/*
* QEMU PC System Emulator
- *
+ *
* Copyright (c) 2003-2004 Fabrice Bellard
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "vl.h"
+#include "hw.h"
+#include "pc.h"
+#include "fdc.h"
+#include "pci.h"
+#include "block.h"
+#include "sysemu.h"
+#include "audio/audio.h"
+#include "net.h"
+#include "smbus.h"
+#include "boards.h"
/* output Bochs bios info messages */
//#define DEBUG_BIOS
/* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */
#define ACPI_DATA_SIZE 0x10000
+#define MAX_IDE_BUS 2
+
static fdctrl_t *floppy_controller;
static RTCState *rtc_state;
static PITState *pit;
#if USE_KQEMU
if (env->kqemu_enabled) {
return cpu_get_real_ticks();
- } else
+ } else
#endif
{
return cpu_get_ticks();
if (intno >= 0) {
/* set irq request if a PIC irq is still pending */
/* XXX: improve that */
- pic_update_irq(isa_pic);
+ pic_update_irq(isa_pic);
return intno;
}
/* read the irq from the PIC */
+ if (!apic_accept_pic_intr(env))
+ return -1;
+
intno = pic_read_irq(isa_pic);
return intno;
}
static void pic_irq_request(void *opaque, int irq, int level)
{
CPUState *env = opaque;
- if (level)
+ if (level && apic_accept_pic_intr(env))
cpu_interrupt(env, CPU_INTERRUPT_HARD);
- else
- cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
}
/* PC cmos mappings */
return val;
}
-static void cmos_init_hd(int type_ofs, int info_ofs, BlockDriverState *hd)
+static void cmos_init_hd(int type_ofs, int info_ofs, BlockDriverState *hd)
{
RTCState *s = rtc_state;
int cylinders, heads, sectors;
rtc_set_memory(s, info_ofs + 8, sectors);
}
+/* convert boot_device letter to something recognizable by the bios */
+static int boot_device2nibble(char boot_device)
+{
+ switch(boot_device) {
+ case 'a':
+ case 'b':
+ return 0x01; /* floppy boot */
+ case 'c':
+ return 0x02; /* hard drive boot */
+ case 'd':
+ return 0x03; /* CD-ROM boot */
+ case 'n':
+ return 0x04; /* Network boot */
+ }
+ return 0;
+}
+
/* hd_table must contain 4 block drivers */
-static void cmos_init(int ram_size, int boot_device, BlockDriverState **hd_table)
+static void cmos_init(int ram_size, const char *boot_device, BlockDriverState **hd_table)
{
RTCState *s = rtc_state;
+ int nbds, bds[3] = { 0, };
int val;
int fd0, fd1, nb;
int i;
val = 65535;
rtc_set_memory(s, 0x34, val);
rtc_set_memory(s, 0x35, val >> 8);
-
- switch(boot_device) {
- case 'a':
- case 'b':
- rtc_set_memory(s, 0x3d, 0x01); /* floppy boot */
- if (!fd_bootchk)
- rtc_set_memory(s, 0x38, 0x01); /* disable signature check */
- break;
- default:
- case 'c':
- rtc_set_memory(s, 0x3d, 0x02); /* hard drive boot */
- break;
- case 'd':
- rtc_set_memory(s, 0x3d, 0x03); /* CD-ROM boot */
- break;
+
+ /* set boot devices, and disable floppy signature check if requested */
+#define PC_MAX_BOOT_DEVICES 3
+ nbds = strlen(boot_device);
+ if (nbds > PC_MAX_BOOT_DEVICES) {
+ fprintf(stderr, "Too many boot devices for PC\n");
+ exit(1);
+ }
+ for (i = 0; i < nbds; i++) {
+ bds[i] = boot_device2nibble(boot_device[i]);
+ if (bds[i] == 0) {
+ fprintf(stderr, "Invalid boot device for PC: '%c'\n",
+ boot_device[i]);
+ exit(1);
+ }
}
+ rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]);
+ rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ? 0x0 : 0x1));
