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Commit | Line | Data |
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e674a49a CB |
1 | /* |
2 | * bootloader support | |
3 | * | |
4 | * Copyright IBM, Corp. 2012 | |
5 | * | |
6 | * Authors: | |
7 | * Christian Borntraeger <borntraeger@de.ibm.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or (at your | |
10 | * option) any later version. See the COPYING file in the top-level directory. | |
11 | * | |
12 | */ | |
13 | ||
9615495a | 14 | #include "qemu/osdep.h" |
da34e65c | 15 | #include "qapi/error.h" |
e674a49a CB |
16 | #include "sysemu/sysemu.h" |
17 | #include "cpu.h" | |
18 | #include "elf.h" | |
19 | #include "hw/loader.h" | |
bd1badf4 | 20 | #include "hw/boards.h" |
ba1509c0 DD |
21 | #include "hw/s390x/virtio-ccw.h" |
22 | #include "hw/s390x/css.h" | |
bd1badf4 | 23 | #include "hw/s390x/ebcdic.h" |
df75a4e2 | 24 | #include "ipl.h" |
f38b5b7f | 25 | #include "qemu/error-report.h" |
26b2a2a4 CW |
26 | #include "qemu/config-file.h" |
27 | #include "qemu/cutils.h" | |
28 | #include "qemu/option.h" | |
e674a49a CB |
29 | |
30 | #define KERN_IMAGE_START 0x010000UL | |
31 | #define KERN_PARM_AREA 0x010480UL | |
32 | #define INITRD_START 0x800000UL | |
33 | #define INITRD_PARM_START 0x010408UL | |
34 | #define INITRD_PARM_SIZE 0x010410UL | |
35 | #define PARMFILE_START 0x001000UL | |
e674a49a CB |
36 | #define ZIPL_IMAGE_START 0x009000UL |
37 | #define IPL_PSW_MASK (PSW_MASK_32 | PSW_MASK_64) | |
38 | ||
04ca4b92 AY |
39 | static bool iplb_extended_needed(void *opaque) |
40 | { | |
41 | S390IPLState *ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL)); | |
42 | ||
43 | return ipl->iplbext_migration; | |
44 | } | |
45 | ||
46 | static const VMStateDescription vmstate_iplb_extended = { | |
47 | .name = "ipl/iplb_extended", | |
48 | .version_id = 0, | |
49 | .minimum_version_id = 0, | |
50 | .needed = iplb_extended_needed, | |
51 | .fields = (VMStateField[]) { | |
52 | VMSTATE_UINT8_ARRAY(reserved_ext, IplParameterBlock, 4096 - 200), | |
53 | VMSTATE_END_OF_LIST() | |
54 | } | |
55 | }; | |
56 | ||
2e13fbe4 FZ |
57 | static const VMStateDescription vmstate_iplb = { |
58 | .name = "ipl/iplb", | |
59 | .version_id = 0, | |
60 | .minimum_version_id = 0, | |
61 | .fields = (VMStateField[]) { | |
62 | VMSTATE_UINT8_ARRAY(reserved1, IplParameterBlock, 110), | |
63 | VMSTATE_UINT16(devno, IplParameterBlock), | |
64 | VMSTATE_UINT8_ARRAY(reserved2, IplParameterBlock, 88), | |
65 | VMSTATE_END_OF_LIST() | |
04ca4b92 AY |
66 | }, |
67 | .subsections = (const VMStateDescription*[]) { | |
68 | &vmstate_iplb_extended, | |
69 | NULL | |
2e13fbe4 FZ |
70 | } |
71 | }; | |
72 | ||
73 | static const VMStateDescription vmstate_ipl = { | |
74 | .name = "ipl", | |
75 | .version_id = 0, | |
76 | .minimum_version_id = 0, | |
77 | .fields = (VMStateField[]) { | |
