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"
33 /* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
34 #define ACPI_DATA_SIZE 0x10000
36 static fdctrl_t
*floppy_controller
;
37 static RTCState
*rtc_state
;
39 static IOAPICState
*ioapic
;
40 static PCIDevice
*i440fx_state
;
42 static void ioport80_write(void *opaque
, uint32_t addr
, uint32_t data
)
46 /* MSDOS compatibility mode FPU exception support */
47 static qemu_irq ferr_irq
;
48 /* XXX: add IGNNE support */
49 void cpu_set_ferr(CPUX86State
*s
)
51 qemu_irq_raise(ferr_irq
);
54 static void ioportF0_write(void *opaque
, uint32_t addr
, uint32_t data
)
56 qemu_irq_lower(ferr_irq
);
60 uint64_t cpu_get_tsc(CPUX86State
*env
)
62 /* Note: when using kqemu, it is more logical to return the host TSC
63 because kqemu does not trap the RDTSC instruction for
64 performance reasons */
66 if (env
->kqemu_enabled
) {
67 return cpu_get_real_ticks();
71 return cpu_get_ticks();
76 void cpu_smm_update(CPUState
*env
)
78 if (i440fx_state
&& env
== first_cpu
)
79 i440fx_set_smm(i440fx_state
, (env
->hflags
>> HF_SMM_SHIFT
) & 1);
84 int cpu_get_pic_interrupt(CPUState
*env
)
88 intno
= apic_get_interrupt(env
);
90 /* set irq request if a PIC irq is still pending */
91 /* XXX: improve that */
92 pic_update_irq(isa_pic
);
95 /* read the irq from the PIC */
96 if (!apic_accept_pic_intr(env
))
99 intno
= pic_read_irq(isa_pic
);
103 static void pic_irq_request(void *opaque
, int irq
, int level
)
105 CPUState
*env
= opaque
;
106 if (level
&& apic_accept_pic_intr(env
))
107 cpu_interrupt(env
, CPU_INTERRUPT_HARD
);
110 /* PC cmos mappings */
112 #define REG_EQUIPMENT_BYTE 0x14
114 static int cmos_get_fd_drive_type(int fd0
)
120 /* 1.44 Mb 3"5 drive */
124 /* 2.88 Mb 3"5 drive */
128 /* 1.2 Mb 5"5 drive */
138 static void cmos_init_hd(int type_ofs
, int info_ofs
, BlockDriverState
*hd
)
140 RTCState
*s
= rtc_state
;
141 int cylinders
, heads
, sectors
;
142 bdrv_get_geometry_hint(hd
, &cylinders
, &heads
, §ors
);
143 rtc_set_memory(s
, type_ofs
, 47);
144 rtc_set_memory(s
, info_ofs
, cylinders
);
145 rtc_set_memory(s
, info_ofs
+ 1, cylinders
>> 8);
146 rtc_set_memory(s
, info_ofs
+ 2, heads
);
147 rtc_set_memory(s
, info_ofs
+ 3, 0xff);
148 rtc_set_memory(s
, info_ofs
+ 4, 0xff);
149 rtc_set_memory(s
, info_ofs
+ 5, 0xc0 | ((heads
> 8) << 3));
150 rtc_set_memory(s
, info_ofs
+ 6, cylinders
);
151 rtc_set_memory(s
, info_ofs
+ 7, cylinders
>> 8);
152 rtc_set_memory(s
, info_ofs
+ 8, sectors
);
155 /* convert boot_device letter to something recognizable by the bios */
156 static int boot_device2nibble(char boot_device
)
158 switch(boot_device
) {
161 return 0x01; /* floppy boot */
163 return 0x02; /* hard drive boot */
165 return 0x03; /* CD-ROM boot */
167 return 0x04; /* Network boot */
172 /* hd_table must contain 4 block drivers */
173 static void cmos_init(int ram_size
, const char *boot_device
, BlockDriverState
**hd_table
)
175 RTCState
*s
= rtc_state
;
180 /* various important CMOS locations needed by PC/Bochs bios */
