2 * QEMU PC System Emulator
4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 /* output Bochs bios info messages */
29 #define BIOS_FILENAME "bios.bin"
30 #define VGABIOS_FILENAME "vgabios.bin"
31 #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
32 #define LINUX_BOOT_FILENAME "linux_boot.bin"
34 #define KERNEL_LOAD_ADDR 0x00100000
35 #define INITRD_LOAD_ADDR 0x00400000
36 #define KERNEL_PARAMS_ADDR 0x00090000
37 #define KERNEL_CMDLINE_ADDR 0x00099000
40 int dummy_refresh_clock
;
41 static fdctrl_t
*floppy_controller
;
42 static RTCState
*rtc_state
;
44 static IOAPICState
*ioapic
;
45 static USBPort
*usb_root_ports
[2];
47 static void ioport80_write(void *opaque
, uint32_t addr
, uint32_t data
)
51 /* MSDOS compatibility mode FPU exception support */
52 /* XXX: add IGNNE support */
53 void cpu_set_ferr(CPUX86State
*s
)
58 static void ioportF0_write(void *opaque
, uint32_t addr
, uint32_t data
)
65 uint64_t cpu_get_tsc(CPUX86State
*env
)
67 return qemu_get_clock(vm_clock
);
71 int cpu_get_pic_interrupt(CPUState
*env
)
75 intno
= apic_get_interrupt(env
);
77 /* set irq request if a PIC irq is still pending */
78 /* XXX: improve that */
79 pic_update_irq(isa_pic
);
82 /* read the irq from the PIC */
83 intno
= pic_read_irq(isa_pic
);
87 static void pic_irq_request(void *opaque
, int level
)
89 CPUState
*env
= opaque
;
91 cpu_interrupt(env
, CPU_INTERRUPT_HARD
);
93 cpu_reset_interrupt(env
, CPU_INTERRUPT_HARD
);
96 /* PC cmos mappings */
98 #define REG_EQUIPMENT_BYTE 0x14
99 #define REG_IBM_CENTURY_BYTE 0x32
100 #define REG_IBM_PS2_CENTURY_BYTE 0x37
103 static inline int to_bcd(RTCState
*s
, int a
)
105 return ((a
/ 10) << 4) | (a
% 10);
108 static int cmos_get_fd_drive_type(int fd0
)
114 /* 1.44 Mb 3"5 drive */
118 /* 2.88 Mb 3"5 drive */
122 /* 1.2 Mb 5"5 drive */
132 static void cmos_init_hd(int type_ofs
, int info_ofs
, BlockDriverState
*hd
)
134 RTCState
*s
= rtc_state
;
135 int cylinders
, heads
, sectors
;
136 bdrv_get_geometry_hint(hd
, &cylinders
, &heads
, §ors
);
137 rtc_set_memory(s
, type_ofs
, 47);
138 rtc_set_memory(s
, info_ofs
, cylinders
);
139 rtc_set_memory(s
, info_ofs
+ 1, cylinders
>> 8);
140 rtc_set_memory(s
, info_ofs
+ 2, heads
);
141 rtc_set_memory(s
, info_ofs
+ 3, 0xff);
142 rtc_set_memory(s
, info_ofs
+ 4, 0xff);
143 rtc_set_memory(s
, info_ofs
+ 5, 0xc0 | ((heads
> 8) << 3));
144 rtc_set_memory(s
, info_ofs
+ 6, cylinders
);
145 rtc_set_memory(s
, info_ofs
+ 7, cylinders
>> 8);
146 rtc_set_memory(s
, info_ofs
+ 8, sectors
);
149 /* hd_table must contain 4 block drivers */
150 static void cmos_init(int ram_size
, int boot_device
, BlockDriverState
**hd_table
)
152 RTCState
*s
= rtc_state
;
159 /* set the CMOS date */
167 val
= to_bcd(s
, (tm
->tm_year
/ 100) + 19);
168 rtc_set_memory(s
, REG_IBM_CENTURY_BYTE
, val
);
169 rtc_set_memory(s
, REG_IBM_PS2_CENTURY_BYTE
, val
);
171 /* various important CMOS locations needed by PC/Bochs bios */
174 val
= 640; /* base memory in K */
175 rtc_set_memory(s
