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1 | 80cabfad | bellard | /*
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2 | 80cabfad | bellard | * QEMU PC System Emulator
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3 | 5fafdf24 | ths | *
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4 | 80cabfad | bellard | * Copyright (c) 2003-2004 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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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 | 87ecb68b | pbrook | #include "hw.h" |
25 | 87ecb68b | pbrook | #include "pc.h" |
26 | aa28b9bf | Blue Swirl | #include "apic.h" |
27 | 87ecb68b | pbrook | #include "fdc.h" |
28 | c0897e0c | Markus Armbruster | #include "ide.h" |
29 | 87ecb68b | pbrook | #include "pci.h" |
30 | 18e08a55 | Michael S. Tsirkin | #include "vmware_vga.h" |
31 | 376253ec | aliguori | #include "monitor.h" |
32 | 3cce6243 | blueswir1 | #include "fw_cfg.h" |
33 | 16b29ae1 | aliguori | #include "hpet_emul.h" |
34 | b6f6e3d3 | aliguori | #include "smbios.h" |
35 | ca20cf32 | Blue Swirl | #include "loader.h" |
36 | ca20cf32 | Blue Swirl | #include "elf.h" |
37 | 52001445 | Adam Lackorzynski | #include "multiboot.h" |
38 | 1d914fa0 | Isaku Yamahata | #include "mc146818rtc.h" |
39 | b1277b03 | Jan Kiszka | #include "i8254.h" |
40 | 302fe51b | Jan Kiszka | #include "pcspk.h" |
41 | 60ba3cc2 | Jan Kiszka | #include "msi.h" |
42 | 822557eb | Jan Kiszka | #include "sysbus.h" |
43 | 666daa68 | Markus Armbruster | #include "sysemu.h" |
44 | 9b5b76d4 | Jan Kiszka | #include "kvm.h" |
45 | 1d31f66b | Peter Maydell | #include "kvm_i386.h" |
46 | 9468e9c4 | Wei Liu | #include "xen.h" |
47 | 2446333c | Blue Swirl | #include "blockdev.h" |
48 | 2b584959 | Markus Armbruster | #include "hw/block-common.h" |
49 | a19cbfb3 | Gerd Hoffmann | #include "ui/qemu-spice.h" |
50 | 00cb2a99 | Avi Kivity | #include "memory.h" |
51 | be20f9e9 | Avi Kivity | #include "exec-memory.h" |
52 | c2d8d311 | Stefano Stabellini | #include "arch_init.h" |
53 | ee785fed | Chegu Vinod | #include "bitmap.h" |
54 | c1195d16 | zhlcindy@gmail.com | #include "vga-pci.h" |
55 | 80cabfad | bellard | |
56 | 471fd342 | Blue Swirl | /* debug PC/ISA interrupts */
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57 | 471fd342 | Blue Swirl | //#define DEBUG_IRQ
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58 | 471fd342 | Blue Swirl | |
59 | 471fd342 | Blue Swirl | #ifdef DEBUG_IRQ
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60 | 471fd342 | Blue Swirl | #define DPRINTF(fmt, ...) \
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61 | 471fd342 | Blue Swirl | do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0) |
62 | 471fd342 | Blue Swirl | #else
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63 | 471fd342 | Blue Swirl | #define DPRINTF(fmt, ...)
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64 | 471fd342 | Blue Swirl | #endif
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65 | 471fd342 | Blue Swirl | |
66 | a80274c3 | pbrook | /* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
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67 | a80274c3 | pbrook | #define ACPI_DATA_SIZE 0x10000 |
68 | 3cce6243 | blueswir1 | #define BIOS_CFG_IOPORT 0x510 |
69 | 8a92ea2f | aliguori | #define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0) |
70 | b6f6e3d3 | aliguori | #define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1) |
71 | 6b35e7bf | Jes Sorensen | #define FW_CFG_IRQ0_OVERRIDE (FW_CFG_ARCH_LOCAL + 2) |
72 | 4c5b10b7 | Jes Sorensen | #define FW_CFG_E820_TABLE (FW_CFG_ARCH_LOCAL + 3) |
73 | 40ac17cd | Gleb Natapov | #define FW_CFG_HPET (FW_CFG_ARCH_LOCAL + 4) |
74 | 80cabfad | bellard | |
75 | 92a16d7a | Blue Swirl | #define MSI_ADDR_BASE 0xfee00000 |
76 | 92a16d7a | Blue Swirl | |
77 | 4c5b10b7 | Jes Sorensen | #define E820_NR_ENTRIES 16 |
78 | 4c5b10b7 | Jes Sorensen | |
79 | 4c5b10b7 | Jes Sorensen | struct e820_entry {
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80 | 4c5b10b7 | Jes Sorensen | uint64_t address; |
81 | 4c5b10b7 | Jes Sorensen | uint64_t length; |
82 | 4c5b10b7 | Jes Sorensen | uint32_t type; |
83 | 541dc0d4 | Stefan Weil | } QEMU_PACKED __attribute((__aligned__(4)));
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84 | 4c5b10b7 | Jes Sorensen | |
85 | 4c5b10b7 | Jes Sorensen | struct e820_table {
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86 | 4c5b10b7 | Jes Sorensen | uint32_t count; |
87 | 4c5b10b7 | Jes Sorensen | struct e820_entry entry[E820_NR_ENTRIES];
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88 | 541dc0d4 | Stefan Weil | } QEMU_PACKED __attribute((__aligned__(4)));
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89 | 4c5b10b7 | Jes Sorensen | |
90 | 4c5b10b7 | Jes Sorensen | static struct e820_table e820_table; |
91 | dd703b99 | Blue Swirl | struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};
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92 | 4c5b10b7 | Jes Sorensen | |
93 | b881fbe9 | Jan Kiszka | void gsi_handler(void *opaque, int n, int level) |
94 | 1452411b | Avi Kivity | { |
95 | b881fbe9 | Jan Kiszka | GSIState *s = opaque; |
96 | 1452411b | Avi Kivity | |
97 | b881fbe9 | Jan Kiszka | DPRINTF("pc: %s GSI %d\n", level ? "raising" : "lowering", n); |
98 | b881fbe9 | Jan Kiszka | if (n < ISA_NUM_IRQS) {
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99 | b881fbe9 | Jan Kiszka | qemu_set_irq(s->i8259_irq[n], level); |
100 | 1632dc6a | Avi Kivity | } |
101 | b881fbe9 | Jan Kiszka | qemu_set_irq(s->ioapic_irq[n], level); |
102 | 2e9947d2 | Jan Kiszka | } |
103 | 1452411b | Avi Kivity | |
104 | b41a2cd1 | bellard | static void ioport80_write(void *opaque, uint32_t addr, uint32_t data) |
105 | 80cabfad | bellard | { |
106 | 80cabfad | bellard | } |
107 | 80cabfad | bellard | |
108 | f929aad6 | bellard | /* MSDOS compatibility mode FPU exception support */
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109 | d537cf6c | pbrook | static qemu_irq ferr_irq;
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110 | 8e78eb28 | Isaku Yamahata | |
111 | 8e78eb28 | Isaku Yamahata | void pc_register_ferr_irq(qemu_irq irq)
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112 | 8e78eb28 | Isaku Yamahata | { |
113 | 8e78eb28 | Isaku Yamahata | ferr_irq = irq; |
114 | 8e78eb28 | Isaku Yamahata | } |
115 | 8e78eb28 | Isaku Yamahata | |
116 | f929aad6 | bellard | /* XXX: add IGNNE support */
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117 | f929aad6 | bellard | void cpu_set_ferr(CPUX86State *s)
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118 | f929aad6 | bellard | { |
119 | d537cf6c | pbrook | qemu_irq_raise(ferr_irq); |
120 | f929aad6 | bellard | } |
121 | f929aad6 | bellard | |
122 | f929aad6 | bellard | static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data) |
123 | f929aad6 | bellard | { |
124 | d537cf6c | pbrook | qemu_irq_lower(ferr_irq); |
125 | f929aad6 | bellard | } |
126 | f929aad6 | bellard | |
127 | 28ab0e2e | bellard | /* TSC handling */
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128 | 28ab0e2e | bellard | uint64_t cpu_get_tsc(CPUX86State *env) |
129 | 28ab0e2e | bellard | { |
130 | 4a1418e0 | Anthony Liguori | return cpu_get_ticks();
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131 | 28ab0e2e | bellard | } |
132 | 28ab0e2e | bellard | |
133 | a5954d5c | bellard | /* SMM support */
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134 | f885f1ea | Isaku Yamahata | |
135 | f885f1ea | Isaku Yamahata | static cpu_set_smm_t smm_set;
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136 | f885f1ea | Isaku Yamahata | static void *smm_arg; |
137 | f885f1ea | Isaku Yamahata | |
138 | f885f1ea | Isaku Yamahata | void cpu_smm_register(cpu_set_smm_t callback, void *arg) |
139 | f885f1ea | Isaku Yamahata | { |
140 | f885f1ea | Isaku Yamahata | assert(smm_set == NULL);
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141 | f885f1ea | Isaku Yamahata | assert(smm_arg == NULL);
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142 | f885f1ea | Isaku Yamahata | smm_set = callback; |
143 | f885f1ea | Isaku Yamahata | smm_arg = arg; |
144 | f885f1ea | Isaku Yamahata | } |
145 | f885f1ea | Isaku Yamahata | |
146 | 4a8fa5dc | Andreas Färber | void cpu_smm_update(CPUX86State *env)
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147 | a5954d5c | bellard | { |
148 | f885f1ea | Isaku Yamahata | if (smm_set && smm_arg && env == first_cpu)
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149 | f885f1ea | Isaku Yamahata | smm_set(!!(env->hflags & HF_SMM_MASK), smm_arg); |
150 | a5954d5c | bellard | } |
151 | a5954d5c | bellard | |
152 | a5954d5c | bellard | |
153 | 3de388f6 | bellard | /* IRQ handling */
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154 | 4a8fa5dc | Andreas Färber | int cpu_get_pic_interrupt(CPUX86State *env)
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155 | 3de388f6 | bellard | { |
156 | 3de388f6 | bellard | int intno;
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157 | 3de388f6 | bellard | |
158 | cf6d64bf | Blue Swirl | intno = apic_get_interrupt(env->apic_state); |
