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1 | 0824d6fc | bellard | /*
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2 | 80cabfad | bellard | * QEMU System Emulator
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3 | 0824d6fc | bellard | *
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4 | 80cabfad | bellard | * Copyright (c) 2003-2004 Fabrice Bellard
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5 | 0824d6fc | bellard | *
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6 | 1df912cf | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 1df912cf | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 1df912cf | bellard | * in the Software without restriction, including without limitation the rights
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9 | 1df912cf | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 1df912cf | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 1df912cf | bellard | * furnished to do so, subject to the following conditions:
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12 | 1df912cf | bellard | *
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13 | 1df912cf | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 1df912cf | bellard | * all copies or substantial portions of the Software.
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15 | 1df912cf | bellard | *
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16 | 1df912cf | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 1df912cf | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 1df912cf | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 1df912cf | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 1df912cf | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 1df912cf | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 1df912cf | bellard | * THE SOFTWARE.
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23 | 0824d6fc | bellard | */
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24 | 67b915a5 | bellard | #include "vl.h" |
25 | 67b915a5 | bellard | |
26 | 0824d6fc | bellard | #include <getopt.h> |
27 | 0824d6fc | bellard | #include <unistd.h> |
28 | 0824d6fc | bellard | #include <fcntl.h> |
29 | 0824d6fc | bellard | #include <signal.h> |
30 | 0824d6fc | bellard | #include <time.h> |
31 | 0824d6fc | bellard | #include <errno.h> |
32 | 67b915a5 | bellard | #include <sys/time.h> |
33 | 67b915a5 | bellard | |
34 | 67b915a5 | bellard | #ifndef _WIN32
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35 | 67b915a5 | bellard | #include <sys/times.h> |
36 | f1510b2c | bellard | #include <sys/wait.h> |
37 | 67b915a5 | bellard | #include <termios.h> |
38 | 67b915a5 | bellard | #include <sys/poll.h> |
39 | 67b915a5 | bellard | #include <sys/mman.h> |
40 | f1510b2c | bellard | #include <sys/ioctl.h> |
41 | f1510b2c | bellard | #include <sys/socket.h> |
42 | 7d3505c5 | bellard | #ifdef _BSD
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43 | 7d3505c5 | bellard | #include <sys/stat.h> |
44 | 7d3505c5 | bellard | #include <libutil.h> |
45 | 7d3505c5 | bellard | #else
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46 | f1510b2c | bellard | #include <linux/if.h> |
47 | f1510b2c | bellard | #include <linux/if_tun.h> |
48 | 7d3505c5 | bellard | #include <pty.h> |
49 | 7d3505c5 | bellard | #include <malloc.h> |
50 | fd872598 | bellard | #include <linux/rtc.h> |
51 | 67b915a5 | bellard | #endif
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52 | 7d3505c5 | bellard | #endif
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53 | 67b915a5 | bellard | |
54 | c20709aa | bellard | #if defined(CONFIG_SLIRP)
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55 | c20709aa | bellard | #include "libslirp.h" |
56 | c20709aa | bellard | #endif
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57 | c20709aa | bellard | |
58 | 67b915a5 | bellard | #ifdef _WIN32
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59 | 7d3505c5 | bellard | #include <malloc.h> |
60 | 67b915a5 | bellard | #include <sys/timeb.h> |
61 | 67b915a5 | bellard | #include <windows.h> |
62 | 67b915a5 | bellard | #define getopt_long_only getopt_long
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63 | 67b915a5 | bellard | #define memalign(align, size) malloc(size)
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64 | 67b915a5 | bellard | #endif
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65 | 67b915a5 | bellard | |
66 | 73332e5c | bellard | #ifdef CONFIG_SDL
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67 | 7d3505c5 | bellard | #if defined(__linux__)
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68 | 73332e5c | bellard | /* SDL use the pthreads and they modify sigaction. We don't
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69 | 73332e5c | bellard | want that. */
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70 | 7d3505c5 | bellard | #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) |
71 | 73332e5c | bellard | extern void __libc_sigaction(); |
72 | 73332e5c | bellard | #define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact)
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73 | 73332e5c | bellard | #else
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74 | 73332e5c | bellard | extern void __sigaction(); |
75 | 73332e5c | bellard | #define sigaction(sig, act, oact) __sigaction(sig, act, oact)
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76 | 73332e5c | bellard | #endif
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77 | 7d3505c5 | bellard | #endif /* __linux__ */ |
78 | 73332e5c | bellard | #endif /* CONFIG_SDL */ |
79 | 0824d6fc | bellard | |
80 | 0824d6fc | bellard | #include "disas.h" |
81 | fc01f7e7 | bellard | |
82 | 8a7ddc38 | bellard | #include "exec-all.h" |
83 | 0824d6fc | bellard | |
84 | a541f297 | bellard | //#define DO_TB_FLUSH
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85 | a541f297 | bellard | |
86 | 5a67135a | bellard | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
87 | f1510b2c | bellard | |
88 | 0824d6fc | bellard | //#define DEBUG_UNUSED_IOPORT
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89 | fd872598 | bellard | //#define DEBUG_IOPORT
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90 | 330d0414 | bellard | |
91 | bb551faa | bellard | #if !defined(CONFIG_SOFTMMU)
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92 | 7916e224 | bellard | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
93 | bb551faa | bellard | #else
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94 | bb551faa | bellard | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) |
95 | bb551faa | bellard | #endif
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96 | 7916e224 | bellard | |
97 | 8a7ddc38 | bellard | /* in ms */
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98 | 8a7ddc38 | bellard | #define GUI_REFRESH_INTERVAL 30 |
99 | 313aa567 | bellard | |
100 | 7dea1da4 | bellard | /* XXX: use a two level table to limit memory usage */
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101 | 7dea1da4 | bellard | #define MAX_IOPORTS 65536 |
102 | 0824d6fc | bellard | |
103 | 80cabfad | bellard | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
104 | 0824d6fc | bellard | char phys_ram_file[1024]; |
105 | c45886db | bellard | CPUState *global_env; |
106 | c45886db | bellard | CPUState *cpu_single_env; |
107 | c4b1fcc0 | bellard | void *ioport_opaque[MAX_IOPORTS];
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108 | fc01f7e7 | bellard | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
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109 | fc01f7e7 | bellard | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
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110 | c45886db | bellard | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
111 | 313aa567 | bellard | int vga_ram_size;
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112 | 313aa567 | bellard | static DisplayState display_state;
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113 | a20dd508 | bellard | int nographic;
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114 | 313aa567 | bellard | int64_t ticks_per_sec; |
115 | 36b486bb | bellard | int boot_device = 'c'; |
116 | 1ccde1cb | bellard | static int ram_size; |
117 | 80cabfad | bellard | static char network_script[1024]; |
118 | 80cabfad | bellard | int pit_min_timer_count = 0; |
119 | c4b1fcc0 | bellard | int nb_nics;
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120 | c4b1fcc0 | bellard | NetDriverState nd_table[MAX_NICS]; |
121 | c4b1fcc0 | bellard | SerialState *serial_console; |
122 | 8a7ddc38 | bellard | QEMUTimer *gui_timer; |
123 | 8a7ddc38 | bellard | int vm_running;
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124 | aaaa7df6 | bellard | int audio_enabled = 0; |
125 | 0824d6fc | bellard | |
126 | 0824d6fc | bellard | /***********************************************************/
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127 | 26aa7d72 | bellard | /* x86 ISA bus support */
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128 | 26aa7d72 | bellard | |
129 | 26aa7d72 | bellard | target_phys_addr_t isa_mem_base = 0;
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130 | 0824d6fc | bellard | |
131 | c4b1fcc0 | bellard | uint32_t default_ioport_readb(void *opaque, uint32_t address)
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132 | 0824d6fc | bellard | { |
133 | 0824d6fc | bellard | #ifdef DEBUG_UNUSED_IOPORT
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134 | 0824d6fc | bellard | fprintf(stderr, "inb: port=0x%04x\n", address);
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135 | 0824d6fc | bellard | #endif
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136 | fc01f7e7 | bellard | return 0xff; |
137 | 0824d6fc | bellard | } |
138 | 0824d6fc | bellard | |
139 | c4b1fcc0 | bellard | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
140 | 0824d6fc | bellard | { |
141 | 0824d6fc | bellard | #ifdef DEBUG_UNUSED_IOPORT
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142 | 0824d6fc | bellard | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
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143 | 0824d6fc | bellard | #endif
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144 | 0824d6fc | bellard | } |
145 | 0824d6fc | bellard | |
146 | 0824d6fc | bellard | /* default is to make two byte accesses */
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147 | c4b1fcc0 | bellard | uint32_t default_ioport_readw(void *opaque, uint32_t address)
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148 | 0824d6fc | bellard | { |
149 | 0824d6fc | bellard | uint32_t data; |
150 | c4b1fcc0 | bellard | data = ioport_read_table[0][address & (MAX_IOPORTS - 1)](opaque, address); |
151 | c4b1fcc0 | bellard | data |= ioport_read_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1) << 8; |
152 | 0824d6fc | bellard | return data;
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153 | 0824d6fc | bellard | } |
154 | 0824d6fc | bellard | |
155 | c4b1fcc0 | bellard | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
156 | 0824d6fc | bellard | { |
157 | c4b1fcc0 | bellard | ioport_write_table[0][address & (MAX_IOPORTS - 1)](opaque, address, data & 0xff); |
158 | c4b1fcc0 | bellard | ioport_write_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1, (data >> 8) & 0xff); |
159 | 0824d6fc | bellard | } |
160 | 0824d6fc | bellard | |
161 | c4b1fcc0 | bellard | uint32_t default_ioport_readl(void *opaque, uint32_t address)
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162 | 0824d6fc | bellard | { |
163 | fc01f7e7 | bellard | #ifdef DEBUG_UNUSED_IOPORT
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164 | fc01f7e7 | bellard | fprintf(stderr, "inl: port=0x%04x\n", address);
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165 | fc01f7e7 | bellard | #endif
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166 | fc01f7e7 | bellard | return 0xffffffff; |
167 | 0824d6fc | bellard | } |
168 | 0824d6fc | bellard | |
169 | c4b1fcc0 | bellard | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
170 | 0824d6fc | bellard | { |
171 | fc01f7e7 | bellard | #ifdef DEBUG_UNUSED_IOPORT
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172 | fc01f7e7 | bellard | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
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173 | fc01f7e7 | bellard | #endif
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174 | 0824d6fc | bellard | } |
175 | 0824d6fc | bellard | |
176 | fc01f7e7 | bellard | void init_ioports(void) |
177 | 0824d6fc | bellard | { |
178 | 0824d6fc | bellard | int i;
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179 | 0824d6fc | bellard | |
180 | fc01f7e7 | bellard | for(i = 0; i < MAX_IOPORTS; i++) { |
181 | fc01f7e7 | bellard | ioport_read_table[0][i] = default_ioport_readb;
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182 | fc01f7e7 | bellard | ioport_write_table[0][i] = default_ioport_writeb;
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183 | fc01f7e7 | bellard | ioport_read_table[1][i] = default_ioport_readw;
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184 | fc01f7e7 | bellard | ioport_write_table[1][i] = default_ioport_writew;
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185 | fc01f7e7 | bellard | ioport_read_table[2][i] = default_ioport_readl;
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186 | fc01f7e7 | bellard | ioport_write_table[2][i] = default_ioport_writel;
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187 | fc01f7e7 | bellard | } |
188 | 0824d6fc | bellard | } |
189 | 0824d6fc | bellard | |
190 | fc01f7e7 | bellard | /* size is the word size in byte */
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191 | c4b1fcc0 | bellard | int register_ioport_read(int start, int length, int size, |
192 | c4b1fcc0 | bellard | IOPortReadFunc *func, void *opaque)
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193 | f1510b2c | bellard | { |
194 | fc01f7e7 | bellard | int i, bsize;
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195 | f1510b2c | bellard | |
196 | c4b1fcc0 | bellard | if (size == 1) { |
197 | fc01f7e7 | bellard | bsize = 0;
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198 | c4b1fcc0 | bellard | } else if (size == 2) { |
199 | fc01f7e7 | bellard | bsize = 1;
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200 | c4b1fcc0 | bellard | } else if (size == 4) { |
201 | fc01f7e7 | bellard | bsize = 2;
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202 | c4b1fcc0 | bellard | } else {
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203 | c4b1fcc0 | bellard | hw_error("register_ioport_read: invalid size");
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204 | fc01f7e7 | bellard | return -1; |
205 | c4b1fcc0 | bellard | } |
206 | c4b1fcc0 | bellard | for(i = start; i < start + length; i += size) {
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207 | fc01f7e7 | bellard | ioport_read_table[bsize][i] = func; |
208 | c4b1fcc0 | bellard | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
209 | c4b1fcc0 | bellard | hw_error("register_ioport_read: invalid opaque");
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210 | c4b1fcc0 | bellard | ioport_opaque[i] = opaque; |
211 | c4b1fcc0 | bellard | } |
212 | f1510b2c | bellard | return 0; |
213 | f1510b2c | bellard | } |
214 | f1510b2c | bellard | |
215 | fc01f7e7 | bellard | /* size is the word size in byte */
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216 | c4b1fcc0 | bellard | int register_ioport_write(int start, int length, int size, |
217 | c4b1fcc0 | bellard | IOPortWriteFunc *func, void *opaque)
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218 | f1510b2c | bellard | { |
219 | fc01f7e7 | bellard | int i, bsize;
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220 | f1510b2c | bellard | |
221 | c4b1fcc0 | bellard | if (size == 1) { |
222 | fc01f7e7 | bellard | bsize = 0;
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223 | c4b1fcc0 | bellard | } else if (size == 2) { |
224 | fc01f7e7 | bellard | bsize = 1;
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225 | c4b1fcc0 | bellard | } else if (size == 4) { |
