diff options
Diffstat (limited to 'hw/sun4u.c')
| -rw-r--r-- | hw/sun4u.c | 1012 |
1 files changed, 0 insertions, 1012 deletions
diff --git a/hw/sun4u.c b/hw/sun4u.c deleted file mode 100644 index b2b51e30c..000000000 --- a/hw/sun4u.c +++ /dev/null @@ -1,1012 +0,0 @@ -/* - * QEMU Sun4u/Sun4v System Emulator - * - * Copyright (c) 2005 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 - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "hw.h" -#include "pci.h" -#include "apb_pci.h" -#include "pc.h" -#include "serial.h" -#include "nvram.h" -#include "fdc.h" -#include "net.h" -#include "qemu-timer.h" -#include "sysemu.h" -#include "boards.h" -#include "firmware_abi.h" -#include "fw_cfg.h" -#include "sysbus.h" -#include "ide.h" -#include "loader.h" -#include "elf.h" -#include "blockdev.h" -#include "exec-memory.h" - -//#define DEBUG_IRQ -//#define DEBUG_EBUS -//#define DEBUG_TIMER - -#ifdef DEBUG_IRQ -#define CPUIRQ_DPRINTF(fmt, ...) \ - do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0) -#else -#define CPUIRQ_DPRINTF(fmt, ...) -#endif - -#ifdef DEBUG_EBUS -#define EBUS_DPRINTF(fmt, ...) \ - do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0) -#else -#define EBUS_DPRINTF(fmt, ...) -#endif - -#ifdef DEBUG_TIMER -#define TIMER_DPRINTF(fmt, ...) \ - do { printf("TIMER: " fmt , ## __VA_ARGS__); } while (0) -#else -#define TIMER_DPRINTF(fmt, ...) -#endif - -#define KERNEL_LOAD_ADDR 0x00404000 -#define CMDLINE_ADDR 0x003ff000 -#define PROM_SIZE_MAX (4 * 1024 * 1024) -#define PROM_VADDR 0x000ffd00000ULL -#define APB_SPECIAL_BASE 0x1fe00000000ULL -#define APB_MEM_BASE 0x1ff00000000ULL -#define APB_PCI_IO_BASE (APB_SPECIAL_BASE + 0x02000000ULL) -#define PROM_FILENAME "openbios-sparc64" -#define NVRAM_SIZE 0x2000 -#define MAX_IDE_BUS 2 -#define BIOS_CFG_IOPORT 0x510 -#define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00) -#define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01) -#define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02) - -#define IVEC_MAX 0x30 - -#define TICK_MAX 0x7fffffffffffffffULL - -struct hwdef { - const char * const default_cpu_model; - uint16_t machine_id; - uint64_t prom_addr; - uint64_t console_serial_base; -}; - -typedef struct EbusState { - PCIDevice pci_dev; - MemoryRegion bar0; - MemoryRegion bar1; -} EbusState; - -int DMA_get_channel_mode (int nchan) -{ - return 0; -} -int DMA_read_memory (int nchan, void *buf, int pos, int size) -{ - return 0; -} -int DMA_write_memory (int nchan, void *buf, int pos, int size) -{ - return 0; -} -void DMA_hold_DREQ (int nchan) {} -void DMA_release_DREQ (int nchan) {} -void DMA_schedule(int nchan) {} - -void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit) -{ -} - -void DMA_register_channel (int nchan, - DMA_transfer_handler transfer_handler, - void *opaque) -{ -} - -static int fw_cfg_boot_set(void *opaque, const char *boot_device) -{ - fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]); - return 0; -} - -static int sun4u_NVRAM_set_params(M48t59State *nvram, uint16_t NVRAM_size, - const char *arch, ram_addr_t RAM_size, - const char *boot_devices, - uint32_t kernel_image, uint32_t kernel_size, - const char *cmdline, - uint32_t initrd_image, uint32_t initrd_size, - uint32_t NVRAM_image, - int width, int height, int depth, - const uint8_t *macaddr) -{ - unsigned int i; - uint32_t start, end; - uint8_t image[0x1ff0]; - struct OpenBIOS_nvpart_v1 *part_header; - - memset(image, '\0', sizeof(image)); - - start = 0; - - // OpenBIOS nvram variables - // Variable partition - part_header = (struct OpenBIOS_nvpart_v1 *)&image[start]; - part_header->signature = OPENBIOS_PART_SYSTEM; - pstrcpy(part_header->name, sizeof(part_header->name), "system"); - - end = start + sizeof(struct OpenBIOS_nvpart_v1); - for (i = 0; i < nb_prom_envs; i++) - end = OpenBIOS_set_var(image, end, prom_envs[i]); - - // End marker - image[end++] = '\0'; - - end = start + ((end - start + 15) & ~15); - OpenBIOS_finish_partition(part_header, end - start); - - // free partition - start = end; - part_header = (struct OpenBIOS_nvpart_v1 *)&image[start]; - part_header->signature = OPENBIOS_PART_FREE; - pstrcpy(part_header->name, sizeof(part_header->name), "free"); - - end = 0x1fd0; - OpenBIOS_finish_partition(part_header, end - start); - - Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80); - - for (i = 0; i < sizeof(image); i++) - m48t59_write(nvram, i, image[i]); - - return 0; -} - -static uint64_t sun4u_load_kernel(const char *kernel_filename, - const char *initrd_filename, - ram_addr_t RAM_size, uint64_t *initrd_size, - uint64_t *initrd_addr, uint64_t *kernel_addr, - uint64_t *kernel_entry) -{ - int linux_boot; - unsigned int i; - long kernel_size; - uint8_t *ptr; - uint64_t kernel_top; - - linux_boot = (kernel_filename != NULL); - - kernel_size = 0; - if (linux_boot) { - int bswap_needed; - -#ifdef BSWAP_NEEDED - bswap_needed = 1; -#else - bswap_needed = 0; -#endif - kernel_size = load_elf(kernel_filename, NULL, NULL, kernel_entry, - kernel_addr, &kernel_top, 1, ELF_MACHINE, 0); - if (kernel_size < 0) { - *kernel_addr = KERNEL_LOAD_ADDR; - *kernel_entry = KERNEL_LOAD_ADDR; - kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR, - RAM_size - KERNEL_LOAD_ADDR, bswap_needed, - TARGET_PAGE_SIZE); - } - if (kernel_size < 0) { - kernel_size = load_image_targphys(kernel_filename, - KERNEL_LOAD_ADDR, - RAM_size - KERNEL_LOAD_ADDR); - } - if (kernel_size < 0) { - fprintf(stderr, "qemu: could not load kernel '%s'\n", - kernel_filename); - exit(1); - } - /* load initrd above kernel */ - *initrd_size = 0; - if (initrd_filename) { - *initrd_addr = TARGET_PAGE_ALIGN(kernel_top); - - *initrd_size = load_image_targphys(initrd_filename, - *initrd_addr, - RAM_size - *initrd_addr); - if ((int)*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) { - ptr = rom_ptr(*kernel_addr + i); - if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */ - stl_p(ptr + 24, *initrd_addr + *kernel_addr); - stl_p(ptr + 28, *initrd_size); - break; - } - } - } - } - return kernel_size; -} - -void cpu_check_irqs(CPUSPARCState *env) -{ - uint32_t pil = env->pil_in | - (env->softint & ~(SOFTINT_TIMER | SOFTINT_STIMER)); - - /* TT_IVEC has a higher priority (16) than TT_EXTINT (31..17) */ - if (env->ivec_status & 0x20) { - return; - } - /* check if TM or SM in SOFTINT are set - setting these also causes interrupt 14 */ - if (env->softint & (SOFTINT_TIMER | SOFTINT_STIMER)) { - pil |= 1 << 14; - } - - /* The bit corresponding to psrpil is (1<< psrpil), the next bit - is (2 << psrpil). */ - if (pil < (2 << env->psrpil)){ - if (env->interrupt_request & CPU_INTERRUPT_HARD) { - CPUIRQ_DPRINTF("Reset CPU IRQ (current interrupt %x)\n", - env->interrupt_index); - env->interrupt_index = 0; - cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); - } - return; - } - - if (cpu_interrupts_enabled(env)) { - - unsigned int i; - - for (i = 15; i > env->psrpil; i--) { - if (pil & (1 << i)) { - int old_interrupt = env->interrupt_index; - int new_interrupt = TT_EXTINT | i; - - if (unlikely(env->tl > 0 && cpu_tsptr(env)->tt > new_interrupt - && ((cpu_tsptr(env)->tt & 0x1f0) == TT_EXTINT))) { - CPUIRQ_DPRINTF("Not setting CPU IRQ: TL=%d " - "current %x >= pending %x\n", - env->tl, cpu_tsptr(env)->tt, new_interrupt); - } else if (old_interrupt != new_interrupt) { - env->interrupt_index = new_interrupt; - CPUIRQ_DPRINTF("Set