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15#include "qemu/osdep.h"
16#include "qemu-common.h"
17#include "qemu/datadir.h"
18#include "qapi/error.h"
19#include "sysemu/reset.h"
20#include "sysemu/runstate.h"
21#include "sysemu/tcg.h"
22#include "elf.h"
23#include "hw/loader.h"
24#include "hw/qdev-properties.h"
25#include "hw/boards.h"
26#include "hw/s390x/virtio-ccw.h"
27#include "hw/s390x/vfio-ccw.h"
28#include "hw/s390x/css.h"
29#include "hw/s390x/ebcdic.h"
30#include "hw/s390x/pv.h"
31#include "ipl.h"
32#include "qemu/error-report.h"
33#include "qemu/config-file.h"
34#include "qemu/cutils.h"
35#include "qemu/option.h"
36#include "exec/exec-all.h"
37
38#define KERN_IMAGE_START 0x010000UL
39#define LINUX_MAGIC_ADDR 0x010008UL
40#define KERN_PARM_AREA 0x010480UL
41#define KERN_PARM_AREA_SIZE 0x000380UL
42#define INITRD_START 0x800000UL
43#define INITRD_PARM_START 0x010408UL
44#define PARMFILE_START 0x001000UL
45#define ZIPL_IMAGE_START 0x009000UL
46#define IPL_PSW_MASK (PSW_MASK_32 | PSW_MASK_64)
47
48static bool iplb_extended_needed(void *opaque)
49{
50 S390IPLState *ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL));
51
52 return ipl->iplbext_migration;
53}
54
55static const VMStateDescription vmstate_iplb_extended = {
56 .name = "ipl/iplb_extended",
57 .version_id = 0,
58 .minimum_version_id = 0,
59 .needed = iplb_extended_needed,
60 .fields = (VMStateField[]) {
61 VMSTATE_UINT8_ARRAY(reserved_ext, IplParameterBlock, 4096 - 200),
62 VMSTATE_END_OF_LIST()
63 }
64};
65
66static const VMStateDescription vmstate_iplb = {
67 .name = "ipl/iplb",
68 .version_id = 0,
69 .minimum_version_id = 0,
70 .fields = (VMStateField[]) {
71 VMSTATE_UINT8_ARRAY(reserved1, IplParameterBlock, 110),
72 VMSTATE_UINT16(devno, IplParameterBlock),
73 VMSTATE_UINT8_ARRAY(reserved2, IplParameterBlock, 88),
74 VMSTATE_END_OF_LIST()
75 },
76 .subsections = (const VMStateDescription*[]) {
77 &vmstate_iplb_extended,
78 NULL
79 }
80};
81
82static const VMStateDescription vmstate_ipl = {
83 .name = "ipl",
84 .version_id = 0,
85 .minimum_version_id = 0,
86 .fields = (VMStateField[]) {
87 VMSTATE_UINT64(compat_start_addr, S390IPLState),
88 VMSTATE_UINT64(compat_bios_start_addr, S390IPLState),
89 VMSTATE_STRUCT(iplb, S390IPLState, 0, vmstate_iplb, IplParameterBlock),
90 VMSTATE_BOOL(iplb_valid, S390IPLState),
91 VMSTATE_UINT8(cssid, S390IPLState),
92 VMSTATE_UINT8(ssid, S390IPLState),
93 VMSTATE_UINT16(devno, S390IPLState),
94 VMSTATE_END_OF_LIST()
95 }
96};
97
98static S390IPLState *get_ipl_device(void)
99{
100 return S390_IPL(object_resolve_path_type("", TYPE_S390_IPL, NULL));
101}
102
103static uint64_t bios_translate_addr(void *opaque, uint64_t srcaddr)
104{
105 uint64_t dstaddr = *(uint64_t *) opaque;
106
107
108
109
110 return srcaddr + dstaddr;
111}
112
