_invalidate_phys_page_fast(target_ulong start, int len) |
726 | 9fa3e853 | bellard | { |
727 | 9fa3e853 | bellard | PageDesc *p; |
728 | 9fa3e853 | bellard | int offset, b;
|
729 | 59817ccb | bellard | #if 0
|
730 | a4193c8a | bellard | if (1) {
|
731 | a4193c8a | bellard | if (loglevel) {
|
732 | a4193c8a | bellard | fprintf(logfile, "modifying code at 0x%x size=%d EIP=%x PC=%08x\n",
|
733 | a4193c8a | bellard | cpu_single_env->mem_write_vaddr, len,
|
734 | a4193c8a | bellard | cpu_single_env->eip,
|
735 | a4193c8a | bellard | cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base);
|
736 | a4193c8a | bellard | }
|
737 | 59817ccb | bellard | }
|
738 | 59817ccb | bellard | #endif
|
739 | 9fa3e853 | bellard | p = page_find(start >> TARGET_PAGE_BITS); |
740 | 9fa3e853 | bellard | if (!p)
|
741 | 9fa3e853 | bellard | return;
|
742 | 9fa3e853 | bellard | if (p->code_bitmap) {
|
743 | 9fa3e853 | bellard | offset = start & ~TARGET_PAGE_MASK; |
744 | 9fa3e853 | bellard | b = p->code_bitmap[offset >> 3] >> (offset & 7); |
745 | 9fa3e853 | bellard | if (b & ((1 << len) - 1)) |
746 | 9fa3e853 | bellard | goto do_invalidate;
|
747 | 9fa3e853 | bellard | } else {
|
748 | 9fa3e853 | bellard | do_invalidate:
|
749 | d720b93d | bellard | tb_invalidate_phys_page_range(start, start + len, 1);
|
750 | 9fa3e853 | bellard | } |
751 | 9fa3e853 | bellard | } |
752 | 9fa3e853 | bellard | |
753 | 9fa3e853 | bellard | #if !defined(CONFIG_SOFTMMU)
|
754 | d720b93d | bellard | static void tb_invalidate_phys_page(target_ulong addr, |
755 | d720b93d | bellard | unsigned long pc, void *puc) |
756 | 9fa3e853 | bellard | { |
757 | d720b93d | bellard | int n, current_flags, current_tb_modified;
|
758 | d720b93d | bellard | target_ulong current_pc, current_cs_base; |
759 | 9fa3e853 | bellard | PageDesc *p; |
760 | d720b93d | bellard | TranslationBlock *tb, *current_tb; |
761 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
762 | d720b93d | bellard | CPUState *env = cpu_single_env; |
763 | d720b93d | bellard | #endif
|
764 | 9fa3e853 | bellard | |
765 | 9fa3e853 | bellard | addr &= TARGET_PAGE_MASK; |
766 | 9fa3e853 | bellard | p = page_find(addr >> TARGET_PAGE_BITS); |
767 | 9fa3e853 | bellard | if (!p)
|
768 | 9fa3e853 | bellard | return;
|
769 | 9fa3e853 | bellard | tb = p->first_tb; |
770 | d720b93d | bellard | current_tb_modified = 0;
|
771 | d720b93d | bellard | current_tb = NULL;
|
772 | d720b93d | bellard | current_pc = 0; /* avoid warning */ |
773 | d720b93d | bellard | current_cs_base = 0; /* avoid warning */ |
774 | d720b93d | bellard | current_flags = 0; /* avoid warning */ |
775 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
776 | d720b93d | bellard | if (tb && pc != 0) { |
777 | d720b93d | bellard | current_tb = tb_find_pc(pc); |
778 | d720b93d | bellard | } |
779 | d720b93d | bellard | #endif
|
780 | 9fa3e853 | bellard | while (tb != NULL) { |
781 | 9fa3e853 | bellard | n = (long)tb & 3; |
782 | 9fa3e853 | bellard | tb = (TranslationBlock *)((long)tb & ~3); |
783 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
784 | d720b93d | bellard | if (current_tb == tb &&
|
785 | d720b93d | bellard | !(current_tb->cflags & CF_SINGLE_INSN)) { |
786 | d720b93d | bellard | /* If we are modifying the current TB, we must stop
|
787 | d720b93d | bellard | its execution. We could be more precise by checking
|
788 | d720b93d | bellard | that the modification is after the current PC, but it
|
789 | d720b93d | bellard | would require a specialized function to partially
|
790 | d720b93d | bellard | restore the CPU state */
|
791 | d720b93d | bellard | |
792 | d720b93d | bellard | current_tb_modified = 1;
|
793 | d720b93d | bellard | cpu_restore_state(current_tb, env, pc, puc); |
794 | d720b93d | bellard | #if defined(TARGET_I386)
|
795 | d720b93d | bellard | current_flags = env->hflags; |
796 | d720b93d | bellard | current_flags |= (env->eflags & (IOPL_MASK | TF_MASK | VM_MASK)); |
797 | d720b93d | bellard | current_cs_base = (target_ulong)env->segs[R_CS].base; |
798 | d720b93d | bellard | current_pc = current_cs_base + env->eip; |
799 | d720b93d | bellard | #else
|
800 | d720b93d | bellard | #error unsupported CPU
|
801 | d720b93d | bellard | #endif
|
802 | d720b93d | bellard | } |
803 | d720b93d | bellard | #endif /* TARGET_HAS_PRECISE_SMC */ |
804 | 9fa3e853 | bellard | tb_phys_invalidate(tb, addr); |
805 | 9fa3e853 | bellard | tb = tb->page_next[n]; |
806 | 9fa3e853 | bellard | } |
807 | fd6ce8f6 | bellard | p->first_tb = NULL;
|
808 | d720b93d | bellard | #ifdef TARGET_HAS_PRECISE_SMC
|
809 | d720b93d | bellard | if (current_tb_modified) {
|
810 | d720b93d | bellard | /* we generate a block containing just the instruction
|
811 | d720b93d | bellard | modifying the memory. It will ensure that it cannot modify
|
812 | d720b93d | bellard | itself */
|
813 | ea1c1802 | bellard | env->current_tb = NULL;
|
814 | d720b93d | bellard | tb_gen_code(env, current_pc, current_cs_base, current_flags, |
815 | d720b93d | bellard | CF_SINGLE_INSN); |
816 | d720b93d | bellard | cpu_resume_from_signal(env, puc); |
817 | d720b93d | bellard | } |
818 | d720b93d | bellard | #endif
|
819 | fd6ce8f6 | bellard | } |
820 | 9fa3e853 | bellard | #endif
|
821 | fd6ce8f6 | bellard | |
822 | fd6ce8f6 | bellard | /* add the tb in the target page and protect it if necessary */
|
823 | 9fa3e853 | bellard | static inline void tb_alloc_page(TranslationBlock *tb, |
824 | 53a5960a | pbrook | unsigned int n, target_ulong page_addr) |
825 | fd6ce8f6 | bellard | { |
826 | fd6ce8f6 | bellard | PageDesc *p; |
827 | 9fa3e853 | bellard | TranslationBlock *last_first_tb; |
828 | 9fa3e853 | bellard | |
829 | 9fa3e853 | bellard | tb->page_addr[n] = page_addr; |
830 | 3a7d929e | bellard | p = page_find_alloc(page_addr >> TARGET_PAGE_BITS); |
831 | 9fa3e853 | bellard | tb->page_next[n] = p->first_tb; |
832 | 9fa3e853 | bellard | last_first_tb = p->first_tb; |
833 | 9fa3e853 | bellard | p->first_tb = (TranslationBlock *)((long)tb | n);
|
834 | 9fa3e853 | bellard | invalidate_page_bitmap(p); |
835 | fd6ce8f6 | bellard | |
836 | 107db443 | bellard | #if defined(TARGET_HAS_SMC) || 1 |
837 | d720b93d | bellard | |
838 | 9fa3e853 | bellard | #if defined(CONFIG_USER_ONLY)
|
839 | fd6ce8f6 | bellard | if (p->flags & PAGE_WRITE) {
|
840 | 53a5960a | pbrook | target_ulong addr; |
841 | 53a5960a | pbrook | PageDesc *p2; |
842 | 9fa3e853 | bellard | int prot;
|
843 | 9fa3e853 | bellard | |
844 | fd6ce8f6 | bellard | /* force the host page as non writable (writes will have a
|
845 | fd6ce8f6 | bellard | page fault + mprotect overhead) */
|
846 | 53a5960a | pbrook | page_addr &= qemu_host_page_mask; |
847 | fd6ce8f6 | bellard | prot = 0;
|
848 | 53a5960a | pbrook | for(addr = page_addr; addr < page_addr + qemu_host_page_size;
|
849 | 53a5960a | pbrook | addr += TARGET_PAGE_SIZE) { |
850 | 53a5960a | pbrook | |
851 | 53a5960a | pbrook | p2 = page_find (addr >> TARGET_PAGE_BITS); |
852 | 53a5960a | pbrook | if (!p2)
|
853 | 53a5960a | pbrook | continue;
|
854 | 53a5960a | pbrook | prot |= p2->flags; |
855 | 53a5960a | pbrook | p2->flags &= ~PAGE_WRITE; |
856 | 53a5960a | pbrook | page_get_flags(addr); |
857 | 53a5960a | pbrook | } |
858 | 53a5960a | pbrook | mprotect(g2h(page_addr), qemu_host_page_size, |
859 | fd6ce8f6 | bellard | (prot & PAGE_BITS) & ~PAGE_WRITE); |
860 | fd6ce8f6 | bellard | #ifdef DEBUG_TB_INVALIDATE
|
861 | fd6ce8f6 | bellard | printf("protecting code page: 0x%08lx\n",
|
862 | 53a5960a | pbrook | page_addr); |
863 | fd6ce8f6 | bellard | #endif
|
864 | fd6ce8f6 | bellard | } |
865 | 9fa3e853 | bellard | #else
|
866 | 9fa3e853 | bellard | /* if some code is already present, then the pages are already
|
867 | 9fa3e853 | bellard | protected. So we handle the case where only the first TB is
|
868 | 9fa3e853 | bellard | allocated in a physical page */
|
869 | 9fa3e853 | bellard | if (!last_first_tb) {
|
870 | 6a00d601 | bellard | tlb_protect_code(page_addr); |
871 | 9fa3e853 | bellard | } |
872 | 9fa3e853 | bellard | #endif
|
873 | d720b93d | bellard | |
874 | d720b93d | bellard | #endif /* TARGET_HAS_SMC */ |
875 | fd6ce8f6 | bellard | } |
876 | fd6ce8f6 | bellard | |
877 | fd6ce8f6 | bellard | /* Allocate a new translation block. Flush the translation buffer if
|
878 | fd6ce8f6 | bellard | too many translation blocks or too much generated code. */
|
879 | c27004ec | bellard | TranslationBlock *tb_alloc(target_ulong pc) |
880 | fd6ce8f6 | bellard | { |
881 | fd6ce8f6 | bellard | TranslationBlock *tb; |
882 | fd6ce8f6 | bellard | |
883 | fd6ce8f6 | bellard | if (nb_tbs >= CODE_GEN_MAX_BLOCKS ||
|
884 | fd6ce8f6 | bellard | (code_gen_ptr - code_gen_buffer) >= CODE_GEN_BUFFER_MAX_SIZE) |
885 | d4e8164f | bellard | return NULL; |
886 | fd6ce8f6 | bellard | tb = &tbs[nb_tbs++]; |
887 | fd6ce8f6 | bellard | tb->pc = pc; |
888 | b448f2f3 | bellard | tb->cflags = 0;
|
889 | d4e8164f | bellard | return tb;
|
890 | d4e8164f | bellard | } |
891 | d4e8164f | bellard | |
892 | 9fa3e853 | bellard | /* add a new TB and link it to the physical page tables. phys_page2 is
|
893 | 9fa3e853 | bellard | (-1) to indicate that only one page contains the TB. */
|
894 | 9fa3e853 | bellard | void tb_link_phys(TranslationBlock *tb,
|
895 | 9fa3e853 | bellard | target_ulong phys_pc, target_ulong phys_page2) |
896 | d4e8164f | bellard | { |
897 | 9fa3e853 | bellard | unsigned int h; |
898 | 9fa3e853 | bellard | TranslationBlock **ptb; |
899 | 9fa3e853 | bellard | |
900 | 9fa3e853 | bellard | /* add in the physical hash table */
|
901 | 9fa3e853 | bellard | h = tb_phys_hash_func(phys_pc); |
902 | 9fa3e853 | bellard | ptb = &tb_phys_hash[h]; |
903 | 9fa3e853 | bellard | tb->phys_hash_next = *ptb; |
904 | 9fa3e853 | bellard | *ptb = tb; |
905 | fd6ce8f6 | bellard | |
906 | fd6ce8f6 | bellard | /* add in the page list */
|
907 | 9fa3e853 | bellard | tb_alloc_page(tb, 0, phys_pc & TARGET_PAGE_MASK);
|
908 | 9fa3e853 | bellard | if (phys_page2 != -1) |
909 | 9fa3e853 | bellard | tb_alloc_page(tb, 1, phys_page2);
|
910 | 9fa3e853 | bellard | else
|
911 | 9fa3e853 | bellard | tb->page_addr[1] = -1; |
912 | 9fa3e853 | bellard | |
913 | d4e8164f | bellard | tb->jmp_first = (TranslationBlock *)((long)tb | 2); |
914 | d4e8164f | bellard | tb->jmp_next[0] = NULL; |
915 | d4e8164f | bellard | tb->jmp_next[1] = NULL; |
916 | b448f2f3 | bellard | #ifdef USE_CODE_COPY
|
917 | b448f2f3 | bellard | tb->cflags &= ~CF_FP_USED; |
918 | b448f2f3 | bellard | if (tb->cflags & CF_TB_FP_USED)
|
919 | b448f2f3 | bellard | tb->cflags |= CF_FP_USED; |
920 | b448f2f3 | bellard | #endif
|
921 | d4e8164f | bellard | |
922 | d4e8164f | bellard | /* init original jump addresses */
|
923 | d4e8164f | bellard | if (tb->tb_next_offset[0] != 0xffff) |
924 | d4e8164f | bellard | tb_reset_jump(tb, 0);
|
925 | d4e8164f | bellard | if (tb->tb_next_offset[1] != 0xffff) |
926 | d4e8164f | bellard | tb_reset_jump(tb, 1);
|
927 | 8a40a180 | bellard | |
928 | 8a40a180 | bellard | #ifdef DEBUG_TB_CHECK
|
929 | 8a40a180 | bellard | tb_page_check(); |
930 | 8a40a180 | bellard | #endif
|
931 | fd6ce8f6 | bellard | } |
932 | fd6ce8f6 | bellard | |