, 0x15, val
);
176 rtc_set_memory(s
, 0x16, val
>> 8);
178 val
= (ram_size
/ 1024) - 1024;
181 rtc_set_memory(s
, 0x17, val
);
182 rtc_set_memory(s
, 0x18, val
>> 8);
183 rtc_set_memory(s
, 0x30, val
);
184 rtc_set_memory(s
, 0x31, val
>> 8);
186 if (ram_size
> (16 * 1024 * 1024))
187 val
= (ram_size
/ 65536) - ((16 * 1024 * 1024) / 65536);
192 rtc_set_memory(s
, 0x34, val
);
193 rtc_set_memory(s
, 0x35, val
>> 8);
195 switch(boot_device
) {
198 rtc_set_memory(s
, 0x3d, 0x01); /* floppy boot */
202 rtc_set_memory(s
, 0x3d, 0x02); /* hard drive boot */
205 rtc_set_memory(s
, 0x3d, 0x03); /* CD-ROM boot */
211 fd0
= fdctrl_get_drive_type(floppy_controller
, 0);
212 fd1
= fdctrl_get_drive_type(floppy_controller
, 1);
214 val
= (cmos_get_fd_drive_type(fd0
) << 4) | cmos_get_fd_drive_type(fd1
);
215 rtc_set_memory(s
, 0x10, val
);
227 val
|= 0x01; /* 1 drive, ready for boot */
230 val
|= 0x41; /* 2 drives, ready for boot */
233 val
|= 0x02; /* FPU is there */
234 val
|= 0x04; /* PS/2 mouse installed */
235 rtc_set_memory(s
, REG_EQUIPMENT_BYTE
, val
);
239 rtc_set_memory(s
, 0x12, (hd_table
[0] ? 0xf0 : 0) | (hd_table
[1] ? 0x0f : 0));
241 cmos_init_hd(0x19, 0x1b, hd_table
[0]);
243 cmos_init_hd(0x1a, 0x24, hd_table
[1]);
246 for (i
= 0; i
< 4; i
++) {
248 int cylinders
, heads
, sectors
, translation
;
249 /* NOTE: bdrv_get_geometry_hint() returns the physical
250 geometry. It is always such that: 1 <= sects <= 63, 1
251 <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
252 geometry can be different if a translation is done. */
253 translation
= bdrv_get_translation_hint(hd_table
[i
]);
254 if (translation
== BIOS_ATA_TRANSLATION_AUTO
) {
255 bdrv_get_geometry_hint(hd_table
[i
], &cylinders
, &heads
, §ors
);
256 if (cylinders
<= 1024 && heads
<= 16 && sectors
<= 63) {
257 /* No translation. */
260 /* LBA translation. */
266 val
|= translation
<< (i
* 2);
269 rtc_set_memory(s
, 0x39, val
);
271 /* Disable check of 0x55AA signature on the last two bytes of
272 first sector of disk. XXX: make it the default ? */
273 // rtc_set_memory(s, 0x38, 1);
276 static void speaker_ioport_write(void *opaque
, uint32_t addr
, uint32_t val
)
278 speaker_data_on
= (val
>> 1) & 1;
279 pit_set_gate(pit
, 2, val
& 1);
282 static uint32_t speaker_ioport_read(void *opaque
, uint32_t addr
)
285 out
= pit_get_out(pit
, 2, qemu_get_clock(vm_clock
));
286 dummy_refresh_clock
^= 1;
287 return (speaker_data_on
<< 1) | pit_get_gate(pit
, 2) | (out
<< 5) |
288 (dummy_refresh_clock
<< 4);
291 void ioport_set_a20(int enable
)
293 /* XXX: send to all CPUs ? */
294 cpu_x86_set_a20(first_cpu
, enable
);
297 int ioport_get_a20(void)
299 return ((first_cpu
->a20_mask
>> 20) & 1);
302 static void ioport92_write(void *opaque
, uint32_t addr
, uint32_t val
)
304 ioport_set_a20((val
>> 1) & 1);
305 /* XXX: bit 0 is fast reset */
308 static uint32_t ioport92_read(void *opaque
, uint32_t addr
)
310 return ioport_get_a20() << 1;
313 /***********************************************************/
