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 "vmware_vga.h"
33 #include "hpet_emul.h"
37 #include "multiboot.h"
38 #include "mc146818rtc.h"
48 #include "hw/block-common.h"
49 #include "ui/qemu-spice.h"
51 #include "exec-memory.h"
52 #include "arch_init.h"
57 #include "../tizen/src/hw/maru_overlay.h"
58 #include "../tizen/src/hw/maru_brightness.h"
59 #include "../tizen/src/maru_err_table.h"
62 /* output Bochs bios info messages */
65 /* debug PC/ISA interrupts */
69 #define DPRINTF(fmt, ...) \
70 do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0)
72 #define DPRINTF(fmt, ...)
75 /* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
76 #define ACPI_DATA_SIZE 0x10000
77 #define BIOS_CFG_IOPORT 0x510
78 #define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0)
79 #define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1)
80 #define FW_CFG_IRQ0_OVERRIDE (FW_CFG_ARCH_LOCAL + 2)
81 #define FW_CFG_E820_TABLE (FW_CFG_ARCH_LOCAL + 3)
82 #define FW_CFG_HPET (FW_CFG_ARCH_LOCAL + 4)
84 #define MSI_ADDR_BASE 0xfee00000
86 #define E820_NR_ENTRIES 16
92 } QEMU_PACKED __attribute((__aligned__(4)));
96 struct e820_entry entry[E820_NR_ENTRIES];
97 } QEMU_PACKED __attribute((__aligned__(4)));
99 static struct e820_table e820_table;
100 struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};
102 void gsi_handler(void *opaque, int n, int level)
104 GSIState *s = opaque;
106 DPRINTF("pc: %s GSI %d\n", level ? "raising" : "lowering", n);
107 if (n < ISA_NUM_IRQS) {
108 qemu_set_irq(s->i8259_irq[n], level);
110 qemu_set_irq(s->ioapic_irq[n], level);
113 static void ioport80_write(void *opaque, uint32_t addr, uint32_t data)
117 /* MSDOS compatibility mode FPU exception support */
118 static qemu_irq ferr_irq;
120 void pc_register_ferr_irq(qemu_irq irq)
125 /* XXX: add IGNNE support */
126 void cpu_set_ferr(CPUX86State *s)
128 qemu_irq_raise(ferr_irq);
131 static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data)
133 qemu_irq_lower(ferr_irq);
137 uint64_t cpu_get_tsc(CPUX86State *env)
139 return cpu_get_ticks();
144 static cpu_set_smm_t smm_set;
145 static void *smm_arg;
147 void cpu_smm_register(cpu_set_smm_t callback, void *arg)
149 assert(smm_set == NULL);
150 assert(smm_arg == NULL);
155 void cpu_smm_update(CPUX86State *env)
157 if (smm_set && smm_arg && env == first_cpu)
158 smm_set(!!(env->hflags & HF_SMM_MASK), smm_arg);
163 int cpu_get_pic_interrupt(CPUX86State *env)
167 intno = apic_get_interrupt(env->apic_state);
171 /* read the irq from the PIC */
172 if (!apic_accept_pic_intr(env->apic_state)) {
176 intno = pic_read_irq(isa_pic);
180 static void pic_irq_request(void *opaque, int irq, int level)
182 CPUX86State *env = first_cpu;
184 DPRINTF("pic_irqs: %s irq %d\n", level? "raise" : "lower", irq);
185 if (env->apic_state) {
187 if (apic_accept_pic_intr(env->apic_state)) {
188 apic_deliver_pic_intr(env->apic_state, level);
194 cpu_interrupt(env, CPU_INTERRUPT_HARD);
196 cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
200 /* PC cmos mappings */
202 #define REG_EQUIPMENT_BYTE 0x14
204 static int cmos_get_fd_drive_type(FDriveType fd0)