226 | fc01f7e7 | bellard | bsize = 2;
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227 | c4b1fcc0 | bellard | } else {
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228 | c4b1fcc0 | bellard | hw_error("register_ioport_write: invalid size");
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229 | fc01f7e7 | bellard | return -1; |
230 | c4b1fcc0 | bellard | } |
231 | c4b1fcc0 | bellard | for(i = start; i < start + length; i += size) {
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232 | fc01f7e7 | bellard | ioport_write_table[bsize][i] = func; |
233 | c4b1fcc0 | bellard | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
234 | c4b1fcc0 | bellard | hw_error("register_ioport_read: invalid opaque");
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235 | c4b1fcc0 | bellard | ioport_opaque[i] = opaque; |
236 | c4b1fcc0 | bellard | } |
237 | f1510b2c | bellard | return 0; |
238 | f1510b2c | bellard | } |
239 | f1510b2c | bellard | |
240 | 0824d6fc | bellard | void pstrcpy(char *buf, int buf_size, const char *str) |
241 | 0824d6fc | bellard | { |
242 | 0824d6fc | bellard | int c;
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243 | 0824d6fc | bellard | char *q = buf;
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244 | 0824d6fc | bellard | |
245 | 0824d6fc | bellard | if (buf_size <= 0) |
246 | 0824d6fc | bellard | return;
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247 | 0824d6fc | bellard | |
248 | 0824d6fc | bellard | for(;;) {
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249 | 0824d6fc | bellard | c = *str++; |
250 | 0824d6fc | bellard | if (c == 0 || q >= buf + buf_size - 1) |
251 | 0824d6fc | bellard | break;
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252 | 0824d6fc | bellard | *q++ = c; |
253 | 0824d6fc | bellard | } |
254 | 0824d6fc | bellard | *q = '\0';
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255 | 0824d6fc | bellard | } |
256 | 0824d6fc | bellard | |
257 | 0824d6fc | bellard | /* strcat and truncate. */
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258 | 0824d6fc | bellard | char *pstrcat(char *buf, int buf_size, const char *s) |
259 | 0824d6fc | bellard | { |
260 | 0824d6fc | bellard | int len;
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261 | 0824d6fc | bellard | len = strlen(buf); |
262 | 0824d6fc | bellard | if (len < buf_size)
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263 | 0824d6fc | bellard | pstrcpy(buf + len, buf_size - len, s); |
264 | 0824d6fc | bellard | return buf;
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265 | 0824d6fc | bellard | } |
266 | 0824d6fc | bellard | |
267 | 0824d6fc | bellard | /* return the size or -1 if error */
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268 | 0824d6fc | bellard | int load_image(const char *filename, uint8_t *addr) |
269 | 0824d6fc | bellard | { |
270 | 0824d6fc | bellard | int fd, size;
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271 | 40c3bac3 | bellard | fd = open(filename, O_RDONLY | O_BINARY); |
272 | 0824d6fc | bellard | if (fd < 0) |
273 | 0824d6fc | bellard | return -1; |
274 | 0824d6fc | bellard | size = lseek(fd, 0, SEEK_END);
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275 | 0824d6fc | bellard | lseek(fd, 0, SEEK_SET);
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276 | 0824d6fc | bellard | if (read(fd, addr, size) != size) {
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277 | 0824d6fc | bellard | close(fd); |
278 | 0824d6fc | bellard | return -1; |
279 | 0824d6fc | bellard | } |
280 | 0824d6fc | bellard | close(fd); |
281 | 0824d6fc | bellard | return size;
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282 | 0824d6fc | bellard | } |
283 | 0824d6fc | bellard | |
284 | c45886db | bellard | void cpu_outb(CPUState *env, int addr, int val) |
285 | 0824d6fc | bellard | { |
286 | c4b1fcc0 | bellard | addr &= (MAX_IOPORTS - 1);
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287 | fd872598 | bellard | #ifdef DEBUG_IOPORT
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288 | fd872598 | bellard | if (loglevel & CPU_LOG_IOPORT)
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289 | fd872598 | bellard | fprintf(logfile, "outb: %04x %02x\n", addr, val);
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290 | fd872598 | bellard | #endif
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291 | c4b1fcc0 | bellard | ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
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292 | 0824d6fc | bellard | } |
293 | 0824d6fc | bellard | |
294 | c45886db | bellard | void cpu_outw(CPUState *env, int addr, int val) |
295 | 0824d6fc | bellard | { |
296 | c4b1fcc0 | bellard | addr &= (MAX_IOPORTS - 1);
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297 | fd872598 | bellard | #ifdef DEBUG_IOPORT
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298 | fd872598 | bellard | if (loglevel & CPU_LOG_IOPORT)
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299 | fd872598 | bellard | fprintf(logfile, "outw: %04x %04x\n", addr, val);
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300 | fd872598 | bellard | #endif
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301 | c4b1fcc0 | bellard | ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
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302 | 0824d6fc | bellard | } |
303 | 0824d6fc | bellard | |
304 | c45886db | bellard | void cpu_outl(CPUState *env, int addr, int val) |
305 | 0824d6fc | bellard | { |
306 | c4b1fcc0 | bellard | addr &= (MAX_IOPORTS - 1);
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307 | fd872598 | bellard | #ifdef DEBUG_IOPORT
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308 | fd872598 | bellard | if (loglevel & CPU_LOG_IOPORT)
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309 | fd872598 | bellard | fprintf(logfile, "outl: %04x %08x\n", addr, val);
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310 | fd872598 | bellard | #endif
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311 | c4b1fcc0 | bellard | ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
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312 | 0824d6fc | bellard | } |
313 | 0824d6fc | bellard | |
314 | c45886db | bellard | int cpu_inb(CPUState *env, int addr) |
315 | 0824d6fc | bellard | { |
316 | fd872598 | bellard | int val;
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317 | c4b1fcc0 | bellard | addr &= (MAX_IOPORTS - 1);
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318 | fd872598 | bellard | val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
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319 | fd872598 | bellard | #ifdef DEBUG_IOPORT
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320 | fd872598 | bellard | if (loglevel & CPU_LOG_IOPORT)
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321 | fd872598 | bellard | fprintf(logfile, "inb : %04x %02x\n", addr, val);
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322 | fd872598 | bellard | #endif
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323 | fd872598 | bellard | return val;
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324 | 0824d6fc | bellard | } |
325 | 0824d6fc | bellard | |
326 | c45886db | bellard | int cpu_inw(CPUState *env, int addr) |
327 | 0824d6fc | bellard | { |
328 | fd872598 | bellard | int val;
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329 | c4b1fcc0 | bellard | addr &= (MAX_IOPORTS - 1);
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330 | fd872598 | bellard | val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
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331 | fd872598 | bellard | #ifdef DEBUG_IOPORT
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332 | fd872598 | bellard | if (loglevel & CPU_LOG_IOPORT)
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333 | fd872598 | bellard | fprintf(logfile, "inw : %04x %04x\n", addr, val);
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334 | fd872598 | bellard | #endif
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335 | fd872598 | bellard | return val;
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336 | 0824d6fc | bellard | } |
337 | 0824d6fc | bellard | |
338 | c45886db | bellard | int cpu_inl(CPUState *env, int addr) |
339 | 0824d6fc | bellard | { |
340 | fd872598 | bellard | int val;
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341 | c4b1fcc0 | bellard | addr &= (MAX_IOPORTS - 1);
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342 | fd872598 | bellard | val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
|
343 | fd872598 | bellard | #ifdef DEBUG_IOPORT
|
344 | fd872598 | bellard | if (loglevel & CPU_LOG_IOPORT)
|
345 | fd872598 | bellard | fprintf(logfile, "inl : %04x %08x\n", addr, val);
|
346 | fd872598 | bellard | #endif
|
347 | fd872598 | bellard | return val;
|
348 | 0824d6fc | bellard | } |
349 | 0824d6fc | bellard | |
350 | 0824d6fc | bellard | /***********************************************************/
|
351 | 0824d6fc | bellard | void hw_error(const char *fmt, ...) |
352 | 0824d6fc | bellard | { |
353 | 0824d6fc | bellard | va_list ap; |
354 | 0824d6fc | bellard | |
355 | 0824d6fc | bellard | va_start(ap, fmt); |
356 | 0824d6fc | bellard | fprintf(stderr, "qemu: hardware error: ");
|
357 | 0824d6fc | bellard | vfprintf(stderr, fmt, ap); |
358 | 0824d6fc | bellard | fprintf(stderr, "\n");
|
359 | 0824d6fc | bellard | #ifdef TARGET_I386
|
360 | 0824d6fc | bellard | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); |
361 | c45886db | bellard | #else
|
362 | c45886db | bellard | cpu_dump_state(global_env, stderr, 0);
|
363 | 0824d6fc | bellard | #endif
|
364 | 0824d6fc | bellard | va_end(ap); |
365 | 0824d6fc | bellard | abort(); |
366 | 0824d6fc | bellard | } |
367 | 0824d6fc | bellard | |
368 | 8a7ddc38 | bellard | /***********************************************************/
|
369 | 8a7ddc38 | bellard | /* timers */
|
370 | 8a7ddc38 | bellard | |
371 | 34865134 | bellard | #if defined(__powerpc__)
|
372 | 34865134 | bellard | |
373 | 34865134 | bellard | static inline uint32_t get_tbl(void) |
374 | 0824d6fc | bellard | { |
375 | 34865134 | bellard | uint32_t tbl; |
376 | 34865134 | bellard | asm volatile("mftb %0" : "=r" (tbl)); |
377 | 34865134 | bellard | return tbl;
|
378 | 0824d6fc | bellard | } |
379 | 0824d6fc | bellard | |
380 | 34865134 | bellard | static inline uint32_t get_tbu(void) |
381 | 34865134 | bellard | { |
382 | 34865134 | bellard | uint32_t tbl; |
383 | 34865134 | bellard | asm volatile("mftbu %0" : "=r" (tbl)); |
384 | 34865134 | bellard | return tbl;
|
385 | 34865134 | bellard | } |
386 | 34865134 | bellard | |
387 | 34865134 | bellard | int64_t cpu_get_real_ticks(void)
|
388 | 34865134 | bellard | { |
389 | 34865134 | bellard | uint32_t l, h, h1; |
390 | 34865134 | bellard | /* NOTE: we test if wrapping has occurred */
|
391 | 34865134 | bellard | do {
|
392 | 34865134 | bellard | h = get_tbu(); |
393 | 34865134 | bellard | l = get_tbl(); |
394 | 34865134 | bellard | h1 = get_tbu(); |
395 | 34865134 | bellard | } while (h != h1);
|
396 | 34865134 | bellard | return ((int64_t)h << 32) | l; |
397 | 34865134 | bellard | } |
398 | 34865134 | bellard | |
399 | 34865134 | bellard | #elif defined(__i386__)
|
400 | 34865134 | bellard | |
401 | 34865134 | bellard | int64_t cpu_get_real_ticks(void)
|
402 | 0824d6fc | bellard | { |
403 | 0824d6fc | bellard | int64_t val; |
404 | e463b581 | bellard | asm volatile ("rdtsc" : "=A" (val)); |
405 | 0824d6fc | bellard | return val;
|
406 | 0824d6fc | bellard | } |
407 | 0824d6fc | bellard | |
408 | 1115dde7 | bellard | #elif defined(__x86_64__)
|
409 | 1115dde7 | bellard | |
410 | 1115dde7 | bellard | int64_t cpu_get_real_ticks(void)
|
411 | 1115dde7 | bellard | { |
412 | 1115dde7 | bellard | uint32_t low,high; |
413 | 1115dde7 | bellard | int64_t val; |
414 | 1115dde7 | bellard | asm volatile("rdtsc" : "=a" (low), "=d" (high)); |
415 | 1115dde7 | bellard | val = high; |
416 | 1115dde7 | bellard | val <<= 32;
|
417 | 1115dde7 | bellard | val |= low; |
418 | 1115dde7 | bellard | return val;
|
419 | 1115dde7 | bellard | } |
420 | 1115dde7 | bellard | |
421 | 34865134 | bellard | #else
|
422 | 34865134 | bellard | #error unsupported CPU
|
423 | 34865134 | bellard | #endif
|
424 | 34865134 | bellard | |
425 | 34865134 | bellard | static int64_t cpu_ticks_offset;
|
426 | 8a7ddc38 | bellard | static int cpu_ticks_enabled; |
427 | 34865134 | bellard | |
428 | 8a7ddc38 | bellard | static inline int64_t cpu_get_ticks(void) |
429 | 34865134 | bellard | { |
430 | 8a7ddc38 | bellard | if (!cpu_ticks_enabled) {
|
431 | 8a7ddc38 | bellard | return cpu_ticks_offset;
|
432 | 8a7ddc38 | bellard | } else {
|
433 | 8a7ddc38 | bellard | return cpu_get_real_ticks() + cpu_ticks_offset;
|
434 | 8a7ddc38 | bellard | } |
435 | 34865134 | bellard | } |
436 | 34865134 | bellard | |
437 | 34865134 | bellard | /* enable cpu_get_ticks() */
|
438 | 34865134 | bellard | void cpu_enable_ticks(void) |
439 | 34865134 | bellard | { |
440 | 8a7ddc38 | bellard | if (!cpu_ticks_enabled) {
|
441 | 8a7ddc38 | bellard | cpu_ticks_offset -= cpu_get_real_ticks(); |
442 | 8a7ddc38 | bellard | cpu_ticks_enabled = 1;
|
443 | 8a7ddc38 | bellard | } |
444 | 34865134 | bellard | } |
445 | 34865134 | bellard | |
446 | 34865134 | bellard | /* disable cpu_get_ticks() : the clock is stopped. You must not call
|
447 | 34865134 | bellard | cpu_get_ticks() after that. */
|
448 | 34865134 | bellard | void cpu_disable_ticks(void) |
449 | 34865134 | bellard | { |
450 | 8a7ddc38 | bellard | if (cpu_ticks_enabled) {
|
451 | 8a7ddc38 | bellard | cpu_ticks_offset = cpu_get_ticks(); |
452 | 8a7ddc38 | bellard | cpu_ticks_enabled = 0;
|
453 | 8a7ddc38 | bellard | } |
454 | 34865134 | bellard | } |
455 | 34865134 | bellard | |
456 | 67b915a5 | bellard | static int64_t get_clock(void) |
457 | 34865134 | bellard | { |
458 | 67b915a5 | bellard | #ifdef _WIN32
|
459 | 67b915a5 | bellard | struct _timeb tb;
|
460 | 67b915a5 | bellard | _ftime(&tb); |
461 | 67b915a5 | bellard | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; |
462 | 67b915a5 | bellard | #else
|
463 | 34865134 | bellard | struct timeval tv;
|
464 | 34865134 | bellard | gettimeofday(&tv, NULL);
|
465 | 34865134 | bellard | return tv.tv_sec * 1000000LL + tv.tv_usec; |
466 | 67b915a5 | bellard | #endif
|
467 | 34865134 | bellard | } |
468 | 34865134 | bellard | |
469 | 0824d6fc | bellard | void cpu_calibrate_ticks(void) |
470 | 0824d6fc | bellard | { |
471 | 0824d6fc | bellard | int64_t usec, ticks; |
472 | 0824d6fc | bellard | |
473 | 0824d6fc | bellard | usec = get_clock(); |
474 | 8a7ddc38 | bellard | ticks = cpu_get_real_ticks(); |
475 | 67b915a5 | bellard | #ifdef _WIN32
|
476 | 67b915a5 | bellard | Sleep(50);
|
477 | 67b915a5 | bellard | #else
|
478 | 0824d6fc | bellard | usleep(50 * 1000); |
479 | 67b915a5 | bellard | #endif
|
480 | 0824d6fc | bellard | usec = get_clock() - usec; |
481 | 8a7ddc38 | bellard | ticks = cpu_get_real_ticks() - ticks; |
482 | 0824d6fc | bellard | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
483 | 0824d6fc | bellard | } |
484 | 0824d6fc | bellard | |
485 | 87858c89 | bellard | /* compute with 96 bit intermediate result: (a*b)/c */
|
486 | 80cabfad | bellard | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
487 | 87858c89 | bellard | { |
488 | 87858c89 | bellard | union {
|
489 | 87858c89 | bellard | uint64_t ll; |
490 | 87858c89 | bellard | struct {
|
491 | 87858c89 | bellard | #ifdef WORDS_BIGENDIAN
|
492 | 87858c89 | bellard | uint32_t high, low; |
493 | 87858c89 | bellard | #else
|
494 | 87858c89 | bellard | uint32_t low, high; |
495 | 87858c89 | bellard | #endif
|
496 | 87858c89 | bellard | } l; |
497 | 87858c89 | bellard | } u, res; |
498 | 87858c89 | bellard | uint64_t rl, rh; |
499 | 87858c89 | bellard | |
500 | 87858c89 | bellard | u.ll = a; |
501 | 87858c89 | bellard | rl = (uint64_t)u.l.low * (uint64_t)b; |
502 | 87858c89 | bellard | rh = (uint64_t)u.l.high * (uint64_t)b; |
503 | 87858c89 | bellard | rh += (rl >> 32);
|
504 | 87858c89 | bellard | res.l.high = rh / c; |
505 | 87858c89 | bellard | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
