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
30 #include "audio/audio.h"
35 /* output Bochs bios info messages */
38 #define BIOS_FILENAME "bios.bin"
39 #define VGABIOS_FILENAME "vgabios.bin"
40 #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
42 #define PC_MAX_BIOS_SIZE (4 * 1024 * 1024)
44 /* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
45 #define ACPI_DATA_SIZE 0x10000
49 static fdctrl_t *floppy_controller;
50 static RTCState *rtc_state;
52 static IOAPICState *ioapic;
53 static PCIDevice *i440fx_state;
55 static void ioport80_write(void *opaque, uint32_t addr, uint32_t data)
59 /* MSDOS compatibility mode FPU exception support */
60 static qemu_irq ferr_irq;
61 /* XXX: add IGNNE support */
62 void cpu_set_ferr(CPUX86State *s)
64 qemu_irq_raise(ferr_irq);
67 static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data)
69 qemu_irq_lower(ferr_irq);
73 uint64_t cpu_get_tsc(CPUX86State *env)
75 /* Note: when using kqemu, it is more logical to return the host TSC
76 because kqemu does not trap the RDTSC instruction for
77 performance reasons */
79 if (env->kqemu_enabled) {
80 return cpu_get_real_ticks();
84 return cpu_get_ticks();
89 void cpu_smm_update(CPUState *env)
91 if (i440fx_state && env == first_cpu)
92 i440fx_set_smm(i440fx_state, (env->hflags >> HF_SMM_SHIFT) & 1);
97 int cpu_get_pic_interrupt(CPUState *env)
101 intno = apic_get_interrupt(env);
103 /* set irq request if a PIC irq is still pending */
104 /* XXX: improve that */
105 pic_update_irq(isa_pic);
108 /* read the irq from the PIC */
109 if (!apic_accept_pic_intr(env))
112 intno = pic_read_irq(isa_pic);
116 static void pic_irq_request(void *opaque, int irq, int level)
118 CPUState *env = first_cpu;
124 if (apic_accept_pic_intr(env))
125 apic_local_deliver(env, APIC_LINT0);
130 /* PC cmos mappings */
132 #define REG_EQUIPMENT_BYTE 0x14
134 static int cmos_get_fd_drive_type(int fd0)
140 /* 1.44 Mb 3"5 drive */
144 /* 2.88 Mb 3"5 drive */
148 /* 1.2 Mb 5"5 drive */
158 static void cmos_init_hd(int type_ofs, int info_ofs, BlockDriverState *hd)
160 RTCState *s = rtc_state;
161 int cylinders, heads, sectors;
162 bdrv_get_geometry_hint(hd, &cylinders, &heads, §ors);
163 rtc_set_memory(s, type_ofs, 47);
164 rtc_set_memory(s, info_ofs, cylinders);
165 rtc_set_memory(s, info_ofs + 1, cylinders >> 8);
166 rtc_set_memory(s, info_ofs + 2, heads);
167 rtc_set_memory(s, info_ofs + 3, 0xff);
168 rtc_set_memory(s, info_ofs + 4, 0xff);
169 rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3));
170 rtc_set_memory(s, info_ofs + 6, cylinders);
171 rtc_set_memory(s, info_ofs + 7, cylinders >> 8);
172 rtc_set_memory(s, info_ofs + 8, sectors);
175 /* convert boot_device letter to something recognizable by the bios */
176 static int boot_device2nibble(char boot_device)
178 switch(boot_device) {
181 return 0x01; /* floppy boot */
183 return 0x02; /* hard drive boot */
185 return 0x03; /* CD-ROM boot */
187 return 0x04; /* Network boot */
192 /* hd_table must contain 4 block drivers */
193 static void cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
194 const char *boot_device, BlockDriverState **hd_table)
196 RTCState *s = rtc_state;
197 int nbds, bds[3] = { 0, };
202 /* various important CMOS locations needed by PC/Bochs bios */
205 val = 640; /* base memory in K */
206 rtc_set_memory(s, 0x15, val);
207 rtc_set_memory(s, 0x16, val >> 8);
209 val = (ram_size / 1024) - 1024;
212 rtc_set_memory(s, 0x17, val);
213 rtc_set_memory(s, 0x18, val >> 8);
214 rtc_set_memory(s, 0x30, val);
215 rtc_set_memory(s, 0x31, val >> 8);
217 if (above_4g_mem_size) {