CPU IRQ %d old=%x new=%x\n", i, - old_interrupt, new_interrupt); - cpu_interrupt(env, CPU_INTERRUPT_HARD); - } - break; - } - } - } else if (env->interrupt_request & CPU_INTERRUPT_HARD) { - CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x " - "current interrupt %x\n", - pil, env->pil_in, env->softint, env->interrupt_index); - env->interrupt_index = 0; - cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); - } -} - -static void cpu_kick_irq(SPARCCPU *cpu) -{ - CPUSPARCState *env = &cpu->env; - - env->halted = 0; - cpu_check_irqs(env); - qemu_cpu_kick(CPU(cpu)); -} - -static void cpu_set_ivec_irq(void *opaque, int irq, int level) -{ - SPARCCPU *cpu = opaque; - CPUSPARCState *env = &cpu->env; - - if (level) { - if (!(env->ivec_status & 0x20)) { - CPUIRQ_DPRINTF("Raise IVEC IRQ %d\n", irq); - env->halted = 0; - env->interrupt_index = TT_IVEC; - env->ivec_status |= 0x20; - env->ivec_data[0] = (0x1f << 6) | irq; - env->ivec_data[1] = 0; - env->ivec_data[2] = 0; - cpu_interrupt(env, CPU_INTERRUPT_HARD); - } - } else { - if (env->ivec_status & 0x20) { - CPUIRQ_DPRINTF("Lower IVEC IRQ %d\n", irq); - env->ivec_status &= ~0x20; - cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); - } - } -} - -typedef struct ResetData { - SPARCCPU *cpu; - uint64_t prom_addr; -} ResetData; - -void cpu_put_timer(QEMUFile *f, CPUTimer *s) -{ - qemu_put_be32s(f, &s->frequency); - qemu_put_be32s(f, &s->disabled); - qemu_put_be64s(f, &s->disabled_mask); - qemu_put_sbe64s(f, &s->clock_offset); - - qemu_put_timer(f, s->qtimer); -} - -void cpu_get_timer(QEMUFile *f, CPUTimer *s) -{ - qemu_get_be32s(f, &s->frequency); - qemu_get_be32s(f, &s->disabled); - qemu_get_be64s(f, &s->disabled_mask); - qemu_get_sbe64s(f, &s->clock_offset); - - qemu_get_timer(f, s->qtimer); -} - -static CPUTimer *cpu_timer_create(const char *name, SPARCCPU *cpu, - QEMUBHFunc *cb, uint32_t frequency, - uint64_t disabled_mask) -{ - CPUTimer *timer = g_malloc0(sizeof (CPUTimer)); - - timer->name = name; - timer->frequency = frequency; - timer->disabled_mask = disabled_mask; - - timer->disabled = 1; - timer->clock_offset = qemu_get_clock_ns(vm_clock); - - timer->qtimer = qemu_new_timer_ns(vm_clock, cb, cpu); - - return timer; -} - -static void cpu_timer_reset(CPUTimer *timer) -{ - timer->disabled = 1; - timer->clock_offset = qemu_get_clock_ns(vm_clock); - - qemu_del_timer(timer->qtimer); -} - -static void main_cpu_reset(void *opaque) -{ - ResetData *s = (ResetData *)opaque; - CPUSPARCState *env = &s->cpu->env; - static unsigned int nr_resets; - - cpu_reset(CPU(s->cpu)); - - cpu_timer_reset(env->tick); - cpu_timer_reset(env->stick); - cpu_timer_reset(env->hstick); - - env->gregs[1] = 0; // Memory start - env->gregs[2] = ram_size; // Memory size - env->gregs[3] = 0; // Machine description XXX - if (nr_resets++ == 0) { - /* Power on reset */ - env->pc = s->prom_addr + 0x20ULL; - } else { - env->pc = s->prom_addr + 0x40ULL; - } - env->npc = env->pc + 4; -} - -static void tick_irq(void *opaque) -{ - SPARCCPU *cpu = opaque; - CPUSPARCState *env = &cpu->env; - - CPUTimer* timer = env->tick; - - if (timer->disabled) { - CPUIRQ_DPRINTF("tick_irq: softint disabled\n"); - return; - } else { - CPUIRQ_DPRINTF("tick: fire\n"); - } - - env->softint |= SOFTINT_TIMER; - cpu_kick_irq(cpu); -} - -static void stick_irq(void *opaque) -{ - SPARCCPU *cpu = opaque; - CPUSPARCState *env = &cpu->env; - - CPUTimer* timer = env->stick; - - if (timer->disabled) { - CPUIRQ_DPRINTF("stick_irq: softint disabled\n"); - return; - } else { - CPUIRQ_DPRINTF("stick: fire\n"); - } - - env->softint |= SOFTINT_STIMER; - cpu_kick_irq(cpu); -} - -static void hstick_irq(void *opaque) -{ - SPARCCPU *cpu = opaque; - CPUSPARCState *env = &cpu->env; - - CPUTimer* timer = env->hstick; - - if (timer->disabled) { - CPUIRQ_DPRINTF("hstick_irq: softint disabled\n"); - return; - } else { - CPUIRQ_DPRINTF("hstick: fire\n"); - } - - env->softint |= SOFTINT_STIMER; - cpu_kick_irq(cpu); -} - -static int64_t cpu_to_timer_ticks(int64_t cpu_ticks, uint32_t frequency) -{ - return muldiv64(cpu_ticks, get_ticks_per_sec(), frequency); -} - -static uint64_t timer_to_cpu_ticks(int64_t timer_ticks, uint32_t frequency) -{ - return muldiv64(timer_ticks, frequency, get_ticks_per_sec()); -} - -void cpu_tick_set_count(CPUTimer *timer, uint64_t count) -{ - uint64_t real_count = count & ~timer->disabled_mask; - uint64_t disabled_bit = count & timer->disabled_mask; - - int64_t vm_clock_offset = qemu_get_clock_ns(vm_clock) - - cpu_to_timer_ticks(real_count, timer->frequency); - - TIMER_DPRINTF("%s set_count count=0x%016lx (%s) p=%p\n", - timer->name, real_count, - timer->disabled?"disabled":"enabled", timer); - - timer->disabled = disabled_bit ? 1 : 0; - timer->clock_offset = vm_clock_offset; -} - -uint64_t cpu_tick_get_count(CPUTimer *timer) -{ - uint64_t real_count = timer_to_cpu_ticks( - qemu_get_clock_ns(vm_clock) - timer->clock_offset, - timer->frequency); - - TIMER_DPRINTF("%s get_count count=0x%016lx (%s) p=%p\n", - timer->name, real_count, - timer->disabled?"disabled":"enabled", timer); - - if (timer->disabled) - real_count |= timer->disabled_mask; - - return real_count; -} - -void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit) -{ - int64_t now = qemu_get_clock_ns(vm_clock); - - uint64_t real_limit = limit & ~timer->disabled_mask; - timer->disabled = (limit & timer->disabled_mask) ? 1 : 0; - - int64_t expires = cpu_to_timer_ticks(real_limit, timer->frequency) + - timer->clock_offset; - - if (expires < now) { - expires = now + 1; - } - - TIMER_DPRINTF("%s set_limit limit=0x%016lx (%s) p=%p " - "called with limit=0x%016lx at 0x%016lx (delta=0x%016lx)\n", - timer->name, real_limit, - timer->disabled?"disabled":"enabled", - timer, limit, - timer_to_cpu_ticks(now - timer->clock_offset, - timer->frequency), - timer_to_cpu_ticks(expires - now, timer->frequency)); - - if (!real_limit) { - TIMER_DPRINTF("%s set_limit limit=ZERO - not starting timer\n", - timer->name); - qemu_del_timer(timer->qtimer); - } else if (timer->disabled) { - qemu_del_timer(timer->qtimer); - } else { - qemu_mod_timer(timer->qtimer, expires); - } -} - -static void isa_irq_handler(void *opaque, int n, int level) -{ - static const int isa_irq_to_ivec[16] = { - [1] = 0x29, /* keyboard */ - [4] = 0x2b, /* serial */ - [6] = 0x27, /* floppy */ - [7] = 0x22, /* parallel */ - [12] = 0x2a, /* mouse */ - }; - qemu_irq *irqs = opaque; - int ivec; - - assert(n < 16); - ivec = isa_irq_to_ivec[n]; - EBUS_DPRINTF("Set ISA IRQ %d level %d -> ivec 0x%x\n", n, level, ivec); - if (ivec) { - qemu_set_irq(irqs[ivec], level); - } -} - -/* EBUS (Eight bit bus) bridge */ -static ISABus * -pci_ebus_init(PCIBus *bus, int devfn, qemu_irq *irqs) -{ - qemu_irq *isa_irq; - PCIDevice *pci_dev; - ISABus *isa_bus; - - pci_dev = pci_create_simple(bus, devfn, "ebus"); - isa_bus = DO_UPCAST(ISABus, qbus, - qdev_get_child_bus(&pci_dev->qdev, "isa.0")); - isa_irq = qemu_allocate_irqs(isa_irq_handler, irqs, 16); - isa_bus_irqs(isa_bus, isa_irq); - return isa_bus; -} - -static int -pci_ebus_init1(PCIDevice *pci_dev) -{ - EbusState *s = DO_UPCAST(EbusState, pci_dev, pci_dev); - - isa_bus_new(&pci_dev->qdev, pci_address_space_io(pci_dev)); - - pci_dev->config[0x04] = 0x06; // command = bus master, pci mem - pci_dev->config[0x05] = 0x00; - pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error - pci_dev->config[0x07] = 