bb099546 DH |
78 | VMSTATE_UINT64(compat_start_addr, S390IPLState), |
79 | VMSTATE_UINT64(compat_bios_start_addr, S390IPLState), | |
2e13fbe4 FZ |
80 | VMSTATE_STRUCT(iplb, S390IPLState, 0, vmstate_iplb, IplParameterBlock), |
81 | VMSTATE_BOOL(iplb_valid, S390IPLState), | |
82 | VMSTATE_UINT8(cssid, S390IPLState), | |
83 | VMSTATE_UINT8(ssid, S390IPLState), | |
84 | VMSTATE_UINT16(devno, S390IPLState), | |
85 | VMSTATE_END_OF_LIST() | |
86 | } | |
87 | }; | |
e674a49a | 88 | |
feacc6c2 DH |
89 | static S390IPLState *get_ipl_device(void) |
90 | { | |
91 | return S390_IPL(object_resolve_path_type("", TYPE_S390_IPL, NULL)); | |
92 | } | |
93 | ||
d884c86d TH |
94 | static uint64_t bios_translate_addr(void *opaque, uint64_t srcaddr) |
95 | { | |
96 | uint64_t dstaddr = *(uint64_t *) opaque; | |
97 | /* | |
98 | * Assuming that our s390-ccw.img was linked for starting at address 0, | |
99 | * we can simply add the destination address for the final location | |
100 | */ | |
101 | return srcaddr + dstaddr; | |
102 | } | |
103 | ||
04fccf10 | 104 | static void s390_ipl_realize(DeviceState *dev, Error **errp) |
e674a49a CB |
105 | { |
106 | S390IPLState *ipl = S390_IPL(dev); | |
7691993c | 107 | uint64_t pentry = KERN_IMAGE_START; |
376827d4 | 108 | int kernel_size; |
e6da780d | 109 | Error *err = NULL; |
e674a49a | 110 | |
f0180f91 FZ |
111 | int bios_size; |
112 | char *bios_filename; | |
e674a49a | 113 | |
f0180f91 FZ |
114 | /* |
115 | * Always load the bios if it was enforced, | |
116 | * even if an external kernel has been defined. | |
117 | */ | |
118 | if (!ipl->kernel || ipl->enforce_bios) { | |
d884c86d TH |
119 | uint64_t fwbase = (MIN(ram_size, 0x80000000U) - 0x200000) & ~0xffffUL; |
120 | ||
e674a49a | 121 | if (bios_name == NULL) { |
d0249ce5 | 122 | bios_name = ipl->firmware; |
e674a49a CB |
123 | } |
124 | ||
125 | bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); | |
1f7de853 | 126 | if (bios_filename == NULL) { |
e6da780d | 127 | error_setg(&err, "could not find stage1 bootloader"); |
8f04e88e | 128 | goto error; |
1f7de853 DD |
129 | } |
130 | ||
d884c86d TH |
131 | bios_size = load_elf(bios_filename, bios_translate_addr, &fwbase, |
132 | &ipl->bios_start_addr, NULL, NULL, 1, | |
7ef295ea | 133 | EM_S390, 0, 0); |
d884c86d TH |
134 | if (bios_size > 0) { |
135 | /* Adjust ELF start address to final location */ | |
136 | ipl->bios_start_addr += fwbase; | |
137 | } else { | |
f35c1f66 | 138 | /* Try to load non-ELF file */ |
33259956 AG |
139 | bios_size = load_image_targphys(bios_filename, ZIPL_IMAGE_START, |
140 | 4096); | |
f0180f91 | 141 | ipl->bios_start_addr = ZIPL_IMAGE_START; |
33259956 | 142 | } |
e674a49a CB |
143 | g_free(bios_filename); |
144 | ||
376827d4 | 145 | if (bios_size == -1) { |
e6da780d | 146 | error_setg(&err, "could not load bootloader '%s'", bios_name); |
8f04e88e | 147 | goto error; |