218 rtc_set_memory(s, 0x5b, (unsigned int)above_4g_mem_size >> 16);
219 rtc_set_memory(s, 0x5c, (unsigned int)above_4g_mem_size >> 24);
220 rtc_set_memory(s, 0x5d, (uint64_t)above_4g_mem_size >> 32);
223 if (ram_size > (16 * 1024 * 1024))
224 val = (ram_size / 65536) - ((16 * 1024 * 1024) / 65536);
229 rtc_set_memory(s, 0x34, val);
230 rtc_set_memory(s, 0x35, val >> 8);
232 /* set the number of CPU */
233 rtc_set_memory(s, 0x5f, smp_cpus - 1);
235 /* set boot devices, and disable floppy signature check if requested */
236 #define PC_MAX_BOOT_DEVICES 3
237 nbds = strlen(boot_device);
238 if (nbds > PC_MAX_BOOT_DEVICES) {
239 fprintf(stderr, "Too many boot devices for PC\n");
242 for (i = 0; i < nbds; i++) {
243 bds[i] = boot_device2nibble(boot_device[i]);
245 fprintf(stderr, "Invalid boot device for PC: '%c'\n",
250 rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]);
251 rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ? 0x0 : 0x1));
255 fd0 = fdctrl_get_drive_type(floppy_controller, 0);
256 fd1 = fdctrl_get_drive_type(floppy_controller, 1);
258 val = (cmos_get_fd_drive_type(fd0) << 4) | cmos_get_fd_drive_type(fd1);
259 rtc_set_memory(s, 0x10, val);
271 val |= 0x01; /* 1 drive, ready for boot */
274 val |= 0x41; /* 2 drives, ready for boot */
277 val |= 0x02; /* FPU is there */
278 val |= 0x04; /* PS/2 mouse installed */
279 rtc_set_memory(s, REG_EQUIPMENT_BYTE, val);
283 rtc_set_memory(s, 0x12, (hd_table[0] ? 0xf0 : 0) | (hd_table[1] ? 0x0f : 0));
285 cmos_init_hd(0x19, 0x1b, hd_table[0]);
287 cmos_init_hd(0x1a, 0x24, hd_table[1]);
290 for (i = 0; i < 4; i++) {
292 int cylinders, heads, sectors, translation;
293 /* NOTE: bdrv_get_geometry_hint() returns the physical
294 geometry. It is always such that: 1 <= sects <= 63, 1
295 <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
296 geometry can be different if a translation is done. */
297 translation = bdrv_get_translation_hint(hd_table[i]);
298 if (translation == BIOS_ATA_TRANSLATION_AUTO) {
299 bdrv_get_geometry_hint(hd_table[i], &cylinders, &heads, §ors);
300 if (cylinders <= 1024 && heads <= 16 && sectors <= 63) {
301 /* No translation. */
304 /* LBA translation. */
310 val |= translation << (i * 2);
313 rtc_set_memory(s, 0x39, val);
316 void ioport_set_a20(int enable)
318 /* XXX: send to all CPUs ? */
319 cpu_x86_set_a20(first_cpu, enable);
322 int ioport_get_a20(void)
324 return ((first_cpu->a20_mask >> 20) & 1);
327 static void ioport92_write(void *opaque, uint32_t addr, uint32_t val)
329 ioport_set_a20((val >> 1) & 1);
330 /* XXX: bit 0 is fast reset */
333 static uint32_t ioport92_read(void *opaque, uint32_t addr)
335 return ioport_get_a20() << 1;
338 /***********************************************************/
339 /* Bochs BIOS debug ports */
341 static void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
343 static const char shutdown_str[8] = "Shutdown";
344 static int shutdown_index = 0;
347 /* Bochs BIOS messages */
350 fprintf(stderr, "BIOS panic at rombios.c, line %d\n", val);
355 fprintf(stderr, "%c", val);
359 /* same as Bochs power off */
360 if (val == shutdown_str[shutdown_index]) {
362 if (shutdown_index == 8) {
364 qemu_system_shutdown_request();
371 /* LGPL'ed VGA BIOS messages */
374 fprintf(stderr, "VGA BIOS panic, line %d\n", val);
379 fprintf(stderr, "%c", val);
385 static void bochs_bios_init(void)
387 register_ioport_write(0x400, 1, 2, bochs_bios_write, NULL);
388 register_ioport_write(0x401, 1, 2, bochs_bios_write, NULL);
389 register_ioport_write(0x402, 1, 1, bochs_bios_write, NULL);
390 register_ioport_write(0x403, 1, 1, bochs_bios_write, NULL);
