| /* |
| * QEMU Sun4u 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 "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" |
| |
| #define KERNEL_LOAD_ADDR 0x00404000 |
| #define CMDLINE_ADDR 0x003ff000 |
| #define INITRD_LOAD_ADDR 0x00300000 |
| #define PROM_SIZE_MAX (4 * 1024 * 1024) |
| #define PROM_ADDR 0x1fff0000000ULL |
| #define PROM_VADDR 0x000ffd00000ULL |
| #define APB_SPECIAL_BASE 0x1fe00000000ULL |
| #define APB_MEM_BASE 0x1ff00000000ULL |
| #define VGA_BASE (APB_MEM_BASE + 0x400000ULL) |
| #define PROM_FILENAME "openbios-sparc64" |
| #define NVRAM_SIZE 0x2000 |
| #define MAX_IDE_BUS 2 |
| |
| 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_run (void) {} |
| void DMA_init (int high_page_enable) {} |
| void DMA_register_channel (int nchan, |
| DMA_transfer_handler transfer_handler, |
| void *opaque) |
| { |
| } |
| |
| extern int nographic; |
| |
| static int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size, |
| const unsigned 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) |
| { |
| unsigned int i; |
| uint32_t start, end; |
| uint8_t image[0x1ff0]; |
| ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ |
| struct sparc_arch_cfg *sparc_header; |
| struct OpenBIOS_nvpart_v1 *part_header; |
| |
| memset(image, '\0', sizeof(image)); |
| |
| // Try to match PPC NVRAM |
| strcpy(header->struct_ident, "QEMU_BIOS"); |
| header->struct_version = cpu_to_be32(3); /* structure v3 */ |
| |
| header->nvram_size = cpu_to_be16(NVRAM_size); |
| header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t)); |
| header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg)); |
| strcpy(header->arch, arch); |
| header->nb_cpus = smp_cpus & 0xff; |
| header->RAM0_base = 0; |
| header->RAM0_size = cpu_to_be64((uint64_t)RAM_size); |
| strcpy(header->boot_devices, boot_devices); |
| header->nboot_devices = strlen(boot_devices) & 0xff; |
| header->kernel_image = cpu_to_be64((uint64_t)kernel_image); |
| header->kernel_size = cpu_to_be64((uint64_t)kernel_size); |
| if (cmdline) { |
| strcpy(phys_ram_base + CMDLINE_ADDR, cmdline); |
| header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR); |
| header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline)); |
| } |
| header->initrd_image = cpu_to_be64((uint64_t)initrd_image); |
| header->initrd_size = cpu_to_be64((uint64_t)initrd_size); |
| header->NVRAM_image = cpu_to_be64((uint64_t)NVRAM_image); |
| |
| header->width = cpu_to_be16(width); |
| header->height = cpu_to_be16(height); |
| header->depth = cpu_to_be16(depth); |
| if (nographic) |
| header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS); |
| |
| header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8)); |
| |
| // Architecture specific header |
| start = sizeof(ohwcfg_v3_t); |
| sparc_header = (struct sparc_arch_cfg *)&image[start]; |
| sparc_header->valid = 0; |
| start += sizeof(struct sparc_arch_cfg); |
| |
| // OpenBIOS nvram variables |
| // Variable partition |
| part_header = (struct OpenBIOS_nvpart_v1 *)&image[start]; |
| part_header->signature = OPENBIOS_PART_SYSTEM; |
| strcpy(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; |
| strcpy(part_header->name, "free"); |
| |
| end = 0x1fd0; |
| OpenBIOS_finish_partition(part_header, end - start); |
| |
| for (i = 0; i < sizeof(image); i++) |
| m48t59_write(nvram, i, image[i]); |
| |
| return 0; |
| } |
| |
| void pic_info(void) |
| { |
| } |
| |
| void irq_info(void) |
| { |
| } |
| |
| void qemu_system_powerdown(void) |
| { |
| } |
| |
| static void main_cpu_reset(void *opaque) |
| { |
| CPUState *env = opaque; |
| |
| cpu_reset(env); |
| ptimer_set_limit(env->tick, 0x7fffffffffffffffULL, 1); |
| ptimer_run(env->tick, 0); |
| ptimer_set_limit(env->stick, 0x7fffffffffffffffULL, 1); |
| ptimer_run(env->stick, 0); |
| ptimer_set_limit(env->hstick, 0x7fffffffffffffffULL, 1); |
| ptimer_run(env->hstick, 0); |
| } |
| |
| static void tick_irq(void *opaque) |
| { |
| CPUState *env = opaque; |
| |
| cpu_interrupt(env, CPU_INTERRUPT_TIMER); |
| } |
| |
| static void stick_irq(void *opaque) |
| { |
| CPUState *env = opaque; |
| |
| cpu_interrupt(env, CPU_INTERRUPT_TIMER); |
| } |
| |
| static void hstick_irq(void *opaque) |
| { |
| CPUState *env = opaque; |
| |
| cpu_interrupt(env, CPU_INTERRUPT_TIMER); |
| } |
| |