933 | 9fa3e853 | bellard | /* find the TB 'tb' such that tb[0].tc_ptr <= tc_ptr <
|
934 | 9fa3e853 | bellard | tb[1].tc_ptr. Return NULL if not found */
|
935 | 9fa3e853 | bellard | TranslationBlock *tb_find_pc(unsigned long tc_ptr) |
936 | fd6ce8f6 | bellard | { |
937 | 9fa3e853 | bellard | int m_min, m_max, m;
|
938 | 9fa3e853 | bellard | unsigned long v; |
939 | 9fa3e853 | bellard | TranslationBlock *tb; |
940 | a513fe19 | bellard | |
941 | a513fe19 | bellard | if (nb_tbs <= 0) |
942 | a513fe19 | bellard | return NULL; |
943 | a513fe19 | bellard | if (tc_ptr < (unsigned long)code_gen_buffer || |
944 | a513fe19 | bellard | tc_ptr >= (unsigned long)code_gen_ptr) |
945 | a513fe19 | bellard | return NULL; |
946 | a513fe19 | bellard | /* binary search (cf Knuth) */
|
947 | a513fe19 | bellard | m_min = 0;
|
948 | a513fe19 | bellard | m_max = nb_tbs - 1;
|
949 | a513fe19 | bellard | while (m_min <= m_max) {
|
950 | a513fe19 | bellard | m = (m_min + m_max) >> 1;
|
951 | a513fe19 | bellard | tb = &tbs[m]; |
952 | a513fe19 | bellard | v = (unsigned long)tb->tc_ptr; |
953 | a513fe19 | bellard | if (v == tc_ptr)
|
954 | a513fe19 | bellard | return tb;
|
955 | a513fe19 | bellard | else if (tc_ptr < v) { |
956 | a513fe19 | bellard | m_max = m - 1;
|
957 | a513fe19 | bellard | } else {
|
958 | a513fe19 | bellard | m_min = m + 1;
|
959 | a513fe19 | bellard | } |
960 | a513fe19 | bellard | } |
961 | a513fe19 | bellard | return &tbs[m_max];
|
962 | a513fe19 | bellard | } |
963 | 7501267e | bellard | |
964 | ea041c0e | bellard | static void tb_reset_jump_recursive(TranslationBlock *tb); |
965 | ea041c0e | bellard | |
966 | ea041c0e | bellard | static inline void tb_reset_jump_recursive2(TranslationBlock *tb, int n) |
967 | ea041c0e | bellard | { |
968 | ea041c0e | bellard | TranslationBlock *tb1, *tb_next, **ptb; |
969 | ea041c0e | bellard | unsigned int n1; |
970 | ea041c0e | bellard | |
971 | ea041c0e | bellard | tb1 = tb->jmp_next[n]; |
972 | ea041c0e | bellard | if (tb1 != NULL) { |
973 | ea041c0e | bellard | /* find head of list */
|
974 | ea041c0e | bellard | for(;;) {
|
975 | ea041c0e | bellard | n1 = (long)tb1 & 3; |
976 | ea041c0e | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
977 | ea041c0e | bellard | if (n1 == 2) |
978 | ea041c0e | bellard | break;
|
979 | ea041c0e | bellard | tb1 = tb1->jmp_next[n1]; |
980 | ea041c0e | bellard | } |
981 | ea041c0e | bellard | /* we are now sure now that tb jumps to tb1 */
|
982 | ea041c0e | bellard | tb_next = tb1; |
983 | ea041c0e | bellard | |
984 | ea041c0e | bellard | /* remove tb from the jmp_first list */
|
985 | ea041c0e | bellard | ptb = &tb_next->jmp_first; |
986 | ea041c0e | bellard | for(;;) {
|
987 | ea041c0e | bellard | tb1 = *ptb; |
988 | ea041c0e | bellard | n1 = (long)tb1 & 3; |
989 | ea041c0e | bellard | tb1 = (TranslationBlock *)((long)tb1 & ~3); |
990 | ea041c0e | bellard | if (n1 == n && tb1 == tb)
|
991 | ea041c0e | bellard | break;
|
992 | ea041c0e | bellard | ptb = &tb1->jmp_next[n1]; |
993 | ea041c0e | bellard | } |
994 | ea041c0e | bellard | *ptb = tb->jmp_next[n]; |
995 | ea041c0e | bellard | tb->jmp_next[n] = NULL;
|
996 | ea041c0e | bellard | |
997 | ea041c0e | bellard | /* suppress the jump to next tb in generated code */
|
998 | ea041c0e | bellard | tb_reset_jump(tb, n); |
999 | ea041c0e | bellard | |
1000 | 0124311e | bellard | /* suppress jumps in the tb on which we could have jumped */
|
1001 | ea041c0e | bellard | tb_reset_jump_recursive(tb_next); |
1002 | ea041c0e | bellard | } |
1003 | ea041c0e | bellard | } |
1004 | ea041c0e | bellard | |
1005 | ea041c0e | bellard | static void tb_reset_jump_recursive(TranslationBlock *tb) |
1006 | ea041c0e | bellard | { |
1007 | ea041c0e | bellard | tb_reset_jump_recursive2(tb, 0);
|
1008 | ea041c0e | bellard | tb_reset_jump_recursive2(tb, 1);
|
1009 | ea041c0e | bellard | } |
1010 | ea041c0e | bellard | |
1011 | 1fddef4b | bellard | #if defined(TARGET_HAS_ICE)
|
1012 | d720b93d | bellard | static void breakpoint_invalidate(CPUState *env, target_ulong pc) |
1013 | d720b93d | bellard | { |
1014 | c2f07f81 | pbrook | target_ulong addr, pd; |
1015 | c2f07f81 | pbrook | ram_addr_t ram_addr; |
1016 | c2f07f81 | pbrook | PhysPageDesc *p; |
1017 | d720b93d | bellard | |
1018 | c2f07f81 | pbrook | addr = cpu_get_phys_page_debug(env, pc); |
1019 | c2f07f81 | pbrook | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
1020 | c2f07f81 | pbrook | if (!p) {
|
1021 | c2f07f81 | pbrook | pd = IO_MEM_UNASSIGNED; |
1022 | c2f07f81 | pbrook | } else {
|
1023 | c2f07f81 | pbrook | pd = p->phys_offset; |
1024 | c2f07f81 | pbrook | } |
1025 | c2f07f81 | pbrook | ram_addr = (pd & TARGET_PAGE_MASK) | (pc & ~TARGET_PAGE_MASK); |
1026 | 706cd4b5 | pbrook | tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0); |
1027 | d720b93d | bellard | } |
1028 | c27004ec | bellard | #endif
|
1029 | d720b93d | bellard | |
1030 | c33a346e | bellard | /* add a breakpoint. EXCP_DEBUG is returned by the CPU loop if a
|
1031 | c33a346e | bellard | breakpoint is reached */
|
1032 | 2e12669a | bellard | int cpu_breakpoint_insert(CPUState *env, target_ulong pc)
|
1033 | 4c3a88a2 | bellard | { |
1034 | 1fddef4b | bellard | #if defined(TARGET_HAS_ICE)
|
1035 | 4c3a88a2 | bellard | int i;
|
1036 | d720b93d | bellard | |
1037 | 4c3a88a2 | bellard | for(i = 0; i < env->nb_breakpoints; i++) { |
1038 | 4c3a88a2 | bellard | if (env->breakpoints[i] == pc)
|
1039 | 4c3a88a2 | bellard | return 0; |
1040 | 4c3a88a2 | bellard | } |
1041 | 4c3a88a2 | bellard | |
1042 | 4c3a88a2 | bellard | if (env->nb_breakpoints >= MAX_BREAKPOINTS)
|
1043 | 4c3a88a2 | bellard | return -1; |
1044 | 4c3a88a2 | bellard | env->breakpoints[env->nb_breakpoints++] = pc; |
1045 | d720b93d | bellard | |
1046 | d720b93d | bellard | breakpoint_invalidate(env, pc); |
1047 | 4c3a88a2 | bellard | return 0; |
1048 | 4c3a88a2 | bellard | #else
|
1049 | 4c3a88a2 | bellard | return -1; |
1050 | 4c3a88a2 | bellard | #endif
|
1051 | 4c3a88a2 | bellard | } |
1052 | 4c3a88a2 | bellard | |
1053 | 4c3a88a2 | bellard | /* remove a breakpoint */
|
1054 | 2e12669a | bellard | int cpu_breakpoint_remove(CPUState *env, target_ulong pc)
|
1055 | 4c3a88a2 | bellard | { |
1056 | 1fddef4b | bellard | #if defined(TARGET_HAS_ICE)
|
1057 | 4c3a88a2 | bellard | int i;
|
1058 | 4c3a88a2 | bellard | for(i = 0; i < env->nb_breakpoints; i++) { |
1059 | 4c3a88a2 | bellard | if (env->breakpoints[i] == pc)
|
1060 | 4c3a88a2 | bellard | goto found;
|
1061 | 4c3a88a2 | bellard | } |
1062 | 4c3a88a2 | bellard | return -1; |
1063 | 4c3a88a2 | bellard | found:
|
1064 | 4c3a88a2 | bellard | env->nb_breakpoints--; |
1065 | 1fddef4b | bellard | if (i < env->nb_breakpoints)
|
1066 | 1fddef4b | bellard | env->breakpoints[i] = env->breakpoints[env->nb_breakpoints]; |
1067 | d720b93d | bellard | |
1068 | d720b93d | bellard | breakpoint_invalidate(env, pc); |
1069 | 4c3a88a2 | bellard | return 0; |
1070 | 4c3a88a2 | bellard | #else
|
1071 | 4c3a88a2 | bellard | return -1; |
1072 | 4c3a88a2 | bellard | #endif
|
1073 | 4c3a88a2 | bellard | } |
1074 | 4c3a88a2 | bellard | |
1075 | c33a346e | bellard | /* enable or disable single step mode. EXCP_DEBUG is returned by the
|
1076 | c33a346e | bellard | CPU loop after each instruction */
|
1077 | c33a346e | bellard | void cpu_single_step(CPUState *env, int enabled) |
1078 | c33a346e | bellard | { |
1079 | 1fddef4b | bellard | #if defined(TARGET_HAS_ICE)
|
1080 | c33a346e | bellard | if (env->singlestep_enabled != enabled) {
|
1081 | c33a346e | bellard | env->singlestep_enabled = enabled; |
1082 | c33a346e | bellard | /* must flush all the translated code to avoid inconsistancies */
|
1083 | 9fa3e853 | bellard | /* XXX: only flush what is necessary */
|
1084 | 0124311e | bellard | tb_flush(env); |
1085 | c33a346e | bellard | } |
1086 | c33a346e | bellard | #endif
|
1087 | c33a346e | bellard | } |
1088 | c33a346e | bellard | |
1089 | 34865134 | bellard | /* enable or disable low levels log */
|
1090 | 34865134 | bellard | void cpu_set_log(int log_flags) |
1091 | 34865134 | bellard | { |
1092 | 34865134 | bellard | loglevel = log_flags; |
1093 | 34865134 | bellard | if (loglevel && !logfile) {
|
1094 | 34865134 | bellard | logfile = fopen(logfilename, "w");
|
1095 | 34865134 | bellard | if (!logfile) {
|
1096 | 34865134 | bellard | perror(logfilename); |
1097 | 34865134 | bellard | _exit(1);
|
1098 | 34865134 | bellard | } |
1099 | 9fa3e853 | bellard | #if !defined(CONFIG_SOFTMMU)
|
1100 | 9fa3e853 | bellard | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
|
1101 | 9fa3e853 | bellard | { |
1102 | 9fa3e853 | bellard | static uint8_t logfile_buf[4096]; |
1103 | 9fa3e853 | bellard | setvbuf(logfile, logfile_buf, _IOLBF, sizeof(logfile_buf));
|
1104 | 9fa3e853 | bellard | } |
1105 | 9fa3e853 | bellard | #else
|
1106 | 34865134 | bellard | setvbuf(logfile, NULL, _IOLBF, 0); |
1107 | 9fa3e853 | bellard | #endif
|
1108 | 34865134 | bellard | } |
1109 | 34865134 | bellard | } |
1110 | 34865134 | bellard | |
1111 | 34865134 | bellard | void cpu_set_log_filename(const char *filename) |
1112 | 34865134 | bellard | { |
1113 | 34865134 | bellard | logfilename = strdup(filename); |
1114 | 34865134 | bellard | } |
1115 | c33a346e | bellard | |
1116 | 0124311e | bellard | /* mask must never be zero, except for A20 change call */
|
1117 | 68a79315 | bellard | void cpu_interrupt(CPUState *env, int mask) |
1118 | ea041c0e | bellard | { |
1119 | ea041c0e | bellard | TranslationBlock *tb; |
1120 | ee8b7021 | bellard | static int interrupt_lock; |
1121 | 59817ccb | bellard | |
1122 | 68a79315 | bellard | env->interrupt_request |= mask; |
1123 | ea041c0e | bellard | /* if the cpu is currently executing code, we must unlink it and
|
1124 | ea041c0e | bellard | all the potentially executing TB */
|
1125 | ea041c0e | bellard | tb = env->current_tb; |
1126 | ee8b7021 | bellard | if (tb && !testandset(&interrupt_lock)) {
|
1127 | ee8b7021 | bellard | env->current_tb = NULL;
|
1128 | ea041c0e | bellard | tb_reset_jump_recursive(tb); |
1129 | ee8b7021 | bellard | interrupt_lock = 0;
|
1130 | ea041c0e | bellard | } |
1131 | ea041c0e | bellard | } |
1132 | ea041c0e | bellard | |
1133 | b54ad049 | bellard | void cpu_reset_interrupt(CPUState *env, int mask) |
1134 | b54ad049 | bellard | { |
1135 | b54ad049 | bellard | env->interrupt_request &= ~mask; |
1136 | b54ad049 | bellard | } |
1137 | b54ad049 | bellard | |
1138 | f193c797 | bellard | CPULogItem cpu_log_items[] = { |
1139 | f193c797 | bellard | { CPU_LOG_TB_OUT_ASM, "out_asm",
|
1140 | f193c797 | bellard | "show generated host assembly code for each compiled TB" },
|
1141 | f193c797 | bellard | { CPU_LOG_TB_IN_ASM, "in_asm",
|
1142 | f193c797 | bellard | "show target assembly code for each compiled TB" },
|
1143 | f193c797 | bellard | { CPU_LOG_TB_OP, "op",
|
1144 | f193c797 | bellard | "show micro ops for each compiled TB (only usable if 'in_asm' used)" },
|
1145 | f193c797 | bellard | #ifdef TARGET_I386
|
1146 | f193c797 | bellard | { CPU_LOG_TB_OP_OPT, "op_opt",
|
1147 | f193c797 | bellard | "show micro ops after optimization for each compiled TB" },
|
1148 | f193c797 | bellard | #endif
