| /* |
| * QEMU PowerPC 405 evaluation boards emulation |
| * |
| * Copyright (c) 2007 Jocelyn Mayer |
| * |
| * 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 "ppc.h" |
| #include "ppc405.h" |
| #include "nvram.h" |
| #include "flash.h" |
| #include "sysemu.h" |
| #include "block.h" |
| #include "boards.h" |
| #include "qemu-log.h" |
| #include "loader.h" |
| #include "blockdev.h" |
| |
| #define BIOS_FILENAME "ppc405_rom.bin" |
| #define BIOS_SIZE (2048 * 1024) |
| |
| #define KERNEL_LOAD_ADDR 0x00000000 |
| #define INITRD_LOAD_ADDR 0x01800000 |
| |
| #define USE_FLASH_BIOS |
| |
| #define DEBUG_BOARD_INIT |
| |
| /*****************************************************************************/ |
| /* PPC405EP reference board (IBM) */ |
| /* Standalone board with: |
| * - PowerPC 405EP CPU |
| * - SDRAM (0x00000000) |
| * - Flash (0xFFF80000) |
| * - SRAM (0xFFF00000) |
| * - NVRAM (0xF0000000) |
| * - FPGA (0xF0300000) |
| */ |
| typedef struct ref405ep_fpga_t ref405ep_fpga_t; |
| struct ref405ep_fpga_t { |
| uint8_t reg0; |
| uint8_t reg1; |
| }; |
| |
| static uint32_t ref405ep_fpga_readb (void *opaque, target_phys_addr_t addr) |
| { |
| ref405ep_fpga_t *fpga; |
| uint32_t ret; |
| |
| fpga = opaque; |
| switch (addr) { |
| case 0x0: |
| ret = fpga->reg0; |
| break; |
| case 0x1: |
| ret = fpga->reg1; |
| break; |
| default: |
| ret = 0; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static void ref405ep_fpga_writeb (void *opaque, |
| target_phys_addr_t addr, uint32_t value) |
| { |
| ref405ep_fpga_t *fpga; |
| |
| fpga = opaque; |
| switch (addr) { |
| case 0x0: |
| /* Read only */ |
| break; |
| case 0x1: |
| fpga->reg1 = value; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static uint32_t ref405ep_fpga_readw (void *opaque, target_phys_addr_t addr) |
| { |
| uint32_t ret; |
| |
| ret = ref405ep_fpga_readb(opaque, addr) << 8; |
| ret |= ref405ep_fpga_readb(opaque, addr + 1); |
| |
| return ret; |
| } |
| |
| static void ref405ep_fpga_writew (void *opaque, |
| target_phys_addr_t addr, uint32_t value) |
| { |
| ref405ep_fpga_writeb(opaque, addr, (value >> 8) & 0xFF); |
| ref405ep_fpga_writeb(opaque, addr + 1, value & 0xFF); |
| } |
| |
| static uint32_t ref405ep_fpga_readl (void *opaque, target_phys_addr_t addr) |
| { |
| uint32_t ret; |
| |
| ret = ref405ep_fpga_readb(opaque, addr) << 24; |
| ret |= ref405ep_fpga_readb(opaque, addr + 1) << 16; |
| ret |= ref405ep_fpga_readb(opaque, addr + 2) << 8; |
| ret |= ref405ep_fpga_readb(opaque, addr + 3); |
| |
| return ret; |
| } |
| |
| static void ref405ep_fpga_writel (void *opaque, |
| target_phys_addr_t addr, uint32_t value) |
| { |
| ref405ep_fpga_writeb(opaque, addr, (value >> 24) & 0xFF); |
| ref405ep_fpga_writeb(opaque, addr + 1, (value >> 16) & 0xFF); |
| ref405ep_fpga_writeb(opaque, addr + 2, (value >> 8) & 0xFF); |
| ref405ep_fpga_writeb(opaque, addr + 3, value & 0xFF); |
| } |
| |
| static CPUReadMemoryFunc * const ref405ep_fpga_read[] = { |
| &ref405ep_fpga_readb, |
| &ref405ep_fpga_readw, |
| &ref405ep_fpga_readl, |
