| /* |
| * 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 "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" |
| |
| //#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 INITRD_LOAD_ADDR 0x00300000 |
| #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 MAX_PILS 16 |
| |
| #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; |
| }; |
| |
| 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 unsigned long sun4u_load_kernel(const char *kernel_filename, |
| const char *initrd_filename, |
| ram_addr_t RAM_size, long *initrd_size) |
| { |
| int linux_boot; |
| unsigned int i; |
| long kernel_size; |
| uint8_t *ptr; |
| |
| 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, NULL, |
| NULL, NULL, 1, ELF_MACHINE, 0); |
| if (kernel_size < 0) |
| 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 */ |
| *initrd_size = 0; |
| if (initrd_filename) { |
| *initrd_size = load_image_targphys(initrd_filename, |
| INITRD_LOAD_ADDR, |
| RAM_size - 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) { |
| ptr = rom_ptr(KERNEL_LOAD_ADDR + i); |
| if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */ |
| stl_p(ptr + 24, INITRD_LOAD_ADDR + KERNEL_LOAD_ADDR - 0x4000); |
| stl_p(ptr + 28, *initrd_size); |
| break; |
| } |
| } |
| } |
| } |
| return kernel_size; |
| } |
| |
| void pic_info(Monitor *mon) |
| { |
| } |
| |
| void irq_info(Monitor *mon) |
| { |
| } |
| |
| void cpu_check_irqs(CPUState *env) |
| { |
| uint32_t pil = env->pil_in | |
| (env->softint & ~(SOFTINT_TIMER | SOFTINT_STIMER)); |
| |
| /* 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; |
| } |
| |
| if (!pil) { |
| 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 (env->tl > 0 && cpu_tsptr(env)->tt > new_interrupt) { |
| 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 { |
| CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x " |
| "current interrupt %x\n", |
| pil, env->pil_in, env->softint, env->interrupt_index); |
| } |
| } |
| |
| static void cpu_kick_irq(CPUState *env) |
| { |
| env->halted = 0; |
| cpu_check_irqs(env); |
| } |
| |
| static void cpu_set_irq(void *opaque, int irq, int level) |
| { |
| CPUState *env = opaque; |
| |
| if (level) { |
| CPUIRQ_DPRINTF("Raise CPU IRQ %d\n", irq); |
| env->halted = 0; |
| env->pil_in |= 1 << irq; |
| cpu_check_irqs(env); |
| } else { |
| CPUIRQ_DPRINTF("Lower CPU IRQ %d\n", irq); |
| env->pil_in &= ~(1 << irq); |
| cpu_check_irqs(env); |
| } |
| } |
| |
| typedef struct ResetData { |
| CPUState *env; |
| 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, CPUState *env, |
| QEMUBHFunc *cb, uint32_t frequency, |
| uint64_t disabled_mask) |
| { |
| CPUTimer *timer = qemu_mallocz(sizeof (CPUTimer)); |
| |
| timer->name = name; |
| timer->frequency = frequency; |
| timer->disabled_mask = disabled_mask; |
| |
| timer->disabled = 1; |
| timer->clock_offset = qemu_get_clock(vm_clock); |
| |
| timer->qtimer = qemu_new_timer(vm_clock, cb, env); |
| |
| return timer; |
| } |
| |
| static void cpu_timer_reset(CPUTimer *timer) |
| { |
| timer->disabled = 1; |
| timer->clock_offset = qemu_get_clock(vm_clock); |
| |
| qemu_del_timer(timer->qtimer); |
| } |
| |
| static void main_cpu_reset(void *opaque) |
| { |
| ResetData *s = (ResetData *)opaque; |
| CPUState *env = s->env; |
| static unsigned int nr_resets; |
| |
| cpu_reset(env); |
| |
| 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) |
| { |
| CPUState *env = opaque; |
| |
| 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(env); |
| } |
| |
| static void stick_irq(void *opaque) |
| { |
| CPUState *env = opaque; |
| |
| 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(env); |
| } |
| |
| static void hstick_irq(void *opaque) |
| { |
| CPUState *env = opaque; |
| |
| 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(env); |
| } |
| |