|
1149 | f193c797 | bellard | { CPU_LOG_INT, "int",
|
1150 | f193c797 | bellard | "show interrupts/exceptions in short format" },
|
1151 | f193c797 | bellard | { CPU_LOG_EXEC, "exec",
|
1152 | f193c797 | bellard | "show trace before each executed TB (lots of logs)" },
|
1153 | 9fddaa0c | bellard | { CPU_LOG_TB_CPU, "cpu",
|
1154 | 9fddaa0c | bellard | "show CPU state before bloc translation" },
|
1155 | f193c797 | bellard | #ifdef TARGET_I386
|
1156 | f193c797 | bellard | { CPU_LOG_PCALL, "pcall",
|
1157 | f193c797 | bellard | "show protected mode far calls/returns/exceptions" },
|
1158 | f193c797 | bellard | #endif
|
1159 | 8e3a9fd2 | bellard | #ifdef DEBUG_IOPORT
|
1160 | fd872598 | bellard | { CPU_LOG_IOPORT, "ioport",
|
1161 | fd872598 | bellard | "show all i/o ports accesses" },
|
1162 | 8e3a9fd2 | bellard | #endif
|
1163 | f193c797 | bellard | { 0, NULL, NULL }, |
1164 | f193c797 | bellard | }; |
1165 | f193c797 | bellard | |
1166 | f193c797 | bellard | static int cmp1(const char *s1, int n, const char *s2) |
1167 | f193c797 | bellard | { |
1168 | f193c797 | bellard | if (strlen(s2) != n)
|
1169 | f193c797 | bellard | return 0; |
1170 | f193c797 | bellard | return memcmp(s1, s2, n) == 0; |
1171 | f193c797 | bellard | } |
1172 | f193c797 | bellard | |
1173 | f193c797 | bellard | /* takes a comma separated list of log masks. Return 0 if error. */
|
1174 | f193c797 | bellard | int cpu_str_to_log_mask(const char *str) |
1175 | f193c797 | bellard | { |
1176 | f193c797 | bellard | CPULogItem *item; |
1177 | f193c797 | bellard | int mask;
|
1178 | f193c797 | bellard | const char *p, *p1; |
1179 | f193c797 | bellard | |
1180 | f193c797 | bellard | p = str; |
1181 | f193c797 | bellard | mask = 0;
|
1182 | f193c797 | bellard | for(;;) {
|
1183 | f193c797 | bellard | p1 = strchr(p, ',');
|
1184 | f193c797 | bellard | if (!p1)
|
1185 | f193c797 | bellard | p1 = p + strlen(p); |
1186 | 8e3a9fd2 | bellard | if(cmp1(p,p1-p,"all")) { |
1187 | 8e3a9fd2 | bellard | for(item = cpu_log_items; item->mask != 0; item++) { |
1188 | 8e3a9fd2 | bellard | mask |= item->mask; |
1189 | 8e3a9fd2 | bellard | } |
1190 | 8e3a9fd2 | bellard | } else {
|
1191 | f193c797 | bellard | for(item = cpu_log_items; item->mask != 0; item++) { |
1192 | f193c797 | bellard | if (cmp1(p, p1 - p, item->name))
|
1193 | f193c797 | bellard | goto found;
|
1194 | f193c797 | bellard | } |
1195 | f193c797 | bellard | return 0; |
1196 | 8e3a9fd2 | bellard | } |
1197 | f193c797 | bellard | found:
|
1198 | f193c797 | bellard | mask |= item->mask; |
1199 | f193c797 | bellard | if (*p1 != ',') |
1200 | f193c797 | bellard | break;
|
1201 | f193c797 | bellard | p = p1 + 1;
|
1202 | f193c797 | bellard | } |
1203 | f193c797 | bellard | return mask;
|
1204 | f193c797 | bellard | } |
1205 | ea041c0e | bellard | |
1206 | 7501267e | bellard | void cpu_abort(CPUState *env, const char *fmt, ...) |
1207 | 7501267e | bellard | { |
1208 | 7501267e | bellard | va_list ap; |
1209 | 7501267e | bellard | |
1210 | 7501267e | bellard | va_start(ap, fmt); |
1211 | 7501267e | bellard | fprintf(stderr, "qemu: fatal: ");
|
1212 | 7501267e | bellard | vfprintf(stderr, fmt, ap); |
1213 | 7501267e | bellard | fprintf(stderr, "\n");
|
1214 | 7501267e | bellard | #ifdef TARGET_I386
|
1215 | 7fe48483 | bellard | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP); |
1216 | 7fe48483 | bellard | #else
|
1217 | 7fe48483 | bellard | cpu_dump_state(env, stderr, fprintf, 0);
|
1218 | 7501267e | bellard | #endif
|
1219 | 7501267e | bellard | va_end(ap); |
1220 | 7501267e | bellard | abort(); |
1221 | 7501267e | bellard | } |
1222 | 7501267e | bellard | |
1223 | 0124311e | bellard | #if !defined(CONFIG_USER_ONLY)
|
1224 | 0124311e | bellard | |
1225 | ee8b7021 | bellard | /* NOTE: if flush_global is true, also flush global entries (not
|
1226 | ee8b7021 | bellard | implemented yet) */
|
1227 | ee8b7021 | bellard | void tlb_flush(CPUState *env, int flush_global) |
1228 | 33417e70 | bellard | { |
1229 | 33417e70 | bellard | int i;
|
1230 | 0124311e | bellard | |
1231 | 9fa3e853 | bellard | #if defined(DEBUG_TLB)
|
1232 | 9fa3e853 | bellard | printf("tlb_flush:\n");
|
1233 | 9fa3e853 | bellard | #endif
|
1234 | 0124311e | bellard | /* must reset current TB so that interrupts cannot modify the
|
1235 | 0124311e | bellard | links while we are modifying them */
|
1236 | 0124311e | bellard | env->current_tb = NULL;
|
1237 | 0124311e | bellard | |
1238 | 33417e70 | bellard | for(i = 0; i < CPU_TLB_SIZE; i++) { |
1239 | 84b7b8e7 | bellard | env->tlb_table[0][i].addr_read = -1; |
1240 | 84b7b8e7 | bellard | env->tlb_table[0][i].addr_write = -1; |
1241 | 84b7b8e7 | bellard | env->tlb_table[0][i].addr_code = -1; |
1242 | 84b7b8e7 | bellard | env->tlb_table[1][i].addr_read = -1; |
1243 | 84b7b8e7 | bellard | env->tlb_table[1][i].addr_write = -1; |
1244 | 84b7b8e7 | bellard | env->tlb_table[1][i].addr_code = -1; |
1245 | 33417e70 | bellard | } |
1246 | 9fa3e853 | bellard | |
1247 | 8a40a180 | bellard | memset (env->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof (void *)); |
1248 | 9fa3e853 | bellard | |
1249 | 9fa3e853 | bellard | #if !defined(CONFIG_SOFTMMU)
|
1250 | 9fa3e853 | bellard | munmap((void *)MMAP_AREA_START, MMAP_AREA_END - MMAP_AREA_START);
|
1251 | 9fa3e853 | bellard | #endif
|
1252 | 0a962c02 | bellard | #ifdef USE_KQEMU
|
1253 | 0a962c02 | bellard | if (env->kqemu_enabled) {
|
1254 | 0a962c02 | bellard | kqemu_flush(env, flush_global); |
1255 | 0a962c02 | bellard | } |
1256 | 0a962c02 | bellard | #endif
|
1257 | e3db7226 | bellard | tlb_flush_count++; |
1258 | 33417e70 | bellard | } |
1259 | 33417e70 | bellard | |
1260 | 274da6b2 | bellard | static inline void tlb_flush_entry(CPUTLBEntry *tlb_entry, target_ulong addr) |
1261 | 61382a50 | bellard | { |
1262 | 84b7b8e7 | bellard | if (addr == (tlb_entry->addr_read &
|
1263 | 84b7b8e7 | bellard | (TARGET_PAGE_MASK | TLB_INVALID_MASK)) || |
1264 | 84b7b8e7 | bellard | addr == (tlb_entry->addr_write & |
1265 | 84b7b8e7 | bellard | (TARGET_PAGE_MASK | TLB_INVALID_MASK)) || |
1266 | 84b7b8e7 | bellard | addr == (tlb_entry->addr_code & |
1267 | 84b7b8e7 | bellard | (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { |
1268 | 84b7b8e7 | bellard | tlb_entry->addr_read = -1;
|
1269 | 84b7b8e7 | bellard | tlb_entry->addr_write = -1;
|
1270 | 84b7b8e7 | bellard | tlb_entry->addr_code = -1;
|
1271 | 84b7b8e7 | bellard | } |
1272 | 61382a50 | bellard | } |
1273 | 61382a50 | bellard | |
1274 | 2e12669a | bellard | void tlb_flush_page(CPUState *env, target_ulong addr)
|
1275 | 33417e70 | bellard | { |
1276 | 8a40a180 | bellard | int i;
|
1277 | 9fa3e853 | bellard | TranslationBlock *tb; |
1278 | 0124311e | bellard | |
1279 | 9fa3e853 | bellard | #if defined(DEBUG_TLB)
|
1280 | 108c49b8 | bellard | printf("tlb_flush_page: " TARGET_FMT_lx "\n", addr); |
1281 | 9fa3e853 | bellard | #endif
|
1282 | 0124311e | bellard | /* must reset current TB so that interrupts cannot modify the
|
1283 | 0124311e | bellard | links while we are modifying them */
|
1284 | 0124311e | bellard | env->current_tb = NULL;
|
1285 | 61382a50 | bellard | |
1286 | 61382a50 | bellard | addr &= TARGET_PAGE_MASK; |
1287 | 61382a50 | bellard | i = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
|
1288 | 84b7b8e7 | bellard | tlb_flush_entry(&env->tlb_table[0][i], addr);
|
1289 | 84b7b8e7 | bellard | tlb_flush_entry(&env->tlb_table[1][i], addr);
|
1290 | 0124311e | bellard | |
1291 | 8a40a180 | bellard | for(i = 0; i < TB_JMP_CACHE_SIZE; i++) { |
1292 | 8a40a180 | bellard | tb = env->tb_jmp_cache[i]; |
1293 | 8a40a180 | bellard | if (tb &&
|
1294 | 8a40a180 | bellard | ((tb->pc & TARGET_PAGE_MASK) == addr || |
1295 | 8a40a180 | bellard | ((tb->pc + tb->size - 1) & TARGET_PAGE_MASK) == addr)) {
|
1296 | 8a40a180 | bellard | env->tb_jmp_cache[i] = NULL;
|
1297 | 9fa3e853 | bellard | } |
1298 | 9fa3e853 | bellard | } |
1299 | 9fa3e853 | bellard | |
1300 | 0124311e | bellard | #if !defined(CONFIG_SOFTMMU)
|
1301 | 9fa3e853 | bellard | if (addr < MMAP_AREA_END)
|
1302 | 0124311e | bellard | munmap((void *)addr, TARGET_PAGE_SIZE);
|
1303 | 61382a50 | bellard | #endif
|
1304 | 0a962c02 | bellard | #ifdef USE_KQEMU
|
1305 | 0a962c02 | bellard | if (env->kqemu_enabled) {
|
1306 | 0a962c02 | bellard | kqemu_flush_page(env, addr); |
1307 | 0a962c02 | bellard | } |
1308 | 0a962c02 | bellard | #endif
|
1309 | 9fa3e853 | bellard | } |
1310 | 9fa3e853 | bellard | |
1311 | 9fa3e853 | bellard | /* update the TLBs so that writes to code in the virtual page 'addr'
|
1312 | 9fa3e853 | bellard | can be detected */
|
1313 | 6a00d601 | bellard | static void tlb_protect_code(ram_addr_t ram_addr) |
1314 | 9fa3e853 | bellard | { |
1315 | 6a00d601 | bellard | cpu_physical_memory_reset_dirty(ram_addr, |
1316 | 6a00d601 | bellard | ram_addr + TARGET_PAGE_SIZE, |
1317 | 6a00d601 | bellard | CODE_DIRTY_FLAG); |
1318 | 9fa3e853 | bellard | } |
1319 | 9fa3e853 | bellard | |
1320 | 9fa3e853 | bellard | /* update the TLB so that writes in physical page 'phys_addr' are no longer
|
1321 | 3a7d929e | bellard | tested for self modifying code */
|
1322 | 3a7d929e | bellard | static void tlb_unprotect_code_phys(CPUState *env, ram_addr_t ram_addr, |
1323 | 3a7d929e | bellard | target_ulong vaddr) |
1324 | 9fa3e853 | bellard | { |
1325 | 3a7d929e | bellard | phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] |= CODE_DIRTY_FLAG; |
1326 | 1ccde1cb | bellard | } |
1327 | 1ccde1cb | bellard | |
1328 | 1ccde1cb | bellard | static inline void tlb_reset_dirty_range(CPUTLBEntry *tlb_entry, |
1329 | 1ccde1cb | bellard | unsigned long start, unsigned long length) |
1330 | 1ccde1cb | bellard | { |
1331 | 1ccde1cb | bellard | unsigned long addr; |
1332 | 84b7b8e7 | bellard | if ((tlb_entry->addr_write & ~TARGET_PAGE_MASK) == IO_MEM_RAM) {
|
1333 | 84b7b8e7 | bellard | addr = (tlb_entry->addr_write & TARGET_PAGE_MASK) + tlb_entry->addend; |
1334 | 1ccde1cb | bellard | if ((addr - start) < length) {
|
1335 | 84b7b8e7 | bellard | tlb_entry->addr_write = (tlb_entry->addr_write & TARGET_PAGE_MASK) | IO_MEM_NOTDIRTY; |
1336 | 1ccde1cb | bellard | } |
1337 | 1ccde1cb | bellard | } |
1338 | 1ccde1cb | bellard | } |
1339 | 1ccde1cb | bellard | |
1340 | 3a7d929e | bellard | void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
|
1341 | 0a962c02 | bellard | int dirty_flags)
|
1342 | 1ccde1cb | bellard | { |
1343 | 1ccde1cb | bellard | CPUState *env; |
1344 | 4f2ac237 | bellard | unsigned long length, start1; |
1345 | 0a962c02 | bellard | int i, mask, len;
|
1346 | 0a962c02 | bellard | uint8_t *p; |
1347 | 1ccde1cb | bellard | |
1348 | 1ccde1cb | bellard | start &= TARGET_PAGE_MASK; |
1349 | 1ccde1cb | bellard | end = TARGET_PAGE_ALIGN(end); |
1350 | 1ccde1cb | bellard | |
1351 | 1ccde1cb | bellard | length = end - start; |
1352 | 1ccde1cb | bellard | if (length == 0) |
1353 | 1ccde1cb | bellard | return;
|
1354 | 0a962c02 | bellard | len = length >> TARGET_PAGE_BITS; |
1355 | 3a7d929e | bellard | #ifdef USE_KQEMU
|
1356 | 6a00d601 | bellard | /* XXX: should not depend on cpu context */
|
1357 | 6a00d601 | bellard | env = first_cpu; |