314 /* Bochs BIOS debug ports */
316 void bochs_bios_write(void *opaque
, uint32_t addr
, uint32_t val
)
318 static const char shutdown_str
[8] = "Shutdown";
319 static int shutdown_index
= 0;
322 /* Bochs BIOS messages */
325 fprintf(stderr
, "BIOS panic at rombios.c, line %d\n", val
);
330 fprintf(stderr
, "%c", val
);
334 /* same as Bochs power off */
335 if (val
== shutdown_str
[shutdown_index
]) {
337 if (shutdown_index
== 8) {
339 qemu_system_shutdown_request();
346 /* LGPL'ed VGA BIOS messages */
349 fprintf(stderr
, "VGA BIOS panic, line %d\n", val
);
354 fprintf(stderr
, "%c", val
);
360 void bochs_bios_init(void)
362 register_ioport_write(0x400, 1, 2, bochs_bios_write
, NULL
);
363 register_ioport_write(0x401, 1, 2, bochs_bios_write
, NULL
);
364 register_ioport_write(0x402, 1, 1, bochs_bios_write
, NULL
);
365 register_ioport_write(0x403, 1, 1, bochs_bios_write
, NULL
);
366 register_ioport_write(0x8900, 1, 1, bochs_bios_write
, NULL
);
368 register_ioport_write(0x501, 1, 2, bochs_bios_write
, NULL
);
369 register_ioport_write(0x502, 1, 2, bochs_bios_write
, NULL
);
370 register_ioport_write(0x500, 1, 1, bochs_bios_write
, NULL
);
371 register_ioport_write(0x503, 1, 1, bochs_bios_write
, NULL
);
375 int load_kernel(const char *filename
, uint8_t *addr
,
381 fd
= open(filename
, O_RDONLY
| O_BINARY
);
385 /* load 16 bit code */
386 if (read(fd
, real_addr
, 512) != 512)
388 setup_sects
= real_addr
[0x1F1];
391 if (read(fd
, real_addr
+ 512, setup_sects
* 512) !=
395 /* load 32 bit code */
396 size
= read(fd
, addr
, 16 * 1024 * 1024);
406 static void main_cpu_reset(void *opaque
)
408 CPUState
*env
= opaque
;
412 /*************************************************/
414 static void putb(uint8_t **pp
, int val
)
422 static void putstr(uint8_t **pp
, const char *str
)
431 static void putle16(uint8_t **pp
, int val
)
440 static void putle32(uint8_t **pp
, int val
)
451 static int mpf_checksum(const uint8_t *data
, int len
)
455 for(i
= 0; i
< len
; i
++)
460 /* Build the Multi Processor table in the BIOS. Same values as Bochs. */
461 static void bios_add_mptable(uint8_t *bios_data
)
463 uint8_t *mp_config_table
, *q
, *float_pointer_struct
;
464 int ioapic_id
, offset
, i
, len
;
469 mp_config_table
= bios_data
+ 0xcc00;
471 putstr(&q
, "PCMP"); /* "PCMP signature */
472 putle16(&q
, 0); /* table length (patched later) */
473 putb(&q
, 4); /* spec rev */
474 putb(&q
, 0); /* checksum (patched later) */
475 putstr(&q
, "QEMUCPU "); /* OEM id */
476 putstr(&q
, "0.1 "); /* vendor id */
477 putle32(&q
, 0); /* OEM table ptr */
478 putle16(&q
, 0); /* OEM table size */
479 putle16(&q
, 20); /* entry count */
480 putle32(&q
, 0xfee00000); /* local APIC addr */
481 putle16(&q
, 0); /* ext table length */
482 putb(&q
, 0); /* ext table checksum */
483 putb(&q
, 0); /* reserved */
485 for(i
= 0; i
< smp_cpus
; i
++) {
486 putb(&q
, 0); /* entry type = processor */
487 putb(&q
, i
); /* APIC id */
488 putb(&q