506 | 87858c89 | bellard | return res.ll;
|
507 | 87858c89 | bellard | } |
508 | 87858c89 | bellard | |
509 | 8a7ddc38 | bellard | #define QEMU_TIMER_REALTIME 0 |
510 | 8a7ddc38 | bellard | #define QEMU_TIMER_VIRTUAL 1 |
511 | 8a7ddc38 | bellard | |
512 | 8a7ddc38 | bellard | struct QEMUClock {
|
513 | 8a7ddc38 | bellard | int type;
|
514 | 8a7ddc38 | bellard | /* XXX: add frequency */
|
515 | 8a7ddc38 | bellard | }; |
516 | 8a7ddc38 | bellard | |
517 | 8a7ddc38 | bellard | struct QEMUTimer {
|
518 | 8a7ddc38 | bellard | QEMUClock *clock; |
519 | 8a7ddc38 | bellard | int64_t expire_time; |
520 | 8a7ddc38 | bellard | QEMUTimerCB *cb; |
521 | 8a7ddc38 | bellard | void *opaque;
|
522 | 8a7ddc38 | bellard | struct QEMUTimer *next;
|
523 | 8a7ddc38 | bellard | }; |
524 | 8a7ddc38 | bellard | |
525 | 8a7ddc38 | bellard | QEMUClock *rt_clock; |
526 | 8a7ddc38 | bellard | QEMUClock *vm_clock; |
527 | 8a7ddc38 | bellard | |
528 | 8a7ddc38 | bellard | static QEMUTimer *active_timers[2]; |
529 | 40c3bac3 | bellard | #ifdef _WIN32
|
530 | 40c3bac3 | bellard | static MMRESULT timerID;
|
531 | 40c3bac3 | bellard | #else
|
532 | 8a7ddc38 | bellard | /* frequency of the times() clock tick */
|
533 | 8a7ddc38 | bellard | static int timer_freq; |
534 | 67b915a5 | bellard | #endif
|
535 | 8a7ddc38 | bellard | |
536 | 8a7ddc38 | bellard | QEMUClock *qemu_new_clock(int type)
|
537 | 8a7ddc38 | bellard | { |
538 | 8a7ddc38 | bellard | QEMUClock *clock; |
539 | 8a7ddc38 | bellard | clock = qemu_mallocz(sizeof(QEMUClock));
|
540 | 8a7ddc38 | bellard | if (!clock)
|
541 | 8a7ddc38 | bellard | return NULL; |
542 | 8a7ddc38 | bellard | clock->type = type; |
543 | 8a7ddc38 | bellard | return clock;
|
544 | 8a7ddc38 | bellard | } |
545 | 8a7ddc38 | bellard | |
546 | 8a7ddc38 | bellard | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
547 | 8a7ddc38 | bellard | { |
548 | 8a7ddc38 | bellard | QEMUTimer *ts; |
549 | 8a7ddc38 | bellard | |
550 | 8a7ddc38 | bellard | ts = qemu_mallocz(sizeof(QEMUTimer));
|
551 | 8a7ddc38 | bellard | ts->clock = clock; |
552 | 8a7ddc38 | bellard | ts->cb = cb; |
553 | 8a7ddc38 | bellard | ts->opaque = opaque; |
554 | 8a7ddc38 | bellard | return ts;
|
555 | 8a7ddc38 | bellard | } |
556 | 8a7ddc38 | bellard | |
557 | 8a7ddc38 | bellard | void qemu_free_timer(QEMUTimer *ts)
|
558 | 8a7ddc38 | bellard | { |
559 | 8a7ddc38 | bellard | qemu_free(ts); |
560 | 8a7ddc38 | bellard | } |
561 | 8a7ddc38 | bellard | |
562 | 8a7ddc38 | bellard | /* stop a timer, but do not dealloc it */
|
563 | 8a7ddc38 | bellard | void qemu_del_timer(QEMUTimer *ts)
|
564 | 8a7ddc38 | bellard | { |
565 | 8a7ddc38 | bellard | QEMUTimer **pt, *t; |
566 | 8a7ddc38 | bellard | |
567 | 8a7ddc38 | bellard | /* NOTE: this code must be signal safe because
|
568 | 8a7ddc38 | bellard | qemu_timer_expired() can be called from a signal. */
|
569 | 8a7ddc38 | bellard | pt = &active_timers[ts->clock->type]; |
570 | 8a7ddc38 | bellard | for(;;) {
|
571 | 8a7ddc38 | bellard | t = *pt; |
572 | 8a7ddc38 | bellard | if (!t)
|
573 | 8a7ddc38 | bellard | break;
|
574 | 8a7ddc38 | bellard | if (t == ts) {
|
575 | 8a7ddc38 | bellard | *pt = t->next; |
576 | 8a7ddc38 | bellard | break;
|
577 | 8a7ddc38 | bellard | } |
578 | 8a7ddc38 | bellard | pt = &t->next; |
579 | 8a7ddc38 | bellard | } |
580 | 8a7ddc38 | bellard | } |
581 | 8a7ddc38 | bellard | |
582 | 8a7ddc38 | bellard | /* modify the current timer so that it will be fired when current_time
|
583 | 8a7ddc38 | bellard | >= expire_time. The corresponding callback will be called. */
|
584 | 8a7ddc38 | bellard | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
585 | 8a7ddc38 | bellard | { |
586 | 8a7ddc38 | bellard | QEMUTimer **pt, *t; |
587 | 8a7ddc38 | bellard | |
588 | 8a7ddc38 | bellard | qemu_del_timer(ts); |
589 | 8a7ddc38 | bellard | |
590 | 8a7ddc38 | bellard | /* add the timer in the sorted list */
|
591 | 8a7ddc38 | bellard | /* NOTE: this code must be signal safe because
|
592 | 8a7ddc38 | bellard | qemu_timer_expired() can be called from a signal. */
|
593 | 8a7ddc38 | bellard | pt = &active_timers[ts->clock->type]; |
594 | 8a7ddc38 | bellard | for(;;) {
|
595 | 8a7ddc38 | bellard | t = *pt; |
596 | 8a7ddc38 | bellard | if (!t)
|
597 | 8a7ddc38 | bellard | break;
|
598 | 8a7ddc38 | bellard | if (t->expire_time > expire_time)
|
599 | 8a7ddc38 | bellard | break;
|
600 | 8a7ddc38 | bellard | pt = &t->next; |
601 | 8a7ddc38 | bellard | } |
602 | 8a7ddc38 | bellard | ts->expire_time = expire_time; |
603 | 8a7ddc38 | bellard | ts->next = *pt; |
604 | 8a7ddc38 | bellard | *pt = ts; |
605 | 8a7ddc38 | bellard | } |
606 | 8a7ddc38 | bellard | |
607 | 8a7ddc38 | bellard | int qemu_timer_pending(QEMUTimer *ts)
|
608 | 8a7ddc38 | bellard | { |
609 | 8a7ddc38 | bellard | QEMUTimer *t; |
610 | 8a7ddc38 | bellard | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
611 | 8a7ddc38 | bellard | if (t == ts)
|
612 | 8a7ddc38 | bellard | return 1; |
613 | 8a7ddc38 | bellard | } |
614 | 8a7ddc38 | bellard | return 0; |
615 | 8a7ddc38 | bellard | } |
616 | 8a7ddc38 | bellard | |
617 | 8a7ddc38 | bellard | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
618 | 8a7ddc38 | bellard | { |
619 | 8a7ddc38 | bellard | if (!timer_head)
|
620 | 8a7ddc38 | bellard | return 0; |
621 | 8a7ddc38 | bellard | return (timer_head->expire_time <= current_time);
|
622 | 8a7ddc38 | bellard | } |
623 | 8a7ddc38 | bellard | |
624 | 8a7ddc38 | bellard | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
625 | 8a7ddc38 | bellard | { |
626 | 8a7ddc38 | bellard | QEMUTimer *ts; |
627 | 8a7ddc38 | bellard | |
628 | 8a7ddc38 | bellard | for(;;) {
|
629 | 8a7ddc38 | bellard | ts = *ptimer_head; |
630 | 8a7ddc38 | bellard | if (ts->expire_time > current_time)
|
631 | 8a7ddc38 | bellard | break;
|
632 | 8a7ddc38 | bellard | /* remove timer from the list before calling the callback */
|
633 | 8a7ddc38 | bellard | *ptimer_head = ts->next; |
634 | 8a7ddc38 | bellard | ts->next = NULL;
|
635 | 8a7ddc38 | bellard | |
636 | 8a7ddc38 | bellard | /* run the callback (the timer list can be modified) */
|
637 | 8a7ddc38 | bellard | ts->cb(ts->opaque); |
638 | 8a7ddc38 | bellard | } |
639 | 8a7ddc38 | bellard | } |
640 | 8a7ddc38 | bellard | |
641 | 8a7ddc38 | bellard | int64_t qemu_get_clock(QEMUClock *clock) |
642 | 8a7ddc38 | bellard | { |
643 | 8a7ddc38 | bellard | switch(clock->type) {
|
644 | 8a7ddc38 | bellard | case QEMU_TIMER_REALTIME:
|
645 | 67b915a5 | bellard | #ifdef _WIN32
|
646 | 67b915a5 | bellard | return GetTickCount();
|
647 | 67b915a5 | bellard | #else
|
648 | 7d3505c5 | bellard | { |
649 | 7d3505c5 | bellard | struct tms tp;
|
650 | 7d3505c5 | bellard | |
651 | 7d3505c5 | bellard | /* Note that using gettimeofday() is not a good solution
|
652 | 7d3505c5 | bellard | for timers because its value change when the date is
|
653 | 7d3505c5 | bellard | modified. */
|
654 | 7d3505c5 | bellard | if (timer_freq == 100) { |
655 | 7d3505c5 | bellard | return times(&tp) * 10; |
656 | 7d3505c5 | bellard | } else {
|
657 | 7d3505c5 | bellard | return ((int64_t)times(&tp) * 1000) / timer_freq; |
658 | 7d3505c5 | bellard | } |
659 | 8a7ddc38 | bellard | } |
660 | 67b915a5 | bellard | #endif
|
661 | 8a7ddc38 | bellard | default:
|
662 | 8a7ddc38 | bellard | case QEMU_TIMER_VIRTUAL:
|
663 | 8a7ddc38 | bellard | return cpu_get_ticks();
|
664 | 8a7ddc38 | bellard | } |
665 | 8a7ddc38 | bellard | } |
666 | 8a7ddc38 | bellard | |
667 | 8a7ddc38 | bellard | /* save a timer */
|
668 | 8a7ddc38 | bellard | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
669 | 8a7ddc38 | bellard | { |
670 | 8a7ddc38 | bellard | uint64_t expire_time; |
671 | 8a7ddc38 | bellard | |
672 | 8a7ddc38 | bellard | if (qemu_timer_pending(ts)) {
|
673 | 8a7ddc38 | bellard | expire_time = ts->expire_time; |
674 | 8a7ddc38 | bellard | } else {
|
675 | 8a7ddc38 | bellard | expire_time = -1;
|
676 | 8a7ddc38 | bellard | } |
677 | 8a7ddc38 | bellard | qemu_put_be64(f, expire_time); |
678 | 8a7ddc38 | bellard | } |
679 | 8a7ddc38 | bellard | |
680 | 8a7ddc38 | bellard | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
681 | 8a7ddc38 | bellard | { |
682 | 8a7ddc38 | bellard | uint64_t expire_time; |
683 | 8a7ddc38 | bellard | |
684 | 8a7ddc38 | bellard | expire_time = qemu_get_be64(f); |
685 | 8a7ddc38 | bellard | if (expire_time != -1) { |
686 | 8a7ddc38 | bellard | qemu_mod_timer(ts, expire_time); |
687 | 8a7ddc38 | bellard | } else {
|
688 | 8a7ddc38 | bellard | qemu_del_timer(ts); |
689 | 8a7ddc38 | bellard | } |
690 | 8a7ddc38 | bellard | } |
691 | 8a7ddc38 | bellard | |
692 | 8a7ddc38 | bellard | static void timer_save(QEMUFile *f, void *opaque) |
693 | 8a7ddc38 | bellard | { |
694 | 8a7ddc38 | bellard | if (cpu_ticks_enabled) {
|
695 | 8a7ddc38 | bellard | hw_error("cannot save state if virtual timers are running");
|
696 | 8a7ddc38 | bellard | } |
697 | 8a7ddc38 | bellard | qemu_put_be64s(f, &cpu_ticks_offset); |
698 | 8a7ddc38 | bellard | qemu_put_be64s(f, &ticks_per_sec); |
699 | 8a7ddc38 | bellard | } |
700 | 8a7ddc38 | bellard | |
701 | 8a7ddc38 | bellard | static int timer_load(QEMUFile *f, void *opaque, int version_id) |
702 | 8a7ddc38 | bellard | { |
703 | 8a7ddc38 | bellard | if (version_id != 1) |
704 | 8a7ddc38 | bellard | return -EINVAL;
|
705 | 8a7ddc38 | bellard | if (cpu_ticks_enabled) {
|
706 | 8a7ddc38 | bellard | return -EINVAL;
|
707 | 8a7ddc38 | bellard | } |
708 | 8a7ddc38 | bellard | qemu_get_be64s(f, &cpu_ticks_offset); |
709 | 8a7ddc38 | bellard | qemu_get_be64s(f, &ticks_per_sec); |
710 | 8a7ddc38 | bellard | return 0; |
711 | 8a7ddc38 | bellard | } |
712 | 8a7ddc38 | bellard | |
713 | 67b915a5 | bellard | #ifdef _WIN32
|
714 | 67b915a5 | bellard | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
715 | 67b915a5 | bellard | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
716 | 67b915a5 | bellard | #else
|
717 | 8a7ddc38 | bellard | static void host_alarm_handler(int host_signum) |
718 | 67b915a5 | bellard | #endif
|
719 | 8a7ddc38 | bellard | { |
720 | 8a7ddc38 | bellard | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
|
721 | 8a7ddc38 | bellard | qemu_get_clock(vm_clock)) || |
722 | 8a7ddc38 | bellard | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
723 | 8a7ddc38 | bellard | qemu_get_clock(rt_clock))) { |
724 | 8a7ddc38 | bellard | /* stop the cpu because a timer occured */
|
725 | 8a7ddc38 | bellard | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); |
726 | 8a7ddc38 | bellard | } |
727 | 8a7ddc38 | bellard | } |
728 | 8a7ddc38 | bellard | |
729 | fd872598 | bellard | #ifndef _WIN32
|
730 | fd872598 | bellard | |
731 | fd872598 | bellard | #define RTC_FREQ 1024 |
732 | fd872598 | bellard | |
733 | fd872598 | bellard | static int rtc_fd; |
734 | fd872598 | bellard | |
735 | fd872598 | bellard | static int start_rtc_timer(void) |
736 | fd872598 | bellard | { |
737 | fd872598 | bellard | rtc_fd = open("/dev/rtc", O_RDONLY);
|
738 | fd872598 | bellard | if (rtc_fd < 0) |
739 | fd872598 | bellard | return -1; |
740 | fd872598 | bellard | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { |
741 | fd872598 | bellard | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
742 | fd872598 | bellard | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
743 | fd872598 | bellard | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
744 | fd872598 | bellard | goto fail;
|
745 | fd872598 | bellard | } |
746 | fd872598 | bellard | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
747 | fd872598 | bellard | fail:
|
748 | fd872598 | bellard | close(rtc_fd); |
749 | fd872598 | bellard | return -1; |
750 | fd872598 | bellard | } |
751 | fd872598 | bellard | pit_min_timer_count = PIT_FREQ / RTC_FREQ; |
752 | fd872598 | bellard | return 0; |
753 | fd872598 | bellard | } |
754 | fd872598 | bellard | |
755 | fd872598 | bellard | #endif
|
756 | fd872598 | bellard | |
757 | 8a7ddc38 | bellard | static void init_timers(void) |
758 | 8a7ddc38 | bellard | { |
759 | 8a7ddc38 | bellard | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
760 | 8a7ddc38 | bellard | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
761 | 8a7ddc38 | bellard | |
762 | 67b915a5 | bellard | #ifdef _WIN32
|
763 | 67b915a5 | bellard | { |
764 | 67b915a5 | bellard | int count=0; |
765 | 40c3bac3 | bellard | timerID = timeSetEvent(10, // interval (ms) |
766 | 40c3bac3 | bellard | 0, // resolution |
767 | 40c3bac3 | bellard | host_alarm_handler, // function
|
768 | 40c3bac3 | bellard | (DWORD)&count, // user parameter
|
769 | 40c3bac3 | bellard | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); |
770 | 67b915a5 | bellard | if( !timerID ) {
|
771 | 67b915a5 | bellard | perror("failed timer alarm");
|
772 | 67b915a5 | bellard | exit(1);
|
773 | 67b915a5 | bellard | } |
774 | 67b915a5 | bellard | } |
775 | 67b915a5 | bellard | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; |
776 | 67b915a5 | bellard | #else
|
777 | 67b915a5 | bellard | { |
778 | 67b915a5 | bellard | struct sigaction act;
|
779 | 67b915a5 | bellard | struct itimerval itv;
|
780 | 67b915a5 | bellard | |
781 | 67b915a5 | bellard | /* get times() syscall frequency */
|
782 | 67b915a5 | bellard | timer_freq = sysconf(_SC_CLK_TCK); |
783 | 67b915a5 | bellard | |
784 | 67b915a5 | bellard | /* timer signal */
|
785 | 67b915a5 | bellard | sigfillset(&act.sa_mask); |
786 | 67b915a5 | bellard | act.sa_flags = 0;
|
787 | 8a7ddc38 | bellard | #if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
788 | 67b915a5 | bellard | act.sa_flags |= SA_ONSTACK; |
789 | 67b915a5 | bellard | #endif
|
790 | 67b915a5 | bellard | act.sa_handler = host_alarm_handler; |
791 | 67b915a5 | bellard | sigaction(SIGALRM, &act, NULL);
|
792 | fd872598 | bellard | |
793 | 67b915a5 | bellard | itv.it_interval.tv_sec = 0;
|
794 | 67b915a5 | bellard | itv.it_interval.tv_usec = 1000;
|
795 | 67b915a5 | bellard | itv.it_value.tv_sec = 0;
|
796 | 67b915a5 | bellard | itv.it_value.tv_usec = 10 * 1000; |
797 | 67b915a5 | bellard | setitimer(ITIMER_REAL, &itv, NULL);
|
798 | 67b915a5 | bellard | /* we probe the tick duration of the kernel to inform the user if
|
799 | 67b915a5 | bellard | the emulated kernel requested a too high timer frequency */
|
800 | 67b915a5 | bellard | getitimer(ITIMER_REAL, &itv); |
801 | fd872598 | bellard | |
802 | fd872598 | bellard | if (itv.it_interval.tv_usec > 1000) { |
803 | fd872598 | bellard | /* try to use /dev/rtc to have a faster timer */
|
804 | fd872598 | bellard | if (start_rtc_timer() < 0) |
805 | fd872598 | bellard | goto use_itimer;
|
806 | fd872598 | bellard | /* disable itimer */
|
807 | fd872598 | bellard | itv.it_interval.tv_sec = 0;
|
808 | fd872598 | bellard | itv.it_interval.tv_usec = 0;
|
809 | fd872598 | bellard | itv.it_value.tv_sec = 0;
|
810 | fd872598 | bellard | itv.it_value.tv_usec = 0;
|
811 | fd872598 | bellard | setitimer(ITIMER_REAL, &itv, NULL);
|
812 | fd872598 | bellard | |
813 | fd872598 | bellard | /* use the RTC */
|
814 | fd872598 | bellard | sigaction(SIGIO, &act, NULL);
|
815 | fd872598 | bellard | fcntl(rtc_fd, F_SETFL, O_ASYNC); |
816 | fd872598 | bellard | fcntl(rtc_fd, F_SETOWN, getpid()); |
817 | fd872598 | bellard | } else {
|
818 | fd872598 | bellard | use_itimer:
|
819 | fd872598 | bellard | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * |
820 | fd872598 | bellard | PIT_FREQ) / 1000000;
|
821 | fd872598 | bellard | } |
822 | 67b915a5 | bellard | } |
823 | 8a7ddc38 | bellard | #endif
|
824 | 8a7ddc38 | bellard | } |
825 | 8a7ddc38 | bellard | |
826 | 40c3bac3 | bellard | void quit_timers(void) |
827 | 40c3bac3 | bellard | { |
828 | 40c3bac3 | bellard | #ifdef _WIN32
|
829 | 40c3bac3 | bellard | timeKillEvent(timerID); |
830 | 40c3bac3 | bellard | #endif
|
831 | 40c3bac3 | bellard | } |
832 | 40c3bac3 | bellard | |
833 | c4b1fcc0 | bellard | /***********************************************************/
|
834 | c4b1fcc0 | bellard | /* serial device */
|
835 | 313aa567 | bellard | |
836 | 67b915a5 | bellard | #ifdef _WIN32
|
837 | 67b915a5 | bellard | |
838 | 67b915a5 | bellard | int serial_open_device(void) |
839 | 67b915a5 | bellard | { |
840 | 67b915a5 | bellard | return -1; |
841 | 67b915a5 | bellard | } |
842 | 67b915a5 | bellard | |
843 | 67b915a5 | bellard | #else
|
844 | 67b915a5 | bellard | |