159 | 3de388f6 | bellard | if (intno >= 0) { |
160 | 3de388f6 | bellard | return intno;
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161 | 3de388f6 | bellard | } |
162 | 3de388f6 | bellard | /* read the irq from the PIC */
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163 | cf6d64bf | Blue Swirl | if (!apic_accept_pic_intr(env->apic_state)) {
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164 | 0e21e12b | ths | return -1; |
165 | cf6d64bf | Blue Swirl | } |
166 | 0e21e12b | ths | |
167 | 3de388f6 | bellard | intno = pic_read_irq(isa_pic); |
168 | 3de388f6 | bellard | return intno;
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169 | 3de388f6 | bellard | } |
170 | 3de388f6 | bellard | |
171 | d537cf6c | pbrook | static void pic_irq_request(void *opaque, int irq, int level) |
172 | 3de388f6 | bellard | { |
173 | 4a8fa5dc | Andreas Färber | CPUX86State *env = first_cpu; |
174 | a5b38b51 | aurel32 | |
175 | 471fd342 | Blue Swirl | DPRINTF("pic_irqs: %s irq %d\n", level? "raise" : "lower", irq); |
176 | d5529471 | aurel32 | if (env->apic_state) {
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177 | d5529471 | aurel32 | while (env) {
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178 | cf6d64bf | Blue Swirl | if (apic_accept_pic_intr(env->apic_state)) {
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179 | cf6d64bf | Blue Swirl | apic_deliver_pic_intr(env->apic_state, level); |
180 | cf6d64bf | Blue Swirl | } |
181 | d5529471 | aurel32 | env = env->next_cpu; |
182 | d5529471 | aurel32 | } |
183 | d5529471 | aurel32 | } else {
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184 | b614106a | aurel32 | if (level)
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185 | b614106a | aurel32 | cpu_interrupt(env, CPU_INTERRUPT_HARD); |
186 | b614106a | aurel32 | else
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187 | b614106a | aurel32 | cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); |
188 | a5b38b51 | aurel32 | } |
189 | 3de388f6 | bellard | } |
190 | 3de388f6 | bellard | |
191 | b0a21b53 | bellard | /* PC cmos mappings */
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192 | b0a21b53 | bellard | |
193 | 80cabfad | bellard | #define REG_EQUIPMENT_BYTE 0x14 |
194 | 80cabfad | bellard | |
195 | d288c7ba | Blue Swirl | static int cmos_get_fd_drive_type(FDriveType fd0) |
196 | 777428f2 | bellard | { |
197 | 777428f2 | bellard | int val;
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198 | 777428f2 | bellard | |
199 | 777428f2 | bellard | switch (fd0) {
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200 | d288c7ba | Blue Swirl | case FDRIVE_DRV_144:
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201 | 777428f2 | bellard | /* 1.44 Mb 3"5 drive */
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202 | 777428f2 | bellard | val = 4;
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203 | 777428f2 | bellard | break;
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204 | d288c7ba | Blue Swirl | case FDRIVE_DRV_288:
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205 | 777428f2 | bellard | /* 2.88 Mb 3"5 drive */
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206 | 777428f2 | bellard | val = 5;
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207 | 777428f2 | bellard | break;
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208 | d288c7ba | Blue Swirl | case FDRIVE_DRV_120:
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209 | 777428f2 | bellard | /* 1.2 Mb 5"5 drive */
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210 | 777428f2 | bellard | val = 2;
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211 | 777428f2 | bellard | break;
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212 | d288c7ba | Blue Swirl | case FDRIVE_DRV_NONE:
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213 | 777428f2 | bellard | default:
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214 | 777428f2 | bellard | val = 0;
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215 | 777428f2 | bellard | break;
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216 | 777428f2 | bellard | } |
217 | 777428f2 | bellard | return val;
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218 | 777428f2 | bellard | } |
219 | 777428f2 | bellard | |
220 | 9139046c | Markus Armbruster | static void cmos_init_hd(ISADevice *s, int type_ofs, int info_ofs, |
221 | 9139046c | Markus Armbruster | int16_t cylinders, int8_t heads, int8_t sectors) |
222 | ba6c2377 | bellard | { |
223 | ba6c2377 | bellard | rtc_set_memory(s, type_ofs, 47);
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224 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs, cylinders); |
225 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 1, cylinders >> 8); |
226 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 2, heads);
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227 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 3, 0xff); |
228 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 4, 0xff); |
229 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3)); |
230 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 6, cylinders);
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231 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 7, cylinders >> 8); |
232 | ba6c2377 | bellard | rtc_set_memory(s, info_ofs + 8, sectors);
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233 | ba6c2377 | bellard | } |
234 | ba6c2377 | bellard | |
235 | 6ac0e82d | balrog | /* convert boot_device letter to something recognizable by the bios */
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236 | 6ac0e82d | balrog | static int boot_device2nibble(char boot_device) |
237 | 6ac0e82d | balrog | { |
238 | 6ac0e82d | balrog | switch(boot_device) {
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239 | 6ac0e82d | balrog | case 'a': |
240 | 6ac0e82d | balrog | case 'b': |
241 | 6ac0e82d | balrog | return 0x01; /* floppy boot */ |
242 | 6ac0e82d | balrog | case 'c': |
243 | 6ac0e82d | balrog | return 0x02; /* hard drive boot */ |
244 | 6ac0e82d | balrog | case 'd': |
245 | 6ac0e82d | balrog | return 0x03; /* CD-ROM boot */ |
246 | 6ac0e82d | balrog | case 'n': |
247 | 6ac0e82d | balrog | return 0x04; /* Network boot */ |
248 | 6ac0e82d | balrog | } |
249 | 6ac0e82d | balrog | return 0; |
250 | 6ac0e82d | balrog | } |
251 | 6ac0e82d | balrog | |
252 | 1d914fa0 | Isaku Yamahata | static int set_boot_dev(ISADevice *s, const char *boot_device, int fd_bootchk) |
253 | 0ecdffbb | aurel32 | { |
254 | 0ecdffbb | aurel32 | #define PC_MAX_BOOT_DEVICES 3 |
255 | 0ecdffbb | aurel32 | int nbds, bds[3] = { 0, }; |
256 | 0ecdffbb | aurel32 | int i;
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257 | 0ecdffbb | aurel32 | |
258 | 0ecdffbb | aurel32 | nbds = strlen(boot_device); |
259 | 0ecdffbb | aurel32 | if (nbds > PC_MAX_BOOT_DEVICES) {
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260 | 1ecda02b | Markus Armbruster | error_report("Too many boot devices for PC");
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261 | 0ecdffbb | aurel32 | return(1); |
262 | 0ecdffbb | aurel32 | } |
263 | 0ecdffbb | aurel32 | for (i = 0; i < nbds; i++) { |
264 | 0ecdffbb | aurel32 | bds[i] = boot_device2nibble(boot_device[i]); |
265 | 0ecdffbb | aurel32 | if (bds[i] == 0) { |
266 | 1ecda02b | Markus Armbruster | error_report("Invalid boot device for PC: '%c'",
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267 | 1ecda02b | Markus Armbruster | boot_device[i]); |
268 | 0ecdffbb | aurel32 | return(1); |
269 | 0ecdffbb | aurel32 | } |
270 | 0ecdffbb | aurel32 | } |
271 | 0ecdffbb | aurel32 | rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]); |
272 | d9346e81 | Markus Armbruster | rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ? 0x0 : 0x1)); |
273 | 0ecdffbb | aurel32 | return(0); |
274 | 0ecdffbb | aurel32 | } |
275 | 0ecdffbb | aurel32 | |
276 | d9346e81 | Markus Armbruster | static int pc_boot_set(void *opaque, const char *boot_device) |
277 | d9346e81 | Markus Armbruster | { |
278 | d9346e81 | Markus Armbruster | return set_boot_dev(opaque, boot_device, 0); |
279 | d9346e81 | Markus Armbruster | } |
280 | d9346e81 | Markus Armbruster | |
281 | c0897e0c | Markus Armbruster | typedef struct pc_cmos_init_late_arg { |
282 | c0897e0c | Markus Armbruster | ISADevice *rtc_state; |
283 | 9139046c | Markus Armbruster | BusState *idebus[2];
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284 | c0897e0c | Markus Armbruster | } pc_cmos_init_late_arg; |
285 | c0897e0c | Markus Armbruster | |
286 | c0897e0c | Markus Armbruster | static void pc_cmos_init_late(void *opaque) |
287 | c0897e0c | Markus Armbruster | { |
288 | c0897e0c | Markus Armbruster | pc_cmos_init_late_arg *arg = opaque; |
289 | c0897e0c | Markus Armbruster | ISADevice *s = arg->rtc_state; |
290 | 9139046c | Markus Armbruster | int16_t cylinders; |
291 | 9139046c | Markus Armbruster | int8_t heads, sectors; |
292 | c0897e0c | Markus Armbruster | int val;
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293 | 2adc99b2 | Markus Armbruster | int i, trans;