1358 | 3a7d929e | bellard | if (env->kqemu_enabled) {
|
1359 | f23db169 | bellard | ram_addr_t addr; |
1360 | f23db169 | bellard | addr = start; |
1361 | f23db169 | bellard | for(i = 0; i < len; i++) { |
1362 | f23db169 | bellard | kqemu_set_notdirty(env, addr); |
1363 | f23db169 | bellard | addr += TARGET_PAGE_SIZE; |
1364 | f23db169 | bellard | } |
1365 | 3a7d929e | bellard | } |
1366 | 3a7d929e | bellard | #endif
|
1367 | f23db169 | bellard | mask = ~dirty_flags; |
1368 | f23db169 | bellard | p = phys_ram_dirty + (start >> TARGET_PAGE_BITS); |
1369 | f23db169 | bellard | for(i = 0; i < len; i++) |
1370 | f23db169 | bellard | p[i] &= mask; |
1371 | f23db169 | bellard | |
1372 | 1ccde1cb | bellard | /* we modify the TLB cache so that the dirty bit will be set again
|
1373 | 1ccde1cb | bellard | when accessing the range */
|
1374 | 59817ccb | bellard | start1 = start + (unsigned long)phys_ram_base; |
1375 | 6a00d601 | bellard | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
1376 | 6a00d601 | bellard | for(i = 0; i < CPU_TLB_SIZE; i++) |
1377 | 84b7b8e7 | bellard | tlb_reset_dirty_range(&env->tlb_table[0][i], start1, length);
|
1378 | 6a00d601 | bellard | for(i = 0; i < CPU_TLB_SIZE; i++) |
1379 | 84b7b8e7 | bellard | tlb_reset_dirty_range(&env->tlb_table[1][i], start1, length);
|
1380 | 6a00d601 | bellard | } |
1381 | 59817ccb | bellard | |
1382 | 59817ccb | bellard | #if !defined(CONFIG_SOFTMMU)
|
1383 | 59817ccb | bellard | /* XXX: this is expensive */
|
1384 | 59817ccb | bellard | { |
1385 | 59817ccb | bellard | VirtPageDesc *p; |
1386 | 59817ccb | bellard | int j;
|
1387 | 59817ccb | bellard | target_ulong addr; |
1388 | 59817ccb | bellard | |
1389 | 59817ccb | bellard | for(i = 0; i < L1_SIZE; i++) { |
1390 | 59817ccb | bellard | p = l1_virt_map[i]; |
1391 | 59817ccb | bellard | if (p) {
|
1392 | 59817ccb | bellard | addr = i << (TARGET_PAGE_BITS + L2_BITS); |
1393 | 59817ccb | bellard | for(j = 0; j < L2_SIZE; j++) { |
1394 | 59817ccb | bellard | if (p->valid_tag == virt_valid_tag &&
|
1395 | 59817ccb | bellard | p->phys_addr >= start && p->phys_addr < end && |
1396 | 59817ccb | bellard | (p->prot & PROT_WRITE)) { |
1397 | 59817ccb | bellard | if (addr < MMAP_AREA_END) {
|
1398 | 59817ccb | bellard | mprotect((void *)addr, TARGET_PAGE_SIZE,
|
1399 | 59817ccb | bellard | p->prot & ~PROT_WRITE); |
1400 | 59817ccb | bellard | } |
1401 | 59817ccb | bellard | } |
1402 | 59817ccb | bellard | addr += TARGET_PAGE_SIZE; |
1403 | 59817ccb | bellard | p++; |
1404 | 59817ccb | bellard | } |
1405 | 59817ccb | bellard | } |
1406 | 59817ccb | bellard | } |
1407 | 59817ccb | bellard | } |
1408 | 59817ccb | bellard | #endif
|
1409 | 1ccde1cb | bellard | } |
1410 | 1ccde1cb | bellard | |
1411 | 3a7d929e | bellard | static inline void tlb_update_dirty(CPUTLBEntry *tlb_entry) |
1412 | 3a7d929e | bellard | { |
1413 | 3a7d929e | bellard | ram_addr_t ram_addr; |
1414 | 3a7d929e | bellard | |
1415 | 84b7b8e7 | bellard | if ((tlb_entry->addr_write & ~TARGET_PAGE_MASK) == IO_MEM_RAM) {
|
1416 | 84b7b8e7 | bellard | ram_addr = (tlb_entry->addr_write & TARGET_PAGE_MASK) + |
1417 | 3a7d929e | bellard | tlb_entry->addend - (unsigned long)phys_ram_base; |
1418 | 3a7d929e | bellard | if (!cpu_physical_memory_is_dirty(ram_addr)) {
|
1419 | 84b7b8e7 | bellard | tlb_entry->addr_write |= IO_MEM_NOTDIRTY; |
1420 | 3a7d929e | bellard | } |
1421 | 3a7d929e | bellard | } |
1422 | 3a7d929e | bellard | } |
1423 | 3a7d929e | bellard | |
1424 | 3a7d929e | bellard | /* update the TLB according to the current state of the dirty bits */
|
1425 | 3a7d929e | bellard | void cpu_tlb_update_dirty(CPUState *env)
|
1426 | 3a7d929e | bellard | { |
1427 | 3a7d929e | bellard | int i;
|
1428 | 3a7d929e | bellard | for(i = 0; i < CPU_TLB_SIZE; i++) |
1429 | 84b7b8e7 | bellard | tlb_update_dirty(&env->tlb_table[0][i]);
|
1430 | 3a7d929e | bellard | for(i = 0; i < CPU_TLB_SIZE; i++) |
1431 | 84b7b8e7 | bellard | tlb_update_dirty(&env->tlb_table[1][i]);
|
1432 | 3a7d929e | bellard | } |
1433 | 3a7d929e | bellard | |
1434 | 1ccde1cb | bellard | static inline void tlb_set_dirty1(CPUTLBEntry *tlb_entry, |
1435 | 108c49b8 | bellard | unsigned long start) |
1436 | 1ccde1cb | bellard | { |
1437 | 1ccde1cb | bellard | unsigned long addr; |
1438 | 84b7b8e7 | bellard | if ((tlb_entry->addr_write & ~TARGET_PAGE_MASK) == IO_MEM_NOTDIRTY) {
|
1439 | 84b7b8e7 | bellard | addr = (tlb_entry->addr_write & TARGET_PAGE_MASK) + tlb_entry->addend; |
1440 | 1ccde1cb | bellard | if (addr == start) {
|
1441 | 84b7b8e7 | bellard | tlb_entry->addr_write = (tlb_entry->addr_write & TARGET_PAGE_MASK) | IO_MEM_RAM; |
1442 | 1ccde1cb | bellard | } |
1443 | 1ccde1cb | bellard | } |
1444 | 1ccde1cb | bellard | } |
1445 | 1ccde1cb | bellard | |
1446 | 1ccde1cb | bellard | /* update the TLB corresponding to virtual page vaddr and phys addr
|
1447 | 1ccde1cb | bellard | addr so that it is no longer dirty */
|
1448 | 6a00d601 | bellard | static inline void tlb_set_dirty(CPUState *env, |
1449 | 6a00d601 | bellard | unsigned long addr, target_ulong vaddr) |
1450 | 1ccde1cb | bellard | { |
1451 | 1ccde1cb | bellard | int i;
|
1452 | 1ccde1cb | bellard | |
1453 | 1ccde1cb | bellard | addr &= TARGET_PAGE_MASK; |
1454 | 1ccde1cb | bellard | i = (vaddr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
|
1455 | 84b7b8e7 | bellard | tlb_set_dirty1(&env->tlb_table[0][i], addr);
|
1456 | 84b7b8e7 | bellard | tlb_set_dirty1(&env->tlb_table[1][i], addr);
|
1457 | 9fa3e853 | bellard | } |
1458 | 9fa3e853 | bellard | |
1459 | 59817ccb | bellard | /* add a new TLB entry. At most one entry for a given virtual address
|
1460 | 59817ccb | bellard | is permitted. Return 0 if OK or 2 if the page could not be mapped
|
1461 | 59817ccb | bellard | (can only happen in non SOFTMMU mode for I/O pages or pages
|
1462 | 59817ccb | bellard | conflicting with the host address space). */
|
1463 | 84b7b8e7 | bellard | int tlb_set_page_exec(CPUState *env, target_ulong vaddr,
|
1464 | 84b7b8e7 | bellard | target_phys_addr_t paddr, int prot,
|
1465 | 84b7b8e7 | bellard | int is_user, int is_softmmu) |
1466 | 9fa3e853 | bellard | { |
1467 | 92e873b9 | bellard | PhysPageDesc *p; |
1468 | 4f2ac237 | bellard | unsigned long pd; |
1469 | 9fa3e853 | bellard | unsigned int index; |
1470 | 4f2ac237 | bellard | target_ulong address; |
1471 | 108c49b8 | bellard | target_phys_addr_t addend; |
1472 | 9fa3e853 | bellard | int ret;
|
1473 | 84b7b8e7 | bellard | CPUTLBEntry *te; |
1474 | 9fa3e853 | bellard | |
1475 | 92e873b9 | bellard | p = phys_page_find(paddr >> TARGET_PAGE_BITS); |
1476 | 9fa3e853 | bellard | if (!p) {
|
1477 | 9fa3e853 | bellard | pd = IO_MEM_UNASSIGNED; |
1478 | 9fa3e853 | bellard | } else {
|
1479 | 9fa3e853 | bellard | pd = p->phys_offset; |
1480 | 9fa3e853 | bellard | } |
1481 | 9fa3e853 | bellard | #if defined(DEBUG_TLB)
|
1482 | 3a7d929e | bellard | printf("tlb_set_page: vaddr=" TARGET_FMT_lx " paddr=0x%08x prot=%x u=%d smmu=%d pd=0x%08lx\n", |
1483 | 84b7b8e7 | bellard | vaddr, (int)paddr, prot, is_user, is_softmmu, pd);
|
1484 | 9fa3e853 | bellard | #endif
|
1485 | 9fa3e853 | bellard | |
1486 | 9fa3e853 | bellard | ret = 0;
|
1487 | 9fa3e853 | bellard | #if !defined(CONFIG_SOFTMMU)
|
1488 | 9fa3e853 | bellard | if (is_softmmu)
|
1489 | 9fa3e853 | bellard | #endif
|
1490 | 9fa3e853 | bellard | { |
1491 | 9fa3e853 | bellard | if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM) {
|
1492 | 9fa3e853 | bellard | /* IO memory case */
|
1493 | 9fa3e853 | bellard | address = vaddr | pd; |
1494 | 9fa3e853 | bellard | addend = paddr; |
1495 | 9fa3e853 | bellard | } else {
|
1496 | 9fa3e853 | bellard | /* standard memory */
|
1497 | 9fa3e853 | bellard | address = vaddr; |
1498 | 9fa3e853 | bellard | addend = (unsigned long)phys_ram_base + (pd & TARGET_PAGE_MASK); |
1499 | 9fa3e853 | bellard | } |
1500 | 9fa3e853 | bellard | |
1501 | 90f18422 | bellard | index = (vaddr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
|
1502 | 9fa3e853 | bellard | addend -= vaddr; |
1503 | 84b7b8e7 | bellard | te = &env->tlb_table[is_user][index]; |
1504 | 84b7b8e7 | bellard | te->addend = addend; |
1505 | 67b915a5 | bellard | if (prot & PAGE_READ) {
|
1506 | 84b7b8e7 | bellard | te->addr_read = address; |
1507 | 84b7b8e7 | bellard | } else {
|
1508 | 84b7b8e7 | bellard | te->addr_read = -1;
|
1509 | 84b7b8e7 | bellard | } |
1510 | 84b7b8e7 | bellard | if (prot & PAGE_EXEC) {
|
1511 | 84b7b8e7 | bellard | te->addr_code = address; |
1512 | 9fa3e853 | bellard | } else {
|
1513 | 84b7b8e7 | bellard | te->addr_code = -1;
|
1514 | 9fa3e853 | bellard | } |
1515 | 67b915a5 | bellard | if (prot & PAGE_WRITE) {
|
1516 | 9fa3e853 | bellard | if ((pd & ~TARGET_PAGE_MASK) == IO_MEM_ROM) {
|
1517 | 9fa3e853 | bellard | /* ROM: access is ignored (same as unassigned) */
|
1518 | 84b7b8e7 | bellard | te->addr_write = vaddr | IO_MEM_ROM; |
1519 | 3a7d929e | bellard | } else if ((pd & ~TARGET_PAGE_MASK) == IO_MEM_RAM && |
1520 | 1ccde1cb | bellard | !cpu_physical_memory_is_dirty(pd)) { |
1521 | 84b7b8e7 | bellard | te->addr_write = vaddr | IO_MEM_NOTDIRTY; |
1522 | 9fa3e853 | bellard | } else {
|
1523 | 84b7b8e7 | bellard | te->addr_write = address; |
1524 | 9fa3e853 | bellard | } |
1525 | 9fa3e853 | bellard | } else {
|
1526 | 84b7b8e7 | bellard | te->addr_write = -1;
|
1527 | 9fa3e853 | bellard | } |
1528 | 9fa3e853 | bellard | } |
1529 | 9fa3e853 | bellard | #if !defined(CONFIG_SOFTMMU)
|
1530 | 9fa3e853 | bellard | else {
|
1531 | 9fa3e853 | bellard | if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM) {
|
1532 | 9fa3e853 | bellard | /* IO access: no mapping is done as it will be handled by the
|
1533 | 9fa3e853 | bellard | soft MMU */
|
1534 | 9fa3e853 | bellard | if (!(env->hflags & HF_SOFTMMU_MASK))
|
1535 | 9fa3e853 | bellard | ret = 2;
|
1536 | 9fa3e853 | bellard | } else {
|
1537 | 9fa3e853 | bellard | void *map_addr;
|
1538 | 59817ccb | bellard | |
1539 | 59817ccb | bellard | if (vaddr >= MMAP_AREA_END) {
|
1540 | 59817ccb | bellard | ret = 2;
|
1541 | 59817ccb | bellard | } else {
|
1542 | 59817ccb | bellard | if (prot & PROT_WRITE) {
|
1543 | 59817ccb | bellard | if ((pd & ~TARGET_PAGE_MASK) == IO_MEM_ROM ||
|
1544 | d720b93d | bellard | #if defined(TARGET_HAS_SMC) || 1 |
1545 | 59817ccb | bellard | first_tb || |
1546 | d720b93d | bellard | #endif
|
1547 | 59817ccb | bellard | ((pd & ~TARGET_PAGE_MASK) == IO_MEM_RAM && |
1548 | 59817ccb | bellard | !cpu_physical_memory_is_dirty(pd))) { |
1549 | 59817ccb | bellard | /* ROM: we do as if code was inside */
|
1550 | 59817ccb | bellard | /* if code is present, we only map as read only and save the
|
1551 | 59817ccb | bellard | original mapping */
|
1552 | 59817ccb | bellard | VirtPageDesc *vp; |
1553 | 59817ccb | bellard | |
1554 | 90f18422 | bellard | vp = virt_page_find_alloc(vaddr >> TARGET_PAGE_BITS, 1);
|
1555 | 59817ccb | bellard | vp->phys_addr = pd; |
1556 | 59817ccb | bellard | vp->prot = prot; |
1557 | 59817ccb | bellard | vp->valid_tag = virt_valid_tag; |
1558 | 59817ccb | bellard | prot &= ~PAGE_WRITE; |
1559 | 59817ccb | bellard | } |
1560 | 59817ccb | bellard | } |