| }; |
| |
| static CPUWriteMemoryFunc * const ref405ep_fpga_write[] = { |
| &ref405ep_fpga_writeb, |
| &ref405ep_fpga_writew, |
| &ref405ep_fpga_writel, |
| }; |
| |
| static void ref405ep_fpga_reset (void *opaque) |
| { |
| ref405ep_fpga_t *fpga; |
| |
| fpga = opaque; |
| fpga->reg0 = 0x00; |
| fpga->reg1 = 0x0F; |
| } |
| |
| static void ref405ep_fpga_init (uint32_t base) |
| { |
| ref405ep_fpga_t *fpga; |
| int fpga_memory; |
| |
| fpga = g_malloc0(sizeof(ref405ep_fpga_t)); |
| fpga_memory = cpu_register_io_memory(ref405ep_fpga_read, |
| ref405ep_fpga_write, fpga, |
| DEVICE_NATIVE_ENDIAN); |
| cpu_register_physical_memory(base, 0x00000100, fpga_memory); |
| qemu_register_reset(&ref405ep_fpga_reset, fpga); |
| } |
| |
| static void ref405ep_init (ram_addr_t ram_size, |
| const char *boot_device, |
| const char *kernel_filename, |
| const char *kernel_cmdline, |
| const char *initrd_filename, |
| const char *cpu_model) |
| { |
| char *filename; |
| ppc4xx_bd_info_t bd; |
| CPUPPCState *env; |
| qemu_irq *pic; |
| ram_addr_t sram_offset, bios_offset, bdloc; |
| MemoryRegion *ram_memories = g_malloc(2 * sizeof(*ram_memories)); |
| target_phys_addr_t ram_bases[2], ram_sizes[2]; |
| target_ulong sram_size; |
| long bios_size; |
| //int phy_addr = 0; |
| //static int phy_addr = 1; |
| target_ulong kernel_base, initrd_base; |
| long kernel_size, initrd_size; |
| int linux_boot; |
| int fl_idx, fl_sectors, len; |
| DriveInfo *dinfo; |
| |
| /* XXX: fix this */ |
| memory_region_init_ram(&ram_memories[0], NULL, "ef405ep.ram", 0x08000000); |
| ram_bases[0] = 0; |
| ram_sizes[0] = 0x08000000; |
| memory_region_init(&ram_memories[1], "ef405ep.ram1", 0); |
| ram_bases[1] = 0x00000000; |
| ram_sizes[1] = 0x00000000; |
| ram_size = 128 * 1024 * 1024; |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: register cpu\n", __func__); |
| #endif |
| env = ppc405ep_init(ram_memories, ram_bases, ram_sizes, 33333333, &pic, |
| kernel_filename == NULL ? 0 : 1); |
| /* allocate SRAM */ |
| sram_size = 512 * 1024; |
| sram_offset = qemu_ram_alloc(NULL, "ef405ep.sram", sram_size); |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: register SRAM at offset %08lx\n", __func__, sram_offset); |
| #endif |
| cpu_register_physical_memory(0xFFF00000, sram_size, |
| sram_offset | IO_MEM_RAM); |
| /* allocate and load BIOS */ |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: register BIOS\n", __func__); |
| #endif |
| fl_idx = 0; |
| #ifdef USE_FLASH_BIOS |
| dinfo = drive_get(IF_PFLASH, 0, fl_idx); |
| if (dinfo) { |
| bios_size = bdrv_getlength(dinfo->bdrv); |
| bios_offset = qemu_ram_alloc(NULL, "ef405ep.bios", bios_size); |
| fl_sectors = (bios_size + 65535) >> 16; |
| #ifdef DEBUG_BOARD_INIT |
| printf("Register parallel flash %d size %lx" |
| " at offset %08lx addr %lx '%s' %d\n", |
| fl_idx, bios_size, bios_offset, -bios_size, |
| bdrv_get_device_name(dinfo->bdrv), fl_sectors); |
| #endif |
| pflash_cfi02_register((uint32_t)(-bios_size), bios_offset, |
| dinfo->bdrv, 65536, fl_sectors, 1, |
