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 /* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
35 #define ACPI_DATA_SIZE 0x10000
37 static fdctrl_t *floppy_controller;
38 static RTCState *rtc_state;
40 static IOAPICState *ioapic;
41 static PCIDevice *i440fx_state;
43 static void ioport80_write(void *opaque, uint32_t addr, uint32_t data)
47 /* MSDOS compatibility mode FPU exception support */
48 static qemu_irq ferr_irq;
49 /* XXX: add IGNNE support */
50 void cpu_set_ferr(CPUX86State *s)
52 qemu_irq_raise(ferr_irq);
55 static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data)
57 qemu_irq_lower(ferr_irq);
61 uint64_t cpu_get_tsc(CPUX86State *env)
63 /* Note: when using kqemu, it is more logical to return the host TSC
64 because kqemu does not trap the RDTSC instruction for
65 performance reasons */
67 if (env->kqemu_enabled) {
68 return cpu_get_real_ticks();
72 return cpu_get_ticks();
77 void cpu_smm_update(CPUState *env)
79 if (i440fx_state && env == first_cpu)
80 i440fx_set_smm(i440fx_state, (env->hflags >> HF_SMM_SHIFT) & 1);
85 int cpu_get_pic_interrupt(CPUState *env)
89 intno = apic_get_interrupt(env);
91 /* set irq request if a PIC irq is still pending */
92 /* XXX: improve that */
93 pic_update_irq(isa_pic);
96 /* read the irq from the PIC */
97 intno = pic_read_irq(isa_pic);
101 static void pic_irq_request(void *opaque, int irq, int level)
103 CPUState *env = opaque;
105 cpu_interrupt(env, CPU_INTERRUPT_HARD);
107 cpu_reset_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 /* hd_table must contain 4 block drivers */
156 static void cmos_init(int ram_size, int boot_device, BlockDriverState **hd_table)
158 RTCState *s = rtc_state;
163 /* various important CMOS locations needed by PC/Bochs bios */
166 val = 640; /* base memory in K */
167 rtc_set_memory(s, 0x15, val);
168 rtc_set_memory(s, 0x16, val >> 8);
170 val = (ram_size / 1024) - 1024;
173 rtc_set_memory(s, 0x17, val);
174 rtc_set_memory(s, 0x18, val >> 8);
175 rtc_set_memory(s, 0x30, val);
176 rtc_set_memory(s, 0x31, val >> 8);
178 if (ram_size > (16 * 1024 * 1024))
179 val = (ram_size / 65536) - ((16 * 1024 * 1024) / 65536);
184 rtc_set_memory(s, 0x34, val);
185 rtc_set_memory(s, 0x35, val >> 8);
187 switch(boot_device) {
190 rtc_set_memory(s, 0x3d, 0x01); /* floppy boot */
192 rtc_set_memory(s, 0x38, 0x01); /* disable signature check */
196 rtc_set_memory(s, 0x3d, 0x02); /* hard drive boot */
199 rtc_set_memory(s, 0x3d, 0x03); /* CD-ROM boot */
205 fd0 = fdctrl_get_drive_type(floppy_controller, 0);
206 fd1 = fdctrl_get_drive_type(floppy_controller, 1);
208 val = (cmos_get_fd_drive_type(fd0) << 4) | cmos_get_fd_drive_type(fd1);
209 rtc_set_memory(s, 0x10, val);
221 val |= 0x01; /* 1 drive, ready for boot */
224 val |= 0x41; /* 2 drives, ready for boot */
227 val |= 0x02; /* FPU is there */
228 val |= 0x04; /* PS/2 mouse installed */
229 rtc_set_memory(s, REG_EQUIPMENT_BYTE, val);
233 rtc_set_memory(s, 0x12, (hd_table[0] ? 0xf0 : 0) | (hd_table[1] ? 0x0f : 0));
235 cmos_init_hd(0x19, 0x1b, hd_table[0]);
237 cmos_init_hd(0x1a, 0x24, hd_table[1]);
240 for (i = 0; i < 4; i++) {
242 int cylinders, heads, sectors, translation;
243 /* NOTE: bdrv_get_geometry_hint() returns the physical
244 geometry. It is always such that: 1 <= sects <= 63, 1
245 <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
246 geometry can be different if a translation is done. */
247 translation = bdrv_get_translation_hint(hd_table[i]);
248 if (translation == BIOS_ATA_TRANSLATION_AUTO) {
249 bdrv_get_geometry_hint(hd_table[i], &cylinders, &heads, §ors);
250 if (cylinders <= 1024 && heads <= 16 && sectors <= 63) {
251 /* No translation. */
254 /* LBA translation. */
260 val |= translation << (i * 2);
