diff options
Diffstat (limited to 'hw/sun4m.c')
| -rw-r--r-- | hw/sun4m.c | 211 |
1 files changed, 103 insertions, 108 deletions
@@ -60,7 +60,6 @@ #define CMDLINE_ADDR 0x007ff000 #define INITRD_LOAD_ADDR 0x00800000 #define PROM_SIZE_MAX (512 * 1024) -#define PROM_PADDR 0xff0000000ULL #define PROM_VADDR 0xffd00000 #define PROM_FILENAME "openbios-sparc32" @@ -81,6 +80,8 @@ struct hwdef { int machine_id; // For NVRAM uint32_t iommu_version; uint32_t intbit_to_level[32]; + uint64_t max_mem; + const char * const default_cpu_model; }; /* TSC handling */ @@ -273,8 +274,59 @@ static void secondary_cpu_reset(void *opaque) env->halted = 1; } -static void *sun4m_hw_init(const struct hwdef *hwdef, int RAM_size, - DisplayState *ds, const char *cpu_model) +static unsigned long sun4m_load_kernel(const char *kernel_filename, + const char *kernel_cmdline, + const char *initrd_filename) +{ + int linux_boot; + unsigned int i; + long initrd_size, kernel_size; + + linux_boot = (kernel_filename != NULL); + + kernel_size = 0; + if (linux_boot) { + kernel_size = load_elf(kernel_filename, -0xf0000000ULL, NULL, NULL, + NULL); + if (kernel_size < 0) + kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); + if (kernel_size < 0) + kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); + if (kernel_size < 0) { + fprintf(stderr, "qemu: could not load kernel '%s'\n", + kernel_filename); + exit(1); + } + + /* load initrd */ + initrd_size = 0; + if (initrd_filename) { + initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR); + if (initrd_size < 0) { + fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", + initrd_filename); + exit(1); + } + } + if (initrd_size > 0) { + for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) { + if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i) + == 0x48647253) { // HdrS + stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR); + stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size); + break; + } + } + } + } + return kernel_size; +} + +static void sun4m_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, *envs[MAX_CPUS]; @@ -283,8 +335,13 @@ static void *sun4m_hw_init(const struct hwdef *hwdef, int RAM_size, qemu_irq *cpu_irqs[MAX_CPUS], *slavio_irq, *slavio_cpu_irq, *espdma_irq, *ledma_irq; qemu_irq *esp_reset, *le_reset; + unsigned long prom_offset, kernel_size; + int ret; + char buf[1024]; /* init CPUs */ + if (!cpu_model) + cpu_model = hwdef->default_cpu_model; for(i = 0; i < smp_cpus; i++) { env = cpu_init(cpu_model); @@ -302,14 +359,42 @@ static void *sun4m_hw_init(const struct hwdef *hwdef, int RAM_size, } register_savevm("cpu", i, 3, cpu_save, cpu_load, env); cpu_irqs[i] = qemu_allocate_irqs(cpu_set_irq, envs[i], MAX_PILS); + env->prom_addr = hwdef->slavio_base; } for (i = smp_cpus; i < MAX_CPUS; i++) cpu_irqs[i] = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, 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); + } + + /* set up devices */ iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version); slavio_intctl = slavio_intctl_init(hwdef->intctl_base, hwdef->intctl_base + 0x10000ULL, @@ -372,79 +457,12 @@ static void *sun4m_hw_init(const struct hwdef *hwdef, int RAM_size, if (hwdef->cs_base != (target_phys_addr_t)-1) cs_init(hwdef->cs_base, hwdef->cs_irq, slavio_intctl); - return nvram; -} + kernel_size = sun4m_load_kernel(kernel_filename, kernel_cmdline, + initrd_filename); -static void sun4m_load_kernel(long vram_size, int RAM_size, - const char *boot_device, - const char *kernel_filename, - const char *kernel_cmdline, - const char *initrd_filename, - int machine_id, - void *nvram) -{ - int ret, linux_boot; - char buf[1024]; - unsigned int i; - long prom_offset, initrd_size, kernel_size; - - linux_boot = (kernel_filename != NULL); - - prom_offset = RAM_size + vram_size; - cpu_register_physical_memory(PROM_PADDR, - (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, PROM_PADDR - 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); - } - - kernel_size = 0; - if (linux_boot) { - kernel_size = load_elf(kernel_filename, -0xf0000000ULL, NULL, NULL, - NULL); - if (kernel_size < 0) - kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); - if (kernel_size < 0) - kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); - if (kernel_size < 0) { - fprintf(stderr, "qemu: could not load kernel '%s'\n", - kernel_filename); - exit(1); - } - - /* load initrd */ - initrd_size = 0; - if (initrd_filename) { - initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR); - if (initrd_size < 0) { - fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", - initrd_filename); - exit(1); - } - } - if (initrd_size > 0) { - for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) { - if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i) - == 0x48647253) { // HdrS - stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR); - stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size); - break; - } - } - } - } nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline, boot_device, RAM_size, kernel_size, graphic_width, - graphic_height, graphic_depth, machine_id); + graphic_height, graphic_depth, hwdef->machine_id); } static const struct hwdef hwdefs[] = { @@ -481,6 +499,8 @@ static const struct hwdef hwdefs[] = { 2, 3, 5, 7, 9, 11, 0, 14, 3, 5, 7, 9, 11, 13, 12, 12, 6, 0, 4, 10, 8, 0, 11, 0, 0, 0, 0, 0, 15, 0, 15, 0, }, + .max_mem = 0x10000000, + .default_cpu_model = "Fujitsu MB86904", }, /* SS-10 */ { @@ -515,6 +535,8 @@ static const struct hwdef hwdefs[] = { 2, 3, 5, 7, 9, 11, 0, 14, 3, 5, 7, 9, 11, 13, 12, 12, 6, 0, 4, 10, 8, 0, 11, 0, 0, 0, 0, 0, 15, 0, 15, 0, }, + .max_mem = 0xffffffff, // XXX actually first 62GB ok + .default_cpu_model = "TI SuperSparc II", }, /* SS-600MP */ { @@ -549,40 +571,19 @@ static const struct hwdef hwdefs[] = { 2, 3, 5, 7, 9, 11, 0, 14, 3, 5, 7, 9, 11, 13, 12, 12, 6, 0, 4, 10, 8, 0, 11, 0, 0, 0, 0, 0, 15, 0, 15, 0, }, + .max_mem = 0xffffffff, // XXX actually first 62GB ok + .default_cpu_model = "TI SuperSparc II", }, }; -static void sun4m_common_init(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, - unsigned int machine, int max_ram) -{ - void *nvram; - - if ((unsigned int)RAM_size > (unsigned int)max_ram) { - fprintf(stderr, "qemu: Too much memory for this machine: %d, maximum %d\n", - (unsigned int)RAM_size / (1024 * 1024), - (unsigned int)max_ram / (1024 * 1024)); - exit(1); - } - nvram = sun4m_hw_init(&hwdefs[machine], RAM_size, ds, cpu_model); - - sun4m_load_kernel(hwdefs[machine].vram_size, RAM_size, boot_device, - kernel_filename, kernel_cmdline, initrd_filename, - hwdefs[machine].machine_id, nvram); -} - /* SPARCstation 5 hardware initialisation */ static void ss5_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) { - if (cpu_model == NULL) - cpu_model = "Fujitsu MB86904"; - sun4m_common_init(RAM_size, boot_device, ds, kernel_filename, - kernel_cmdline, initrd_filename, cpu_model, - 0, 0x10000000); + sun4m_hw_init(&hwdefs[0], RAM_size, boot_device, ds, kernel_filename, + kernel_cmdline, initrd_filename, cpu_model); } /* SPARCstation 10 hardware initialisation */ @@ -591,11 +592,8 @@ static void ss10_init(int RAM_size, int vga_ram_size, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { - if (cpu_model == NULL) - cpu_model = "TI SuperSparc II"; - sun4m_common_init(RAM_size, boot_device, ds, kernel_filename, - kernel_cmdline, initrd_filename, cpu_model, - 1, 0xffffffff); // XXX actually first 62GB ok + sun4m_hw_init(&hwdefs[1], RAM_size, boot_device, ds, kernel_filename, + kernel_cmdline, initrd_filename, cpu_model); } /* SPARCserver 600MP hardware initialisation */ @@ -604,11 +602,8 @@ static void ss600mp_init(int RAM_size, int vga_ram_size, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { - if (cpu_model == NULL) - cpu_model = "TI SuperSparc II"; - sun4m_common_init(RAM_size, boot_device, ds, kernel_filename, - kernel_cmdline, initrd_filename, cpu_model, - 2, 0xffffffff); // XXX actually first 62GB ok + sun4m_hw_init(&hwdefs[2], RAM_size, boot_device, ds, kernel_filename, + kernel_cmdline, initrd_filename, cpu_model); } QEMUMachine ss5_machine = { |