210 /* 1.44 Mb 3"5 drive */
214 /* 2.88 Mb 3"5 drive */
218 /* 1.2 Mb 5"5 drive */
221 case FDRIVE_DRV_NONE:
229 static void cmos_init_hd(ISADevice *s, int type_ofs, int info_ofs,
230 int16_t cylinders, int8_t heads, int8_t sectors)
232 rtc_set_memory(s, type_ofs, 47);
233 rtc_set_memory(s, info_ofs, cylinders);
234 rtc_set_memory(s, info_ofs + 1, cylinders >> 8);
235 rtc_set_memory(s, info_ofs + 2, heads);
236 rtc_set_memory(s, info_ofs + 3, 0xff);
237 rtc_set_memory(s, info_ofs + 4, 0xff);
238 rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3));
239 rtc_set_memory(s, info_ofs + 6, cylinders);
240 rtc_set_memory(s, info_ofs + 7, cylinders >> 8);
241 rtc_set_memory(s, info_ofs + 8, sectors);
244 /* convert boot_device letter to something recognizable by the bios */
245 static int boot_device2nibble(char boot_device)
247 switch(boot_device) {
250 return 0x01; /* floppy boot */
252 return 0x02; /* hard drive boot */
254 return 0x03; /* CD-ROM boot */
256 return 0x04; /* Network boot */
261 static int set_boot_dev(ISADevice *s, const char *boot_device, int fd_bootchk)
263 #define PC_MAX_BOOT_DEVICES 3
264 int nbds, bds[3] = { 0, };
267 nbds = strlen(boot_device);
268 if (nbds > PC_MAX_BOOT_DEVICES) {
269 error_report("Too many boot devices for PC");
272 for (i = 0; i < nbds; i++) {
273 bds[i] = boot_device2nibble(boot_device[i]);
275 error_report("Invalid boot device for PC: '%c'",
280 rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]);
281 rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ? 0x0 : 0x1));
285 static int pc_boot_set(void *opaque, const char *boot_device)
287 return set_boot_dev(opaque, boot_device, 0);
290 typedef struct pc_cmos_init_late_arg {
291 ISADevice *rtc_state;
293 } pc_cmos_init_late_arg;
295 static void pc_cmos_init_late(void *opaque)
297 pc_cmos_init_late_arg *arg = opaque;
298 ISADevice *s = arg->rtc_state;
300 int8_t heads, sectors;
305 if (ide_get_geometry(arg->idebus[0], 0,
306 &cylinders, &heads, §ors) >= 0) {
307 cmos_init_hd(s, 0x19, 0x1b, cylinders, heads, sectors);
310 if (ide_get_geometry(arg->idebus[0], 1,
311 &cylinders, &heads, §ors) >= 0) {
312 cmos_init_hd(s, 0x1a, 0x24, cylinders, heads, sectors);
315 rtc_set_memory(s, 0x12, val);
318 for (i = 0; i < 4; i++) {
319 /* NOTE: ide_get_geometry() returns the physical
320 geometry. It is always such that: 1 <= sects <= 63, 1
321 <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
322 geometry can be different if a translation is done. */
323 if (ide_get_geometry(arg->idebus[i / 2], i % 2,
324 &cylinders, &heads, §ors) >= 0) {
325 trans = ide_get_bios_chs_trans(arg->idebus[i / 2], i % 2) - 1;
326 assert((trans & ~3) == 0);
327 val |= trans << (i * 2);
330 rtc_set_memory(s, 0x39, val);
332 qemu_unregister_reset(pc_cmos_init_late, opaque);
335 void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
336 const char *boot_device,
337 ISADevice *floppy, BusState *idebus0, BusState *idebus1,
341 FDriveType fd_type[2] = { FDRIVE_DRV_NONE, FDRIVE_DRV_NONE };
342 static pc_cmos_init_late_arg arg;
344 /* various important CMOS locations needed by PC/Bochs bios */
347 /* base memory (first MiB) */