845 | c4b1fcc0 | bellard | int serial_open_device(void) |
846 | 313aa567 | bellard | { |
847 | c4b1fcc0 | bellard | char slave_name[1024]; |
848 | c4b1fcc0 | bellard | int master_fd, slave_fd;
|
849 | 313aa567 | bellard | |
850 | c4b1fcc0 | bellard | if (serial_console == NULL && nographic) { |
851 | c4b1fcc0 | bellard | /* use console for serial port */
|
852 | c4b1fcc0 | bellard | return 0; |
853 | 80cabfad | bellard | } else {
|
854 | c4b1fcc0 | bellard | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
855 | c4b1fcc0 | bellard | fprintf(stderr, "warning: could not create pseudo terminal for serial port\n");
|
856 | c4b1fcc0 | bellard | return -1; |
857 | c4b1fcc0 | bellard | } |
858 | c4b1fcc0 | bellard | fprintf(stderr, "Serial port redirected to %s\n", slave_name);
|
859 | c4b1fcc0 | bellard | return master_fd;
|
860 | 330d0414 | bellard | } |
861 | 330d0414 | bellard | } |
862 | 330d0414 | bellard | |
863 | 67b915a5 | bellard | #endif
|
864 | 67b915a5 | bellard | |
865 | 80cabfad | bellard | /***********************************************************/
|
866 | c20709aa | bellard | /* Linux network device redirectors */
|
867 | 330d0414 | bellard | |
868 | c20709aa | bellard | void hex_dump(FILE *f, const uint8_t *buf, int size) |
869 | c20709aa | bellard | { |
870 | c20709aa | bellard | int len, i, j, c;
|
871 | c20709aa | bellard | |
872 | c20709aa | bellard | for(i=0;i<size;i+=16) { |
873 | c20709aa | bellard | len = size - i; |
874 | c20709aa | bellard | if (len > 16) |
875 | c20709aa | bellard | len = 16;
|
876 | c20709aa | bellard | fprintf(f, "%08x ", i);
|
877 | c20709aa | bellard | for(j=0;j<16;j++) { |
878 | c20709aa | bellard | if (j < len)
|
879 | c20709aa | bellard | fprintf(f, " %02x", buf[i+j]);
|
880 | c20709aa | bellard | else
|
881 | c20709aa | bellard | fprintf(f, " ");
|
882 | c20709aa | bellard | } |
883 | c20709aa | bellard | fprintf(f, " ");
|
884 | c20709aa | bellard | for(j=0;j<len;j++) { |
885 | c20709aa | bellard | c = buf[i+j]; |
886 | c20709aa | bellard | if (c < ' ' || c > '~') |
887 | c20709aa | bellard | c = '.';
|
888 | c20709aa | bellard | fprintf(f, "%c", c);
|
889 | c20709aa | bellard | } |
890 | c20709aa | bellard | fprintf(f, "\n");
|
891 | c20709aa | bellard | } |
892 | c20709aa | bellard | } |
893 | c20709aa | bellard | |
894 | c20709aa | bellard | void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
895 | c20709aa | bellard | { |
896 | c20709aa | bellard | nd->send_packet(nd, buf, size); |
897 | c20709aa | bellard | } |
898 | 67b915a5 | bellard | |
899 | c20709aa | bellard | void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read,
|
900 | c20709aa | bellard | IOReadHandler *fd_read, void *opaque)
|
901 | 67b915a5 | bellard | { |
902 | c20709aa | bellard | nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
903 | c20709aa | bellard | } |
904 | c20709aa | bellard | |
905 | c20709aa | bellard | /* dummy network adapter */
|
906 | c20709aa | bellard | |
907 | c20709aa | bellard | static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
908 | c20709aa | bellard | { |
909 | c20709aa | bellard | } |
910 | c20709aa | bellard | |
911 | c20709aa | bellard | static void dummy_add_read_packet(NetDriverState *nd, |
912 | c20709aa | bellard | IOCanRWHandler *fd_can_read, |
913 | c20709aa | bellard | IOReadHandler *fd_read, void *opaque)
|
914 | c20709aa | bellard | { |
915 | c20709aa | bellard | } |
916 | c20709aa | bellard | |
917 | c20709aa | bellard | static int net_dummy_init(NetDriverState *nd) |
918 | c20709aa | bellard | { |
919 | c20709aa | bellard | nd->send_packet = dummy_send_packet; |
920 | c20709aa | bellard | nd->add_read_packet = dummy_add_read_packet; |
921 | c20709aa | bellard | pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); |
922 | 67b915a5 | bellard | return 0; |
923 | 67b915a5 | bellard | } |
924 | 67b915a5 | bellard | |
925 | c20709aa | bellard | #if defined(CONFIG_SLIRP)
|
926 | c20709aa | bellard | |
927 | c20709aa | bellard | /* slirp network adapter */
|
928 | c20709aa | bellard | |
929 | c20709aa | bellard | static void *slirp_fd_opaque; |
930 | c20709aa | bellard | static IOCanRWHandler *slirp_fd_can_read;
|
931 | c20709aa | bellard | static IOReadHandler *slirp_fd_read;
|
932 | c20709aa | bellard | static int slirp_inited; |
933 | c20709aa | bellard | |
934 | c20709aa | bellard | int slirp_can_output(void) |
935 | c20709aa | bellard | { |
936 | c20709aa | bellard | return slirp_fd_can_read(slirp_fd_opaque);
|
937 | c20709aa | bellard | } |
938 | c20709aa | bellard | |
939 | c20709aa | bellard | void slirp_output(const uint8_t *pkt, int pkt_len) |
940 | 67b915a5 | bellard | { |
941 | c20709aa | bellard | #if 0
|
942 | c20709aa | bellard | printf("output:\n");
|
943 | c20709aa | bellard | hex_dump(stdout, pkt, pkt_len);
|
944 | c20709aa | bellard | #endif
|
945 | c20709aa | bellard | slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); |
946 | 67b915a5 | bellard | } |
947 | 67b915a5 | bellard | |
948 | c20709aa | bellard | static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
949 | c20709aa | bellard | { |
950 | c20709aa | bellard | #if 0
|
951 | c20709aa | bellard | printf("input:\n");
|
952 | c20709aa | bellard | hex_dump(stdout, buf, size);
|
953 | c20709aa | bellard | #endif
|
954 | c20709aa | bellard | slirp_input(buf, size); |
955 | c20709aa | bellard | } |
956 | c20709aa | bellard | |
957 | c20709aa | bellard | static void slirp_add_read_packet(NetDriverState *nd, |
958 | c20709aa | bellard | IOCanRWHandler *fd_can_read, |
959 | c20709aa | bellard | IOReadHandler *fd_read, void *opaque)
|
960 | c20709aa | bellard | { |
961 | c20709aa | bellard | slirp_fd_opaque = opaque; |
962 | c20709aa | bellard | slirp_fd_can_read = fd_can_read; |
963 | c20709aa | bellard | slirp_fd_read = fd_read; |
964 | c20709aa | bellard | } |
965 | c20709aa | bellard | |
966 | c20709aa | bellard | static int net_slirp_init(NetDriverState *nd) |
967 | c20709aa | bellard | { |
968 | c20709aa | bellard | if (!slirp_inited) {
|
969 | c20709aa | bellard | slirp_inited = 1;
|
970 | c20709aa | bellard | slirp_init(); |
971 | c20709aa | bellard | } |
972 | c20709aa | bellard | nd->send_packet = slirp_send_packet; |
973 | c20709aa | bellard | nd->add_read_packet = slirp_add_read_packet; |
974 | c20709aa | bellard | pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); |
975 | c20709aa | bellard | return 0; |
976 | c20709aa | bellard | } |
977 | c20709aa | bellard | |
978 | c20709aa | bellard | #endif /* CONFIG_SLIRP */ |
979 | c20709aa | bellard | |
980 | c20709aa | bellard | #if !defined(_WIN32)
|
981 | 7d3505c5 | bellard | #ifdef _BSD
|
982 | 7d3505c5 | bellard | static int tun_open(char *ifname, int ifname_size) |
983 | 7d3505c5 | bellard | { |
984 | 7d3505c5 | bellard | int fd;
|
985 | 7d3505c5 | bellard | char *dev;
|
986 | 7d3505c5 | bellard | struct stat s;
|
987 | 67b915a5 | bellard | |
988 | 7d3505c5 | bellard | fd = open("/dev/tap", O_RDWR);
|
989 | 7d3505c5 | bellard | if (fd < 0) { |
990 | 7d3505c5 | bellard | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
991 | 7d3505c5 | bellard | return -1; |
992 | 7d3505c5 | bellard | } |
993 | 7d3505c5 | bellard | |
994 | 7d3505c5 | bellard | fstat(fd, &s); |
995 | 7d3505c5 | bellard | dev = devname(s.st_rdev, S_IFCHR); |
996 | 7d3505c5 | bellard | pstrcpy(ifname, ifname_size, dev); |
997 | 7d3505c5 | bellard | |
998 | 7d3505c5 | bellard | fcntl(fd, F_SETFL, O_NONBLOCK); |
999 | 7d3505c5 | bellard | return fd;
|
1000 | 7d3505c5 | bellard | } |
1001 | 7d3505c5 | bellard | #else
|
1002 | c4b1fcc0 | bellard | static int tun_open(char *ifname, int ifname_size) |
1003 | 330d0414 | bellard | { |
1004 | 80cabfad | bellard | struct ifreq ifr;
|
1005 | c4b1fcc0 | bellard | int fd, ret;
|
1006 | 80cabfad | bellard | |
1007 | 80cabfad | bellard | fd = open("/dev/net/tun", O_RDWR);
|
1008 | 80cabfad | bellard | if (fd < 0) { |
1009 | 80cabfad | bellard | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
1010 | 80cabfad | bellard | return -1; |
1011 | 330d0414 | bellard | } |
1012 | 80cabfad | bellard | memset(&ifr, 0, sizeof(ifr)); |
1013 | 80cabfad | bellard | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
1014 | 80cabfad | bellard | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
|
1015 | 80cabfad | bellard | ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
1016 | 80cabfad | bellard | if (ret != 0) { |
1017 | 80cabfad | bellard | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
1018 | 80cabfad | bellard | close(fd); |
1019 | 80cabfad | bellard | return -1; |
1020 | 80cabfad | bellard | } |
1021 | 80cabfad | bellard | printf("Connected to host network interface: %s\n", ifr.ifr_name);
|
1022 | c4b1fcc0 | bellard | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
1023 | 80cabfad | bellard | fcntl(fd, F_SETFL, O_NONBLOCK); |
1024 | c4b1fcc0 | bellard | return fd;
|
1025 | c4b1fcc0 | bellard | } |
1026 | 7d3505c5 | bellard | #endif
|
1027 | 330d0414 | bellard | |
1028 | c20709aa | bellard | static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1029 | c20709aa | bellard | { |
1030 | c20709aa | bellard | write(nd->fd, buf, size); |
1031 | c20709aa | bellard | } |
1032 | c20709aa | bellard | |
1033 | c20709aa | bellard | static void tun_add_read_packet(NetDriverState *nd, |
1034 | c20709aa | bellard | IOCanRWHandler *fd_can_read, |
1035 | c20709aa | bellard | IOReadHandler *fd_read, void *opaque)
|
1036 | c4b1fcc0 | bellard | { |
1037 | c20709aa | bellard | qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
1038 | c20709aa | bellard | } |
1039 | c20709aa | bellard | |
1040 | c20709aa | bellard | static int net_tun_init(NetDriverState *nd) |
1041 | c20709aa | bellard | { |
1042 | c20709aa | bellard | int pid, status;
|
1043 | c20709aa | bellard | char *args[3]; |
1044 | c4b1fcc0 | bellard | char **parg;
|
1045 | c4b1fcc0 | bellard | |
1046 | c20709aa | bellard | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
|
1047 | c20709aa | bellard | if (nd->fd < 0) |
1048 | c20709aa | bellard | return -1; |
1049 | c4b1fcc0 | bellard | |
1050 | c20709aa | bellard | /* try to launch network init script */
|
1051 | c20709aa | bellard | pid = fork(); |
1052 | c20709aa | bellard | if (pid >= 0) { |
1053 | c20709aa | bellard | if (pid == 0) { |
1054 | c20709aa | bellard | parg = args; |
1055 | c20709aa | bellard | *parg++ = network_script; |
1056 | c20709aa | bellard | *parg++ = nd->ifname; |
1057 | c20709aa | bellard | *parg++ = NULL;
|
1058 | c20709aa | bellard | execv(network_script, args); |
1059 | c20709aa | bellard | exit(1);
|
1060 | c20709aa | bellard | } |
1061 | c20709aa | bellard | while (waitpid(pid, &status, 0) != pid); |
1062 | c20709aa | bellard | if (!WIFEXITED(status) ||
|
1063 | c20709aa | bellard | WEXITSTATUS(status) != 0) {
|
1064 | c20709aa | bellard | fprintf(stderr, "%s: could not launch network script\n",
|
1065 | c20709aa | bellard | network_script); |
1066 | 80cabfad | bellard | } |
1067 | 330d0414 | bellard | } |
1068 | c20709aa | bellard | nd->send_packet = tun_send_packet; |
1069 | c20709aa | bellard | nd->add_read_packet = tun_add_read_packet; |
1070 | 80cabfad | bellard | return 0; |
1071 | 330d0414 | bellard | } |
1072 | 330d0414 | bellard | |
1073 | c20709aa | bellard | static int net_fd_init(NetDriverState *nd, int fd) |
1074 | 330d0414 | bellard | { |
1075 | c20709aa | bellard | nd->fd = fd; |
1076 | c20709aa | bellard | nd->send_packet = tun_send_packet; |
1077 | c20709aa | bellard | nd->add_read_packet = tun_add_read_packet; |
1078 | c20709aa | bellard | pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); |
1079 | c20709aa | bellard | return 0; |
1080 | 80cabfad | bellard | } |
1081 | 330d0414 | bellard | |
1082 | c20709aa | bellard | #endif /* !_WIN32 */ |
1083 | 67b915a5 | bellard | |
1084 | 330d0414 | bellard | /***********************************************************/
|
1085 | 313aa567 | bellard | /* dumb display */
|
1086 | 313aa567 | bellard | |
1087 | 67b915a5 | bellard | #ifdef _WIN32
|
1088 | 67b915a5 | bellard | |
1089 | 67b915a5 | bellard | static void term_exit(void) |
1090 | 67b915a5 | bellard | { |
1091 | 67b915a5 | bellard | } |
1092 | 67b915a5 | bellard | |
1093 | 67b915a5 | bellard | static void term_init(void) |
1094 | 67b915a5 | bellard | { |
1095 | 67b915a5 | bellard | } |
1096 | 67b915a5 | bellard | |
1097 | 67b915a5 | bellard | #else
|
1098 | 67b915a5 | bellard | |
1099 | 313aa567 | bellard | /* init terminal so that we can grab keys */
|
1100 | 313aa567 | bellard | static struct termios oldtty; |
1101 | 313aa567 | bellard | |
1102 | 313aa567 | bellard | static void term_exit(void) |
1103 | 313aa567 | bellard | { |
1104 | 313aa567 | bellard | tcsetattr (0, TCSANOW, &oldtty);
|
1105 | 313aa567 | bellard | } |
1106 | 313aa567 | bellard | |
1107 | 313aa567 | bellard | static void term_init(void) |
1108 | 313aa567 | bellard | { |
1109 | 313aa567 | bellard | struct termios tty;
|
1110 | 313aa567 | bellard | |
1111 | 313aa567 | bellard | tcgetattr (0, &tty);
|
1112 | 313aa567 | bellard | oldtty = tty; |
1113 | 313aa567 | bellard | |
1114 | 313aa567 | bellard | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
1115 | 313aa567 | bellard | |INLCR|IGNCR|ICRNL|IXON); |
1116 | 313aa567 | bellard | tty.c_oflag |= OPOST; |
1117 | a20dd508 | bellard | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1118 | a20dd508 | bellard | /* if graphical mode, we allow Ctrl-C handling */
|
1119 | a20dd508 | bellard | if (nographic)
|
1120 | a20dd508 | bellard | tty.c_lflag &= ~ISIG; |
1121 | 313aa567 | bellard | tty.c_cflag &= ~(CSIZE|PARENB); |
1122 | 313aa567 | bellard | tty.c_cflag |= CS8; |
1123 | 313aa567 | bellard | tty.c_cc[VMIN] = 1;
|
1124 | 313aa567 | bellard | tty.c_cc[VTIME] = 0;
|
1125 | 313aa567 | bellard | |
1126 | 313aa567 | bellard | tcsetattr (0, TCSANOW, &tty);
|
1127 | 313aa567 | bellard | |
1128 | 313aa567 | bellard | atexit(term_exit); |
1129 | 313aa567 | bellard | |
1130 | 313aa567 | bellard | fcntl(0, F_SETFL, O_NONBLOCK);
|
1131 | 313aa567 | bellard | } |
1132 | 313aa567 | bellard | |
1133 | 67b915a5 | bellard | #endif
|
1134 | 67b915a5 | bellard | |
1135 | 313aa567 | bellard | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1136 | 313aa567 | bellard | { |
1137 | 313aa567 | bellard | } |
1138 | 313aa567 | bellard | |
1139 | 313aa567 | bellard | static void dumb_resize(DisplayState *ds, int w, int h) |
1140 | 313aa567 | bellard | { |
1141 | 313aa567 | bellard | } |
1142 | 313aa567 | bellard | |
1143 | 313aa567 | bellard | static void dumb_refresh(DisplayState *ds) |
1144 | 313aa567 | bellard | { |
1145 | 313aa567 | bellard | vga_update_display(); |
1146 | 313aa567 | bellard | } |
1147 | 313aa567 | bellard | |
1148 | 313aa567 | bellard | void dumb_display_init(DisplayState *ds)
|
1149 | 313aa567 | bellard | { |
1150 | 313aa567 | bellard | ds->data = NULL;
|
1151 | 313aa567 | bellard | ds->linesize = 0;
|
1152 | 313aa567 | bellard | ds->depth = 0;
|
1153 | 313aa567 | bellard | ds->dpy_update = dumb_update; |
1154 | 313aa567 | bellard | ds->dpy_resize = dumb_resize; |
1155 | 313aa567 | bellard | ds->dpy_refresh = dumb_refresh; |
1156 | 313aa567 | bellard | } |
1157 | 313aa567 | bellard | |
1158 | 3a51dee6 | bellard | #if !defined(CONFIG_SOFTMMU)
|
1159 | 313aa567 | bellard | /***********************************************************/
|
1160 | 0824d6fc | bellard | /* cpu signal handler */
|
1161 | 0824d6fc | bellard | static void host_segv_handler(int host_signum, siginfo_t *info, |
1162 | 0824d6fc | bellard | void *puc)
|
1163 | 0824d6fc | bellard | { |
1164 | 0824d6fc | bellard | if (cpu_signal_handler(host_signum, info, puc))
|
1165 | 0824d6fc | bellard | return;
|
1166 | 0824d6fc | bellard | term_exit(); |
1167 | 0824d6fc | bellard | abort(); |
1168 | 0824d6fc | bellard | } |
1169 | 3a51dee6 | bellard | #endif
|
1170 | 0824d6fc | bellard | |
1171 | 8a7ddc38 | bellard | /***********************************************************/
|
1172 | 8a7ddc38 | bellard | /* I/O handling */
|
1173 | 0824d6fc | bellard | |
1174 | c4b1fcc0 | bellard | #define MAX_IO_HANDLERS 64 |
1175 | c4b1fcc0 | bellard | |
1176 | c4b1fcc0 | bellard | typedef struct IOHandlerRecord { |
1177 | c4b1fcc0 | bellard | int fd;
|
1178 | c4b1fcc0 | bellard | IOCanRWHandler *fd_can_read; |