/* floppy type */
val = (cmos_get_fd_drive_type(fd0) << 4) | cmos_get_fd_drive_type(fd1);
rtc_set_memory(s, 0x10, val);
-
+
val = 0;
nb = 0;
if (fd0 < 3)
rtc_set_memory(s, 0x12, (hd_table[0] ? 0xf0 : 0) | (hd_table[1] ? 0x0f : 0));
if (hd_table[0])
cmos_init_hd(0x19, 0x1b, hd_table[0]);
- if (hd_table[1])
+ if (hd_table[1])
cmos_init_hd(0x1a, 0x24, hd_table[1]);
val = 0;
/***********************************************************/
/* Bochs BIOS debug ports */
-void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
+static void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
{
static const char shutdown_str[8] = "Shutdown";
static int shutdown_index = 0;
-
+
switch(addr) {
/* Bochs BIOS messages */
case 0x400:
}
}
-void bochs_bios_init(void)
+static void bochs_bios_init(void)
{
register_ioport_write(0x400, 1, 2, bochs_bios_write, NULL);
register_ioport_write(0x401, 1, 2, bochs_bios_write, NULL);
{
uint8_t bootsect[512], *p;
int i;
+ int hda;
- if (bs_table[0] == NULL) {
+ hda = drive_get_index(IF_IDE, 0, 0);
+ if (hda == -1) {
fprintf(stderr, "A disk image must be given for 'hda' when booting "
"a Linux kernel\n");
exit(1);
memset(bootsect, 0, sizeof(bootsect));
/* Copy the MSDOS partition table if possible */
- bdrv_read(bs_table[0], 0, bootsect, 1);
+ bdrv_read(drives_table[hda].bdrv, 0, bootsect, 1);
/* Make sure we have a partition signature */
bootsect[510] = 0x55;
*p++ = segs[1]; /* CS */
*p++ = segs[1] >> 8;
- bdrv_set_boot_sector(bs_table[0], bootsect, sizeof(bootsect));
+ bdrv_set_boot_sector(drives_table[hda].bdrv, bootsect, sizeof(bootsect));
}
-int load_kernel(const char *filename, uint8_t *addr,
- uint8_t *real_addr)
+static int load_kernel(const char *filename, uint8_t *addr,
+ uint8_t *real_addr)
{
int fd, size;
int setup_sects;
setup_sects = real_addr[0x1F1];
if (!setup_sects)
setup_sects = 4;
- if (read(fd, real_addr + 512, setup_sects * 512) !=
+ if (read(fd, real_addr + 512, setup_sects * 512) !=
setup_sects * 512)
goto fail;
}
/* kernel protocol version */
+#if 0
fprintf(stderr, "header magic: %#x\n", ldl_p(header+0x202));
+#endif
if (ldl_p(header+0x202) == 0x53726448)
protocol = lduw_p(header+0x206);
else
prot_addr = phys_ram_base + 0x100000;
}
+#if 0
fprintf(stderr,
"qemu: real_addr = %#zx\n"
"qemu: cmdline_addr = %#zx\n"
real_addr-phys_ram_base,
cmdline_addr-phys_ram_base,
prot_addr-phys_ram_base);
+#endif
/* highest address for loading the initrd */
if (protocol >= 0x203)
}
/* PC hardware initialisation */
-static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
- DisplayState *ds, const char **fd_filename, int snapshot,
+static void pc_init1(int ram_size, int vga_ram_size,
+ const char *boot_device, DisplayState *ds,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename,
- int pci_enabled)
+ int pci_enabled, const char *cpu_model)
{
char buf[1024];
int ret, linux_boot, i;
NICInfo *nd;
qemu_irq *cpu_irq;
qemu_irq *i8259;
+ int index;
+ BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ BlockDriverState *fd[MAX_FD];
linux_boot = (kernel_filename != NULL);
/* init CPUs */
+ if (cpu_model == NULL) {
+#ifdef TARGET_X86_64
+ cpu_model = "qemu64";
+#else
+ cpu_model = "qemu32";
+#endif
+ }
+
for(i = 0; i < smp_cpus; i++) {
