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 /* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
43 #define ACPI_DATA_SIZE 0x10000
47 static fdctrl_t *floppy_controller;
48 static RTCState *rtc_state;
50 static IOAPICState *ioapic;
51 static PCIDevice *i440fx_state;
53 static void ioport80_write(void *opaque, uint32_t addr, uint32_t data)
57 /* MSDOS compatibility mode FPU exception support */
58 static qemu_irq ferr_irq;
59 /* XXX: add IGNNE support */
60 void cpu_set_ferr(CPUX86State *s)
62 qemu_irq_raise(ferr_irq);
65 static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data)
67 qemu_irq_lower(ferr_irq);
71 uint64_t cpu_get_tsc(CPUX86State *env)
73 /* Note: when using kqemu, it is more logical to return the host TSC
74 because kqemu does not trap the RDTSC instruction for
75 performance reasons */
77 if (env->kqemu_enabled) {
78 return cpu_get_real_ticks();
82 return cpu_get_ticks();
87 void cpu_smm_update(CPUState *env)
89 if (i440fx_state && env == first_cpu)
90 i440fx_set_smm(i440fx_state, (env->hflags >> HF_SMM_SHIFT) & 1);
95 int cpu_get_pic_interrupt(CPUState *env)
99 intno = apic_get_interrupt(env);
101 /* set irq request if a PIC irq is still pending */
102 /* XXX: improve that */
103 pic_update_irq(isa_pic);
106 /* read the irq from the PIC */
107 if (!apic_accept_pic_intr(env))
110 intno = pic_read_irq(isa_pic);
114 static void pic_irq_request(void *opaque, int irq, int level)
116 CPUState *env = first_cpu;
122 if (apic_accept_pic_intr(env))
123 apic_local_deliver(env, APIC_LINT0);
128 /* PC cmos mappings */
130 #define REG_EQUIPMENT_BYTE 0x14
132 static int cmos_get_fd_drive_type(int fd0)
138 /* 1.44 Mb 3"5 drive */
142 /* 2.88 Mb 3"5 drive */
146 /* 1.2 Mb 5"5 drive */
156 static void cmos_init_hd(int type_ofs, int info_ofs, BlockDriverState *hd)
158 RTCState *s = rtc_state;
159 int cylinders, heads, sectors;
160 bdrv_get_geometry_hint(hd, &cylinders, &heads, §ors);
161 rtc_set_memory(s, type_ofs, 47);
162 rtc_set_memory(s, info_ofs, cylinders);
163 rtc_set_memory(s, info_ofs + 1, cylinders >> 8);
164 rtc_set_memory(s, info_ofs + 2, heads);
165 rtc_set_memory(s, info_ofs + 3, 0xff);
166 rtc_set_memory(s, info_ofs + 4, 0xff);
167 rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3));
168 rtc_set_memory(s, info_ofs + 6, cylinders);
169 rtc_set_memory(s, info_ofs + 7, cylinders >> 8);
170 rtc_set_memory(s, info_ofs + 8, sectors);
173 /* convert boot_device letter to something recognizable by the bios */
174 static int boot_device2nibble(char boot_device)
176 switch(boot_device) {
179 return 0x01; /* floppy boot */
181 return 0x02; /* hard drive boot */
183 return 0x03; /* CD-ROM boot */
185 return 0x04; /* Network boot */
190 /* hd_table must contain 4 block drivers */
191 static void cmos_init(int ram_size, const char *boot_device, BlockDriverState **hd_table)
193 RTCState *s = rtc_state;
194 int nbds, bds[3] = { 0, };
199 /* various important CMOS locations needed by PC/Bochs bios */
202 val = 640; /* base memory in K */
203 rtc_set_memory(s, 0x15, val);
204 rtc_set_memory(s, 0x16, val >> 8);
206 val = (ram_size / 1024) - 1024;
209 rtc_set_memory(s, 0x17, val);
210 rtc_set_memory(s, 0x18, val >> 8);
211 rtc_set_memory(s, 0x30, val);
212 rtc_set_memory(s, 0x31, val >> 8);
214 if (ram_size > (16 * 1024 * 1024))
215 val = (ram_size / 65536) - ((16 * 1024 * 1024) / 65536);
220 rtc_set_memory(s, 0x34, val);
221 rtc_set_memory(s, 0x35, val >> 8);
