static void s390_ipl_reset(DeviceState *dev) { S390IPLState *ipl = S390_IPL(dev); S390CPU *cpu = S390_CPU(qemu_get_cpu(0)); CPUS390XState *env = &cpu->env; env->psw.addr = ipl->start_addr; env->psw.mask = IPL_PSW_MASK; if (!ipl->kernel) { /* Tell firmware, if there is a preferred boot device */ env->regs[7] = -1; DeviceState *dev_st = get_boot_device(0); if (dev_st) { VirtioCcwDevice *ccw_dev = (VirtioCcwDevice *) object_dynamic_cast( OBJECT(qdev_get_parent_bus(dev_st)->parent), TYPE_VIRTIO_CCW_DEVICE); if (ccw_dev) { env->regs[7] = ccw_dev->sch->cssid << 24 | ccw_dev->sch->ssid << 16 | ccw_dev->sch->devno; } } } s390_add_running_cpu(cpu); }
static void s390_ipl_reset(DeviceState *dev) { S390IPLState *ipl = S390_IPL(dev); if (!ipl->reipl_requested) { ipl->iplb_valid = false; } ipl->reipl_requested = false; }
static void s390_ipl_reset(DeviceState *dev) { S390IPLState *ipl = S390_IPL(dev); if (!ipl->reipl_requested) { ipl->iplb_valid = false; memset(&ipl->iplb, 0, sizeof(IplParameterBlock)); } ipl->reipl_requested = false; }
static S390IPLState *get_ipl_device(void) { return S390_IPL(object_resolve_path_type("", TYPE_S390_IPL, NULL)); }
static bool iplb_extended_needed(void *opaque) { S390IPLState *ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL)); return ipl->iplbext_migration; }
static void s390_ipl_realize(DeviceState *dev, Error **errp) { S390IPLState *ipl = S390_IPL(dev); uint64_t pentry = KERN_IMAGE_START; int kernel_size; Error *err = NULL; int bios_size; char *bios_filename; /* * Always load the bios if it was enforced, * even if an external kernel has been defined. */ if (!ipl->kernel || ipl->enforce_bios) { uint64_t fwbase = (MIN(ram_size, 0x80000000U) - 0x200000) & ~0xffffUL; if (bios_name == NULL) { bios_name = ipl->firmware; } bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); if (bios_filename == NULL) { error_setg(&err, "could not find stage1 bootloader"); goto error; } bios_size = load_elf(bios_filename, bios_translate_addr, &fwbase, &ipl->bios_start_addr, NULL, NULL, 1, EM_S390, 0, 0); if (bios_size > 0) { /* Adjust ELF start address to final location */ ipl->bios_start_addr += fwbase; } else { /* Try to load non-ELF file */ bios_size = load_image_targphys(bios_filename, ZIPL_IMAGE_START, 4096); ipl->bios_start_addr = ZIPL_IMAGE_START; } g_free(bios_filename); if (bios_size == -1) { error_setg(&err, "could not load bootloader '%s'", bios_name); goto error; } /* default boot target is the bios */ ipl->start_addr = ipl->bios_start_addr; } if (ipl->kernel) { kernel_size = load_elf(ipl->kernel, NULL, NULL, &pentry, NULL, NULL, 1, EM_S390, 0, 0); if (kernel_size < 0) { kernel_size = load_image_targphys(ipl->kernel, 0, ram_size); } if (kernel_size < 0) { error_setg(&err, "could not load kernel '%s'", ipl->kernel); goto error; } /* * Is it a Linux kernel (starting at 0x10000)? If yes, we fill in the * kernel parameters here as well. Note: For old kernels (up to 3.2) * we can not rely on the ELF entry point - it was 0x800 (the SALIPL * loader) and it won't work. For this case we force it to 0x10000, too. */ if (pentry == KERN_IMAGE_START || pentry == 0x800) { ipl->start_addr = KERN_IMAGE_START; /* Overwrite parameters in the kernel image, which are "rom" */ strcpy(rom_ptr(KERN_PARM_AREA), ipl->cmdline); } else { ipl->start_addr = pentry; } if (ipl->initrd) { ram_addr_t initrd_offset; int initrd_size; initrd_offset = INITRD_START; while (kernel_size + 0x100000 > initrd_offset) { initrd_offset += 0x100000; } initrd_size = load_image_targphys(ipl->initrd, initrd_offset, ram_size - initrd_offset); if (initrd_size == -1) { error_setg(&err, "could not load initrd '%s'", ipl->initrd); goto error; } /* * we have to overwrite values in the kernel image, * which are "rom" */ stq_p(rom_ptr(INITRD_PARM_START), initrd_offset); stq_p(rom_ptr(INITRD_PARM_SIZE), initrd_size); } } /* * Don't ever use the migrated values, they could come from a different * BIOS and therefore don't work. But still migrate the values, so * QEMUs relying on it don't break. */ ipl->compat_start_addr = ipl->start_addr; ipl->compat_bios_start_addr = ipl->bios_start_addr; qemu_register_reset(qdev_reset_all_fn, dev); error: error_propagate(errp, err); }