0x03; // status = medium devsel - pci_dev->config[0x09] = 0x00; // programming i/f - pci_dev->config[0x0D] = 0x0a; // latency_timer - - isa_mmio_setup(&s->bar0, 0x1000000); - pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0); - isa_mmio_setup(&s->bar1, 0x800000); - pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar1); - return 0; -} - -static void ebus_class_init(ObjectClass *klass, void *data) -{ - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->init = pci_ebus_init1; - k->vendor_id = PCI_VENDOR_ID_SUN; - k->device_id = PCI_DEVICE_ID_SUN_EBUS; - k->revision = 0x01; - k->class_id = PCI_CLASS_BRIDGE_OTHER; -} - -static TypeInfo ebus_info = { - .name = "ebus", - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(EbusState), - .class_init = ebus_class_init, -}; - -typedef struct PROMState { - SysBusDevice busdev; - MemoryRegion prom; -} PROMState; - -static uint64_t translate_prom_address(void *opaque, uint64_t addr) -{ - hwaddr *base_addr = (hwaddr *)opaque; - return addr + *base_addr - PROM_VADDR; -} - -/* Boot PROM (OpenBIOS) */ -static void prom_init(hwaddr addr, const char *bios_name) -{ - DeviceState *dev; - SysBusDevice *s; - char *filename; - int ret; - - dev = qdev_create(NULL, "openprom"); - qdev_init_nofail(dev); - s = sysbus_from_qdev(dev); - - sysbus_mmio_map(s, 0, addr); - - /* load boot prom */ - if (bios_name == NULL) { - bios_name = PROM_FILENAME; - } - filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); - if (filename) { - ret = load_elf(filename, translate_prom_address, &addr, - NULL, NULL, NULL, 1, ELF_MACHINE, 0); - if (ret < 0 || ret > PROM_SIZE_MAX) { - ret = load_image_targphys(filename, addr, PROM_SIZE_MAX); - } - g_free(filename); - } else { - ret = -1; - } - if (ret < 0 || ret > PROM_SIZE_MAX) { - fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name); - exit(1); - } -} - -static int prom_init1(SysBusDevice *dev) -{ - PROMState *s = FROM_SYSBUS(PROMState, dev); - - memory_region_init_ram(&s->prom, "sun4u.prom", PROM_SIZE_MAX); - vmstate_register_ram_global(&s->prom); - memory_region_set_readonly(&s->prom, true); - sysbus_init_mmio(dev, &s->prom); - return 0; -} - -static Property prom_properties[] = { - {/* end of property list */}, -}; - -static void prom_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - - k->init = prom_init1; - dc->props = prom_properties; -} - -static TypeInfo prom_info = { - .name = "openprom", - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(PROMState), - .class_init = prom_class_init, -}; - - -typedef struct RamDevice -{ - SysBusDevice busdev; - MemoryRegion ram; - uint64_t size; -} RamDevice; - -/* System RAM */ -static int ram_init1(SysBusDevice *dev) -{ - RamDevice *d = FROM_SYSBUS(RamDevice, dev); - - memory_region_init_ram(&d->ram, "sun4u.ram", d->size); - vmstate_register_ram_global(&d->ram); - sysbus_init_mmio(dev, &d->ram); - return 0; -} - -static void ram_init(hwaddr addr, ram_addr_t RAM_size) -{ - DeviceState *dev; - SysBusDevice *s; - RamDevice *d; - - /* allocate RAM */ - dev = qdev_create(NULL, "memory"); - s = sysbus_from_qdev(dev); - - d = FROM_SYSBUS(RamDevice, s); - d->size = RAM_size; - qdev_init_nofail(dev); - - sysbus_mmio_map(s, 0, addr); -} - -static Property ram_properties[] = { - DEFINE_PROP_UINT64("size", RamDevice, size, 0), - DEFINE_PROP_END_OF_LIST(), -}; - -static void ram_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - - k->init = ram_init1; - dc->props = ram_properties; -} - -static TypeInfo ram_info = { - .name = "memory", - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(RamDevice), - .class_init = ram_class_init, -}; - -static SPARCCPU *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef) -{ - SPARCCPU *cpu; - CPUSPARCState *env; - ResetData *reset_info; - - uint32_t tick_frequency = 100*1000000; - uint32_t stick_frequency = 100*1000000; - uint32_t hstick_frequency = 100*1000000; - - if (cpu_model == NULL) { - cpu_model = hwdef->default_cpu_model; - } - cpu = cpu_sparc_init(cpu_model); - if (cpu == NULL) { - fprintf(stderr, "Unable to find Sparc CPU definition\n"); - exit(1); - } - env = &cpu->env; - - env->tick = cpu_timer_create("tick", cpu, tick_irq, - tick_frequency, TICK_NPT_MASK); - - env->stick = cpu_timer_create("stick", cpu, stick_irq, - stick_frequency, TICK_INT_DIS); - - env->hstick = cpu_timer_create("hstick", cpu, hstick_irq, - hstick_frequency, TICK_INT_DIS); - - reset_info = g_malloc0(sizeof(ResetData)); - reset_info->cpu = cpu; - reset_info->prom_addr = hwdef->prom_addr; - qemu_register_reset(main_cpu_reset, reset_info); - - return cpu; -} - -static void sun4uv_init(MemoryRegion *address_space_mem, - ram_addr_t RAM_size, - const char *boot_devices, - const char *kernel_filename, const char *kernel_cmdline, - const char *initrd_filename, const char *cpu_model, - const struct hwdef *hwdef) -{ - SPARCCPU *cpu; - M48t59State *nvram; - unsigned int i; - uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry; - PCIBus *pci_bus, *pci_bus2, *pci_bus3; - ISABus *isa_bus; - qemu_irq *ivec_irqs, *pbm_irqs; - DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; - DriveInfo *fd[MAX_FD]; - void *fw_cfg; - - /* init CPUs */ - cpu = cpu_devinit(cpu_model, hwdef); - - /* set up devices */ - ram_init(0, RAM_size); - - prom_init(hwdef->prom_addr, bios_name); - - ivec_irqs = qemu_allocate_irqs(cpu_set_ivec_irq, cpu, IVEC_MAX); - pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, ivec_irqs, &pci_bus2, - &pci_bus3, &pbm_irqs); - pci_vga_init(pci_bus); - - // XXX Should be pci_bus3 - isa_bus = pci_ebus_init(pci_bus, -1, pbm_irqs); - - i = 0; - if (hwdef->console_serial_base) { - serial_mm_init(address_space_mem, hwdef->console_serial_base, 0, - NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN); - i++; - } - for(; i < MAX_SERIAL_PORTS; i++) { - if (serial_hds[i]) { - serial_isa_init(isa_bus, i, serial_hds[i]); - } - } - - for(i = 0; i < MAX_PARALLEL_PORTS; i++) { - if (parallel_hds[i]) { - parallel_init(isa_bus, i, parallel_hds[i]); - } - } - - for(i = 0; i < nb_nics; i++) - pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL); - - ide_drive_get(hd, MAX_IDE_BUS); - - pci_cmd646_ide_init(pci_bus, hd, 1); - - isa_create_simple(isa_bus, "i8042"); - for(i = 0; i < MAX_FD; i++) { - fd[i] = drive_get(IF_FLOPPY, 0, i); - } - fdctrl_init_isa(isa_bus, fd); - nvram = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 59); - - initrd_size = 0; - initrd_addr = 0; - kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename, - ram_size, &initrd_size, &initrd_addr, - &kernel_addr, &kernel_entry); - - sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices, - kernel_addr, kernel_size, - kernel_cmdline, - initrd_addr, initrd_size, - /* XXX: need an option to load a NVRAM image */ - 0, - graphic_width, graphic_height, graphic_depth, - (uint8_t *)&nd_table[0].macaddr); - - fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0); - fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1); - fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size); - fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id); - fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry); - fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); - if (kernel_cmdline) { - fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, - strlen(kernel_cmdline) + 1); - fw_cfg_add_bytes(fw_cfg, FW_CFG_CMDLINE_DATA, - (uint8_t*)strdup(kernel_cmdline), - strlen(kernel_cmdline) + 