| 2, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, |
| 1); |
| fl_idx++; |
| } else |
| #endif |
| { |
| #ifdef DEBUG_BOARD_INIT |
| printf("Load BIOS from file\n"); |
| #endif |
| bios_offset = qemu_ram_alloc(NULL, "ef405ep.bios", BIOS_SIZE); |
| if (bios_name == NULL) |
| bios_name = BIOS_FILENAME; |
| filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); |
| if (filename) { |
| bios_size = load_image(filename, qemu_get_ram_ptr(bios_offset)); |
| g_free(filename); |
| } else { |
| bios_size = -1; |
| } |
| if (bios_size < 0 || bios_size > BIOS_SIZE) { |
| fprintf(stderr, "qemu: could not load PowerPC bios '%s'\n", |
| bios_name); |
| exit(1); |
| } |
| bios_size = (bios_size + 0xfff) & ~0xfff; |
| cpu_register_physical_memory((uint32_t)(-bios_size), |
| bios_size, bios_offset | IO_MEM_ROM); |
| } |
| /* Register FPGA */ |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: register FPGA\n", __func__); |
| #endif |
| ref405ep_fpga_init(0xF0300000); |
| /* Register NVRAM */ |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: register NVRAM\n", __func__); |
| #endif |
| m48t59_init(NULL, 0xF0000000, 0, 8192, 8); |
| /* Load kernel */ |
| linux_boot = (kernel_filename != NULL); |
| if (linux_boot) { |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: load kernel\n", __func__); |
| #endif |
| memset(&bd, 0, sizeof(bd)); |
| bd.bi_memstart = 0x00000000; |
| bd.bi_memsize = ram_size; |
| bd.bi_flashstart = -bios_size; |
| bd.bi_flashsize = -bios_size; |
| bd.bi_flashoffset = 0; |
| bd.bi_sramstart = 0xFFF00000; |
| bd.bi_sramsize = sram_size; |
| bd.bi_bootflags = 0; |
| bd.bi_intfreq = 133333333; |
| bd.bi_busfreq = 33333333; |
| bd.bi_baudrate = 115200; |
| bd.bi_s_version[0] = 'Q'; |
| bd.bi_s_version[1] = 'M'; |
| bd.bi_s_version[2] = 'U'; |
| bd.bi_s_version[3] = '\0'; |
| bd.bi_r_version[0] = 'Q'; |
| bd.bi_r_version[1] = 'E'; |
| bd.bi_r_version[2] = 'M'; |
| bd.bi_r_version[3] = 'U'; |
| bd.bi_r_version[4] = '\0'; |
| bd.bi_procfreq = 133333333; |
| bd.bi_plb_busfreq = 33333333; |
| bd.bi_pci_busfreq = 33333333; |
| bd.bi_opbfreq = 33333333; |
| bdloc = ppc405_set_bootinfo(env, &bd, 0x00000001); |
| env->gpr[3] = bdloc; |
| kernel_base = KERNEL_LOAD_ADDR; |
| /* now we can load the kernel */ |
| kernel_size = load_image_targphys(kernel_filename, kernel_base, |
| ram_size - kernel_base); |
| if (kernel_size < 0) { |
| fprintf(stderr, "qemu: could not load kernel '%s'\n", |
| kernel_filename); |
| exit(1); |
| } |
| printf("Load kernel size %ld at " TARGET_FMT_lx, |
| kernel_size, kernel_base); |
| /* load initrd */ |
| if (initrd_filename) { |
| initrd_base = INITRD_LOAD_ADDR; |
| initrd_size = load_image_targphys(initrd_filename, initrd_base, |
| ram_size - initrd_base); |
| if (initrd_size < 0) { |
| fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", |
| initrd_filename); |
| exit(1); |
| } |
| } else { |
| initrd_base = 0; |
| initrd_size = 0; |
| } |
| env->gpr[4] = initrd_base; |
| env->gpr[5] = initrd_size; |
| if (kernel_cmdline != NULL) { |