e674a49a | 148 | } |
7691993c | 149 | |
f0180f91 FZ |
150 | /* default boot target is the bios */ |
151 | ipl->start_addr = ipl->bios_start_addr; | |
e674a49a | 152 | } |
7691993c | 153 | |
f0180f91 FZ |
154 | if (ipl->kernel) { |
155 | kernel_size = load_elf(ipl->kernel, NULL, NULL, &pentry, NULL, | |
7ef295ea | 156 | NULL, 1, EM_S390, 0, 0); |
f0180f91 FZ |
157 | if (kernel_size < 0) { |
158 | kernel_size = load_image_targphys(ipl->kernel, 0, ram_size); | |
159 | } | |
160 | if (kernel_size < 0) { | |
e6da780d | 161 | error_setg(&err, "could not load kernel '%s'", ipl->kernel); |
8f04e88e | 162 | goto error; |
e674a49a | 163 | } |
f0180f91 FZ |
164 | /* |
165 | * Is it a Linux kernel (starting at 0x10000)? If yes, we fill in the | |
166 | * kernel parameters here as well. Note: For old kernels (up to 3.2) | |
167 | * we can not rely on the ELF entry point - it was 0x800 (the SALIPL | |
168 | * loader) and it won't work. For this case we force it to 0x10000, too. | |
169 | */ | |
170 | if (pentry == KERN_IMAGE_START || pentry == 0x800) { | |
171 | ipl->start_addr = KERN_IMAGE_START; | |
172 | /* Overwrite parameters in the kernel image, which are "rom" */ | |
173 | strcpy(rom_ptr(KERN_PARM_AREA), ipl->cmdline); | |
174 | } else { | |
175 | ipl->start_addr = pentry; | |
e674a49a CB |
176 | } |
177 | ||
f0180f91 FZ |
178 | if (ipl->initrd) { |
179 | ram_addr_t initrd_offset; | |
180 | int initrd_size; | |
181 | ||
182 | initrd_offset = INITRD_START; | |
183 | while (kernel_size + 0x100000 > initrd_offset) { | |
184 | initrd_offset += 0x100000; | |
185 | } | |
186 | initrd_size = load_image_targphys(ipl->initrd, initrd_offset, | |
187 | ram_size - initrd_offset); | |
188 | if (initrd_size == -1) { | |
e6da780d | 189 | error_setg(&err, "could not load initrd '%s'", ipl->initrd); |
8f04e88e | 190 | goto error; |
f0180f91 | 191 | } |
e674a49a | 192 | |
f0180f91 FZ |
193 | /* |
194 | * we have to overwrite values in the kernel image, | |
195 | * which are "rom" | |
196 | */ | |
197 | stq_p(rom_ptr(INITRD_PARM_START), initrd_offset); | |
198 | stq_p(rom_ptr(INITRD_PARM_SIZE), initrd_size); | |
199 | } | |
200 | } | |
bb099546 DH |
201 | /* |
202 | * Don't ever use the migrated values, they could come from a different | |
203 | * BIOS and therefore don't work. But still migrate the values, so | |
204 | * QEMUs relying on it don't break. | |
205 | */ | |
206 | ipl->compat_start_addr = ipl->start_addr; | |
207 | ipl->compat_bios_start_addr = ipl->bios_start_addr; | |
04fccf10 | 208 | qemu_register_reset(qdev_reset_all_fn, dev); |
8f04e88e | 209 | error: |
e6da780d | 210 | error_propagate(errp, err); |
e674a49a CB |
211 | } |
212 | ||
213 | static Property s390_ipl_properties[] = { | |
214 | DEFINE_PROP_STRING("kernel", S390IPLState, kernel), | |
215 | DEFINE_PROP_STRING("initrd", S390IPLState, initrd), | |