- env = cpu_init();
+ env = cpu_init(cpu_model);
+ if (!env) {
+ fprintf(stderr, "Unable to find x86 CPU definition\n");
+ exit(1);
+ }
if (i != 0)
env->hflags |= HF_HALTED_MASK;
if (smp_cpus > 1) {
if (pci_enabled) {
apic_init(env);
}
+ vmport_init(env);
}
/* allocate RAM */
vga_ram_addr = qemu_ram_alloc(vga_ram_size);
/* BIOS load */
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
+ if (bios_name == NULL)
+ bios_name = BIOS_FILENAME;
+ snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
bios_size = get_image_size(buf);
- if (bios_size <= 0 ||
+ if (bios_size <= 0 ||
(bios_size % 65536) != 0) {
goto bios_error;
}
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
}
vga_bios_size = get_image_size(buf);
- if (vga_bios_size <= 0 || vga_bios_size > 65536)
+ if (vga_bios_size <= 0 || vga_bios_size > 65536)
goto vga_bios_error;
vga_bios_offset = qemu_ram_alloc(65536);
}
/* setup basic memory access */
- cpu_register_physical_memory(0xc0000, 0x10000,
+ cpu_register_physical_memory(0xc0000, 0x10000,
vga_bios_offset | IO_MEM_ROM);
/* map the last 128KB of the BIOS in ISA space */
isa_bios_size = bios_size;
if (isa_bios_size > (128 * 1024))
isa_bios_size = 128 * 1024;
- cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size,
+ cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size,
IO_MEM_UNASSIGNED);
- cpu_register_physical_memory(0x100000 - isa_bios_size,
- isa_bios_size,
+ cpu_register_physical_memory(0x100000 - isa_bios_size,
+ isa_bios_size,
(bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM);
{
for (i = 0; i < nb_option_roms; i++) {
size = get_image_size(option_rom[i]);
if (size < 0) {
- fprintf(stderr, "Could not load option rom '%s'\n",
+ fprintf(stderr, "Could not load option rom '%s'\n",
option_rom[i]);
exit(1);
}
}
/* map all the bios at the top of memory */
- cpu_register_physical_memory((uint32_t)(-bios_size),
+ cpu_register_physical_memory((uint32_t)(-bios_size),
bios_size, bios_offset | IO_MEM_ROM);
-
+
bochs_bios_init();
if (linux_boot)
if (cirrus_vga_enabled) {
if (pci_enabled) {
- pci_cirrus_vga_init(pci_bus,
- ds, phys_ram_base + vga_ram_addr,
+ pci_cirrus_vga_init(pci_bus,
+ ds, phys_ram_base + vga_ram_addr,
vga_ram_addr, vga_ram_size);
} else {
- isa_cirrus_vga_init(ds, phys_ram_base + vga_ram_addr,
+ isa_cirrus_vga_init(ds, phys_ram_base + vga_ram_addr,
vga_ram_addr, vga_ram_size);
}
} else if (vmsvga_enabled) {
fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__);
} else {
if (pci_enabled) {
- pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
+ pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
vga_ram_addr, vga_ram_size, 0, 0);
} else {
- isa_vga_init(ds, phys_ram_base + vga_ram_addr,
+ isa_vga_init(ds, phys_ram_base + vga_ram_addr,
vga_ram_addr, vga_ram_size);
}
}
}
}
+ if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
+ fprintf(stderr, "qemu: too many IDE bus\n");
+ exit(1);
+ }
+
+ for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
+ index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
+ if (index != -1)
+ hd[i] = drives_table[index].bdrv;
+ else
+ hd[i] = NULL;
+ }
+
if (pci_enabled) {
- pci_piix3_ide_init(pci_bus, bs_table, piix3_devfn + 1, i8259);
+ pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1, i8259);