, 0x11); /* local APIC version number */
490 putb(&q
, 3); /* cpu flags: enabled, bootstrap cpu */
492 putb(&q
, 1); /* cpu flags: enabled */
493 putb(&q
, 0); /* cpu signature */
497 putle16(&q
, 0x201); /* feature flags */
500 putle16(&q
, 0); /* reserved */
507 putb(&q
, 1); /* entry type = bus */
508 putb(&q
, 0); /* bus ID */
512 ioapic_id
= smp_cpus
;
513 putb(&q
, 2); /* entry type = I/O APIC */
514 putb(&q
, ioapic_id
); /* apic ID */
515 putb(&q
, 0x11); /* I/O APIC version number */
516 putb(&q
, 1); /* enable */
517 putle32(&q
, 0xfec00000); /* I/O APIC addr */
520 for(i
= 0; i
< 16; i
++) {
521 putb(&q
, 3); /* entry type = I/O interrupt */
522 putb(&q
, 0); /* interrupt type = vectored interrupt */
523 putb(&q
, 0); /* flags: po=0, el=0 */
525 putb(&q
, 0); /* source bus ID = ISA */
526 putb(&q
, i
); /* source bus IRQ */
527 putb(&q
, ioapic_id
); /* dest I/O APIC ID */
528 putb(&q
, i
); /* dest I/O APIC interrupt in */
531 len
= q
- mp_config_table
;
532 mp_config_table
[4] = len
;
533 mp_config_table
[5] = len
>> 8;
535 mp_config_table
[7] = -mpf_checksum(mp_config_table
, q
- mp_config_table
);
538 offset
= q
- bios_data
;
539 offset
= (offset
+ 15) & ~15;
540 float_pointer_struct
= bios_data
+ offset
;
542 /* floating pointer structure */
543 q
= float_pointer_struct
;
545 /* pointer to MP config table */
546 putle32(&q
, mp_config_table
- bios_data
+ 0x000f0000);
548 putb(&q
, 1); /* length in 16 byte units */
549 putb(&q
, 4); /* MP spec revision */
550 putb(&q
, 0); /* checksum (patched later) */
551 putb(&q
, 0); /* MP feature byte 1 */
557 float_pointer_struct
[10] =
558 -mpf_checksum(float_pointer_struct
, q
- float_pointer_struct
);
562 static const int ide_iobase
[2] = { 0x1f0, 0x170 };
563 static const int ide_iobase2
[2] = { 0x3f6, 0x376 };
564 static const int ide_irq
[2] = { 14, 15 };
566 #define NE2000_NB_MAX 6
568 static int ne2000_io
[NE2000_NB_MAX
] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 };
569 static int ne2000_irq
[NE2000_NB_MAX
] = { 9, 10, 11, 3, 4, 5 };
571 static int serial_io
[MAX_SERIAL_PORTS
] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
572 static int serial_irq
[MAX_SERIAL_PORTS
] = { 4, 3, 4, 3 };
574 static int parallel_io
[MAX_PARALLEL_PORTS
] = { 0x378, 0x278, 0x3bc };
575 static int parallel_irq
[MAX_PARALLEL_PORTS
] = { 7, 7, 7 };
577 /* PC hardware initialisation */
578 static void pc_init1(int ram_size
, int vga_ram_size
, int boot_device
,
579 DisplayState
*ds
, const char **fd_filename
, int snapshot
,
580 const char *kernel_filename
, const char *kernel_cmdline
,
581 const char *initrd_filename
,
585 int ret
, linux_boot
, initrd_size
, i
, nb_nics1
;
586 unsigned long bios_offset
, vga_bios_offset
;
587 int bios_size
, isa_bios_size
;
591 linux_boot
= (kernel_filename
!= NULL
);
594 for(i
= 0; i
< smp_cpus
; i
++) {
597 env
->hflags
|= HF_HALTED_MASK
;
599 /* XXX: enable it in all cases */
600 env
->cpuid_features
|= CPUID_APIC
;
602 register_savevm("cpu", i