348 val = MIN(ram_size / 1024, 640);
349 rtc_set_memory(s, 0x15, val);
350 rtc_set_memory(s, 0x16, val >> 8);
351 /* extended memory (next 64MiB) */
352 if (ram_size > 1024 * 1024) {
353 val = (ram_size - 1024 * 1024) / 1024;
359 rtc_set_memory(s, 0x17, val);
360 rtc_set_memory(s, 0x18, val >> 8);
361 rtc_set_memory(s, 0x30, val);
362 rtc_set_memory(s, 0x31, val >> 8);
363 /* memory between 16MiB and 4GiB */
364 if (ram_size > 16 * 1024 * 1024) {
365 val = (ram_size - 16 * 1024 * 1024) / 65536;
371 rtc_set_memory(s, 0x34, val);
372 rtc_set_memory(s, 0x35, val >> 8);
373 /* memory above 4GiB */
374 val = above_4g_mem_size / 65536;
375 rtc_set_memory(s, 0x5b, val);
376 rtc_set_memory(s, 0x5c, val >> 8);
377 rtc_set_memory(s, 0x5d, val >> 16);
379 /* set the number of CPU */
380 rtc_set_memory(s, 0x5f, smp_cpus - 1);
382 /* set boot devices, and disable floppy signature check if requested */
383 if (set_boot_dev(s, boot_device, fd_bootchk)) {
389 for (i = 0; i < 2; i++) {
390 fd_type[i] = isa_fdc_get_drive_type(floppy, i);
393 val = (cmos_get_fd_drive_type(fd_type[0]) << 4) |
394 cmos_get_fd_drive_type(fd_type[1]);
395 rtc_set_memory(s, 0x10, val);
399 if (fd_type[0] < FDRIVE_DRV_NONE) {
402 if (fd_type[1] < FDRIVE_DRV_NONE) {
409 val |= 0x01; /* 1 drive, ready for boot */
412 val |= 0x41; /* 2 drives, ready for boot */
415 val |= 0x02; /* FPU is there */
416 val |= 0x04; /* PS/2 mouse installed */
417 rtc_set_memory(s, REG_EQUIPMENT_BYTE, val);
421 arg.idebus[0] = idebus0;
422 arg.idebus[1] = idebus1;
423 qemu_register_reset(pc_cmos_init_late, &arg);
426 /* port 92 stuff: could be split off */
427 typedef struct Port92State {
434 static void port92_write(void *opaque, uint32_t addr, uint32_t val)
436 Port92State *s = opaque;
438 DPRINTF("port92: write 0x%02x\n", val);
440 qemu_set_irq(*s->a20_out, (val >> 1) & 1);
442 qemu_system_reset_request();
446 static uint32_t port92_read(void *opaque, uint32_t addr)
448 Port92State *s = opaque;
452 DPRINTF("port92: read 0x%02x\n", ret);
456 static void port92_init(ISADevice *dev, qemu_irq *a20_out)
458 Port92State *s = DO_UPCAST(Port92State, dev, dev);
460 s->a20_out = a20_out;
463 static const VMStateDescription vmstate_port92_isa = {
466 .minimum_version_id = 1,
467 .minimum_version_id_old = 1,
468 .fields = (VMStateField []) {
469 VMSTATE_UINT8(outport, Port92State),
470 VMSTATE_END_OF_LIST()
474 static void port92_reset(DeviceState *d)
476 Port92State *s = container_of(d, Port92State, dev.qdev);
481 static const MemoryRegionPortio port92_portio[] = {
482 { 0, 1, 1, .read = port92_read, .write = port92_write },
483 PORTIO_END_OF_LIST(),
486 static const MemoryRegionOps port92_ops = {
487 .old_portio = port92_portio
490 static int port92_initfn(ISADevice *dev)
492 Port92State *s = DO_UPCAST(Port92State, dev, dev);
494 memory_region_init_io(&s->io, &port92_ops, s, "port92", 1);
495 isa_register_ioport(dev, &s->io, 0x92);
501 static void port92_class_initfn(ObjectClass *klass, void *data)
503 DeviceClass *dc = DEVICE_CLASS(klass);
504 ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
505 ic->init = port92_initfn;