113static void s390_ipl_realize(DeviceState *dev, Error **errp)
114{
115 MachineState *ms = MACHINE(qdev_get_machine());
116 S390IPLState *ipl = S390_IPL(dev);
117 uint32_t *ipl_psw;
118 uint64_t pentry;
119 char *magic;
120 int kernel_size;
121
122 int bios_size;
123 char *bios_filename;
124
125
126
127
128
129 if (!ipl->kernel || ipl->enforce_bios) {
130 uint64_t fwbase = (MIN(ms->ram_size, 0x80000000U) - 0x200000) & ~0xffffUL;
131
132 bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, ipl->firmware);
133 if (bios_filename == NULL) {
134 error_setg(errp, "could not find stage1 bootloader");
135 return;
136 }
137
138 bios_size = load_elf(bios_filename, NULL,
139 bios_translate_addr, &fwbase,
140 &ipl->bios_start_addr, NULL, NULL, NULL, 1,
141 EM_S390, 0, 0);
142 if (bios_size > 0) {
143
144 ipl->bios_start_addr += fwbase;
145 } else {
146
147 bios_size = load_image_targphys(bios_filename, ZIPL_IMAGE_START,
148 4096);
149 ipl->bios_start_addr = ZIPL_IMAGE_START;
150 }
151 g_free(bios_filename);
152
153 if (bios_size == -1) {
154 error_setg(errp, "could not load bootloader '%s'", ipl->firmware);
155 return;
156 }
157
158
159 ipl->start_addr = ipl->bios_start_addr;
160 }
161
162 if (ipl->kernel) {
163 kernel_size = load_elf(ipl->kernel, NULL, NULL, NULL,
164 &pentry, NULL,
165 NULL, NULL, 1, EM_S390, 0, 0);
166 if (kernel_size < 0) {
167 kernel_size = load_image_targphys(ipl->kernel, 0, ms->ram_size);
168 if (kernel_size < 0) {
169 error_setg(errp, "could not load kernel '%s'", ipl->kernel);
170 return;
171 }
172
173 magic = rom_ptr(LINUX_MAGIC_ADDR, 6);
174 if (magic && !memcmp(magic, "S390EP", 6)) {
175 pentry = KERN_IMAGE_START;
176 } else {
177
178 ipl_psw = rom_ptr(4, 4);
179 if (ipl_psw) {
180 pentry = be32_to_cpu(*ipl_psw) & PSW_MASK_SHORT_ADDR;
181 } else {
182 error_setg(errp, "Could not get IPL PSW");
183 return;
184 }
185 }
186 }
187
188
189
190
191
192
193 if (pentry == KERN_IMAGE_START || pentry == 0x800) {
194 size_t cmdline_size = strlen(ipl->cmdline) + 1;
195 char *parm_area = rom_ptr(KERN_PARM_AREA, cmdline_size);
196
197 ipl->start_addr = KERN_IMAGE_START;
198
199 if (parm_area) {
200 if (cmdline_size > KERN_PARM_AREA_SIZE) {
201 error_setg(errp,
202 "kernel command line exceeds maximum size: %zu > %lu",
203 cmdline_size, KERN_PARM_AREA_SIZE);
204 return;
205 }
206
207 strcpy(parm_area, ipl->cmdline);
208 }
209 } else {
210 ipl->start_addr = pentry;
211 }
212
213 if (ipl->initrd) {
214 ram_addr_t initrd_offset;
215 int initrd_size;
216 uint64_t *romptr;
217
218 initrd_offset = INITRD_START;
219 while (kernel_size + 0x100000 > initrd_offset) {
220 initrd_offset += 0x100000;
221 }
222 initrd_size = load_image_targphys(ipl->initrd, initrd_offset,
223 ms->ram_size - initrd_offset);
224 if (initrd_size == -1) {