391 register_ioport_write(0x8900, 1, 1, bochs_bios_write, NULL);
393 register_ioport_write(0x501, 1, 2, bochs_bios_write, NULL);
394 register_ioport_write(0x502, 1, 2, bochs_bios_write, NULL);
395 register_ioport_write(0x500, 1, 1, bochs_bios_write, NULL);
396 register_ioport_write(0x503, 1, 1, bochs_bios_write, NULL);
399 /* Generate an initial boot sector which sets state and jump to
400 a specified vector */
401 static void generate_bootsect(uint32_t gpr[8], uint16_t segs[6], uint16_t ip)
403 uint8_t bootsect[512], *p;
407 hda = drive_get_index(IF_IDE, 0, 0);
409 fprintf(stderr, "A disk image must be given for 'hda' when booting "
414 memset(bootsect, 0, sizeof(bootsect));
416 /* Copy the MSDOS partition table if possible */
417 bdrv_read(drives_table[hda].bdrv, 0, bootsect, 1);
419 /* Make sure we have a partition signature */
420 bootsect[510] = 0x55;
421 bootsect[511] = 0xaa;
425 *p++ = 0xfa; /* CLI */
426 *p++ = 0xfc; /* CLD */
428 for (i = 0; i < 6; i++) {
429 if (i == 1) /* Skip CS */
432 *p++ = 0xb8; /* MOV AX,imm16 */
435 *p++ = 0x8e; /* MOV <seg>,AX */
436 *p++ = 0xc0 + (i << 3);
439 for (i = 0; i < 8; i++) {
440 *p++ = 0x66; /* 32-bit operand size */
441 *p++ = 0xb8 + i; /* MOV <reg>,imm32 */
448 *p++ = 0xea; /* JMP FAR */
451 *p++ = segs[1]; /* CS */
454 bdrv_set_boot_sector(drives_table[hda].bdrv, bootsect, sizeof(bootsect));
457 static long get_file_size(FILE *f)
461 /* XXX: on Unix systems, using fstat() probably makes more sense */
464 fseek(f, 0, SEEK_END);
466 fseek(f, where, SEEK_SET);
471 static void load_linux(const char *kernel_filename,
472 const char *initrd_filename,
473 const char *kernel_cmdline)
479 int setup_size, kernel_size, initrd_size, cmdline_size;
481 uint8_t header[1024];
482 uint8_t *real_addr, *prot_addr, *cmdline_addr, *initrd_addr;
485 /* Align to 16 bytes as a paranoia measure */
486 cmdline_size = (strlen(kernel_cmdline)+16) & ~15;
488 /* load the kernel header */
489 f = fopen(kernel_filename, "rb");
490 if (!f || !(kernel_size = get_file_size(f)) ||
491 fread(header, 1, 1024, f) != 1024) {
492 fprintf(stderr, "qemu: could not load kernel '%s'\n",
497 /* kernel protocol version */
499 fprintf(stderr, "header magic: %#x\n", ldl_p(header+0x202));
501 if (ldl_p(header+0x202) == 0x53726448)
502 protocol = lduw_p(header+0x206);
506 if (protocol < 0x200 || !(header[0x211] & 0x01)) {
508 real_addr = phys_ram_base + 0x90000;
509 cmdline_addr = phys_ram_base + 0x9a000 - cmdline_size;
510 prot_addr = phys_ram_base + 0x10000;
511 } else if (protocol < 0x202) {
512 /* High but ancient kernel */
513 real_addr = phys_ram_base + 0x90000;
514 cmdline_addr = phys_ram_base + 0x9a000 - cmdline_size;
515 prot_addr = phys_ram_base + 0x100000;
517 /* High and recent kernel */
518 real_addr = phys_ram_base + 0x10000;
519 cmdline_addr = phys_ram_base + 0x20000;
520 prot_addr = phys_ram_base + 0x100000;
525 "qemu: real_addr = %#zx\n"
526 "qemu: cmdline_addr = %#zx\n"
527 "qemu: prot_addr = %#zx\n",
528 real_addr-phys_ram_base,
529 cmdline_addr-phys_ram_base,
530 prot_addr-phys_ram_base);
533 /* highest address for loading the initrd */
534 if (protocol >= 0x203)
535 initrd_max = ldl_p(header+0x22c);
537 initrd_max = 0x37ffffff;
539 if (initrd_max >= ram_size-ACPI_DATA_SIZE)
540 initrd_max = ram_size-ACPI_DATA_SIZE-1;
542 /* kernel command line */
543 pstrcpy((char*)cmdline_addr, 4096, kernel_cmdline);
545 if (protocol >= 0x202) {
546 stl_p(header+0x228, cmdline_addr-phys_ram_base);
548 stw_p(header+0x20, 0xA33F);
549 stw_p(header+0x22, cmdline_addr-real_addr);
553 /* High nybble = B reserved for Qemu; low nybble is revision number.