static int s390_ipl_init(SysBusDevice *dev) { S390IPLState *ipl = S390_IPL(dev); ram_addr_t kernel_size = 0; if (!ipl->kernel) { ram_addr_t bios_size = 0; char *bios_filename; /* Load zipl bootloader */ if (bios_name == NULL) { bios_name = ipl->firmware; } bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); bios_size = load_elf(bios_filename, NULL, NULL, &ipl->start_addr, NULL, NULL, 1, ELF_MACHINE, 0); if (bios_size == -1UL) { bios_size = load_image_targphys(bios_filename, ZIPL_IMAGE_START, 4096); ipl->start_addr = ZIPL_IMAGE_START; if (bios_size > 4096) { hw_error("stage1 bootloader is > 4k\n"); } } g_free(bios_filename); if ((long)bios_size < 0) { hw_error("could not load bootloader '%s'\n", bios_name); } return 0; } else { kernel_size = load_elf(ipl->kernel, NULL, NULL, NULL, NULL, NULL, 1, ELF_MACHINE, 0); if (kernel_size == -1UL) { kernel_size = load_image_targphys(ipl->kernel, 0, ram_size); } if (kernel_size == -1UL) { fprintf(stderr, "could not load kernel '%s'\n", ipl->kernel); return -1; } /* we have to overwrite values in the kernel image, which are "rom" */ strcpy(rom_ptr(KERN_PARM_AREA), ipl->cmdline); /* * 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. */ ipl->start_addr = KERN_IMAGE_START; } if (ipl->initrd) { ram_addr_t initrd_offset, initrd_size; initrd_offset = INITRD_START; while (kernel_size + 0x100000 > initrd_offset) { initrd_offset += 0x100000; } initrd_size = load_image_targphys(ipl->initrd, initrd_offset, ram_size - initrd_offset); if (initrd_size == -1UL) { fprintf(stderr, "qemu: could not load initrd '%s'\n", ipl->initrd); exit(1); } /* we have to overwrite values in the kernel image, which are "rom" */ stq_p(rom_ptr(INITRD_PARM_START), initrd_offset); stq_p(rom_ptr(INITRD_PARM_SIZE), initrd_size); } return 0; }
static void s390_ipl_reset(DeviceState *dev) { S390IPLState *ipl = S390_IPL(dev); s390_ipl_cpu(ipl->start_addr); }
static int s390_ipl_init(SysBusDevice *dev) { S390IPLState *ipl = S390_IPL(dev); int kernel_size; if (!ipl->kernel) { int bios_size; char *bios_filename; /* Load zipl bootloader */ if (bios_name == NULL) { bios_name = ipl->firmware; } bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); if (bios_filename == NULL) { hw_error("could not find stage1 bootloader\n"); } bios_size = load_elf(bios_filename, NULL, NULL, &ipl->start_addr, NULL, NULL, 1, ELF_MACHINE, 0); if (bios_size < 0) { bios_size = load_image_targphys(bios_filename, ZIPL_IMAGE_START, 4096); ipl->start_addr = ZIPL_IMAGE_START; if (bios_size > 4096) { hw_error("stage1 bootloader is > 4k\n"); } } g_free(bios_filename); if (bios_size == -1) { hw_error("could not load bootloader '%s'\n", bios_name); } return 0; } else { uint64_t pentry = KERN_IMAGE_START; kernel_size = load_elf(ipl->kernel, NULL, NULL, &pentry, NULL, NULL, 1, ELF_MACHINE, 0); if (kernel_size < 0) { kernel_size = load_image_targphys(ipl->kernel, 0, ram_size); } if (kernel_size < 0) { fprintf(stderr, "could not load kernel '%s'\n", ipl->kernel); return -1; } /* * Is it a Linux kernel (starting at 0x10000)? If yes, we fill in the * kernel parameters here as well. Note: For old kernels (up to 3.2) * we can not rely on the ELF entry point - it was 0x800 (the SALIPL * loader) and it won't work. For this case we force it to 0x10000, too. */ if (pentry == KERN_IMAGE_START || pentry == 0x800) { ipl->start_addr = KERN_IMAGE_START; /* Overwrite parameters in the kernel image, which are "rom" */ strcpy(rom_ptr(KERN_PARM_AREA), ipl->cmdline); } else { ipl->start_addr = pentry; } } if (ipl->initrd) { ram_addr_t initrd_offset; int initrd_size; initrd_offset = INITRD_START; while (kernel_size + 0x100000 > initrd_offset) { initrd_offset += 0x100000; } initrd_size = load_image_targphys(ipl->initrd, initrd_offset, ram_size - initrd_offset); if (initrd_size == -1) { fprintf(stderr, "qemu: could not load initrd '%s'\n", ipl->initrd); exit(1); } /* we have to overwrite values in the kernel image, which are "rom" */ stq_p(rom_ptr(INITRD_PARM_START), initrd_offset); stq_p(rom_ptr(INITRD_PARM_SIZE), initrd_size); } return 0; }