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1 | 80cabfad | bellard | /*
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2 | 80cabfad | bellard | * QEMU PC System Emulator
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3 | 80cabfad | bellard | *
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4 | 80cabfad | bellard | * Copyright (c) 2003-2004 Fabrice Bellard
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5 | 80cabfad | bellard | *
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6 | 80cabfad | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 80cabfad | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 80cabfad | bellard | * in the Software without restriction, including without limitation the rights
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9 | 80cabfad | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 80cabfad | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 80cabfad | bellard | * furnished to do so, subject to the following conditions:
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12 | 80cabfad | bellard | *
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13 | 80cabfad | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 80cabfad | bellard | * all copies or substantial portions of the Software.
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15 | 80cabfad | bellard | *
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16 | 80cabfad | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 80cabfad | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 80cabfad | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 80cabfad | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 80cabfad | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 80cabfad | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 80cabfad | bellard | * THE SOFTWARE.
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23 | 80cabfad | bellard | */
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24 | 80cabfad | bellard | #include "vl.h" |
25 | 80cabfad | bellard | |
26 | b41a2cd1 | bellard | /* output Bochs bios info messages */
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27 | b41a2cd1 | bellard | //#define DEBUG_BIOS
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28 | b41a2cd1 | bellard | |
29 | 80cabfad | bellard | #define BIOS_FILENAME "bios.bin" |
30 | 80cabfad | bellard | #define VGABIOS_FILENAME "vgabios.bin" |
31 | de9258a8 | bellard | #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin" |
32 | 80cabfad | bellard | #define LINUX_BOOT_FILENAME "linux_boot.bin" |
33 | 80cabfad | bellard | |
34 | 80cabfad | bellard | #define KERNEL_LOAD_ADDR 0x00100000 |
35 | a80274c3 | pbrook | #define MAX_INITRD_LOAD_ADDR 0x38000000 |
36 | 80cabfad | bellard | #define KERNEL_PARAMS_ADDR 0x00090000 |
37 | 80cabfad | bellard | #define KERNEL_CMDLINE_ADDR 0x00099000 |
38 | a80274c3 | pbrook | /* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
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39 | a80274c3 | pbrook | #define ACPI_DATA_SIZE 0x10000 |
40 | 80cabfad | bellard | |
41 | baca51fa | bellard | static fdctrl_t *floppy_controller;
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42 | b0a21b53 | bellard | static RTCState *rtc_state;
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43 | ec844b96 | bellard | static PITState *pit;
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44 | d592d303 | bellard | static IOAPICState *ioapic;
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45 | a5954d5c | bellard | static PCIDevice *i440fx_state;
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46 | 80cabfad | bellard | |
47 | b41a2cd1 | bellard | static void ioport80_write(void *opaque, uint32_t addr, uint32_t data) |
48 | 80cabfad | bellard | { |
49 | 80cabfad | bellard | } |
50 | 80cabfad | bellard | |
51 | f929aad6 | bellard | /* MSDOS compatibility mode FPU exception support */
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52 | d537cf6c | pbrook | static qemu_irq ferr_irq;
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53 | f929aad6 | bellard | /* XXX: add IGNNE support */
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54 | f929aad6 | bellard | void cpu_set_ferr(CPUX86State *s)
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55 | f929aad6 | bellard | { |
56 | d537cf6c | pbrook | qemu_irq_raise(ferr_irq); |
57 | f929aad6 | bellard | } |
58 | f929aad6 | bellard | |
59 | f929aad6 | bellard | static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data) |
60 | f929aad6 | bellard | { |
61 | d537cf6c | pbrook | qemu_irq_lower(ferr_irq); |
62 | f929aad6 | bellard | } |
63 | f929aad6 | bellard | |
64 | 28ab0e2e | bellard | /* TSC handling */
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65 | 28ab0e2e | bellard | uint64_t cpu_get_tsc(CPUX86State *env) |
66 | 28ab0e2e | bellard | { |
67 | 1dce7c3c | bellard | /* Note: when using kqemu, it is more logical to return the host TSC
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68 | 1dce7c3c | bellard | because kqemu does not trap the RDTSC instruction for
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69 | 1dce7c3c | bellard | performance reasons */
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70 | 1dce7c3c | bellard | #if USE_KQEMU
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71 | 1dce7c3c | bellard | if (env->kqemu_enabled) {
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72 | 1dce7c3c | bellard | return cpu_get_real_ticks();
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73 | 1dce7c3c | bellard | } else
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74 | 1dce7c3c | bellard | #endif
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75 | 1dce7c3c | bellard | { |
76 | 1dce7c3c | bellard | return cpu_get_ticks();
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77 | 1dce7c3c | bellard | } |
78 | 28ab0e2e | bellard | } |
79 | 28ab0e2e | bellard | |
80 | a5954d5c | bellard | /* SMM support */
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81 | a5954d5c | bellard | void cpu_smm_update(CPUState *env)
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82 | a5954d5c | bellard | { |
83 | a5954d5c | bellard | if (i440fx_state && env == first_cpu)