554 If this code is substantially changed, you may want to consider
555 incrementing the revision. */
556 if (protocol >= 0x200)
557 header[0x210] = 0xB0;
560 if (protocol >= 0x201) {
561 header[0x211] |= 0x80; /* CAN_USE_HEAP */
562 stw_p(header+0x224, cmdline_addr-real_addr-0x200);
566 if (initrd_filename) {
567 if (protocol < 0x200) {
568 fprintf(stderr, "qemu: linux kernel too old to load a ram disk\n");
572 fi = fopen(initrd_filename, "rb");
574 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
579 initrd_size = get_file_size(fi);
580 initrd_addr = phys_ram_base + ((initrd_max-initrd_size) & ~4095);
582 fprintf(stderr, "qemu: loading initrd (%#x bytes) at %#zx\n",
583 initrd_size, initrd_addr-phys_ram_base);
585 if (fread(initrd_addr, 1, initrd_size, fi) != initrd_size) {
586 fprintf(stderr, "qemu: read error on initial ram disk '%s'\n",
592 stl_p(header+0x218, initrd_addr-phys_ram_base);
593 stl_p(header+0x21c, initrd_size);
596 /* store the finalized header and load the rest of the kernel */
597 memcpy(real_addr, header, 1024);
599 setup_size = header[0x1f1];
603 setup_size = (setup_size+1)*512;
604 kernel_size -= setup_size; /* Size of protected-mode code */
606 if (fread(real_addr+1024, 1, setup_size-1024, f) != setup_size-1024 ||
607 fread(prot_addr, 1, kernel_size, f) != kernel_size) {
608 fprintf(stderr, "qemu: read error on kernel '%s'\n",
614 /* generate bootsector to set up the initial register state */
615 real_seg = (real_addr-phys_ram_base) >> 4;
616 seg[0] = seg[2] = seg[3] = seg[4] = seg[4] = real_seg;
617 seg[1] = real_seg+0x20; /* CS */
618 memset(gpr, 0, sizeof gpr);
619 gpr[4] = cmdline_addr-real_addr-16; /* SP (-16 is paranoia) */
621 generate_bootsect(gpr, seg, 0);
624 static void main_cpu_reset(void *opaque)
626 CPUState *env = opaque;
630 static const int ide_iobase[2] = { 0x1f0, 0x170 };
631 static const int ide_iobase2[2] = { 0x3f6, 0x376 };
632 static const int ide_irq[2] = { 14, 15 };
634 #define NE2000_NB_MAX 6
636 static int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 };
637 static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
639 static int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
640 static int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
642 static int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
643 static int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
646 static void audio_init (PCIBus *pci_bus, qemu_irq *pic)
649 int audio_enabled = 0;
651 for (c = soundhw; !audio_enabled && c->name; ++c) {
652 audio_enabled = c->enabled;
660 for (c = soundhw; c->name; ++c) {
663 c->init.init_isa (s, pic);
667 c->init.init_pci (pci_bus, s);
677 static void pc_init_ne2k_isa(NICInfo *nd, qemu_irq *pic)
679 static int nb_ne2k = 0;
681 if (nb_ne2k == NE2000_NB_MAX)
683 isa_ne2000_init(ne2000_io[nb_ne2k], pic[ne2000_irq[nb_ne2k]], nd);
687 /* PC hardware initialisation */
688 static void pc_init1(ram_addr_t ram_size, int vga_ram_size,
689 const char *boot_device, DisplayState *ds,
690 const char *kernel_filename, const char *kernel_cmdline,
691 const char *initrd_filename,
692 int pci_enabled, const char *cpu_model)
695 int ret, linux_boot, i;
696 ram_addr_t ram_addr, vga_ram_addr, bios_offset, vga_bios_offset;
697 ram_addr_t below_4g_mem_size, above_4g_mem_size = 0;
698 int bios_size, isa_bios_size, vga_bios_size;
700 int piix3_devfn = -1;
706 BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
707 BlockDriverState *fd[MAX_FD];
709 if (ram_size >= 0xe0000000 ) {
710 above_4g_mem_size = ram_size - 0xe0000000;
711 below_4g_mem_size = 0xe0000000;
713 below_4g_mem_size = ram_size;
716 linux_boot = (kernel_filename != NULL);