| static void dummy_cpu_set_irq(void *opaque, int irq, int level) |
| { |
| } |
| |
| static const int ide_iobase[2] = { 0x1f0, 0x170 }; |
| static const int ide_iobase2[2] = { 0x3f6, 0x376 }; |
| static const int ide_irq[2] = { 14, 15 }; |
| |
| static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; |
| static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 }; |
| |
| static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc }; |
| static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 }; |
| |
| static fdctrl_t *floppy_controller; |
| |
| /* Sun4u hardware initialisation */ |
| static void sun4u_init(ram_addr_t RAM_size, int vga_ram_size, |
| const char *boot_devices, DisplayState *ds, |
| const char *kernel_filename, const char *kernel_cmdline, |
| const char *initrd_filename, const char *cpu_model) |
| { |
| CPUState *env; |
| char buf[1024]; |
| m48t59_t *nvram; |
| int ret, linux_boot; |
| unsigned int i; |
| long prom_offset, initrd_size, kernel_size; |
| PCIBus *pci_bus; |
| QEMUBH *bh; |
| qemu_irq *irq; |
| int drive_index; |
| BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; |
| BlockDriverState *fd[MAX_FD]; |
| |
| linux_boot = (kernel_filename != NULL); |
| |
| /* init CPUs */ |
| if (cpu_model == NULL) |
| cpu_model = "TI UltraSparc II"; |
| env = cpu_init(cpu_model); |
| if (!env) { |
| fprintf(stderr, "Unable to find Sparc CPU definition\n"); |
| exit(1); |
| } |
| bh = qemu_bh_new(tick_irq, env); |
| env->tick = ptimer_init(bh); |
| ptimer_set_period(env->tick, 1ULL); |
| |
| bh = qemu_bh_new(stick_irq, env); |
| env->stick = ptimer_init(bh); |
| ptimer_set_period(env->stick, 1ULL); |
| |
| bh = qemu_bh_new(hstick_irq, env); |
| env->hstick = ptimer_init(bh); |
| ptimer_set_period(env->hstick, 1ULL); |
| register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); |
| qemu_register_reset(main_cpu_reset, env); |
| main_cpu_reset(env); |
| |
| /* allocate RAM */ |
| cpu_register_physical_memory(0, RAM_size, 0); |
| |
| prom_offset = RAM_size + vga_ram_size; |
| cpu_register_physical_memory(PROM_ADDR, |
| (PROM_SIZE_MAX + TARGET_PAGE_SIZE) & 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_ADDR - PROM_VADDR, NULL, NULL, NULL); |
| if (ret < 0) { |
| fprintf(stderr, "qemu: could not load prom '%s'\n", |
| buf); |
| exit(1); |
| } |
| |
| kernel_size = 0; |
| initrd_size = 0; |
| if (linux_boot) { |
| /* XXX: put correct offset */ |
| kernel_size = load_elf(kernel_filename, 0, 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 */ |
| 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; |
| } |
| } |
| } |
| } |
| pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL); |
| isa_mem_base = VGA_BASE; |
| pci_cirrus_vga_init(pci_bus, ds, phys_ram_base + RAM_size, RAM_size, vga_ram_size); |
| |
| for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
| if (serial_hds[i]) { |
| serial_init(serial_io[i], NULL/*serial_irq[i]*/, 115200, |
| serial_hds[i]); |
| } |
| } |
| |
| for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
| if (parallel_hds[i]) { |
| parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/, parallel_hds[i]); |
| } |
| } |
| |
| for(i = 0; i < nb_nics; i++) { |
| if (!nd_table[i].model) |
| nd_table[i].model = "ne2k_pci"; |
| pci_nic_init(pci_bus, &nd_table[i], -1); |
| } |
| |
| irq = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, 32); |
| 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++) { |
| drive_index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, |
| i % MAX_IDE_DEVS); |
| if (drive_index != -1) |
| hd[i] = drives_table[drive_index].bdrv; |
| else |
| hd[i] = NULL; |
| } |
| |
| // XXX pci_cmd646_ide_init(pci_bus, hd, 1); |
| pci_piix3_ide_init(pci_bus, hd, -1, irq); |
| /* FIXME: wire up interrupts. */ |
| i8042_init(NULL/*1*/, NULL/*12*/, 0x60); |
| for(i = 0; i < MAX_FD; i++) { |
| drive_index = drive_get_index(IF_FLOPPY, 0, i); |
| if (drive_index != -1) |
| fd[i] = drives_table[drive_index].bdrv; |
| else |
| fd[i] = NULL; |
| } |
| floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd); |
| nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59); |
| 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); |
| |
| } |
| |
| QEMUMachine sun4u_machine = { |
| "sun4u", |
| "Sun4u platform", |
| sun4u_init, |
| PROM_SIZE_MAX + VGA_RAM_SIZE, |
| }; |