183 val
= 640; /* base memory in K */
184 rtc_set_memory(s
, 0x15, val
);
185 rtc_set_memory(s
, 0x16, val
>> 8);
187 val
= (ram_size
/ 1024) - 1024;
190 rtc_set_memory(s
, 0x17, val
);
191 rtc_set_memory(s
, 0x18, val
>> 8);
192 rtc_set_memory(s
, 0x30, val
);
193 rtc_set_memory(s
, 0x31, val
>> 8);
195 if (ram_size
> (16 * 1024 * 1024))
196 val
= (ram_size
/ 65536) - ((16 * 1024 * 1024) / 65536);
201 rtc_set_memory(s
, 0x34, val
);
202 rtc_set_memory(s
, 0x35, val
>> 8);
204 /* set boot devices, and disable floppy signature check if requested */
205 rtc_set_memory(s
, 0x3d,
206 boot_device2nibble(boot_device
[1]) << 4 |
207 boot_device2nibble(boot_device
[0]) );
208 rtc_set_memory(s
, 0x38,
209 boot_device2nibble(boot_device
[2]) << 4 | (fd_bootchk
? 0x0 : 0x1));
213 fd0
= fdctrl_get_drive_type(floppy_controller
, 0);
214 fd1
= fdctrl_get_drive_type(floppy_controller
, 1);
216 val
= (cmos_get_fd_drive_type(fd0
) << 4) | cmos_get_fd_drive_type(fd1
);
217 rtc_set_memory(s
, 0x10, val
);
229 val
|= 0x01; /* 1 drive, ready for boot */
232 val
|= 0x41; /* 2 drives, ready for boot */
235 val
|= 0x02; /* FPU is there */
236 val
|= 0x04; /* PS/2 mouse installed */
237 rtc_set_memory(s
, REG_EQUIPMENT_BYTE
, val
);
241 rtc_set_memory(s
, 0x12, (hd_table
[0] ? 0xf0 : 0) | (hd_table
[1] ? 0x0f : 0));
243 cmos_init_hd(0x19, 0x1b, hd_table
[0]);
245 cmos_init_hd(0x1a, 0x24, hd_table
[1]);
248 for (i
= 0; i
< 4; i
++) {
250 int cylinders
, heads
, sectors
, translation
;
251 /* NOTE: bdrv_get_geometry_hint() returns the physical
252 geometry. It is always such that: 1 <= sects <= 63, 1
253 <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
254 geometry can be different if a translation is done. */
255 translation
= bdrv_get_translation_hint(hd_table
[i
]);
256 if (translation
== BIOS_ATA_TRANSLATION_AUTO
) {
257 bdrv_get_geometry_hint(hd_table
[i
], &cylinders
, &heads
, §ors
);
258 if (cylinders
<= 1024 && heads
<= 16 && sectors
<= 63) {
259 /* No translation. */
262 /* LBA translation. */
268 val
|= translation
<< (i
* 2);
271 rtc_set_memory(s
, 0x39, val
);
274 void ioport_set_a20(int enable
)
276 /* XXX: send to all CPUs ? */
277 cpu_x86_set_a20(first_cpu
, enable
);
280 int ioport_get_a20(void)
282 return ((first_cpu
->a20_mask
>> 20) & 1);
285 static void ioport92_write(void *opaque
, uint32_t addr
, uint32_t val
)
287 ioport_set_a20((val
>> 1) & 1);
288 /* XXX: bit 0 is fast reset */
291 static uint32_t ioport92_read(void *opaque
, uint32_t addr
)
293 return ioport_get_a20() << 1;
296 /***********************************************************/
297 /* Bochs BIOS debug ports */
299 void bochs_bios_write(void *opaque
, uint32_t addr
, uint32_t val
)
301 static const char shutdown_str
[8] = "Shutdown";
302 static int shutdown_index
= 0;
305 /* Bochs BIOS messages */
308 fprintf(stderr
, "BIOS panic at rombios.c, line %d\n", val
);
313 fprintf(stderr
, "%c", val
);
317 /* same as Bochs power off */
318 if (val