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84 | a5954d5c | bellard | i440fx_set_smm(i440fx_state, (env->hflags >> HF_SMM_SHIFT) & 1);
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85 | a5954d5c | bellard | } |
86 | a5954d5c | bellard | |
87 | a5954d5c | bellard | |
88 | 3de388f6 | bellard | /* IRQ handling */
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89 | 3de388f6 | bellard | int cpu_get_pic_interrupt(CPUState *env)
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90 | 3de388f6 | bellard | { |
91 | 3de388f6 | bellard | int intno;
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92 | 3de388f6 | bellard | |
93 | 3de388f6 | bellard | intno = apic_get_interrupt(env); |
94 | 3de388f6 | bellard | if (intno >= 0) { |
95 | 3de388f6 | bellard | /* set irq request if a PIC irq is still pending */
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96 | 3de388f6 | bellard | /* XXX: improve that */
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97 | 3de388f6 | bellard | pic_update_irq(isa_pic); |
98 | 3de388f6 | bellard | return intno;
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99 | 3de388f6 | bellard | } |
100 | 3de388f6 | bellard | /* read the irq from the PIC */
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101 | 3de388f6 | bellard | intno = pic_read_irq(isa_pic); |
102 | 3de388f6 | bellard | return intno;
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103 | 3de388f6 | bellard | } |
104 | 3de388f6 | bellard | |
105 | d537cf6c | pbrook | static void pic_irq_request(void *opaque, int irq, int level) |
106 | 3de388f6 | bellard | { |
107 | 59b8ad81 | bellard | CPUState *env = opaque; |
108 | 3de388f6 | bellard | if (level)
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109 | 59b8ad81 | bellard | cpu_interrupt(env, CPU_INTERRUPT_HARD); |
110 | 3de388f6 | bellard | else
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111 | 59b8ad81 | bellard | cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); |
112 | 3de388f6 | bellard | } |
113 | 3de388f6 | bellard | |
114 | b0a21b53 | bellard | /* PC cmos mappings */
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115 | b0a21b53 | bellard | |
116 | 80cabfad | bellard | #define REG_EQUIPMENT_BYTE 0x14 |
117 | 80cabfad | bellard | |
118 | 777428f2 | bellard | static int cmos_get_fd_drive_type(int fd0) |
119 | 777428f2 | bellard | { |
120 | 777428f2 | bellard | int val;
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121 | 777428f2 | bellard | |
122 | 777428f2 | bellard | switch (fd0) {
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123 | 777428f2 | bellard | case 0: |
124 | 777428f2 | bellard | /* 1.44 Mb 3"5 drive */
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125 | 777428f2 | bellard | val = 4;
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126 | 777428f2 | bellard | break;
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127 | 777428f2 | bellard | case 1: |
128 | 777428f2 | bellard | /* 2.88 Mb 3"5 drive */
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129 | 777428f2 | bellard | val = 5;
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130 | 777428f2 | bellard | break;
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131 | 777428f2 | bellard | case 2: |
132 | 777428f2 | bellard | /* 1.2 Mb 5"5 drive */
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133 | 777428f2 | bellard | val = 2;
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134 | 777428f2 | bellard | break;
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135 | 777428f2 | bellard | default:
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136 | 777428f2 | bellard | val = 0;
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137 | 777428f2 | bellard | break;
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138 | 777428f2 | bellard | } |
139 | 777428f2 | bellard | return val;
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140 | 777428f2 | bellard | } |
141 | 777428f2 | bellard | |
142 | ba6c2377 | bellard | static void cmos_init_hd(int type_ofs, int info_ofs, BlockDriverState *hd) |
143 | ba6c2377 | bellard | { |
144 | ba6c2377 | bellard | RTCState *s = rtc_state; |
145 | ba6c2377 | bellard | int cylinders, heads, sectors;
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146 | ba6c2377 | bellard | bdrv_get_geometry_hint(hd, &cylinders, &heads, §ors); |
147 | ba6c2377 | bellard | rtc_set_memory(s, type_ofs, 47);
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148 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs, cylinders); |
149 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 1, cylinders >> 8); |
150 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 2, heads);
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151 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 3, 0xff); |
152 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 4, 0xff); |
153 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3)); |
154 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 6, cylinders);
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155 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 7, cylinders >> 8); |
156 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 8, sectors);
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157 | ba6c2377 | bellard | } |
158 | ba6c2377 | bellard | |
159 | ba6c2377 | bellard | /* hd_table must contain 4 block drivers */
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160 | ba6c2377 | bellard | static void cmos_init(int ram_size, int boot_device, BlockDriverState **hd_table) |
161 | 80cabfad | bellard | { |
162 | b0a21b53 | bellard | RTCState *s = rtc_state; |
163 | 80cabfad | bellard | int val;
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164 | b41a2cd1 | bellard | int fd0, fd1, nb;
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165 | ba6c2377 | bellard | int i;
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166 | b0a21b53 | bellard | |
167 | b0a21b53 | bellard | /* various important CMOS locations needed by PC/Bochs bios */
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168 | 80cabfad | bellard | |
169 | 80cabfad | bellard | /* memory size */
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170 | 333190eb | bellard | val = 640; /* base memory in K */ |