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294 | c0897e0c | Markus Armbruster | |
295 | 9139046c | Markus Armbruster | val = 0;
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296 | 9139046c | Markus Armbruster | if (ide_get_geometry(arg->idebus[0], 0, |
297 | 9139046c | Markus Armbruster | &cylinders, &heads, §ors) >= 0) {
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298 | 9139046c | Markus Armbruster | cmos_init_hd(s, 0x19, 0x1b, cylinders, heads, sectors); |
299 | 9139046c | Markus Armbruster | val |= 0xf0;
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300 | 9139046c | Markus Armbruster | } |
301 | 9139046c | Markus Armbruster | if (ide_get_geometry(arg->idebus[0], 1, |
302 | 9139046c | Markus Armbruster | &cylinders, &heads, §ors) >= 0) {
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303 | 9139046c | Markus Armbruster | cmos_init_hd(s, 0x1a, 0x24, cylinders, heads, sectors); |
304 | 9139046c | Markus Armbruster | val |= 0x0f;
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305 | 9139046c | Markus Armbruster | } |
306 | 9139046c | Markus Armbruster | rtc_set_memory(s, 0x12, val);
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307 | c0897e0c | Markus Armbruster | |
308 | c0897e0c | Markus Armbruster | val = 0;
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309 | c0897e0c | Markus Armbruster | for (i = 0; i < 4; i++) { |
310 | 9139046c | Markus Armbruster | /* NOTE: ide_get_geometry() returns the physical
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311 | 9139046c | Markus Armbruster | geometry. It is always such that: 1 <= sects <= 63, 1
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312 | 9139046c | Markus Armbruster | <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
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313 | 9139046c | Markus Armbruster | geometry can be different if a translation is done. */
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314 | 9139046c | Markus Armbruster | if (ide_get_geometry(arg->idebus[i / 2], i % 2, |
315 | 9139046c | Markus Armbruster | &cylinders, &heads, §ors) >= 0) {
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316 | 2adc99b2 | Markus Armbruster | trans = ide_get_bios_chs_trans(arg->idebus[i / 2], i % 2) - 1; |
317 | 2adc99b2 | Markus Armbruster | assert((trans & ~3) == 0); |
318 | 2adc99b2 | Markus Armbruster | val |= trans << (i * 2);
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319 | c0897e0c | Markus Armbruster | } |
320 | c0897e0c | Markus Armbruster | } |
321 | c0897e0c | Markus Armbruster | rtc_set_memory(s, 0x39, val);
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322 | c0897e0c | Markus Armbruster | |
323 | c0897e0c | Markus Armbruster | qemu_unregister_reset(pc_cmos_init_late, opaque); |
324 | c0897e0c | Markus Armbruster | } |
325 | c0897e0c | Markus Armbruster | |
326 | 845773ab | Isaku Yamahata | void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
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327 | c0897e0c | Markus Armbruster | const char *boot_device, |
328 | 34d4260e | Kevin Wolf | ISADevice *floppy, BusState *idebus0, BusState *idebus1, |
329 | 63ffb564 | Blue Swirl | ISADevice *s) |
330 | 80cabfad | bellard | { |
331 | 61a8d649 | Markus Armbruster | int val, nb, i;
|
332 | 980bda8b | Peter Maydell | FDriveType fd_type[2] = { FDRIVE_DRV_NONE, FDRIVE_DRV_NONE };
|
333 | c0897e0c | Markus Armbruster | static pc_cmos_init_late_arg arg;
|
334 | b0a21b53 | bellard | |
335 | b0a21b53 | bellard | /* various important CMOS locations needed by PC/Bochs bios */
|
336 | 80cabfad | bellard | |
337 | 80cabfad | bellard | /* memory size */
|
338 | e89001f7 | Markus Armbruster | /* base memory (first MiB) */
|
339 | e89001f7 | Markus Armbruster | val = MIN(ram_size / 1024, 640); |
340 | 333190eb | bellard | rtc_set_memory(s, 0x15, val);
|
341 | 333190eb | bellard | rtc_set_memory(s, 0x16, val >> 8); |
342 | e89001f7 | Markus Armbruster | /* extended memory (next 64MiB) */
|
343 | e89001f7 | Markus Armbruster | if (ram_size > 1024 * 1024) { |
344 | e89001f7 | Markus Armbruster | val = (ram_size - 1024 * 1024) / 1024; |
345 | e89001f7 | Markus Armbruster | } else {
|
346 | e89001f7 | Markus Armbruster | val = 0;
|
347 | e89001f7 | Markus Armbruster | } |
348 | 80cabfad | bellard | if (val > 65535) |
349 | 80cabfad | bellard | val = 65535;
|
350 | b0a21b53 | bellard | rtc_set_memory(s, 0x17, val);
|
351 | b0a21b53 | bellard | rtc_set_memory(s, 0x18, val >> 8); |
352 | b0a21b53 | bellard | rtc_set_memory(s, 0x30, val);
|
353 | b0a21b53 | bellard | rtc_set_memory(s, 0x31, val >> 8); |
354 | e89001f7 | Markus Armbruster | /* memory between 16MiB and 4GiB */
|
355 | e89001f7 | Markus Armbruster | if (ram_size > 16 * 1024 * 1024) { |
356 | e89001f7 | Markus Armbruster | val = (ram_size - 16 * 1024 * 1024) / 65536; |
357 | e89001f7 | Markus Armbruster | } else {
|
358 | 9da98861 | bellard | val = 0;
|
359 | e89001f7 | Markus Armbruster | } |
360 | 80cabfad | bellard | if (val > 65535) |
361 | 80cabfad | bellard | val = 65535;
|
362 | b0a21b53 | bellard | rtc_set_memory(s, 0x34, val);
|
363 | b0a21b53 | bellard | rtc_set_memory(s, 0x35, val >> 8); |
364 | e89001f7 | Markus Armbruster | /* memory above 4GiB */
|
365 | e89001f7 | Markus Armbruster | val = above_4g_mem_size / 65536;
|
366 | e89001f7 | Markus Armbruster | rtc_set_memory(s, 0x5b, val);
|
367 | e89001f7 | Markus Armbruster | rtc_set_memory(s, 0x5c, val >> 8); |
368 | e89001f7 | Markus Armbruster | rtc_set_memory(s, 0x5d, val >> 16); |
369 | 3b46e624 | ths | |
370 | 298e01b6 | aurel32 | /* set the number of CPU */
|
371 | 298e01b6 | aurel32 | rtc_set_memory(s, 0x5f, smp_cpus - 1); |
372 | 298e01b6 | aurel32 | |
373 | 6ac0e82d | balrog | /* set boot devices, and disable floppy signature check if requested */
|
374 | d9346e81 | Markus Armbruster | if (set_boot_dev(s, boot_device, fd_bootchk)) {
|
375 | 28c5af54 | j_mayer | exit(1);
|
376 | 28c5af54 | j_mayer | } |
377 | 80cabfad | bellard | |
378 | b41a2cd1 | bellard | /* floppy type */
|
379 | 34d4260e | Kevin Wolf | if (floppy) {
|
380 | 34d4260e | Kevin Wolf | for (i = 0; i < 2; i++) { |
381 | 61a8d649 | Markus Armbruster | fd_type[i] = isa_fdc_get_drive_type(floppy, i); |
382 | 63ffb564 | Blue Swirl | } |
383 | 63ffb564 | Blue Swirl | } |
384 | 63ffb564 | Blue Swirl | val = (cmos_get_fd_drive_type(fd_type[0]) << 4) | |
385 | 63ffb564 | Blue Swirl | cmos_get_fd_drive_type(fd_type[1]);
|
386 | b0a21b53 | bellard | rtc_set_memory(s, 0x10, val);
|
387 | 3b46e624 | ths | |
388 | b0a21b53 | bellard | val = 0;
|
389 | b41a2cd1 | bellard | nb = 0;
|
390 | 63ffb564 | Blue Swirl | if (fd_type[0] < FDRIVE_DRV_NONE) { |
391 | 80cabfad | bellard | nb++; |
392 | d288c7ba | Blue Swirl | } |
393 | 63ffb564 | Blue Swirl | if (fd_type[1] < FDRIVE_DRV_NONE) { |
394 | 80cabfad | bellard | nb++; |
395 | d288c7ba | Blue Swirl | } |
396 | 80cabfad | bellard | switch (nb) {
|
397 | 80cabfad | bellard | case 0: |
398 | 80cabfad | bellard | break;
|
399 | 80cabfad | bellard | case 1: |
400 | b0a21b53 | bellard | val |= 0x01; /* 1 drive, ready for boot */ |
401 | 80cabfad | bellard | break;
|
402 | 80cabfad | bellard | case 2: |
403 | b0a21b53 | bellard | val |= 0x41; /* 2 drives, ready for boot */ |
404 | 80cabfad | bellard | break;
|
405 | 80cabfad | bellard | } |
406 | b0a21b53 | bellard | val |= 0x02; /* FPU is there */ |
407 | b0a21b53 | bellard | val |= 0x04; /* PS/2 mouse installed */ |
408 | b0a21b53 | bellard | rtc_set_memory(s, REG_EQUIPMENT_BYTE, val); |
409 | b0a21b53 | bellard | |
410 | ba6c2377 | bellard | /* hard drives */
|
411 | c0897e0c | Markus Armbruster | arg.rtc_state = s; |
412 | 9139046c | Markus Armbruster | arg.idebus[0] = idebus0;
|
413 | 9139046c | Markus Armbruster | arg.idebus[1] = idebus1;
|
414 | c0897e0c | Markus Armbruster | qemu_register_reset(pc_cmos_init_late, &arg); |
415 | 80cabfad | bellard | } |
416 | 80cabfad | bellard | |
417 | 4b78a802 | Blue Swirl | /* port 92 stuff: could be split off */
|
418 | 4b78a802 | Blue Swirl | typedef struct Port92State { |
419 | 4b78a802 | Blue Swirl | ISADevice dev; |
420 | 23af670e | Richard Henderson | MemoryRegion io; |
421 | 4b78a802 | Blue Swirl | uint8_t outport; |
422 | 4b78a802 | Blue Swirl | qemu_irq *a20_out; |
423 | 4b78a802 | Blue Swirl | } Port92State; |
424 | 4b78a802 | Blue Swirl | |
425 | 4b78a802 | Blue Swirl | static void port92_write(void *opaque, uint32_t addr, uint32_t val) |
426 | 4b78a802 | Blue Swirl | { |
427 | 4b78a802 | Blue Swirl | Port92State *s = opaque; |
428 | 4b78a802 | Blue Swirl | |
429 | 4b78a802 | Blue Swirl | DPRINTF("port92: write 0x%02x\n", val);
|
430 | 4b78a802 | Blue Swirl | s->outport = val; |
431 | 4b78a802 | Blue Swirl | qemu_set_irq(*s->a20_out, (val >> 1) & 1); |
432 | 4b78a802 | Blue Swirl | if (val & 1) { |
433 | 4b78a802 | Blue Swirl | qemu_system_reset_request(); |
434 | 4b78a802 | Blue Swirl | } |
435 | 4b78a802 | Blue Swirl | } |
436 | 4b78a802 | Blue Swirl | |
437 | 4b78a802 | Blue Swirl | static uint32_t port92_read(void *opaque, uint32_t addr) |
438 | 4b78a802 | Blue Swirl | { |
439 | 4b78a802 | Blue Swirl | Port92State *s = opaque; |
440 | 4b78a802 | Blue Swirl | uint32_t ret; |