507 dc->reset = port92_reset;
508 dc->vmsd = &vmstate_port92_isa;
511 static TypeInfo port92_info = {
513 .parent = TYPE_ISA_DEVICE,
514 .instance_size = sizeof(Port92State),
515 .class_init = port92_class_initfn,
518 static void port92_register_types(void)
520 type_register_static(&port92_info);
523 type_init(port92_register_types)
525 static void handle_a20_line_change(void *opaque, int irq, int level)
527 CPUX86State *cpu = opaque;
529 /* XXX: send to all CPUs ? */
530 /* XXX: add logic to handle multiple A20 line sources */
531 cpu_x86_set_a20(cpu, level);
534 /***********************************************************/
535 /* Bochs BIOS debug ports */
537 static void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
539 static const char shutdown_str[8] = "Shutdown";
540 static int shutdown_index = 0;
543 /* Bochs BIOS messages */
546 /* used to be panic, now unused */
551 fprintf(stderr, "%c", val);
555 /* same as Bochs power off */
556 if (val == shutdown_str[shutdown_index]) {
558 if (shutdown_index == 8) {
560 qemu_system_shutdown_request();
567 /* LGPL'ed VGA BIOS messages */
570 exit((val << 1) | 1);
574 fprintf(stderr, "%c", val);
580 int e820_add_entry(uint64_t address, uint64_t length, uint32_t type)
582 int index = le32_to_cpu(e820_table.count);
583 struct e820_entry *entry;
585 if (index >= E820_NR_ENTRIES)
587 entry = &e820_table.entry[index++];
589 entry->address = cpu_to_le64(address);
590 entry->length = cpu_to_le64(length);
591 entry->type = cpu_to_le32(type);
593 e820_table.count = cpu_to_le32(index);
597 static void *bochs_bios_init(void)
600 uint8_t *smbios_table;
602 uint64_t *numa_fw_cfg;
605 register_ioport_write(0x400, 1, 2, bochs_bios_write, NULL);
606 register_ioport_write(0x401, 1, 2, bochs_bios_write, NULL);
607 register_ioport_write(0x402, 1, 1, bochs_bios_write, NULL);
608 register_ioport_write(0x403, 1, 1, bochs_bios_write, NULL);
609 register_ioport_write(0x8900, 1, 1, bochs_bios_write, NULL);
611 register_ioport_write(0x501, 1, 1, bochs_bios_write, NULL);
612 register_ioport_write(0x501, 1, 2, bochs_bios_write, NULL);
613 register_ioport_write(0x502, 1, 2, bochs_bios_write, NULL);
614 register_ioport_write(0x500, 1, 1, bochs_bios_write, NULL);
615 register_ioport_write(0x503, 1, 1, bochs_bios_write, NULL);
617 fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
619 fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
620 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
621 fw_cfg_add_bytes(fw_cfg, FW_CFG_ACPI_TABLES, (uint8_t *)acpi_tables,
623 fw_cfg_add_i32(fw_cfg, FW_CFG_IRQ0_OVERRIDE, kvm_allows_irq0_override());
625 smbios_table = smbios_get_table(&smbios_len);
627 fw_cfg_add_bytes(fw_cfg, FW_CFG_SMBIOS_ENTRIES,
628 smbios_table, smbios_len);
629 fw_cfg_add_bytes(fw_cfg, FW_CFG_E820_TABLE, (uint8_t *)&e820_table,
630 sizeof(struct e820_table));
632 fw_cfg_add_bytes(fw_cfg, FW_CFG_HPET, (uint8_t *)&hpet_cfg,
633 sizeof(struct hpet_fw_config));
634 /* allocate memory for the NUMA channel: one (64bit) word for the number
635 * of nodes, one word for each VCPU->node and one word for each node to
636 * hold the amount of memory.