171 | 333190eb | bellard | rtc_set_memory(s, 0x15, val);
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172 | 333190eb | bellard | rtc_set_memory(s, 0x16, val >> 8); |
173 | 333190eb | bellard | |
174 | 80cabfad | bellard | val = (ram_size / 1024) - 1024; |
175 | 80cabfad | bellard | if (val > 65535) |
176 | 80cabfad | bellard | val = 65535;
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177 | b0a21b53 | bellard | rtc_set_memory(s, 0x17, val);
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178 | b0a21b53 | bellard | rtc_set_memory(s, 0x18, val >> 8); |
179 | b0a21b53 | bellard | rtc_set_memory(s, 0x30, val);
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180 | b0a21b53 | bellard | rtc_set_memory(s, 0x31, val >> 8); |
181 | 80cabfad | bellard | |
182 | 9da98861 | bellard | if (ram_size > (16 * 1024 * 1024)) |
183 | 9da98861 | bellard | val = (ram_size / 65536) - ((16 * 1024 * 1024) / 65536); |
184 | 9da98861 | bellard | else
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185 | 9da98861 | bellard | val = 0;
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186 | 80cabfad | bellard | if (val > 65535) |
187 | 80cabfad | bellard | val = 65535;
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188 | b0a21b53 | bellard | rtc_set_memory(s, 0x34, val);
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189 | b0a21b53 | bellard | rtc_set_memory(s, 0x35, val >> 8); |
190 | 80cabfad | bellard | |
191 | 80cabfad | bellard | switch(boot_device) {
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192 | 80cabfad | bellard | case 'a': |
193 | 80cabfad | bellard | case 'b': |
194 | b0a21b53 | bellard | rtc_set_memory(s, 0x3d, 0x01); /* floppy boot */ |
195 | 52ca8d6a | bellard | if (!fd_bootchk)
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196 | 52ca8d6a | bellard | rtc_set_memory(s, 0x38, 0x01); /* disable signature check */ |
197 | 80cabfad | bellard | break;
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198 | 80cabfad | bellard | default:
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199 | 80cabfad | bellard | case 'c': |
200 | b0a21b53 | bellard | rtc_set_memory(s, 0x3d, 0x02); /* hard drive boot */ |
201 | 80cabfad | bellard | break;
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202 | 80cabfad | bellard | case 'd': |
203 | b0a21b53 | bellard | rtc_set_memory(s, 0x3d, 0x03); /* CD-ROM boot */ |
204 | 80cabfad | bellard | break;
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205 | 80cabfad | bellard | } |
206 | 80cabfad | bellard | |
207 | b41a2cd1 | bellard | /* floppy type */
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208 | b41a2cd1 | bellard | |
209 | baca51fa | bellard | fd0 = fdctrl_get_drive_type(floppy_controller, 0);
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210 | baca51fa | bellard | fd1 = fdctrl_get_drive_type(floppy_controller, 1);
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211 | 80cabfad | bellard | |
212 | 777428f2 | bellard | val = (cmos_get_fd_drive_type(fd0) << 4) | cmos_get_fd_drive_type(fd1);
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213 | b0a21b53 | bellard | rtc_set_memory(s, 0x10, val);
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214 | b0a21b53 | bellard | |
215 | b0a21b53 | bellard | val = 0;
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216 | b41a2cd1 | bellard | nb = 0;
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217 | 80cabfad | bellard | if (fd0 < 3) |
218 | 80cabfad | bellard | nb++; |
219 | 80cabfad | bellard | if (fd1 < 3) |
220 | 80cabfad | bellard | nb++; |
221 | 80cabfad | bellard | switch (nb) {
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222 | 80cabfad | bellard | case 0: |
223 | 80cabfad | bellard | break;
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224 | 80cabfad | bellard | case 1: |
225 | b0a21b53 | bellard | val |= 0x01; /* 1 drive, ready for boot */ |
226 | 80cabfad | bellard | break;
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227 | 80cabfad | bellard | case 2: |
228 | b0a21b53 | bellard | val |= 0x41; /* 2 drives, ready for boot */ |
229 | 80cabfad | bellard | break;
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230 | 80cabfad | bellard | } |
231 | b0a21b53 | bellard | val |= 0x02; /* FPU is there */ |
232 | b0a21b53 | bellard | val |= 0x04; /* PS/2 mouse installed */ |
233 | b0a21b53 | bellard | rtc_set_memory(s, REG_EQUIPMENT_BYTE, val); |
234 | b0a21b53 | bellard | |
235 | ba6c2377 | bellard | /* hard drives */
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236 | ba6c2377 | bellard | |
237 | ba6c2377 | bellard | rtc_set_memory(s, 0x12, (hd_table[0] ? 0xf0 : 0) | (hd_table[1] ? 0x0f : 0)); |
238 | ba6c2377 | bellard | if (hd_table[0]) |
239 | ba6c2377 | bellard | cmos_init_hd(0x19, 0x1b, hd_table[0]); |
240 | ba6c2377 | bellard | if (hd_table[1]) |
241 | ba6c2377 | bellard | cmos_init_hd(0x1a, 0x24, hd_table[1]); |
242 | ba6c2377 | bellard | |
243 | ba6c2377 | bellard | val = 0;
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244 | 40b6ecc6 | bellard | for (i = 0; i < 4; i++) { |
245 | ba6c2377 | bellard | if (hd_table[i]) {
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246 | 46d4767d | bellard | int cylinders, heads, sectors, translation;
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247 | 46d4767d | bellard | /* NOTE: bdrv_get_geometry_hint() returns the physical
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248 | 46d4767d | bellard | geometry. It is always such that: 1 <= sects <= 63, 1
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249 | 46d4767d | bellard | <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
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250 | 46d4767d | bellard | geometry can be different if a translation is done. */
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251 | 46d4767d | bellard | translation = bdrv_get_translation_hint(hd_table[i]); |
252 | 46d4767d | bellard | if (translation == BIOS_ATA_TRANSLATION_AUTO) {
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253 | 46d4767d | bellard | bdrv_get_geometry_hint(hd_table[i], &cylinders, &heads, §ors); |
254 | 46d4767d | bellard | if (cylinders <= 1024 && heads <= 16 && sectors <= 63) { |
255 | 46d4767d | bellard | /* No translation. */
