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"
36 /* output Bochs bios info messages */
39 #define BIOS_FILENAME "bios.bin"
40 #define VGABIOS_FILENAME "vgabios.bin"
41 #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
43 #define PC_MAX_BIOS_SIZE (4 * 1024 * 1024)
45 /* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
46 #define ACPI_DATA_SIZE 0x10000
50 static fdctrl_t *floppy_controller;
51 static RTCState *rtc_state;
53 static IOAPICState *ioapic;
54 static PCIDevice *i440fx_state;
56 static void ioport80_write(void *opaque, uint32_t addr, uint32_t data)
60 /* MSDOS compatibility mode FPU exception support */
61 static qemu_irq ferr_irq;
62 /* XXX: add IGNNE support */
63 void cpu_set_ferr(CPUX86State *s)
65 qemu_irq_raise(ferr_irq);
68 static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data)
70 qemu_irq_lower(ferr_irq);
74 uint64_t cpu_get_tsc(CPUX86State *env)
76 /* Note: when using kqemu, it is more logical to return the host TSC
77 because kqemu does not trap the RDTSC instruction for
78 performance reasons */
80 if (env->kqemu_enabled) {
81 return cpu_get_real_ticks();
85 return cpu_get_ticks();
90 void cpu_smm_update(CPUState *env)
92 if (i440fx_state && env == first_cpu)
93 i440fx_set_smm(i440fx_state, (env->hflags >> HF_SMM_SHIFT) & 1);
98 int cpu_get_pic_interrupt(CPUState *env)
102 intno = apic_get_interrupt(env);
104 /* set irq request if a PIC irq is still pending */
105 /* XXX: improve that */
106 pic_update_irq(isa_pic);
109 /* read the irq from the PIC */
110 if (!apic_accept_pic_intr(env))
113 intno = pic_read_irq(isa_pic);
117 static void pic_irq_request(void *opaque, int irq, int level)
119 CPUState *env = first_cpu;
125 if (apic_accept_pic_intr(env))
126 apic_local_deliver(env, APIC_LINT0);
131 /* PC cmos mappings */
133 #define REG_EQUIPMENT_BYTE 0x14
135 static int cmos_get_fd_drive_type(int fd0)
141 /* 1.44 Mb 3"5 drive */
145 /* 2.88 Mb 3"5 drive */
149 /* 1.2 Mb 5"5 drive */
159 static void cmos_init_hd(int type_ofs, int info_ofs, BlockDriverState *hd)
161 RTCState *s = rtc_state;
162 int cylinders, heads, sectors;
163 bdrv_get_geometry_hint(hd, &cylinders, &heads, §ors);
164 rtc_set_memory(s, type_ofs, 47);
165 rtc_set_memory(s, info_ofs, cylinders);
166 rtc_set_memory(s, info_ofs + 1, cylinders >> 8);
167 rtc_set_memory(s, info_ofs + 2, heads);
168 rtc_set_memory(s, info_ofs + 3, 0xff);
169 rtc_set_memory(s, info_ofs + 4, 0xff);
170 rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3));
171 rtc_set_memory(s, info_ofs + 6, cylinders);
172 rtc_set_memory(s, info_ofs + 7, cylinders >> 8);
173 rtc_set_memory(s, info_ofs + 8, sectors);
176 /* convert boot_device letter to something recognizable by the bios */
177 static int boot_device2nibble(char boot_device)
179 switch(boot_device) {
182 return 0x01; /* floppy boot */
184 return 0x02; /* hard drive boot */
186 return 0x03; /* CD-ROM boot */
188 return 0x04; /* Network boot */
193 /* copy/pasted from cmos_init, should be made a general function
194 and used there as well */
195 static int pc_boot_set(void *opaque, const char *boot_device)
197 #define PC_MAX_BOOT_DEVICES 3
198 RTCState *s = (RTCState *)opaque;
199 int nbds, bds[3] = { 0, };
202 nbds = strlen(boot_device);
203 if (nbds > PC_MAX_BOOT_DEVICES) {
204 term_printf("Too many boot devices for PC\n");
207 for (i = 0; i < nbds; i++) {
208 bds[i] = boot_device2nibble(boot_device[i]);
210 term_printf("Invalid boot device for PC: '%c'\n",
215 rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]);
216 rtc_set_memory(s, 0x38, (bds[2] << 4));
220 /* hd_table must contain 4 block drivers */
221 static void cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