441 | 4b78a802 | Blue Swirl | |
442 | 4b78a802 | Blue Swirl | ret = s->outport; |
443 | 4b78a802 | Blue Swirl | DPRINTF("port92: read 0x%02x\n", ret);
|
444 | 4b78a802 | Blue Swirl | return ret;
|
445 | 4b78a802 | Blue Swirl | } |
446 | 4b78a802 | Blue Swirl | |
447 | 4b78a802 | Blue Swirl | static void port92_init(ISADevice *dev, qemu_irq *a20_out) |
448 | 4b78a802 | Blue Swirl | { |
449 | 4b78a802 | Blue Swirl | Port92State *s = DO_UPCAST(Port92State, dev, dev); |
450 | 4b78a802 | Blue Swirl | |
451 | 4b78a802 | Blue Swirl | s->a20_out = a20_out; |
452 | 4b78a802 | Blue Swirl | } |
453 | 4b78a802 | Blue Swirl | |
454 | 4b78a802 | Blue Swirl | static const VMStateDescription vmstate_port92_isa = { |
455 | 4b78a802 | Blue Swirl | .name = "port92",
|
456 | 4b78a802 | Blue Swirl | .version_id = 1,
|
457 | 4b78a802 | Blue Swirl | .minimum_version_id = 1,
|
458 | 4b78a802 | Blue Swirl | .minimum_version_id_old = 1,
|
459 | 4b78a802 | Blue Swirl | .fields = (VMStateField []) { |
460 | 4b78a802 | Blue Swirl | VMSTATE_UINT8(outport, Port92State), |
461 | 4b78a802 | Blue Swirl | VMSTATE_END_OF_LIST() |
462 | 4b78a802 | Blue Swirl | } |
463 | 4b78a802 | Blue Swirl | }; |
464 | 4b78a802 | Blue Swirl | |
465 | 4b78a802 | Blue Swirl | static void port92_reset(DeviceState *d) |
466 | 4b78a802 | Blue Swirl | { |
467 | 4b78a802 | Blue Swirl | Port92State *s = container_of(d, Port92State, dev.qdev); |
468 | 4b78a802 | Blue Swirl | |
469 | 4b78a802 | Blue Swirl | s->outport &= ~1;
|
470 | 4b78a802 | Blue Swirl | } |
471 | 4b78a802 | Blue Swirl | |
472 | 23af670e | Richard Henderson | static const MemoryRegionPortio port92_portio[] = { |
473 | 23af670e | Richard Henderson | { 0, 1, 1, .read = port92_read, .write = port92_write }, |
474 | 23af670e | Richard Henderson | PORTIO_END_OF_LIST(), |
475 | 23af670e | Richard Henderson | }; |
476 | 23af670e | Richard Henderson | |
477 | 23af670e | Richard Henderson | static const MemoryRegionOps port92_ops = { |
478 | 23af670e | Richard Henderson | .old_portio = port92_portio |
479 | 23af670e | Richard Henderson | }; |
480 | 23af670e | Richard Henderson | |
481 | 4b78a802 | Blue Swirl | static int port92_initfn(ISADevice *dev) |
482 | 4b78a802 | Blue Swirl | { |
483 | 4b78a802 | Blue Swirl | Port92State *s = DO_UPCAST(Port92State, dev, dev); |
484 | 4b78a802 | Blue Swirl | |
485 | 23af670e | Richard Henderson | memory_region_init_io(&s->io, &port92_ops, s, "port92", 1); |
486 | 23af670e | Richard Henderson | isa_register_ioport(dev, &s->io, 0x92);
|
487 | 23af670e | Richard Henderson | |
488 | 4b78a802 | Blue Swirl | s->outport = 0;
|
489 | 4b78a802 | Blue Swirl | return 0; |
490 | 4b78a802 | Blue Swirl | } |
491 | 4b78a802 | Blue Swirl | |
492 | 8f04ee08 | Anthony Liguori | static void port92_class_initfn(ObjectClass *klass, void *data) |
493 | 8f04ee08 | Anthony Liguori | { |
494 | 39bffca2 | Anthony Liguori | DeviceClass *dc = DEVICE_CLASS(klass); |
495 | 8f04ee08 | Anthony Liguori | ISADeviceClass *ic = ISA_DEVICE_CLASS(klass); |
496 | 8f04ee08 | Anthony Liguori | ic->init = port92_initfn; |
497 | 39bffca2 | Anthony Liguori | dc->no_user = 1;
|
498 | 39bffca2 | Anthony Liguori | dc->reset = port92_reset; |
499 | 39bffca2 | Anthony Liguori | dc->vmsd = &vmstate_port92_isa; |
500 | 8f04ee08 | Anthony Liguori | } |
501 | 8f04ee08 | Anthony Liguori | |
502 | 39bffca2 | Anthony Liguori | static TypeInfo port92_info = {
|
503 | 39bffca2 | Anthony Liguori | .name = "port92",
|
504 | 39bffca2 | Anthony Liguori | .parent = TYPE_ISA_DEVICE, |
505 | 39bffca2 | Anthony Liguori | .instance_size = sizeof(Port92State),
|
506 | 39bffca2 | Anthony Liguori | .class_init = port92_class_initfn, |
507 | 4b78a802 | Blue Swirl | }; |
508 | 4b78a802 | Blue Swirl | |
509 | 83f7d43a | Andreas Färber | static void port92_register_types(void) |
510 | 4b78a802 | Blue Swirl | { |
511 | 39bffca2 | Anthony Liguori | type_register_static(&port92_info); |
512 | 4b78a802 | Blue Swirl | } |
513 | 83f7d43a | Andreas Färber | |
514 | 83f7d43a | Andreas Färber | type_init(port92_register_types) |
515 | 4b78a802 | Blue Swirl | |
516 | 956a3e6b | Blue Swirl | static void handle_a20_line_change(void *opaque, int irq, int level) |
517 | 59b8ad81 | bellard | { |
518 | 4a8fa5dc | Andreas Färber | CPUX86State *cpu = opaque; |
519 | e1a23744 | bellard | |
520 | 956a3e6b | Blue Swirl | /* XXX: send to all CPUs ? */
|
521 | 4b78a802 | Blue Swirl | /* XXX: add logic to handle multiple A20 line sources */
|
522 | 956a3e6b | Blue Swirl | cpu_x86_set_a20(cpu, level); |
523 | e1a23744 | bellard | } |
524 | e1a23744 | bellard | |
525 | 80cabfad | bellard | /***********************************************************/
|
526 | 80cabfad | bellard | /* Bochs BIOS debug ports */
|
527 | 80cabfad | bellard | |
528 | 9596ebb7 | pbrook | static void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val) |
529 | 80cabfad | bellard | { |
530 | a2f659ee | bellard | static const char shutdown_str[8] = "Shutdown"; |
531 | a2f659ee | bellard | static int shutdown_index = 0; |
532 | 3b46e624 | ths | |
533 | 80cabfad | bellard | switch(addr) {
|
534 | a2f659ee | bellard | case 0x8900: |
535 | a2f659ee | bellard | /* same as Bochs power off */
|
536 | a2f659ee | bellard | if (val == shutdown_str[shutdown_index]) {
|
537 | a2f659ee | bellard | shutdown_index++; |
538 | a2f659ee | bellard | if (shutdown_index == 8) { |
539 | a2f659ee | bellard | shutdown_index = 0;
|
540 | a2f659ee | bellard | qemu_system_shutdown_request(); |
541 | a2f659ee | bellard | } |
542 | a2f659ee | bellard | } else {
|
543 | a2f659ee | bellard | shutdown_index = 0;
|
544 | a2f659ee | bellard | } |
545 | a2f659ee | bellard | break;
|
546 | 80cabfad | bellard | |
547 | 80cabfad | bellard | case 0x501: |
548 | 80cabfad | bellard | case 0x502: |
549 | 4333979e | Anthony Liguori | exit((val << 1) | 1); |
550 | 80cabfad | bellard | } |
551 | 80cabfad | bellard | } |
552 | 80cabfad | bellard | |
553 | 4c5b10b7 | Jes Sorensen | int e820_add_entry(uint64_t address, uint64_t length, uint32_t type)
|
554 | 4c5b10b7 | Jes Sorensen | { |
555 | 8ca209ad | Alex Williamson | int index = le32_to_cpu(e820_table.count);
|
556 | 4c5b10b7 | Jes Sorensen | struct e820_entry *entry;
|
557 | 4c5b10b7 | Jes Sorensen | |
558 | 4c5b10b7 | Jes Sorensen | if (index >= E820_NR_ENTRIES)
|
559 | 4c5b10b7 | Jes Sorensen | return -EBUSY;
|
560 | 8ca209ad | Alex Williamson | entry = &e820_table.entry[index++]; |
561 | 4c5b10b7 | Jes Sorensen | |
562 | 8ca209ad | Alex Williamson | entry->address = cpu_to_le64(address); |
563 | 8ca209ad | Alex Williamson | entry->length = cpu_to_le64(length); |
564 | 8ca209ad | Alex Williamson | entry->type = cpu_to_le32(type); |
565 | 4c5b10b7 | Jes Sorensen | |
566 | 8ca209ad | Alex Williamson | e820_table.count = cpu_to_le32(index); |
567 | 8ca209ad | Alex Williamson | return index;
|
568 | 4c5b10b7 | Jes Sorensen | } |
569 | 4c5b10b7 | Jes Sorensen | |
570 | bf483392 | Alexander Graf | static void *bochs_bios_init(void) |
571 | 80cabfad | bellard | { |
572 | 3cce6243 | blueswir1 | void *fw_cfg;
|
573 | b6f6e3d3 | aliguori | uint8_t *smbios_table; |
574 | b6f6e3d3 | aliguori | size_t smbios_len; |
575 | 11c2fd3e | aliguori | uint64_t *numa_fw_cfg; |
576 | 11c2fd3e | aliguori | int i, j;
|
577 | 3cce6243 | blueswir1 | |
578 | a2f659ee | bellard | register_ioport_write(0x8900, 1, 1, bochs_bios_write, NULL); |
579 | b41a2cd1 | bellard | |
580 | 4333979e | Anthony Liguori | register_ioport_write(0x501, 1, 1, bochs_bios_write, NULL); |
581 | b41a2cd1 | bellard | register_ioport_write(0x501, 1, 2, bochs_bios_write, NULL); |
582 | b41a2cd1 | bellard | register_ioport_write(0x502, 1, 2, bochs_bios_write, NULL); |
583 | 3cce6243 | blueswir1 | |
584 | 3cce6243 | blueswir1 | fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0); |
585 | bf483392 | Alexander Graf | |
586 | 3cce6243 | blueswir1 | fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
|
587 | 905fdcb5 | blueswir1 | fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size); |
588 | 80deece2 | blueswir1 | fw_cfg_add_bytes(fw_cfg, FW_CFG_ACPI_TABLES, (uint8_t *)acpi_tables, |
589 | 80deece2 | blueswir1 | acpi_tables_len); |
590 | 9b5b76d4 | Jan Kiszka | fw_cfg_add_i32(fw_cfg, FW_CFG_IRQ0_OVERRIDE, kvm_allows_irq0_override()); |
591 | b6f6e3d3 | aliguori | |
592 | b6f6e3d3 | aliguori | smbios_table = smbios_get_table(&smbios_len); |
593 | b6f6e3d3 | aliguori | if (smbios_table)
|
594 | b6f6e3d3 | aliguori | fw_cfg_add_bytes(fw_cfg, FW_CFG_SMBIOS_ENTRIES, |
595 | b6f6e3d3 | aliguori | smbios_table, smbios_len); |
596 | 4c5b10b7 | Jes Sorensen | fw_cfg_add_bytes(fw_cfg, FW_CFG_E820_TABLE, (uint8_t *)&e820_table, |
597 | 4c5b10b7 | Jes Sorensen | sizeof(struct e820_table)); |
598 | 11c2fd3e | aliguori | |
599 | 40ac17cd | Gleb Natapov | fw_cfg_add_bytes(fw_cfg, FW_CFG_HPET, (uint8_t *)&hpet_cfg, |
600 | 40ac17cd | Gleb Natapov | sizeof(struct hpet_fw_config)); |
601 | 11c2fd3e | aliguori | /* allocate memory for the NUMA channel: one (64bit) word for the number
|
602 | 11c2fd3e | aliguori | * of nodes, one word for each VCPU->node and one word for each node to
|
603 | 11c2fd3e | aliguori | * hold the amount of memory.