225 error_setg(errp, "could not load initrd '%s'", ipl->initrd);
226 return;
227 }
228
229
230
231
232
233 romptr = rom_ptr(INITRD_PARM_START, 16);
234 if (romptr) {
235 stq_p(romptr, initrd_offset);
236 stq_p(romptr + 1, initrd_size);
237 }
238 }
239 }
240
241
242
243
244
245 ipl->compat_start_addr = ipl->start_addr;
246 ipl->compat_bios_start_addr = ipl->bios_start_addr;
247
248
249
250
251
252
253
254
255 qemu_register_reset(resettable_cold_reset_fn, dev);
256}
257
258static Property s390_ipl_properties[] = {
259 DEFINE_PROP_STRING("kernel", S390IPLState, kernel),
260 DEFINE_PROP_STRING("initrd", S390IPLState, initrd),
261 DEFINE_PROP_STRING("cmdline", S390IPLState, cmdline),
262 DEFINE_PROP_STRING("firmware", S390IPLState, firmware),
263 DEFINE_PROP_STRING("netboot_fw", S390IPLState, netboot_fw),
264 DEFINE_PROP_BOOL("enforce_bios", S390IPLState, enforce_bios, false),
265 DEFINE_PROP_BOOL("iplbext_migration", S390IPLState, iplbext_migration,
266 true),
267 DEFINE_PROP_END_OF_LIST(),
268};
269
270static void s390_ipl_set_boot_menu(S390IPLState *ipl)
271{
272 QemuOptsList *plist = qemu_find_opts("boot-opts");
273 QemuOpts *opts = QTAILQ_FIRST(&plist->head);
274 const char *tmp;
275 unsigned long splash_time = 0;
276
277 if (!get_boot_device(0)) {
278 if (boot_menu) {
279 error_report("boot menu requires a bootindex to be specified for "
280 "the IPL device");
281 }
282 return;
283 }
284
285 switch (ipl->iplb.pbt) {
286 case S390_IPL_TYPE_CCW:
287
288 if (!qemu_opt_get(opts, "menu")) {
289 ipl->qipl.qipl_flags |= QIPL_FLAG_BM_OPTS_ZIPL;
290 return;
291 }
292 break;
293 case S390_IPL_TYPE_QEMU_SCSI:
294 break;
295 default:
296 if (boot_menu) {
297 error_report("boot menu is not supported for this device type");
298 }
299 return;
300 }
301
302 if (!boot_menu) {
303 return;
304 }
305
306 ipl->qipl.qipl_flags |= QIPL_FLAG_BM_OPTS_CMD;
307
308 tmp = qemu_opt_get(opts, "splash-time");
309
310 if (tmp && qemu_strtoul(tmp, NULL, 10, &splash_time)) {
311 error_report("splash-time is invalid, forcing it to 0");
312 ipl->qipl.boot_menu_timeout = 0;
313 return;
314 }
315
316 if (splash_time > 0xffffffff) {
317 error_report("splash-time is too large, forcing it to max value");
318 ipl->qipl.boot_menu_timeout = 0xffffffff;
319 return;
320 }
321
322 ipl->qipl.boot_menu_timeout = cpu_to_be32(splash_time);
323}
324
325#define CCW_DEVTYPE_NONE 0x00
326#define CCW_DEVTYPE_VIRTIO 0x01
327#define CCW_DEVTYPE_VIRTIO_NET 0x02
328#define CCW_DEVTYPE_SCSI 0x03
329#define CCW_DEVTYPE_VFIO 0x04
330
331static CcwDevice *s390_get_ccw_device(DeviceState *dev_st, int *devtype)
332{
333 CcwDevice *ccw_dev = NULL;
334 int tmp_dt = CCW_DEVTYPE_NONE;
335
336 if (dev_st) {
337 VirtIONet *virtio_net_dev = (VirtIONet *)
338 object_dynamic_cast(OBJECT(dev_st), TYPE_VIRTIO_NET);
339 VirtioCcwDevice *virtio_ccw_dev = (VirtioCcwDevice *)