222 const char *boot_device, BlockDriverState **hd_table)
224 RTCState *s = rtc_state;
225 int nbds, bds[3] = { 0, };
230 /* various important CMOS locations needed by PC/Bochs bios */
233 val = 640; /* base memory in K */
234 rtc_set_memory(s, 0x15, val);
235 rtc_set_memory(s, 0x16, val >> 8);
237 val = (ram_size / 1024) - 1024;
240 rtc_set_memory(s, 0x17, val);
241 rtc_set_memory(s, 0x18, val >> 8);
242 rtc_set_memory(s, 0x30, val);
243 rtc_set_memory(s, 0x31, val >> 8);
245 if (above_4g_mem_size) {
246 rtc_set_memory(s, 0x5b, (unsigned int)above_4g_mem_size >> 16);
247 rtc_set_memory(s, 0x5c, (unsigned int)above_4g_mem_size >> 24);
248 rtc_set_memory(s, 0x5d, (uint64_t)above_4g_mem_size >> 32);
251 if (ram_size > (16 * 1024 * 1024))
252 val = (ram_size / 65536) - ((16 * 1024 * 1024) / 65536);
257 rtc_set_memory(s, 0x34, val);
258 rtc_set_memory(s, 0x35, val >> 8);
260 /* set the number of CPU */
261 rtc_set_memory(s, 0x5f, smp_cpus - 1);
263 /* set boot devices, and disable floppy signature check if requested */
264 #define PC_MAX_BOOT_DEVICES 3
265 nbds = strlen(boot_device);
266 if (nbds > PC_MAX_BOOT_DEVICES) {
267 fprintf(stderr, "Too many boot devices for PC\n");
270 for (i = 0; i < nbds; i++) {
271 bds[i] = boot_device2nibble(boot_device[i]);
273 fprintf(stderr, "Invalid boot device for PC: '%c'\n",
278 rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]);
279 rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ? 0x0 : 0x1));
283 fd0 = fdctrl_get_drive_type(floppy_controller, 0);
284 fd1 = fdctrl_get_drive_type(floppy_controller, 1);
286 val = (cmos_get_fd_drive_type(fd0) << 4) | cmos_get_fd_drive_type(fd1);
287 rtc_set_memory(s, 0x10, val);
299 val |= 0x01; /* 1 drive, ready for boot */
302 val |= 0x41; /* 2 drives, ready for boot */
305 val |= 0x02; /* FPU is there */
306 val |= 0x04; /* PS/2 mouse installed */
307 rtc_set_memory(s, REG_EQUIPMENT_BYTE, val);
311 rtc_set_memory(s, 0x12, (hd_table[0] ? 0xf0 : 0) | (hd_table[1] ? 0x0f : 0));
313 cmos_init_hd(0x19, 0x1b, hd_table[0]);
315 cmos_init_hd(0x1a, 0x24, hd_table[1]);
318 for (i = 0; i < 4; i++) {
320 int cylinders, heads, sectors, translation;
321 /* NOTE: bdrv_get_geometry_hint() returns the physical
322 geometry. It is always such that: 1 <= sects <= 63, 1
323 <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
324 geometry can be different if a translation is done. */
325 translation = bdrv_get_translation_hint(hd_table[i]);
326 if (translation == BIOS_ATA_TRANSLATION_AUTO) {
327 bdrv_get_geometry_hint(hd_table[i], &cylinders, &heads, §ors);
328 if (cylinders <= 1024 && heads <= 16 && sectors <= 63) {
329 /* No translation. */
332 /* LBA translation. */
338 val |= translation << (i * 2);
341 rtc_set_memory(s, 0x39, val);
344 void ioport_set_a20(int enable)
346 /* XXX: send to all CPUs ? */
347 cpu_x86_set_a20(first_cpu, enable);
350 int ioport_get_a20(void)
352 return ((first_cpu->a20_mask >> 20) & 1);
355 static void ioport92_write(void *opaque, uint32_t addr, uint32_t val)
357 ioport_set_a20((val >> 1) & 1);
358 /* XXX: bit 0 is fast reset */
361 static uint32_t ioport92_read(void *opaque, uint32_t addr)
363 return ioport_get_a20() << 1;
366 /***********************************************************/
367 /* Bochs BIOS debug ports */
369 static void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
371 static const char shutdown_str[8] = "Shutdown";
372 static int shutdown_index = 0;
375 /* Bochs BIOS messages */
378 fprintf(stderr, "BIOS panic at rombios.c, line %d\n", val);
383 fprintf(stderr, "%c", val);
387 /* same as Bochs power off */
388 if (val == shutdown_str[shutdown_index]) {
390 if (shutdown_index == 8) {
392 qemu_system_shutdown_request();