1); - } else { - fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0); - } - fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr); - fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size); - fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_devices[0]); - - fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width); - fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height); - fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth); - - qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); -} - -enum { - sun4u_id = 0, - sun4v_id = 64, - niagara_id, -}; - -static const struct hwdef hwdefs[] = { - /* Sun4u generic PC-like machine */ - { - .default_cpu_model = "TI UltraSparc IIi", - .machine_id = sun4u_id, - .prom_addr = 0x1fff0000000ULL, - .console_serial_base = 0, - }, - /* Sun4v generic PC-like machine */ - { - .default_cpu_model = "Sun UltraSparc T1", - .machine_id = sun4v_id, - .prom_addr = 0x1fff0000000ULL, - .console_serial_base = 0, - }, - /* Sun4v generic Niagara machine */ - { - .default_cpu_model = "Sun UltraSparc T1", - .machine_id = niagara_id, - .prom_addr = 0xfff0000000ULL, - .console_serial_base = 0xfff0c2c000ULL, - }, -}; - -/* Sun4u hardware initialisation */ -static void sun4u_init(QEMUMachineInitArgs *args) -{ - ram_addr_t RAM_size = args->ram_size; - const char *cpu_model = args->cpu_model; - const char *kernel_filename = args->kernel_filename; - const char *kernel_cmdline = args->kernel_cmdline; - const char *initrd_filename = args->initrd_filename; - const char *boot_devices = args->boot_device; - sun4uv_init(get_system_memory(), RAM_size, boot_devices, kernel_filename, - kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]); -} - -/* Sun4v hardware initialisation */ -static void sun4v_init(QEMUMachineInitArgs *args) -{ - ram_addr_t RAM_size = args->ram_size; - const char *cpu_model = args->cpu_model; - const char *kernel_filename = args->kernel_filename; - const char *kernel_cmdline = args->kernel_cmdline; - const char *initrd_filename = args->initrd_filename; - const char *boot_devices = args->boot_device; - sun4uv_init(get_system_memory(), RAM_size, boot_devices, kernel_filename, - kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]); -} - -/* Niagara hardware initialisation */ -static void niagara_init(QEMUMachineInitArgs *args) -{ - ram_addr_t RAM_size = args->ram_size; - const char *cpu_model = args->cpu_model; - const char *kernel_filename = args->kernel_filename; - const char *kernel_cmdline = args->kernel_cmdline; - const char *initrd_filename = args->initrd_filename; - const char *boot_devices = args->boot_device; - sun4uv_init(get_system_memory(), RAM_size, boot_devices, kernel_filename, - kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]); -} - -static QEMUMachine sun4u_machine = { - .name = "sun4u", - .desc = "Sun4u platform", - .init = sun4u_init, - .max_cpus = 1, // XXX for now - .is_default = 1, -}; - -static QEMUMachine sun4v_machine = { - .name = "sun4v", - .desc = "Sun4v platform", - .init = sun4v_init, - .max_cpus = 1, // XXX for now -}; - -static QEMUMachine niagara_machine = { - .name = "Niagara", - .desc = "Sun4v platform, Niagara", - .init = niagara_init, - .max_cpus = 1, // XXX for now -}; - -static void sun4u_register_types(void) -{ - type_register_static(&ebus_info); - type_register_static(&prom_info); - type_register_static(&ram_info); -} - -static void sun4u_machine_init(void) -{ - qemu_register_machine(&sun4u_machine); - qemu_register_machine(&sun4v_machine); - qemu_register_machine(&niagara_machine); -} - -type_init(sun4u_register_types) -machine_init(sun4u_machine_init); |