340 object_dynamic_cast(OBJECT(qdev_get_parent_bus(dev_st)->parent),
341 TYPE_VIRTIO_CCW_DEVICE);
342 VFIOCCWDevice *vfio_ccw_dev = (VFIOCCWDevice *)
343 object_dynamic_cast(OBJECT(dev_st), TYPE_VFIO_CCW);
344
345 if (virtio_ccw_dev) {
346 ccw_dev = CCW_DEVICE(virtio_ccw_dev);
347 if (virtio_net_dev) {
348 tmp_dt = CCW_DEVTYPE_VIRTIO_NET;
349 } else {
350 tmp_dt = CCW_DEVTYPE_VIRTIO;
351 }
352 } else if (vfio_ccw_dev) {
353 ccw_dev = CCW_DEVICE(vfio_ccw_dev);
354 tmp_dt = CCW_DEVTYPE_VFIO;
355 } else {
356 SCSIDevice *sd = (SCSIDevice *)
357 object_dynamic_cast(OBJECT(dev_st),
358 TYPE_SCSI_DEVICE);
359 if (sd) {
360 SCSIBus *bus = scsi_bus_from_device(sd);
361 VirtIOSCSI *vdev = container_of(bus, VirtIOSCSI, bus);
362 VirtIOSCSICcw *scsi_ccw = container_of(vdev, VirtIOSCSICcw,
363 vdev);
364
365 ccw_dev = (CcwDevice *)object_dynamic_cast(OBJECT(scsi_ccw),
366 TYPE_CCW_DEVICE);
367 tmp_dt = CCW_DEVTYPE_SCSI;
368 }
369 }
370 }
371 if (devtype) {
372 *devtype = tmp_dt;
373 }
374 return ccw_dev;
375}
376
377static bool s390_gen_initial_iplb(S390IPLState *ipl)
378{
379 DeviceState *dev_st;
380 CcwDevice *ccw_dev = NULL;
381 SCSIDevice *sd;
382 int devtype;
383
384 dev_st = get_boot_device(0);
385 if (dev_st) {
386 ccw_dev = s390_get_ccw_device(dev_st, &devtype);
387 }
388
389
390
391
392 if (ccw_dev) {
393 switch (devtype) {
394 case CCW_DEVTYPE_SCSI:
395 sd = SCSI_DEVICE(dev_st);
396 ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN);
397 ipl->iplb.blk0_len =
398 cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN - S390_IPLB_HEADER_LEN);
399 ipl->iplb.pbt = S390_IPL_TYPE_QEMU_SCSI;
400 ipl->iplb.scsi.lun = cpu_to_be32(sd->lun);
401 ipl->iplb.scsi.target = cpu_to_be16(sd->id);
402 ipl->iplb.scsi.channel = cpu_to_be16(sd->channel);
403 ipl->iplb.scsi.devno = cpu_to_be16(ccw_dev->sch->devno);
404 ipl->iplb.scsi.ssid = ccw_dev->sch->ssid & 3;
405 break;
406 case CCW_DEVTYPE_VFIO:
407 ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_CCW_LEN);
408 ipl->iplb.pbt = S390_IPL_TYPE_CCW;
409 ipl->iplb.ccw.devno = cpu_to_be16(ccw_dev->sch->devno);
410 ipl->iplb.ccw.ssid = ccw_dev->sch->ssid & 3;
411 break;
412 case CCW_DEVTYPE_VIRTIO_NET:
413 ipl->netboot = true;
414
415 case CCW_DEVTYPE_VIRTIO:
416 ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_CCW_LEN);
417 ipl->iplb.blk0_len =
418 cpu_to_be32(S390_IPLB_MIN_CCW_LEN - S390_IPLB_HEADER_LEN);
419 ipl->iplb.pbt = S390_IPL_TYPE_CCW;
420 ipl->iplb.ccw.devno = cpu_to_be16(ccw_dev->sch->devno);
421 ipl->iplb.ccw.ssid = ccw_dev->sch->ssid & 3;
422 break;
423 }
424
425 if (!s390_ipl_set_loadparm(ipl->iplb.loadparm)) {
426 ipl->iplb.flags |= DIAG308_FLAGS_LP_VALID;
427 }
428
429 return true;
430 }
431
432 return false;
433}
434
435int s390_ipl_set_loadparm(uint8_t *loadparm)