216 | DEFINE_PROP_STRING("cmdline", S390IPLState, cmdline), | |
d0249ce5 | 217 | DEFINE_PROP_STRING("firmware", S390IPLState, firmware), |
5f31ade0 | 218 | DEFINE_PROP_STRING("netboot_fw", S390IPLState, netboot_fw), |
f0180f91 | 219 | DEFINE_PROP_BOOL("enforce_bios", S390IPLState, enforce_bios, false), |
04ca4b92 AY |
220 | DEFINE_PROP_BOOL("iplbext_migration", S390IPLState, iplbext_migration, |
221 | true), | |
e674a49a CB |
222 | DEFINE_PROP_END_OF_LIST(), |
223 | }; | |
224 | ||
26b2a2a4 CW |
225 | static void s390_ipl_set_boot_menu(S390IPLState *ipl) |
226 | { | |
227 | QemuOptsList *plist = qemu_find_opts("boot-opts"); | |
228 | QemuOpts *opts = QTAILQ_FIRST(&plist->head); | |
229 | uint8_t *flags = &ipl->qipl.qipl_flags; | |
230 | uint32_t *timeout = &ipl->qipl.boot_menu_timeout; | |
231 | const char *tmp; | |
232 | unsigned long splash_time = 0; | |
233 | ||
234 | if (!get_boot_device(0)) { | |
235 | if (boot_menu) { | |
236 | error_report("boot menu requires a bootindex to be specified for " | |
237 | "the IPL device."); | |
238 | } | |
239 | return; | |
240 | } | |
241 | ||
242 | switch (ipl->iplb.pbt) { | |
243 | case S390_IPL_TYPE_CCW: | |
53b310ce CW |
244 | /* In the absence of -boot menu, use zipl parameters */ |
245 | if (!qemu_opt_get(opts, "menu")) { | |
246 | *flags |= QIPL_FLAG_BM_OPTS_ZIPL; | |
247 | return; | |
248 | } | |
26b2a2a4 CW |
249 | break; |
250 | default: | |
251 | error_report("boot menu is not supported for this device type."); | |
252 | return; | |
253 | } | |
254 | ||
255 | if (!boot_menu) { | |
256 | return; | |
257 | } | |
258 | ||
259 | *flags |= QIPL_FLAG_BM_OPTS_CMD; | |
260 | ||
261 | tmp = qemu_opt_get(opts, "splash-time"); | |
262 | ||
263 | if (tmp && qemu_strtoul(tmp, NULL, 10, &splash_time)) { | |
264 | error_report("splash-time is invalid, forcing it to 0."); | |
265 | *timeout = 0; | |
266 | return; | |
267 | } | |
268 | ||
269 | if (splash_time > 0xffffffff) { | |
270 | error_report("splash-time is too large, forcing it to max value."); | |
271 | *timeout = 0xffffffff; | |
272 | return; | |
273 | } | |
274 | ||
275 | *timeout = cpu_to_be32(splash_time); | |
276 | } | |
277 | ||
010d45d2 | 278 | static bool s390_gen_initial_iplb(S390IPLState *ipl) |
df75a4e2 FZ |
279 | { |
280 | DeviceState *dev_st; | |
281 | ||
df75a4e2 FZ |
282 | dev_st = get_boot_device(0); |
283 | if (dev_st) { | |
b804e8a6 JL |
284 | VirtioCcwDevice *virtio_ccw_dev = (VirtioCcwDevice *) |
285 | object_dynamic_cast(OBJECT(qdev_get_parent_bus(dev_st)->parent), | |
df75a4e2 | 286 | TYPE_VIRTIO_CCW_DEVICE); |
e468b673 AY |
287 | SCSIDevice *sd = (SCSIDevice *) object_dynamic_cast(OBJECT(dev_st), |
288 | TYPE_SCSI_DEVICE); | |
f38b5b7f FA |
289 | VirtIONet *vn = (VirtIONet *) object_dynamic_cast(OBJECT(dev_st), |
290 | TYPE_VIRTIO_NET); | |
291 | ||
292 | if (vn) { | |
293 | ipl->netboot = true; | |