|
604 | 11c2fd3e | aliguori | */
|
605 | 991dfefd | Vasilis Liaskovitis | numa_fw_cfg = g_malloc0((1 + max_cpus + nb_numa_nodes) * 8); |
606 | 11c2fd3e | aliguori | numa_fw_cfg[0] = cpu_to_le64(nb_numa_nodes);
|
607 | 991dfefd | Vasilis Liaskovitis | for (i = 0; i < max_cpus; i++) { |
608 | 11c2fd3e | aliguori | for (j = 0; j < nb_numa_nodes; j++) { |
609 | ee785fed | Chegu Vinod | if (test_bit(i, node_cpumask[j])) {
|
610 | 11c2fd3e | aliguori | numa_fw_cfg[i + 1] = cpu_to_le64(j);
|
611 | 11c2fd3e | aliguori | break;
|
612 | 11c2fd3e | aliguori | } |
613 | 11c2fd3e | aliguori | } |
614 | 11c2fd3e | aliguori | } |
615 | 11c2fd3e | aliguori | for (i = 0; i < nb_numa_nodes; i++) { |
616 | 991dfefd | Vasilis Liaskovitis | numa_fw_cfg[max_cpus + 1 + i] = cpu_to_le64(node_mem[i]);
|
617 | 11c2fd3e | aliguori | } |
618 | 11c2fd3e | aliguori | fw_cfg_add_bytes(fw_cfg, FW_CFG_NUMA, (uint8_t *)numa_fw_cfg, |
619 | 991dfefd | Vasilis Liaskovitis | (1 + max_cpus + nb_numa_nodes) * 8); |
620 | bf483392 | Alexander Graf | |
621 | bf483392 | Alexander Graf | return fw_cfg;
|
622 | 80cabfad | bellard | } |
623 | 80cabfad | bellard | |
624 | 642a4f96 | ths | static long get_file_size(FILE *f) |
625 | 642a4f96 | ths | { |
626 | 642a4f96 | ths | long where, size;
|
627 | 642a4f96 | ths | |
628 | 642a4f96 | ths | /* XXX: on Unix systems, using fstat() probably makes more sense */
|
629 | 642a4f96 | ths | |
630 | 642a4f96 | ths | where = ftell(f); |
631 | 642a4f96 | ths | fseek(f, 0, SEEK_END);
|
632 | 642a4f96 | ths | size = ftell(f); |
633 | 642a4f96 | ths | fseek(f, where, SEEK_SET); |
634 | 642a4f96 | ths | |
635 | 642a4f96 | ths | return size;
|
636 | 642a4f96 | ths | } |
637 | 642a4f96 | ths | |
638 | f16408df | Alexander Graf | static void load_linux(void *fw_cfg, |
639 | 4fc9af53 | aliguori | const char *kernel_filename, |
640 | 642a4f96 | ths | const char *initrd_filename, |
641 | e6ade764 | Glauber Costa | const char *kernel_cmdline, |
642 | 45a50b16 | Gerd Hoffmann | target_phys_addr_t max_ram_size) |
643 | 642a4f96 | ths | { |
644 | 642a4f96 | ths | uint16_t protocol; |
645 | 5cea8590 | Paul Brook | int setup_size, kernel_size, initrd_size = 0, cmdline_size; |
646 | 642a4f96 | ths | uint32_t initrd_max; |
647 | 57a46d05 | Alexander Graf | uint8_t header[8192], *setup, *kernel, *initrd_data;
|
648 | c227f099 | Anthony Liguori | target_phys_addr_t real_addr, prot_addr, cmdline_addr, initrd_addr = 0;
|
649 | 45a50b16 | Gerd Hoffmann | FILE *f; |
650 | bf4e5d92 | Pascal Terjan | char *vmode;
|
651 | 642a4f96 | ths | |
652 | 642a4f96 | ths | /* Align to 16 bytes as a paranoia measure */
|
653 | 642a4f96 | ths | cmdline_size = (strlen(kernel_cmdline)+16) & ~15; |
654 | 642a4f96 | ths | |
655 | 642a4f96 | ths | /* load the kernel header */
|
656 | 642a4f96 | ths | f = fopen(kernel_filename, "rb");
|
657 | 642a4f96 | ths | if (!f || !(kernel_size = get_file_size(f)) ||
|
658 | f16408df | Alexander Graf | fread(header, 1, MIN(ARRAY_SIZE(header), kernel_size), f) !=
|
659 | f16408df | Alexander Graf | MIN(ARRAY_SIZE(header), kernel_size)) { |
660 | 850810d0 | Justin M. Forbes | fprintf(stderr, "qemu: could not load kernel '%s': %s\n",
|
661 | 850810d0 | Justin M. Forbes | kernel_filename, strerror(errno)); |
662 | 642a4f96 | ths | exit(1);
|
663 | 642a4f96 | ths | } |
664 | 642a4f96 | ths | |
665 | 642a4f96 | ths | /* kernel protocol version */
|
666 | bc4edd79 | bellard | #if 0
|
667 | 642a4f96 | ths | fprintf(stderr, "header magic: %#x\n", ldl_p(header+0x202));
|
668 | bc4edd79 | bellard | #endif
|
669 | 642a4f96 | ths | if (ldl_p(header+0x202) == 0x53726448) |
670 | 642a4f96 | ths | protocol = lduw_p(header+0x206);
|
671 | f16408df | Alexander Graf | else {
|
672 | f16408df | Alexander Graf | /* This looks like a multiboot kernel. If it is, let's stop
|
673 | f16408df | Alexander Graf | treating it like a Linux kernel. */
|
674 | 52001445 | Adam Lackorzynski | if (load_multiboot(fw_cfg, f, kernel_filename, initrd_filename,
|
675 | 52001445 | Adam Lackorzynski | kernel_cmdline, kernel_size, header)) |
676 | 82663ee2 | Blue Swirl | return;
|
677 | 642a4f96 | ths | protocol = 0;
|
678 | f16408df | Alexander Graf | } |
679 | 642a4f96 | ths | |
680 | 642a4f96 | ths | if (protocol < 0x200 || !(header[0x211] & 0x01)) { |
681 | 642a4f96 | ths | /* Low kernel */
|
682 | a37af289 | blueswir1 | real_addr = 0x90000;
|
683 | a37af289 | blueswir1 | cmdline_addr = 0x9a000 - cmdline_size;
|
684 | a37af289 | blueswir1 | prot_addr = 0x10000;
|
685 | 642a4f96 | ths | } else if (protocol < 0x202) { |
686 | 642a4f96 | ths | /* High but ancient kernel */
|
687 | a37af289 | blueswir1 | real_addr = 0x90000;
|
688 | a37af289 | blueswir1 | cmdline_addr = 0x9a000 - cmdline_size;
|
689 | a37af289 | blueswir1 | prot_addr = 0x100000;
|
690 | 642a4f96 | ths | } else {
|
691 | 642a4f96 | ths | /* High and recent kernel */
|
692 | a37af289 | blueswir1 | real_addr = 0x10000;
|
693 | a37af289 | blueswir1 | cmdline_addr = 0x20000;
|
694 | a37af289 | blueswir1 | prot_addr = 0x100000;
|
695 | 642a4f96 | ths | } |
696 | 642a4f96 | ths | |
697 | bc4edd79 | bellard | #if 0
|
698 | 642a4f96 | ths | fprintf(stderr,
|
699 | 526ccb7a | balrog | "qemu: real_addr = 0x" TARGET_FMT_plx "\n"
|
700 | 526ccb7a | balrog | "qemu: cmdline_addr = 0x" TARGET_FMT_plx "\n"
|
701 | 526ccb7a | balrog | "qemu: prot_addr = 0x" TARGET_FMT_plx "\n",
|
702 | a37af289 | blueswir1 | real_addr,
|
703 | a37af289 | blueswir1 | cmdline_addr,
|
704 | a37af289 | blueswir1 | prot_addr);
|
705 | bc4edd79 | bellard | #endif
|
706 | 642a4f96 | ths | |
707 | 642a4f96 | ths | /* highest address for loading the initrd */
|
708 | 642a4f96 | ths | if (protocol >= 0x203) |
709 | 642a4f96 | ths | initrd_max = ldl_p(header+0x22c);
|
710 | 642a4f96 | ths | else
|
711 | 642a4f96 | ths | initrd_max = 0x37ffffff;
|
712 | 642a4f96 | ths | |
713 | e6ade764 | Glauber Costa | if (initrd_max >= max_ram_size-ACPI_DATA_SIZE)
|
714 | e6ade764 | Glauber Costa | initrd_max = max_ram_size-ACPI_DATA_SIZE-1;
|
715 | 642a4f96 | ths | |
716 | 57a46d05 | Alexander Graf | fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_ADDR, cmdline_addr); |
717 | 57a46d05 | Alexander Graf | fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, strlen(kernel_cmdline)+1);
|
718 | 57a46d05 | Alexander Graf | fw_cfg_add_bytes(fw_cfg, FW_CFG_CMDLINE_DATA, |
719 | 57a46d05 | Alexander Graf | (uint8_t*)strdup(kernel_cmdline), |
720 | 57a46d05 | Alexander Graf | strlen(kernel_cmdline)+1);
|
721 | 642a4f96 | ths | |
722 | 642a4f96 | ths | if (protocol >= 0x202) { |
723 | a37af289 | blueswir1 | stl_p(header+0x228, cmdline_addr);
|
724 | 642a4f96 | ths | } else {
|
725 | 642a4f96 | ths | stw_p(header+0x20, 0xA33F); |
726 | 642a4f96 | ths | stw_p(header+0x22, cmdline_addr-real_addr);
|
727 | 642a4f96 | ths | } |
728 | 642a4f96 | ths | |
729 | bf4e5d92 | Pascal Terjan | /* handle vga= parameter */
|
730 | bf4e5d92 | Pascal Terjan | vmode = strstr(kernel_cmdline, "vga=");
|
731 | bf4e5d92 | Pascal Terjan | if (vmode) {
|
732 | bf4e5d92 | Pascal Terjan | unsigned int video_mode; |
733 | bf4e5d92 | Pascal Terjan | /* skip "vga=" */
|
734 | bf4e5d92 | Pascal Terjan | vmode += 4;
|
735 | bf4e5d92 | Pascal Terjan | if (!strncmp(vmode, "normal", 6)) { |
736 | bf4e5d92 | Pascal Terjan | video_mode = 0xffff;
|
737 | bf4e5d92 | Pascal Terjan | } else if (!strncmp(vmode, "ext", 3)) { |
738 | bf4e5d92 | Pascal Terjan | video_mode = 0xfffe;
|
739 | bf4e5d92 | Pascal Terjan | } else if (!strncmp(vmode, "ask", 3)) { |
740 | bf4e5d92 | Pascal Terjan | video_mode = 0xfffd;
|
741 | bf4e5d92 | Pascal Terjan | } else {
|
742 | bf4e5d92 | Pascal Terjan | video_mode = strtol(vmode, NULL, 0); |
743 | bf4e5d92 | Pascal Terjan | } |
744 | bf4e5d92 | Pascal Terjan | stw_p(header+0x1fa, video_mode);
|
745 | bf4e5d92 | Pascal Terjan | } |
746 | bf4e5d92 | Pascal Terjan | |
747 | 642a4f96 | ths | /* loader type */
|
748 | 5cbdb3a3 | Stefan Weil | /* High nybble = B reserved for QEMU; low nybble is revision number.
