diff options
Diffstat (limited to 'hw/sun4m.c')
| -rw-r--r-- | hw/sun4m.c | 202 |
1 files changed, 201 insertions, 1 deletions
diff --git a/hw/sun4m.c b/hw/sun4m.c index 4edd311da2..aadac3759e 100644 --- a/hw/sun4m.c +++ b/hw/sun4m.c @@ -1,5 +1,5 @@ /* - * QEMU Sun4m & Sun4d System Emulator + * QEMU Sun4m & Sun4d & Sun4c System Emulator * * Copyright (c) 2003-2005 Fabrice Bellard * @@ -51,6 +51,13 @@ * SPARCcenter 2000 * SPARCserver 1000 * + * Sun4c architecture was used in the following machines: + * SPARCstation 1/1+, SPARCserver 1/1+ + * SPARCstation SLC + * SPARCstation IPC + * SPARCstation ELC + * SPARCstation IPX + * * See for example: http://www.sunhelp.org/faq/sunref1.html */ @@ -79,6 +86,7 @@ struct hwdef { target_phys_addr_t tcx_base, cs_base, power_base; target_phys_addr_t ecc_base; uint32_t ecc_version; + target_phys_addr_t sun4c_intctl_base, sun4c_counter_base; long vram_size, nvram_size; // IRQ numbers are not PIL ones, but master interrupt controller register // bit numbers @@ -521,6 +529,142 @@ static void sun4m_hw_init(const struct hwdef *hwdef, int RAM_size, ecc_init(hwdef->ecc_base, hwdef->ecc_version); } +static void sun4c_hw_init(const struct hwdef *hwdef, int RAM_size, + const char *boot_device, + DisplayState *ds, const char *kernel_filename, + const char *kernel_cmdline, + const char *initrd_filename, const char *cpu_model) +{ + CPUState *env; + unsigned int i; + void *iommu, *espdma, *ledma, *main_esp, *nvram; + qemu_irq *cpu_irqs, *slavio_irq, *espdma_irq, *ledma_irq; + qemu_irq *esp_reset, *le_reset; + unsigned long prom_offset, kernel_size; + int ret; + char buf[1024]; + BlockDriverState *fd[MAX_FD]; + int index; + + /* init CPU */ + if (!cpu_model) + cpu_model = hwdef->default_cpu_model; + + env = cpu_init(cpu_model); + if (!env) { + fprintf(stderr, "Unable to find Sparc CPU definition\n"); + exit(1); + } + + cpu_sparc_set_id(env, 0); + + qemu_register_reset(main_cpu_reset, env); + register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); + cpu_irqs = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS); + + /* allocate RAM */ + if ((uint64_t)RAM_size > hwdef->max_mem) { + fprintf(stderr, "qemu: Too much memory for this machine: %d, maximum %d\n", + (unsigned int)RAM_size / (1024 * 1024), + (unsigned int)hwdef->max_mem / (1024 * 1024)); + exit(1); + } + cpu_register_physical_memory(0, RAM_size, 0); + + /* load boot prom */ + prom_offset = RAM_size + hwdef->vram_size; + cpu_register_physical_memory(hwdef->slavio_base, + (PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) & + TARGET_PAGE_MASK, + prom_offset | IO_MEM_ROM); + + if (bios_name == NULL) + bios_name = PROM_FILENAME; + snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); + ret = load_elf(buf, hwdef->slavio_base - PROM_VADDR, NULL, NULL, NULL); + if (ret < 0 || ret > PROM_SIZE_MAX) + ret = load_image(buf, phys_ram_base + prom_offset); + if (ret < 0 || ret > PROM_SIZE_MAX) { + fprintf(stderr, "qemu: could not load prom '%s'\n", + buf); + exit(1); + } + prom_offset += (ret + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK; + + /* set up devices */ + slavio_intctl = sun4c_intctl_init(hwdef->sun4c_intctl_base, + &slavio_irq, cpu_irqs); + + iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version); + + espdma = sparc32_dma_init(hwdef->dma_base, slavio_irq[hwdef->esp_irq], + iommu, &espdma_irq, &esp_reset); + + ledma = sparc32_dma_init(hwdef->dma_base + 16ULL, + slavio_irq[hwdef->le_irq], iommu, &ledma_irq, + &le_reset); + + if (graphic_depth != 8 && graphic_depth != 24) { + fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth); + exit (1); + } + tcx_init(ds, hwdef->tcx_base, phys_ram_base + RAM_size, RAM_size, + hwdef->vram_size, graphic_width, graphic_height, graphic_depth); + + if (nd_table[0].model == NULL + || strcmp(nd_table[0].model, "lance") == 0) { + lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset); + } else if (strcmp(nd_table[0].model, "?") == 0) { + fprintf(stderr, "qemu: Supported NICs: lance\n"); + exit (1); + } else { + fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model); + exit (1); + } + + nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0, + hwdef->nvram_size, 8); + + slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[hwdef->ms_kb_irq], + nographic); + // Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device + // Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device + slavio_serial_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq], + serial_hds[1], serial_hds[0]); + + if (hwdef->fd_base != (target_phys_addr_t)-1) { + /* there is zero or one floppy drive */ + fd[1] = fd[0] = NULL; + index = drive_get_index(IF_FLOPPY, 0, 0); + if (index != -1) + fd[0] = drives_table[index].bdrv; + + sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd); + } + + if (drive_get_max_bus(IF_SCSI) > 0) { + fprintf(stderr, "qemu: too many SCSI bus\n"); + exit(1); + } + + main_esp = esp_init(hwdef->esp_base, espdma, *espdma_irq, + esp_reset); + + for (i = 0; i < ESP_MAX_DEVS; i++) { + index = drive_get_index(IF_SCSI, 0, i); + if (index == -1) + continue; + esp_scsi_attach(main_esp, drives_table[index].bdrv, i); + } + + kernel_size = sun4m_load_kernel(kernel_filename, kernel_cmdline, + initrd_filename); + + nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline, + boot_device, RAM_size, kernel_size, graphic_width, + graphic_height, graphic_depth, hwdef->machine_id, "Sun4c"); +} + static const struct hwdef hwdefs[] = { /* SS-5 */ { @@ -540,6 +684,8 @@ static const struct hwdef hwdefs[] = { .le_base = 0x78c00000, .power_base = 0x7a000000, .ecc_base = -1, + .sun4c_intctl_base = -1, + .sun4c_counter_base = -1, .vram_size = 0x00100000, .nvram_size = 0x2000, .esp_irq = 18, @@ -579,6 +725,8 @@ static const struct hwdef hwdefs[] = { .power_base = 0xefa000000ULL, .ecc_base = 0xf00000000ULL, .ecc_version = 0x10000000, // version 0, implementation 1 + .sun4c_intctl_base = -1, + .sun4c_counter_base = -1, .vram_size = 0x00100000, .nvram_size = 0x2000, .esp_irq = 18, @@ -618,6 +766,8 @@ static const struct hwdef hwdefs[] = { .power_base = 0xefa000000ULL, .ecc_base = 0xf00000000ULL, .ecc_version = 0x00000000, // version 0, implementation 0 + .sun4c_intctl_base = -1, + .sun4c_counter_base = -1, .vram_size = 0x00100000, .nvram_size = 0x2000, .esp_irq = 18, @@ -657,6 +807,8 @@ static const struct hwdef hwdefs[] = { .power_base = 0xefa000000ULL, .ecc_base = 0xf00000000ULL, .ecc_version = 0x20000000, // version 0, implementation 2 + .sun4c_intctl_base = -1, + .sun4c_counter_base = -1, .vram_size = 0x00100000, .nvram_size = 0x2000, .esp_irq = 18, @@ -677,6 +829,39 @@ static const struct hwdef hwdefs[] = { .max_mem = 0xffffffff, // XXX actually first 62GB ok .default_cpu_model = "TI SuperSparc II", }, + /* SS-2 */ + { + .iommu_base = 0xf8000000, + .tcx_base = 0xfe000000, + .cs_base = -1, + .slavio_base = 0xf6000000, + .ms_kb_base = 0xf0000000, + .serial_base = 0xf1000000, + .nvram_base = 0xf2000000, + .fd_base = 0xf7200000, + .counter_base = -1, + .intctl_base = -1, + .dma_base = 0xf8400000, + .esp_base = 0xf8800000, + .le_base = 0xf8c00000, + .power_base = -1, + .sun4c_intctl_base = 0xf5000000, + .sun4c_counter_base = 0xf3000000, + .vram_size = 0x00100000, + .nvram_size = 0x2000, // XXX 0x800, + .esp_irq = 2, + .le_irq = 3, + .clock_irq = 5, + .clock1_irq = 7, + .ms_kb_irq = 1, + .ser_irq = 1, + .fd_irq = 1, + .me_irq = 1, + .cs_irq = -1, + .machine_id = 0x55, + .max_mem = 0x10000000, + .default_cpu_model = "Cypress CY7C601", + }, }; /* SPARCstation 5 hardware initialisation */ @@ -719,6 +904,16 @@ static void ss20_init(int RAM_size, int vga_ram_size, kernel_cmdline, initrd_filename, cpu_model); } +/* SPARCstation 2 hardware initialisation */ +static void ss2_init(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) +{ + sun4c_hw_init(&hwdefs[4], RAM_size, boot_device, ds, kernel_filename, + kernel_cmdline, initrd_filename, cpu_model); +} + QEMUMachine ss5_machine = { "SS-5", "Sun4m platform, SPARCstation 5", @@ -743,6 +938,11 @@ QEMUMachine ss20_machine = { ss20_init, }; +QEMUMachine ss2_machine = { + "SS-2", + "Sun4c platform, SPARCstation 2", + ss2_init, +}; static const struct sun4d_hwdef sun4d_hwdefs[] = { /* SS-1000 */ |