1561 | 59817ccb | bellard | map_addr = mmap((void *)vaddr, TARGET_PAGE_SIZE, prot,
|
1562 | 59817ccb | bellard | MAP_SHARED | MAP_FIXED, phys_ram_fd, (pd & TARGET_PAGE_MASK)); |
1563 | 59817ccb | bellard | if (map_addr == MAP_FAILED) {
|
1564 | 59817ccb | bellard | cpu_abort(env, "mmap failed when mapped physical address 0x%08x to virtual address 0x%08x\n",
|
1565 | 59817ccb | bellard | paddr, vaddr); |
1566 | 9fa3e853 | bellard | } |
1567 | 9fa3e853 | bellard | } |
1568 | 9fa3e853 | bellard | } |
1569 | 9fa3e853 | bellard | } |
1570 | 9fa3e853 | bellard | #endif
|
1571 | 9fa3e853 | bellard | return ret;
|
1572 | 9fa3e853 | bellard | } |
1573 | 9fa3e853 | bellard | |
1574 | 9fa3e853 | bellard | /* called from signal handler: invalidate the code and unprotect the
|
1575 | 9fa3e853 | bellard | page. Return TRUE if the fault was succesfully handled. */
|
1576 | 53a5960a | pbrook | int page_unprotect(target_ulong addr, unsigned long pc, void *puc) |
1577 | 9fa3e853 | bellard | { |
1578 | 9fa3e853 | bellard | #if !defined(CONFIG_SOFTMMU)
|
1579 | 9fa3e853 | bellard | VirtPageDesc *vp; |
1580 | 9fa3e853 | bellard | |
1581 | 9fa3e853 | bellard | #if defined(DEBUG_TLB)
|
1582 | 9fa3e853 | bellard | printf("page_unprotect: addr=0x%08x\n", addr);
|
1583 | 9fa3e853 | bellard | #endif
|
1584 | 9fa3e853 | bellard | addr &= TARGET_PAGE_MASK; |
1585 | 59817ccb | bellard | |
1586 | 59817ccb | bellard | /* if it is not mapped, no need to worry here */
|
1587 | 59817ccb | bellard | if (addr >= MMAP_AREA_END)
|
1588 | 59817ccb | bellard | return 0; |
1589 | 9fa3e853 | bellard | vp = virt_page_find(addr >> TARGET_PAGE_BITS); |
1590 | 9fa3e853 | bellard | if (!vp)
|
1591 | 9fa3e853 | bellard | return 0; |
1592 | 9fa3e853 | bellard | /* NOTE: in this case, validate_tag is _not_ tested as it
|
1593 | 9fa3e853 | bellard | validates only the code TLB */
|
1594 | 9fa3e853 | bellard | if (vp->valid_tag != virt_valid_tag)
|
1595 | 9fa3e853 | bellard | return 0; |
1596 | 9fa3e853 | bellard | if (!(vp->prot & PAGE_WRITE))
|
1597 | 9fa3e853 | bellard | return 0; |
1598 | 9fa3e853 | bellard | #if defined(DEBUG_TLB)
|
1599 | 9fa3e853 | bellard | printf("page_unprotect: addr=0x%08x phys_addr=0x%08x prot=%x\n",
|
1600 | 9fa3e853 | bellard | addr, vp->phys_addr, vp->prot); |
1601 | 9fa3e853 | bellard | #endif
|
1602 | 59817ccb | bellard | if (mprotect((void *)addr, TARGET_PAGE_SIZE, vp->prot) < 0) |
1603 | 59817ccb | bellard | cpu_abort(cpu_single_env, "error mprotect addr=0x%lx prot=%d\n",
|
1604 | 59817ccb | bellard | (unsigned long)addr, vp->prot); |
1605 | d720b93d | bellard | /* set the dirty bit */
|
1606 | 0a962c02 | bellard | phys_ram_dirty[vp->phys_addr >> TARGET_PAGE_BITS] = 0xff;
|
1607 | d720b93d | bellard | /* flush the code inside */
|
1608 | d720b93d | bellard | tb_invalidate_phys_page(vp->phys_addr, pc, puc); |
1609 | 9fa3e853 | bellard | return 1; |
1610 | 9fa3e853 | bellard | #else
|
1611 | 9fa3e853 | bellard | return 0; |
1612 | 9fa3e853 | bellard | #endif
|
1613 | 33417e70 | bellard | } |
1614 | 33417e70 | bellard | |
1615 | 0124311e | bellard | #else
|
1616 | 0124311e | bellard | |
1617 | ee8b7021 | bellard | void tlb_flush(CPUState *env, int flush_global) |
1618 | 0124311e | bellard | { |
1619 | 0124311e | bellard | } |
1620 | 0124311e | bellard | |
1621 | 2e12669a | bellard | void tlb_flush_page(CPUState *env, target_ulong addr)
|
1622 | 0124311e | bellard | { |
1623 | 0124311e | bellard | } |
1624 | 0124311e | bellard | |
1625 | 84b7b8e7 | bellard | int tlb_set_page_exec(CPUState *env, target_ulong vaddr,
|
1626 | 84b7b8e7 | bellard | target_phys_addr_t paddr, int prot,
|
1627 | 84b7b8e7 | bellard | int is_user, int is_softmmu) |
1628 | 9fa3e853 | bellard | { |
1629 | 9fa3e853 | bellard | return 0; |
1630 | 9fa3e853 | bellard | } |
1631 | 0124311e | bellard | |
1632 | 9fa3e853 | bellard | /* dump memory mappings */
|
1633 | 9fa3e853 | bellard | void page_dump(FILE *f)
|
1634 | 33417e70 | bellard | { |
1635 | 9fa3e853 | bellard | unsigned long start, end; |
1636 | 9fa3e853 | bellard | int i, j, prot, prot1;
|
1637 | 9fa3e853 | bellard | PageDesc *p; |
1638 | 33417e70 | bellard | |
1639 | 9fa3e853 | bellard | fprintf(f, "%-8s %-8s %-8s %s\n",
|
1640 | 9fa3e853 | bellard | "start", "end", "size", "prot"); |
1641 | 9fa3e853 | bellard | start = -1;
|
1642 | 9fa3e853 | bellard | end = -1;
|
1643 | 9fa3e853 | bellard | prot = 0;
|
1644 | 9fa3e853 | bellard | for(i = 0; i <= L1_SIZE; i++) { |
1645 | 9fa3e853 | bellard | if (i < L1_SIZE)
|
1646 | 9fa3e853 | bellard | p = l1_map[i]; |
1647 | 9fa3e853 | bellard | else
|
1648 | 9fa3e853 | bellard | p = NULL;
|
1649 | 9fa3e853 | bellard | for(j = 0;j < L2_SIZE; j++) { |
1650 | 9fa3e853 | bellard | if (!p)
|
1651 | 9fa3e853 | bellard | prot1 = 0;
|
1652 | 9fa3e853 | bellard | else
|
1653 | 9fa3e853 | bellard | prot1 = p[j].flags; |
1654 | 9fa3e853 | bellard | if (prot1 != prot) {
|
1655 | 9fa3e853 | bellard | end = (i << (32 - L1_BITS)) | (j << TARGET_PAGE_BITS);
|
1656 | 9fa3e853 | bellard | if (start != -1) { |
1657 | 9fa3e853 | bellard | fprintf(f, "%08lx-%08lx %08lx %c%c%c\n",
|
1658 | 9fa3e853 | bellard | start, end, end - start, |
1659 | 9fa3e853 | bellard | prot & PAGE_READ ? 'r' : '-', |
1660 | 9fa3e853 | bellard | prot & PAGE_WRITE ? 'w' : '-', |
1661 | 9fa3e853 | bellard | prot & PAGE_EXEC ? 'x' : '-'); |
1662 | 9fa3e853 | bellard | } |
1663 | 9fa3e853 | bellard | if (prot1 != 0) |
1664 | 9fa3e853 | bellard | start = end; |
1665 | 9fa3e853 | bellard | else
|
1666 | 9fa3e853 | bellard | start = -1;
|
1667 | 9fa3e853 | bellard | prot = prot1; |
1668 | 9fa3e853 | bellard | } |
1669 | 9fa3e853 | bellard | if (!p)
|
1670 | 9fa3e853 | bellard | break;
|
1671 | 9fa3e853 | bellard | } |
1672 | 33417e70 | bellard | } |
1673 | 33417e70 | bellard | } |
1674 | 33417e70 | bellard | |
1675 | 53a5960a | pbrook | int page_get_flags(target_ulong address)
|
1676 | 33417e70 | bellard | { |
1677 | 9fa3e853 | bellard | PageDesc *p; |
1678 | 9fa3e853 | bellard | |
1679 | 9fa3e853 | bellard | p = page_find(address >> TARGET_PAGE_BITS); |
1680 | 33417e70 | bellard | if (!p)
|
1681 | 9fa3e853 | bellard | return 0; |
1682 | 9fa3e853 | bellard | return p->flags;
|
1683 | 9fa3e853 | bellard | } |
1684 | 9fa3e853 | bellard | |
1685 | 9fa3e853 | bellard | /* modify the flags of a page and invalidate the code if
|
1686 | 9fa3e853 | bellard | necessary. The flag PAGE_WRITE_ORG is positionned automatically
|
1687 | 9fa3e853 | bellard | depending on PAGE_WRITE */
|
1688 | 53a5960a | pbrook | void page_set_flags(target_ulong start, target_ulong end, int flags) |
1689 | 9fa3e853 | bellard | { |
1690 | 9fa3e853 | bellard | PageDesc *p; |
1691 | 53a5960a | pbrook | target_ulong addr; |
1692 | 9fa3e853 | bellard | |
1693 | 9fa3e853 | bellard | start = start & TARGET_PAGE_MASK; |
1694 | 9fa3e853 | bellard | end = TARGET_PAGE_ALIGN(end); |
1695 | 9fa3e853 | bellard | if (flags & PAGE_WRITE)
|
1696 | 9fa3e853 | bellard | flags |= PAGE_WRITE_ORG; |
1697 | 9fa3e853 | bellard | spin_lock(&tb_lock); |
1698 | 9fa3e853 | bellard | for(addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
|
1699 | 9fa3e853 | bellard | p = page_find_alloc(addr >> TARGET_PAGE_BITS); |
1700 | 9fa3e853 | bellard | /* if the write protection is set, then we invalidate the code
|
1701 | 9fa3e853 | bellard | inside */
|
1702 | 9fa3e853 | bellard | if (!(p->flags & PAGE_WRITE) &&
|
1703 | 9fa3e853 | bellard | (flags & PAGE_WRITE) && |
1704 | 9fa3e853 | bellard | p->first_tb) { |
1705 | d720b93d | bellard | tb_invalidate_phys_page(addr, 0, NULL); |
1706 | 9fa3e853 | bellard | } |
1707 | 9fa3e853 | bellard | p->flags = flags; |
1708 | 9fa3e853 | bellard | } |
1709 | 9fa3e853 | bellard | spin_unlock(&tb_lock); |
1710 | 33417e70 | bellard | } |
1711 | 33417e70 | bellard | |
1712 | 9fa3e853 | bellard | /* called from signal handler: invalidate the code and unprotect the
|
1713 | 9fa3e853 | bellard | page. Return TRUE if the fault was succesfully handled. */
|
1714 | 53a5960a | pbrook | int page_unprotect(target_ulong address, unsigned long pc, void *puc) |
1715 | 9fa3e853 | bellard | { |
1716 | 9fa3e853 | bellard | unsigned int page_index, prot, pindex; |
1717 | 9fa3e853 | bellard | PageDesc *p, *p1; |
1718 | 53a5960a | pbrook | target_ulong host_start, host_end, addr; |
1719 | 9fa3e853 | bellard | |
1720 | 83fb7adf | bellard | host_start = address & qemu_host_page_mask; |
1721 | 9fa3e853 | bellard | page_index = host_start >> TARGET_PAGE_BITS; |
1722 | 9fa3e853 | bellard | p1 = page_find(page_index); |
1723 | 9fa3e853 | bellard | if (!p1)
|
1724 | 9fa3e853 | bellard | return 0; |
1725 | 83fb7adf | bellard | host_end = host_start + qemu_host_page_size; |
1726 | 9fa3e853 | bellard | p = p1; |
1727 | 9fa3e853 | bellard | prot = 0;
|
1728 | 9fa3e853 | bellard | for(addr = host_start;addr < host_end; addr += TARGET_PAGE_SIZE) {
|
1729 | 9fa3e853 | bellard | prot |= p->flags; |
1730 | 9fa3e853 | bellard | p++; |
1731 | 9fa3e853 | bellard | } |
1732 | 9fa3e853 | bellard | /* if the page was really writable, then we change its
|
1733 | 9fa3e853 | bellard | protection back to writable */
|
1734 | 9fa3e853 | bellard | if (prot & PAGE_WRITE_ORG) {
|
1735 | 9fa3e853 | bellard | pindex = (address - host_start) >> TARGET_PAGE_BITS; |
1736 | 9fa3e853 | bellard | if (!(p1[pindex].flags & PAGE_WRITE)) {
|
1737 | 53a5960a | pbrook | mprotect((void *)g2h(host_start), qemu_host_page_size,
|
1738 | 9fa3e853 | bellard | (prot & PAGE_BITS) | PAGE_WRITE); |
1739 | 9fa3e853 | bellard | p1[pindex].flags |= PAGE_WRITE; |
1740 | 9fa3e853 | bellard | /* and since the content will be modified, we must invalidate
|
1741 | 9fa3e853 | bellard | the corresponding translated code. */
|
1742 | d720b93d | bellard | tb_invalidate_phys_page(address, pc, puc); |
1743 | 9fa3e853 | bellard | #ifdef DEBUG_TB_CHECK
|
1744 | 9fa3e853 | bellard | tb_invalidate_check(address); |
1745 | 9fa3e853 | bellard | #endif
|
1746 | 9fa3e853 | bellard | return 1; |
1747 | 9fa3e853 | bellard | } |
1748 | 9fa3e853 | bellard | } |
1749 | 9fa3e853 | bellard | return 0; |
1750 | 9fa3e853 | bellard | } |
1751 | 9fa3e853 | bellard | |
1752 | 9fa3e853 | bellard | /* call this function when system calls directly modify a memory area */
|
1753 | 53a5960a | pbrook | /* ??? This should be redundant now we have lock_user. */
|
1754 | 53a5960a | pbrook | void page_unprotect_range(target_ulong data, target_ulong data_size)
|
1755 | 9fa3e853 | bellard | { |
1756 | 53a5960a | pbrook | target_ulong start, end, addr; |
1757 | 9fa3e853 | bellard | |
1758 | 53a5960a | pbrook | start = data; |
1759 | 9fa3e853 | bellard | end = start + data_size; |
1760 | 9fa3e853 | bellard | start &= TARGET_PAGE_MASK; |
1761 | 9fa3e853 | bellard | end = TARGET_PAGE_ALIGN(end); |
1762 | 9fa3e853 | bellard | for(addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
|
1763 | d720b93d | bellard | page_unprotect(addr, 0, NULL); |
1764 | 9fa3e853 | bellard | } |
1765 | 9fa3e853 | bellard | } |
1766 | 9fa3e853 | bellard | |
1767 | 6a00d601 | bellard | static inline void tlb_set_dirty(CPUState *env, |
1768 | 6a00d601 | bellard | unsigned long addr, target_ulong vaddr) |