399 /* LGPL'ed VGA BIOS messages */
402 fprintf(stderr, "VGA BIOS panic, line %d\n", val);
407 fprintf(stderr, "%c", val);
413 static void bochs_bios_init(void)
415 register_ioport_write(0x400, 1, 2, bochs_bios_write, NULL);
416 register_ioport_write(0x401, 1, 2, bochs_bios_write, NULL);
417 register_ioport_write(0x402, 1, 1, bochs_bios_write, NULL);
418 register_ioport_write(0x403, 1, 1, bochs_bios_write, NULL);
419 register_ioport_write(0x8900, 1, 1, bochs_bios_write, NULL);
421 register_ioport_write(0x501, 1, 2, bochs_bios_write, NULL);
422 register_ioport_write(0x502, 1, 2, bochs_bios_write, NULL);
423 register_ioport_write(0x500, 1, 1, bochs_bios_write, NULL);
424 register_ioport_write(0x503, 1, 1, bochs_bios_write, NULL);
427 /* Generate an initial boot sector which sets state and jump to
428 a specified vector */
429 static void generate_bootsect(uint32_t gpr[8], uint16_t segs[6], uint16_t ip)
431 uint8_t bootsect[512], *p;
435 hda = drive_get_index(IF_IDE, 0, 0);
437 fprintf(stderr, "A disk image must be given for 'hda' when booting "
442 memset(bootsect, 0, sizeof(bootsect));
444 /* Copy the MSDOS partition table if possible */
445 bdrv_read(drives_table[hda].bdrv, 0, bootsect, 1);
447 /* Make sure we have a partition signature */
448 bootsect[510] = 0x55;
449 bootsect[511] = 0xaa;
453 *p++ = 0xfa; /* CLI */
454 *p++ = 0xfc; /* CLD */
456 for (i = 0; i < 6; i++) {
457 if (i == 1) /* Skip CS */
460 *p++ = 0xb8; /* MOV AX,imm16 */
463 *p++ = 0x8e; /* MOV <seg>,AX */
464 *p++ = 0xc0 + (i << 3);
467 for (i = 0; i < 8; i++) {
468 *p++ = 0x66; /* 32-bit operand size */
469 *p++ = 0xb8 + i; /* MOV <reg>,imm32 */
476 *p++ = 0xea; /* JMP FAR */
479 *p++ = segs[1]; /* CS */
482 bdrv_set_boot_sector(drives_table[hda].bdrv, bootsect, sizeof(bootsect));
485 static long get_file_size(FILE *f)
489 /* XXX: on Unix systems, using fstat() probably makes more sense */
492 fseek(f, 0, SEEK_END);
494 fseek(f, where, SEEK_SET);
499 static void load_linux(const char *kernel_filename,
500 const char *initrd_filename,
501 const char *kernel_cmdline)
507 int setup_size, kernel_size, initrd_size, cmdline_size;
509 uint8_t header[1024];
510 target_phys_addr_t real_addr, prot_addr, cmdline_addr, initrd_addr;
513 /* Align to 16 bytes as a paranoia measure */
514 cmdline_size = (strlen(kernel_cmdline)+16) & ~15;
516 /* load the kernel header */
517 f = fopen(kernel_filename, "rb");
518 if (!f || !(kernel_size = get_file_size(f)) ||
519 fread(header, 1, 1024, f) != 1024) {
520 fprintf(stderr, "qemu: could not load kernel '%s'\n",
525 /* kernel protocol version */
527 fprintf(stderr, "header magic: %#x\n", ldl_p(header+0x202));
529 if (ldl_p(header+0x202) == 0x53726448)
530 protocol = lduw_p(header+0x206);
534 if (protocol < 0x200 || !(header[0x211] & 0x01)) {
537 cmdline_addr = 0x9a000 - cmdline_size;
539 } else if (protocol < 0x202) {
540 /* High but ancient kernel */
542 cmdline_addr = 0x9a000 - cmdline_size;
543 prot_addr = 0x100000;
545 /* High and recent kernel */
547 cmdline_addr = 0x20000;
548 prot_addr = 0x100000;
553 "qemu: real_addr = %#zx\n"
554 "qemu: cmdline_addr = %#zx\n"
555 "qemu: prot_addr = %#zx\n",
561 /* highest address for loading the initrd */
562 if (protocol >= 0x203)
563 initrd_max = ldl_p(header+0x22c);
565 initrd_max = 0x37ffffff;
567 if (initrd_max >= ram_size-ACPI_DATA_SIZE)
568 initrd_max = ram_size-ACPI_DATA_SIZE-1;
570 /* kernel command line */
571 pstrcpy_targphys(cmdline_addr, 4096, kernel_cmdline);
573 if (protocol >= 0x202) {
574 stl_p(header+0x228, cmdline_addr);
576 stw_p(header+0x20, 0xA33F);
577 stw_p(header+0x22, cmdline_addr-real_addr);
581 /* High nybble = B reserved for Qemu; low nybble is revision number.