223 /* set the number of CPU */
224 rtc_set_memory(s, 0x5f, smp_cpus - 1);
226 /* set boot devices, and disable floppy signature check if requested */
227 #define PC_MAX_BOOT_DEVICES 3
228 nbds = strlen(boot_device);
229 if (nbds > PC_MAX_BOOT_DEVICES) {
230 fprintf(stderr, "Too many boot devices for PC\n");
233 for (i = 0; i < nbds; i++) {
234 bds[i] = boot_device2nibble(boot_device[i]);
236 fprintf(stderr, "Invalid boot device for PC: '%c'\n",
241 rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]);
242 rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ? 0x0 : 0x1));
246 fd0 = fdctrl_get_drive_type(floppy_controller, 0);
247 fd1 = fdctrl_get_drive_type(floppy_controller, 1);
249 val = (cmos_get_fd_drive_type(fd0) << 4) | cmos_get_fd_drive_type(fd1);
250 rtc_set_memory(s, 0x10, val);
262 val |= 0x01; /* 1 drive, ready for boot */
265 val |= 0x41; /* 2 drives, ready for boot */
268 val |= 0x02; /* FPU is there */
269 val |= 0x04; /* PS/2 mouse installed */
270 rtc_set_memory(s, REG_EQUIPMENT_BYTE, val);
274 rtc_set_memory(s, 0x12, (hd_table[0] ? 0xf0 : 0) | (hd_table[1] ? 0x0f : 0));
276 cmos_init_hd(0x19, 0x1b, hd_table[0]);
278 cmos_init_hd(0x1a, 0x24, hd_table[1]);
281 for (i = 0; i < 4; i++) {
283 int cylinders, heads, sectors, translation;
284 /* NOTE: bdrv_get_geometry_hint() returns the physical
285 geometry. It is always such that: 1 <= sects <= 63, 1
286 <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
287 geometry can be different if a translation is done. */
288 translation = bdrv_get_translation_hint(hd_table[i]);
289 if (translation == BIOS_ATA_TRANSLATION_AUTO) {
290 bdrv_get_geometry_hint(hd_table[i], &cylinders, &heads, §ors);
291 if (cylinders <= 1024 && heads <= 16 && sectors <= 63) {
292 /* No translation. */
295 /* LBA translation. */
301 val |= translation << (i * 2);
304 rtc_set_memory(s, 0x39, val);
307 void ioport_set_a20(int enable)
309 /* XXX: send to all CPUs ? */
310 cpu_x86_set_a20(first_cpu, enable);
313 int ioport_get_a20(void)
315 return ((first_cpu->a20_mask >> 20) & 1);
318 static void ioport92_write(void *opaque, uint32_t addr, uint32_t val)
320 ioport_set_a20((val >> 1) & 1);
321 /* XXX: bit 0 is fast reset */
324 static uint32_t ioport92_read(void *opaque, uint32_t addr)
326 return ioport_get_a20() << 1;
329 /***********************************************************/
330 /* Bochs BIOS debug ports */
332 static void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
334 static const char shutdown_str[8] = "Shutdown";
335 static int shutdown_index = 0;
338 /* Bochs BIOS messages */
341 fprintf(stderr, "BIOS panic at rombios.c, line %d\n", val);
346 fprintf(stderr, "%c", val);
350 /* same as Bochs power off */
351 if (val == shutdown_str[shutdown_index]) {
353 if (shutdown_index == 8) {
355 qemu_system_shutdown_request();
362 /* LGPL'ed VGA BIOS messages */
365 fprintf(stderr, "VGA BIOS panic, line %d\n", val);
370 fprintf(stderr, "%c", val);
376 static void bochs_bios_init(void)
378 register_ioport_write(0x400, 1, 2, bochs_bios_write, NULL);
379 register_ioport_write(0x401, 1, 2, bochs_bios_write, NULL);
380 register_ioport_write(0x402, 1, 1, bochs_bios_write, NULL);
381 register_ioport_write(0x403, 1, 1, bochs_bios_write, NULL);
382 register_ioport_write(0x8900, 1, 1, bochs_bios_write, NULL);
384 register_ioport_write(0x501, 1, 2, bochs_bios_write, NULL);
385 register_ioport_write(0x502, 1, 2, bochs_bios_write, NULL);