== shutdown_str
[shutdown_index
]) {
320 if (shutdown_index
== 8) {
322 qemu_system_shutdown_request();
329 /* LGPL'ed VGA BIOS messages */
332 fprintf(stderr
, "VGA BIOS panic, line %d\n", val
);
337 fprintf(stderr
, "%c", val
);
343 void bochs_bios_init(void)
345 register_ioport_write(0x400, 1, 2, bochs_bios_write
, NULL
);
346 register_ioport_write(0x401, 1, 2, bochs_bios_write
, NULL
);
347 register_ioport_write(0x402, 1, 1, bochs_bios_write
, NULL
);
348 register_ioport_write(0x403, 1, 1, bochs_bios_write
, NULL
);
349 register_ioport_write(0x8900, 1, 1, bochs_bios_write
, NULL
);
351 register_ioport_write(0x501, 1, 2, bochs_bios_write
, NULL
);
352 register_ioport_write(0x502, 1, 2, bochs_bios_write
, NULL
);
353 register_ioport_write(0x500, 1, 1, bochs_bios_write
, NULL
);
354 register_ioport_write(0x503, 1, 1, bochs_bios_write
, NULL
);
357 /* Generate an initial boot sector which sets state and jump to
358 a specified vector */
359 static void generate_bootsect(uint32_t gpr
[8], uint16_t segs
[6], uint16_t ip
)
361 uint8_t bootsect
[512], *p
;
364 if (bs_table
[0] == NULL
) {
365 fprintf(stderr
, "A disk image must be given for 'hda' when booting "
370 memset(bootsect
, 0, sizeof(bootsect
));
372 /* Copy the MSDOS partition table if possible */
373 bdrv_read(bs_table
[0], 0, bootsect
, 1);
375 /* Make sure we have a partition signature */
376 bootsect
[510] = 0x55;
377 bootsect
[511] = 0xaa;
381 *p
++ = 0xfa; /* CLI */
382 *p
++ = 0xfc; /* CLD */
384 for (i
= 0; i
< 6; i
++) {
385 if (i
== 1) /* Skip CS */
388 *p
++ = 0xb8; /* MOV AX,imm16 */
391 *p
++ = 0x8e; /* MOV <seg>,AX */
392 *p
++ = 0xc0 + (i
<< 3);
395 for (i
= 0; i
< 8; i
++) {
396 *p
++ = 0x66; /* 32-bit operand size */
397 *p
++ = 0xb8 + i
; /* MOV <reg>,imm32 */
404 *p
++ = 0xea; /* JMP FAR */
407 *p
++ = segs
[1]; /* CS */
410 bdrv_set_boot_sector(bs_table
[0], bootsect
, sizeof(bootsect
));
413 int load_kernel(const char *filename
, uint8_t *addr
,
419 fd
= open(filename
, O_RDONLY
| O_BINARY
);
423 /* load 16 bit code */
424 if (read(fd
, real_addr
, 512) != 512)
426 setup_sects
= real_addr
[0x1F1];
429 if (read(fd
, real_addr
+ 512, setup_sects
* 512) !=
433 /* load 32 bit code */
434 size
= read(fd
, addr
, 16 * 1024 * 1024);
444 static long get_file_size(FILE *f
)
448 /* XXX: on Unix systems, using fstat() probably makes more sense */
451 fseek(f
, 0, SEEK_END
);
453 fseek(f
, where
, SEEK_SET
);
458 static void load_linux(const char *kernel_filename
,
459 const char *initrd_filename
,
460 const char *kernel_cmdline
)
466 int setup_size
, kernel_size
, initrd_size
, cmdline_size
;
468 uint8_t header
[1024];
469 uint8_t *real_addr
, *prot_addr
, *cmdline_addr
, *initrd_addr
;
472 /* Align to 16 bytes as a paranoia measure */
473 cmdline_size
= (strlen(kernel_cmdline
)+16) & ~15;
475 /* load the kernel header */
476 f
= fopen(kernel_filename
, "rb");
477 if (!f
|| !(kernel_size
= get_file_size(f
)) ||
478 fread(header
, 1, 1024, f
) != 1024) {
479 fprintf(stderr