582 If this code is substantially changed, you may want to consider
583 incrementing the revision. */
584 if (protocol >= 0x200)
585 header[0x210] = 0xB0;
588 if (protocol >= 0x201) {
589 header[0x211] |= 0x80; /* CAN_USE_HEAP */
590 stw_p(header+0x224, cmdline_addr-real_addr-0x200);
594 if (initrd_filename) {
595 if (protocol < 0x200) {
596 fprintf(stderr, "qemu: linux kernel too old to load a ram disk\n");
600 fi = fopen(initrd_filename, "rb");
602 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
607 initrd_size = get_file_size(fi);
608 initrd_addr = (initrd_max-initrd_size) & ~4095;
610 fprintf(stderr, "qemu: loading initrd (%#x bytes) at %#zx\n",
611 initrd_size, initrd_addr);
613 if (!fread_targphys_ok(initrd_addr, initrd_size, fi)) {
614 fprintf(stderr, "qemu: read error on initial ram disk '%s'\n",
620 stl_p(header+0x218, initrd_addr);
621 stl_p(header+0x21c, initrd_size);
624 /* store the finalized header and load the rest of the kernel */
625 cpu_physical_memory_write(real_addr, header, 1024);
627 setup_size = header[0x1f1];
631 setup_size = (setup_size+1)*512;
632 kernel_size -= setup_size; /* Size of protected-mode code */
634 if (!fread_targphys_ok(real_addr+1024, setup_size-1024, f) ||
635 !fread_targphys_ok(prot_addr, kernel_size, f)) {
636 fprintf(stderr, "qemu: read error on kernel '%s'\n",
642 /* generate bootsector to set up the initial register state */
643 real_seg = real_addr >> 4;
644 seg[0] = seg[2] = seg[3] = seg[4] = seg[4] = real_seg;
645 seg[1] = real_seg+0x20; /* CS */
646 memset(gpr, 0, sizeof gpr);
647 gpr[4] = cmdline_addr-real_addr-16; /* SP (-16 is paranoia) */
649 generate_bootsect(gpr, seg, 0);
652 static void main_cpu_reset(void *opaque)
654 CPUState *env = opaque;
658 static const int ide_iobase[2] = { 0x1f0, 0x170 };
659 static const int ide_iobase2[2] = { 0x3f6, 0x376 };
660 static const int ide_irq[2] = { 14, 15 };
662 #define NE2000_NB_MAX 6
664 static int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 };
665 static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
667 static int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
668 static int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
670 static int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
671 static int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
674 static void audio_init (PCIBus *pci_bus, qemu_irq *pic)
677 int audio_enabled = 0;
679 for (c = soundhw; !audio_enabled && c->name; ++c) {
680 audio_enabled = c->enabled;
688 for (c = soundhw; c->name; ++c) {
691 c->init.init_isa (s, pic);
695 c->init.init_pci (pci_bus, s);
705 static void pc_init_ne2k_isa(NICInfo *nd, qemu_irq *pic)
707 static int nb_ne2k = 0;
709 if (nb_ne2k == NE2000_NB_MAX)
711 isa_ne2000_init(ne2000_io[nb_ne2k], pic[ne2000_irq[nb_ne2k]], nd);
715 /* PC hardware initialisation */
716 static void pc_init1(ram_addr_t ram_size, int vga_ram_size,
717 const char *boot_device, DisplayState *ds,
718 const char *kernel_filename, const char *kernel_cmdline,
719 const char *initrd_filename,
720 int pci_enabled, const char *cpu_model)
723 int ret, linux_boot, i;
724 ram_addr_t ram_addr, vga_ram_addr, bios_offset, vga_bios_offset;
725 ram_addr_t below_4g_mem_size, above_4g_mem_size = 0;
726 int bios_size, isa_bios_size, vga_bios_size;
728 int piix3_devfn = -1;
734 BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
735 BlockDriverState *fd[MAX_FD];
737 if (ram_size >= 0xe0000000 ) {
738 above_4g_mem_size = ram_size - 0xe0000000;
739 below_4g_mem_size = 0xe0000000;
741 below_4g_mem_size = ram_size;
744 linux_boot = (kernel_filename != NULL);
747 if (cpu_model == NULL) {
749 cpu_model = "qemu64";
