diff options
Diffstat (limited to 'hw/s390-virtio.c')
| -rw-r--r-- | hw/s390-virtio.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/hw/s390-virtio.c b/hw/s390-virtio.c index 51123a7535..15e3ef389a 100644 --- a/hw/s390-virtio.c +++ b/hw/s390-virtio.c @@ -224,13 +224,17 @@ static void s390_init(ram_addr_t my_ram_size, s390_add_running_cpu(env); if (kernel_filename) { - kernel_size = load_image(kernel_filename, qemu_get_ram_ptr(0)); - if (lduw_be_phys(KERN_IMAGE_START) != 0x0dd0) { - fprintf(stderr, "Specified image is not an s390 boot image\n"); - exit(1); + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, NULL, + NULL, 1, ELF_MACHINE, 0); + if (kernel_size == -1UL) { + kernel_size = load_image_targphys(kernel_filename, 0, ram_size); } - + /* + * we can not rely on the ELF entry point, since up to 3.2 this + * value was 0x800 (the SALIPL loader) and it wont work. For + * all (Linux) cases 0x10000 (KERN_IMAGE_START) should be fine. + */ env->psw.addr = KERN_IMAGE_START; env->psw.mask = 0x0000000180000000ULL; } else { @@ -243,7 +247,7 @@ static void s390_init(ram_addr_t my_ram_size, } bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); - bios_size = load_image(bios_filename, qemu_get_ram_ptr(ZIPL_LOAD_ADDR)); + bios_size = load_image_targphys(bios_filename, ZIPL_LOAD_ADDR, 4096); g_free(bios_filename); if ((long)bios_size < 0) { @@ -263,15 +267,17 @@ static void s390_init(ram_addr_t my_ram_size, while (kernel_size + 0x100000 > initrd_offset) { initrd_offset += 0x100000; } - initrd_size = load_image(initrd_filename, qemu_get_ram_ptr(initrd_offset)); - - stq_be_phys(INITRD_PARM_START, initrd_offset); - stq_be_phys(INITRD_PARM_SIZE, initrd_size); + initrd_size = load_image_targphys(initrd_filename, initrd_offset, + ram_size - initrd_offset); + /* we have to overwrite values in the kernel image, which are "rom" */ + memcpy(rom_ptr(INITRD_PARM_START), &initrd_offset, 8); + memcpy(rom_ptr(INITRD_PARM_SIZE), &initrd_size, 8); } if (kernel_cmdline) { - cpu_physical_memory_write(KERN_PARM_AREA, kernel_cmdline, - strlen(kernel_cmdline) + 1); + /* we have to overwrite values in the kernel image, which are "rom" */ + memcpy(rom_ptr(KERN_PARM_AREA), kernel_cmdline, + strlen(kernel_cmdline) + 1); } /* Create VirtIO network adapters */ |