, "qemu: could not load kernel '%s'\n",
484 /* kernel protocol version */
485 fprintf(stderr
, "header magic: %#x\n", ldl_p(header
+0x202));
486 if (ldl_p(header
+0x202) == 0x53726448)
487 protocol
= lduw_p(header
+0x206);
491 if (protocol
< 0x200 || !(header
[0x211] & 0x01)) {
493 real_addr
= phys_ram_base
+ 0x90000;
494 cmdline_addr
= phys_ram_base
+ 0x9a000 - cmdline_size
;
495 prot_addr
= phys_ram_base
+ 0x10000;
496 } else if (protocol
< 0x202) {
497 /* High but ancient kernel */
498 real_addr
= phys_ram_base
+ 0x90000;
499 cmdline_addr
= phys_ram_base
+ 0x9a000 - cmdline_size
;
500 prot_addr
= phys_ram_base
+ 0x100000;
502 /* High and recent kernel */
503 real_addr
= phys_ram_base
+ 0x10000;
504 cmdline_addr
= phys_ram_base
+ 0x20000;
505 prot_addr
= phys_ram_base
+ 0x100000;
509 "qemu: real_addr = %#zx\n"
510 "qemu: cmdline_addr = %#zx\n"
511 "qemu: prot_addr = %#zx\n",
512 real_addr
-phys_ram_base
,
513 cmdline_addr
-phys_ram_base
,
514 prot_addr
-phys_ram_base
);
516 /* highest address for loading the initrd */
517 if (protocol
>= 0x203)
518 initrd_max
= ldl_p(header
+0x22c);
520 initrd_max
= 0x37ffffff;
522 if (initrd_max
>= ram_size
-ACPI_DATA_SIZE
)
523 initrd_max
= ram_size
-ACPI_DATA_SIZE
-1;
525 /* kernel command line */
526 pstrcpy(cmdline_addr
, 4096, kernel_cmdline
);
528 if (protocol
>= 0x202) {
529 stl_p(header
+0x228, cmdline_addr
-phys_ram_base
);
531 stw_p(header
+0x20, 0xA33F);
532 stw_p(header
+0x22, cmdline_addr
-real_addr
);
536 /* High nybble = B reserved for Qemu; low nybble is revision number.
537 If this code is substantially changed, you may want to consider
538 incrementing the revision. */
539 if (protocol
>= 0x200)
540 header
[0x210] = 0xB0;
543 if (protocol
>= 0x201) {
544 header
[0x211] |= 0x80; /* CAN_USE_HEAP */
545 stw_p(header
+0x224, cmdline_addr
-real_addr
-0x200);
549 if (initrd_filename
) {
550 if (protocol
< 0x200) {
551 fprintf(stderr
, "qemu: linux kernel too old to load a ram disk\n");
555 fi
= fopen(initrd_filename
, "rb");
557 fprintf(stderr
, "qemu: could not load initial ram disk '%s'\n",
562 initrd_size
= get_file_size(fi
);
563 initrd_addr
= phys_ram_base
+ ((initrd_max
-initrd_size
) & ~4095);
565 fprintf(stderr
, "qemu: loading initrd (%#x bytes) at %#zx\n",
566 initrd_size
, initrd_addr
-phys_ram_base
);
568 if (fread(initrd_addr
, 1, initrd_size
, fi
) != initrd_size
) {
569 fprintf(stderr
, "qemu: read error on initial ram disk '%s'\n",
575 stl_p(header
+0x218, initrd_addr
-phys_ram_base
);
576 stl_p(header
+0x21c, initrd_size
);
579 /* store the finalized header and load the rest of the kernel */
580 memcpy(real_addr
, header
, 1024);
582 setup_size
= header
[0x1f1];
586 setup_size
= (setup_size
+1)*512;
587 kernel_size
-= setup_size
; /* Size of protected-mode code */
589 if (fread(real_addr
+1024, 1, setup_size
-1024, f
) != setup_size
-1024 ||
590 fread(prot_addr
, 1, kernel_size
, f
) != kernel_size
) {
591 fprintf(stderr
, "qemu: read error on kernel '%s'\n",