} else {
- for(i = 0; i < 2; i++) {
+ for(i = 0; i < MAX_IDE_BUS; i++) {
isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
- bs_table[2 * i], bs_table[2 * i + 1]);
+ hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
}
}
audio_init(pci_enabled ? pci_bus : NULL, i8259);
#endif
- floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd_table);
+ for(i = 0; i < MAX_FD; i++) {
+ index = drive_get_index(IF_FLOPPY, 0, i);
+ if (index != -1)
+ fd[i] = drives_table[index].bdrv;
+ else
+ fd[i] = NULL;
+ }
+ floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd);
- cmos_init(ram_size, boot_device, bs_table);
+ cmos_init(ram_size, boot_device, hd);
if (pci_enabled && usb_enabled) {
- usb_uhci_init(pci_bus, piix3_devfn + 2);
+ usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
}
if (pci_enabled && acpi_enabled) {
i2c_bus *smbus;
/* TODO: Populate SPD eeprom data. */
- smbus = piix4_pm_init(pci_bus, piix3_devfn + 3);
+ smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100);
for (i = 0; i < 8; i++) {
smbus_eeprom_device_init(smbus, 0x50 + i, eeprom_buf + (i * 256));
}
}
-
+
if (i440fx_state) {
i440fx_init_memory_mappings(i440fx_state);
}
-#if 0
- /* ??? Need to figure out some way for the user to
- specify SCSI devices. */
+
if (pci_enabled) {
+ int max_bus;
+ int bus, unit;
void *scsi;
- BlockDriverState *bdrv;
- scsi = lsi_scsi_init(pci_bus, -1);
- bdrv = bdrv_new("scsidisk");
- bdrv_open(bdrv, "scsi_disk.img", 0);
- lsi_scsi_attach(scsi, bdrv, -1);
- bdrv = bdrv_new("scsicd");
- bdrv_open(bdrv, "scsi_cd.iso", 0);
- bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
- lsi_scsi_attach(scsi, bdrv, -1);
+ max_bus = drive_get_max_bus(IF_SCSI);
+
+ for (bus = 0; bus <= max_bus; bus++) {
+ scsi = lsi_scsi_init(pci_bus, -1);
+ for (unit = 0; unit < LSI_MAX_DEVS; unit++) {
+ index = drive_get_index(IF_SCSI, bus, unit);
+ if (index == -1)
+ continue;
+ lsi_scsi_attach(scsi, drives_table[index].bdrv, unit);
+ }
+ }
}
-#endif
}
-static void pc_init_pci(int ram_size, int vga_ram_size, int boot_device,
- DisplayState *ds, const char **fd_filename,
- int snapshot,
- const char *kernel_filename,
+static void pc_init_pci(int ram_size, int vga_ram_size,
+ const char *boot_device, DisplayState *ds,
+ const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename,
const char *cpu_model)
{
- pc_init1(ram_size, vga_ram_size, boot_device,
- ds, fd_filename, snapshot,
+ pc_init1(ram_size, vga_ram_size, boot_device, ds,
kernel_filename, kernel_cmdline,
- initrd_filename, 1);
+ initrd_filename, 1, cpu_model);
}
-static void pc_init_isa(int ram_size, int vga_ram_size, int boot_device,
- DisplayState *ds, const char **fd_filename,
- int snapshot,
- const char *kernel_filename,
+static void pc_init_isa(int ram_size, int vga_ram_size,
+ const char *boot_device, DisplayState *ds,
+ const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename,
const char *cpu_model)
{
- pc_init1(ram_size, vga_ram_size, boot_device,
- ds, fd_filename, snapshot,
+ pc_init1(ram_size, vga_ram_size, boot_device, ds,
kernel_filename, kernel_cmdline,
- initrd_filename, 0);
+ initrd_filename, 0, cpu_model);
}
QEMUMachine pc_machine = {
projects / qemu.git / blobdiff