751 cpu_model = "qemu32";
755 for(i = 0; i < smp_cpus; i++) {
756 env = cpu_init(cpu_model);
758 fprintf(stderr, "Unable to find x86 CPU definition\n");
764 /* XXX: enable it in all cases */
765 env->cpuid_features |= CPUID_APIC;
767 register_savevm("cpu", i, 5, cpu_save, cpu_load, env);
768 qemu_register_reset(main_cpu_reset, env);
777 ram_addr = qemu_ram_alloc(ram_size);
778 cpu_register_physical_memory(0, below_4g_mem_size, ram_addr);
780 /* above 4giga memory allocation */
781 if (above_4g_mem_size > 0) {
782 cpu_register_physical_memory(0x100000000ULL, above_4g_mem_size,
783 ram_addr + below_4g_mem_size);
786 /* allocate VGA RAM */
787 vga_ram_addr = qemu_ram_alloc(vga_ram_size);
790 if (bios_name == NULL)
791 bios_name = BIOS_FILENAME;
792 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
793 bios_size = get_image_size(buf);
794 if (bios_size <= 0 ||
795 (bios_size % 65536) != 0) {
798 bios_offset = qemu_ram_alloc(bios_size);
799 ret = load_image(buf, phys_ram_base + bios_offset);
800 if (ret != bios_size) {
802 fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", buf);
807 if (cirrus_vga_enabled) {
808 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME);
810 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
812 vga_bios_size = get_image_size(buf);
813 if (vga_bios_size <= 0 || vga_bios_size > 65536)
815 vga_bios_offset = qemu_ram_alloc(65536);
817 ret = load_image(buf, phys_ram_base + vga_bios_offset);
818 if (ret != vga_bios_size) {
820 fprintf(stderr, "qemu: could not load VGA BIOS '%s'\n", buf);
824 /* setup basic memory access */
825 cpu_register_physical_memory(0xc0000, 0x10000,
826 vga_bios_offset | IO_MEM_ROM);
828 /* map the last 128KB of the BIOS in ISA space */
829 isa_bios_size = bios_size;
830 if (isa_bios_size > (128 * 1024))
831 isa_bios_size = 128 * 1024;
832 cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size,
834 cpu_register_physical_memory(0x100000 - isa_bios_size,
836 (bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM);
839 ram_addr_t option_rom_offset;
843 for (i = 0; i < nb_option_roms; i++) {
844 size = get_image_size(option_rom[i]);
846 fprintf(stderr, "Could not load option rom '%s'\n",
850 if (size > (0x10000 - offset))
851 goto option_rom_error;
852 option_rom_offset = qemu_ram_alloc(size);
853 ret = load_image(option_rom[i], phys_ram_base + option_rom_offset);
856 fprintf(stderr, "Too many option ROMS\n");
859 size = (size + 4095) & ~4095;
860 cpu_register_physical_memory(0xd0000 + offset,
861 size, option_rom_offset | IO_MEM_ROM);
866 /* map all the bios at the top of memory */
867 cpu_register_physical_memory((uint32_t)(-bios_size),
868 bios_size, bios_offset | IO_MEM_ROM);
873 load_linux(kernel_filename, initrd_filename, kernel_cmdline);
875 cpu_irq = qemu_allocate_irqs(pic_irq_request, NULL, 1);
876 i8259 = i8259_init(cpu_irq[0]);
877 ferr_irq = i8259[13];
880 pci_bus = i440fx_init(&i440fx_state, i8259);
881 piix3_devfn = piix3_init(pci_bus, -1);
886 /* init basic PC hardware */
887 register_ioport_write(0x80, 1, 1, ioport80_write, NULL);
889 register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL);
891 if (cirrus_vga_enabled) {
893 pci_cirrus_vga_init(pci_bus,
894 ds, phys_ram_base + vga_ram_addr,
895 vga_ram_addr, vga_ram_size);
897 isa_cirrus_vga_init(ds, phys_ram_base + vga_ram_addr,
898 vga_ram_addr, vga_ram_size);
900 } else if (vmsvga_enabled) {
902 pci_vmsvga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
903 vga_ram_addr, vga_ram_size);
905 fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__);
908 pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
909 vga_ram_addr, vga_ram_size, 0, 0);