597 /* generate bootsector to set up the initial register state */
598 real_seg
= (real_addr
-phys_ram_base
) >> 4;
599 seg
[0] = seg
[2] = seg
[3] = seg
[4] = seg
[4] = real_seg
;
600 seg
[1] = real_seg
+0x20; /* CS */
601 memset(gpr
, 0, sizeof gpr
);
602 gpr
[4] = cmdline_addr
-real_addr
-16; /* SP (-16 is paranoia) */
604 generate_bootsect(gpr
, seg
, 0);
607 static void main_cpu_reset(void *opaque
)
609 CPUState
*env
= opaque
;
613 static const int ide_iobase
[2] = { 0x1f0, 0x170 };
614 static const int ide_iobase2
[2] = { 0x3f6, 0x376 };
615 static const int ide_irq
[2] = { 14, 15 };
617 #define NE2000_NB_MAX 6
619 static int ne2000_io
[NE2000_NB_MAX
] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 };
620 static int ne2000_irq
[NE2000_NB_MAX
] = { 9, 10, 11, 3, 4, 5 };
622 static int serial_io
[MAX_SERIAL_PORTS
] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
623 static int serial_irq
[MAX_SERIAL_PORTS
] = { 4, 3, 4, 3 };
625 static int parallel_io
[MAX_PARALLEL_PORTS
] = { 0x378, 0x278, 0x3bc };
626 static int parallel_irq
[MAX_PARALLEL_PORTS
] = { 7, 7, 7 };
629 static void audio_init (PCIBus
*pci_bus
, qemu_irq
*pic
)
632 int audio_enabled
= 0;
634 for (c
= soundhw
; !audio_enabled
&& c
->name
; ++c
) {
635 audio_enabled
= c
->enabled
;
643 for (c
= soundhw
; c
->name
; ++c
) {
646 c
->init
.init_isa (s
, pic
);
650 c
->init
.init_pci (pci_bus
, s
);
660 static void pc_init_ne2k_isa(NICInfo
*nd
, qemu_irq
*pic
)
662 static int nb_ne2k
= 0;
664 if (nb_ne2k
== NE2000_NB_MAX
)
666 isa_ne2000_init(ne2000_io
[nb_ne2k
], pic
[ne2000_irq
[nb_ne2k
]], nd
);
670 /* PC hardware initialisation */
671 static void pc_init1(int ram_size
, int vga_ram_size
, const char *boot_device
,
672 DisplayState
*ds
, const char **fd_filename
, int snapshot
,
673 const char *kernel_filename
, const char *kernel_cmdline
,
674 const char *initrd_filename
,
678 int ret
, linux_boot
, i
;
679 ram_addr_t ram_addr
, vga_ram_addr
, bios_offset
, vga_bios_offset
;
680 int bios_size
, isa_bios_size
, vga_bios_size
;
682 int piix3_devfn
= -1;
688 linux_boot
= (kernel_filename
!= NULL
);
691 for(i
= 0; i
< smp_cpus
; i
++) {
694 env
->hflags
|= HF_HALTED_MASK
;
696 /* XXX: enable it in all cases */
697 env
->cpuid_features
|= CPUID_APIC
;
699 register_savevm("cpu", i
, 4, cpu_save
, cpu_load
, env
);
700 qemu_register_reset(main_cpu_reset
, env
);
708 ram_addr
= qemu_ram_alloc(ram_size
);
709 cpu_register_physical_memory(0, ram_size
, ram_addr
);
711 /* allocate VGA RAM */
712 vga_ram_addr
= qemu_ram_alloc(vga_ram_size
);
715 if (bios_name
== NULL
)
716 bios_name
= BIOS_FILENAME
;
717 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, bios_name
);
718 bios_size
= get_image_size(buf
);
719 if (bios_size
<= 0 ||
720 (bios_size
% 65536) != 0) {
723 bios_offset
= qemu_ram_alloc(bios_size
);
724 ret
= load_image(buf
, phys_ram_base
+ bios_offset
);
725 if (ret
!= bios_size
) {
727 fprintf(stderr
, "qemu: could not load PC BIOS '%s'\n", buf
);
732 if (cirrus_vga_enabled
) {