294 | } | |
b804e8a6 JL |
295 | if (virtio_ccw_dev) { |
296 | CcwDevice *ccw_dev = CCW_DEVICE(virtio_ccw_dev); | |
297 | ||
6aed9589 AY |
298 | ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_CCW_LEN); |
299 | ipl->iplb.blk0_len = | |
300 | cpu_to_be32(S390_IPLB_MIN_CCW_LEN - S390_IPLB_HEADER_LEN); | |
301 | ipl->iplb.pbt = S390_IPL_TYPE_CCW; | |
302 | ipl->iplb.ccw.devno = cpu_to_be16(ccw_dev->sch->devno); | |
3041e3be | 303 | ipl->iplb.ccw.ssid = ccw_dev->sch->ssid & 3; |
e468b673 AY |
304 | } else if (sd) { |
305 | SCSIBus *bus = scsi_bus_from_device(sd); | |
306 | VirtIOSCSI *vdev = container_of(bus, VirtIOSCSI, bus); | |
307 | VirtIOSCSICcw *scsi_ccw = container_of(vdev, VirtIOSCSICcw, vdev); | |
99efaa26 TH |
308 | CcwDevice *ccw_dev; |
309 | ||
310 | ccw_dev = (CcwDevice *)object_dynamic_cast(OBJECT(scsi_ccw), | |
311 | TYPE_CCW_DEVICE); | |
312 | if (!ccw_dev) { /* It might be a PCI device instead */ | |
313 | return false; | |
314 | } | |
e468b673 AY |
315 | |
316 | ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN); | |
317 | ipl->iplb.blk0_len = | |
318 | cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN - S390_IPLB_HEADER_LEN); | |
319 | ipl->iplb.pbt = S390_IPL_TYPE_QEMU_SCSI; | |
320 | ipl->iplb.scsi.lun = cpu_to_be32(sd->lun); | |
321 | ipl->iplb.scsi.target = cpu_to_be16(sd->id); | |
322 | ipl->iplb.scsi.channel = cpu_to_be16(sd->channel); | |
b804e8a6 JL |
323 | ipl->iplb.scsi.devno = cpu_to_be16(ccw_dev->sch->devno); |
324 | ipl->iplb.scsi.ssid = ccw_dev->sch->ssid & 3; | |
bd1badf4 FA |
325 | } else { |
326 | return false; /* unknown device */ | |
327 | } | |
328 | ||
329 | if (!s390_ipl_set_loadparm(ipl->iplb.loadparm)) { | |
330 | ipl->iplb.flags |= DIAG308_FLAGS_LP_VALID; | |
df75a4e2 | 331 | } |
bd1badf4 | 332 | return true; |
df75a4e2 FZ |
333 | } |
334 | ||
010d45d2 | 335 | return false; |
df75a4e2 FZ |
336 | } |
337 | ||
bd1badf4 FA |
338 | int s390_ipl_set_loadparm(uint8_t *loadparm) |
339 | { | |
340 | MachineState *machine = MACHINE(qdev_get_machine()); | |
341 | char *lp = object_property_get_str(OBJECT(machine), "loadparm", NULL); | |
342 | ||
343 | if (lp) { | |
344 | int i; | |
345 | ||
346 | /* lp is an uppercase string without leading/embedded spaces */ | |
347 | for (i = 0; i < 8 && lp[i]; i++) { | |
348 | loadparm[i] = ascii2ebcdic[(uint8_t) lp[i]]; | |
349 | } | |
350 | ||
351 | g_free(lp); | |
352 | return 0; | |
353 | } | |
354 | ||
355 | return -1; | |
356 | } | |
357 | ||
f38b5b7f FA |
358 | static int load_netboot_image(Error **errp) |
359 | { | |
360 | S390IPLState *ipl = get_ipl_device(); | |
361 | char *netboot_filename; | |
362 | MemoryRegion *sysmem = get_system_memory(); | |
363 | MemoryRegion *mr = NULL; | |
364 | void *ram_ptr = NULL; | |
365 | int img_size = -1; | |
366 | ||
367 | mr = memory_region_find(sysmem, 0, 1).mr; | |
368 | if (!mr) { | |
