static int64_t load_kernel(void) { int64_t entry, kernel_high; long kernel_size, initrd_size, params_size; ram_addr_t initrd_offset; uint32_t *params_buf; int big_endian; #ifdef TARGET_WORDS_BIGENDIAN big_endian = 1; #else big_endian = 0; #endif kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, NULL, (uint64_t *)&entry, NULL, (uint64_t *)&kernel_high, big_endian, ELF_MACHINE, 1); if (kernel_size >= 0) { if ((entry & ~0x7fffffffULL) == 0x80000000) entry = (int32_t)entry; } else { fprintf(stderr, "qemu: could not load kernel '%s'\n", loaderparams.kernel_filename); exit(1); } /* load initrd */ initrd_size = 0; initrd_offset = 0; if (loaderparams.initrd_filename) { initrd_size = get_image_size (loaderparams.initrd_filename); if (initrd_size > 0) { initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK; if (initrd_offset + initrd_size > ram_size) { fprintf(stderr, "qemu: memory too small for initial ram disk '%s'\n", loaderparams.initrd_filename); exit(1); } initrd_size = load_image_targphys(loaderparams.initrd_filename, initrd_offset, ram_size - initrd_offset); } if (initrd_size == (target_ulong) -1) { fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", loaderparams.initrd_filename); exit(1); } } /* Store command line. */ params_size = 264; params_buf = g_malloc(params_size); params_buf[0] = tswap32(ram_size); params_buf[1] = tswap32(0x12345678); if (initrd_size > 0) { snprintf((char *)params_buf + 8, 256, "rd_start=0x%" PRIx64 " rd_size=%li %s", cpu_mips_phys_to_kseg0(NULL, initrd_offset), initrd_size, loaderparams.kernel_cmdline); } else { snprintf((char *)params_buf + 8, 256, "%s", loaderparams.kernel_cmdline); } rom_add_blob_fixed("params", params_buf, params_size, (16 << 20) - 264); return entry; }