1179 | c4b1fcc0 | bellard | IOReadHandler *fd_read; |
1180 | c4b1fcc0 | bellard | void *opaque;
|
1181 | c4b1fcc0 | bellard | /* temporary data */
|
1182 | c4b1fcc0 | bellard | struct pollfd *ufd;
|
1183 | c4b1fcc0 | bellard | int max_size;
|
1184 | 8a7ddc38 | bellard | struct IOHandlerRecord *next;
|
1185 | c4b1fcc0 | bellard | } IOHandlerRecord; |
1186 | c4b1fcc0 | bellard | |
1187 | 8a7ddc38 | bellard | static IOHandlerRecord *first_io_handler;
|
1188 | c4b1fcc0 | bellard | |
1189 | 8a7ddc38 | bellard | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1190 | 8a7ddc38 | bellard | IOReadHandler *fd_read, void *opaque)
|
1191 | c4b1fcc0 | bellard | { |
1192 | c4b1fcc0 | bellard | IOHandlerRecord *ioh; |
1193 | c4b1fcc0 | bellard | |
1194 | 8a7ddc38 | bellard | ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
1195 | 8a7ddc38 | bellard | if (!ioh)
|
1196 | c4b1fcc0 | bellard | return -1; |
1197 | c4b1fcc0 | bellard | ioh->fd = fd; |
1198 | c4b1fcc0 | bellard | ioh->fd_can_read = fd_can_read; |
1199 | c4b1fcc0 | bellard | ioh->fd_read = fd_read; |
1200 | c4b1fcc0 | bellard | ioh->opaque = opaque; |
1201 | 8a7ddc38 | bellard | ioh->next = first_io_handler; |
1202 | 8a7ddc38 | bellard | first_io_handler = ioh; |
1203 | c4b1fcc0 | bellard | return 0; |
1204 | c4b1fcc0 | bellard | } |
1205 | c4b1fcc0 | bellard | |
1206 | 8a7ddc38 | bellard | void qemu_del_fd_read_handler(int fd) |
1207 | 8a7ddc38 | bellard | { |
1208 | 8a7ddc38 | bellard | IOHandlerRecord **pioh, *ioh; |
1209 | b4608c04 | bellard | |
1210 | 8a7ddc38 | bellard | pioh = &first_io_handler; |
1211 | 8a7ddc38 | bellard | for(;;) {
|
1212 | 8a7ddc38 | bellard | ioh = *pioh; |
1213 | 8a7ddc38 | bellard | if (ioh == NULL) |
1214 | 8a7ddc38 | bellard | break;
|
1215 | 8a7ddc38 | bellard | if (ioh->fd == fd) {
|
1216 | 8a7ddc38 | bellard | *pioh = ioh->next; |
1217 | 8a7ddc38 | bellard | break;
|
1218 | 8a7ddc38 | bellard | } |
1219 | 8a7ddc38 | bellard | pioh = &ioh->next; |
1220 | 8a7ddc38 | bellard | } |
1221 | 8a7ddc38 | bellard | } |
1222 | 8a7ddc38 | bellard | |
1223 | 8a7ddc38 | bellard | /***********************************************************/
|
1224 | 8a7ddc38 | bellard | /* savevm/loadvm support */
|
1225 | 8a7ddc38 | bellard | |
1226 | 8a7ddc38 | bellard | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) |
1227 | b4608c04 | bellard | { |
1228 | 8a7ddc38 | bellard | fwrite(buf, 1, size, f);
|
1229 | b4608c04 | bellard | } |
1230 | b4608c04 | bellard | |
1231 | 8a7ddc38 | bellard | void qemu_put_byte(QEMUFile *f, int v) |
1232 | b4608c04 | bellard | { |
1233 | 8a7ddc38 | bellard | fputc(v, f); |
1234 | 8a7ddc38 | bellard | } |
1235 | 8a7ddc38 | bellard | |
1236 | 8a7ddc38 | bellard | void qemu_put_be16(QEMUFile *f, unsigned int v) |
1237 | 8a7ddc38 | bellard | { |
1238 | 8a7ddc38 | bellard | qemu_put_byte(f, v >> 8);
|
1239 | 8a7ddc38 | bellard | qemu_put_byte(f, v); |
1240 | 8a7ddc38 | bellard | } |
1241 | 8a7ddc38 | bellard | |
1242 | 8a7ddc38 | bellard | void qemu_put_be32(QEMUFile *f, unsigned int v) |
1243 | 8a7ddc38 | bellard | { |
1244 | 8a7ddc38 | bellard | qemu_put_byte(f, v >> 24);
|
1245 | 8a7ddc38 | bellard | qemu_put_byte(f, v >> 16);
|
1246 | 8a7ddc38 | bellard | qemu_put_byte(f, v >> 8);
|
1247 | 8a7ddc38 | bellard | qemu_put_byte(f, v); |
1248 | 8a7ddc38 | bellard | } |
1249 | 8a7ddc38 | bellard | |
1250 | 8a7ddc38 | bellard | void qemu_put_be64(QEMUFile *f, uint64_t v)
|
1251 | 8a7ddc38 | bellard | { |
1252 | 8a7ddc38 | bellard | qemu_put_be32(f, v >> 32);
|
1253 | 8a7ddc38 | bellard | qemu_put_be32(f, v); |
1254 | 8a7ddc38 | bellard | } |
1255 | 8a7ddc38 | bellard | |
1256 | 8a7ddc38 | bellard | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) |
1257 | 8a7ddc38 | bellard | { |
1258 | 8a7ddc38 | bellard | return fread(buf, 1, size, f); |
1259 | 8a7ddc38 | bellard | } |
1260 | 8a7ddc38 | bellard | |
1261 | 8a7ddc38 | bellard | int qemu_get_byte(QEMUFile *f)
|
1262 | 8a7ddc38 | bellard | { |
1263 | 8a7ddc38 | bellard | int v;
|
1264 | 8a7ddc38 | bellard | v = fgetc(f); |
1265 | 8a7ddc38 | bellard | if (v == EOF) |
1266 | 8a7ddc38 | bellard | return 0; |
1267 | 8a7ddc38 | bellard | else
|
1268 | 8a7ddc38 | bellard | return v;
|
1269 | 8a7ddc38 | bellard | } |
1270 | 8a7ddc38 | bellard | |
1271 | 8a7ddc38 | bellard | unsigned int qemu_get_be16(QEMUFile *f) |
1272 | 8a7ddc38 | bellard | { |
1273 | 8a7ddc38 | bellard | unsigned int v; |
1274 | 8a7ddc38 | bellard | v = qemu_get_byte(f) << 8;
|
1275 | 8a7ddc38 | bellard | v |= qemu_get_byte(f); |
1276 | 8a7ddc38 | bellard | return v;
|
1277 | 8a7ddc38 | bellard | } |
1278 | 8a7ddc38 | bellard | |
1279 | 8a7ddc38 | bellard | unsigned int qemu_get_be32(QEMUFile *f) |
1280 | 8a7ddc38 | bellard | { |
1281 | 8a7ddc38 | bellard | unsigned int v; |
1282 | 8a7ddc38 | bellard | v = qemu_get_byte(f) << 24;
|
1283 | 8a7ddc38 | bellard | v |= qemu_get_byte(f) << 16;
|
1284 | 8a7ddc38 | bellard | v |= qemu_get_byte(f) << 8;
|
1285 | 8a7ddc38 | bellard | v |= qemu_get_byte(f); |
1286 | 8a7ddc38 | bellard | return v;
|
1287 | 8a7ddc38 | bellard | } |
1288 | 8a7ddc38 | bellard | |
1289 | 8a7ddc38 | bellard | uint64_t qemu_get_be64(QEMUFile *f) |
1290 | 8a7ddc38 | bellard | { |
1291 | 8a7ddc38 | bellard | uint64_t v; |
1292 | 8a7ddc38 | bellard | v = (uint64_t)qemu_get_be32(f) << 32;
|
1293 | 8a7ddc38 | bellard | v |= qemu_get_be32(f); |
1294 | 8a7ddc38 | bellard | return v;
|
1295 | 8a7ddc38 | bellard | } |
1296 | 8a7ddc38 | bellard | |
1297 | 8a7ddc38 | bellard | int64_t qemu_ftell(QEMUFile *f) |
1298 | 8a7ddc38 | bellard | { |
1299 | 8a7ddc38 | bellard | return ftell(f);
|
1300 | 8a7ddc38 | bellard | } |
1301 | 8a7ddc38 | bellard | |
1302 | 8a7ddc38 | bellard | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
1303 | 8a7ddc38 | bellard | { |
1304 | 8a7ddc38 | bellard | if (fseek(f, pos, whence) < 0) |
1305 | 8a7ddc38 | bellard | return -1; |
1306 | 8a7ddc38 | bellard | return ftell(f);
|
1307 | 8a7ddc38 | bellard | } |
1308 | 8a7ddc38 | bellard | |
1309 | 8a7ddc38 | bellard | typedef struct SaveStateEntry { |
1310 | 8a7ddc38 | bellard | char idstr[256]; |
1311 | 8a7ddc38 | bellard | int instance_id;
|
1312 | 8a7ddc38 | bellard | int version_id;
|
1313 | 8a7ddc38 | bellard | SaveStateHandler *save_state; |
1314 | 8a7ddc38 | bellard | LoadStateHandler *load_state; |
1315 | 8a7ddc38 | bellard | void *opaque;
|
1316 | 8a7ddc38 | bellard | struct SaveStateEntry *next;
|
1317 | 8a7ddc38 | bellard | } SaveStateEntry; |
1318 | b4608c04 | bellard | |
1319 | 8a7ddc38 | bellard | static SaveStateEntry *first_se;
|
1320 | 8a7ddc38 | bellard | |
1321 | 8a7ddc38 | bellard | int register_savevm(const char *idstr, |
1322 | 8a7ddc38 | bellard | int instance_id,
|
1323 | 8a7ddc38 | bellard | int version_id,
|
1324 | 8a7ddc38 | bellard | SaveStateHandler *save_state, |
1325 | 8a7ddc38 | bellard | LoadStateHandler *load_state, |
1326 | 8a7ddc38 | bellard | void *opaque)
|
1327 | 8a7ddc38 | bellard | { |
1328 | 8a7ddc38 | bellard | SaveStateEntry *se, **pse; |
1329 | 8a7ddc38 | bellard | |
1330 | 8a7ddc38 | bellard | se = qemu_malloc(sizeof(SaveStateEntry));
|
1331 | 8a7ddc38 | bellard | if (!se)
|
1332 | 8a7ddc38 | bellard | return -1; |
1333 | 8a7ddc38 | bellard | pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
1334 | 8a7ddc38 | bellard | se->instance_id = instance_id; |
1335 | 8a7ddc38 | bellard | se->version_id = version_id; |
1336 | 8a7ddc38 | bellard | se->save_state = save_state; |
1337 | 8a7ddc38 | bellard | se->load_state = load_state; |
1338 | 8a7ddc38 | bellard | se->opaque = opaque; |
1339 | 8a7ddc38 | bellard | se->next = NULL;
|
1340 | 8a7ddc38 | bellard | |
1341 | 8a7ddc38 | bellard | /* add at the end of list */
|
1342 | 8a7ddc38 | bellard | pse = &first_se; |
1343 | 8a7ddc38 | bellard | while (*pse != NULL) |
1344 | 8a7ddc38 | bellard | pse = &(*pse)->next; |
1345 | 8a7ddc38 | bellard | *pse = se; |
1346 | 8a7ddc38 | bellard | return 0; |
1347 | 8a7ddc38 | bellard | } |
1348 | 8a7ddc38 | bellard | |
1349 | 8a7ddc38 | bellard | #define QEMU_VM_FILE_MAGIC 0x5145564d |
1350 | 8a7ddc38 | bellard | #define QEMU_VM_FILE_VERSION 0x00000001 |
1351 | 8a7ddc38 | bellard | |
1352 | 8a7ddc38 | bellard | int qemu_savevm(const char *filename) |
1353 | 8a7ddc38 | bellard | { |
1354 | 8a7ddc38 | bellard | SaveStateEntry *se; |
1355 | 8a7ddc38 | bellard | QEMUFile *f; |
1356 | 8a7ddc38 | bellard | int len, len_pos, cur_pos, saved_vm_running, ret;
|
1357 | 8a7ddc38 | bellard | |
1358 | 8a7ddc38 | bellard | saved_vm_running = vm_running; |
1359 | 8a7ddc38 | bellard | vm_stop(0);
|
1360 | 8a7ddc38 | bellard | |
1361 | 8a7ddc38 | bellard | f = fopen(filename, "wb");
|
1362 | 8a7ddc38 | bellard | if (!f) {
|
1363 | 8a7ddc38 | bellard | ret = -1;
|
1364 | 8a7ddc38 | bellard | goto the_end;
|
1365 | 313aa567 | bellard | } |
1366 | 313aa567 | bellard | |
1367 | 8a7ddc38 | bellard | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1368 | 8a7ddc38 | bellard | qemu_put_be32(f, QEMU_VM_FILE_VERSION); |
1369 | 8a7ddc38 | bellard | |
1370 | 8a7ddc38 | bellard | for(se = first_se; se != NULL; se = se->next) { |
1371 | 8a7ddc38 | bellard | /* ID string */
|
1372 | 8a7ddc38 | bellard | len = strlen(se->idstr); |
1373 | 8a7ddc38 | bellard | qemu_put_byte(f, len); |
1374 | 8a7ddc38 | bellard | qemu_put_buffer(f, se->idstr, len); |
1375 | 8a7ddc38 | bellard | |
1376 | 8a7ddc38 | bellard | qemu_put_be32(f, se->instance_id); |
1377 | 8a7ddc38 | bellard | qemu_put_be32(f, se->version_id); |
1378 | 8a7ddc38 | bellard | |
1379 | 8a7ddc38 | bellard | /* record size: filled later */
|
1380 | 8a7ddc38 | bellard | len_pos = ftell(f); |
1381 | 8a7ddc38 | bellard | qemu_put_be32(f, 0);
|
1382 | 8a7ddc38 | bellard | |
1383 | 8a7ddc38 | bellard | se->save_state(f, se->opaque); |
1384 | 8a7ddc38 | bellard | |
1385 | 8a7ddc38 | bellard | /* fill record size */
|
1386 | 8a7ddc38 | bellard | cur_pos = ftell(f); |
1387 | 8a7ddc38 | bellard | len = ftell(f) - len_pos - 4;
|
1388 | 8a7ddc38 | bellard | fseek(f, len_pos, SEEK_SET); |
1389 | 8a7ddc38 | bellard | qemu_put_be32(f, len); |
1390 | 8a7ddc38 | bellard | fseek(f, cur_pos, SEEK_SET); |
1391 | 8a7ddc38 | bellard | } |
1392 | 8a7ddc38 | bellard | |
1393 | 8a7ddc38 | bellard | fclose(f); |
1394 | 8a7ddc38 | bellard | ret = 0;
|
1395 | 8a7ddc38 | bellard | the_end:
|
1396 | 8a7ddc38 | bellard | if (saved_vm_running)
|
1397 | 8a7ddc38 | bellard | vm_start(); |
1398 | 8a7ddc38 | bellard | return ret;
|
1399 | 8a7ddc38 | bellard | } |
1400 | 8a7ddc38 | bellard | |
1401 | 8a7ddc38 | bellard | static SaveStateEntry *find_se(const char *idstr, int instance_id) |
1402 | 8a7ddc38 | bellard | { |
1403 | 8a7ddc38 | bellard | SaveStateEntry *se; |
1404 | 8a7ddc38 | bellard | |
1405 | 8a7ddc38 | bellard | for(se = first_se; se != NULL; se = se->next) { |
1406 | 8a7ddc38 | bellard | if (!strcmp(se->idstr, idstr) &&
|
1407 | 8a7ddc38 | bellard | instance_id == se->instance_id) |
1408 | 8a7ddc38 | bellard | return se;
|
1409 | 8a7ddc38 | bellard | } |
1410 | 8a7ddc38 | bellard | return NULL; |
1411 | 8a7ddc38 | bellard | } |
1412 | 8a7ddc38 | bellard | |
1413 | 8a7ddc38 | bellard | int qemu_loadvm(const char *filename) |
1414 | 8a7ddc38 | bellard | { |
1415 | 8a7ddc38 | bellard | SaveStateEntry *se; |
1416 | 8a7ddc38 | bellard | QEMUFile *f; |
1417 | 8a7ddc38 | bellard | int len, cur_pos, ret, instance_id, record_len, version_id;
|
1418 | 8a7ddc38 | bellard | int saved_vm_running;
|
1419 | 8a7ddc38 | bellard | unsigned int v; |
1420 | 8a7ddc38 | bellard | char idstr[256]; |
1421 | 8a7ddc38 | bellard | |
1422 | 8a7ddc38 | bellard | saved_vm_running = vm_running; |
1423 | 8a7ddc38 | bellard | vm_stop(0);
|
1424 | 8a7ddc38 | bellard | |
1425 | 8a7ddc38 | bellard | f = fopen(filename, "rb");
|
1426 | 8a7ddc38 | bellard | if (!f) {
|
1427 | 8a7ddc38 | bellard | ret = -1;
|
1428 | 8a7ddc38 | bellard | goto the_end;
|
1429 | 8a7ddc38 | bellard | } |
1430 | 8a7ddc38 | bellard | |
1431 | 8a7ddc38 | bellard | v = qemu_get_be32(f); |
1432 | 8a7ddc38 | bellard | if (v != QEMU_VM_FILE_MAGIC)
|
1433 | 8a7ddc38 | bellard | goto fail;
|
1434 | 8a7ddc38 | bellard | v = qemu_get_be32(f); |
1435 | 8a7ddc38 | bellard | if (v != QEMU_VM_FILE_VERSION) {
|
1436 | 8a7ddc38 | bellard | fail:
|
1437 | 8a7ddc38 | bellard | fclose(f); |
1438 | 8a7ddc38 | bellard | ret = -1;
|
1439 | 8a7ddc38 | bellard | goto the_end;
|
1440 | 8a7ddc38 | bellard | } |
1441 | b4608c04 | bellard | for(;;) {
|
1442 | a541f297 | bellard | #if defined (DO_TB_FLUSH)
|
1443 | d927637d | bellard | tb_flush(global_env); |
1444 | a541f297 | bellard | #endif
|
1445 | 8a7ddc38 | bellard | len = qemu_get_byte(f); |
1446 | 8a7ddc38 | bellard | if (feof(f))
|
1447 | cd4c3e88 | bellard | break;
|
1448 | 8a7ddc38 | bellard | qemu_get_buffer(f, idstr, len); |
1449 | 8a7ddc38 | bellard | idstr[len] = '\0';
|
1450 | 8a7ddc38 | bellard | instance_id = qemu_get_be32(f); |
1451 | 8a7ddc38 | bellard | version_id = qemu_get_be32(f); |
1452 | 8a7ddc38 | bellard | record_len = qemu_get_be32(f); |
1453 | 8a7ddc38 | bellard | #if 0
|
1454 | 8a7ddc38 | bellard | printf("idstr=%s instance=0x%x version=%d len=%d\n",
|
1455 | 8a7ddc38 | bellard | idstr, instance_id, version_id, record_len);
|
1456 | 8a7ddc38 | bellard | #endif
|
1457 | 8a7ddc38 | bellard | cur_pos = ftell(f); |
1458 | 8a7ddc38 | bellard | se = find_se(idstr, instance_id); |
1459 | 8a7ddc38 | bellard | if (!se) {
|
1460 | 8a7ddc38 | bellard | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
1461 | 8a7ddc38 | bellard | instance_id, idstr); |
1462 | 8a7ddc38 | bellard | } else {
|
1463 | 8a7ddc38 | bellard | ret = se->load_state(f, se->opaque, version_id); |
1464 | 8a7ddc38 | bellard | if (ret < 0) { |
1465 | 8a7ddc38 | bellard | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
1466 | 8a7ddc38 | bellard | instance_id, idstr); |
1467 | 8a7ddc38 | bellard | } |
1468 | 34865134 | bellard | } |
1469 | 8a7ddc38 | bellard | /* always seek to exact end of record */
|
1470 | 8a7ddc38 | bellard | qemu_fseek(f, cur_pos + record_len, SEEK_SET); |
1471 | 8a7ddc38 | bellard | } |
1472 | 8a7ddc38 | bellard | fclose(f); |
1473 | 8a7ddc38 | bellard | ret = 0;
|
1474 | 8a7ddc38 | bellard | the_end:
|
1475 | 8a7ddc38 | bellard | if (saved_vm_running)
|
1476 | 8a7ddc38 | bellard | vm_start(); |
1477 | 8a7ddc38 | bellard | return ret;
|
1478 | 8a7ddc38 | bellard | } |
1479 | 8a7ddc38 | bellard | |
1480 | 8a7ddc38 | bellard | /***********************************************************/
|
1481 | 8a7ddc38 | bellard | /* cpu save/restore */
|
1482 | 8a7ddc38 | bellard | |
1483 | 8a7ddc38 | bellard | #if defined(TARGET_I386)
|
1484 | 8a7ddc38 | bellard | |
1485 | 8a7ddc38 | bellard | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) |
1486 | 8a7ddc38 | bellard | { |
1487 | 8a7ddc38 | bellard | qemu_put_be32(f, (uint32_t)dt->base); |
1488 | 8a7ddc38 | bellard | qemu_put_be32(f, dt->limit); |
1489 | 8a7ddc38 | bellard | qemu_put_be32(f, dt->flags); |
1490 | 8a7ddc38 | bellard | } |
1491 | 8a7ddc38 | bellard | |
1492 | 8a7ddc38 | bellard | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) |
1493 | 8a7ddc38 | bellard | { |
1494 | 8a7ddc38 | bellard | dt->base = (uint8_t *)qemu_get_be32(f); |
1495 | 8a7ddc38 | bellard | dt->limit = qemu_get_be32(f); |
1496 | 8a7ddc38 | bellard | dt->flags = qemu_get_be32(f); |
1497 | 8a7ddc38 | bellard | } |
1498 | 8a7ddc38 | bellard | |
1499 | 8a7ddc38 | bellard | void cpu_save(QEMUFile *f, void *opaque) |
1500 | 8a7ddc38 | bellard | { |
1501 | 8a7ddc38 | bellard | CPUState *env = opaque; |
1502 | 8a7ddc38 | bellard | uint16_t fptag, fpus, fpuc; |
1503 | 8a7ddc38 | bellard | uint32_t hflags; |
1504 | 8a7ddc38 | bellard | int i;
|
1505 | 8a7ddc38 | bellard | |
1506 | 8a7ddc38 | bellard | for(i = 0; i < 8; i++) |
1507 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->regs[i]); |
1508 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->eip); |
1509 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->eflags); |
1510 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->eflags); |
1511 | 8a7ddc38 | bellard | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
|
1512 | 8a7ddc38 | bellard | qemu_put_be32s(f, &hflags); |
1513 | 8a7ddc38 | bellard | |
1514 | 8a7ddc38 | bellard | /* FPU */
|
1515 | 8a7ddc38 | bellard | fpuc = env->fpuc; |