369 | error_setg(errp, "Failed to find memory region at address 0"); | |
370 | return -1; | |
371 | } | |
372 | ||
373 | ram_ptr = memory_region_get_ram_ptr(mr); | |
374 | if (!ram_ptr) { | |
375 | error_setg(errp, "No RAM found"); | |
376 | goto unref_mr; | |
377 | } | |
378 | ||
379 | netboot_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, ipl->netboot_fw); | |
380 | if (netboot_filename == NULL) { | |
381 | error_setg(errp, "Could not find network bootloader"); | |
382 | goto unref_mr; | |
383 | } | |
384 | ||
385 | img_size = load_elf_ram(netboot_filename, NULL, NULL, &ipl->start_addr, | |
386 | NULL, NULL, 1, EM_S390, 0, 0, NULL, false); | |
387 | ||
388 | if (img_size < 0) { | |
389 | img_size = load_image_size(netboot_filename, ram_ptr, ram_size); | |
390 | ipl->start_addr = KERN_IMAGE_START; | |
391 | } | |
392 | ||
393 | if (img_size < 0) { | |
394 | error_setg(errp, "Failed to load network bootloader"); | |
395 | } | |
396 | ||
397 | g_free(netboot_filename); | |
398 | ||
399 | unref_mr: | |
400 | memory_region_unref(mr); | |
401 | return img_size; | |
402 | } | |
403 | ||
404 | static bool is_virtio_net_device(IplParameterBlock *iplb) | |
405 | { | |
406 | uint8_t cssid; | |
407 | uint8_t ssid; | |
408 | uint16_t devno; | |
409 | uint16_t schid; | |
410 | SubchDev *sch = NULL; | |
411 | ||
412 | if (iplb->pbt != S390_IPL_TYPE_CCW) { | |
413 | return false; | |
414 | } | |
415 | ||
416 | devno = be16_to_cpu(iplb->ccw.devno); | |
417 | ssid = iplb->ccw.ssid & 3; | |
418 | ||
419 | for (schid = 0; schid < MAX_SCHID; schid++) { | |
420 | for (cssid = 0; cssid < MAX_CSSID; cssid++) { | |
421 | sch = css_find_subch(1, cssid, ssid, schid); | |
422 | ||
423 | if (sch && sch->devno == devno) { | |
424 | return sch->id.cu_model == VIRTIO_ID_NET; | |
425 | } | |
426 | } | |
427 | } | |
428 | return false; | |
429 | } | |
430 | ||
feacc6c2 | 431 | void s390_ipl_update_diag308(IplParameterBlock *iplb) |
df75a4e2 | 432 | { |
feacc6c2 | 433 | S390IPLState *ipl = get_ipl_device(); |
df75a4e2 | 434 | |
feacc6c2 DH |
435 | ipl->iplb = *iplb; |
436 | ipl->iplb_valid = true; | |
f38b5b7f | 437 | ipl->netboot = is_virtio_net_device(iplb); |
df75a4e2 FZ |
438 | } |
439 | ||
440 | IplParameterBlock *s390_ipl_get_iplb(void) | |
441 | { | |
feacc6c2 | 442 | S390IPLState *ipl = get_ipl_device(); |
df75a4e2 | 443 | |
feacc6c2 | 444 | if (!ipl->iplb_valid) { |
df75a4e2 FZ |
445 | return NULL; |
446 | } | |
447 | return &ipl->iplb; | |
448 | } | |
449 | ||
e91e972c FZ |
450 | void s390_reipl_request(void) |
451 | { | |
feacc6c2 | 452 | S390IPLState *ipl = get_ipl_device(); |
e91e972c | 453 | |
e91e972c | 454 | ipl->reipl_requested = true; |
cf83f140 | 455 | qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); |
e91e972c FZ |
456 | } |
457 | ||
118ee80f CW |
458 | static void s390_ipl_prepare_qipl(S390CPU *cpu) |