1769 | 1ccde1cb | bellard | { |
1770 | 1ccde1cb | bellard | } |
1771 | 9fa3e853 | bellard | #endif /* defined(CONFIG_USER_ONLY) */ |
1772 | 9fa3e853 | bellard | |
1773 | 33417e70 | bellard | /* register physical memory. 'size' must be a multiple of the target
|
1774 | 33417e70 | bellard | page size. If (phys_offset & ~TARGET_PAGE_MASK) != 0, then it is an
|
1775 | 33417e70 | bellard | io memory page */
|
1776 | 2e12669a | bellard | void cpu_register_physical_memory(target_phys_addr_t start_addr,
|
1777 | 2e12669a | bellard | unsigned long size, |
1778 | 2e12669a | bellard | unsigned long phys_offset) |
1779 | 33417e70 | bellard | { |
1780 | 108c49b8 | bellard | target_phys_addr_t addr, end_addr; |
1781 | 92e873b9 | bellard | PhysPageDesc *p; |
1782 | 33417e70 | bellard | |
1783 | 5fd386f6 | bellard | size = (size + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
|
1784 | 33417e70 | bellard | end_addr = start_addr + size; |
1785 | 5fd386f6 | bellard | for(addr = start_addr; addr != end_addr; addr += TARGET_PAGE_SIZE) {
|
1786 | 108c49b8 | bellard | p = phys_page_find_alloc(addr >> TARGET_PAGE_BITS, 1);
|
1787 | 9fa3e853 | bellard | p->phys_offset = phys_offset; |
1788 | 9fa3e853 | bellard | if ((phys_offset & ~TARGET_PAGE_MASK) <= IO_MEM_ROM)
|
1789 | 33417e70 | bellard | phys_offset += TARGET_PAGE_SIZE; |
1790 | 33417e70 | bellard | } |
1791 | 33417e70 | bellard | } |
1792 | 33417e70 | bellard | |
1793 | a4193c8a | bellard | static uint32_t unassigned_mem_readb(void *opaque, target_phys_addr_t addr) |
1794 | 33417e70 | bellard | { |
1795 | 33417e70 | bellard | return 0; |
1796 | 33417e70 | bellard | } |
1797 | 33417e70 | bellard | |
1798 | a4193c8a | bellard | static void unassigned_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) |
1799 | 33417e70 | bellard | { |
1800 | 33417e70 | bellard | } |
1801 | 33417e70 | bellard | |
1802 | 33417e70 | bellard | static CPUReadMemoryFunc *unassigned_mem_read[3] = { |
1803 | 33417e70 | bellard | unassigned_mem_readb, |
1804 | 33417e70 | bellard | unassigned_mem_readb, |
1805 | 33417e70 | bellard | unassigned_mem_readb, |
1806 | 33417e70 | bellard | }; |
1807 | 33417e70 | bellard | |
1808 | 33417e70 | bellard | static CPUWriteMemoryFunc *unassigned_mem_write[3] = { |
1809 | 33417e70 | bellard | unassigned_mem_writeb, |
1810 | 33417e70 | bellard | unassigned_mem_writeb, |
1811 | 33417e70 | bellard | unassigned_mem_writeb, |
1812 | 33417e70 | bellard | }; |
1813 | 33417e70 | bellard | |
1814 | 3a7d929e | bellard | static void notdirty_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) |
1815 | 9fa3e853 | bellard | { |
1816 | 3a7d929e | bellard | unsigned long ram_addr; |
1817 | 3a7d929e | bellard | int dirty_flags;
|
1818 | 3a7d929e | bellard | ram_addr = addr - (unsigned long)phys_ram_base; |
1819 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
1820 | 3a7d929e | bellard | if (!(dirty_flags & CODE_DIRTY_FLAG)) {
|
1821 | 9fa3e853 | bellard | #if !defined(CONFIG_USER_ONLY)
|
1822 | 3a7d929e | bellard | tb_invalidate_phys_page_fast(ram_addr, 1);
|
1823 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
1824 | 9fa3e853 | bellard | #endif
|
1825 | 3a7d929e | bellard | } |
1826 | c27004ec | bellard | stb_p((uint8_t *)(long)addr, val);
|
1827 | f32fc648 | bellard | #ifdef USE_KQEMU
|
1828 | f32fc648 | bellard | if (cpu_single_env->kqemu_enabled &&
|
1829 | f32fc648 | bellard | (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK) |
1830 | f32fc648 | bellard | kqemu_modify_page(cpu_single_env, ram_addr); |
1831 | f32fc648 | bellard | #endif
|
1832 | f23db169 | bellard | dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
|
1833 | f23db169 | bellard | phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags; |
1834 | f23db169 | bellard | /* we remove the notdirty callback only if the code has been
|
1835 | f23db169 | bellard | flushed */
|
1836 | f23db169 | bellard | if (dirty_flags == 0xff) |
1837 | 6a00d601 | bellard | tlb_set_dirty(cpu_single_env, addr, cpu_single_env->mem_write_vaddr); |
1838 | 9fa3e853 | bellard | } |
1839 | 9fa3e853 | bellard | |
1840 | 3a7d929e | bellard | static void notdirty_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val) |
1841 | 9fa3e853 | bellard | { |
1842 | 3a7d929e | bellard | unsigned long ram_addr; |
1843 | 3a7d929e | bellard | int dirty_flags;
|
1844 | 3a7d929e | bellard | ram_addr = addr - (unsigned long)phys_ram_base; |
1845 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
1846 | 3a7d929e | bellard | if (!(dirty_flags & CODE_DIRTY_FLAG)) {
|
1847 | 9fa3e853 | bellard | #if !defined(CONFIG_USER_ONLY)
|
1848 | 3a7d929e | bellard | tb_invalidate_phys_page_fast(ram_addr, 2);
|
1849 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
1850 | 9fa3e853 | bellard | #endif
|
1851 | 3a7d929e | bellard | } |
1852 | c27004ec | bellard | stw_p((uint8_t *)(long)addr, val);
|
1853 | f32fc648 | bellard | #ifdef USE_KQEMU
|
1854 | f32fc648 | bellard | if (cpu_single_env->kqemu_enabled &&
|
1855 | f32fc648 | bellard | (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK) |
1856 | f32fc648 | bellard | kqemu_modify_page(cpu_single_env, ram_addr); |
1857 | f32fc648 | bellard | #endif
|
1858 | f23db169 | bellard | dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
|
1859 | f23db169 | bellard | phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags; |
1860 | f23db169 | bellard | /* we remove the notdirty callback only if the code has been
|
1861 | f23db169 | bellard | flushed */
|
1862 | f23db169 | bellard | if (dirty_flags == 0xff) |
1863 | 6a00d601 | bellard | tlb_set_dirty(cpu_single_env, addr, cpu_single_env->mem_write_vaddr); |
1864 | 9fa3e853 | bellard | } |
1865 | 9fa3e853 | bellard | |
1866 | 3a7d929e | bellard | static void notdirty_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) |
1867 | 9fa3e853 | bellard | { |
1868 | 3a7d929e | bellard | unsigned long ram_addr; |
1869 | 3a7d929e | bellard | int dirty_flags;
|
1870 | 3a7d929e | bellard | ram_addr = addr - (unsigned long)phys_ram_base; |
1871 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
1872 | 3a7d929e | bellard | if (!(dirty_flags & CODE_DIRTY_FLAG)) {
|
1873 | 9fa3e853 | bellard | #if !defined(CONFIG_USER_ONLY)
|
1874 | 3a7d929e | bellard | tb_invalidate_phys_page_fast(ram_addr, 4);
|
1875 | 3a7d929e | bellard | dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; |
1876 | 9fa3e853 | bellard | #endif
|
1877 | 3a7d929e | bellard | } |
1878 | c27004ec | bellard | stl_p((uint8_t *)(long)addr, val);
|
1879 | f32fc648 | bellard | #ifdef USE_KQEMU
|
1880 | f32fc648 | bellard | if (cpu_single_env->kqemu_enabled &&
|
1881 | f32fc648 | bellard | (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK) |
1882 | f32fc648 | bellard | kqemu_modify_page(cpu_single_env, ram_addr); |
1883 | f32fc648 | bellard | #endif
|
1884 | f23db169 | bellard | dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
|
1885 | f23db169 | bellard | phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags; |
1886 | f23db169 | bellard | /* we remove the notdirty callback only if the code has been
|
1887 | f23db169 | bellard | flushed */
|
1888 | f23db169 | bellard | if (dirty_flags == 0xff) |
1889 | 6a00d601 | bellard | tlb_set_dirty(cpu_single_env, addr, cpu_single_env->mem_write_vaddr); |
1890 | 9fa3e853 | bellard | } |
1891 | 9fa3e853 | bellard | |
1892 | 3a7d929e | bellard | static CPUReadMemoryFunc *error_mem_read[3] = { |
1893 | 9fa3e853 | bellard | NULL, /* never used */ |
1894 | 9fa3e853 | bellard | NULL, /* never used */ |
1895 | 9fa3e853 | bellard | NULL, /* never used */ |
1896 | 9fa3e853 | bellard | }; |
1897 | 9fa3e853 | bellard | |
1898 | 1ccde1cb | bellard | static CPUWriteMemoryFunc *notdirty_mem_write[3] = { |
1899 | 1ccde1cb | bellard | notdirty_mem_writeb, |
1900 | 1ccde1cb | bellard | notdirty_mem_writew, |
1901 | 1ccde1cb | bellard | notdirty_mem_writel, |
1902 | 1ccde1cb | bellard | }; |
1903 | 1ccde1cb | bellard | |
1904 | 33417e70 | bellard | static void io_mem_init(void) |
1905 | 33417e70 | bellard | { |
1906 | 3a7d929e | bellard | cpu_register_io_memory(IO_MEM_ROM >> IO_MEM_SHIFT, error_mem_read, unassigned_mem_write, NULL);
|
1907 | a4193c8a | bellard | cpu_register_io_memory(IO_MEM_UNASSIGNED >> IO_MEM_SHIFT, unassigned_mem_read, unassigned_mem_write, NULL);
|
1908 | 3a7d929e | bellard | cpu_register_io_memory(IO_MEM_NOTDIRTY >> IO_MEM_SHIFT, error_mem_read, notdirty_mem_write, NULL);
|
1909 | 1ccde1cb | bellard | io_mem_nb = 5;
|
1910 | 1ccde1cb | bellard | |
1911 | 1ccde1cb | bellard | /* alloc dirty bits array */
|
1912 | 0a962c02 | bellard | phys_ram_dirty = qemu_vmalloc(phys_ram_size >> TARGET_PAGE_BITS); |
1913 | 3a7d929e | bellard | memset(phys_ram_dirty, 0xff, phys_ram_size >> TARGET_PAGE_BITS);
|
1914 | 33417e70 | bellard | } |
1915 | 33417e70 | bellard | |
1916 | 33417e70 | bellard | /* mem_read and mem_write are arrays of functions containing the
|
1917 | 33417e70 | bellard | function to access byte (index 0), word (index 1) and dword (index
|
1918 | 33417e70 | bellard | 2). All functions must be supplied. If io_index is non zero, the
|
1919 | 33417e70 | bellard | corresponding io zone is modified. If it is zero, a new io zone is
|
1920 | 33417e70 | bellard | allocated. The return value can be used with
|
1921 | 33417e70 | bellard | cpu_register_physical_memory(). (-1) is returned if error. */
|
1922 | 33417e70 | bellard | int cpu_register_io_memory(int io_index, |
1923 | 33417e70 | bellard | CPUReadMemoryFunc **mem_read, |
1924 | a4193c8a | bellard | CPUWriteMemoryFunc **mem_write, |
1925 | a4193c8a | bellard | void *opaque)
|
1926 | 33417e70 | bellard | { |
1927 | 33417e70 | bellard | int i;
|
1928 | 33417e70 | bellard | |
1929 | 33417e70 | bellard | if (io_index <= 0) { |
1930 | b5ff1b31 | bellard | if (io_mem_nb >= IO_MEM_NB_ENTRIES)
|
1931 | 33417e70 | bellard | return -1; |
1932 | 33417e70 | bellard | io_index = io_mem_nb++; |
1933 | 33417e70 | bellard | } else {
|
1934 | 33417e70 | bellard | if (io_index >= IO_MEM_NB_ENTRIES)
|
1935 | 33417e70 | bellard | return -1; |
1936 | 33417e70 | bellard | } |
1937 | b5ff1b31 | bellard | |
1938 | 33417e70 | bellard | for(i = 0;i < 3; i++) { |
1939 | 33417e70 | bellard | io_mem_read[io_index][i] = mem_read[i]; |
1940 | 33417e70 | bellard | io_mem_write[io_index][i] = mem_write[i]; |
1941 | 33417e70 | bellard | } |
1942 | a4193c8a | bellard | io_mem_opaque[io_index] = opaque; |
1943 | 33417e70 | bellard | return io_index << IO_MEM_SHIFT;
|
1944 | 33417e70 | bellard | } |
1945 | 61382a50 | bellard | |
1946 | 8926b517 | bellard | CPUWriteMemoryFunc **cpu_get_io_memory_write(int io_index)
|
1947 | 8926b517 | bellard | { |
1948 | 8926b517 | bellard | return io_mem_write[io_index >> IO_MEM_SHIFT];
|
1949 | 8926b517 | bellard | } |
1950 | 8926b517 | bellard | |
1951 | 8926b517 | bellard | CPUReadMemoryFunc **cpu_get_io_memory_read(int io_index)
|
1952 | 8926b517 | bellard | { |
1953 | 8926b517 | bellard | return io_mem_read[io_index >> IO_MEM_SHIFT];
|
1954 | 8926b517 | bellard | } |
1955 | 8926b517 | bellard | |
1956 | 13eb76e0 | bellard | /* physical memory access (slow version, mainly for debug) */