263 rtc_set_memory(s, 0x39, val);
266 void ioport_set_a20(int enable)
268 /* XXX: send to all CPUs ? */
269 cpu_x86_set_a20(first_cpu, enable);
272 int ioport_get_a20(void)
274 return ((first_cpu->a20_mask >> 20) & 1);
277 static void ioport92_write(void *opaque, uint32_t addr, uint32_t val)
279 ioport_set_a20((val >> 1) & 1);
280 /* XXX: bit 0 is fast reset */
283 static uint32_t ioport92_read(void *opaque, uint32_t addr)
285 return ioport_get_a20() << 1;
288 /***********************************************************/
289 /* Bochs BIOS debug ports */
291 void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
293 static const char shutdown_str[8] = "Shutdown";
294 static int shutdown_index = 0;
297 /* Bochs BIOS messages */
300 fprintf(stderr, "BIOS panic at rombios.c, line %d\n", val);
305 fprintf(stderr, "%c", val);
309 /* same as Bochs power off */
310 if (val == shutdown_str[shutdown_index]) {
312 if (shutdown_index == 8) {
314 qemu_system_shutdown_request();
321 /* LGPL'ed VGA BIOS messages */
324 fprintf(stderr, "VGA BIOS panic, line %d\n", val);
329 fprintf(stderr, "%c", val);
335 void bochs_bios_init(void)
337 register_ioport_write(0x400, 1, 2, bochs_bios_write, NULL);
338 register_ioport_write(0x401, 1, 2, bochs_bios_write, NULL);
339 register_ioport_write(0x402, 1, 1, bochs_bios_write, NULL);
340 register_ioport_write(0x403, 1, 1, bochs_bios_write, NULL);
341 register_ioport_write(0x8900, 1, 1, bochs_bios_write, NULL);
343 register_ioport_write(0x501, 1, 2, bochs_bios_write, NULL);
344 register_ioport_write(0x502, 1, 2, bochs_bios_write, NULL);
345 register_ioport_write(0x500, 1, 1, bochs_bios_write, NULL);
346 register_ioport_write(0x503, 1, 1, bochs_bios_write, NULL);
349 /* Generate an initial boot sector which sets state and jump to
350 a specified vector */
351 static int generate_bootsect(uint32_t gpr[8], uint16_t segs[6], uint16_t ip)
353 uint8_t bootsect[512], *p;
356 if (bs_table[0] == NULL) {
357 fprintf(stderr, "A disk image must be given for 'hda' when booting "
362 memset(bootsect, 0, sizeof(bootsect));
364 /* Copy the MSDOS partition table if possible */
365 bdrv_read(bs_table[0], 0, bootsect, 1);
367 /* Make sure we have a partition signature */
368 bootsect[510] = 0x55;
369 bootsect[511] = 0xaa;
373 *p++ = 0xfa; /* CLI */
374 *p++ = 0xfc; /* CLD */
376 for (i = 0; i < 6; i++) {
377 if (i == 1) /* Skip CS */
380 *p++ = 0xb8; /* MOV AX,imm16 */
383 *p++ = 0x8e; /* MOV <seg>,AX */
384 *p++ = 0xc0 + (i << 3);
387 for (i = 0; i < 8; i++) {
388 *p++ = 0x66; /* 32-bit operand size */
389 *p++ = 0xb8 + i; /* MOV <reg>,imm32 */
396 *p++ = 0xea; /* JMP FAR */
399 *p++ = segs[1]; /* CS */
402 bdrv_set_boot_sector(bs_table[0], bootsect, sizeof(bootsect));
405 int load_kernel(const char *filename, uint8_t *addr,
411 fd = open(filename, O_RDONLY | O_BINARY);
415 /* load 16 bit code */
416 if (read(fd, real_addr, 512) != 512)
418 setup_sects = real_addr[0x1F1];
421 if (read(fd, real_addr + 512, setup_sects * 512) !=
425 /* load 32 bit code */
426 size = read(fd, addr, 16 * 1024 * 1024);
436 static long get_file_size(FILE *f)
440 /* XXX: on Unix systems, using fstat() probably makes more sense */
443 fseek(f, 0, SEEK_END);
445 fseek(f, where, SEEK_SET);
450 static void load_linux(const char *kernel_filename,
451 const char *initrd_filename,
452 const char *kernel_cmdline)
458 int setup_size, kernel_size, initrd_size, cmdline_size;
460 uint8_t header[1024];
461 uint8_t *real_addr, *prot_addr, *cmdline_addr, *initrd_addr;
464 /* Align to 16 bytes as a paranoia measure */
465 cmdline_size = (strlen(kernel_cmdline)+16) & ~15;
467 /* load the kernel header */
468 f = fopen(kernel_filename, "rb");
469 if (!f || !(kernel_size = get_file_size(f)) ||
470 fread(header, 1, 1024, f) != 1024) {