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256 | 46d4767d | bellard | translation = 0;
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257 | 46d4767d | bellard | } else {
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258 | 46d4767d | bellard | /* LBA translation. */
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259 | 46d4767d | bellard | translation = 1;
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260 | 46d4767d | bellard | } |
261 | 40b6ecc6 | bellard | } else {
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262 | 46d4767d | bellard | translation--; |
263 | ba6c2377 | bellard | } |
264 | ba6c2377 | bellard | val |= translation << (i * 2);
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265 | ba6c2377 | bellard | } |
266 | 40b6ecc6 | bellard | } |
267 | ba6c2377 | bellard | rtc_set_memory(s, 0x39, val);
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268 | 80cabfad | bellard | } |
269 | 80cabfad | bellard | |
270 | 59b8ad81 | bellard | void ioport_set_a20(int enable) |
271 | 59b8ad81 | bellard | { |
272 | 59b8ad81 | bellard | /* XXX: send to all CPUs ? */
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273 | 59b8ad81 | bellard | cpu_x86_set_a20(first_cpu, enable); |
274 | 59b8ad81 | bellard | } |
275 | 59b8ad81 | bellard | |
276 | 59b8ad81 | bellard | int ioport_get_a20(void) |
277 | 59b8ad81 | bellard | { |
278 | 59b8ad81 | bellard | return ((first_cpu->a20_mask >> 20) & 1); |
279 | 59b8ad81 | bellard | } |
280 | 59b8ad81 | bellard | |
281 | e1a23744 | bellard | static void ioport92_write(void *opaque, uint32_t addr, uint32_t val) |
282 | e1a23744 | bellard | { |
283 | 59b8ad81 | bellard | ioport_set_a20((val >> 1) & 1); |
284 | e1a23744 | bellard | /* XXX: bit 0 is fast reset */
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285 | e1a23744 | bellard | } |
286 | e1a23744 | bellard | |
287 | e1a23744 | bellard | static uint32_t ioport92_read(void *opaque, uint32_t addr) |
288 | e1a23744 | bellard | { |
289 | 59b8ad81 | bellard | return ioport_get_a20() << 1; |
290 | e1a23744 | bellard | } |
291 | e1a23744 | bellard | |
292 | 80cabfad | bellard | /***********************************************************/
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293 | 80cabfad | bellard | /* Bochs BIOS debug ports */
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294 | 80cabfad | bellard | |
295 | b41a2cd1 | bellard | void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val) |
296 | 80cabfad | bellard | { |
297 | a2f659ee | bellard | static const char shutdown_str[8] = "Shutdown"; |
298 | a2f659ee | bellard | static int shutdown_index = 0; |
299 | a2f659ee | bellard | |
300 | 80cabfad | bellard | switch(addr) {
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301 | 80cabfad | bellard | /* Bochs BIOS messages */
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302 | 80cabfad | bellard | case 0x400: |
303 | 80cabfad | bellard | case 0x401: |
304 | 80cabfad | bellard | fprintf(stderr, "BIOS panic at rombios.c, line %d\n", val);
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305 | 80cabfad | bellard | exit(1);
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306 | 80cabfad | bellard | case 0x402: |
307 | 80cabfad | bellard | case 0x403: |
308 | 80cabfad | bellard | #ifdef DEBUG_BIOS
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309 | 80cabfad | bellard | fprintf(stderr, "%c", val);
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310 | 80cabfad | bellard | #endif
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311 | 80cabfad | bellard | break;
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312 | a2f659ee | bellard | case 0x8900: |
313 | a2f659ee | bellard | /* same as Bochs power off */
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314 | a2f659ee | bellard | if (val == shutdown_str[shutdown_index]) {
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315 | a2f659ee | bellard | shutdown_index++; |
316 | a2f659ee | bellard | if (shutdown_index == 8) { |
317 | a2f659ee | bellard | shutdown_index = 0;
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318 | a2f659ee | bellard | qemu_system_shutdown_request(); |
319 | a2f659ee | bellard | } |
320 | a2f659ee | bellard | } else {
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321 | a2f659ee | bellard | shutdown_index = 0;
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322 | a2f659ee | bellard | } |
323 | a2f659ee | bellard | break;
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324 | 80cabfad | bellard | |
325 | 80cabfad | bellard | /* LGPL'ed VGA BIOS messages */
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326 | 80cabfad | bellard | case 0x501: |
327 | 80cabfad | bellard | case 0x502: |
328 | 80cabfad | bellard | fprintf(stderr, "VGA BIOS panic, line %d\n", val);
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329 | 80cabfad | bellard | exit(1);
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330 | 80cabfad | bellard | case 0x500: |
331 | 80cabfad | bellard | case 0x503: |
332 | 80cabfad | bellard | #ifdef DEBUG_BIOS
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333 | 80cabfad | bellard | fprintf(stderr, "%c", val);
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334 | 80cabfad | bellard | #endif
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335 | 80cabfad | bellard | break;
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336 | 80cabfad | bellard | } |
337 | 80cabfad | bellard | } |
338 | 80cabfad | bellard | |
339 | 80cabfad | bellard | void bochs_bios_init(void) |
340 | 80cabfad | bellard | { |
341 | b41a2cd1 | bellard | register_ioport_write(0x400, 1, 2, bochs_bios_write, NULL); |
342 | b41a2cd1 | bellard | register_ioport_write(0x401, 1, 2, bochs_bios_write, NULL); |
343 | b41a2cd1 | bellard | register_ioport_write(0x402, 1, 1, bochs_bios_write, NULL); |
344 | b41a2cd1 | bellard | register_ioport_write(0x403, 1, 1, bochs_bios_write, NULL); |
345 | a2f659ee | bellard | register_ioport_write(0x8900, 1, 1, bochs_bios_write, NULL); |
346 | b41a2cd1 | bellard | |
347 | b41a2cd1 | bellard | register_ioport_write(0x501, 1, 2, bochs_bios_write, NULL); |
348 | b41a2cd1 | bellard | register_ioport_write(0x502, 1, 2, bochs_bios_write, NULL); |
349 | b41a2cd1 | bellard | register_ioport_write(0x500, 1, 1, bochs_bios_write, NULL); |