436{
437 MachineState *machine = MACHINE(qdev_get_machine());
438 char *lp = object_property_get_str(OBJECT(machine), "loadparm", NULL);
439
440 if (lp) {
441 int i;
442
443
444 for (i = 0; i < 8 && lp[i]; i++) {
445 loadparm[i] = ascii2ebcdic[(uint8_t) lp[i]];
446 }
447
448 if (i < 8) {
449 memset(loadparm + i, 0x40, 8 - i);
450 }
451
452 g_free(lp);
453 return 0;
454 }
455
456 return -1;
457}
458
459static int load_netboot_image(Error **errp)
460{
461 MachineState *ms = MACHINE(qdev_get_machine());
462 S390IPLState *ipl = get_ipl_device();
463 char *netboot_filename;
464 MemoryRegion *sysmem = get_system_memory();
465 MemoryRegion *mr = NULL;
466 void *ram_ptr = NULL;
467 int img_size = -1;
468
469 mr = memory_region_find(sysmem, 0, 1).mr;
470 if (!mr) {
471 error_setg(errp, "Failed to find memory region at address 0");
472 return -1;
473 }
474
475 ram_ptr = memory_region_get_ram_ptr(mr);
476 if (!ram_ptr) {
477 error_setg(errp, "No RAM found");
478 goto unref_mr;
479 }
480
481 netboot_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, ipl->netboot_fw);
482 if (netboot_filename == NULL) {
483 error_setg(errp, "Could not find network bootloader '%s'",
484 ipl->netboot_fw);
485 goto unref_mr;
486 }
487
488 img_size = load_elf_ram(netboot_filename, NULL, NULL, NULL,
489 &ipl->start_addr,
490 NULL, NULL, NULL, 1, EM_S390, 0, 0, NULL,
491 false);
492
493 if (img_size < 0) {
494 img_size = load_image_size(netboot_filename, ram_ptr, ms->ram_size);
495 ipl->start_addr = KERN_IMAGE_START;
496 }
497
498 if (img_size < 0) {
499 error_setg(errp, "Failed to load network bootloader");
500 }
501
502 g_free(netboot_filename);
503
504unref_mr:
505 memory_region_unref(mr);
506 return img_size;
507}
508
509static bool is_virtio_ccw_device_of_type(IplParameterBlock *iplb,
510 int virtio_id)
511{
512 uint8_t cssid;
513 uint8_t ssid;
514 uint16_t devno;
515 uint16_t schid;
516 SubchDev *sch = NULL;
517
518 if (iplb->pbt != S390_IPL_TYPE_CCW) {
519 return false;
520 }
521
522 devno = be16_to_cpu(iplb->ccw.devno);
523 ssid = iplb->ccw.ssid & 3;
524
525 for (schid = 0; schid < MAX_SCHID; schid++) {
526 for (cssid = 0; cssid < MAX_CSSID; cssid++) {
527 sch = css_find_subch(1, cssid, ssid, schid);
528
529 if (sch && sch->devno == devno) {
530 return sch->id.cu_model == virtio_id;
531 }
532 }
533 }
534 return false;
535}
536
537static bool is_virtio_net_device(IplParameterBlock *iplb)
538{
539 return is_virtio_ccw_device_of_type(iplb, VIRTIO_ID_NET);
540}
541
542static bool is_virtio_scsi_device(IplParameterBlock *iplb)
543{
544 return is_virtio_ccw_device_of_type(iplb, VIRTIO_ID_SCSI);
545}
546
547static void update_machine_ipl_properties(IplParameterBlock *iplb)
548{
549 Object *machine = qdev_get_machine();
550 Error *err = NULL;
551
552
553 if (iplb->flags & DIAG308_FLAGS_LP_VALID) {