471 fprintf(stderr, "qemu: could not load kernel '%s'\n",
476 /* kernel protocol version */
477 fprintf(stderr, "header magic: %#x\n", ldl_p(header+0x202));
478 if (ldl_p(header+0x202) == 0x53726448)
479 protocol = lduw_p(header+0x206);
483 if (protocol < 0x200 || !(header[0x211] & 0x01)) {
485 real_addr = phys_ram_base + 0x90000;
486 cmdline_addr = phys_ram_base + 0x9a000 - cmdline_size;
487 prot_addr = phys_ram_base + 0x10000;
488 } else if (protocol < 0x202) {
489 /* High but ancient kernel */
490 real_addr = phys_ram_base + 0x90000;
491 cmdline_addr = phys_ram_base + 0x9a000 - cmdline_size;
492 prot_addr = phys_ram_base + 0x100000;
494 /* High and recent kernel */
495 real_addr = phys_ram_base + 0x10000;
496 cmdline_addr = phys_ram_base + 0x20000;
497 prot_addr = phys_ram_base + 0x100000;
501 "qemu: real_addr = %#zx\n"
502 "qemu: cmdline_addr = %#zx\n"
503 "qemu: prot_addr = %#zx\n",
504 real_addr-phys_ram_base,
505 cmdline_addr-phys_ram_base,
506 prot_addr-phys_ram_base);
508 /* highest address for loading the initrd */
509 if (protocol >= 0x203)
510 initrd_max = ldl_p(header+0x22c);
512 initrd_max = 0x37ffffff;
514 if (initrd_max >= ram_size-ACPI_DATA_SIZE)
515 initrd_max = ram_size-ACPI_DATA_SIZE-1;
517 /* kernel command line */
518 pstrcpy(cmdline_addr, 4096, kernel_cmdline);
520 if (protocol >= 0x202) {
521 stl_p(header+0x228, cmdline_addr-phys_ram_base);
523 stw_p(header+0x20, 0xA33F);
524 stw_p(header+0x22, cmdline_addr-real_addr);
528 /* High nybble = B reserved for Qemu; low nybble is revision number.
529 If this code is substantially changed, you may want to consider
530 incrementing the revision. */
531 if (protocol >= 0x200)
532 header[0x210] = 0xB0;
535 if (protocol >= 0x201) {
536 header[0x211] |= 0x80; /* CAN_USE_HEAP */
537 stw_p(header+0x224, cmdline_addr-real_addr-0x200);
541 if (initrd_filename) {
542 if (protocol < 0x200) {
543 fprintf(stderr, "qemu: linux kernel too old to load a ram disk\n");
547 fi = fopen(initrd_filename, "rb");
549 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
554 initrd_size = get_file_size(fi);
555 initrd_addr = phys_ram_base + ((initrd_max-initrd_size) & ~4095);
557 fprintf(stderr, "qemu: loading initrd (%#x bytes) at %#zx\n",
558 initrd_size, initrd_addr-phys_ram_base);
560 if (fread(initrd_addr, 1, initrd_size, fi) != initrd_size) {
561 fprintf(stderr, "qemu: read error on initial ram disk '%s'\n",
567 stl_p(header+0x218, initrd_addr-phys_ram_base);
568 stl_p(header+0x21c, initrd_size);
571 /* store the finalized header and load the rest of the kernel */
572 memcpy(real_addr, header, 1024);
574 setup_size = header[0x1f1];
578 setup_size = (setup_size+1)*512;
579 kernel_size -= setup_size; /* Size of protected-mode code */
581 if (fread(real_addr+1024, 1, setup_size-1024, f) != setup_size-1024 ||
582 fread(prot_addr, 1, kernel_size, f) != kernel_size) {
583 fprintf(stderr, "qemu: read error on kernel '%s'\n",
589 /* generate bootsector to set up the initial register state */
590 real_seg = (real_addr-phys_ram_base) >> 4;
591 seg[0] = seg[2] = seg[3] = seg[4] = seg[4] = real_seg;
592 seg[1] = real_seg+0x20; /* CS */
593 memset(gpr, 0, sizeof gpr);
594 gpr[4] = cmdline_addr-real_addr-16; /* SP (-16 is paranoia) */
596 generate_bootsect(gpr, seg, 0);
599 static void main_cpu_reset(void *opaque)
601 CPUState *env = opaque;
605 static const int ide_iobase[2] = { 0x1f0, 0x170 };
606 static const int ide_iobase2[2] = { 0x3f6, 0x376 };
607 static const int ide_irq[2] = { 14, 15 };
609 #define NE2000_NB_MAX 6
611 static int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 };
612 static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
614 static int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