|
749 | 642a4f96 | ths | If this code is substantially changed, you may want to consider
|
750 | 642a4f96 | ths | incrementing the revision. */
|
751 | 642a4f96 | ths | if (protocol >= 0x200) |
752 | 642a4f96 | ths | header[0x210] = 0xB0; |
753 | 642a4f96 | ths | |
754 | 642a4f96 | ths | /* heap */
|
755 | 642a4f96 | ths | if (protocol >= 0x201) { |
756 | 642a4f96 | ths | header[0x211] |= 0x80; /* CAN_USE_HEAP */ |
757 | 642a4f96 | ths | stw_p(header+0x224, cmdline_addr-real_addr-0x200); |
758 | 642a4f96 | ths | } |
759 | 642a4f96 | ths | |
760 | 642a4f96 | ths | /* load initrd */
|
761 | 642a4f96 | ths | if (initrd_filename) {
|
762 | 642a4f96 | ths | if (protocol < 0x200) { |
763 | 642a4f96 | ths | fprintf(stderr, "qemu: linux kernel too old to load a ram disk\n");
|
764 | 642a4f96 | ths | exit(1);
|
765 | 642a4f96 | ths | } |
766 | 642a4f96 | ths | |
767 | 45a50b16 | Gerd Hoffmann | initrd_size = get_image_size(initrd_filename); |
768 | d6fa4b77 | M. Mohan Kumar | if (initrd_size < 0) { |
769 | d6fa4b77 | M. Mohan Kumar | fprintf(stderr, "qemu: error reading initrd %s\n",
|
770 | d6fa4b77 | M. Mohan Kumar | initrd_filename); |
771 | d6fa4b77 | M. Mohan Kumar | exit(1);
|
772 | d6fa4b77 | M. Mohan Kumar | } |
773 | d6fa4b77 | M. Mohan Kumar | |
774 | 45a50b16 | Gerd Hoffmann | initrd_addr = (initrd_max-initrd_size) & ~4095;
|
775 | 57a46d05 | Alexander Graf | |
776 | 7267c094 | Anthony Liguori | initrd_data = g_malloc(initrd_size); |
777 | 57a46d05 | Alexander Graf | load_image(initrd_filename, initrd_data); |
778 | 57a46d05 | Alexander Graf | |
779 | 57a46d05 | Alexander Graf | fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr); |
780 | 57a46d05 | Alexander Graf | fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size); |
781 | 57a46d05 | Alexander Graf | fw_cfg_add_bytes(fw_cfg, FW_CFG_INITRD_DATA, initrd_data, initrd_size); |
782 | 642a4f96 | ths | |
783 | a37af289 | blueswir1 | stl_p(header+0x218, initrd_addr);
|
784 | 642a4f96 | ths | stl_p(header+0x21c, initrd_size);
|
785 | 642a4f96 | ths | } |
786 | 642a4f96 | ths | |
787 | 45a50b16 | Gerd Hoffmann | /* load kernel and setup */
|
788 | 642a4f96 | ths | setup_size = header[0x1f1];
|
789 | 642a4f96 | ths | if (setup_size == 0) |
790 | 642a4f96 | ths | setup_size = 4;
|
791 | 642a4f96 | ths | setup_size = (setup_size+1)*512; |
792 | 45a50b16 | Gerd Hoffmann | kernel_size -= setup_size; |
793 | 642a4f96 | ths | |
794 | 7267c094 | Anthony Liguori | setup = g_malloc(setup_size); |
795 | 7267c094 | Anthony Liguori | kernel = g_malloc(kernel_size); |
796 | 45a50b16 | Gerd Hoffmann | fseek(f, 0, SEEK_SET);
|
797 | 5a41ecc5 | Kirill A. Shutemov | if (fread(setup, 1, setup_size, f) != setup_size) { |
798 | 5a41ecc5 | Kirill A. Shutemov | fprintf(stderr, "fread() failed\n");
|
799 | 5a41ecc5 | Kirill A. Shutemov | exit(1);
|
800 | 5a41ecc5 | Kirill A. Shutemov | } |
801 | 5a41ecc5 | Kirill A. Shutemov | if (fread(kernel, 1, kernel_size, f) != kernel_size) { |
802 | 5a41ecc5 | Kirill A. Shutemov | fprintf(stderr, "fread() failed\n");
|
803 | 5a41ecc5 | Kirill A. Shutemov | exit(1);
|
804 | 5a41ecc5 | Kirill A. Shutemov | } |
805 | 642a4f96 | ths | fclose(f); |
806 | 45a50b16 | Gerd Hoffmann | memcpy(setup, header, MIN(sizeof(header), setup_size));
|
807 | 57a46d05 | Alexander Graf | |
808 | 57a46d05 | Alexander Graf | fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, prot_addr); |
809 | 57a46d05 | Alexander Graf | fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); |
810 | 57a46d05 | Alexander Graf | fw_cfg_add_bytes(fw_cfg, FW_CFG_KERNEL_DATA, kernel, kernel_size); |
811 | 57a46d05 | Alexander Graf | |
812 | 57a46d05 | Alexander Graf | fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_ADDR, real_addr); |
813 | 57a46d05 | Alexander Graf | fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_SIZE, setup_size); |
814 | 57a46d05 | Alexander Graf | fw_cfg_add_bytes(fw_cfg, FW_CFG_SETUP_DATA, setup, setup_size); |
815 | 57a46d05 | Alexander Graf | |
816 | 2e55e842 | Gleb Natapov | option_rom[nb_option_roms].name = "linuxboot.bin";
|
817 | 2e55e842 | Gleb Natapov | option_rom[nb_option_roms].bootindex = 0;
|
818 | 57a46d05 | Alexander Graf | nb_option_roms++; |
819 | 642a4f96 | ths | } |
820 | 642a4f96 | ths | |
821 | b41a2cd1 | bellard | #define NE2000_NB_MAX 6 |
822 | b41a2cd1 | bellard | |
823 | 675d6f82 | Blue Swirl | static const int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, |
824 | 675d6f82 | Blue Swirl | 0x280, 0x380 }; |
825 | 675d6f82 | Blue Swirl | static const int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 }; |
826 | b41a2cd1 | bellard | |
827 | 675d6f82 | Blue Swirl | static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc }; |
828 | 675d6f82 | Blue Swirl | static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 }; |
829 | 6508fe59 | bellard | |
830 | 48a18b3c | Hervé Poussineau | void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd)
|
831 | a41b2ff2 | pbrook | { |
832 | a41b2ff2 | pbrook | static int nb_ne2k = 0; |
833 | a41b2ff2 | pbrook | |
834 | a41b2ff2 | pbrook | if (nb_ne2k == NE2000_NB_MAX)
|
835 | a41b2ff2 | pbrook | return;
|
836 | 48a18b3c | Hervé Poussineau | isa_ne2000_init(bus, ne2000_io[nb_ne2k], |
837 | 9453c5bc | Gerd Hoffmann | ne2000_irq[nb_ne2k], nd); |
838 | a41b2ff2 | pbrook | nb_ne2k++; |
839 | a41b2ff2 | pbrook | } |
840 | a41b2ff2 | pbrook | |
841 | 92a16d7a | Blue Swirl | DeviceState *cpu_get_current_apic(void)
|
842 | 0e26b7b8 | Blue Swirl | { |
843 | 0e26b7b8 | Blue Swirl | if (cpu_single_env) {
|
844 | 0e26b7b8 | Blue Swirl | return cpu_single_env->apic_state;
|
845 | 0e26b7b8 | Blue Swirl | } else {
|
846 | 0e26b7b8 | Blue Swirl | return NULL; |
847 | 0e26b7b8 | Blue Swirl | } |
848 | 0e26b7b8 | Blue Swirl | } |
849 | 0e26b7b8 | Blue Swirl | |
850 | 92a16d7a | Blue Swirl | static DeviceState *apic_init(void *env, uint8_t apic_id) |
851 | 92a16d7a | Blue Swirl | { |
852 | 92a16d7a | Blue Swirl | DeviceState *dev; |
853 | 92a16d7a | Blue Swirl | static int apic_mapped; |
854 | 92a16d7a | Blue Swirl | |
855 | 3d4b2649 | Jan Kiszka | if (kvm_irqchip_in_kernel()) {
|
856 | 680c1c6f | Jan Kiszka | dev = qdev_create(NULL, "kvm-apic"); |
857 | 9468e9c4 | Wei Liu | } else if (xen_enabled()) { |
858 | 9468e9c4 | Wei Liu | dev = qdev_create(NULL, "xen-apic"); |
859 | 680c1c6f | Jan Kiszka | } else {
|
860 | 680c1c6f | Jan Kiszka | dev = qdev_create(NULL, "apic"); |
861 | 680c1c6f | Jan Kiszka | } |
862 | 9468e9c4 | Wei Liu | |
863 | 92a16d7a | Blue Swirl | qdev_prop_set_uint8(dev, "id", apic_id);
|
864 | 92a16d7a | Blue Swirl | qdev_prop_set_ptr(dev, "cpu_env", env);
|
865 | 92a16d7a | Blue Swirl | qdev_init_nofail(dev); |
866 | 92a16d7a | Blue Swirl | |
867 | 92a16d7a | Blue Swirl | /* XXX: mapping more APICs at the same memory location */
|
868 | 92a16d7a | Blue Swirl | if (apic_mapped == 0) { |
869 | 92a16d7a | Blue Swirl | /* NOTE: the APIC is directly connected to the CPU - it is not
|
870 | 92a16d7a | Blue Swirl | on the global memory bus. */
|
871 | 92a16d7a | Blue Swirl | /* XXX: what if the base changes? */
|
872 | 680c1c6f | Jan Kiszka | sysbus_mmio_map(sysbus_from_qdev(dev), 0, MSI_ADDR_BASE);
|
873 | 92a16d7a | Blue Swirl | apic_mapped = 1;
|
874 | 92a16d7a | Blue Swirl | } |
875 | 92a16d7a | Blue Swirl | |
876 | 92a16d7a | Blue Swirl | return dev;
|
877 | 92a16d7a | Blue Swirl | } |
878 | 92a16d7a | Blue Swirl | |
879 | 845773ab | Isaku Yamahata | void pc_acpi_smi_interrupt(void *opaque, int irq, int level) |