733 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, VGABIOS_CIRRUS_FILENAME
);
735 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, VGABIOS_FILENAME
);
737 vga_bios_size
= get_image_size(buf
);
738 if (vga_bios_size
<= 0 || vga_bios_size
> 65536)
740 vga_bios_offset
= qemu_ram_alloc(65536);
742 ret
= load_image(buf
, phys_ram_base
+ vga_bios_offset
);
743 if (ret
!= vga_bios_size
) {
745 fprintf(stderr
, "qemu: could not load VGA BIOS '%s'\n", buf
);
749 /* setup basic memory access */
750 cpu_register_physical_memory(0xc0000, 0x10000,
751 vga_bios_offset
| IO_MEM_ROM
);
753 /* map the last 128KB of the BIOS in ISA space */
754 isa_bios_size
= bios_size
;
755 if (isa_bios_size
> (128 * 1024))
756 isa_bios_size
= 128 * 1024;
757 cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size
,
759 cpu_register_physical_memory(0x100000 - isa_bios_size
,
761 (bios_offset
+ bios_size
- isa_bios_size
) | IO_MEM_ROM
);
764 ram_addr_t option_rom_offset
;
768 for (i
= 0; i
< nb_option_roms
; i
++) {
769 size
= get_image_size(option_rom
[i
]);
771 fprintf(stderr
, "Could not load option rom '%s'\n",
775 if (size
> (0x10000 - offset
))
776 goto option_rom_error
;
777 option_rom_offset
= qemu_ram_alloc(size
);
778 ret
= load_image(option_rom
[i
], phys_ram_base
+ option_rom_offset
);
781 fprintf(stderr
, "Too many option ROMS\n");
784 size
= (size
+ 4095) & ~4095;
785 cpu_register_physical_memory(0xd0000 + offset
,
786 size
, option_rom_offset
| IO_MEM_ROM
);
791 /* map all the bios at the top of memory */
792 cpu_register_physical_memory((uint32_t)(-bios_size
),
793 bios_size
, bios_offset
| IO_MEM_ROM
);
798 load_linux(kernel_filename
, initrd_filename
, kernel_cmdline
);
800 cpu_irq
= qemu_allocate_irqs(pic_irq_request
, first_cpu
, 1);
801 i8259
= i8259_init(cpu_irq
[0]);
802 ferr_irq
= i8259
[13];
805 pci_bus
= i440fx_init(&i440fx_state
, i8259
);
806 piix3_devfn
= piix3_init(pci_bus
, -1);
811 /* init basic PC hardware */
812 register_ioport_write(0x80, 1, 1, ioport80_write
, NULL
);
814 register_ioport_write(0xf0, 1, 1, ioportF0_write
, NULL
);
816 if (cirrus_vga_enabled
) {
818 pci_cirrus_vga_init(pci_bus
,
819 ds
, phys_ram_base
+ vga_ram_addr
,
820 vga_ram_addr
, vga_ram_size
);
822 isa_cirrus_vga_init(ds
, phys_ram_base
+ vga_ram_addr
,
823 vga_ram_addr
, vga_ram_size
);
825 } else if (vmsvga_enabled
) {
827 pci_vmsvga_init(pci_bus
, ds
, phys_ram_base
+ ram_size
,
828 ram_size
, vga_ram_size
);
830 fprintf(stderr
, "%s: vmware_vga: no PCI bus\n", __FUNCTION__
);
833 pci_vga_init(pci_bus
, ds
, phys_ram_base
+ vga_ram_addr
,
834 vga_ram_addr
, vga_ram_size
, 0, 0);
836 isa_vga_init(ds
, phys_ram_base
+ vga_ram_addr
,
837 vga_ram_addr
, vga_ram_size
);
841 rtc_state
= rtc_init(0x70, i8259
[8]);
843 register_ioport_read(0x92, 1, 1, ioport92_read
, NULL
);
844 register_ioport_write(0x92, 1, 1, ioport92_write
, NULL
);
847 ioapic
= ioapic_init();
849 pit
= pit_init(0x40, i8259
[0]);
852 pic_set_alt_irq_func(isa_pic
, ioapic_set_irq
, ioapic
);