, 3, cpu_save
, cpu_load
, env
);
603 qemu_register_reset(main_cpu_reset
, env
);
610 cpu_register_physical_memory(0, ram_size
, 0);
613 bios_offset
= ram_size
+ vga_ram_size
;
614 vga_bios_offset
= bios_offset
+ 256 * 1024;
616 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, BIOS_FILENAME
);
617 bios_size
= get_image_size(buf
);
618 if (bios_size
<= 0 ||
619 (bios_size
% 65536) != 0 ||
620 bios_size
> (256 * 1024)) {
623 ret
= load_image(buf
, phys_ram_base
+ bios_offset
);
624 if (ret
!= bios_size
) {
626 fprintf(stderr
, "qemu: could not load PC bios '%s'\n", buf
);
629 if (bios_size
== 65536) {
630 bios_add_mptable(phys_ram_base
+ bios_offset
);
634 if (cirrus_vga_enabled
) {
635 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, VGABIOS_CIRRUS_FILENAME
);
637 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, VGABIOS_FILENAME
);
639 ret
= load_image(buf
, phys_ram_base
+ vga_bios_offset
);
641 /* setup basic memory access */
642 cpu_register_physical_memory(0xc0000, 0x10000,
643 vga_bios_offset
| IO_MEM_ROM
);
645 /* map the last 128KB of the BIOS in ISA space */
646 isa_bios_size
= bios_size
;
647 if (isa_bios_size
> (128 * 1024))
648 isa_bios_size
= 128 * 1024;
649 cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size
,
651 cpu_register_physical_memory(0x100000 - isa_bios_size
,
653 (bios_offset
+ bios_size
- isa_bios_size
) | IO_MEM_ROM
);
654 /* map all the bios at the top of memory */
655 cpu_register_physical_memory((uint32_t)(-bios_size
),
656 bios_size
, bios_offset
| IO_MEM_ROM
);
661 uint8_t bootsect
[512];
662 uint8_t old_bootsect
[512];
664 if (bs_table
[0] == NULL
) {
665 fprintf(stderr
, "A disk image must be given for 'hda' when booting a Linux kernel\n");
668 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, LINUX_BOOT_FILENAME
);
669 ret
= load_image(buf
, bootsect
);
670 if (ret
!= sizeof(bootsect
)) {
671 fprintf(stderr
, "qemu: could not load linux boot sector '%s'\n",
676 if (bdrv_read(bs_table
[0], 0, old_bootsect
, 1) >= 0) {
677 /* copy the MSDOS partition table */
678 memcpy(bootsect
+ 0x1be, old_bootsect
+ 0x1be, 0x40);
681 bdrv_set_boot_sector(bs_table
[0], bootsect
, sizeof(bootsect
));
683 /* now we can load the kernel */
684 ret
= load_kernel(kernel_filename
,
685 phys_ram_base
+ KERNEL_LOAD_ADDR
,
686 phys_ram_base
+ KERNEL_PARAMS_ADDR
);
688 fprintf(stderr
, "qemu: could not load kernel '%s'\n",
695 if (initrd_filename
) {
696 initrd_size
= load_image(initrd_filename
, phys_ram_base
+ INITRD_LOAD_ADDR
);
697 if (initrd_size
< 0) {
698 fprintf(stderr
, "qemu: could not load initial ram disk '%s'\n",
703 if (initrd_size
> 0) {
704 stl_raw(phys_ram_base
+ KERNEL_PARAMS_ADDR
+ 0x218, INITRD_LOAD_ADDR
);
705 stl_raw(phys_ram_base
+ KERNEL_PARAMS_ADDR
+ 0x21c, initrd_size
);
707 pstrcpy(phys_ram_base
+ KERNEL_CMDLINE_ADDR
, 4096,
709 stw_raw(phys_ram_base
+ KERNEL_PARAMS_ADDR
+ 0x20, 0xA33F);
710 stw_raw(phys_ram_base
+ KERNEL_PARAMS_ADDR
+ 0x22,
711 KERNEL_CMDLINE_ADDR