386 register_ioport_write(0x500, 1, 1, bochs_bios_write, NULL);
387 register_ioport_write(0x503, 1, 1, bochs_bios_write, NULL);
390 /* Generate an initial boot sector which sets state and jump to
391 a specified vector */
392 static void generate_bootsect(uint32_t gpr[8], uint16_t segs[6], uint16_t ip)
394 uint8_t bootsect[512], *p;
398 hda = drive_get_index(IF_IDE, 0, 0);
400 fprintf(stderr, "A disk image must be given for 'hda' when booting "
405 memset(bootsect, 0, sizeof(bootsect));
407 /* Copy the MSDOS partition table if possible */
408 bdrv_read(drives_table[hda].bdrv, 0, bootsect, 1);
410 /* Make sure we have a partition signature */
411 bootsect[510] = 0x55;
412 bootsect[511] = 0xaa;
416 *p++ = 0xfa; /* CLI */
417 *p++ = 0xfc; /* CLD */
419 for (i = 0; i < 6; i++) {
420 if (i == 1) /* Skip CS */
423 *p++ = 0xb8; /* MOV AX,imm16 */
426 *p++ = 0x8e; /* MOV <seg>,AX */
427 *p++ = 0xc0 + (i << 3);
430 for (i = 0; i < 8; i++) {
431 *p++ = 0x66; /* 32-bit operand size */
432 *p++ = 0xb8 + i; /* MOV <reg>,imm32 */
439 *p++ = 0xea; /* JMP FAR */
442 *p++ = segs[1]; /* CS */
445 bdrv_set_boot_sector(drives_table[hda].bdrv, bootsect, sizeof(bootsect));
448 static long get_file_size(FILE *f)
452 /* XXX: on Unix systems, using fstat() probably makes more sense */
455 fseek(f, 0, SEEK_END);
457 fseek(f, where, SEEK_SET);
462 static void load_linux(const char *kernel_filename,
463 const char *initrd_filename,
464 const char *kernel_cmdline)
470 int setup_size, kernel_size, initrd_size, cmdline_size;
472 uint8_t header[1024];
473 uint8_t *real_addr, *prot_addr, *cmdline_addr, *initrd_addr;
476 /* Align to 16 bytes as a paranoia measure */
477 cmdline_size = (strlen(kernel_cmdline)+16) & ~15;
479 /* load the kernel header */
480 f = fopen(kernel_filename, "rb");
481 if (!f || !(kernel_size = get_file_size(f)) ||
482 fread(header, 1, 1024, f) != 1024) {
483 fprintf(stderr, "qemu: could not load kernel '%s'\n",
488 /* kernel protocol version */
490 fprintf(stderr, "header magic: %#x\n", ldl_p(header+0x202));
492 if (ldl_p(header+0x202) == 0x53726448)
493 protocol = lduw_p(header+0x206);
497 if (protocol < 0x200 || !(header[0x211] & 0x01)) {
499 real_addr = phys_ram_base + 0x90000;
500 cmdline_addr = phys_ram_base + 0x9a000 - cmdline_size;
501 prot_addr = phys_ram_base + 0x10000;
502 } else if (protocol < 0x202) {
503 /* High but ancient kernel */
504 real_addr = phys_ram_base + 0x90000;
505 cmdline_addr = phys_ram_base + 0x9a000 - cmdline_size;
506 prot_addr = phys_ram_base + 0x100000;
508 /* High and recent kernel */
509 real_addr = phys_ram_base + 0x10000;
510 cmdline_addr = phys_ram_base + 0x20000;
511 prot_addr = phys_ram_base + 0x100000;
516 "qemu: real_addr = %#zx\n"
517 "qemu: cmdline_addr = %#zx\n"
518 "qemu: prot_addr = %#zx\n",
519 real_addr-phys_ram_base,
520 cmdline_addr-phys_ram_base,
521 prot_addr-phys_ram_base);
524 /* highest address for loading the initrd */
525 if (protocol >= 0x203)
526 initrd_max = ldl_p(header+0x22c);
528 initrd_max = 0x37ffffff;
530 if (initrd_max >= ram_size-ACPI_DATA_SIZE)
531 initrd_max = ram_size-ACPI_DATA_SIZE-1;
533 /* kernel command line */
534 pstrcpy((char*)cmdline_addr, 4096, kernel_cmdline);
536 if (protocol >= 0x202) {
537 stl_p(header+0x228, cmdline_addr-phys_ram_base);
539 stw_p(header+0x20, 0xA33F);
540 stw_p(header+0x22, cmdline_addr-real_addr);
544 /* High nybble = B reserved for Qemu; low nybble is revision number.