1516 | 8a7ddc38 | bellard | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
1517 | 8a7ddc38 | bellard | fptag = 0;
|
1518 | 8a7ddc38 | bellard | for (i=7; i>=0; i--) { |
1519 | 8a7ddc38 | bellard | fptag <<= 2;
|
1520 | 8a7ddc38 | bellard | if (env->fptags[i]) {
|
1521 | 8a7ddc38 | bellard | fptag |= 3;
|
1522 | 8a7ddc38 | bellard | } |
1523 | 8a7ddc38 | bellard | } |
1524 | 8a7ddc38 | bellard | |
1525 | 8a7ddc38 | bellard | qemu_put_be16s(f, &fpuc); |
1526 | 8a7ddc38 | bellard | qemu_put_be16s(f, &fpus); |
1527 | 8a7ddc38 | bellard | qemu_put_be16s(f, &fptag); |
1528 | 8a7ddc38 | bellard | |
1529 | 8a7ddc38 | bellard | for(i = 0; i < 8; i++) { |
1530 | 8a7ddc38 | bellard | uint64_t mant; |
1531 | 8a7ddc38 | bellard | uint16_t exp; |
1532 | 8a7ddc38 | bellard | cpu_get_fp80(&mant, &exp, env->fpregs[i]); |
1533 | 8a7ddc38 | bellard | qemu_put_be64(f, mant); |
1534 | 8a7ddc38 | bellard | qemu_put_be16(f, exp); |
1535 | 8a7ddc38 | bellard | } |
1536 | 8a7ddc38 | bellard | |
1537 | 8a7ddc38 | bellard | for(i = 0; i < 6; i++) |
1538 | 8a7ddc38 | bellard | cpu_put_seg(f, &env->segs[i]); |
1539 | 8a7ddc38 | bellard | cpu_put_seg(f, &env->ldt); |
1540 | 8a7ddc38 | bellard | cpu_put_seg(f, &env->tr); |
1541 | 8a7ddc38 | bellard | cpu_put_seg(f, &env->gdt); |
1542 | 8a7ddc38 | bellard | cpu_put_seg(f, &env->idt); |
1543 | 8a7ddc38 | bellard | |
1544 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->sysenter_cs); |
1545 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->sysenter_esp); |
1546 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->sysenter_eip); |
1547 | 8a7ddc38 | bellard | |
1548 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->cr[0]);
|
1549 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->cr[2]);
|
1550 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->cr[3]);
|
1551 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->cr[4]);
|
1552 | 8a7ddc38 | bellard | |
1553 | 8a7ddc38 | bellard | for(i = 0; i < 8; i++) |
1554 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->dr[i]); |
1555 | 8a7ddc38 | bellard | |
1556 | 8a7ddc38 | bellard | /* MMU */
|
1557 | 8a7ddc38 | bellard | qemu_put_be32s(f, &env->a20_mask); |
1558 | 8a7ddc38 | bellard | } |
1559 | 8a7ddc38 | bellard | |
1560 | 8a7ddc38 | bellard | int cpu_load(QEMUFile *f, void *opaque, int version_id) |
1561 | 8a7ddc38 | bellard | { |
1562 | 8a7ddc38 | bellard | CPUState *env = opaque; |
1563 | 8a7ddc38 | bellard | int i;
|
1564 | 8a7ddc38 | bellard | uint32_t hflags; |
1565 | 8a7ddc38 | bellard | uint16_t fpus, fpuc, fptag; |
1566 | 8a7ddc38 | bellard | |
1567 | 8a7ddc38 | bellard | if (version_id != 1) |
1568 | 8a7ddc38 | bellard | return -EINVAL;
|
1569 | 8a7ddc38 | bellard | for(i = 0; i < 8; i++) |
1570 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->regs[i]); |
1571 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->eip); |
1572 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->eflags); |
1573 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->eflags); |
1574 | 8a7ddc38 | bellard | qemu_get_be32s(f, &hflags); |
1575 | 8a7ddc38 | bellard | |
1576 | 8a7ddc38 | bellard | qemu_get_be16s(f, &fpuc); |
1577 | 8a7ddc38 | bellard | qemu_get_be16s(f, &fpus); |
1578 | 8a7ddc38 | bellard | qemu_get_be16s(f, &fptag); |
1579 | 8a7ddc38 | bellard | |
1580 | 8a7ddc38 | bellard | for(i = 0; i < 8; i++) { |
1581 | 8a7ddc38 | bellard | uint64_t mant; |
1582 | 8a7ddc38 | bellard | uint16_t exp; |
1583 | 8a7ddc38 | bellard | mant = qemu_get_be64(f); |
1584 | 8a7ddc38 | bellard | exp = qemu_get_be16(f); |
1585 | 8a7ddc38 | bellard | env->fpregs[i] = cpu_set_fp80(mant, exp); |
1586 | 8a7ddc38 | bellard | } |
1587 | 8a7ddc38 | bellard | |
1588 | 8a7ddc38 | bellard | env->fpuc = fpuc; |
1589 | 8a7ddc38 | bellard | env->fpstt = (fpus >> 11) & 7; |
1590 | 8a7ddc38 | bellard | env->fpus = fpus & ~0x3800;
|
1591 | 8a7ddc38 | bellard | for(i = 0; i < 8; i++) { |
1592 | 8a7ddc38 | bellard | env->fptags[i] = ((fptag & 3) == 3); |
1593 | 8a7ddc38 | bellard | fptag >>= 2;
|
1594 | 8a7ddc38 | bellard | } |
1595 | 8a7ddc38 | bellard | |
1596 | 8a7ddc38 | bellard | for(i = 0; i < 6; i++) |
1597 | 8a7ddc38 | bellard | cpu_get_seg(f, &env->segs[i]); |
1598 | 8a7ddc38 | bellard | cpu_get_seg(f, &env->ldt); |
1599 | 8a7ddc38 | bellard | cpu_get_seg(f, &env->tr); |
1600 | 8a7ddc38 | bellard | cpu_get_seg(f, &env->gdt); |
1601 | 8a7ddc38 | bellard | cpu_get_seg(f, &env->idt); |
1602 | 8a7ddc38 | bellard | |
1603 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->sysenter_cs); |
1604 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->sysenter_esp); |
1605 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->sysenter_eip); |
1606 | 8a7ddc38 | bellard | |
1607 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->cr[0]);
|
1608 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->cr[2]);
|
1609 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->cr[3]);
|
1610 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->cr[4]);
|
1611 | 8a7ddc38 | bellard | |
1612 | 8a7ddc38 | bellard | for(i = 0; i < 8; i++) |
1613 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->dr[i]); |
1614 | 8a7ddc38 | bellard | |
1615 | 8a7ddc38 | bellard | /* MMU */
|
1616 | 8a7ddc38 | bellard | qemu_get_be32s(f, &env->a20_mask); |
1617 | 8a7ddc38 | bellard | |
1618 | 8a7ddc38 | bellard | /* XXX: compute hflags from scratch, except for CPL and IIF */
|
1619 | 8a7ddc38 | bellard | env->hflags = hflags; |
1620 | 8a7ddc38 | bellard | tlb_flush(env, 1);
|
1621 | 8a7ddc38 | bellard | return 0; |
1622 | 8a7ddc38 | bellard | } |
1623 | 8a7ddc38 | bellard | |
1624 | a541f297 | bellard | #elif defined(TARGET_PPC)
|
1625 | a541f297 | bellard | void cpu_save(QEMUFile *f, void *opaque) |
1626 | a541f297 | bellard | { |
1627 | a541f297 | bellard | } |
1628 | a541f297 | bellard | |
1629 | a541f297 | bellard | int cpu_load(QEMUFile *f, void *opaque, int version_id) |
1630 | a541f297 | bellard | { |
1631 | a541f297 | bellard | return 0; |
1632 | a541f297 | bellard | } |
1633 | 8a7ddc38 | bellard | #else
|
1634 | 8a7ddc38 | bellard | |
1635 | 8a7ddc38 | bellard | #warning No CPU save/restore functions
|
1636 | 8a7ddc38 | bellard | |
1637 | 8a7ddc38 | bellard | #endif
|
1638 | 8a7ddc38 | bellard | |
1639 | 8a7ddc38 | bellard | /***********************************************************/
|
1640 | 8a7ddc38 | bellard | /* ram save/restore */
|
1641 | 8a7ddc38 | bellard | |
1642 | 8a7ddc38 | bellard | /* we just avoid storing empty pages */
|
1643 | 8a7ddc38 | bellard | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) |
1644 | 8a7ddc38 | bellard | { |
1645 | 8a7ddc38 | bellard | int i, v;
|
1646 | 8a7ddc38 | bellard | |
1647 | 8a7ddc38 | bellard | v = buf[0];
|
1648 | 8a7ddc38 | bellard | for(i = 1; i < len; i++) { |
1649 | 8a7ddc38 | bellard | if (buf[i] != v)
|
1650 | 8a7ddc38 | bellard | goto normal_save;
|
1651 | 8a7ddc38 | bellard | } |
1652 | 8a7ddc38 | bellard | qemu_put_byte(f, 1);
|
1653 | 8a7ddc38 | bellard | qemu_put_byte(f, v); |
1654 | 8a7ddc38 | bellard | return;
|
1655 | 8a7ddc38 | bellard | normal_save:
|
1656 | 8a7ddc38 | bellard | qemu_put_byte(f, 0);
|
1657 | 8a7ddc38 | bellard | qemu_put_buffer(f, buf, len); |
1658 | 8a7ddc38 | bellard | } |
1659 | 8a7ddc38 | bellard | |
1660 | 8a7ddc38 | bellard | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
1661 | 8a7ddc38 | bellard | { |
1662 | 8a7ddc38 | bellard | int v;
|
1663 | 8a7ddc38 | bellard | |
1664 | 8a7ddc38 | bellard | v = qemu_get_byte(f); |
1665 | 8a7ddc38 | bellard | switch(v) {
|
1666 | 8a7ddc38 | bellard | case 0: |
1667 | 8a7ddc38 | bellard | if (qemu_get_buffer(f, buf, len) != len)
|
1668 | 8a7ddc38 | bellard | return -EIO;
|
1669 | 8a7ddc38 | bellard | break;
|
1670 | 8a7ddc38 | bellard | case 1: |
1671 | 8a7ddc38 | bellard | v = qemu_get_byte(f); |
1672 | 8a7ddc38 | bellard | memset(buf, v, len); |
1673 | 8a7ddc38 | bellard | break;
|
1674 | 8a7ddc38 | bellard | default:
|
1675 | 8a7ddc38 | bellard | return -EINVAL;
|
1676 | 8a7ddc38 | bellard | } |
1677 | 8a7ddc38 | bellard | return 0; |
1678 | 8a7ddc38 | bellard | } |
1679 | 8a7ddc38 | bellard | |
1680 | 8a7ddc38 | bellard | static void ram_save(QEMUFile *f, void *opaque) |
1681 | 8a7ddc38 | bellard | { |
1682 | 8a7ddc38 | bellard | int i;
|
1683 | 8a7ddc38 | bellard | qemu_put_be32(f, phys_ram_size); |
1684 | 8a7ddc38 | bellard | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
1685 | 8a7ddc38 | bellard | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
1686 | 8a7ddc38 | bellard | } |
1687 | 8a7ddc38 | bellard | } |
1688 | 8a7ddc38 | bellard | |
1689 | 8a7ddc38 | bellard | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
1690 | 8a7ddc38 | bellard | { |
1691 | 8a7ddc38 | bellard | int i, ret;
|
1692 | 8a7ddc38 | bellard | |
1693 | 8a7ddc38 | bellard | if (version_id != 1) |
1694 | 8a7ddc38 | bellard | return -EINVAL;
|
1695 | 8a7ddc38 | bellard | if (qemu_get_be32(f) != phys_ram_size)
|
1696 | 8a7ddc38 | bellard | return -EINVAL;
|
1697 | 8a7ddc38 | bellard | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
1698 | 8a7ddc38 | bellard | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
1699 | 8a7ddc38 | bellard | if (ret)
|
1700 | 8a7ddc38 | bellard | return ret;
|
1701 | 8a7ddc38 | bellard | } |
1702 | 8a7ddc38 | bellard | return 0; |
1703 | 8a7ddc38 | bellard | } |
1704 | 8a7ddc38 | bellard | |
1705 | 8a7ddc38 | bellard | /***********************************************************/
|
1706 | 8a7ddc38 | bellard | /* main execution loop */
|
1707 | 8a7ddc38 | bellard | |
1708 | 8a7ddc38 | bellard | void gui_update(void *opaque) |
1709 | 8a7ddc38 | bellard | { |
1710 | 8a7ddc38 | bellard | display_state.dpy_refresh(&display_state); |
1711 | 8a7ddc38 | bellard | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); |
1712 | 8a7ddc38 | bellard | } |
1713 | 8a7ddc38 | bellard | |
1714 | 8a7ddc38 | bellard | /* XXX: support several handlers */
|
1715 | 8a7ddc38 | bellard | VMStopHandler *vm_stop_cb; |
1716 | 8a7ddc38 | bellard | VMStopHandler *vm_stop_opaque; |
1717 | 8a7ddc38 | bellard | |
1718 | 8a7ddc38 | bellard | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) |
1719 | 8a7ddc38 | bellard | { |
1720 | 8a7ddc38 | bellard | vm_stop_cb = cb; |
1721 | 8a7ddc38 | bellard | vm_stop_opaque = opaque; |
1722 | 8a7ddc38 | bellard | return 0; |
1723 | 8a7ddc38 | bellard | } |
1724 | 8a7ddc38 | bellard | |
1725 | 8a7ddc38 | bellard | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) |
1726 | 8a7ddc38 | bellard | { |
1727 | 8a7ddc38 | bellard | vm_stop_cb = NULL;
|
1728 | 8a7ddc38 | bellard | } |
1729 | 8a7ddc38 | bellard | |
1730 | 8a7ddc38 | bellard | void vm_start(void) |
1731 | 8a7ddc38 | bellard | { |
1732 | 8a7ddc38 | bellard | if (!vm_running) {
|
1733 | 8a7ddc38 | bellard | cpu_enable_ticks(); |
1734 | 8a7ddc38 | bellard | vm_running = 1;
|
1735 | 8a7ddc38 | bellard | } |
1736 | 8a7ddc38 | bellard | } |
1737 | 8a7ddc38 | bellard | |
1738 | 8a7ddc38 | bellard | void vm_stop(int reason) |
1739 | 8a7ddc38 | bellard | { |
1740 | 8a7ddc38 | bellard | if (vm_running) {
|
1741 | 8a7ddc38 | bellard | cpu_disable_ticks(); |
1742 | 8a7ddc38 | bellard | vm_running = 0;
|
1743 | 8a7ddc38 | bellard | if (reason != 0) { |
1744 | 8a7ddc38 | bellard | if (vm_stop_cb) {
|
1745 | 8a7ddc38 | bellard | vm_stop_cb(vm_stop_opaque, reason); |
1746 | 8a7ddc38 | bellard | } |
1747 | 34865134 | bellard | } |
1748 | 8a7ddc38 | bellard | } |
1749 | 8a7ddc38 | bellard | } |
1750 | 8a7ddc38 | bellard | |
1751 | 8a7ddc38 | bellard | int main_loop(void) |
1752 | 8a7ddc38 | bellard | { |
1753 | 67b915a5 | bellard | #ifndef _WIN32
|
1754 | 8a7ddc38 | bellard | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
1755 | 8a7ddc38 | bellard | IOHandlerRecord *ioh, *ioh_next; |
1756 | 67b915a5 | bellard | uint8_t buf[4096];
|
1757 | 67b915a5 | bellard | int n, max_size;
|
1758 | 67b915a5 | bellard | #endif
|
1759 | 67b915a5 | bellard | int ret, timeout;
|
1760 | 8a7ddc38 | bellard | CPUState *env = global_env; |
1761 | 8a7ddc38 | bellard | |
1762 | 8a7ddc38 | bellard | for(;;) {
|
1763 | 8a7ddc38 | bellard | if (vm_running) {
|
1764 | 8a7ddc38 | bellard | ret = cpu_exec(env); |
1765 | 8a7ddc38 | bellard | if (reset_requested) {
|
1766 | 8a7ddc38 | bellard | ret = EXCP_INTERRUPT; |
1767 | 8a7ddc38 | bellard | break;
|
1768 | 8a7ddc38 | bellard | } |
1769 | 8a7ddc38 | bellard | if (ret == EXCP_DEBUG) {
|
1770 | 8a7ddc38 | bellard | vm_stop(EXCP_DEBUG); |
1771 | 8a7ddc38 | bellard | } |
1772 | 8a7ddc38 | bellard | /* if hlt instruction, we wait until the next IRQ */
|
1773 | 8a7ddc38 | bellard | /* XXX: use timeout computed from timers */
|
1774 | 8a7ddc38 | bellard | if (ret == EXCP_HLT)
|
1775 | 8a7ddc38 | bellard | timeout = 10;
|
1776 | 8a7ddc38 | bellard | else
|
1777 | 8a7ddc38 | bellard | timeout = 0;
|
1778 | 8a7ddc38 | bellard | } else {
|
1779 | b4608c04 | bellard | timeout = 10;
|
1780 | 8a7ddc38 | bellard | } |
1781 | c4b1fcc0 | bellard | |
1782 | 38e205a2 | bellard | #ifdef _WIN32
|
1783 | 38e205a2 | bellard | if (timeout > 0) |
1784 | 38e205a2 | bellard | Sleep(timeout); |
1785 | 38e205a2 | bellard | #else
|
1786 | 38e205a2 | bellard | |
1787 | b4608c04 | bellard | /* poll any events */
|
1788 | 8a7ddc38 | bellard | /* XXX: separate device handlers from system ones */
|
1789 | b4608c04 | bellard | pf = ufds; |
1790 | 8a7ddc38 | bellard | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
1791 | 8a7ddc38 | bellard | if (!ioh->fd_can_read) {
|
1792 | 8a7ddc38 | bellard | max_size = 0;
|
1793 | c4b1fcc0 | bellard | pf->fd = ioh->fd; |
1794 | c4b1fcc0 | bellard | pf->events = POLLIN; |
1795 | c4b1fcc0 | bellard | ioh->ufd = pf; |
1796 | c4b1fcc0 | bellard | pf++; |
1797 | c4b1fcc0 | bellard | } else {
|
1798 | 8a7ddc38 | bellard | max_size = ioh->fd_can_read(ioh->opaque); |
1799 | 8a7ddc38 | bellard | if (max_size > 0) { |
1800 | 8a7ddc38 | bellard | if (max_size > sizeof(buf)) |
1801 | 8a7ddc38 | bellard | max_size = sizeof(buf);
|
1802 | 8a7ddc38 | bellard | pf->fd = ioh->fd; |
1803 | 8a7ddc38 | bellard | pf->events = POLLIN; |
1804 | 8a7ddc38 | bellard | ioh->ufd = pf; |
1805 | 8a7ddc38 | bellard | pf++; |
1806 | 8a7ddc38 | bellard | } else {
|
1807 | 8a7ddc38 | bellard | ioh->ufd = NULL;
|
1808 | 8a7ddc38 | bellard | } |
1809 | c4b1fcc0 | bellard | } |
1810 | c4b1fcc0 | bellard | ioh->max_size = max_size; |
1811 | b4608c04 | bellard | } |
1812 | 73332e5c | bellard | |
1813 | b4608c04 | bellard | ret = poll(ufds, pf - ufds, timeout); |
1814 | b4608c04 | bellard | if (ret > 0) { |
1815 | 8a7ddc38 | bellard | /* XXX: better handling of removal */
|
1816 | 8a7ddc38 | bellard | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { |
1817 | 8a7ddc38 | bellard | ioh_next = ioh->next; |
1818 | c4b1fcc0 | bellard | pf = ioh->ufd; |
1819 | c4b1fcc0 | bellard | if (pf) {
|
1820 | 8a7ddc38 | bellard | if (pf->revents & POLLIN) {
|
1821 | 8a7ddc38 | bellard | if (ioh->max_size == 0) { |
1822 | 8a7ddc38 | bellard | /* just a read event */
|
1823 | 8a7ddc38 | bellard | ioh->fd_read(ioh->opaque, NULL, 0); |
1824 | 8a7ddc38 | bellard | } else {
|
1825 | 8a7ddc38 | bellard | n = read(ioh->fd, buf, ioh->max_size); |
1826 | 8a7ddc38 | bellard | if (n >= 0) { |
1827 | 8a7ddc38 | bellard | ioh->fd_read(ioh->opaque, buf, n); |
1828 | 8a7ddc38 | bellard | } else if (errno != -EAGAIN) { |
1829 | 8a7ddc38 | bellard | ioh->fd_read(ioh->opaque, NULL, -errno);
|
1830 | 8a7ddc38 | bellard | } |
1831 | 8a7ddc38 | bellard | } |
1832 | b4608c04 | bellard | } |
1833 | b4608c04 | bellard | } |
1834 | b4608c04 | bellard | } |
1835 | b4608c04 | bellard | } |
1836 | c20709aa | bellard | |
1837 | c20709aa | bellard | #if defined(CONFIG_SLIRP)
|
1838 | c20709aa | bellard | /* XXX: merge with poll() */
|
1839 | c20709aa | bellard | if (slirp_inited) {
|
1840 | c20709aa | bellard | fd_set rfds, wfds, xfds; |
1841 | c20709aa | bellard | int nfds;
|
1842 | c20709aa | bellard | struct timeval tv;
|
1843 | c20709aa | bellard | |
1844 | c20709aa | bellard | nfds = -1;
|
1845 | c20709aa | bellard | FD_ZERO(&rfds); |
1846 | c20709aa | bellard | FD_ZERO(&wfds); |
1847 | c20709aa | bellard | FD_ZERO(&xfds); |
1848 | c20709aa | bellard | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
1849 | c20709aa | bellard | tv.tv_sec = 0;
|
1850 | c20709aa | bellard | tv.tv_usec = 0;
|