880 | 53b67b30 | Blue Swirl | { |
881 | 4a8fa5dc | Andreas Färber | CPUX86State *s = opaque; |
882 | 53b67b30 | Blue Swirl | |
883 | 53b67b30 | Blue Swirl | if (level) {
|
884 | 53b67b30 | Blue Swirl | cpu_interrupt(s, CPU_INTERRUPT_SMI); |
885 | 53b67b30 | Blue Swirl | } |
886 | 53b67b30 | Blue Swirl | } |
887 | 53b67b30 | Blue Swirl | |
888 | 608911ac | Andreas Färber | static X86CPU *pc_new_cpu(const char *cpu_model) |
889 | 3a31f36a | Jan Kiszka | { |
890 | 608911ac | Andreas Färber | X86CPU *cpu; |
891 | 4a8fa5dc | Andreas Färber | CPUX86State *env; |
892 | 3a31f36a | Jan Kiszka | |
893 | 608911ac | Andreas Färber | cpu = cpu_x86_init(cpu_model); |
894 | 608911ac | Andreas Färber | if (cpu == NULL) { |
895 | 3a31f36a | Jan Kiszka | fprintf(stderr, "Unable to find x86 CPU definition\n");
|
896 | 3a31f36a | Jan Kiszka | exit(1);
|
897 | 3a31f36a | Jan Kiszka | } |
898 | 608911ac | Andreas Färber | env = &cpu->env; |
899 | 3a31f36a | Jan Kiszka | if ((env->cpuid_features & CPUID_APIC) || smp_cpus > 1) { |
900 | 0e26b7b8 | Blue Swirl | env->apic_state = apic_init(env, env->cpuid_apic_id); |
901 | 0e26b7b8 | Blue Swirl | } |
902 | 65dee380 | Igor Mammedov | cpu_reset(CPU(cpu)); |
903 | 608911ac | Andreas Färber | return cpu;
|
904 | 3a31f36a | Jan Kiszka | } |
905 | 3a31f36a | Jan Kiszka | |
906 | 845773ab | Isaku Yamahata | void pc_cpus_init(const char *cpu_model) |
907 | 70166477 | Isaku Yamahata | { |
908 | 70166477 | Isaku Yamahata | int i;
|
909 | 70166477 | Isaku Yamahata | |
910 | 70166477 | Isaku Yamahata | /* init CPUs */
|
911 | 70166477 | Isaku Yamahata | if (cpu_model == NULL) { |
912 | 70166477 | Isaku Yamahata | #ifdef TARGET_X86_64
|
913 | 70166477 | Isaku Yamahata | cpu_model = "qemu64";
|
914 | 70166477 | Isaku Yamahata | #else
|
915 | 70166477 | Isaku Yamahata | cpu_model = "qemu32";
|
916 | 70166477 | Isaku Yamahata | #endif
|
917 | 70166477 | Isaku Yamahata | } |
918 | 70166477 | Isaku Yamahata | |
919 | 70166477 | Isaku Yamahata | for(i = 0; i < smp_cpus; i++) { |
920 | 70166477 | Isaku Yamahata | pc_new_cpu(cpu_model); |
921 | 70166477 | Isaku Yamahata | } |
922 | 70166477 | Isaku Yamahata | } |
923 | 70166477 | Isaku Yamahata | |
924 | 459ae5ea | Gleb Natapov | void *pc_memory_init(MemoryRegion *system_memory,
|
925 | 4aa63af1 | Avi Kivity | const char *kernel_filename, |
926 | 845773ab | Isaku Yamahata | const char *kernel_cmdline, |
927 | 845773ab | Isaku Yamahata | const char *initrd_filename, |
928 | e0e7e67b | Anthony PERARD | ram_addr_t below_4g_mem_size, |
929 | ae0a5466 | Avi Kivity | ram_addr_t above_4g_mem_size, |
930 | 4463aee6 | Jan Kiszka | MemoryRegion *rom_memory, |
931 | ae0a5466 | Avi Kivity | MemoryRegion **ram_memory) |
932 | 80cabfad | bellard | { |
933 | cbc5b5f3 | Jordan Justen | int linux_boot, i;
|
934 | cbc5b5f3 | Jordan Justen | MemoryRegion *ram, *option_rom_mr; |
935 | 00cb2a99 | Avi Kivity | MemoryRegion *ram_below_4g, *ram_above_4g; |
936 | 81a204e4 | Eduard - Gabriel Munteanu | void *fw_cfg;
|
937 | d592d303 | bellard | |
938 | 80cabfad | bellard | linux_boot = (kernel_filename != NULL);
|
939 | 80cabfad | bellard | |
940 | 00cb2a99 | Avi Kivity | /* Allocate RAM. We allocate it as a single memory region and use
|
941 | 66a0a2cb | Dong Xu Wang | * aliases to address portions of it, mostly for backwards compatibility
|
942 | 00cb2a99 | Avi Kivity | * with older qemus that used qemu_ram_alloc().
|
943 | 00cb2a99 | Avi Kivity | */
|
944 | 7267c094 | Anthony Liguori | ram = g_malloc(sizeof(*ram));
|
945 | c5705a77 | Avi Kivity | memory_region_init_ram(ram, "pc.ram",
|
946 | 00cb2a99 | Avi Kivity | below_4g_mem_size + above_4g_mem_size); |
947 | c5705a77 | Avi Kivity | vmstate_register_ram_global(ram); |
948 | ae0a5466 | Avi Kivity | *ram_memory = ram; |
949 | 7267c094 | Anthony Liguori | ram_below_4g = g_malloc(sizeof(*ram_below_4g));
|
950 | 00cb2a99 | Avi Kivity | memory_region_init_alias(ram_below_4g, "ram-below-4g", ram,
|
951 | 00cb2a99 | Avi Kivity | 0, below_4g_mem_size);
|
952 | 00cb2a99 | Avi Kivity | memory_region_add_subregion(system_memory, 0, ram_below_4g);
|
953 | bbe80adf | Alex Williamson | if (above_4g_mem_size > 0) { |
954 | 7267c094 | Anthony Liguori | ram_above_4g = g_malloc(sizeof(*ram_above_4g));
|
955 | 00cb2a99 | Avi Kivity | memory_region_init_alias(ram_above_4g, "ram-above-4g", ram,
|
956 | 00cb2a99 | Avi Kivity | below_4g_mem_size, above_4g_mem_size); |
957 | 00cb2a99 | Avi Kivity | memory_region_add_subregion(system_memory, 0x100000000ULL,
|
958 | 00cb2a99 | Avi Kivity | ram_above_4g); |
959 | bbe80adf | Alex Williamson | } |
960 | 82b36dc3 | aliguori | |
961 | cbc5b5f3 | Jordan Justen | |
962 | cbc5b5f3 | Jordan Justen | /* Initialize PC system firmware */
|
963 | cbc5b5f3 | Jordan Justen | pc_system_firmware_init(rom_memory); |
964 | 00cb2a99 | Avi Kivity | |
965 | 7267c094 | Anthony Liguori | option_rom_mr = g_malloc(sizeof(*option_rom_mr));
|
966 | c5705a77 | Avi Kivity | memory_region_init_ram(option_rom_mr, "pc.rom", PC_ROM_SIZE);
|
967 | c5705a77 | Avi Kivity | vmstate_register_ram_global(option_rom_mr); |
968 | 4463aee6 | Jan Kiszka | memory_region_add_subregion_overlap(rom_memory, |
969 | 00cb2a99 | Avi Kivity | PC_ROM_MIN_VGA, |
970 | 00cb2a99 | Avi Kivity | option_rom_mr, |
971 | 00cb2a99 | Avi Kivity | 1);
|
972 | f753ff16 | pbrook | |
973 | bf483392 | Alexander Graf | fw_cfg = bochs_bios_init(); |
974 | 8832cb80 | Gerd Hoffmann | rom_set_fw(fw_cfg); |
975 | 1d108d97 | Alexander Graf | |
976 | f753ff16 | pbrook | if (linux_boot) {
|
977 | 81a204e4 | Eduard - Gabriel Munteanu | load_linux(fw_cfg, kernel_filename, initrd_filename, kernel_cmdline, below_4g_mem_size); |
978 | f753ff16 | pbrook | } |
979 | f753ff16 | pbrook | |
980 | f753ff16 | pbrook | for (i = 0; i < nb_option_roms; i++) { |
981 | 2e55e842 | Gleb Natapov | rom_add_option(option_rom[i].name, option_rom[i].bootindex); |
982 | 406c8df3 | Glauber Costa | } |
983 | 459ae5ea | Gleb Natapov | return fw_cfg;
|
984 | 3d53f5c3 | Isaku Yamahata | } |
985 | 3d53f5c3 | Isaku Yamahata | |
986 | 845773ab | Isaku Yamahata | qemu_irq *pc_allocate_cpu_irq(void)
|
987 | 845773ab | Isaku Yamahata | { |
988 | 845773ab | Isaku Yamahata | return qemu_allocate_irqs(pic_irq_request, NULL, 1); |
989 | 845773ab | Isaku Yamahata | } |
990 | 845773ab | Isaku Yamahata | |
991 | 48a18b3c | Hervé Poussineau | DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus) |
992 | 765d7908 | Isaku Yamahata | { |
993 | ad6d45fa | Anthony Liguori | DeviceState *dev = NULL;
|
994 | ad6d45fa | Anthony Liguori | |
995 | 765d7908 | Isaku Yamahata | if (cirrus_vga_enabled) {
|
996 | 765d7908 | Isaku Yamahata | if (pci_bus) {
|
997 | ad6d45fa | Anthony Liguori | dev = pci_cirrus_vga_init(pci_bus); |
998 | 765d7908 | Isaku Yamahata | } else {
|
999 | 3d402831 | Blue Swirl | dev = &isa_create_simple(isa_bus, "isa-cirrus-vga")->qdev;
|
1000 | 765d7908 | Isaku Yamahata | } |
1001 | 765d7908 | Isaku Yamahata | } else if (vmsvga_enabled) { |
1002 | 7ba7e49e | Blue Swirl | if (pci_bus) {
|
1003 | ad6d45fa | Anthony Liguori | dev = pci_vmsvga_init(pci_bus); |
1004 | 7ba7e49e | Blue Swirl | } else {
|
1005 | 765d7908 | Isaku Yamahata | fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__);
|
1006 | 7ba7e49e | Blue Swirl | } |
1007 | a19cbfb3 | Gerd Hoffmann | #ifdef CONFIG_SPICE
|
1008 | a19cbfb3 | Gerd Hoffmann | } else if (qxl_enabled) { |
1009 | ad6d45fa | Anthony Liguori | if (pci_bus) {
|