638 numa_fw_cfg = g_malloc0((1 + max_cpus + nb_numa_nodes) * 8);
639 numa_fw_cfg[0] = cpu_to_le64(nb_numa_nodes);
640 for (i = 0; i < max_cpus; i++) {
641 for (j = 0; j < nb_numa_nodes; j++) {
642 if (test_bit(i, node_cpumask[j])) {
643 numa_fw_cfg[i + 1] = cpu_to_le64(j);
648 for (i = 0; i < nb_numa_nodes; i++) {
649 numa_fw_cfg[max_cpus + 1 + i] = cpu_to_le64(node_mem[i]);
651 fw_cfg_add_bytes(fw_cfg, FW_CFG_NUMA, (uint8_t *)numa_fw_cfg,
652 (1 + max_cpus + nb_numa_nodes) * 8);
657 static long get_file_size(FILE *f)
661 /* XXX: on Unix systems, using fstat() probably makes more sense */
664 fseek(f, 0, SEEK_END);
666 fseek(f, where, SEEK_SET);
671 static void load_linux(void *fw_cfg,
672 const char *kernel_filename,
673 const char *initrd_filename,
674 const char *kernel_cmdline,
675 target_phys_addr_t max_ram_size)
678 int setup_size, kernel_size, initrd_size = 0, cmdline_size;
680 uint8_t header[8192], *setup, *kernel, *initrd_data;
681 target_phys_addr_t real_addr, prot_addr, cmdline_addr, initrd_addr = 0;
685 /* Align to 16 bytes as a paranoia measure */
686 cmdline_size = (strlen(kernel_cmdline)+16) & ~15;
688 /* load the kernel header */
689 f = fopen(kernel_filename, "rb");
690 if (!f || !(kernel_size = get_file_size(f)) ||
691 fread(header, 1, MIN(ARRAY_SIZE(header), kernel_size), f) !=
692 MIN(ARRAY_SIZE(header), kernel_size)) {
693 fprintf(stderr, "qemu: could not load kernel '%s': %s\n",
694 kernel_filename, strerror(errno));
697 char *error_msg = NULL;
699 error_msg = maru_convert_path(error_msg, kernel_filename);
700 maru_register_exit_msg(MARU_EXIT_KERNEL_FILE_EXCEPTION, error_msg);
709 /* kernel protocol version */
711 fprintf(stderr, "header magic: %#x\n", ldl_p(header+0x202));
713 if (ldl_p(header+0x202) == 0x53726448)
714 protocol = lduw_p(header+0x206);
716 /* This looks like a multiboot kernel. If it is, let's stop
717 treating it like a Linux kernel. */
718 if (load_multiboot(fw_cfg, f, kernel_filename, initrd_filename,
719 kernel_cmdline, kernel_size, header))
724 if (protocol < 0x200 || !(header[0x211] & 0x01)) {
727 cmdline_addr = 0x9a000 - cmdline_size;
729 } else if (protocol < 0x202) {
730 /* High but ancient kernel */
732 cmdline_addr = 0x9a000 - cmdline_size;
733 prot_addr = 0x100000;
735 /* High and recent kernel */
737 cmdline_addr = 0x20000;
738 prot_addr = 0x100000;
743 "qemu: real_addr = 0x" TARGET_FMT_plx "\n"
744 "qemu: cmdline_addr = 0x" TARGET_FMT_plx "\n"
745 "qemu: prot_addr = 0x" TARGET_FMT_plx "\n",
751 /* highest address for loading the initrd */
752 if (protocol >= 0x203)
753 initrd_max = ldl_p(header+0x22c);
755 initrd_max = 0x37ffffff;
757 if (initrd_max >= max_ram_size-ACPI_DATA_SIZE)
758 initrd_max = max_ram_size-ACPI_DATA_SIZE-1;
760 fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_ADDR, cmdline_addr);
761 fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, strlen(kernel_cmdline)+1);
762 fw_cfg_add_bytes(fw_cfg, FW_CFG_CMDLINE_DATA,
763 (uint8_t*)strdup(kernel_cmdline),
764 strlen(kernel_cmdline)+1);
766 if (protocol >= 0x202) {
767 stl_p(header+0x228, cmdline_addr);
769 stw_p(header+0x20, 0xA33F);
770 stw_p(header+0x22, cmdline_addr-real_addr);
773 /* handle vga= parameter */
774 vmode = strstr(kernel_cmdline, "vga=");
776 unsigned int video_mode;
779 if (!strncmp(vmode, "normal", 6)) {
781 } else if (!strncmp(vmode, "ext", 3)) {
783 } else if (!strncmp(vmode, "ask", 3)) {
786 video_mode = strtol(vmode, NULL, 0);
788 stw_p(header+0x1fa, video_mode);
792 /* High nybble = B reserved for QEMU; low nybble is revision number.
