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