855 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
857 serial_init(serial_io
[i
], i8259
[serial_irq
[i
]], serial_hds
[i
]);
861 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
862 if (parallel_hds
[i
]) {
863 parallel_init(parallel_io
[i
], i8259
[parallel_irq
[i
]],
868 for(i
= 0; i
< nb_nics
; i
++) {
872 nd
->model
= "ne2k_pci";
874 nd
->model
= "ne2k_isa";
877 if (strcmp(nd
->model
, "ne2k_isa") == 0) {
878 pc_init_ne2k_isa(nd
, i8259
);
879 } else if (pci_enabled
) {
880 if (strcmp(nd
->model
, "?") == 0)
881 fprintf(stderr
, "qemu: Supported ISA NICs: ne2k_isa\n");
882 pci_nic_init(pci_bus
, nd
, -1);
883 } else if (strcmp(nd
->model
, "?") == 0) {
884 fprintf(stderr
, "qemu: Supported ISA NICs: ne2k_isa\n");
887 fprintf(stderr
, "qemu: Unsupported NIC: %s\n", nd
->model
);
893 pci_piix3_ide_init(pci_bus
, bs_table
, piix3_devfn
+ 1, i8259
);
895 for(i
= 0; i
< 2; i
++) {
896 isa_ide_init(ide_iobase
[i
], ide_iobase2
[i
], i8259
[ide_irq
[i
]],
897 bs_table
[2 * i
], bs_table
[2 * i
+ 1]);
901 i8042_init(i8259
[1], i8259
[12], 0x60);
904 audio_init(pci_enabled
? pci_bus
: NULL
, i8259
);
907 floppy_controller
= fdctrl_init(i8259
[6], 2, 0, 0x3f0, fd_table
);
909 cmos_init(ram_size
, boot_device
, bs_table
);
911 if (pci_enabled
&& usb_enabled
) {
912 usb_uhci_piix3_init(pci_bus
, piix3_devfn
+ 2);
915 if (pci_enabled
&& acpi_enabled
) {
916 uint8_t *eeprom_buf
= qemu_mallocz(8 * 256); /* XXX: make this persistent */
919 /* TODO: Populate SPD eeprom data. */
920 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100);
921 for (i
= 0; i
< 8; i
++) {
922 smbus_eeprom_device_init(smbus
, 0x50 + i
, eeprom_buf
+ (i
* 256));
927 i440fx_init_memory_mappings(i440fx_state
);
930 /* ??? Need to figure out some way for the user to
931 specify SCSI devices. */
934 BlockDriverState
*bdrv
;
936 scsi
= lsi_scsi_init(pci_bus
, -1);
937 bdrv
= bdrv_new("scsidisk");
938 bdrv_open(bdrv
, "scsi_disk.img", 0);
939 lsi_scsi_attach(scsi
, bdrv
, -1);
940 bdrv
= bdrv_new("scsicd");
941 bdrv_open(bdrv
, "scsi_cd.iso", 0);
942 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
943 lsi_scsi_attach(scsi
, bdrv
, -1);
948 static void pc_init_pci(int ram_size
, int vga_ram_size
, const char *boot_device
,
949 DisplayState
*ds
, const char **fd_filename
,
951 const char *kernel_filename
,
952 const char *kernel_cmdline
,
953 const char *initrd_filename
,
954 const char *cpu_model
)
956 pc_init1(ram_size
, vga_ram_size
, boot_device
,
957 ds
, fd_filename
, snapshot
,
958 kernel_filename
, kernel_cmdline
,
962 static void pc_init_isa(int ram_size
, int vga_ram_size
, const char *boot_device
,
963 DisplayState
*ds
, const char **fd_filename
,
965 const char *kernel_filename
,
966 const char *kernel_cmdline
,
967 const char *initrd_filename
,
968 const char *cpu_model
)
970 pc_init1(ram_size
, vga_ram_size
, boot_device
,
971 ds
, fd_filename
, snapshot
,
972 kernel_filename
, kernel_cmdline
,
976 QEMUMachine pc_machine
= {
982 QEMUMachine isapc_machine
= {