793 If this code is substantially changed, you may want to consider
794 incrementing the revision. */
795 if (protocol >= 0x200)
796 header[0x210] = 0xB0;
799 if (protocol >= 0x201) {
800 header[0x211] |= 0x80; /* CAN_USE_HEAP */
801 stw_p(header+0x224, cmdline_addr-real_addr-0x200);
805 if (initrd_filename) {
806 if (protocol < 0x200) {
807 fprintf(stderr, "qemu: linux kernel too old to load a ram disk\n");
811 initrd_size = get_image_size(initrd_filename);
812 if (initrd_size < 0) {
813 fprintf(stderr, "qemu: error reading initrd %s\n",
818 initrd_addr = (initrd_max-initrd_size) & ~4095;
820 initrd_data = g_malloc(initrd_size);
821 load_image(initrd_filename, initrd_data);
823 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
824 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
825 fw_cfg_add_bytes(fw_cfg, FW_CFG_INITRD_DATA, initrd_data, initrd_size);
827 stl_p(header+0x218, initrd_addr);
828 stl_p(header+0x21c, initrd_size);
831 /* load kernel and setup */
832 setup_size = header[0x1f1];
835 setup_size = (setup_size+1)*512;
836 kernel_size -= setup_size;
838 setup = g_malloc(setup_size);
839 kernel = g_malloc(kernel_size);
840 fseek(f, 0, SEEK_SET);
841 if (fread(setup, 1, setup_size, f) != setup_size) {
842 fprintf(stderr, "fread() failed\n");
845 if (fread(kernel, 1, kernel_size, f) != kernel_size) {
846 fprintf(stderr, "fread() failed\n");
850 memcpy(setup, header, MIN(sizeof(header), setup_size));
852 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, prot_addr);
853 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
854 fw_cfg_add_bytes(fw_cfg, FW_CFG_KERNEL_DATA, kernel, kernel_size);
856 fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_ADDR, real_addr);
857 fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_SIZE, setup_size);
858 fw_cfg_add_bytes(fw_cfg, FW_CFG_SETUP_DATA, setup, setup_size);
860 option_rom[nb_option_roms].name = "linuxboot.bin";
861 option_rom[nb_option_roms].bootindex = 0;
865 #define NE2000_NB_MAX 6
867 static const int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360,
869 static const int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
871 static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
872 static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
874 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd)
876 static int nb_ne2k = 0;
878 if (nb_ne2k == NE2000_NB_MAX)
880 isa_ne2000_init(bus, ne2000_io[nb_ne2k],
881 ne2000_irq[nb_ne2k], nd);
885 DeviceState *cpu_get_current_apic(void)
887 if (cpu_single_env) {
888 return cpu_single_env->apic_state;
894 static DeviceState *apic_init(void *env, uint8_t apic_id)
897 static int apic_mapped;
899 if (kvm_irqchip_in_kernel()) {
900 dev = qdev_create(NULL, "kvm-apic");
901 } else if (xen_enabled()) {
902 dev = qdev_create(NULL, "xen-apic");
904 dev = qdev_create(NULL, "apic");
907 qdev_prop_set_uint8(dev, "id", apic_id);
908 qdev_prop_set_ptr(dev, "cpu_env", env);
909 qdev_init_nofail(dev);
911 /* XXX: mapping more APICs at the same memory location */
912 if (apic_mapped == 0) {