545 If this code is substantially changed, you may want to consider
546 incrementing the revision. */
547 if (protocol >= 0x200)
548 header[0x210] = 0xB0;
551 if (protocol >= 0x201) {
552 header[0x211] |= 0x80; /* CAN_USE_HEAP */
553 stw_p(header+0x224, cmdline_addr-real_addr-0x200);
557 if (initrd_filename) {
558 if (protocol < 0x200) {
559 fprintf(stderr, "qemu: linux kernel too old to load a ram disk\n");
563 fi = fopen(initrd_filename, "rb");
565 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
570 initrd_size = get_file_size(fi);
571 initrd_addr = phys_ram_base + ((initrd_max-initrd_size) & ~4095);
573 fprintf(stderr, "qemu: loading initrd (%#x bytes) at %#zx\n",
574 initrd_size, initrd_addr-phys_ram_base);
576 if (fread(initrd_addr, 1, initrd_size, fi) != initrd_size) {
577 fprintf(stderr, "qemu: read error on initial ram disk '%s'\n",
583 stl_p(header+0x218, initrd_addr-phys_ram_base);
584 stl_p(header+0x21c, initrd_size);
587 /* store the finalized header and load the rest of the kernel */
588 memcpy(real_addr, header, 1024);
590 setup_size = header[0x1f1];
594 setup_size = (setup_size+1)*512;
595 kernel_size -= setup_size; /* Size of protected-mode code */
597 if (fread(real_addr+1024, 1, setup_size-1024, f) != setup_size-1024 ||
598 fread(prot_addr, 1, kernel_size, f) != kernel_size) {
599 fprintf(stderr, "qemu: read error on kernel '%s'\n",
605 /* generate bootsector to set up the initial register state */
606 real_seg = (real_addr-phys_ram_base) >> 4;
607 seg[0] = seg[2] = seg[3] = seg[4] = seg[4] = real_seg;
608 seg[1] = real_seg+0x20; /* CS */
609 memset(gpr, 0, sizeof gpr);
610 gpr[4] = cmdline_addr-real_addr-16; /* SP (-16 is paranoia) */
612 generate_bootsect(gpr, seg, 0);
615 static void main_cpu_reset(void *opaque)
617 CPUState *env = opaque;
621 static const int ide_iobase[2] = { 0x1f0, 0x170 };
622 static const int ide_iobase2[2] = { 0x3f6, 0x376 };
623 static const int ide_irq[2] = { 14, 15 };
625 #define NE2000_NB_MAX 6
627 static int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 };
628 static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
630 static int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
631 static int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
633 static int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
634 static int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
637 static void audio_init (PCIBus *pci_bus, qemu_irq *pic)
640 int audio_enabled = 0;
642 for (c = soundhw; !audio_enabled && c->name; ++c) {
643 audio_enabled = c->enabled;
651 for (c = soundhw; c->name; ++c) {
654 c->init.init_isa (s, pic);
658 c->init.init_pci (pci_bus, s);
668 static void pc_init_ne2k_isa(NICInfo *nd, qemu_irq *pic)
670 static int nb_ne2k = 0;
672 if (nb_ne2k == NE2000_NB_MAX)
674 isa_ne2000_init(ne2000_io[nb_ne2k], pic[ne2000_irq[nb_ne2k]], nd);
678 /* PC hardware initialisation */
679 static void pc_init1(int ram_size, int vga_ram_size,
680 const char *boot_device, DisplayState *ds,
681 const char *kernel_filename, const char *kernel_cmdline,
682 const char *initrd_filename,
683 int pci_enabled, const char *cpu_model)
686 int ret, linux_boot, i;
687 ram_addr_t ram_addr, vga_ram_addr, bios_offset, vga_bios_offset;
688 int bios_size, isa_bios_size, vga_bios_size;
690 int piix3_devfn = -1;
696 BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
697 BlockDriverState *fd[MAX_FD];
699 linux_boot = (kernel_filename != NULL);
702 if (cpu_model == NULL) {
704 cpu_model = "qemu64";