| 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(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(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(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 ebus_mmio_mapfunc(PCIDevice *pci_dev, int region_num, |
| pcibus_t addr, pcibus_t size, int type) |
| { |
| EBUS_DPRINTF("Mapping region %d registers at %" FMT_PCIBUS "\n", |
| region_num, addr); |
| switch (region_num) { |
| case 0: |
| isa_mmio_init(addr, 0x1000000); |
| break; |
| case 1: |
| isa_mmio_init(addr, 0x800000); |
| break; |
| } |
| } |
| |
| static void dummy_isa_irq_handler(void *opaque, int n, int level) |
| { |
| } |
| |
| /* EBUS (Eight bit bus) bridge */ |
| static void |
| pci_ebus_init(PCIBus *bus, int devfn) |
| { |
| qemu_irq *isa_irq; |
| |
| pci_create_simple(bus, devfn, "ebus"); |
| isa_irq = qemu_allocate_irqs(dummy_isa_irq_handler, NULL, 16); |
| isa_bus_irqs(isa_irq); |
| } |
| |
| static int |
| pci_ebus_init1(PCIDevice *s) |
| { |
| isa_bus_new(&s->qdev); |
| |
| pci_config_set_vendor_id(s->config, PCI_VENDOR_ID_SUN); |
| pci_config_set_device_id(s->config, PCI_DEVICE_ID_SUN_EBUS); |
| s->config[0x04] = 0x06; // command = bus master, pci mem |
| s->config[0x05] = 0x00; |
| s->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error |
| s->config[0x07] = 0x03; // status = medium devsel |
| s->config[0x08] = 0x01; // revision |
| s->config[0x09] = 0x00; // programming i/f |
| pci_config_set_class(s->config, PCI_CLASS_BRIDGE_OTHER); |
| s->config[0x0D] = 0x0a; // latency_timer |
| |
| pci_register_bar(s, 0, 0x1000000, PCI_BASE_ADDRESS_SPACE_MEMORY, |
| ebus_mmio_mapfunc); |
| pci_register_bar(s, 1, 0x800000, PCI_BASE_ADDRESS_SPACE_MEMORY, |
| ebus_mmio_mapfunc); |
| return 0; |
| } |
| |
| static PCIDeviceInfo ebus_info = { |
| .qdev.name = "ebus", |
| .qdev.size = sizeof(PCIDevice), |
| .init = pci_ebus_init1, |
| }; |
| |
| static void pci_ebus_register(void) |
| { |
| pci_qdev_register(&ebus_info); |
| } |
| |
| device_init(pci_ebus_register); |
| |
| static uint64_t translate_prom_address(void *opaque, uint64_t addr) |
| { |
| target_phys_addr_t *base_addr = (target_phys_addr_t *)opaque; |
| return addr + *base_addr - PROM_VADDR; |
| } |
| |
| /* Boot PROM (OpenBIOS) */ |
| static void prom_init(target_phys_addr_t 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); |
| } |
| qemu_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) |
| { |
| ram_addr_t prom_offset; |
| |
| prom_offset = qemu_ram_alloc(NULL, "sun4u.prom", PROM_SIZE_MAX); |
| sysbus_init_mmio(dev, PROM_SIZE_MAX, prom_offset | IO_MEM_ROM); |
| return 0; |
| } |
| |
| static SysBusDeviceInfo prom_info = { |
| .init = prom_init1, |
| .qdev.name = "openprom", |
| .qdev.size = sizeof(SysBusDevice), |
| .qdev.props = (Property[]) { |
| {/* end of property list */} |
| } |
| }; |
| |
| static void prom_register_devices(void) |
| { |
| sysbus_register_withprop(&prom_info); |
| } |
| |
| device_init(prom_register_devices); |
| |
| |
| typedef struct RamDevice |
| { |
| SysBusDevice busdev; |
| uint64_t size; |
| } RamDevice; |
| |
| /* System RAM */ |
| static int ram_init1(SysBusDevice *dev) |
| { |
| ram_addr_t RAM_size, ram_offset; |
| RamDevice *d = FROM_SYSBUS(RamDevice, dev); |
| |
| RAM_size = d->size; |
| |
| ram_offset = qemu_ram_alloc(NULL, "sun4u.ram", RAM_size); |
| sysbus_init_mmio(dev, RAM_size, ram_offset); |
| return 0; |
| } |
| |
| static void ram_init(target_phys_addr_t 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 SysBusDeviceInfo ram_info = { |
| .init = ram_init1, |
| .qdev.name = "memory", |
| .qdev.size = sizeof(RamDevice), |
| .qdev.props = (Property[]) { |
| DEFINE_PROP_UINT64("size", RamDevice, size, 0), |
| DEFINE_PROP_END_OF_LIST(), |
| } |
| }; |
| |
| static void ram_register_devices(void) |
| { |
| sysbus_register_withprop(&ram_info); |
| } |
| |
| device_init(ram_register_devices); |
| |
| static CPUState *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef) |