913 /* NOTE: the APIC is directly connected to the CPU - it is not
914 on the global memory bus. */
915 /* XXX: what if the base changes? */
916 sysbus_mmio_map(sysbus_from_qdev(dev), 0, MSI_ADDR_BASE);
923 void pc_acpi_smi_interrupt(void *opaque, int irq, int level)
925 CPUX86State *s = opaque;
928 cpu_interrupt(s, CPU_INTERRUPT_SMI);
932 static X86CPU *pc_new_cpu(const char *cpu_model)
937 cpu = cpu_x86_init(cpu_model);
939 fprintf(stderr, "Unable to find x86 CPU definition\n");
943 if ((env->cpuid_features & CPUID_APIC) || smp_cpus > 1) {
944 env->apic_state = apic_init(env, env->cpuid_apic_id);
950 void pc_cpus_init(const char *cpu_model)
955 if (cpu_model == NULL) {
957 cpu_model = "qemu64";
959 cpu_model = "qemu32";
963 for(i = 0; i < smp_cpus; i++) {
964 pc_new_cpu(cpu_model);
968 void *pc_memory_init(MemoryRegion *system_memory,
969 const char *kernel_filename,
970 const char *kernel_cmdline,
971 const char *initrd_filename,
972 ram_addr_t below_4g_mem_size,
973 ram_addr_t above_4g_mem_size,
974 MemoryRegion *rom_memory,
975 MemoryRegion **ram_memory)
978 MemoryRegion *ram, *option_rom_mr;
979 MemoryRegion *ram_below_4g, *ram_above_4g;
982 linux_boot = (kernel_filename != NULL);
984 /* Allocate RAM. We allocate it as a single memory region and use
985 * aliases to address portions of it, mostly for backwards compatibility
986 * with older qemus that used qemu_ram_alloc().
988 ram = g_malloc(sizeof(*ram));
989 memory_region_init_ram(ram, "pc.ram",
990 below_4g_mem_size + above_4g_mem_size);
991 vmstate_register_ram_global(ram);
993 ram_below_4g = g_malloc(sizeof(*ram_below_4g));
994 memory_region_init_alias(ram_below_4g, "ram-below-4g", ram,
995 0, below_4g_mem_size);
996 memory_region_add_subregion(system_memory, 0, ram_below_4g);
997 if (above_4g_mem_size > 0) {
998 ram_above_4g = g_malloc(sizeof(*ram_above_4g));
999 memory_region_init_alias(ram_above_4g, "ram-above-4g", ram,
1000 below_4g_mem_size, above_4g_mem_size);
1001 memory_region_add_subregion(system_memory, 0x100000000ULL,
1006 /* Initialize PC system firmware */
1007 pc_system_firmware_init(rom_memory);
1009 option_rom_mr = g_malloc(sizeof(*option_rom_mr));
1010 memory_region_init_ram(option_rom_mr, "pc.rom", PC_ROM_SIZE);
1011 vmstate_register_ram_global(option_rom_mr);
1012 memory_region_add_subregion_overlap(rom_memory,
1017 fw_cfg = bochs_bios_init();
1021 load_linux(fw_cfg, kernel_filename, initrd_filename, kernel_cmdline, below_4g_mem_size);
1024 for (i = 0; i < nb_option_roms; i++) {
1025 rom_add_option(option_rom[i].name, option_rom[i].bootindex);
1030 qemu_irq *pc_allocate_cpu_irq(void)
1032 return qemu_allocate_irqs(pic_irq_request, NULL, 1);
1035 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus)
1037 DeviceState *dev = NULL;
1039 if (cirrus_vga_enabled) {
1041 dev = pci_cirrus_vga_init(pci_bus);
1043 dev = &isa_create_simple(isa_bus, "isa-cirrus-vga")->qdev;
1045 } else if (vmsvga_enabled) {
1047 dev = pci_vmsvga_init(pci_bus);
1049 fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__);
1052 } else if (qxl_enabled) {