|
1957 | 13eb76e0 | bellard | #if defined(CONFIG_USER_ONLY)
|
1958 | 2e12669a | bellard | void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
|
1959 | 13eb76e0 | bellard | int len, int is_write) |
1960 | 13eb76e0 | bellard | { |
1961 | 13eb76e0 | bellard | int l, flags;
|
1962 | 13eb76e0 | bellard | target_ulong page; |
1963 | 53a5960a | pbrook | void * p;
|
1964 | 13eb76e0 | bellard | |
1965 | 13eb76e0 | bellard | while (len > 0) { |
1966 | 13eb76e0 | bellard | page = addr & TARGET_PAGE_MASK; |
1967 | 13eb76e0 | bellard | l = (page + TARGET_PAGE_SIZE) - addr; |
1968 | 13eb76e0 | bellard | if (l > len)
|
1969 | 13eb76e0 | bellard | l = len; |
1970 | 13eb76e0 | bellard | flags = page_get_flags(page); |
1971 | 13eb76e0 | bellard | if (!(flags & PAGE_VALID))
|
1972 | 13eb76e0 | bellard | return;
|
1973 | 13eb76e0 | bellard | if (is_write) {
|
1974 | 13eb76e0 | bellard | if (!(flags & PAGE_WRITE))
|
1975 | 13eb76e0 | bellard | return;
|
1976 | 53a5960a | pbrook | p = lock_user(addr, len, 0);
|
1977 | 53a5960a | pbrook | memcpy(p, buf, len); |
1978 | 53a5960a | pbrook | unlock_user(p, addr, len); |
1979 | 13eb76e0 | bellard | } else {
|
1980 | 13eb76e0 | bellard | if (!(flags & PAGE_READ))
|
1981 | 13eb76e0 | bellard | return;
|
1982 | 53a5960a | pbrook | p = lock_user(addr, len, 1);
|
1983 | 53a5960a | pbrook | memcpy(buf, p, len); |
1984 | 53a5960a | pbrook | unlock_user(p, addr, 0);
|
1985 | 13eb76e0 | bellard | } |
1986 | 13eb76e0 | bellard | len -= l; |
1987 | 13eb76e0 | bellard | buf += l; |
1988 | 13eb76e0 | bellard | addr += l; |
1989 | 13eb76e0 | bellard | } |
1990 | 13eb76e0 | bellard | } |
1991 | 8df1cd07 | bellard | |
1992 | 13eb76e0 | bellard | #else
|
1993 | 2e12669a | bellard | void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
|
1994 | 13eb76e0 | bellard | int len, int is_write) |
1995 | 13eb76e0 | bellard | { |
1996 | 13eb76e0 | bellard | int l, io_index;
|
1997 | 13eb76e0 | bellard | uint8_t *ptr; |
1998 | 13eb76e0 | bellard | uint32_t val; |
1999 | 2e12669a | bellard | target_phys_addr_t page; |
2000 | 2e12669a | bellard | unsigned long pd; |
2001 | 92e873b9 | bellard | PhysPageDesc *p; |
2002 | 13eb76e0 | bellard | |
2003 | 13eb76e0 | bellard | while (len > 0) { |
2004 | 13eb76e0 | bellard | page = addr & TARGET_PAGE_MASK; |
2005 | 13eb76e0 | bellard | l = (page + TARGET_PAGE_SIZE) - addr; |
2006 | 13eb76e0 | bellard | if (l > len)
|
2007 | 13eb76e0 | bellard | l = len; |
2008 | 92e873b9 | bellard | p = phys_page_find(page >> TARGET_PAGE_BITS); |
2009 | 13eb76e0 | bellard | if (!p) {
|
2010 | 13eb76e0 | bellard | pd = IO_MEM_UNASSIGNED; |
2011 | 13eb76e0 | bellard | } else {
|
2012 | 13eb76e0 | bellard | pd = p->phys_offset; |
2013 | 13eb76e0 | bellard | } |
2014 | 13eb76e0 | bellard | |
2015 | 13eb76e0 | bellard | if (is_write) {
|
2016 | 3a7d929e | bellard | if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
|
2017 | 13eb76e0 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
2018 | 6a00d601 | bellard | /* XXX: could force cpu_single_env to NULL to avoid
|
2019 | 6a00d601 | bellard | potential bugs */
|
2020 | 13eb76e0 | bellard | if (l >= 4 && ((addr & 3) == 0)) { |
2021 | 1c213d19 | bellard | /* 32 bit write access */
|
2022 | c27004ec | bellard | val = ldl_p(buf); |
2023 | a4193c8a | bellard | io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val);
|
2024 | 13eb76e0 | bellard | l = 4;
|
2025 | 13eb76e0 | bellard | } else if (l >= 2 && ((addr & 1) == 0)) { |
2026 | 1c213d19 | bellard | /* 16 bit write access */
|
2027 | c27004ec | bellard | val = lduw_p(buf); |
2028 | a4193c8a | bellard | io_mem_write[io_index][1](io_mem_opaque[io_index], addr, val);
|
2029 | 13eb76e0 | bellard | l = 2;
|
2030 | 13eb76e0 | bellard | } else {
|
2031 | 1c213d19 | bellard | /* 8 bit write access */
|
2032 | c27004ec | bellard | val = ldub_p(buf); |
2033 | a4193c8a | bellard | io_mem_write[io_index][0](io_mem_opaque[io_index], addr, val);
|
2034 | 13eb76e0 | bellard | l = 1;
|
2035 | 13eb76e0 | bellard | } |
2036 | 13eb76e0 | bellard | } else {
|
2037 | b448f2f3 | bellard | unsigned long addr1; |
2038 | b448f2f3 | bellard | addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); |
2039 | 13eb76e0 | bellard | /* RAM case */
|
2040 | b448f2f3 | bellard | ptr = phys_ram_base + addr1; |
2041 | 13eb76e0 | bellard | memcpy(ptr, buf, l); |
2042 | 3a7d929e | bellard | if (!cpu_physical_memory_is_dirty(addr1)) {
|
2043 | 3a7d929e | bellard | /* invalidate code */
|
2044 | 3a7d929e | bellard | tb_invalidate_phys_page_range(addr1, addr1 + l, 0);
|
2045 | 3a7d929e | bellard | /* set dirty bit */
|
2046 | f23db169 | bellard | phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |= |
2047 | f23db169 | bellard | (0xff & ~CODE_DIRTY_FLAG);
|
2048 | 3a7d929e | bellard | } |
2049 | 13eb76e0 | bellard | } |
2050 | 13eb76e0 | bellard | } else {
|
2051 | 3a7d929e | bellard | if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM) {
|
2052 | 13eb76e0 | bellard | /* I/O case */
|
2053 | 13eb76e0 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
2054 | 13eb76e0 | bellard | if (l >= 4 && ((addr & 3) == 0)) { |
2055 | 13eb76e0 | bellard | /* 32 bit read access */
|
2056 | a4193c8a | bellard | val = io_mem_read[io_index][2](io_mem_opaque[io_index], addr);
|
2057 | c27004ec | bellard | stl_p(buf, val); |
2058 | 13eb76e0 | bellard | l = 4;
|
2059 | 13eb76e0 | bellard | } else if (l >= 2 && ((addr & 1) == 0)) { |
2060 | 13eb76e0 | bellard | /* 16 bit read access */
|
2061 | a4193c8a | bellard | val = io_mem_read[io_index][1](io_mem_opaque[io_index], addr);
|
2062 | c27004ec | bellard | stw_p(buf, val); |
2063 | 13eb76e0 | bellard | l = 2;
|
2064 | 13eb76e0 | bellard | } else {
|
2065 | 1c213d19 | bellard | /* 8 bit read access */
|
2066 | a4193c8a | bellard | val = io_mem_read[io_index][0](io_mem_opaque[io_index], addr);
|
2067 | c27004ec | bellard | stb_p(buf, val); |
2068 | 13eb76e0 | bellard | l = 1;
|
2069 | 13eb76e0 | bellard | } |
2070 | 13eb76e0 | bellard | } else {
|
2071 | 13eb76e0 | bellard | /* RAM case */
|
2072 | 13eb76e0 | bellard | ptr = phys_ram_base + (pd & TARGET_PAGE_MASK) + |
2073 | 13eb76e0 | bellard | (addr & ~TARGET_PAGE_MASK); |
2074 | 13eb76e0 | bellard | memcpy(buf, ptr, l); |
2075 | 13eb76e0 | bellard | } |
2076 | 13eb76e0 | bellard | } |
2077 | 13eb76e0 | bellard | len -= l; |
2078 | 13eb76e0 | bellard | buf += l; |
2079 | 13eb76e0 | bellard | addr += l; |
2080 | 13eb76e0 | bellard | } |
2081 | 13eb76e0 | bellard | } |
2082 | 8df1cd07 | bellard | |
2083 | d0ecd2aa | bellard | /* used for ROM loading : can write in RAM and ROM */
|
2084 | d0ecd2aa | bellard | void cpu_physical_memory_write_rom(target_phys_addr_t addr,
|
2085 | d0ecd2aa | bellard | const uint8_t *buf, int len) |
2086 | d0ecd2aa | bellard | { |
2087 | d0ecd2aa | bellard | int l;
|
2088 | d0ecd2aa | bellard | uint8_t *ptr; |
2089 | d0ecd2aa | bellard | target_phys_addr_t page; |
2090 | d0ecd2aa | bellard | unsigned long pd; |
2091 | d0ecd2aa | bellard | PhysPageDesc *p; |
2092 | d0ecd2aa | bellard | |
2093 | d0ecd2aa | bellard | while (len > 0) { |
2094 | d0ecd2aa | bellard | page = addr & TARGET_PAGE_MASK; |
2095 | d0ecd2aa | bellard | l = (page + TARGET_PAGE_SIZE) - addr; |
2096 | d0ecd2aa | bellard | if (l > len)
|
2097 | d0ecd2aa | bellard | l = len; |
2098 | d0ecd2aa | bellard | p = phys_page_find(page >> TARGET_PAGE_BITS); |
2099 | d0ecd2aa | bellard | if (!p) {
|
2100 | d0ecd2aa | bellard | pd = IO_MEM_UNASSIGNED; |
2101 | d0ecd2aa | bellard | } else {
|
2102 | d0ecd2aa | bellard | pd = p->phys_offset; |
2103 | d0ecd2aa | bellard | } |
2104 | d0ecd2aa | bellard | |
2105 | d0ecd2aa | bellard | if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM &&
|
2106 | d0ecd2aa | bellard | (pd & ~TARGET_PAGE_MASK) != IO_MEM_ROM) { |
2107 | d0ecd2aa | bellard | /* do nothing */
|
2108 | d0ecd2aa | bellard | } else {
|
2109 | d0ecd2aa | bellard | unsigned long addr1; |
2110 | d0ecd2aa | bellard | addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); |
2111 | d0ecd2aa | bellard | /* ROM/RAM case */
|
2112 | d0ecd2aa | bellard | ptr = phys_ram_base + addr1; |
2113 | d0ecd2aa | bellard | memcpy(ptr, buf, l); |
2114 | d0ecd2aa | bellard | } |
2115 | d0ecd2aa | bellard | len -= l; |
2116 | d0ecd2aa | bellard | buf += l; |
2117 | d0ecd2aa | bellard | addr += l; |
2118 | d0ecd2aa | bellard | } |
2119 | d0ecd2aa | bellard | } |
2120 | d0ecd2aa | bellard | |
2121 | d0ecd2aa | bellard | |
2122 | 8df1cd07 | bellard | /* warning: addr must be aligned */
|
2123 | 8df1cd07 | bellard | uint32_t ldl_phys(target_phys_addr_t addr) |
2124 | 8df1cd07 | bellard | { |
2125 | 8df1cd07 | bellard | int io_index;
|
2126 | 8df1cd07 | bellard | uint8_t *ptr; |
2127 | 8df1cd07 | bellard | uint32_t val; |
2128 | 8df1cd07 | bellard | unsigned long pd; |
2129 | 8df1cd07 | bellard | PhysPageDesc *p; |
2130 | 8df1cd07 | bellard | |
2131 | 8df1cd07 | bellard | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
2132 | 8df1cd07 | bellard | if (!p) {
|
2133 | 8df1cd07 | bellard | pd = IO_MEM_UNASSIGNED; |
2134 | 8df1cd07 | bellard | } else {
|
2135 | 8df1cd07 | bellard | pd = p->phys_offset; |
2136 | 8df1cd07 | bellard | } |
2137 | 8df1cd07 | bellard | |
2138 | 3a7d929e | bellard | if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM) {
|
2139 | 8df1cd07 | bellard | /* I/O case */
|
2140 | 8df1cd07 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
2141 | 8df1cd07 | bellard | val = io_mem_read[io_index][2](io_mem_opaque[io_index], addr);
|
2142 | 8df1cd07 | bellard | } else {
|
2143 | 8df1cd07 | bellard | /* RAM case */
|
2144 | 8df1cd07 | bellard | ptr = phys_ram_base + (pd & TARGET_PAGE_MASK) + |
2145 | 8df1cd07 | bellard | (addr & ~TARGET_PAGE_MASK); |
2146 | 8df1cd07 | bellard | val = ldl_p(ptr); |
2147 | 8df1cd07 | bellard | } |
2148 | 8df1cd07 | bellard | return val;
|
2149 | 8df1cd07 | bellard | } |
2150 | 8df1cd07 | bellard | |
2151 | 84b7b8e7 | bellard | /* warning: addr must be aligned */
|
2152 | 84b7b8e7 | bellard | uint64_t ldq_phys(target_phys_addr_t addr) |
2153 | 84b7b8e7 | bellard | { |
2154 | 84b7b8e7 | bellard | int io_index;
|
2155 | 84b7b8e7 | bellard | uint8_t *ptr; |
2156 | 84b7b8e7 | bellard | uint64_t val; |
2157 | 84b7b8e7 | bellard | unsigned long pd; |
2158 | 84b7b8e7 | bellard | PhysPageDesc *p; |
2159 | 84b7b8e7 | bellard | |
2160 | 84b7b8e7 | bellard | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
2161 | 84b7b8e7 | bellard | if (!p) {
|
2162 | 84b7b8e7 | bellard | pd = IO_MEM_UNASSIGNED; |
2163 | 84b7b8e7 | bellard | } else {
|
2164 | 84b7b8e7 | bellard | pd = p->phys_offset; |
2165 | 84b7b8e7 | bellard | } |
2166 | 84b7b8e7 | bellard | |
2167 | 84b7b8e7 | bellard | if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM) {
|
2168 | 84b7b8e7 | bellard | /* I/O case */
|
2169 | 84b7b8e7 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
2170 | 84b7b8e7 | bellard | #ifdef TARGET_WORDS_BIGENDIAN
|
2171 | 84b7b8e7 | bellard | val = (uint64_t)io_mem_read[io_index][2](io_mem_opaque[io_index], addr) << 32; |
2172 | 84b7b8e7 | bellard | val |= io_mem_read[io_index][2](io_mem_opaque[io_index], addr + 4); |