| len = strlen(kernel_cmdline); |
| bdloc -= ((len + 255) & ~255); |
| cpu_physical_memory_write(bdloc, (void *)kernel_cmdline, len + 1); |
| env->gpr[6] = bdloc; |
| env->gpr[7] = bdloc + len; |
| } else { |
| env->gpr[6] = 0; |
| env->gpr[7] = 0; |
| } |
| env->nip = KERNEL_LOAD_ADDR; |
| } else { |
| kernel_base = 0; |
| kernel_size = 0; |
| initrd_base = 0; |
| initrd_size = 0; |
| bdloc = 0; |
| } |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: Done\n", __func__); |
| #endif |
| printf("bdloc %016lx\n", (unsigned long)bdloc); |
| } |
| |
| static QEMUMachine ref405ep_machine = { |
| .name = "ref405ep", |
| .desc = "ref405ep", |
| .init = ref405ep_init, |
| }; |
| |
| /*****************************************************************************/ |
| /* AMCC Taihu evaluation board */ |
| /* - PowerPC 405EP processor |
| * - SDRAM 128 MB at 0x00000000 |
| * - Boot flash 2 MB at 0xFFE00000 |
| * - Application flash 32 MB at 0xFC000000 |
| * - 2 serial ports |
| * - 2 ethernet PHY |
| * - 1 USB 1.1 device 0x50000000 |
| * - 1 LCD display 0x50100000 |
| * - 1 CPLD 0x50100000 |
| * - 1 I2C EEPROM |
| * - 1 I2C thermal sensor |
| * - a set of LEDs |
| * - bit-bang SPI port using GPIOs |
| * - 1 EBC interface connector 0 0x50200000 |
| * - 1 cardbus controller + expansion slot. |
| * - 1 PCI expansion slot. |
| */ |
| typedef struct taihu_cpld_t taihu_cpld_t; |
| struct taihu_cpld_t { |
| uint8_t reg0; |
| uint8_t reg1; |
| }; |
| |
| static uint32_t taihu_cpld_readb (void *opaque, target_phys_addr_t addr) |
| { |
| taihu_cpld_t *cpld; |
| uint32_t ret; |
| |
| cpld = opaque; |
| switch (addr) { |
| case 0x0: |
| ret = cpld->reg0; |
| break; |
| case 0x1: |
| ret = cpld->reg1; |
| break; |
| default: |
| ret = 0; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static void taihu_cpld_writeb (void *opaque, |
| target_phys_addr_t addr, uint32_t value) |
| { |
| taihu_cpld_t *cpld; |
| |
| cpld = opaque; |
| switch (addr) { |
| case 0x0: |
| /* Read only */ |
| break; |
| case 0x1: |
| cpld->reg1 = value; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static uint32_t taihu_cpld_readw (void *opaque, target_phys_addr_t addr) |
| { |
| uint32_t ret; |
| |
| ret = taihu_cpld_readb(opaque, addr) << 8; |
| ret |= taihu_cpld_readb(opaque, addr + 1); |
| |
| return ret; |
| } |
| |
| static void taihu_cpld_writew (void *opaque, |
| target_phys_addr_t addr, uint32_t value) |
| { |
| taihu_cpld_writeb(opaque, addr, (value >> 8) & 0xFF); |
| taihu_cpld_writeb(opaque, addr + 1, value & 0xFF); |
| } |
| |
| static uint32_t taihu_cpld_readl (void *opaque, target_phys_addr_t addr) |
| { |
| uint32_t ret; |
| |
| ret = taihu_cpld_readb(opaque, addr) << 24; |
| ret |= taihu_cpld_readb(opaque, addr + 1) << 16; |
| ret |= taihu_cpld_readb(opaque, addr + 2) << 8; |
| ret |= taihu_cpld_readb(opaque, addr + 3); |
| |
| return ret; |
| } |
| |
| static void taihu_cpld_writel (void *opaque, |
| target_phys_addr_t addr, uint32_t value) |
| { |
| taihu_cpld_writel(opaque, addr, (value >> 24) & 0xFF); |