554 uint8_t *ebcdic_loadparm = iplb->loadparm;
555 char ascii_loadparm[9];
556 int i;
557
558 for (i = 0; i < 8 && ebcdic_loadparm[i]; i++) {
559 ascii_loadparm[i] = ebcdic2ascii[(uint8_t) ebcdic_loadparm[i]];
560 }
561 ascii_loadparm[i] = 0;
562 object_property_set_str(machine, "loadparm", ascii_loadparm, &err);
563 } else {
564 object_property_set_str(machine, "loadparm", "", &err);
565 }
566 if (err) {
567 warn_report_err(err);
568 }
569}
570
571void s390_ipl_update_diag308(IplParameterBlock *iplb)
572{
573 S390IPLState *ipl = get_ipl_device();
574
575
576
577
578
579 if (iplb->pbt == S390_IPL_TYPE_PV) {
580 ipl->iplb_pv = *iplb;
581 ipl->iplb_valid_pv = true;
582 } else {
583 ipl->iplb = *iplb;
584 ipl->iplb_valid = true;
585 }
586 ipl->netboot = is_virtio_net_device(iplb);
587 update_machine_ipl_properties(iplb);
588}
589
590IplParameterBlock *s390_ipl_get_iplb_pv(void)
591{
592 S390IPLState *ipl = get_ipl_device();
593
594 if (!ipl->iplb_valid_pv) {
595 return NULL;
596 }
597 return &ipl->iplb_pv;
598}
599
600IplParameterBlock *s390_ipl_get_iplb(void)
601{
602 S390IPLState *ipl = get_ipl_device();
603
604 if (!ipl->iplb_valid) {
605 return NULL;
606 }
607 return &ipl->iplb;
608}
609
610void s390_ipl_reset_request(CPUState *cs, enum s390_reset reset_type)
611{
612 S390IPLState *ipl = get_ipl_device();
613
614 if (reset_type == S390_RESET_EXTERNAL || reset_type == S390_RESET_REIPL) {
615
616 ipl->reset_cpu_index = 0;
617 } else {
618 ipl->reset_cpu_index = cs->cpu_index;
619 }
620 ipl->reset_type = reset_type;
621
622 if (reset_type == S390_RESET_REIPL &&
623 ipl->iplb_valid &&
624 !ipl->netboot &&
625 ipl->iplb.pbt == S390_IPL_TYPE_CCW &&
626 is_virtio_scsi_device(&ipl->iplb)) {
627 CcwDevice *ccw_dev = s390_get_ccw_device(get_boot_device(0), NULL);
628
629 if (ccw_dev &&
630 cpu_to_be16(ccw_dev->sch->devno) == ipl->iplb.ccw.devno &&
631 (ccw_dev->sch->ssid & 3) == ipl->iplb.ccw.ssid) {
632
633
634
635
636 ipl->iplb_valid = s390_gen_initial_iplb(ipl);
637 }
638 }
639 if (reset_type == S390_RESET_MODIFIED_CLEAR ||
640 reset_type == S390_RESET_LOAD_NORMAL ||
641 reset_type == S390_RESET_PV) {
642
643 qemu_system_reset_request(SHUTDOWN_CAUSE_SUBSYSTEM_RESET);
644 } else {
645 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
646 }
647
648 if (tcg_enabled()) {
649 cpu_loop_exit(cs);
650 }
651}
652
653void s390_ipl_get_reset_request(CPUState **cs, enum s390_reset *reset_type)
654{
655 S390IPLState *ipl = get_ipl_device();
656
657 *cs = qemu_get_cpu(ipl->reset_cpu_index);
658 if (!*cs) {
659
660 *cs = first_cpu;
661 }
662 *reset_type = ipl->reset_type;
663}
664
665void s390_ipl_clear_reset_request(void)
666{
667 S390IPLState *ipl = get_ipl_device();
668
669 ipl->reset_type = S390_RESET_EXTERNAL;
670
671 ipl->reset_cpu_index = 0;