350 | b41a2cd1 | bellard | register_ioport_write(0x503, 1, 1, bochs_bios_write, NULL); |
351 | 80cabfad | bellard | } |
352 | 80cabfad | bellard | |
353 | 80cabfad | bellard | |
354 | 80cabfad | bellard | int load_kernel(const char *filename, uint8_t *addr, |
355 | 80cabfad | bellard | uint8_t *real_addr) |
356 | 80cabfad | bellard | { |
357 | 80cabfad | bellard | int fd, size;
|
358 | 80cabfad | bellard | int setup_sects;
|
359 | 80cabfad | bellard | |
360 | 096b7ea4 | bellard | fd = open(filename, O_RDONLY | O_BINARY); |
361 | 80cabfad | bellard | if (fd < 0) |
362 | 80cabfad | bellard | return -1; |
363 | 80cabfad | bellard | |
364 | 80cabfad | bellard | /* load 16 bit code */
|
365 | 80cabfad | bellard | if (read(fd, real_addr, 512) != 512) |
366 | 80cabfad | bellard | goto fail;
|
367 | 80cabfad | bellard | setup_sects = real_addr[0x1F1];
|
368 | 80cabfad | bellard | if (!setup_sects)
|
369 | 80cabfad | bellard | setup_sects = 4;
|
370 | 80cabfad | bellard | if (read(fd, real_addr + 512, setup_sects * 512) != |
371 | 80cabfad | bellard | setup_sects * 512)
|
372 | 80cabfad | bellard | goto fail;
|
373 | 80cabfad | bellard | |
374 | 80cabfad | bellard | /* load 32 bit code */
|
375 | 80cabfad | bellard | size = read(fd, addr, 16 * 1024 * 1024); |
376 | 80cabfad | bellard | if (size < 0) |
377 | 80cabfad | bellard | goto fail;
|
378 | 80cabfad | bellard | close(fd); |
379 | 80cabfad | bellard | return size;
|
380 | 80cabfad | bellard | fail:
|
381 | 80cabfad | bellard | close(fd); |
382 | 80cabfad | bellard | return -1; |
383 | 80cabfad | bellard | } |
384 | 80cabfad | bellard | |
385 | 59b8ad81 | bellard | static void main_cpu_reset(void *opaque) |
386 | 59b8ad81 | bellard | { |
387 | 59b8ad81 | bellard | CPUState *env = opaque; |
388 | 59b8ad81 | bellard | cpu_reset(env); |
389 | 59b8ad81 | bellard | } |
390 | 59b8ad81 | bellard | |
391 | b41a2cd1 | bellard | static const int ide_iobase[2] = { 0x1f0, 0x170 }; |
392 | b41a2cd1 | bellard | static const int ide_iobase2[2] = { 0x3f6, 0x376 }; |
393 | b41a2cd1 | bellard | static const int ide_irq[2] = { 14, 15 }; |
394 | b41a2cd1 | bellard | |
395 | b41a2cd1 | bellard | #define NE2000_NB_MAX 6 |
396 | b41a2cd1 | bellard | |
397 | 8d11df9e | bellard | static int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 }; |
398 | b41a2cd1 | bellard | static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 }; |
399 | b41a2cd1 | bellard | |
400 | 8d11df9e | bellard | static int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; |
401 | 8d11df9e | bellard | static int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 }; |
402 | 8d11df9e | bellard | |
403 | 6508fe59 | bellard | static int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc }; |
404 | 6508fe59 | bellard | static int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 }; |
405 | 6508fe59 | bellard | |
406 | 6a36d84e | bellard | #ifdef HAS_AUDIO
|
407 | d537cf6c | pbrook | static void audio_init (PCIBus *pci_bus, qemu_irq *pic) |
408 | 6a36d84e | bellard | { |
409 | 6a36d84e | bellard | struct soundhw *c;
|
410 | 6a36d84e | bellard | int audio_enabled = 0; |
411 | 6a36d84e | bellard | |
412 | 6a36d84e | bellard | for (c = soundhw; !audio_enabled && c->name; ++c) {
|
413 | 6a36d84e | bellard | audio_enabled = c->enabled; |
414 | 6a36d84e | bellard | } |
415 | 6a36d84e | bellard | |
416 | 6a36d84e | bellard | if (audio_enabled) {
|
417 | 6a36d84e | bellard | AudioState *s; |
418 | 6a36d84e | bellard | |
419 | 6a36d84e | bellard | s = AUD_init (); |
420 | 6a36d84e | bellard | if (s) {
|
421 | 6a36d84e | bellard | for (c = soundhw; c->name; ++c) {
|
422 | 6a36d84e | bellard | if (c->enabled) {
|
423 | 6a36d84e | bellard | if (c->isa) {
|
424 | d537cf6c | pbrook | c->init.init_isa (s, pic); |
425 | 6a36d84e | bellard | } |
426 | 6a36d84e | bellard | else {
|
427 | 6a36d84e | bellard | if (pci_bus) {
|
428 | 6a36d84e | bellard | c->init.init_pci (pci_bus, s); |
429 | 6a36d84e | bellard | } |
430 | 6a36d84e | bellard | } |
431 | 6a36d84e | bellard | } |
432 | 6a36d84e | bellard | } |
433 | 6a36d84e | bellard | } |
434 | 6a36d84e | bellard | } |
435 | 6a36d84e | bellard | } |
436 | 6a36d84e | bellard | #endif
|
437 | 6a36d84e | bellard | |
438 | d537cf6c | pbrook | static void pc_init_ne2k_isa(NICInfo *nd, qemu_irq *pic) |
439 | a41b2ff2 | pbrook | { |
440 | a41b2ff2 | pbrook | static int nb_ne2k = 0; |
441 | a41b2ff2 | pbrook | |
442 | a41b2ff2 | pbrook | if (nb_ne2k == NE2000_NB_MAX)
|
443 | a41b2ff2 | pbrook | return;
|
444 | d537cf6c | pbrook | isa_ne2000_init(ne2000_io[nb_ne2k], pic[ne2000_irq[nb_ne2k]], nd); |
445 | a41b2ff2 | pbrook | nb_ne2k++; |
446 | a41b2ff2 | pbrook | } |
447 | a41b2ff2 | pbrook | |
448 | 80cabfad | bellard | /* PC hardware initialisation */
|
449 | b5ff2d6e | bellard | static void pc_init1(int ram_size, int vga_ram_size, int boot_device, |
450 | b5ff2d6e | bellard | DisplayState *ds, const char **fd_filename, int snapshot, |
451 | b5ff2d6e | bellard | const char *kernel_filename, const char *kernel_cmdline, |
452 | 3dbbdc25 | bellard | const char *initrd_filename, |
453 | 3dbbdc25 | bellard | int pci_enabled)
|
454 | 80cabfad | bellard | { |
455 | 80cabfad | bellard | char buf[1024]; |
456 | a41b2ff2 | pbrook | int ret, linux_boot, initrd_size, i;
|
457 | 970ac5a3 | bellard | ram_addr_t ram_addr, vga_ram_addr, bios_offset, vga_bios_offset; |
458 | a80274c3 | pbrook | ram_addr_t initrd_offset; |
459 | 970ac5a3 | bellard | int bios_size, isa_bios_size, vga_bios_size;
|
460 | 46e50e9d | bellard | PCIBus *pci_bus; |
461 | 5c3ff3a7 | pbrook | int piix3_devfn = -1; |
462 | 59b8ad81 | bellard | CPUState *env; |
463 | a41b2ff2 | pbrook | NICInfo *nd; |
464 | d537cf6c | pbrook | qemu_irq *cpu_irq; |
465 | d537cf6c | pbrook | qemu_irq *i8259; |
466 | d592d303 | bellard | |
467 | 80cabfad | bellard | linux_boot = (kernel_filename != NULL);
|
468 | 80cabfad | bellard | |
469 | 59b8ad81 | bellard | /* init CPUs */
|
470 | 59b8ad81 | bellard | for(i = 0; i < smp_cpus; i++) { |
471 | 59b8ad81 | bellard | env = cpu_init(); |
472 | 59b8ad81 | bellard | if (i != 0) |
473 | ad49ff9d | bellard | env->hflags |= HF_HALTED_MASK; |
474 | 59b8ad81 | bellard | if (smp_cpus > 1) { |
475 | 59b8ad81 | bellard | /* XXX: enable it in all cases */