| taihu_cpld_writel(opaque, addr + 1, (value >> 16) & 0xFF); |
| taihu_cpld_writel(opaque, addr + 2, (value >> 8) & 0xFF); |
| taihu_cpld_writeb(opaque, addr + 3, value & 0xFF); |
| } |
| |
| static CPUReadMemoryFunc * const taihu_cpld_read[] = { |
| &taihu_cpld_readb, |
| &taihu_cpld_readw, |
| &taihu_cpld_readl, |
| }; |
| |
| static CPUWriteMemoryFunc * const taihu_cpld_write[] = { |
| &taihu_cpld_writeb, |
| &taihu_cpld_writew, |
| &taihu_cpld_writel, |
| }; |
| |
| static void taihu_cpld_reset (void *opaque) |
| { |
| taihu_cpld_t *cpld; |
| |
| cpld = opaque; |
| cpld->reg0 = 0x01; |
| cpld->reg1 = 0x80; |
| } |
| |
| static void taihu_cpld_init (uint32_t base) |
| { |
| taihu_cpld_t *cpld; |
| int cpld_memory; |
| |
| cpld = g_malloc0(sizeof(taihu_cpld_t)); |
| cpld_memory = cpu_register_io_memory(taihu_cpld_read, |
| taihu_cpld_write, cpld, |
| DEVICE_NATIVE_ENDIAN); |
| cpu_register_physical_memory(base, 0x00000100, cpld_memory); |
| qemu_register_reset(&taihu_cpld_reset, cpld); |
| } |
| |
| static void taihu_405ep_init(ram_addr_t ram_size, |
| const char *boot_device, |
| const char *kernel_filename, |
| const char *kernel_cmdline, |
| const char *initrd_filename, |
| const char *cpu_model) |
| { |
| char *filename; |
| qemu_irq *pic; |
| ram_addr_t bios_offset; |
| MemoryRegion *ram_memories = g_malloc(2 * sizeof(*ram_memories)); |
| target_phys_addr_t ram_bases[2], ram_sizes[2]; |
| long bios_size; |
| target_ulong kernel_base, initrd_base; |
| long kernel_size, initrd_size; |
| int linux_boot; |
| int fl_idx, fl_sectors; |
| DriveInfo *dinfo; |
| |
| /* RAM is soldered to the board so the size cannot be changed */ |
| memory_region_init_ram(&ram_memories[0], NULL, |
| "taihu_405ep.ram-0", 0x04000000); |
| ram_bases[0] = 0; |
| ram_sizes[0] = 0x04000000; |
| memory_region_init_ram(&ram_memories[1], NULL, |
| "taihu_405ep.ram-1", 0x04000000); |
| ram_bases[1] = 0x04000000; |
| ram_sizes[1] = 0x04000000; |
| ram_size = 0x08000000; |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: register cpu\n", __func__); |
| #endif |
| ppc405ep_init(ram_memories, ram_bases, ram_sizes, 33333333, &pic, |
| kernel_filename == NULL ? 0 : 1); |
| /* allocate and load BIOS */ |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: register BIOS\n", __func__); |
| #endif |
| fl_idx = 0; |
| #if defined(USE_FLASH_BIOS) |
| dinfo = drive_get(IF_PFLASH, 0, fl_idx); |
| if (dinfo) { |
| bios_size = bdrv_getlength(dinfo->bdrv); |
| /* XXX: should check that size is 2MB */ |
| // bios_size = 2 * 1024 * 1024; |
| fl_sectors = (bios_size + 65535) >> 16; |
| bios_offset = qemu_ram_alloc(NULL, "taihu_405ep.bios", bios_size); |
| #ifdef DEBUG_BOARD_INIT |
| printf("Register parallel flash %d size %lx" |
| " at offset %08lx addr %lx '%s' %d\n", |
| fl_idx, bios_size, bios_offset, -bios_size, |
| bdrv_get_device_name(dinfo->bdrv), fl_sectors); |
| #endif |
| pflash_cfi02_register((uint32_t)(-bios_size), bios_offset, |
| dinfo->bdrv, 65536, fl_sectors, 1, |
| 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, |
| 1); |