706 cpu_model = "qemu32";
710 for(i = 0; i < smp_cpus; i++) {
711 env = cpu_init(cpu_model);
713 fprintf(stderr, "Unable to find x86 CPU definition\n");
717 env->hflags |= HF_HALTED_MASK;
719 /* XXX: enable it in all cases */
720 env->cpuid_features |= CPUID_APIC;
722 register_savevm("cpu", i, 4, cpu_save, cpu_load, env);
723 qemu_register_reset(main_cpu_reset, env);
732 ram_addr = qemu_ram_alloc(ram_size);
733 cpu_register_physical_memory(0, ram_size, ram_addr);
735 /* allocate VGA RAM */
736 vga_ram_addr = qemu_ram_alloc(vga_ram_size);
739 if (bios_name == NULL)
740 bios_name = BIOS_FILENAME;
741 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
742 bios_size = get_image_size(buf);
743 if (bios_size <= 0 ||
744 (bios_size % 65536) != 0) {
747 bios_offset = qemu_ram_alloc(bios_size);
748 ret = load_image(buf, phys_ram_base + bios_offset);
749 if (ret != bios_size) {
751 fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", buf);
756 if (cirrus_vga_enabled) {
757 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME);
759 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
761 vga_bios_size = get_image_size(buf);
762 if (vga_bios_size <= 0 || vga_bios_size > 65536)
764 vga_bios_offset = qemu_ram_alloc(65536);
766 ret = load_image(buf, phys_ram_base + vga_bios_offset);
767 if (ret != vga_bios_size) {
769 fprintf(stderr, "qemu: could not load VGA BIOS '%s'\n", buf);
773 /* setup basic memory access */
774 cpu_register_physical_memory(0xc0000, 0x10000,
775 vga_bios_offset | IO_MEM_ROM);
777 /* map the last 128KB of the BIOS in ISA space */
778 isa_bios_size = bios_size;
779 if (isa_bios_size > (128 * 1024))
780 isa_bios_size = 128 * 1024;
781 cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size,
783 cpu_register_physical_memory(0x100000 - isa_bios_size,
785 (bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM);
788 ram_addr_t option_rom_offset;
792 for (i = 0; i < nb_option_roms; i++) {
793 size = get_image_size(option_rom[i]);
795 fprintf(stderr, "Could not load option rom '%s'\n",
799 if (size > (0x10000 - offset))
800 goto option_rom_error;
801 option_rom_offset = qemu_ram_alloc(size);
802 ret = load_image(option_rom[i], phys_ram_base + option_rom_offset);
805 fprintf(stderr, "Too many option ROMS\n");
808 size = (size + 4095) & ~4095;
809 cpu_register_physical_memory(0xd0000 + offset,
810 size, option_rom_offset | IO_MEM_ROM);
815 /* map all the bios at the top of memory */
816 cpu_register_physical_memory((uint32_t)(-bios_size),
817 bios_size, bios_offset | IO_MEM_ROM);
822 load_linux(kernel_filename, initrd_filename, kernel_cmdline);
824 cpu_irq = qemu_allocate_irqs(pic_irq_request, NULL, 1);
825 i8259 = i8259_init(cpu_irq[0]);
826 ferr_irq = i8259[13];
829 pci_bus = i440fx_init(&i440fx_state, i8259);
830 piix3_devfn = piix3_init(pci_bus, -1);
835 /* init basic PC hardware */
836 register_ioport_write(0x80, 1, 1, ioport80_write, NULL);
838 register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL);
840 if (cirrus_vga_enabled) {
842 pci_cirrus_vga_init(pci_bus,
843 ds, phys_ram_base + vga_ram_addr,
844 vga_ram_addr, vga_ram_size);
846 isa_cirrus_vga_init(ds, phys_ram_base + vga_ram_addr,
847 vga_ram_addr, vga_ram_size);
849 } else if (vmsvga_enabled) {
851 pci_vmsvga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
852 vga_ram_addr, vga_ram_size);
854 fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__);
857 pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
858 vga_ram_addr, vga_ram_size, 0, 0);