459 | { | |
460 | S390IPLState *ipl = get_ipl_device(); | |
461 | uint8_t *addr; | |
462 | uint64_t len = 4096; | |
463 | ||
464 | addr = cpu_physical_memory_map(cpu->env.psa, &len, 1); | |
465 | if (!addr || len < QIPL_ADDRESS + sizeof(QemuIplParameters)) { | |
466 | error_report("Cannot set QEMU IPL parameters"); | |
467 | return; | |
468 | } | |
469 | memcpy(addr + QIPL_ADDRESS, &ipl->qipl, sizeof(QemuIplParameters)); | |
470 | cpu_physical_memory_unmap(addr, len, 1, len); | |
471 | } | |
472 | ||
db3b2566 DH |
473 | void s390_ipl_prepare_cpu(S390CPU *cpu) |
474 | { | |
475 | S390IPLState *ipl = get_ipl_device(); | |
f38b5b7f | 476 | Error *err = NULL; |
db3b2566 DH |
477 | |
478 | cpu->env.psw.addr = ipl->start_addr; | |
479 | cpu->env.psw.mask = IPL_PSW_MASK; | |
480 | ||
481 | if (!ipl->kernel || ipl->iplb_valid) { | |
482 | cpu->env.psw.addr = ipl->bios_start_addr; | |
010d45d2 AY |
483 | if (!ipl->iplb_valid) { |
484 | ipl->iplb_valid = s390_gen_initial_iplb(ipl); | |
485 | } | |
db3b2566 | 486 | } |
f38b5b7f FA |
487 | if (ipl->netboot) { |
488 | if (load_netboot_image(&err) < 0) { | |
489 | error_report_err(err); | |
490 | vm_stop(RUN_STATE_INTERNAL_ERROR); | |
491 | } | |
118ee80f | 492 | ipl->qipl.netboot_start_addr = cpu_to_be64(ipl->start_addr); |
f38b5b7f | 493 | } |
26b2a2a4 | 494 | s390_ipl_set_boot_menu(ipl); |
118ee80f | 495 | s390_ipl_prepare_qipl(cpu); |
db3b2566 DH |
496 | } |
497 | ||
e674a49a CB |
498 | static void s390_ipl_reset(DeviceState *dev) |
499 | { | |
500 | S390IPLState *ipl = S390_IPL(dev); | |
ba1509c0 | 501 | |
e91e972c FZ |
502 | if (!ipl->reipl_requested) { |
503 | ipl->iplb_valid = false; | |
6aed9589 | 504 | memset(&ipl->iplb, 0, sizeof(IplParameterBlock)); |
e91e972c FZ |
505 | } |
506 | ipl->reipl_requested = false; | |
e674a49a CB |
507 | } |
508 | ||
509 | static void s390_ipl_class_init(ObjectClass *klass, void *data) | |
510 | { | |
511 | DeviceClass *dc = DEVICE_CLASS(klass); | |
e674a49a | 512 | |
04fccf10 | 513 | dc->realize = s390_ipl_realize; |
e674a49a CB |
514 | dc->props = s390_ipl_properties; |
515 | dc->reset = s390_ipl_reset; | |
2e13fbe4 | 516 | dc->vmsd = &vmstate_ipl; |
b4ab4572 | 517 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); |
0d4fa499 TH |
518 | /* Reason: Loads the ROMs and thus can only be used one time - internally */ |
519 | dc->user_creatable = false; | |
e674a49a CB |
520 | } |
521 | ||
49973ebc | 522 | static const TypeInfo s390_ipl_info = { |
e674a49a | 523 | .class_init = s390_ipl_class_init, |
04fccf10 DH |
524 | .parent = TYPE_DEVICE, |
525 | .name = TYPE_S390_IPL, | |
e674a49a CB |
526 | .instance_size = sizeof(S390IPLState), |
527 | }; | |
528 | ||
529 | static void s390_ipl_register_types(void) | |
530 | { | |
531 | type_register_static(&s390_ipl_info); | |
532 | } | |
533 | ||
534 | type_init(s390_ipl_register_types) |