672}
673
674static void s390_ipl_prepare_qipl(S390CPU *cpu)
675{
676 S390IPLState *ipl = get_ipl_device();
677 uint8_t *addr;
678 uint64_t len = 4096;
679
680 addr = cpu_physical_memory_map(cpu->env.psa, &len, true);
681 if (!addr || len < QIPL_ADDRESS + sizeof(QemuIplParameters)) {
682 error_report("Cannot set QEMU IPL parameters");
683 return;
684 }
685 memcpy(addr + QIPL_ADDRESS, &ipl->qipl, sizeof(QemuIplParameters));
686 cpu_physical_memory_unmap(addr, len, 1, len);
687}
688
689int s390_ipl_prepare_pv_header(void)
690{
691 IplParameterBlock *ipib = s390_ipl_get_iplb_pv();
692 IPLBlockPV *ipib_pv = &ipib->pv;
693 void *hdr = g_malloc(ipib_pv->pv_header_len);
694 int rc;
695
696 cpu_physical_memory_read(ipib_pv->pv_header_addr, hdr,
697 ipib_pv->pv_header_len);
698 rc = s390_pv_set_sec_parms((uintptr_t)hdr,
699 ipib_pv->pv_header_len);
700 g_free(hdr);
701 return rc;
702}
703
704int s390_ipl_pv_unpack(void)
705{
706 IplParameterBlock *ipib = s390_ipl_get_iplb_pv();
707 IPLBlockPV *ipib_pv = &ipib->pv;
708 int i, rc = 0;
709
710 for (i = 0; i < ipib_pv->num_comp; i++) {
711 rc = s390_pv_unpack(ipib_pv->components[i].addr,
712 TARGET_PAGE_ALIGN(ipib_pv->components[i].size),
713 ipib_pv->components[i].tweak_pref);
714 if (rc) {
715 break;
716 }
717 }
718 return rc;
719}
720
721void s390_ipl_prepare_cpu(S390CPU *cpu)
722{
723 S390IPLState *ipl = get_ipl_device();
724
725 cpu->env.psw.addr = ipl->start_addr;
726 cpu->env.psw.mask = IPL_PSW_MASK;
727
728 if (!ipl->kernel || ipl->iplb_valid) {
729 cpu->env.psw.addr = ipl->bios_start_addr;
730 if (!ipl->iplb_valid) {
731 ipl->iplb_valid = s390_gen_initial_iplb(ipl);
732 }
733 }
734 if (ipl->netboot) {
735 load_netboot_image(&error_fatal);
736 ipl->qipl.netboot_start_addr = cpu_to_be64(ipl->start_addr);
737 }
738 s390_ipl_set_boot_menu(ipl);
739 s390_ipl_prepare_qipl(cpu);
740}
741
742static void s390_ipl_reset(DeviceState *dev)
743{
744 S390IPLState *ipl = S390_IPL(dev);
745
746 if (ipl->reset_type != S390_RESET_REIPL) {
747 ipl->iplb_valid = false;
748 memset(&ipl->iplb, 0, sizeof(IplParameterBlock));
749 }
750}
751
752static void s390_ipl_class_init(ObjectClass *klass, void *data)
753{
754 DeviceClass *dc = DEVICE_CLASS(klass);
755
756 dc->realize = s390_ipl_realize;
757 device_class_set_props(dc, s390_ipl_properties);
758 dc->reset = s390_ipl_reset;
759 dc->vmsd = &vmstate_ipl;
760 set_bit(DEVICE_CATEGORY_MISC, dc->categories);
761
762 dc->user_creatable = false;
763}
764
765static const TypeInfo s390_ipl_info = {
766 .class_init = s390_ipl_class_init,
767 .parent = TYPE_DEVICE,
768 .name = TYPE_S390_IPL,
769 .instance_size = sizeof(S390IPLState),
770};
771
772static void s390_ipl_register_types(void)
773{
774 type_register_static(&s390_ipl_info);
775}
776
777type_init(s390_ipl_register_types)
778