860 isa_vga_init(ds, phys_ram_base + vga_ram_addr,
861 vga_ram_addr, vga_ram_size);
865 rtc_state = rtc_init(0x70, i8259[8]);
867 register_ioport_read(0x92, 1, 1, ioport92_read, NULL);
868 register_ioport_write(0x92, 1, 1, ioport92_write, NULL);
871 ioapic = ioapic_init();
873 pit = pit_init(0x40, i8259[0]);
876 pic_set_alt_irq_func(isa_pic, ioapic_set_irq, ioapic);
879 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
881 serial_init(serial_io[i], i8259[serial_irq[i]], serial_hds[i]);
885 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
886 if (parallel_hds[i]) {
887 parallel_init(parallel_io[i], i8259[parallel_irq[i]],
892 for(i = 0; i < nb_nics; i++) {
896 nd->model = "ne2k_pci";
898 nd->model = "ne2k_isa";
901 if (strcmp(nd->model, "ne2k_isa") == 0) {
902 pc_init_ne2k_isa(nd, i8259);
903 } else if (pci_enabled) {
904 if (strcmp(nd->model, "?") == 0)
905 fprintf(stderr, "qemu: Supported ISA NICs: ne2k_isa\n");
906 pci_nic_init(pci_bus, nd, -1);
907 } else if (strcmp(nd->model, "?") == 0) {
908 fprintf(stderr, "qemu: Supported ISA NICs: ne2k_isa\n");
911 fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
916 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
917 fprintf(stderr, "qemu: too many IDE bus\n");
921 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
922 index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
924 hd[i] = drives_table[index].bdrv;
930 pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1, i8259);
932 for(i = 0; i < MAX_IDE_BUS; i++) {
933 isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
934 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
938 i8042_init(i8259[1], i8259[12], 0x60);
941 audio_init(pci_enabled ? pci_bus : NULL, i8259);
944 for(i = 0; i < MAX_FD; i++) {
945 index = drive_get_index(IF_FLOPPY, 0, i);
947 fd[i] = drives_table[index].bdrv;
951 floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd);
953 cmos_init(ram_size, boot_device, hd);
955 if (pci_enabled && usb_enabled) {
956 usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
959 if (pci_enabled && acpi_enabled) {
960 uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
963 /* TODO: Populate SPD eeprom data. */
964 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, i8259[9]);
965 for (i = 0; i < 8; i++) {
966 smbus_eeprom_device_init(smbus, 0x50 + i, eeprom_buf + (i * 256));
971 i440fx_init_memory_mappings(i440fx_state);
979 max_bus = drive_get_max_bus(IF_SCSI);
981 for (bus = 0; bus <= max_bus; bus++) {
982 scsi = lsi_scsi_init(pci_bus, -1);
983 for (unit = 0; unit < LSI_MAX_DEVS; unit++) {
984 index = drive_get_index(IF_SCSI, bus, unit);
987 lsi_scsi_attach(scsi, drives_table[index].bdrv, unit);
993 static void pc_init_pci(int ram_size, int vga_ram_size,
994 const char *boot_device, DisplayState *ds,
995 const char *kernel_filename,
996 const char *kernel_cmdline,
997 const char *initrd_filename,
998 const char *cpu_model)
1000 pc_init1(ram_size, vga_ram_size, boot_device, ds,
1001 kernel_filename, kernel_cmdline,
1002 initrd_filename, 1, cpu_model);
1005 static void pc_init_isa(int ram_size, int vga_ram_size,
1006 const char *boot_device, DisplayState *ds,
1007 const char *kernel_filename,
1008 const char *kernel_cmdline,
1009 const char *initrd_filename,
1010 const char *cpu_model)
1012 pc_init1(ram_size, vga_ram_size, boot_device, ds,
1013 kernel_filename, kernel_cmdline,
1014 initrd_filename, 0, cpu_model);
1017 QEMUMachine pc_machine = {
1023 QEMUMachine isapc_machine = {