diff options
Diffstat (limited to 'hw/sun4u.c')
| -rw-r--r-- | hw/sun4u.c | 56 |
1 files changed, 33 insertions, 23 deletions
diff --git a/hw/sun4u.c b/hw/sun4u.c index fe3313890d..517bdb818d 100644 --- a/hw/sun4u.c +++ b/hw/sun4u.c @@ -67,7 +67,6 @@ #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 @@ -181,14 +180,18 @@ static int sun4u_NVRAM_set_params(M48t59State *nvram, uint16_t NVRAM_size, return 0; } -static unsigned long sun4u_load_kernel(const char *kernel_filename, - const char *initrd_filename, - ram_addr_t RAM_size, long *initrd_size) + +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); @@ -201,29 +204,34 @@ static unsigned long sun4u_load_kernel(const char *kernel_filename, #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_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) + } + 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 */ + /* 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_LOAD_ADDR, - RAM_size - INITRD_LOAD_ADDR); - if (*initrd_size < 0) { + *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); @@ -231,9 +239,9 @@ static unsigned long sun4u_load_kernel(const char *kernel_filename, } if (*initrd_size > 0) { for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) { - ptr = rom_ptr(KERNEL_LOAD_ADDR + i); + ptr = rom_ptr(*kernel_addr + i); if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */ - stl_p(ptr + 24, INITRD_LOAD_ADDR + KERNEL_LOAD_ADDR - 0x4000); + stl_p(ptr + 24, *initrd_addr + *kernel_addr); stl_p(ptr + 28, *initrd_size); break; } @@ -788,7 +796,7 @@ static void sun4uv_init(MemoryRegion *address_space_mem, CPUSPARCState *env; M48t59State *nvram; unsigned int i; - long initrd_size, kernel_size; + 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; @@ -845,13 +853,15 @@ static void sun4uv_init(MemoryRegion *address_space_mem, 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); + ram_size, &initrd_size, &initrd_addr, + &kernel_addr, &kernel_entry); sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices, - KERNEL_LOAD_ADDR, kernel_size, + kernel_addr, kernel_size, kernel_cmdline, - INITRD_LOAD_ADDR, initrd_size, + initrd_addr, initrd_size, /* XXX: need an option to load a NVRAM image */ 0, graphic_width, graphic_height, graphic_depth, @@ -861,8 +871,8 @@ static void sun4uv_init(MemoryRegion *address_space_mem, 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); + 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); @@ -872,8 +882,8 @@ static void sun4uv_init(MemoryRegion *address_space_mem, } 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_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); |