911 isa_vga_init(ds, phys_ram_base + vga_ram_addr,
912 vga_ram_addr, vga_ram_size);
916 rtc_state = rtc_init(0x70, i8259[8]);
918 qemu_register_boot_set(pc_boot_set, rtc_state);
920 register_ioport_read(0x92, 1, 1, ioport92_read, NULL);
921 register_ioport_write(0x92, 1, 1, ioport92_write, NULL);
924 ioapic = ioapic_init();
926 pit = pit_init(0x40, i8259[0]);
929 pic_set_alt_irq_func(isa_pic, ioapic_set_irq, ioapic);
932 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
934 serial_init(serial_io[i], i8259[serial_irq[i]], 115200,
939 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
940 if (parallel_hds[i]) {
941 parallel_init(parallel_io[i], i8259[parallel_irq[i]],
946 for(i = 0; i < nb_nics; i++) {
950 nd->model = "ne2k_pci";
952 nd->model = "ne2k_isa";
955 if (strcmp(nd->model, "ne2k_isa") == 0) {
956 pc_init_ne2k_isa(nd, i8259);
957 } else if (pci_enabled) {
958 if (strcmp(nd->model, "?") == 0)
959 fprintf(stderr, "qemu: Supported ISA NICs: ne2k_isa\n");
960 pci_nic_init(pci_bus, nd, -1);
961 } else if (strcmp(nd->model, "?") == 0) {
962 fprintf(stderr, "qemu: Supported ISA NICs: ne2k_isa\n");
965 fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
970 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
971 fprintf(stderr, "qemu: too many IDE bus\n");
975 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
976 index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
978 hd[i] = drives_table[index].bdrv;
984 pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1, i8259);
986 for(i = 0; i < MAX_IDE_BUS; i++) {
987 isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
988 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
992 i8042_init(i8259[1], i8259[12], 0x60);
995 audio_init(pci_enabled ? pci_bus : NULL, i8259);
998 for(i = 0; i < MAX_FD; i++) {
999 index = drive_get_index(IF_FLOPPY, 0, i);
1001 fd[i] = drives_table[index].bdrv;
1005 floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd);
1007 cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device, hd);
1009 if (pci_enabled && usb_enabled) {
1010 usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
1013 if (pci_enabled && acpi_enabled) {
1014 uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
1017 /* TODO: Populate SPD eeprom data. */
1018 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, i8259[9]);
1019 for (i = 0; i < 8; i++) {
1020 smbus_eeprom_device_init(smbus, 0x50 + i, eeprom_buf + (i * 256));
1025 i440fx_init_memory_mappings(i440fx_state);
1033 max_bus = drive_get_max_bus(IF_SCSI);
1035 for (bus = 0; bus <= max_bus; bus++) {
1036 scsi = lsi_scsi_init(pci_bus, -1);
1037 for (unit = 0; unit < LSI_MAX_DEVS; unit++) {
1038 index = drive_get_index(IF_SCSI, bus, unit);
1041 lsi_scsi_attach(scsi, drives_table[index].bdrv, unit);
1047 static void pc_init_pci(ram_addr_t ram_size, int vga_ram_size,
1048 const char *boot_device, DisplayState *ds,
1049 const char *kernel_filename,
1050 const char *kernel_cmdline,
1051 const char *initrd_filename,
1052 const char *cpu_model)
1054 pc_init1(ram_size, vga_ram_size, boot_device, ds,
1055 kernel_filename, kernel_cmdline,
1056 initrd_filename, 1, cpu_model);
1059 static void pc_init_isa(ram_addr_t ram_size, int vga_ram_size,
1060 const char *boot_device, DisplayState *ds,
1061 const char *kernel_filename,
1062 const char *kernel_cmdline,
1063 const char *initrd_filename,
1064 const char *cpu_model)
1066 pc_init1(ram_size, vga_ram_size, boot_device, ds,
1067 kernel_filename, kernel_cmdline,
1068 initrd_filename, 0, cpu_model);
1071 QEMUMachine pc_machine = {
1075 VGA_RAM_SIZE + PC_MAX_BIOS_SIZE,
1078 QEMUMachine isapc_machine = {
1082 VGA_RAM_SIZE + PC_MAX_BIOS_SIZE,