| fl_idx++; |
| } else |
| #endif |
| { |
| #ifdef DEBUG_BOARD_INIT |
| printf("Load BIOS from file\n"); |
| #endif |
| if (bios_name == NULL) |
| bios_name = BIOS_FILENAME; |
| bios_offset = qemu_ram_alloc(NULL, "taihu_405ep.bios", BIOS_SIZE); |
| filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); |
| if (filename) { |
| bios_size = load_image(filename, qemu_get_ram_ptr(bios_offset)); |
| g_free(filename); |
| } else { |
| bios_size = -1; |
| } |
| if (bios_size < 0 || bios_size > BIOS_SIZE) { |
| fprintf(stderr, "qemu: could not load PowerPC bios '%s'\n", |
| bios_name); |
| exit(1); |
| } |
| bios_size = (bios_size + 0xfff) & ~0xfff; |
| cpu_register_physical_memory((uint32_t)(-bios_size), |
| bios_size, bios_offset | IO_MEM_ROM); |
| } |
| /* Register Linux flash */ |
| dinfo = drive_get(IF_PFLASH, 0, fl_idx); |
| if (dinfo) { |
| bios_size = bdrv_getlength(dinfo->bdrv); |
| /* XXX: should check that size is 32MB */ |
| bios_size = 32 * 1024 * 1024; |
| fl_sectors = (bios_size + 65535) >> 16; |
| #ifdef DEBUG_BOARD_INIT |
| printf("Register parallel flash %d size %lx" |
| " at offset %08lx addr " TARGET_FMT_lx " '%s'\n", |
| fl_idx, bios_size, bios_offset, (target_ulong)0xfc000000, |
| bdrv_get_device_name(dinfo->bdrv)); |
| #endif |
| bios_offset = qemu_ram_alloc(NULL, "taihu_405ep.flash", bios_size); |
| pflash_cfi02_register(0xfc000000, bios_offset, |
| dinfo->bdrv, 65536, fl_sectors, 1, |
| 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, |
| 1); |
| fl_idx++; |
| } |
| /* Register CLPD & LCD display */ |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: register CPLD\n", __func__); |
| #endif |
| taihu_cpld_init(0x50100000); |
| /* Load kernel */ |
| linux_boot = (kernel_filename != NULL); |
| if (linux_boot) { |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: load kernel\n", __func__); |
| #endif |
| kernel_base = KERNEL_LOAD_ADDR; |
| /* now we can load the kernel */ |
| kernel_size = load_image_targphys(kernel_filename, kernel_base, |
| ram_size - kernel_base); |
| if (kernel_size < 0) { |
| fprintf(stderr, "qemu: could not load kernel '%s'\n", |
| kernel_filename); |
| exit(1); |
| } |
| /* load initrd */ |
| if (initrd_filename) { |
| initrd_base = INITRD_LOAD_ADDR; |
| initrd_size = load_image_targphys(initrd_filename, initrd_base, |
| ram_size - initrd_base); |
| if (initrd_size < 0) { |
| fprintf(stderr, |
| "qemu: could not load initial ram disk '%s'\n", |
| initrd_filename); |
| exit(1); |
| } |
| } else { |
| initrd_base = 0; |
| initrd_size = 0; |
| } |
| } else { |
| kernel_base = 0; |
| kernel_size = 0; |
| initrd_base = 0; |
| initrd_size = 0; |
| } |
| #ifdef DEBUG_BOARD_INIT |
| printf("%s: Done\n", __func__); |
| #endif |
| } |
| |
| static QEMUMachine taihu_machine = { |
| .name = "taihu", |
| .desc = "taihu", |
| .init = taihu_405ep_init, |
| }; |
| |
| static void ppc405_machine_init(void) |
| { |
| qemu_register_machine(&ref405ep_machine); |
| qemu_register_machine(&taihu_machine); |
| } |
| |
| machine_init(ppc405_machine_init); |