2173 | 84b7b8e7 | bellard | #else
|
2174 | 84b7b8e7 | bellard | val = io_mem_read[io_index][2](io_mem_opaque[io_index], addr);
|
2175 | 84b7b8e7 | bellard | val |= (uint64_t)io_mem_read[io_index][2](io_mem_opaque[io_index], addr + 4) << 32; |
2176 | 84b7b8e7 | bellard | #endif
|
2177 | 84b7b8e7 | bellard | } else {
|
2178 | 84b7b8e7 | bellard | /* RAM case */
|
2179 | 84b7b8e7 | bellard | ptr = phys_ram_base + (pd & TARGET_PAGE_MASK) + |
2180 | 84b7b8e7 | bellard | (addr & ~TARGET_PAGE_MASK); |
2181 | 84b7b8e7 | bellard | val = ldq_p(ptr); |
2182 | 84b7b8e7 | bellard | } |
2183 | 84b7b8e7 | bellard | return val;
|
2184 | 84b7b8e7 | bellard | } |
2185 | 84b7b8e7 | bellard | |
2186 | aab33094 | bellard | /* XXX: optimize */
|
2187 | aab33094 | bellard | uint32_t ldub_phys(target_phys_addr_t addr) |
2188 | aab33094 | bellard | { |
2189 | aab33094 | bellard | uint8_t val; |
2190 | aab33094 | bellard | cpu_physical_memory_read(addr, &val, 1);
|
2191 | aab33094 | bellard | return val;
|
2192 | aab33094 | bellard | } |
2193 | aab33094 | bellard | |
2194 | aab33094 | bellard | /* XXX: optimize */
|
2195 | aab33094 | bellard | uint32_t lduw_phys(target_phys_addr_t addr) |
2196 | aab33094 | bellard | { |
2197 | aab33094 | bellard | uint16_t val; |
2198 | aab33094 | bellard | cpu_physical_memory_read(addr, (uint8_t *)&val, 2);
|
2199 | aab33094 | bellard | return tswap16(val);
|
2200 | aab33094 | bellard | } |
2201 | aab33094 | bellard | |
2202 | 8df1cd07 | bellard | /* warning: addr must be aligned. The ram page is not masked as dirty
|
2203 | 8df1cd07 | bellard | and the code inside is not invalidated. It is useful if the dirty
|
2204 | 8df1cd07 | bellard | bits are used to track modified PTEs */
|
2205 | 8df1cd07 | bellard | void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val)
|
2206 | 8df1cd07 | bellard | { |
2207 | 8df1cd07 | bellard | int io_index;
|
2208 | 8df1cd07 | bellard | uint8_t *ptr; |
2209 | 8df1cd07 | bellard | unsigned long pd; |
2210 | 8df1cd07 | bellard | PhysPageDesc *p; |
2211 | 8df1cd07 | bellard | |
2212 | 8df1cd07 | bellard | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
2213 | 8df1cd07 | bellard | if (!p) {
|
2214 | 8df1cd07 | bellard | pd = IO_MEM_UNASSIGNED; |
2215 | 8df1cd07 | bellard | } else {
|
2216 | 8df1cd07 | bellard | pd = p->phys_offset; |
2217 | 8df1cd07 | bellard | } |
2218 | 8df1cd07 | bellard | |
2219 | 3a7d929e | bellard | if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
|
2220 | 8df1cd07 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
2221 | 8df1cd07 | bellard | io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val);
|
2222 | 8df1cd07 | bellard | } else {
|
2223 | 8df1cd07 | bellard | ptr = phys_ram_base + (pd & TARGET_PAGE_MASK) + |
2224 | 8df1cd07 | bellard | (addr & ~TARGET_PAGE_MASK); |
2225 | 8df1cd07 | bellard | stl_p(ptr, val); |
2226 | 8df1cd07 | bellard | } |
2227 | 8df1cd07 | bellard | } |
2228 | 8df1cd07 | bellard | |
2229 | 8df1cd07 | bellard | /* warning: addr must be aligned */
|
2230 | 8df1cd07 | bellard | void stl_phys(target_phys_addr_t addr, uint32_t val)
|
2231 | 8df1cd07 | bellard | { |
2232 | 8df1cd07 | bellard | int io_index;
|
2233 | 8df1cd07 | bellard | uint8_t *ptr; |
2234 | 8df1cd07 | bellard | unsigned long pd; |
2235 | 8df1cd07 | bellard | PhysPageDesc *p; |
2236 | 8df1cd07 | bellard | |
2237 | 8df1cd07 | bellard | p = phys_page_find(addr >> TARGET_PAGE_BITS); |
2238 | 8df1cd07 | bellard | if (!p) {
|
2239 | 8df1cd07 | bellard | pd = IO_MEM_UNASSIGNED; |
2240 | 8df1cd07 | bellard | } else {
|
2241 | 8df1cd07 | bellard | pd = p->phys_offset; |
2242 | 8df1cd07 | bellard | } |
2243 | 8df1cd07 | bellard | |
2244 | 3a7d929e | bellard | if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
|
2245 | 8df1cd07 | bellard | io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
|
2246 | 8df1cd07 | bellard | io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val);
|
2247 | 8df1cd07 | bellard | } else {
|
2248 | 8df1cd07 | bellard | unsigned long addr1; |
2249 | 8df1cd07 | bellard | addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); |
2250 | 8df1cd07 | bellard | /* RAM case */
|
2251 | 8df1cd07 | bellard | ptr = phys_ram_base + addr1; |
2252 | 8df1cd07 | bellard | stl_p(ptr, val); |
2253 | 3a7d929e | bellard | if (!cpu_physical_memory_is_dirty(addr1)) {
|
2254 | 3a7d929e | bellard | /* invalidate code */
|
2255 | 3a7d929e | bellard | tb_invalidate_phys_page_range(addr1, addr1 + 4, 0); |
2256 | 3a7d929e | bellard | /* set dirty bit */
|
2257 | f23db169 | bellard | phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |= |
2258 | f23db169 | bellard | (0xff & ~CODE_DIRTY_FLAG);
|
2259 | 3a7d929e | bellard | } |
2260 | 8df1cd07 | bellard | } |
2261 | 8df1cd07 | bellard | } |
2262 | 8df1cd07 | bellard | |
2263 | aab33094 | bellard | /* XXX: optimize */
|
2264 | aab33094 | bellard | void stb_phys(target_phys_addr_t addr, uint32_t val)
|
2265 | aab33094 | bellard | { |
2266 | aab33094 | bellard | uint8_t v = val; |
2267 | aab33094 | bellard | cpu_physical_memory_write(addr, &v, 1);
|
2268 | aab33094 | bellard | } |
2269 | aab33094 | bellard | |
2270 | aab33094 | bellard | /* XXX: optimize */
|
2271 | aab33094 | bellard | void stw_phys(target_phys_addr_t addr, uint32_t val)
|
2272 | aab33094 | bellard | { |
2273 | aab33094 | bellard | uint16_t v = tswap16(val); |
2274 | aab33094 | bellard | cpu_physical_memory_write(addr, (const uint8_t *)&v, 2); |
2275 | aab33094 | bellard | } |
2276 | aab33094 | bellard | |
2277 | aab33094 | bellard | /* XXX: optimize */
|
2278 | aab33094 | bellard | void stq_phys(target_phys_addr_t addr, uint64_t val)
|
2279 | aab33094 | bellard | { |
2280 | aab33094 | bellard | val = tswap64(val); |
2281 | aab33094 | bellard | cpu_physical_memory_write(addr, (const uint8_t *)&val, 8); |
2282 | aab33094 | bellard | } |
2283 | aab33094 | bellard | |
2284 | 13eb76e0 | bellard | #endif
|
2285 | 13eb76e0 | bellard | |
2286 | 13eb76e0 | bellard | /* virtual memory access for debug */
|
2287 | b448f2f3 | bellard | int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
|
2288 | b448f2f3 | bellard | uint8_t *buf, int len, int is_write) |
2289 | 13eb76e0 | bellard | { |
2290 | 13eb76e0 | bellard | int l;
|
2291 | 13eb76e0 | bellard | target_ulong page, phys_addr; |
2292 | 13eb76e0 | bellard | |
2293 | 13eb76e0 | bellard | while (len > 0) { |
2294 | 13eb76e0 | bellard | page = addr & TARGET_PAGE_MASK; |
2295 | 13eb76e0 | bellard | phys_addr = cpu_get_phys_page_debug(env, page); |
2296 | 13eb76e0 | bellard | /* if no physical page mapped, return an error */
|
2297 | 13eb76e0 | bellard | if (phys_addr == -1) |
2298 | 13eb76e0 | bellard | return -1; |
2299 | 13eb76e0 | bellard | l = (page + TARGET_PAGE_SIZE) - addr; |
2300 | 13eb76e0 | bellard | if (l > len)
|
2301 | 13eb76e0 | bellard | l = len; |
2302 | b448f2f3 | bellard | cpu_physical_memory_rw(phys_addr + (addr & ~TARGET_PAGE_MASK), |
2303 | b448f2f3 | bellard | buf, l, is_write); |
2304 | 13eb76e0 | bellard | len -= l; |
2305 | 13eb76e0 | bellard | buf += l; |
2306 | 13eb76e0 | bellard | addr += l; |
2307 | 13eb76e0 | bellard | } |
2308 | 13eb76e0 | bellard | return 0; |
2309 | 13eb76e0 | bellard | } |
2310 | 13eb76e0 | bellard | |
2311 | e3db7226 | bellard | void dump_exec_info(FILE *f,
|
2312 | e3db7226 | bellard | int (*cpu_fprintf)(FILE *f, const char *fmt, ...)) |
2313 | e3db7226 | bellard | { |
2314 | e3db7226 | bellard | int i, target_code_size, max_target_code_size;
|
2315 | e3db7226 | bellard | int direct_jmp_count, direct_jmp2_count, cross_page;
|
2316 | e3db7226 | bellard | TranslationBlock *tb; |
2317 | e3db7226 | bellard | |
2318 | e3db7226 | bellard | target_code_size = 0;
|
2319 | e3db7226 | bellard | max_target_code_size = 0;
|
2320 | e3db7226 | bellard | cross_page = 0;
|
2321 | e3db7226 | bellard | direct_jmp_count = 0;
|
2322 | e3db7226 | bellard | direct_jmp2_count = 0;
|
2323 | e3db7226 | bellard | for(i = 0; i < nb_tbs; i++) { |
2324 | e3db7226 | bellard | tb = &tbs[i]; |
2325 | e3db7226 | bellard | target_code_size += tb->size; |
2326 | e3db7226 | bellard | if (tb->size > max_target_code_size)
|
2327 | e3db7226 | bellard | max_target_code_size = tb->size; |
2328 | e3db7226 | bellard | if (tb->page_addr[1] != -1) |
2329 | e3db7226 | bellard | cross_page++; |
2330 | e3db7226 | bellard | if (tb->tb_next_offset[0] != 0xffff) { |
2331 | e3db7226 | bellard | direct_jmp_count++; |
2332 | e3db7226 | bellard | if (tb->tb_next_offset[1] != 0xffff) { |
2333 | e3db7226 | bellard | direct_jmp2_count++; |
2334 | e3db7226 | bellard | } |
2335 | e3db7226 | bellard | } |
2336 | e3db7226 | bellard | } |
2337 | e3db7226 | bellard | /* XXX: avoid using doubles ? */
|
2338 | e3db7226 | bellard | cpu_fprintf(f, "TB count %d\n", nb_tbs);
|
2339 | e3db7226 | bellard | cpu_fprintf(f, "TB avg target size %d max=%d bytes\n",
|
2340 | e3db7226 | bellard | nb_tbs ? target_code_size / nb_tbs : 0,
|
2341 | e3db7226 | bellard | max_target_code_size); |
2342 | e3db7226 | bellard | cpu_fprintf(f, "TB avg host size %d bytes (expansion ratio: %0.1f)\n",
|
2343 | e3db7226 | bellard | nb_tbs ? (code_gen_ptr - code_gen_buffer) / nb_tbs : 0,
|
2344 | e3db7226 | bellard | target_code_size ? (double) (code_gen_ptr - code_gen_buffer) / target_code_size : 0); |
2345 | e3db7226 | bellard | cpu_fprintf(f, "cross page TB count %d (%d%%)\n",
|
2346 | e3db7226 | bellard | cross_page, |
2347 | e3db7226 | bellard | nb_tbs ? (cross_page * 100) / nb_tbs : 0); |
2348 | e3db7226 | bellard | cpu_fprintf(f, "direct jump count %d (%d%%) (2 jumps=%d %d%%)\n",
|
2349 | e3db7226 | bellard | direct_jmp_count, |
2350 | e3db7226 | bellard | nb_tbs ? (direct_jmp_count * 100) / nb_tbs : 0, |
2351 | e3db7226 | bellard | direct_jmp2_count, |
2352 | e3db7226 | bellard | nb_tbs ? (direct_jmp2_count * 100) / nb_tbs : 0); |
2353 | e3db7226 | bellard | cpu_fprintf(f, "TB flush count %d\n", tb_flush_count);
|
2354 | e3db7226 | bellard | cpu_fprintf(f, "TB invalidate count %d\n", tb_phys_invalidate_count);
|
2355 | e3db7226 | bellard | cpu_fprintf(f, "TLB flush count %d\n", tlb_flush_count);
|
2356 | e3db7226 | bellard | } |
2357 | e3db7226 | bellard | |
2358 | 61382a50 | bellard | #if !defined(CONFIG_USER_ONLY)
|
2359 | 61382a50 | bellard | |
2360 | 61382a50 | bellard | #define MMUSUFFIX _cmmu
|
2361 | 61382a50 | bellard | #define GETPC() NULL |
2362 | 61382a50 | bellard | #define env cpu_single_env
|
2363 | b769d8fe | bellard | #define SOFTMMU_CODE_ACCESS
|
2364 | 61382a50 | bellard | |
2365 | 61382a50 | bellard | #define SHIFT 0 |
2366 | 61382a50 | bellard | #include "softmmu_template.h" |
2367 | 61382a50 | bellard | |
2368 | 61382a50 | bellard | #define SHIFT 1 |
2369 | 61382a50 | bellard | #include "softmmu_template.h" |
2370 | 61382a50 | bellard | |
2371 | 61382a50 | bellard | #define SHIFT 2 |
2372 | 61382a50 | bellard | #include "softmmu_template.h" |
2373 | 61382a50 | bellard | |
2374 | 61382a50 | bellard | #define SHIFT 3 |
2375 | 61382a50 | bellard | #include "softmmu_template.h" |
2376 | 61382a50 | bellard | |
2377 | 61382a50 | bellard | #undef env
|
2378 | 61382a50 | bellard | |
2379 | 61382a50 | bellard | #endif |