719 if (cpu_model == NULL) {
721 cpu_model = "qemu64";
723 cpu_model = "qemu32";
727 for(i = 0; i < smp_cpus; i++) {
728 env = cpu_init(cpu_model);
730 fprintf(stderr, "Unable to find x86 CPU definition\n");
734 env->hflags |= HF_HALTED_MASK;
736 /* XXX: enable it in all cases */
737 env->cpuid_features |= CPUID_APIC;
739 register_savevm("cpu", i, 4, cpu_save, cpu_load, env);
740 qemu_register_reset(main_cpu_reset, env);
749 ram_addr = qemu_ram_alloc(ram_size);
750 cpu_register_physical_memory(0, below_4g_mem_size, ram_addr);
752 /* above 4giga memory allocation */
753 if (above_4g_mem_size > 0) {
754 cpu_register_physical_memory(0x100000000ULL, above_4g_mem_size,
755 ram_addr + below_4g_mem_size);
758 /* allocate VGA RAM */
759 vga_ram_addr = qemu_ram_alloc(vga_ram_size);
762 if (bios_name == NULL)
763 bios_name = BIOS_FILENAME;
764 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
765 bios_size = get_image_size(buf);
766 if (bios_size <= 0 ||
767 (bios_size % 65536) != 0) {
770 bios_offset = qemu_ram_alloc(bios_size);
771 ret = load_image(buf, phys_ram_base + bios_offset);
772 if (ret != bios_size) {
774 fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", buf);
779 if (cirrus_vga_enabled) {
780 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME);
782 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
784 vga_bios_size = get_image_size(buf);
785 if (vga_bios_size <= 0 || vga_bios_size > 65536)
787 vga_bios_offset = qemu_ram_alloc(65536);
789 ret = load_image(buf, phys_ram_base + vga_bios_offset);
790 if (ret != vga_bios_size) {
792 fprintf(stderr, "qemu: could not load VGA BIOS '%s'\n", buf);
796 /* setup basic memory access */
797 cpu_register_physical_memory(0xc0000, 0x10000,
798 vga_bios_offset | IO_MEM_ROM);
800 /* map the last 128KB of the BIOS in ISA space */
801 isa_bios_size = bios_size;
802 if (isa_bios_size > (128 * 1024))
803 isa_bios_size = 128 * 1024;
804 cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size,
806 cpu_register_physical_memory(0x100000 - isa_bios_size,
808 (bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM);
811 ram_addr_t option_rom_offset;
815 for (i = 0; i < nb_option_roms; i++) {
816 size = get_image_size(option_rom[i]);
818 fprintf(stderr, "Could not load option rom '%s'\n",
822 if (size > (0x10000 - offset))
823 goto option_rom_error;
824 option_rom_offset = qemu_ram_alloc(size);
825 ret = load_image(option_rom[i], phys_ram_base + option_rom_offset);
828 fprintf(stderr, "Too many option ROMS\n");
831 size = (size + 4095) & ~4095;
832 cpu_register_physical_memory(0xd0000 + offset,
833 size, option_rom_offset | IO_MEM_ROM);
838 /* map all the bios at the top of memory */
839 cpu_register_physical_memory((uint32_t)(-bios_size),
840 bios_size, bios_offset | IO_MEM_ROM);
845 load_linux(kernel_filename, initrd_filename, kernel_cmdline);
847 cpu_irq = qemu_allocate_irqs(pic_irq_request, NULL, 1);
848 i8259 = i8259_init(cpu_irq[0]);
849 ferr_irq = i8259[13];
852 pci_bus = i440fx_init(&i440fx_state, i8259);
853 piix3_devfn = piix3_init(pci_bus, -1);
858 /* init basic PC hardware */
859 register_ioport_write(0x80, 1, 1, ioport80_write, NULL);
861 register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL);
863 if (cirrus_vga_enabled) {
865 pci_cirrus_vga_init(pci_bus,
866 ds, phys_ram_base + vga_ram_addr,
867 vga_ram_addr, vga_ram_size);
869 isa_cirrus_vga_init(ds, phys_ram_base + vga_ram_addr,
870 vga_ram_addr, vga_ram_size);
872 } else if (vmsvga_enabled) {
874 pci_vmsvga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
875 vga_ram_addr, vga_ram_size);
877 fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__);
880 pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