- KERNEL_PARAMS_ADDR
);
713 stw_raw(phys_ram_base
+ KERNEL_PARAMS_ADDR
+ 0x210, 0x01);
717 pci_bus
= i440fx_init();
723 /* init basic PC hardware */
724 register_ioport_write(0x80, 1, 1, ioport80_write
, NULL
);
726 register_ioport_write(0xf0, 1, 1, ioportF0_write
, NULL
);
728 if (cirrus_vga_enabled
) {
730 pci_cirrus_vga_init(pci_bus
,
731 ds
, phys_ram_base
+ ram_size
, ram_size
,
734 isa_cirrus_vga_init(ds
, phys_ram_base
+ ram_size
, ram_size
,
738 vga_initialize(pci_bus
, ds
, phys_ram_base
+ ram_size
, ram_size
,
742 rtc_state
= rtc_init(0x70, 8);
743 register_ioport_read(0x61, 1, 1, speaker_ioport_read
, NULL
);
744 register_ioport_write(0x61, 1, 1, speaker_ioport_write
, NULL
);
746 register_ioport_read(0x92, 1, 1, ioport92_read
, NULL
);
747 register_ioport_write(0x92, 1, 1, ioport92_write
, NULL
);
750 ioapic
= ioapic_init();
752 isa_pic
= pic_init(pic_irq_request
, first_cpu
);
753 pit
= pit_init(0x40, 0);
755 pic_set_alt_irq_func(isa_pic
, ioapic_set_irq
, ioapic
);
758 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
760 serial_init(&pic_set_irq_new
, isa_pic
,
761 serial_io
[i
], serial_irq
[i
], serial_hds
[i
]);
765 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
766 if (parallel_hds
[i
]) {
767 parallel_init(parallel_io
[i
], parallel_irq
[i
], parallel_hds
[i
]);
772 for(i
= 0; i
< nb_nics
; i
++) {
773 pci_ne2000_init(pci_bus
, &nd_table
[i
]);
775 pci_piix3_ide_init(pci_bus
, bs_table
);
778 if (nb_nics1
> NE2000_NB_MAX
)
779 nb_nics1
= NE2000_NB_MAX
;
780 for(i
= 0; i
< nb_nics1
; i
++) {
781 isa_ne2000_init(ne2000_io
[i
], ne2000_irq
[i
], &nd_table
[i
]);
784 for(i
= 0; i
< 2; i
++) {
785 isa_ide_init(ide_iobase
[i
], ide_iobase2
[i
], ide_irq
[i
],
786 bs_table
[2 * i
], bs_table
[2 * i
+ 1]);
808 if (pci_enabled
&& es1370_enabled
)
809 es1370_init (pci_bus
, audio
);
813 floppy_controller
= fdctrl_init(6, 2, 0, 0x3f0, fd_table
);
815 cmos_init(ram_size
, boot_device
, bs_table
);
817 if (pci_enabled
&& usb_enabled
) {
818 usb_uhci_init(pci_bus
, usb_root_ports
);
819 usb_attach(usb_root_ports
[0], vm_usb_hub
);
822 /* must be done after all PCI devices are instanciated */
823 /* XXX: should be done in the Bochs BIOS */
829 static void pc_init_pci(int ram_size
, int vga_ram_size
, int boot_device
,
830 DisplayState
*ds
, const char **fd_filename
,
832 const char *kernel_filename
,
833 const char *kernel_cmdline
,
834 const char *initrd_filename
)
836 pc_init1(ram_size
, vga_ram_size
, boot_device
,
837 ds
, fd_filename
, snapshot
,
838 kernel_filename
, kernel_cmdline
,
842 static void pc_init_isa(int ram_size
, int vga_ram_size
, int boot_device
,
843 DisplayState
*ds
, const char **fd_filename
,
845 const char *kernel_filename
,
846 const char *kernel_cmdline
,
847 const char *initrd_filename
)
849 pc_init1(ram_size
, vga_ram_size
, boot_device
,
850 ds
, fd_filename
, snapshot
,
851 kernel_filename
, kernel_cmdline
,
855 QEMUMachine pc_machine
= {
861 QEMUMachine isapc_machine
= {