1010 | ad6d45fa | Anthony Liguori | dev = &pci_create_simple(pci_bus, -1, "qxl-vga")->qdev; |
1011 | ad6d45fa | Anthony Liguori | } else {
|
1012 | a19cbfb3 | Gerd Hoffmann | fprintf(stderr, "%s: qxl: no PCI bus\n", __FUNCTION__);
|
1013 | ad6d45fa | Anthony Liguori | } |
1014 | a19cbfb3 | Gerd Hoffmann | #endif
|
1015 | 765d7908 | Isaku Yamahata | } else if (std_vga_enabled) { |
1016 | 765d7908 | Isaku Yamahata | if (pci_bus) {
|
1017 | a1e47211 | Aurelien Jarno | dev = pci_std_vga_init(pci_bus); |
1018 | 765d7908 | Isaku Yamahata | } else {
|
1019 | 48a18b3c | Hervé Poussineau | dev = isa_vga_init(isa_bus); |
1020 | 765d7908 | Isaku Yamahata | } |
1021 | 765d7908 | Isaku Yamahata | } |
1022 | ad6d45fa | Anthony Liguori | |
1023 | ad6d45fa | Anthony Liguori | return dev;
|
1024 | 765d7908 | Isaku Yamahata | } |
1025 | 765d7908 | Isaku Yamahata | |
1026 | 4556bd8b | Blue Swirl | static void cpu_request_exit(void *opaque, int irq, int level) |
1027 | 4556bd8b | Blue Swirl | { |
1028 | 4a8fa5dc | Andreas Färber | CPUX86State *env = cpu_single_env; |
1029 | 4556bd8b | Blue Swirl | |
1030 | 4556bd8b | Blue Swirl | if (env && level) {
|
1031 | 4556bd8b | Blue Swirl | cpu_exit(env); |
1032 | 4556bd8b | Blue Swirl | } |
1033 | 4556bd8b | Blue Swirl | } |
1034 | 4556bd8b | Blue Swirl | |
1035 | 48a18b3c | Hervé Poussineau | void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
|
1036 | 1611977c | Anthony PERARD | ISADevice **rtc_state, |
1037 | 34d4260e | Kevin Wolf | ISADevice **floppy, |
1038 | 1611977c | Anthony PERARD | bool no_vmport)
|
1039 | ffe513da | Isaku Yamahata | { |
1040 | ffe513da | Isaku Yamahata | int i;
|
1041 | ffe513da | Isaku Yamahata | DriveInfo *fd[MAX_FD]; |
1042 | ce967e2f | Jan Kiszka | DeviceState *hpet = NULL;
|
1043 | ce967e2f | Jan Kiszka | int pit_isa_irq = 0; |
1044 | ce967e2f | Jan Kiszka | qemu_irq pit_alt_irq = NULL;
|
1045 | 7d932dfd | Jan Kiszka | qemu_irq rtc_irq = NULL;
|
1046 | 956a3e6b | Blue Swirl | qemu_irq *a20_line; |
1047 | c2d8d311 | Stefano Stabellini | ISADevice *i8042, *port92, *vmmouse, *pit = NULL;
|
1048 | 4556bd8b | Blue Swirl | qemu_irq *cpu_exit_irq; |
1049 | ffe513da | Isaku Yamahata | |
1050 | ffe513da | Isaku Yamahata | register_ioport_write(0x80, 1, 1, ioport80_write, NULL); |
1051 | ffe513da | Isaku Yamahata | |
1052 | ffe513da | Isaku Yamahata | register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL); |
1053 | ffe513da | Isaku Yamahata | |
1054 | 5d17c0d2 | Jan Kiszka | /*
|
1055 | 5d17c0d2 | Jan Kiszka | * Check if an HPET shall be created.
|
1056 | 5d17c0d2 | Jan Kiszka | *
|
1057 | 5d17c0d2 | Jan Kiszka | * Without KVM_CAP_PIT_STATE2, we cannot switch off the in-kernel PIT
|
1058 | 5d17c0d2 | Jan Kiszka | * when the HPET wants to take over. Thus we have to disable the latter.
|
1059 | 5d17c0d2 | Jan Kiszka | */
|
1060 | 5d17c0d2 | Jan Kiszka | if (!no_hpet && (!kvm_irqchip_in_kernel() || kvm_has_pit_state2())) {
|
1061 | ce967e2f | Jan Kiszka | hpet = sysbus_try_create_simple("hpet", HPET_BASE, NULL); |
1062 | 822557eb | Jan Kiszka | |
1063 | dd703b99 | Blue Swirl | if (hpet) {
|
1064 | b881fbe9 | Jan Kiszka | for (i = 0; i < GSI_NUM_PINS; i++) { |
1065 | b881fbe9 | Jan Kiszka | sysbus_connect_irq(sysbus_from_qdev(hpet), i, gsi[i]); |
1066 | dd703b99 | Blue Swirl | } |
1067 | ce967e2f | Jan Kiszka | pit_isa_irq = -1;
|
1068 | ce967e2f | Jan Kiszka | pit_alt_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_PIT_INT); |
1069 | ce967e2f | Jan Kiszka | rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT); |
1070 | 822557eb | Jan Kiszka | } |
1071 | ffe513da | Isaku Yamahata | } |
1072 | 48a18b3c | Hervé Poussineau | *rtc_state = rtc_init(isa_bus, 2000, rtc_irq);
|
1073 | 7d932dfd | Jan Kiszka | |
1074 | 7d932dfd | Jan Kiszka | qemu_register_boot_set(pc_boot_set, *rtc_state); |
1075 | 7d932dfd | Jan Kiszka | |
1076 | c2d8d311 | Stefano Stabellini | if (!xen_enabled()) {
|
1077 | c2d8d311 | Stefano Stabellini | if (kvm_irqchip_in_kernel()) {
|
1078 | c2d8d311 | Stefano Stabellini | pit = kvm_pit_init(isa_bus, 0x40);
|
1079 | c2d8d311 | Stefano Stabellini | } else {
|
1080 | c2d8d311 | Stefano Stabellini | pit = pit_init(isa_bus, 0x40, pit_isa_irq, pit_alt_irq);
|
1081 | c2d8d311 | Stefano Stabellini | } |
1082 | c2d8d311 | Stefano Stabellini | if (hpet) {
|
1083 | c2d8d311 | Stefano Stabellini | /* connect PIT to output control line of the HPET */
|
1084 | c2d8d311 | Stefano Stabellini | qdev_connect_gpio_out(hpet, 0, qdev_get_gpio_in(&pit->qdev, 0)); |
1085 | c2d8d311 | Stefano Stabellini | } |
1086 | c2d8d311 | Stefano Stabellini | pcspk_init(isa_bus, pit); |
1087 | ce967e2f | Jan Kiszka | } |
1088 | ffe513da | Isaku Yamahata | |
1089 | ffe513da | Isaku Yamahata | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
1090 | ffe513da | Isaku Yamahata | if (serial_hds[i]) {
|
1091 | 48a18b3c | Hervé Poussineau | serial_isa_init(isa_bus, i, serial_hds[i]); |
1092 | ffe513da | Isaku Yamahata | } |
1093 | ffe513da | Isaku Yamahata | } |
1094 | ffe513da | Isaku Yamahata | |
1095 | ffe513da | Isaku Yamahata | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
1096 | ffe513da | Isaku Yamahata | if (parallel_hds[i]) {
|
1097 | 48a18b3c | Hervé Poussineau | parallel_init(isa_bus, i, parallel_hds[i]); |
1098 | ffe513da | Isaku Yamahata | } |
1099 | ffe513da | Isaku Yamahata | } |
1100 | ffe513da | Isaku Yamahata | |
1101 | 4b78a802 | Blue Swirl | a20_line = qemu_allocate_irqs(handle_a20_line_change, first_cpu, 2);
|
1102 | 48a18b3c | Hervé Poussineau | i8042 = isa_create_simple(isa_bus, "i8042");
|
1103 | 4b78a802 | Blue Swirl | i8042_setup_a20_line(i8042, &a20_line[0]);
|
1104 | 1611977c | Anthony PERARD | if (!no_vmport) {
|
1105 | 48a18b3c | Hervé Poussineau | vmport_init(isa_bus); |
1106 | 48a18b3c | Hervé Poussineau | vmmouse = isa_try_create(isa_bus, "vmmouse");
|
1107 | 1611977c | Anthony PERARD | } else {
|
1108 | 1611977c | Anthony PERARD | vmmouse = NULL;
|
1109 | 1611977c | Anthony PERARD | } |
1110 | 86d86414 | Blue Swirl | if (vmmouse) {
|
1111 | 86d86414 | Blue Swirl | qdev_prop_set_ptr(&vmmouse->qdev, "ps2_mouse", i8042);
|
1112 | 43f20196 | Jan Kiszka | qdev_init_nofail(&vmmouse->qdev); |
1113 | 86d86414 | Blue Swirl | } |
1114 | 48a18b3c | Hervé Poussineau | port92 = isa_create_simple(isa_bus, "port92");
|
1115 | 4b78a802 | Blue Swirl | port92_init(port92, &a20_line[1]);
|
1116 | 956a3e6b | Blue Swirl | |
1117 | 4556bd8b | Blue Swirl | cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1); |
1118 | 4556bd8b | Blue Swirl | DMA_init(0, cpu_exit_irq);
|
1119 | ffe513da | Isaku Yamahata | |
1120 | ffe513da | Isaku Yamahata | for(i = 0; i < MAX_FD; i++) { |
1121 | ffe513da | Isaku Yamahata | fd[i] = drive_get(IF_FLOPPY, 0, i);
|
1122 | ffe513da | Isaku Yamahata | } |
1123 | 48a18b3c | Hervé Poussineau | *floppy = fdctrl_init_isa(isa_bus, fd); |
1124 | ffe513da | Isaku Yamahata | } |
1125 | ffe513da | Isaku Yamahata | |
1126 | 845773ab | Isaku Yamahata | void pc_pci_device_init(PCIBus *pci_bus)
|
1127 | e3a5cf42 | Isaku Yamahata | { |
1128 | e3a5cf42 | Isaku Yamahata | int max_bus;
|
1129 | e3a5cf42 | Isaku Yamahata | int bus;
|
1130 | e3a5cf42 | Isaku Yamahata | |
1131 | e3a5cf42 | Isaku Yamahata | max_bus = drive_get_max_bus(IF_SCSI); |
1132 | e3a5cf42 | Isaku Yamahata | for (bus = 0; bus <= max_bus; bus++) { |
1133 | e3a5cf42 | Isaku Yamahata | pci_create_simple(pci_bus, -1, "lsi53c895a"); |
1134 | e3a5cf42 | Isaku Yamahata | } |
1135 | e3a5cf42 | Isaku Yamahata | } |