diff options
Diffstat (limited to 'hw/s390-virtio.c')
| -rw-r--r-- | hw/s390-virtio.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/hw/s390-virtio.c b/hw/s390-virtio.c index 1ebe70d0e3..c0e19fd66d 100644 --- a/hw/s390-virtio.c +++ b/hw/s390-virtio.c @@ -99,6 +99,7 @@ int s390_virtio_hypercall(CPUS390XState *env, uint64_t mem, uint64_t hypercall) virtio_reset(dev->vdev); stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS, 0); s390_virtio_device_sync(dev); + s390_virtio_reset_idx(dev); break; } case KVM_S390_VIRTIO_SET_STATUS: @@ -230,6 +231,11 @@ static void s390_init(ram_addr_t my_ram_size, if (kernel_size == -1UL) { kernel_size = load_image_targphys(kernel_filename, 0, ram_size); } + if (kernel_size == -1UL) { + fprintf(stderr, "qemu: could not load kernel '%s'\n", + kernel_filename); + exit(1); + } /* * 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 @@ -269,12 +275,18 @@ static void s390_init(ram_addr_t my_ram_size, } initrd_size = load_image_targphys(initrd_filename, initrd_offset, ram_size - initrd_offset); + if (initrd_size == -1UL) { + fprintf(stderr, "qemu: could not load initrd '%s'\n", + initrd_filename); + exit(1); + } + /* 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) { + if (rom_ptr(KERN_PARM_AREA)) { /* we have to overwrite values in the kernel image, which are "rom" */ memcpy(rom_ptr(KERN_PARM_AREA), kernel_cmdline, strlen(kernel_cmdline) + 1); @@ -320,8 +332,11 @@ static QEMUMachine s390_machine = { .alias = "s390", .desc = "VirtIO based S390 machine", .init = s390_init, + .no_cdrom = 1, + .no_floppy = 1, .no_serial = 1, .no_parallel = 1, + .no_sdcard = 1, .use_virtcon = 1, .max_cpus = 255, .is_default = 1, |