881 vga_ram_addr, vga_ram_size, 0, 0);
883 isa_vga_init(ds, phys_ram_base + vga_ram_addr,
884 vga_ram_addr, vga_ram_size);
888 rtc_state = rtc_init(0x70, i8259[8]);
890 register_ioport_read(0x92, 1, 1, ioport92_read, NULL);
891 register_ioport_write(0x92, 1, 1, ioport92_write, NULL);
894 ioapic = ioapic_init();
896 pit = pit_init(0x40, i8259[0]);
899 pic_set_alt_irq_func(isa_pic, ioapic_set_irq, ioapic);
902 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
904 serial_init(serial_io[i], i8259[serial_irq[i]], serial_hds[i]);
908 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
909 if (parallel_hds[i]) {
910 parallel_init(parallel_io[i], i8259[parallel_irq[i]],
915 for(i = 0; i < nb_nics; i++) {
919 nd->model = "ne2k_pci";
921 nd->model = "ne2k_isa";
924 if (strcmp(nd->model, "ne2k_isa") == 0) {
925 pc_init_ne2k_isa(nd, i8259);
926 } else if (pci_enabled) {
927 if (strcmp(nd->model, "?") == 0)
928 fprintf(stderr, "qemu: Supported ISA NICs: ne2k_isa\n");
929 pci_nic_init(pci_bus, nd, -1);
930 } else if (strcmp(nd->model, "?") == 0) {
931 fprintf(stderr, "qemu: Supported ISA NICs: ne2k_isa\n");
934 fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
939 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
940 fprintf(stderr, "qemu: too many IDE bus\n");
944 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
945 index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
947 hd[i] = drives_table[index].bdrv;
953 pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1, i8259);
955 for(i = 0; i < MAX_IDE_BUS; i++) {
956 isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
957 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
961 i8042_init(i8259[1], i8259[12], 0x60);
964 audio_init(pci_enabled ? pci_bus : NULL, i8259);
967 for(i = 0; i < MAX_FD; i++) {
968 index = drive_get_index(IF_FLOPPY, 0, i);
970 fd[i] = drives_table[index].bdrv;
974 floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd);
976 cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device, hd);
978 if (pci_enabled && usb_enabled) {
979 usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
982 if (pci_enabled && acpi_enabled) {
983 uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
986 /* TODO: Populate SPD eeprom data. */
987 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, i8259[9]);
988 for (i = 0; i < 8; i++) {
989 smbus_eeprom_device_init(smbus, 0x50 + i, eeprom_buf + (i * 256));
994 i440fx_init_memory_mappings(i440fx_state);
1002 max_bus = drive_get_max_bus(IF_SCSI);
1004 for (bus = 0; bus <= max_bus; bus++) {
1005 scsi = lsi_scsi_init(pci_bus, -1);
1006 for (unit = 0; unit < LSI_MAX_DEVS; unit++) {
1007 index = drive_get_index(IF_SCSI, bus, unit);
1010 lsi_scsi_attach(scsi, drives_table[index].bdrv, unit);
1016 static void pc_init_pci(ram_addr_t ram_size, int vga_ram_size,
1017 const char *boot_device, DisplayState *ds,
1018 const char *kernel_filename,
1019 const char *kernel_cmdline,
1020 const char *initrd_filename,
1021 const char *cpu_model)
1023 pc_init1(ram_size, vga_ram_size, boot_device, ds,
1024 kernel_filename, kernel_cmdline,
1025 initrd_filename, 1, cpu_model);
1028 static void pc_init_isa(ram_addr_t ram_size, int vga_ram_size,
1029 const char *boot_device, DisplayState *ds,
1030 const char *kernel_filename,
1031 const char *kernel_cmdline,
1032 const char *initrd_filename,
1033 const char *cpu_model)
1035 pc_init1(ram_size, vga_ram_size, boot_device, ds,
1036 kernel_filename, kernel_cmdline,
1037 initrd_filename, 0, cpu_model);
1040 QEMUMachine pc_machine = {
1044 VGA_RAM_SIZE + PC_MAX_BIOS_SIZE,
1047 QEMUMachine isapc_machine = {
1051 VGA_RAM_SIZE + PC_MAX_BIOS_SIZE,