|
476 | 59b8ad81 | bellard | env->cpuid_features |= CPUID_APIC; |
477 | 59b8ad81 | bellard | } |
478 | a5954d5c | bellard | register_savevm("cpu", i, 4, cpu_save, cpu_load, env); |
479 | 59b8ad81 | bellard | qemu_register_reset(main_cpu_reset, env); |
480 | 59b8ad81 | bellard | if (pci_enabled) {
|
481 | 59b8ad81 | bellard | apic_init(env); |
482 | 59b8ad81 | bellard | } |
483 | 59b8ad81 | bellard | } |
484 | 59b8ad81 | bellard | |
485 | 80cabfad | bellard | /* allocate RAM */
|
486 | 970ac5a3 | bellard | ram_addr = qemu_ram_alloc(ram_size); |
487 | 970ac5a3 | bellard | cpu_register_physical_memory(0, ram_size, ram_addr);
|
488 | 80cabfad | bellard | |
489 | 970ac5a3 | bellard | /* allocate VGA RAM */
|
490 | 970ac5a3 | bellard | vga_ram_addr = qemu_ram_alloc(vga_ram_size); |
491 | 7587cf44 | bellard | |
492 | 970ac5a3 | bellard | /* BIOS load */
|
493 | 80cabfad | bellard | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME); |
494 | 7587cf44 | bellard | bios_size = get_image_size(buf); |
495 | 7587cf44 | bellard | if (bios_size <= 0 || |
496 | 970ac5a3 | bellard | (bios_size % 65536) != 0) { |
497 | 7587cf44 | bellard | goto bios_error;
|
498 | 7587cf44 | bellard | } |
499 | 970ac5a3 | bellard | bios_offset = qemu_ram_alloc(bios_size); |
500 | 7587cf44 | bellard | ret = load_image(buf, phys_ram_base + bios_offset); |
501 | 7587cf44 | bellard | if (ret != bios_size) {
|
502 | 7587cf44 | bellard | bios_error:
|
503 | 970ac5a3 | bellard | fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", buf);
|
504 | 80cabfad | bellard | exit(1);
|
505 | 80cabfad | bellard | } |
506 | 7587cf44 | bellard | |
507 | 80cabfad | bellard | /* VGA BIOS load */
|
508 | de9258a8 | bellard | if (cirrus_vga_enabled) {
|
509 | de9258a8 | bellard | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME); |
510 | de9258a8 | bellard | } else {
|
511 | de9258a8 | bellard | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME); |
512 | de9258a8 | bellard | } |
513 | 970ac5a3 | bellard | vga_bios_size = get_image_size(buf); |
514 | 970ac5a3 | bellard | if (vga_bios_size <= 0 || vga_bios_size > 65536) |
515 | 970ac5a3 | bellard | goto vga_bios_error;
|
516 | 970ac5a3 | bellard | vga_bios_offset = qemu_ram_alloc(65536);
|
517 | 970ac5a3 | bellard | |
518 | 7587cf44 | bellard | ret = load_image(buf, phys_ram_base + vga_bios_offset); |
519 | 970ac5a3 | bellard | if (ret != vga_bios_size) {
|
520 | 970ac5a3 | bellard | vga_bios_error:
|
521 | 970ac5a3 | bellard | fprintf(stderr, "qemu: could not load VGA BIOS '%s'\n", buf);
|
522 | 970ac5a3 | bellard | exit(1);
|
523 | 970ac5a3 | bellard | } |
524 | 970ac5a3 | bellard | |
525 | 80cabfad | bellard | /* setup basic memory access */
|
526 | 7587cf44 | bellard | cpu_register_physical_memory(0xc0000, 0x10000, |
527 | 7587cf44 | bellard | vga_bios_offset | IO_MEM_ROM); |
528 | 7587cf44 | bellard | |
529 | 7587cf44 | bellard | /* map the last 128KB of the BIOS in ISA space */
|
530 | 7587cf44 | bellard | isa_bios_size = bios_size; |
531 | 7587cf44 | bellard | if (isa_bios_size > (128 * 1024)) |
532 | 7587cf44 | bellard | isa_bios_size = 128 * 1024; |
533 | 7587cf44 | bellard | cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size, |
534 | 7587cf44 | bellard | IO_MEM_UNASSIGNED); |
535 | 7587cf44 | bellard | cpu_register_physical_memory(0x100000 - isa_bios_size,
|
536 | 7587cf44 | bellard | isa_bios_size, |
537 | 7587cf44 | bellard | (bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM); |
538 | 9ae02555 | ths | |
539 | 970ac5a3 | bellard | { |
540 | 970ac5a3 | bellard | ram_addr_t option_rom_offset; |
541 | 970ac5a3 | bellard | int size, offset;
|
542 | 970ac5a3 | bellard | |
543 | 970ac5a3 | bellard | offset = 0;
|
544 | 970ac5a3 | bellard | for (i = 0; i < nb_option_roms; i++) { |
545 | 970ac5a3 | bellard | size = get_image_size(option_rom[i]); |
546 | 970ac5a3 | bellard | if (size < 0) { |
547 | 970ac5a3 | bellard | fprintf(stderr, "Could not load option rom '%s'\n",
|
548 | 970ac5a3 | bellard | option_rom[i]); |
549 | 970ac5a3 | bellard | exit(1);
|
550 | 970ac5a3 | bellard | } |
551 | 970ac5a3 | bellard | if (size > (0x10000 - offset)) |
552 | 970ac5a3 | bellard | goto option_rom_error;
|
553 | 970ac5a3 | bellard | option_rom_offset = qemu_ram_alloc(size); |
554 | 970ac5a3 | bellard | ret = load_image(option_rom[i], phys_ram_base + option_rom_offset); |
555 | 970ac5a3 | bellard | if (ret != size) {
|
556 | 970ac5a3 | bellard | option_rom_error:
|
557 | 970ac5a3 | bellard | fprintf(stderr, "Too many option ROMS\n");
|
558 | 970ac5a3 | bellard | exit(1);
|
559 | 970ac5a3 | bellard | } |
560 | 970ac5a3 | bellard | size = (size + 4095) & ~4095; |
561 | 970ac5a3 | bellard | cpu_register_physical_memory(0xd0000 + offset,
|
562 | 970ac5a3 | bellard | size, option_rom_offset | IO_MEM_ROM); |
563 | 970ac5a3 | bellard | offset += size; |
564 | 970ac5a3 | bellard | } |
565 | 9ae02555 | ths | } |
566 | 9ae02555 | ths | |
567 | 7587cf44 | bellard | /* map all the bios at the top of memory */
|
568 | 7587cf44 | bellard | cpu_register_physical_memory((uint32_t)(-bios_size), |
569 | 7587cf44 | bellard | bios_size, bios_offset | IO_MEM_ROM); |
570 | 80cabfad | bellard | |
571 | 80cabfad | bellard | bochs_bios_init(); |
572 | 80cabfad | bellard | |
573 | 80cabfad | bellard | if (linux_boot) {
|
574 | 80cabfad | bellard | uint8_t bootsect[512];
|
575 | 41b9be47 | bellard | uint8_t old_bootsect[512];
|
576 | 80cabfad | bellard | |
577 | 80cabfad | bellard | if (bs_table[0] == NULL) { |
578 | 80cabfad | bellard | fprintf(stderr, "A disk image must be given for 'hda' when booting a Linux kernel\n");
|
579 | 80cabfad | bellard | exit(1);
|
580 | 80cabfad | bellard | } |
581 | 80cabfad | bellard | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, LINUX_BOOT_FILENAME); |
582 | 80cabfad | bellard | ret = load_image(buf, bootsect); |
583 | 80cabfad | bellard | if (ret != sizeof(bootsect)) { |
584 | 80cabfad | bellard | fprintf(stderr, "qemu: could not load linux boot sector '%s'\n",
|
585 | 80cabfad | bellard | buf); |
586 | 80cabfad | bellard | exit(1);
|
587 | 80cabfad | bellard | } |
588 | 80cabfad | bellard | |
589 | 41b9be47 | bellard | if (bdrv_read(bs_table[0], 0, old_bootsect, 1) >= 0) { |
590 | 41b9be47 | bellard | /* copy the MSDOS partition table */
|