1054 dev = &pci_create_simple(pci_bus, -1, "qxl-vga")->qdev;
1056 fprintf(stderr, "%s: qxl: no PCI bus\n", __FUNCTION__);
1059 } else if (std_vga_enabled) {
1061 dev = pci_vga_init(pci_bus);
1063 dev = isa_vga_init(isa_bus);
1066 } else if (maru_vga_enabled) {
1068 dev = pci_maru_vga_init(pci_bus);
1069 pci_maru_overlay_init(pci_bus);
1070 pci_maru_brightness_init(pci_bus);
1072 dev = isa_vga_init(isa_bus);
1082 static void cpu_request_exit(void *opaque, int irq, int level)
1084 CPUX86State *env = cpu_single_env;
1091 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
1092 ISADevice **rtc_state,
1097 DriveInfo *fd[MAX_FD];
1098 DeviceState *hpet = NULL;
1099 int pit_isa_irq = 0;
1100 qemu_irq pit_alt_irq = NULL;
1101 qemu_irq rtc_irq = NULL;
1103 ISADevice *i8042, *port92, *vmmouse, *pit = NULL;
1104 qemu_irq *cpu_exit_irq;
1106 register_ioport_write(0x80, 1, 1, ioport80_write, NULL);
1108 register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL);
1111 * Check if an HPET shall be created.
1113 * Without KVM_CAP_PIT_STATE2, we cannot switch off the in-kernel PIT
1114 * when the HPET wants to take over. Thus we have to disable the latter.
1116 if (!no_hpet && (!kvm_irqchip_in_kernel() || kvm_has_pit_state2())) {
1117 hpet = sysbus_try_create_simple("hpet", HPET_BASE, NULL);
1120 for (i = 0; i < GSI_NUM_PINS; i++) {
1121 sysbus_connect_irq(sysbus_from_qdev(hpet), i, gsi[i]);
1124 pit_alt_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_PIT_INT);
1125 rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT);
1128 *rtc_state = rtc_init(isa_bus, 2000, rtc_irq);
1130 qemu_register_boot_set(pc_boot_set, *rtc_state);
1132 if (!xen_enabled()) {
1133 if (kvm_irqchip_in_kernel()) {
1134 pit = kvm_pit_init(isa_bus, 0x40);
1136 pit = pit_init(isa_bus, 0x40, pit_isa_irq, pit_alt_irq);
1139 /* connect PIT to output control line of the HPET */
1140 qdev_connect_gpio_out(hpet, 0, qdev_get_gpio_in(&pit->qdev, 0));
1142 pcspk_init(isa_bus, pit);
1145 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
1146 if (serial_hds[i]) {
1147 serial_isa_init(isa_bus, i, serial_hds[i]);
1151 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
1152 if (parallel_hds[i]) {
1153 parallel_init(isa_bus, i, parallel_hds[i]);
1157 a20_line = qemu_allocate_irqs(handle_a20_line_change, first_cpu, 2);
1158 i8042 = isa_create_simple(isa_bus, "i8042");
1159 i8042_setup_a20_line(i8042, &a20_line[0]);
1161 vmport_init(isa_bus);
1162 vmmouse = isa_try_create(isa_bus, "vmmouse");
1167 qdev_prop_set_ptr(&vmmouse->qdev, "ps2_mouse", i8042);
1168 qdev_init_nofail(&vmmouse->qdev);
1170 port92 = isa_create_simple(isa_bus, "port92");
1171 port92_init(port92, &a20_line[1]);
1173 cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
1174 DMA_init(0, cpu_exit_irq);
1176 for(i = 0; i < MAX_FD; i++) {
1177 fd[i] = drive_get(IF_FLOPPY, 0, i);
1179 *floppy = fdctrl_init_isa(isa_bus, fd);
1182 void pc_pci_device_init(PCIBus *pci_bus)
1187 max_bus = drive_get_max_bus(IF_SCSI);
1188 for (bus = 0; bus <= max_bus; bus++) {
1189 pci_create_simple(pci_bus, -1, "lsi53c895a");