615 static int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
617 static int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
618 static int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
621 static void audio_init (PCIBus *pci_bus, qemu_irq *pic)
624 int audio_enabled = 0;
626 for (c = soundhw; !audio_enabled && c->name; ++c) {
627 audio_enabled = c->enabled;
635 for (c = soundhw; c->name; ++c) {
638 c->init.init_isa (s, pic);
642 c->init.init_pci (pci_bus, s);
652 static void pc_init_ne2k_isa(NICInfo *nd, qemu_irq *pic)
654 static int nb_ne2k = 0;
656 if (nb_ne2k == NE2000_NB_MAX)
658 isa_ne2000_init(ne2000_io[nb_ne2k], pic[ne2000_irq[nb_ne2k]], nd);
662 /* PC hardware initialisation */
663 static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
664 DisplayState *ds, const char **fd_filename, int snapshot,
665 const char *kernel_filename, const char *kernel_cmdline,
666 const char *initrd_filename,
670 int ret, linux_boot, i;
671 ram_addr_t ram_addr, vga_ram_addr, bios_offset, vga_bios_offset;
672 int bios_size, isa_bios_size, vga_bios_size;
674 int piix3_devfn = -1;
680 linux_boot = (kernel_filename != NULL);
683 for(i = 0; i < smp_cpus; i++) {
686 env->hflags |= HF_HALTED_MASK;
688 /* XXX: enable it in all cases */
689 env->cpuid_features |= CPUID_APIC;
691 register_savevm("cpu", i, 4, cpu_save, cpu_load, env);
692 qemu_register_reset(main_cpu_reset, env);
699 ram_addr = qemu_ram_alloc(ram_size);
700 cpu_register_physical_memory(0, ram_size, ram_addr);
702 /* allocate VGA RAM */
703 vga_ram_addr = qemu_ram_alloc(vga_ram_size);
706 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
707 bios_size = get_image_size(buf);
708 if (bios_size <= 0 ||
709 (bios_size % 65536) != 0) {
712 bios_offset = qemu_ram_alloc(bios_size);
713 ret = load_image(buf, phys_ram_base + bios_offset);
714 if (ret != bios_size) {
716 fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", buf);
721 if (cirrus_vga_enabled) {
722 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME);
724 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
726 vga_bios_size = get_image_size(buf);
727 if (vga_bios_size <= 0 || vga_bios_size > 65536)
729 vga_bios_offset = qemu_ram_alloc(65536);
731 ret = load_image(buf, phys_ram_base + vga_bios_offset);
732 if (ret != vga_bios_size) {
734 fprintf(stderr, "qemu: could not load VGA BIOS '%s'\n", buf);
738 /* setup basic memory access */
739 cpu_register_physical_memory(0xc0000, 0x10000,
740 vga_bios_offset | IO_MEM_ROM);
742 /* map the last 128KB of the BIOS in ISA space */
743 isa_bios_size = bios_size;
744 if (isa_bios_size > (128 * 1024))
745 isa_bios_size = 128 * 1024;
746 cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size,
748 cpu_register_physical_memory(0x100000 - isa_bios_size,
750 (bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM);
753 ram_addr_t option_rom_offset;
757 for (i = 0; i < nb_option_roms; i++) {
758 size = get_image_size(option_rom[i]);
760 fprintf(stderr, "Could not load option rom '%s'\n",
764 if (size > (0x10000 - offset))
765 goto option_rom_error;
766 option_rom_offset = qemu_ram_alloc(size);
767 ret = load_image(option_rom[i], phys_ram_base + option_rom_offset);
770 fprintf(stderr, "Too many option ROMS\n");
773 size = (size + 4095) & ~4095;
774 cpu_register_physical_memory(0xd0000 + offset,
775 size, option_rom_offset | IO_MEM_ROM);
780 /* map all the bios at the top of memory */
781 cpu_register_physical_memory((uint32_t)(-bios_size),
782 bios_size, bios_offset | IO_MEM_ROM);
787 load_linux(kernel_filename, initrd_filename, kernel_cmdline);
789 cpu_irq = qemu_allocate_irqs(pic_irq_request, first_cpu, 1);
790 i8259 = i8259_init(cpu_irq[0]);
791 ferr_irq = i8259[13];
794 pci_bus = i440fx_init(&i440fx_state, i8259);