1851 | c20709aa | bellard | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
1852 | c20709aa | bellard | if (ret >= 0) { |
1853 | c20709aa | bellard | slirp_select_poll(&rfds, &wfds, &xfds); |
1854 | c20709aa | bellard | } |
1855 | c20709aa | bellard | } |
1856 | c20709aa | bellard | #endif
|
1857 | c20709aa | bellard | |
1858 | 67b915a5 | bellard | #endif
|
1859 | b4608c04 | bellard | |
1860 | 8a7ddc38 | bellard | if (vm_running) {
|
1861 | 8a7ddc38 | bellard | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
1862 | 8a7ddc38 | bellard | qemu_get_clock(vm_clock)); |
1863 | 8a7ddc38 | bellard | |
1864 | aaaa7df6 | bellard | if (audio_enabled) {
|
1865 | aaaa7df6 | bellard | /* XXX: add explicit timer */
|
1866 | aaaa7df6 | bellard | SB16_run(); |
1867 | aaaa7df6 | bellard | } |
1868 | 8a7ddc38 | bellard | |
1869 | 8a7ddc38 | bellard | /* run dma transfers, if any */
|
1870 | 8a7ddc38 | bellard | DMA_run(); |
1871 | b4608c04 | bellard | } |
1872 | 313aa567 | bellard | |
1873 | 8a7ddc38 | bellard | /* real time timers */
|
1874 | 8a7ddc38 | bellard | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
1875 | 8a7ddc38 | bellard | qemu_get_clock(rt_clock)); |
1876 | b4608c04 | bellard | } |
1877 | 34865134 | bellard | cpu_disable_ticks(); |
1878 | 34865134 | bellard | return ret;
|
1879 | b4608c04 | bellard | } |
1880 | b4608c04 | bellard | |
1881 | 0824d6fc | bellard | void help(void) |
1882 | 0824d6fc | bellard | { |
1883 | aaaa7df6 | bellard | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
1884 | 0db63474 | bellard | "usage: %s [options] [disk_image]\n"
|
1885 | 0824d6fc | bellard | "\n"
|
1886 | a20dd508 | bellard | "'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
1887 | fc01f7e7 | bellard | "\n"
|
1888 | a20dd508 | bellard | "Standard options:\n"
|
1889 | c45886db | bellard | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
1890 | 36b486bb | bellard | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
1891 | 36b486bb | bellard | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
1892 | c4b1fcc0 | bellard | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
1893 | 6e44ba7f | bellard | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n"
|
1894 | a20dd508 | bellard | "-snapshot write to temporary files instead of disk image files\n"
|
1895 | a20dd508 | bellard | "-m megs set virtual RAM size to megs MB\n"
|
1896 | c4b1fcc0 | bellard | "-nographic disable graphical output and redirect serial I/Os to console\n"
|
1897 | aaaa7df6 | bellard | "-enable-audio enable audio support\n"
|
1898 | c4b1fcc0 | bellard | "\n"
|
1899 | c4b1fcc0 | bellard | "Network options:\n"
|
1900 | c20709aa | bellard | "-nics n simulate 'n' network cards [default=1]\n"
|
1901 | 702c651c | bellard | "-macaddr addr set the mac address of the first interface\n"
|
1902 | c20709aa | bellard | "-n script set tap/tun network init script [default=%s]\n"
|
1903 | c20709aa | bellard | "-tun-fd fd use this fd as already opened tap/tun interface\n"
|
1904 | c20709aa | bellard | #ifdef CONFIG_SLIRP
|
1905 | c20709aa | bellard | "-user-net use user mode network stack [default if no tap/tun script]\n"
|
1906 | c20709aa | bellard | #endif
|
1907 | c20709aa | bellard | "-dummy-net use dummy network stack\n"
|
1908 | a20dd508 | bellard | "\n"
|
1909 | c4b1fcc0 | bellard | "Linux boot specific:\n"
|
1910 | a20dd508 | bellard | "-kernel bzImage use 'bzImage' as kernel image\n"
|
1911 | a20dd508 | bellard | "-append cmdline use 'cmdline' as kernel command line\n"
|
1912 | a20dd508 | bellard | "-initrd file use 'file' as initial ram disk\n"
|
1913 | fc01f7e7 | bellard | "\n"
|
1914 | 330d0414 | bellard | "Debug/Expert options:\n"
|
1915 | a20dd508 | bellard | "-s wait gdb connection to port %d\n"
|
1916 | a20dd508 | bellard | "-p port change gdb connection port\n"
|
1917 | f193c797 | bellard | "-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
1918 | a20dd508 | bellard | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n"
|
1919 | a20dd508 | bellard | "-L path set the directory for the BIOS and VGA BIOS\n"
|
1920 | 77fef8c1 | bellard | #ifdef USE_CODE_COPY
|
1921 | 77fef8c1 | bellard | "-no-code-copy disable code copy acceleration\n"
|
1922 | 77fef8c1 | bellard | #endif
|
1923 | 77fef8c1 | bellard | |
1924 | 0824d6fc | bellard | "\n"
|
1925 | f1510b2c | bellard | "During emulation, use C-a h to get terminal commands:\n",
|
1926 | 0db63474 | bellard | #ifdef CONFIG_SOFTMMU
|
1927 | 0db63474 | bellard | "qemu",
|
1928 | 0db63474 | bellard | #else
|
1929 | 0db63474 | bellard | "qemu-fast",
|
1930 | 0db63474 | bellard | #endif
|
1931 | 0db63474 | bellard | DEFAULT_NETWORK_SCRIPT, |
1932 | 6e44ba7f | bellard | DEFAULT_GDBSTUB_PORT, |
1933 | 6e44ba7f | bellard | "/tmp/qemu.log");
|
1934 | 0824d6fc | bellard | term_print_help(); |
1935 | 0db63474 | bellard | #ifndef CONFIG_SOFTMMU
|
1936 | 0db63474 | bellard | printf("\n"
|
1937 | 0db63474 | bellard | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
|
1938 | 0db63474 | bellard | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
|
1939 | 0db63474 | bellard | "PC emulation.\n");
|
1940 | 0db63474 | bellard | #endif
|
1941 | 0824d6fc | bellard | exit(1);
|
1942 | 0824d6fc | bellard | } |
1943 | 0824d6fc | bellard | |
1944 | fc01f7e7 | bellard | struct option long_options[] = {
|
1945 | fc01f7e7 | bellard | { "initrd", 1, NULL, 0, }, |
1946 | fc01f7e7 | bellard | { "hda", 1, NULL, 0, }, |
1947 | fc01f7e7 | bellard | { "hdb", 1, NULL, 0, }, |
1948 | 33e3963e | bellard | { "snapshot", 0, NULL, 0, }, |
1949 | 330d0414 | bellard | { "hdachs", 1, NULL, 0, }, |
1950 | a20dd508 | bellard | { "nographic", 0, NULL, 0, }, |
1951 | a20dd508 | bellard | { "kernel", 1, NULL, 0, }, |
1952 | a20dd508 | bellard | { "append", 1, NULL, 0, }, |
1953 | 42f1e0e4 | bellard | { "tun-fd", 1, NULL, 0, }, |
1954 | 36b486bb | bellard | { "hdc", 1, NULL, 0, }, |
1955 | 36b486bb | bellard | { "hdd", 1, NULL, 0, }, |
1956 | 36b486bb | bellard | { "cdrom", 1, NULL, 0, }, |
1957 | 36b486bb | bellard | { "boot", 1, NULL, 0, }, |
1958 | c45886db | bellard | { "fda", 1, NULL, 0, }, |
1959 | c45886db | bellard | { "fdb", 1, NULL, 0, }, |
1960 | c4b1fcc0 | bellard | { "no-code-copy", 0, NULL, 0 }, |
1961 | c4b1fcc0 | bellard | { "nics", 1, NULL, 0 }, |
1962 | 702c651c | bellard | { "macaddr", 1, NULL, 0 }, |
1963 | f6bac380 | bellard | { "user-net", 0, NULL, 0 }, |
1964 | f6bac380 | bellard | { "dummy-net", 0, NULL, 0 }, |
1965 | aaaa7df6 | bellard | { "enable-audio", 0, NULL, 0 }, |
1966 | fc01f7e7 | bellard | { NULL, 0, NULL, 0 }, |
1967 | fc01f7e7 | bellard | }; |
1968 | fc01f7e7 | bellard | |
1969 | 77fef8c1 | bellard | #if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
1970 | 77fef8c1 | bellard | |
1971 | 77fef8c1 | bellard | /* this stack is only used during signal handling */
|
1972 | 77fef8c1 | bellard | #define SIGNAL_STACK_SIZE 32768 |
1973 | 77fef8c1 | bellard | |
1974 | 77fef8c1 | bellard | static uint8_t *signal_stack;
|
1975 | 77fef8c1 | bellard | |
1976 | 77fef8c1 | bellard | #endif
|
1977 | 77fef8c1 | bellard | |
1978 | c20709aa | bellard | #define NET_IF_TUN 0 |
1979 | c20709aa | bellard | #define NET_IF_USER 1 |
1980 | c20709aa | bellard | #define NET_IF_DUMMY 2 |
1981 | c20709aa | bellard | |
1982 | 0824d6fc | bellard | int main(int argc, char **argv) |
1983 | 0824d6fc | bellard | { |
1984 | 67b915a5 | bellard | #ifdef CONFIG_GDBSTUB
|
1985 | 67b915a5 | bellard | int use_gdbstub, gdbstub_port;
|
1986 | 67b915a5 | bellard | #endif
|
1987 | 67b915a5 | bellard | int c, i, long_index, has_cdrom;
|
1988 | 1ccde1cb | bellard | int snapshot, linux_boot;
|
1989 | c45886db | bellard | CPUState *env; |
1990 | 7f7f9873 | bellard | const char *initrd_filename; |
1991 | c45886db | bellard | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
1992 | a20dd508 | bellard | const char *kernel_filename, *kernel_cmdline; |
1993 | 313aa567 | bellard | DisplayState *ds = &display_state; |
1994 | c4b1fcc0 | bellard | int cyls, heads, secs;
|
1995 | a541f297 | bellard | int start_emulation = 1; |
1996 | 702c651c | bellard | uint8_t macaddr[6];
|
1997 | c20709aa | bellard | int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
|
1998 | c20709aa | bellard | |
1999 | 67b915a5 | bellard | #if !defined(CONFIG_SOFTMMU)
|
2000 | 0824d6fc | bellard | /* we never want that malloc() uses mmap() */
|
2001 | 0824d6fc | bellard | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); |
2002 | 67b915a5 | bellard | #endif
|
2003 | fc01f7e7 | bellard | initrd_filename = NULL;
|
2004 | c45886db | bellard | for(i = 0; i < MAX_FD; i++) |
2005 | c45886db | bellard | fd_filename[i] = NULL;
|
2006 | fc01f7e7 | bellard | for(i = 0; i < MAX_DISKS; i++) |
2007 | fc01f7e7 | bellard | hd_filename[i] = NULL;
|
2008 | 1ccde1cb | bellard | ram_size = 32 * 1024 * 1024; |
2009 | 313aa567 | bellard | vga_ram_size = VGA_RAM_SIZE; |
2010 | f1510b2c | bellard | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
|
2011 | 67b915a5 | bellard | #ifdef CONFIG_GDBSTUB
|
2012 | b4608c04 | bellard | use_gdbstub = 0;
|
2013 | b4608c04 | bellard | gdbstub_port = DEFAULT_GDBSTUB_PORT; |
2014 | 67b915a5 | bellard | #endif
|
2015 | 33e3963e | bellard | snapshot = 0;
|
2016 | a20dd508 | bellard | nographic = 0;
|
2017 | a20dd508 | bellard | kernel_filename = NULL;
|
2018 | a20dd508 | bellard | kernel_cmdline = "";
|
2019 | c4b1fcc0 | bellard | has_cdrom = 1;
|
2020 | c4b1fcc0 | bellard | cyls = heads = secs = 0;
|
2021 | c4b1fcc0 | bellard | |
2022 | c20709aa | bellard | nb_tun_fds = 0;
|
2023 | c20709aa | bellard | net_if_type = -1;
|
2024 | c4b1fcc0 | bellard | nb_nics = 1;
|
2025 | 702c651c | bellard | /* default mac address of the first network interface */
|
2026 | 702c651c | bellard | macaddr[0] = 0x52; |
2027 | 702c651c | bellard | macaddr[1] = 0x54; |
2028 | 702c651c | bellard | macaddr[2] = 0x00; |
2029 | 702c651c | bellard | macaddr[3] = 0x12; |
2030 | 702c651c | bellard | macaddr[4] = 0x34; |
2031 | 702c651c | bellard | macaddr[5] = 0x56; |
2032 | c20709aa | bellard | |
2033 | c20709aa | bellard | |
2034 | 0824d6fc | bellard | for(;;) {
|
2035 | a541f297 | bellard | c = getopt_long_only(argc, argv, "hm:d:n:sp:L:S", long_options, &long_index);
|
2036 | 0824d6fc | bellard | if (c == -1) |
2037 | 0824d6fc | bellard | break;
|
2038 | 0824d6fc | bellard | switch(c) {
|
2039 | fc01f7e7 | bellard | case 0: |
2040 | fc01f7e7 | bellard | switch(long_index) {
|
2041 | fc01f7e7 | bellard | case 0: |
2042 | fc01f7e7 | bellard | initrd_filename = optarg; |
2043 | fc01f7e7 | bellard | break;
|
2044 | fc01f7e7 | bellard | case 1: |
2045 | fc01f7e7 | bellard | hd_filename[0] = optarg;
|
2046 | fc01f7e7 | bellard | break;
|
2047 | fc01f7e7 | bellard | case 2: |
2048 | fc01f7e7 | bellard | hd_filename[1] = optarg;
|
2049 | fc01f7e7 | bellard | break;
|
2050 | 33e3963e | bellard | case 3: |
2051 | 33e3963e | bellard | snapshot = 1;
|
2052 | 33e3963e | bellard | break;
|
2053 | 330d0414 | bellard | case 4: |
2054 | 330d0414 | bellard | { |
2055 | 330d0414 | bellard | const char *p; |
2056 | 330d0414 | bellard | p = optarg; |
2057 | 330d0414 | bellard | cyls = strtol(p, (char **)&p, 0); |
2058 | 330d0414 | bellard | if (*p != ',') |
2059 | 330d0414 | bellard | goto chs_fail;
|
2060 | 330d0414 | bellard | p++; |
2061 | 330d0414 | bellard | heads = strtol(p, (char **)&p, 0); |
2062 | 330d0414 | bellard | if (*p != ',') |
2063 | 330d0414 | bellard | goto chs_fail;
|
2064 | 330d0414 | bellard | p++; |
2065 | 330d0414 | bellard | secs = strtol(p, (char **)&p, 0); |
2066 | c4b1fcc0 | bellard | if (*p != '\0') { |
2067 | c4b1fcc0 | bellard | chs_fail:
|
2068 | c4b1fcc0 | bellard | cyls = 0;
|
2069 | c4b1fcc0 | bellard | } |
2070 | 330d0414 | bellard | } |
2071 | 330d0414 | bellard | break;
|
2072 | 313aa567 | bellard | case 5: |
2073 | a20dd508 | bellard | nographic = 1;
|
2074 | a20dd508 | bellard | break;
|
2075 | a20dd508 | bellard | case 6: |
2076 | a20dd508 | bellard | kernel_filename = optarg; |
2077 | a20dd508 | bellard | break;
|
2078 | a20dd508 | bellard | case 7: |
2079 | a20dd508 | bellard | kernel_cmdline = optarg; |
2080 | 313aa567 | bellard | break;
|
2081 | 42f1e0e4 | bellard | case 8: |
2082 | c4b1fcc0 | bellard | { |
2083 | c4b1fcc0 | bellard | const char *p; |
2084 | c4b1fcc0 | bellard | int fd;
|
2085 | c20709aa | bellard | if (nb_tun_fds < MAX_NICS) {
|
2086 | c20709aa | bellard | fd = strtol(optarg, (char **)&p, 0); |
2087 | c20709aa | bellard | if (*p != '\0') { |
2088 | c20709aa | bellard | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
|
2089 | c4b1fcc0 | bellard | exit(1);
|
2090 | c4b1fcc0 | bellard | } |
2091 | c20709aa | bellard | tun_fds[nb_tun_fds++] = fd; |
2092 | c4b1fcc0 | bellard | } |
2093 | c4b1fcc0 | bellard | } |
2094 | 42f1e0e4 | bellard | break;
|
2095 | 36b486bb | bellard | case 9: |
2096 | 36b486bb | bellard | hd_filename[2] = optarg;
|
2097 | c4b1fcc0 | bellard | has_cdrom = 0;
|
2098 | 36b486bb | bellard | break;
|
2099 | 36b486bb | bellard | case 10: |
2100 | 36b486bb | bellard | hd_filename[3] = optarg;
|
2101 | 36b486bb | bellard | break;
|
2102 | 36b486bb | bellard | case 11: |
2103 | 36b486bb | bellard | hd_filename[2] = optarg;
|
2104 | c4b1fcc0 | bellard | has_cdrom = 1;
|
2105 | 36b486bb | bellard | break;
|
2106 | 36b486bb | bellard | case 12: |
2107 | 36b486bb | bellard | boot_device = optarg[0];
|
2108 | c45886db | bellard | if (boot_device != 'a' && boot_device != 'b' && |
2109 | c45886db | bellard | boot_device != 'c' && boot_device != 'd') { |
2110 | 36b486bb | bellard | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
|
2111 | 36b486bb | bellard | exit(1);
|
2112 | 36b486bb | bellard | } |
2113 | 36b486bb | bellard | break;
|
2114 | c45886db | bellard | case 13: |
2115 | c45886db | bellard | fd_filename[0] = optarg;
|
2116 | c45886db | bellard | break;
|
2117 | c45886db | bellard | case 14: |
2118 | c45886db | bellard | fd_filename[1] = optarg;
|
2119 | c45886db | bellard | break;
|
2120 | 77fef8c1 | bellard | case 15: |
2121 | 77fef8c1 | bellard | code_copy_enabled = 0;
|
2122 | 77fef8c1 | bellard | break;
|
2123 | c4b1fcc0 | bellard | case 16: |
2124 | c4b1fcc0 | bellard | nb_nics = atoi(optarg); |
2125 | c4b1fcc0 | bellard | if (nb_nics < 1 || nb_nics > MAX_NICS) { |
2126 | c4b1fcc0 | bellard | fprintf(stderr, "qemu: invalid number of network interfaces\n");
|
2127 | c4b1fcc0 | bellard | exit(1);
|
2128 | c4b1fcc0 | bellard | } |
2129 | c4b1fcc0 | bellard | break;
|
2130 | 702c651c | bellard | case 17: |
2131 | 702c651c | bellard | { |
2132 | 702c651c | bellard | const char *p; |
2133 | 702c651c | bellard | int i;
|
2134 | 702c651c | bellard | p = optarg; |
2135 | 702c651c | bellard | for(i = 0; i < 6; i++) { |
2136 | 702c651c | bellard | macaddr[i] = strtol(p, (char **)&p, 16); |
2137 | 702c651c | bellard | if (i == 5) { |
2138 | 702c651c | bellard | if (*p != '\0') |
2139 | 702c651c | bellard | goto macaddr_error;
|
2140 | 702c651c | bellard | } else {
|
2141 | 702c651c | bellard | if (*p != ':') { |
2142 | 702c651c | bellard | macaddr_error:
|
2143 | 702c651c | bellard | fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
|
2144 | 702c651c | bellard | exit(1);
|
2145 | 702c651c | bellard | } |
2146 | 702c651c | bellard | p++; |
2147 | 702c651c | bellard | } |
2148 | 702c651c | bellard | } |
2149 | 702c651c | bellard | } |
2150 | 702c651c | bellard | break;
|
2151 | c20709aa | bellard | case 18: |
2152 | c20709aa | bellard | net_if_type = NET_IF_USER; |
2153 | c20709aa | bellard | break;
|
2154 | c20709aa | bellard | case 19: |
2155 | c20709aa | bellard | net_if_type = NET_IF_DUMMY; |
2156 | c20709aa | bellard | break;
|
2157 | aaaa7df6 | bellard | case 20: |
2158 | aaaa7df6 | bellard | audio_enabled = 1;
|
2159 | aaaa7df6 | bellard | break;
|
2160 | fc01f7e7 | bellard | } |
2161 | fc01f7e7 | bellard | break;
|
2162 | 0824d6fc | bellard | case 'h': |
2163 | 0824d6fc | bellard | help(); |
2164 | 0824d6fc | bellard | break;
|
2165 | 0824d6fc | bellard | case 'm': |
2166 | 1ccde1cb | bellard | ram_size = atoi(optarg) * 1024 * 1024; |
2167 | 1ccde1cb | bellard | if (ram_size <= 0) |
2168 | 0824d6fc | bellard | help(); |
2169 | 1ccde1cb | bellard | if (ram_size > PHYS_RAM_MAX_SIZE) {
|
2170 | 36b486bb | bellard | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
|
