static void sun4m_load_kernel(long vram_size, int ram_size, int boot_device, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, int machine_id) { int ret, linux_boot; char buf[1024]; unsigned int i; long prom_offset, initrd_size, kernel_size; linux_boot = (kernel_filename != NULL); prom_offset = ram_size + vram_size; cpu_register_physical_memory(PROM_ADDR, (PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK, prom_offset | IO_MEM_ROM); snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAME); ret = load_elf(buf, 0, NULL, NULL, NULL); if (ret < 0) { fprintf(stderr, "qemu: could not load prom '%s'\n", buf); exit(1); } kernel_size = 0; if (linux_boot) { kernel_size = load_elf(kernel_filename, -0xf0000000, 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 */ initrd_size = 0; 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; } } } } nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline, boot_device, ram_size, kernel_size, graphic_width, graphic_height, graphic_depth, machine_id); }