795 piix3_devfn = piix3_init(pci_bus, -1);
800 /* init basic PC hardware */
801 register_ioport_write(0x80, 1, 1, ioport80_write, NULL);
803 register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL);
805 if (cirrus_vga_enabled) {
807 pci_cirrus_vga_init(pci_bus,
808 ds, phys_ram_base + vga_ram_addr,
809 vga_ram_addr, vga_ram_size);
811 isa_cirrus_vga_init(ds, phys_ram_base + vga_ram_addr,
812 vga_ram_addr, vga_ram_size);
814 } else if (vmsvga_enabled) {
816 pci_vmsvga_init(pci_bus, ds, phys_ram_base + ram_size,
817 ram_size, vga_ram_size);
819 fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__);
822 pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
823 vga_ram_addr, vga_ram_size, 0, 0);
825 isa_vga_init(ds, phys_ram_base + vga_ram_addr,
826 vga_ram_addr, vga_ram_size);
830 rtc_state = rtc_init(0x70, i8259[8]);
832 register_ioport_read(0x92, 1, 1, ioport92_read, NULL);
833 register_ioport_write(0x92, 1, 1, ioport92_write, NULL);
836 ioapic = ioapic_init();
838 pit = pit_init(0x40, i8259[0]);
841 pic_set_alt_irq_func(isa_pic, ioapic_set_irq, ioapic);
844 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
846 serial_init(serial_io[i], i8259[serial_irq[i]], serial_hds[i]);
850 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
851 if (parallel_hds[i]) {
852 parallel_init(parallel_io[i], i8259[parallel_irq[i]],
857 for(i = 0; i < nb_nics; i++) {
861 nd->model = "ne2k_pci";
863 nd->model = "ne2k_isa";
866 if (strcmp(nd->model, "ne2k_isa") == 0) {
867 pc_init_ne2k_isa(nd, i8259);
868 } else if (pci_enabled) {
869 pci_nic_init(pci_bus, nd, -1);
871 fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
877 pci_piix3_ide_init(pci_bus, bs_table, piix3_devfn + 1, i8259);
879 for(i = 0; i < 2; i++) {
880 isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
881 bs_table[2 * i], bs_table[2 * i + 1]);
885 i8042_init(i8259[1], i8259[12], 0x60);
888 audio_init(pci_enabled ? pci_bus : NULL, i8259);
891 floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd_table);
893 cmos_init(ram_size, boot_device, bs_table);
895 if (pci_enabled && usb_enabled) {
896 usb_uhci_init(pci_bus, piix3_devfn + 2);
899 if (pci_enabled && acpi_enabled) {
900 uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
901 piix4_pm_init(pci_bus, piix3_devfn + 3);
902 for (i = 0; i < 8; i++) {
903 SMBusDevice *eeprom = smbus_eeprom_device_init(0x50 + i,
904 eeprom_buf + (i * 256));
905 piix4_smbus_register_device(eeprom, 0x50 + i);
910 i440fx_init_memory_mappings(i440fx_state);
913 /* ??? Need to figure out some way for the user to
914 specify SCSI devices. */
917 BlockDriverState *bdrv;
919 scsi = lsi_scsi_init(pci_bus, -1);
920 bdrv = bdrv_new("scsidisk");
921 bdrv_open(bdrv, "scsi_disk.img", 0);
922 lsi_scsi_attach(scsi, bdrv, -1);
923 bdrv = bdrv_new("scsicd");
924 bdrv_open(bdrv, "scsi_cd.iso", 0);
925 bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
926 lsi_scsi_attach(scsi, bdrv, -1);
931 static void pc_init_pci(int ram_size, int vga_ram_size, int boot_device,
932 DisplayState *ds, const char **fd_filename,
934 const char *kernel_filename,
935 const char *kernel_cmdline,
936 const char *initrd_filename,
937 const char *cpu_model)
939 pc_init1(ram_size, vga_ram_size, boot_device,
940 ds, fd_filename, snapshot,
941 kernel_filename, kernel_cmdline,
945 static void pc_init_isa(int ram_size, int vga_ram_size, int boot_device,
946 DisplayState *ds, const char **fd_filename,
948 const char *kernel_filename,
949 const char *kernel_cmdline,
950 const char *initrd_filename,
951 const char *cpu_model)
953 pc_init1(ram_size, vga_ram_size, boot_device,
954 ds, fd_filename, snapshot,
955 kernel_filename, kernel_cmdline,
959 QEMUMachine pc_machine = {
965 QEMUMachine isapc_machine = {