2171 | 7916e224 | bellard | PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
2172 | 7916e224 | bellard | exit(1);
|
2173 | 7916e224 | bellard | } |
2174 | 0824d6fc | bellard | break;
|
2175 | 0824d6fc | bellard | case 'd': |
2176 | f193c797 | bellard | { |
2177 | f193c797 | bellard | int mask;
|
2178 | f193c797 | bellard | CPULogItem *item; |
2179 | f193c797 | bellard | |
2180 | f193c797 | bellard | mask = cpu_str_to_log_mask(optarg); |
2181 | f193c797 | bellard | if (!mask) {
|
2182 | f193c797 | bellard | printf("Log items (comma separated):\n");
|
2183 | f193c797 | bellard | for(item = cpu_log_items; item->mask != 0; item++) { |
2184 | f193c797 | bellard | printf("%-10s %s\n", item->name, item->help);
|
2185 | f193c797 | bellard | } |
2186 | f193c797 | bellard | exit(1);
|
2187 | f193c797 | bellard | } |
2188 | f193c797 | bellard | cpu_set_log(mask); |
2189 | f193c797 | bellard | } |
2190 | 0824d6fc | bellard | break;
|
2191 | f1510b2c | bellard | case 'n': |
2192 | f1510b2c | bellard | pstrcpy(network_script, sizeof(network_script), optarg);
|
2193 | f1510b2c | bellard | break;
|
2194 | 67b915a5 | bellard | #ifdef CONFIG_GDBSTUB
|
2195 | b4608c04 | bellard | case 's': |
2196 | b4608c04 | bellard | use_gdbstub = 1;
|
2197 | b4608c04 | bellard | break;
|
2198 | b4608c04 | bellard | case 'p': |
2199 | b4608c04 | bellard | gdbstub_port = atoi(optarg); |
2200 | b4608c04 | bellard | break;
|
2201 | 67b915a5 | bellard | #endif
|
2202 | 330d0414 | bellard | case 'L': |
2203 | 5a67135a | bellard | bios_dir = optarg; |
2204 | 330d0414 | bellard | break;
|
2205 | a541f297 | bellard | case 'S': |
2206 | a541f297 | bellard | start_emulation = 0;
|
2207 | a541f297 | bellard | break;
|
2208 | 0824d6fc | bellard | } |
2209 | 0824d6fc | bellard | } |
2210 | 330d0414 | bellard | |
2211 | a20dd508 | bellard | if (optind < argc) {
|
2212 | a20dd508 | bellard | hd_filename[0] = argv[optind++];
|
2213 | a20dd508 | bellard | } |
2214 | a20dd508 | bellard | |
2215 | a20dd508 | bellard | linux_boot = (kernel_filename != NULL);
|
2216 | 330d0414 | bellard | |
2217 | c45886db | bellard | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
2218 | c45886db | bellard | fd_filename[0] == '\0') |
2219 | 0824d6fc | bellard | help(); |
2220 | 8f2b1fb0 | bellard | |
2221 | 8f2b1fb0 | bellard | /* boot to cd by default if no hard disk */
|
2222 | d0309311 | bellard | if (hd_filename[0] == '\0' && boot_device == 'c') { |
2223 | d0309311 | bellard | if (fd_filename[0] != '\0') |
2224 | d0309311 | bellard | boot_device = 'a';
|
2225 | d0309311 | bellard | else
|
2226 | d0309311 | bellard | boot_device = 'd';
|
2227 | d0309311 | bellard | } |
2228 | 0824d6fc | bellard | |
2229 | dc887a4d | bellard | #if !defined(CONFIG_SOFTMMU)
|
2230 | dc887a4d | bellard | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
|
2231 | dc887a4d | bellard | { |
2232 | dc887a4d | bellard | static uint8_t stdout_buf[4096]; |
2233 | dc887a4d | bellard | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
|
2234 | dc887a4d | bellard | } |
2235 | dc887a4d | bellard | #else
|
2236 | b118d61e | bellard | setvbuf(stdout, NULL, _IOLBF, 0); |
2237 | dc887a4d | bellard | #endif
|
2238 | 0824d6fc | bellard | |
2239 | c4b1fcc0 | bellard | /* init host network redirectors */
|
2240 | c20709aa | bellard | if (net_if_type == -1) { |
2241 | c20709aa | bellard | net_if_type = NET_IF_TUN; |
2242 | c20709aa | bellard | #if defined(CONFIG_SLIRP)
|
2243 | c20709aa | bellard | if (access(network_script, R_OK) < 0) { |
2244 | c20709aa | bellard | net_if_type = NET_IF_USER; |
2245 | c20709aa | bellard | } |
2246 | c20709aa | bellard | #endif
|
2247 | c20709aa | bellard | } |
2248 | c20709aa | bellard | |
2249 | c20709aa | bellard | for(i = 0; i < nb_nics; i++) { |
2250 | 702c651c | bellard | NetDriverState *nd = &nd_table[i]; |
2251 | c20709aa | bellard | nd->index = i; |
2252 | 702c651c | bellard | /* init virtual mac address */
|
2253 | 702c651c | bellard | nd->macaddr[0] = macaddr[0]; |
2254 | 702c651c | bellard | nd->macaddr[1] = macaddr[1]; |
2255 | 702c651c | bellard | nd->macaddr[2] = macaddr[2]; |
2256 | 702c651c | bellard | nd->macaddr[3] = macaddr[3]; |
2257 | 702c651c | bellard | nd->macaddr[4] = macaddr[4]; |
2258 | 702c651c | bellard | nd->macaddr[5] = macaddr[5] + i; |
2259 | c20709aa | bellard | switch(net_if_type) {
|
2260 | c20709aa | bellard | #if defined(CONFIG_SLIRP)
|
2261 | c20709aa | bellard | case NET_IF_USER:
|
2262 | c20709aa | bellard | net_slirp_init(nd); |
2263 | c20709aa | bellard | break;
|
2264 | c20709aa | bellard | #endif
|
2265 | c20709aa | bellard | #if !defined(_WIN32)
|
2266 | c20709aa | bellard | case NET_IF_TUN:
|
2267 | c20709aa | bellard | if (i < nb_tun_fds) {
|
2268 | c20709aa | bellard | net_fd_init(nd, tun_fds[i]); |
2269 | c20709aa | bellard | } else {
|
2270 | d927637d | bellard | if (net_tun_init(nd) < 0) |
2271 | d927637d | bellard | net_dummy_init(nd); |
2272 | c20709aa | bellard | } |
2273 | c20709aa | bellard | break;
|
2274 | c20709aa | bellard | #endif
|
2275 | c20709aa | bellard | case NET_IF_DUMMY:
|
2276 | c20709aa | bellard | default:
|
2277 | c20709aa | bellard | net_dummy_init(nd); |
2278 | c20709aa | bellard | break;
|
2279 | c20709aa | bellard | } |
2280 | 702c651c | bellard | } |
2281 | f1510b2c | bellard | |
2282 | 0824d6fc | bellard | /* init the memory */
|
2283 | 1ccde1cb | bellard | phys_ram_size = ram_size + vga_ram_size; |
2284 | 7f7f9873 | bellard | |
2285 | 7f7f9873 | bellard | #ifdef CONFIG_SOFTMMU
|
2286 | 7d3505c5 | bellard | #ifdef _BSD
|
2287 | 7d3505c5 | bellard | /* mallocs are always aligned on BSD. */
|
2288 | 7d3505c5 | bellard | phys_ram_base = malloc(phys_ram_size); |
2289 | 7d3505c5 | bellard | #else
|
2290 | 1ccde1cb | bellard | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
2291 | 7d3505c5 | bellard | #endif
|
2292 | 7f7f9873 | bellard | if (!phys_ram_base) {
|
2293 | 7f7f9873 | bellard | fprintf(stderr, "Could not allocate physical memory\n");
|
2294 | 0824d6fc | bellard | exit(1);
|
2295 | 0824d6fc | bellard | } |
2296 | 7f7f9873 | bellard | #else
|
2297 | 7f7f9873 | bellard | /* as we must map the same page at several addresses, we must use
|
2298 | 7f7f9873 | bellard | a fd */
|
2299 | 7f7f9873 | bellard | { |
2300 | 7f7f9873 | bellard | const char *tmpdir; |
2301 | 7f7f9873 | bellard | |
2302 | 7f7f9873 | bellard | tmpdir = getenv("QEMU_TMPDIR");
|
2303 | 7f7f9873 | bellard | if (!tmpdir)
|
2304 | 7f7f9873 | bellard | tmpdir = "/tmp";
|
2305 | 7f7f9873 | bellard | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); |
2306 | 7f7f9873 | bellard | if (mkstemp(phys_ram_file) < 0) { |
2307 | 7f7f9873 | bellard | fprintf(stderr, "Could not create temporary memory file '%s'\n",
|
2308 | 7f7f9873 | bellard | phys_ram_file); |
2309 | 7f7f9873 | bellard | exit(1);
|
2310 | 7f7f9873 | bellard | } |
2311 | 7f7f9873 | bellard | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
|
2312 | 7f7f9873 | bellard | if (phys_ram_fd < 0) { |
2313 | 7f7f9873 | bellard | fprintf(stderr, "Could not open temporary memory file '%s'\n",
|
2314 | 7f7f9873 | bellard | phys_ram_file); |
2315 | 7f7f9873 | bellard | exit(1);
|
2316 | 7f7f9873 | bellard | } |
2317 | 1ccde1cb | bellard | ftruncate(phys_ram_fd, phys_ram_size); |
2318 | 7f7f9873 | bellard | unlink(phys_ram_file); |
2319 | 1ccde1cb | bellard | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
2320 | 1ccde1cb | bellard | phys_ram_size, |
2321 | 7f7f9873 | bellard | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
2322 | 7f7f9873 | bellard | phys_ram_fd, 0);
|
2323 | 7f7f9873 | bellard | if (phys_ram_base == MAP_FAILED) {
|
2324 | 7f7f9873 | bellard | fprintf(stderr, "Could not map physical memory\n");
|
2325 | 7f7f9873 | bellard | exit(1);
|
2326 | 7f7f9873 | bellard | } |
2327 | 7f7f9873 | bellard | } |
2328 | 7f7f9873 | bellard | #endif
|
2329 | 0824d6fc | bellard | |
2330 | c4b1fcc0 | bellard | /* we always create the cdrom drive, even if no disk is there */
|
2331 | c4b1fcc0 | bellard | if (has_cdrom) {
|
2332 | c4b1fcc0 | bellard | bs_table[2] = bdrv_new("cdrom"); |
2333 | c4b1fcc0 | bellard | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM);
|
2334 | c4b1fcc0 | bellard | } |
2335 | c4b1fcc0 | bellard | |
2336 | 33e3963e | bellard | /* open the virtual block devices */
|
2337 | 33e3963e | bellard | for(i = 0; i < MAX_DISKS; i++) { |
2338 | 33e3963e | bellard | if (hd_filename[i]) {
|
2339 | 33e3963e | bellard | if (!bs_table[i]) {
|
2340 | c4b1fcc0 | bellard | char buf[64]; |
2341 | c4b1fcc0 | bellard | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); |
2342 | c4b1fcc0 | bellard | bs_table[i] = bdrv_new(buf); |
2343 | c4b1fcc0 | bellard | } |
2344 | c4b1fcc0 | bellard | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { |
2345 | 36b486bb | bellard | fprintf(stderr, "qemu: could not open hard disk image '%s\n",
|
2346 | 33e3963e | bellard | hd_filename[i]); |
2347 | 33e3963e | bellard | exit(1);
|
2348 | 33e3963e | bellard | } |
2349 | c4b1fcc0 | bellard | if (i == 0 && cyls != 0) |
2350 | c4b1fcc0 | bellard | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); |
2351 | c4b1fcc0 | bellard | } |
2352 | c4b1fcc0 | bellard | } |
2353 | c4b1fcc0 | bellard | |
2354 | c4b1fcc0 | bellard | /* we always create at least one floppy disk */
|
2355 | c4b1fcc0 | bellard | fd_table[0] = bdrv_new("fda"); |
2356 | c4b1fcc0 | bellard | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
|
2357 | c4b1fcc0 | bellard | |
2358 | c4b1fcc0 | bellard | for(i = 0; i < MAX_FD; i++) { |
2359 | c4b1fcc0 | bellard | if (fd_filename[i]) {
|
2360 | c4b1fcc0 | bellard | if (!fd_table[i]) {
|
2361 | c4b1fcc0 | bellard | char buf[64]; |
2362 | c4b1fcc0 | bellard | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); |
2363 | c4b1fcc0 | bellard | fd_table[i] = bdrv_new(buf); |
2364 | c4b1fcc0 | bellard | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); |
2365 | c4b1fcc0 | bellard | } |
2366 | c4b1fcc0 | bellard | if (fd_filename[i] != '\0') { |
2367 | c4b1fcc0 | bellard | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { |
2368 | c20709aa | bellard | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
|
2369 | c4b1fcc0 | bellard | fd_filename[i]); |
2370 | c4b1fcc0 | bellard | exit(1);
|
2371 | c4b1fcc0 | bellard | } |
2372 | c4b1fcc0 | bellard | } |
2373 | 33e3963e | bellard | } |
2374 | 33e3963e | bellard | } |
2375 | 33e3963e | bellard | |
2376 | 330d0414 | bellard | /* init CPU state */
|
2377 | 330d0414 | bellard | env = cpu_init(); |
2378 | 330d0414 | bellard | global_env = env; |
2379 | 330d0414 | bellard | cpu_single_env = env; |
2380 | 330d0414 | bellard | |
2381 | 8a7ddc38 | bellard | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
2382 | 8a7ddc38 | bellard | register_savevm("cpu", 0, 1, cpu_save, cpu_load, env); |
2383 | 8a7ddc38 | bellard | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); |
2384 | 8a7ddc38 | bellard | |
2385 | 330d0414 | bellard | init_ioports(); |
2386 | 80cabfad | bellard | cpu_calibrate_ticks(); |
2387 | 0824d6fc | bellard | |
2388 | 313aa567 | bellard | /* terminal init */
|
2389 | a20dd508 | bellard | if (nographic) {
|
2390 | 313aa567 | bellard | dumb_display_init(ds); |
2391 | 313aa567 | bellard | } else {
|
2392 | 313aa567 | bellard | #ifdef CONFIG_SDL
|
2393 | 313aa567 | bellard | sdl_display_init(ds); |
2394 | 313aa567 | bellard | #else
|
2395 | 313aa567 | bellard | dumb_display_init(ds); |
2396 | 313aa567 | bellard | #endif
|
2397 | 313aa567 | bellard | } |
2398 | 0824d6fc | bellard | |
2399 | 0824d6fc | bellard | /* setup cpu signal handlers for MMU / self modifying code handling */
|
2400 | 77fef8c1 | bellard | #if !defined(CONFIG_SOFTMMU)
|
2401 | 8a7ddc38 | bellard | |
2402 | 77fef8c1 | bellard | #if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
2403 | 77fef8c1 | bellard | { |
2404 | 77fef8c1 | bellard | stack_t stk; |
2405 | 73332e5c | bellard | signal_stack = memalign(16, SIGNAL_STACK_SIZE);
|
2406 | 77fef8c1 | bellard | stk.ss_sp = signal_stack; |
2407 | 77fef8c1 | bellard | stk.ss_size = SIGNAL_STACK_SIZE; |
2408 | 77fef8c1 | bellard | stk.ss_flags = 0;
|
2409 | 77fef8c1 | bellard | |
2410 | 77fef8c1 | bellard | if (sigaltstack(&stk, NULL) < 0) { |
2411 | 77fef8c1 | bellard | perror("sigaltstack");
|
2412 | 77fef8c1 | bellard | exit(1);
|
2413 | 77fef8c1 | bellard | } |
2414 | 77fef8c1 | bellard | } |
2415 | 77fef8c1 | bellard | #endif
|
2416 | 8a7ddc38 | bellard | { |
2417 | 8a7ddc38 | bellard | struct sigaction act;
|
2418 | 77fef8c1 | bellard | |
2419 | 8a7ddc38 | bellard | sigfillset(&act.sa_mask); |
2420 | 8a7ddc38 | bellard | act.sa_flags = SA_SIGINFO; |
2421 | 77fef8c1 | bellard | #if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
2422 | 8a7ddc38 | bellard | act.sa_flags |= SA_ONSTACK; |
2423 | 77fef8c1 | bellard | #endif
|
2424 | 8a7ddc38 | bellard | act.sa_sigaction = host_segv_handler; |
2425 | 8a7ddc38 | bellard | sigaction(SIGSEGV, &act, NULL);
|
2426 | 8a7ddc38 | bellard | sigaction(SIGBUS, &act, NULL);
|
2427 | 77fef8c1 | bellard | #if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
2428 | 8a7ddc38 | bellard | sigaction(SIGFPE, &act, NULL);
|
2429 | 77fef8c1 | bellard | #endif
|
2430 | 8a7ddc38 | bellard | } |
2431 | 3a51dee6 | bellard | #endif
|
2432 | 0824d6fc | bellard | |
2433 | 67b915a5 | bellard | #ifndef _WIN32
|
2434 | 8a7ddc38 | bellard | { |
2435 | 8a7ddc38 | bellard | struct sigaction act;
|
2436 | 8a7ddc38 | bellard | sigfillset(&act.sa_mask); |
2437 | 8a7ddc38 | bellard | act.sa_flags = 0;
|
2438 | 8a7ddc38 | bellard | act.sa_handler = SIG_IGN; |
2439 | 8a7ddc38 | bellard | sigaction(SIGPIPE, &act, NULL);
|
2440 | 8a7ddc38 | bellard | } |
2441 | 67b915a5 | bellard | #endif
|
2442 | 73332e5c | bellard | init_timers(); |
2443 | 73332e5c | bellard | |
2444 | 73332e5c | bellard | #if defined(TARGET_I386)
|
2445 | 73332e5c | bellard | pc_init(ram_size, vga_ram_size, boot_device, |
2446 | 73332e5c | bellard | ds, fd_filename, snapshot, |
2447 | 73332e5c | bellard | kernel_filename, kernel_cmdline, initrd_filename); |
2448 | 73332e5c | bellard | #elif defined(TARGET_PPC)
|
2449 | a541f297 | bellard | ppc_init(ram_size, vga_ram_size, boot_device, |
2450 | a541f297 | bellard | ds, fd_filename, snapshot, |
2451 | a541f297 | bellard | kernel_filename, kernel_cmdline, initrd_filename); |
2452 | 73332e5c | bellard | #endif
|
2453 | 73332e5c | bellard | |
2454 | 73332e5c | bellard | /* launched after the device init so that it can display or not a
|
2455 | 73332e5c | bellard | banner */
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2456 | 73332e5c | bellard | monitor_init(); |
2457 | 0824d6fc | bellard | |
2458 | 8a7ddc38 | bellard | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
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2459 | 8a7ddc38 | bellard | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); |
2460 | 7f7f9873 | bellard | |
2461 | 67b915a5 | bellard | #ifdef CONFIG_GDBSTUB
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2462 | b4608c04 | bellard | if (use_gdbstub) {
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2463 | 8a7ddc38 | bellard | if (gdbserver_start(gdbstub_port) < 0) { |
2464 | 8a7ddc38 | bellard | fprintf(stderr, "Could not open gdbserver socket on port %d\n",
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2465 | 8a7ddc38 | bellard | gdbstub_port); |
2466 | 8a7ddc38 | bellard | exit(1);
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2467 | 8a7ddc38 | bellard | } else {
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2468 | 8a7ddc38 | bellard | printf("Waiting gdb connection on port %d\n", gdbstub_port);
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2469 | 8a7ddc38 | bellard | } |
2470 | 67b915a5 | bellard | } else
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2471 | 67b915a5 | bellard | #endif
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2472 | a541f297 | bellard | if (start_emulation)
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2473 | 67b915a5 | bellard | { |
2474 | 8a7ddc38 | bellard | vm_start(); |
2475 | 0824d6fc | bellard | } |
2476 | 8a7ddc38 | bellard | term_init(); |
2477 | 8a7ddc38 | bellard | main_loop(); |
2478 | 40c3bac3 | bellard | quit_timers(); |
2479 | 0824d6fc | bellard | return 0; |
2480 | 0824d6fc | bellard | } |