591 | 41b9be47 | bellard | memcpy(bootsect + 0x1be, old_bootsect + 0x1be, 0x40); |
592 | 41b9be47 | bellard | } |
593 | 41b9be47 | bellard | |
594 | 80cabfad | bellard | bdrv_set_boot_sector(bs_table[0], bootsect, sizeof(bootsect)); |
595 | 80cabfad | bellard | |
596 | 80cabfad | bellard | /* now we can load the kernel */
|
597 | 80cabfad | bellard | ret = load_kernel(kernel_filename, |
598 | 80cabfad | bellard | phys_ram_base + KERNEL_LOAD_ADDR, |
599 | 80cabfad | bellard | phys_ram_base + KERNEL_PARAMS_ADDR); |
600 | 80cabfad | bellard | if (ret < 0) { |
601 | 80cabfad | bellard | fprintf(stderr, "qemu: could not load kernel '%s'\n",
|
602 | 80cabfad | bellard | kernel_filename); |
603 | 80cabfad | bellard | exit(1);
|
604 | 80cabfad | bellard | } |
605 | 80cabfad | bellard | |
606 | 80cabfad | bellard | /* load initrd */
|
607 | 80cabfad | bellard | initrd_size = 0;
|
608 | a80274c3 | pbrook | initrd_offset = 0;
|
609 | 80cabfad | bellard | if (initrd_filename) {
|
610 | a80274c3 | pbrook | initrd_size = get_image_size (initrd_filename); |
611 | a80274c3 | pbrook | if (initrd_size > 0) { |
612 | a80274c3 | pbrook | initrd_offset = (ram_size - initrd_size) & TARGET_PAGE_MASK; |
613 | a80274c3 | pbrook | /* Leave space for BIOS ACPI tables. */
|
614 | a80274c3 | pbrook | initrd_offset -= ACPI_DATA_SIZE; |
615 | a80274c3 | pbrook | /* Avoid the last 64k to avoid 2.2.x kernel bugs. */
|
616 | a80274c3 | pbrook | initrd_offset -= 0x10000;
|
617 | a80274c3 | pbrook | if (initrd_offset > MAX_INITRD_LOAD_ADDR)
|
618 | a80274c3 | pbrook | initrd_offset = MAX_INITRD_LOAD_ADDR; |
619 | a80274c3 | pbrook | |
620 | a80274c3 | pbrook | if (initrd_size > ram_size
|
621 | a80274c3 | pbrook | || initrd_offset < KERNEL_LOAD_ADDR + ret) { |
622 | a80274c3 | pbrook | fprintf(stderr, |
623 | a80274c3 | pbrook | "qemu: memory too small for initial ram disk '%s'\n",
|
624 | a80274c3 | pbrook | initrd_filename); |
625 | a80274c3 | pbrook | exit(1);
|
626 | a80274c3 | pbrook | } |
627 | a80274c3 | pbrook | initrd_size = load_image(initrd_filename, |
628 | a80274c3 | pbrook | phys_ram_base + initrd_offset); |
629 | a80274c3 | pbrook | } |
630 | 80cabfad | bellard | if (initrd_size < 0) { |
631 | 80cabfad | bellard | fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
|
632 | 80cabfad | bellard | initrd_filename); |
633 | 80cabfad | bellard | exit(1);
|
634 | 80cabfad | bellard | } |
635 | 80cabfad | bellard | } |
636 | 80cabfad | bellard | if (initrd_size > 0) { |
637 | a80274c3 | pbrook | stl_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x218, initrd_offset);
|
638 | 80cabfad | bellard | stl_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x21c, initrd_size);
|
639 | 80cabfad | bellard | } |
640 | 80cabfad | bellard | pstrcpy(phys_ram_base + KERNEL_CMDLINE_ADDR, 4096,
|
641 | 80cabfad | bellard | kernel_cmdline); |
642 | 80cabfad | bellard | stw_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x20, 0xA33F); |
643 | 80cabfad | bellard | stw_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x22,
|
644 | 80cabfad | bellard | KERNEL_CMDLINE_ADDR - KERNEL_PARAMS_ADDR); |
645 | 80cabfad | bellard | /* loader type */
|
646 | 80cabfad | bellard | stw_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x210, 0x01); |
647 | 80cabfad | bellard | } |
648 | 80cabfad | bellard | |
649 | d537cf6c | pbrook | cpu_irq = qemu_allocate_irqs(pic_irq_request, first_cpu, 1);
|
650 | d537cf6c | pbrook | i8259 = i8259_init(cpu_irq[0]);
|
651 | d537cf6c | pbrook | ferr_irq = i8259[13];
|
652 | d537cf6c | pbrook | |
653 | 69b91039 | bellard | if (pci_enabled) {
|
654 | d537cf6c | pbrook | pci_bus = i440fx_init(&i440fx_state, i8259); |
655 | 8f1c91d8 | ths | piix3_devfn = piix3_init(pci_bus, -1);
|
656 | 46e50e9d | bellard | } else {
|
657 | 46e50e9d | bellard | pci_bus = NULL;
|
658 | 69b91039 | bellard | } |
659 | 69b91039 | bellard | |
660 | 80cabfad | bellard | /* init basic PC hardware */
|
661 | b41a2cd1 | bellard | register_ioport_write(0x80, 1, 1, ioport80_write, NULL); |
662 | 80cabfad | bellard | |
663 | f929aad6 | bellard | register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL); |
664 | f929aad6 | bellard | |
665 | 1f04275e | bellard | if (cirrus_vga_enabled) {
|
666 | 1f04275e | bellard | if (pci_enabled) {
|
667 | 46e50e9d | bellard | pci_cirrus_vga_init(pci_bus, |
668 | 970ac5a3 | bellard | ds, phys_ram_base + vga_ram_addr, |
669 | 970ac5a3 | bellard | vga_ram_addr, vga_ram_size); |
670 | 1f04275e | bellard | } else {
|
671 | 970ac5a3 | bellard | isa_cirrus_vga_init(ds, phys_ram_base + vga_ram_addr, |
672 | 970ac5a3 | bellard | vga_ram_addr, vga_ram_size); |
673 | 1f04275e | bellard | } |
674 | d34cab9f | ths | } else if (vmsvga_enabled) { |
675 | d34cab9f | ths | if (pci_enabled)
|
676 | d34cab9f | ths | pci_vmsvga_init(pci_bus, ds, phys_ram_base + ram_size, |
677 | d34cab9f | ths | ram_size, vga_ram_size); |
678 | d34cab9f | ths | else
|
679 | d34cab9f | ths | fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__);
|
680 | 1f04275e | bellard | } else {
|
681 | 89b6b508 | bellard | if (pci_enabled) {
|
682 | 970ac5a3 | bellard | pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr, |
683 | 970ac5a3 | bellard | vga_ram_addr, vga_ram_size, 0, 0); |
684 | 89b6b508 | bellard | } else {
|
685 | 970ac5a3 | bellard | isa_vga_init(ds, phys_ram_base + vga_ram_addr, |
686 | 970ac5a3 | bellard | vga_ram_addr, vga_ram_size); |
687 | 89b6b508 | bellard | } |
688 | 1f04275e | bellard | } |
689 | 80cabfad | bellard | |
690 | d537cf6c | pbrook | rtc_state = rtc_init(0x70, i8259[8]); |
691 | 80cabfad | bellard | |
692 | e1a23744 | bellard | register_ioport_read(0x92, 1, 1, ioport92_read, NULL); |
693 | e1a23744 | bellard | register_ioport_write(0x92, 1, 1, ioport92_write, NULL); |
694 | e1a23744 | bellard | |
695 | d592d303 | bellard | if (pci_enabled) {
|
696 | d592d303 | bellard | ioapic = ioapic_init(); |
697 | d592d303 | bellard | } |
698 | d537cf6c | pbrook | pit = pit_init(0x40, i8259[0]); |
699 | fd06c375 | bellard | pcspk_init(pit); |
700 | d592d303 | bellard | if (pci_enabled) {
|
701 | d592d303 | bellard | pic_set_alt_irq_func(isa_pic, ioapic_set_irq, ioapic); |
702 | d592d303 | bellard | } |
703 | b41a2cd1 | bellard | |
704 | 8d11df9e | bellard | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
