diff options
Diffstat (limited to 'hw/pc.c')
| -rw-r--r-- | hw/pc.c | 70 |
1 files changed, 49 insertions, 21 deletions
diff --git a/hw/pc.c b/hw/pc.c index 7049c44a12..5f79cda98f 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -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) { + 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, |