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Add -drive parameter, by Laurent Vivier.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3759 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-12-02 04:51:10 +00:00
parent 7233b35557
commit e4bcb14c79
27 changed files with 875 additions and 317 deletions
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74
hw/pc.c
View file

@ -42,6 +42,8 @@
/* 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;
@ -381,8 +383,10 @@ static void generate_bootsect(uint32_t gpr[8], uint16_t segs[6], uint16_t ip)
{
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);
@ -391,7 +395,7 @@ static void generate_bootsect(uint32_t gpr[8], uint16_t segs[6], uint16_t ip)
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;
@ -428,7 +432,7 @@ static void generate_bootsect(uint32_t gpr[8], uint16_t segs[6], uint16_t ip)
*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));
}
static int load_kernel(const char *filename, uint8_t *addr,
@ -709,6 +713,9 @@ static void pc_init1(int ram_size, int vga_ram_size,
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);
@ -926,12 +933,25 @@ static void pc_init1(int ram_size, int 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]);
}
}
@ -941,9 +961,16 @@ static void pc_init1(int ram_size, int vga_ram_size,
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_piix3_init(pci_bus, piix3_devfn + 2);
@ -963,23 +990,24 @@ static void pc_init1(int ram_size, int vga_ram_size,
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) {
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);
if (pci_enabled) {
int max_bus;
int bus, unit;
void *scsi;
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,