705 | 8d11df9e | bellard | if (serial_hds[i]) {
|
706 | d537cf6c | pbrook | serial_init(serial_io[i], i8259[serial_irq[i]], serial_hds[i]); |
707 | 8d11df9e | bellard | } |
708 | 8d11df9e | bellard | } |
709 | b41a2cd1 | bellard | |
710 | 6508fe59 | bellard | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
711 | 6508fe59 | bellard | if (parallel_hds[i]) {
|
712 | d537cf6c | pbrook | parallel_init(parallel_io[i], i8259[parallel_irq[i]], |
713 | d537cf6c | pbrook | parallel_hds[i]); |
714 | 6508fe59 | bellard | } |
715 | 6508fe59 | bellard | } |
716 | 6508fe59 | bellard | |
717 | a41b2ff2 | pbrook | for(i = 0; i < nb_nics; i++) { |
718 | a41b2ff2 | pbrook | nd = &nd_table[i]; |
719 | a41b2ff2 | pbrook | if (!nd->model) {
|
720 | a41b2ff2 | pbrook | if (pci_enabled) {
|
721 | a41b2ff2 | pbrook | nd->model = "ne2k_pci";
|
722 | a41b2ff2 | pbrook | } else {
|
723 | a41b2ff2 | pbrook | nd->model = "ne2k_isa";
|
724 | a41b2ff2 | pbrook | } |
725 | 69b91039 | bellard | } |
726 | a41b2ff2 | pbrook | if (strcmp(nd->model, "ne2k_isa") == 0) { |
727 | d537cf6c | pbrook | pc_init_ne2k_isa(nd, i8259); |
728 | a41b2ff2 | pbrook | } else if (pci_enabled) { |
729 | abcebc7e | ths | pci_nic_init(pci_bus, nd, -1);
|
730 | a41b2ff2 | pbrook | } else {
|
731 | a41b2ff2 | pbrook | fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
|
732 | a41b2ff2 | pbrook | exit(1);
|
733 | 69b91039 | bellard | } |
734 | a41b2ff2 | pbrook | } |
735 | b41a2cd1 | bellard | |
736 | a41b2ff2 | pbrook | if (pci_enabled) {
|
737 | d537cf6c | pbrook | pci_piix3_ide_init(pci_bus, bs_table, piix3_devfn + 1, i8259);
|
738 | a41b2ff2 | pbrook | } else {
|
739 | 69b91039 | bellard | for(i = 0; i < 2; i++) { |
740 | d537cf6c | pbrook | isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]], |
741 | 69b91039 | bellard | bs_table[2 * i], bs_table[2 * i + 1]); |
742 | 69b91039 | bellard | } |
743 | b41a2cd1 | bellard | } |
744 | 69b91039 | bellard | |
745 | d537cf6c | pbrook | i8042_init(i8259[1], i8259[12], 0x60); |
746 | 7c29d0c0 | bellard | DMA_init(0);
|
747 | 6a36d84e | bellard | #ifdef HAS_AUDIO
|
748 | d537cf6c | pbrook | audio_init(pci_enabled ? pci_bus : NULL, i8259);
|
749 | fb065187 | bellard | #endif
|
750 | 80cabfad | bellard | |
751 | d537cf6c | pbrook | floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd_table); |
752 | b41a2cd1 | bellard | |
753 | ba6c2377 | bellard | cmos_init(ram_size, boot_device, bs_table); |
754 | 69b91039 | bellard | |
755 | bb36d470 | bellard | if (pci_enabled && usb_enabled) {
|
756 | 0d92ed30 | pbrook | usb_uhci_init(pci_bus, piix3_devfn + 2);
|
757 | bb36d470 | bellard | } |
758 | bb36d470 | bellard | |
759 | 6515b203 | bellard | if (pci_enabled && acpi_enabled) {
|
760 | 3fffc223 | ths | uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */ |
761 | 502a5395 | pbrook | piix4_pm_init(pci_bus, piix3_devfn + 3);
|
762 | 3fffc223 | ths | for (i = 0; i < 8; i++) { |
763 | 3fffc223 | ths | SMBusDevice *eeprom = smbus_eeprom_device_init(0x50 + i,
|
764 | 3fffc223 | ths | eeprom_buf + (i * 256));
|
765 | 3fffc223 | ths | piix4_smbus_register_device(eeprom, 0x50 + i);
|
766 | 3fffc223 | ths | } |
767 | 6515b203 | bellard | } |
768 | a5954d5c | bellard | |
769 | a5954d5c | bellard | if (i440fx_state) {
|
770 | a5954d5c | bellard | i440fx_init_memory_mappings(i440fx_state); |
771 | a5954d5c | bellard | } |
772 | 96d30e48 | ths | #if 0
|
773 | 96d30e48 | ths | /* ??? Need to figure out some way for the user to
|
774 | 96d30e48 | ths | specify SCSI devices. */
|
775 | 7d8406be | pbrook | if (pci_enabled) {
|
776 | 7d8406be | pbrook | void *scsi;
|
777 | 96d30e48 | ths | BlockDriverState *bdrv;
|
778 | 96d30e48 | ths | |
779 | 96d30e48 | ths | scsi = lsi_scsi_init(pci_bus, -1);
|
780 | 96d30e48 | ths | bdrv = bdrv_new("scsidisk");
|
781 | 96d30e48 | ths | bdrv_open(bdrv, "scsi_disk.img", 0);
|
782 | 96d30e48 | ths | lsi_scsi_attach(scsi, bdrv, -1);
|
783 | 96d30e48 | ths | bdrv = bdrv_new("scsicd");
|
784 | 96d30e48 | ths | bdrv_open(bdrv, "scsi_cd.iso", 0);
|
785 | 96d30e48 | ths | bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
|
786 | 96d30e48 | ths | lsi_scsi_attach(scsi, bdrv, -1);
|
787 | 7d8406be | pbrook | }
|
788 | 96d30e48 | ths | #endif
|
789 | 80cabfad | bellard | } |
790 | b5ff2d6e | bellard | |
791 | 3dbbdc25 | bellard | static void pc_init_pci(int ram_size, int vga_ram_size, int boot_device, |
792 | 3dbbdc25 | bellard | DisplayState *ds, const char **fd_filename, |
793 | 3dbbdc25 | bellard | int snapshot,
|
794 | 3dbbdc25 | bellard | const char *kernel_filename, |
795 | 3dbbdc25 | bellard | const char *kernel_cmdline, |
796 | 94fc95cd | j_mayer | const char *initrd_filename, |
797 | 94fc95cd | j_mayer | const char *cpu_model) |
798 | 3dbbdc25 | bellard | { |
799 | 3dbbdc25 | bellard | pc_init1(ram_size, vga_ram_size, boot_device, |
800 | 3dbbdc25 | bellard | ds, fd_filename, snapshot, |
801 | 3dbbdc25 | bellard | kernel_filename, kernel_cmdline, |
802 | 3dbbdc25 | bellard | initrd_filename, 1);
|
803 | 3dbbdc25 | bellard | } |
804 | 3dbbdc25 | bellard | |
805 | 3dbbdc25 | bellard | static void pc_init_isa(int ram_size, int vga_ram_size, int boot_device, |
806 | 3dbbdc25 | bellard | DisplayState *ds, const char **fd_filename, |
807 | 3dbbdc25 | bellard | int snapshot,
|
808 | 3dbbdc25 | bellard | const char *kernel_filename, |
809 | 3dbbdc25 | bellard | const char *kernel_cmdline, |
810 | 94fc95cd | j_mayer | const char *initrd_filename, |
811 | 94fc95cd | j_mayer | const char *cpu_model) |
812 | 3dbbdc25 | bellard | { |
813 | 3dbbdc25 | bellard | pc_init1(ram_size, vga_ram_size, boot_device, |
814 | 3dbbdc25 | bellard | ds, fd_filename, snapshot, |
815 | 3dbbdc25 | bellard | kernel_filename, kernel_cmdline, |
816 | 3dbbdc25 | bellard | initrd_filename, 0);
|
817 | 3dbbdc25 | bellard | } |
818 | 3dbbdc25 | bellard | |
819 | b5ff2d6e | bellard | QEMUMachine pc_machine = { |
820 | b5ff2d6e | bellard | "pc",
|
821 | b5ff2d6e | bellard | "Standard PC",
|
822 | 3dbbdc25 | bellard | pc_init_pci, |
823 | 3dbbdc25 | bellard | }; |
824 | 3dbbdc25 | bellard | |
825 | 3dbbdc25 | bellard | QEMUMachine isapc_machine = { |
826 | 3dbbdc25 | bellard | "isapc",
|
827 | 3dbbdc25 | bellard | "ISA-only PC",
|
828 | 3dbbdc25 | bellard | pc_init_isa, |
829 | b5ff2d6e | bellard | }; |