| { |
| CPUState *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) |
| cpu_model = hwdef->default_cpu_model; |
| env = cpu_init(cpu_model); |
| if (!env) { |
| fprintf(stderr, "Unable to find Sparc CPU definition\n"); |
| exit(1); |
| } |
| |
| env->tick = cpu_timer_create("tick", env, tick_irq, |
| tick_frequency, TICK_NPT_MASK); |
| |
| env->stick = cpu_timer_create("stick", env, stick_irq, |
| stick_frequency, TICK_INT_DIS); |
| |
| env->hstick = cpu_timer_create("hstick", env, hstick_irq, |
| hstick_frequency, TICK_INT_DIS); |
| |
| reset_info = qemu_mallocz(sizeof(ResetData)); |
| reset_info->env = env; |
| reset_info->prom_addr = hwdef->prom_addr; |
| qemu_register_reset(main_cpu_reset, reset_info); |
| |
| return env; |
| } |
| |
| static void sun4uv_init(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) |
| { |
| CPUState *env; |
| M48t59State *nvram; |
| unsigned int i; |
| long initrd_size, kernel_size; |
| PCIBus *pci_bus, *pci_bus2, *pci_bus3; |
| qemu_irq *irq; |
| DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; |
| DriveInfo *fd[MAX_FD]; |
| void *fw_cfg; |
| |
| /* init CPUs */ |
| env = cpu_devinit(cpu_model, hwdef); |
| |
| /* set up devices */ |
| ram_init(0, RAM_size); |
| |
| prom_init(hwdef->prom_addr, bios_name); |
| |
| |
| irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS); |
| pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, irq, &pci_bus2, |
| &pci_bus3); |
| isa_mem_base = APB_PCI_IO_BASE; |
| pci_vga_init(pci_bus); |
| |
| // XXX Should be pci_bus3 |
| pci_ebus_init(pci_bus, -1); |
| |
| i = 0; |
| if (hwdef->console_serial_base) { |
| serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200, |
| serial_hds[i], 1, 1); |
| i++; |
| } |
| for(; i < MAX_SERIAL_PORTS; i++) { |
| if (serial_hds[i]) { |
| serial_isa_init(i, serial_hds[i]); |
| } |
| } |
| |
| for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
| if (parallel_hds[i]) { |
| parallel_init(i, parallel_hds[i]); |
| } |
| } |
| |
| for(i = 0; i < nb_nics; i++) |
| pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL); |
| |
| 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++) { |
| hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, |
| i % MAX_IDE_DEVS); |
| } |
| |
| pci_cmd646_ide_init(pci_bus, hd, 1); |
| |
| isa_create_simple("i8042"); |
| for(i = 0; i < MAX_FD; i++) { |
| fd[i] = drive_get(IF_FLOPPY, 0, i); |
| } |
| fdctrl_init_isa(fd); |
| nvram = m48t59_init_isa(0x0074, NVRAM_SIZE, 59); |
| |
| initrd_size = 0; |
| kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename, |
| ram_size, &initrd_size); |
| |
| sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices, |
| KERNEL_LOAD_ADDR, kernel_size, |
| kernel_cmdline, |
| INITRD_LOAD_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_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR); |
| fw_cfg_add_i32(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_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR); |
| fw_cfg_add_i32(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(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) |
| { |
| sun4uv_init(RAM_size, boot_devices, kernel_filename, |
| kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]); |
| } |
| |
| /* Sun4v hardware initialisation */ |
| static void sun4v_init(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) |
| { |
| sun4uv_init(RAM_size, boot_devices, kernel_filename, |
| kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]); |
| } |
| |
| /* Niagara hardware initialisation */ |
| static void niagara_init(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) |
| { |
| sun4uv_init(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_machine_init(void) |
| { |
| qemu_register_machine(&sun4u_machine); |
| qemu_register_machine(&sun4v_machine); |
| qemu_register_machine(&niagara_machine); |
| } |
| |
| machine_init(sun4u_machine_init); |