1 #include "qemu/osdep.h"
2 #include "qapi/error.h"
3 #include "sysemu/hw_accel.h"
4 #include "sysemu/sysemu.h"
6 #include "qemu/error-report.h"
8 #include "exec/exec-all.h"
9 #include "helper_regs.h"
10 #include "hw/ppc/spapr.h"
11 #include "mmu-hash64.h"
12 #include "cpu-models.h"
15 #include "hw/ppc/spapr_ovec.h"
16 #include "qemu/error-report.h"
17 #include "mmu-book3s-v3.h"
25 static void do_spr_sync(CPUState *cs, run_on_cpu_data arg)
27 struct SPRSyncState *s = arg.host_ptr;
28 PowerPCCPU *cpu = POWERPC_CPU(cs);
29 CPUPPCState *env = &cpu->env;
31 cpu_synchronize_state(cs);
32 env->spr[s->spr] &= ~s->mask;
33 env->spr[s->spr] |= s->value;
36 static void set_spr(CPUState *cs, int spr, target_ulong value,
39 struct SPRSyncState s = {
44 run_on_cpu(cs, do_spr_sync, RUN_ON_CPU_HOST_PTR(&s));
47 static bool has_spr(PowerPCCPU *cpu, int spr)
49 /* We can test whether the SPR is defined by checking for a valid name */
50 return cpu->env.spr_cb[spr].name != NULL;
53 static inline bool valid_ptex(PowerPCCPU *cpu, target_ulong ptex)
56 * hash value/pteg group index is normalized by HPT mask
58 if (((ptex & ~7ULL) / HPTES_PER_GROUP) & ~ppc_hash64_hpt_mask(cpu)) {
64 static bool is_ram_address(sPAPRMachineState *spapr, hwaddr addr)
66 MachineState *machine = MACHINE(spapr);
67 MemoryHotplugState *hpms = &spapr->hotplug_memory;
69 if (addr < machine->ram_size) {
72 if ((addr >= hpms->base)
73 && ((addr - hpms->base) < memory_region_size(&hpms->mr))) {
80 static target_ulong h_enter(PowerPCCPU *cpu, sPAPRMachineState *spapr,
81 target_ulong opcode, target_ulong *args)
83 target_ulong flags = args[0];
84 target_ulong ptex = args[1];
85 target_ulong pteh = args[2];
86 target_ulong ptel = args[3];
90 const ppc_hash_pte64_t *hptes;
92 apshift = ppc_hash64_hpte_page_shift_noslb(cpu, pteh, ptel);
94 /* Bad page size encoding */
98 raddr = (ptel & HPTE64_R_RPN) & ~((1ULL << apshift) - 1);
100 if (is_ram_address(spapr, raddr)) {
101 /* Regular RAM - should have WIMG=0010 */
102 if ((ptel & HPTE64_R_WIMG) != HPTE64_R_M) {
106 target_ulong wimg_flags;
107 /* Looks like an IO address */
108 /* FIXME: What WIMG combinations could be sensible for IO?
109 * For now we allow WIMG=010x, but are there others? */
110 /* FIXME: Should we check against registered IO addresses? */
111 wimg_flags = (ptel & (HPTE64_R_W | HPTE64_R_I | HPTE64_R_M));
113 if (wimg_flags != HPTE64_R_I &&
114 wimg_flags != (HPTE64_R_I | HPTE64_R_M)) {
121 if (!valid_ptex(cpu, ptex)) {
128 if (likely((flags & H_EXACT) == 0)) {
129 hptes = ppc_hash64_map_hptes(cpu, ptex, HPTES_PER_GROUP);
130 for (slot = 0; slot < 8; slot++) {
131 if (!(ppc_hash64_hpte0(cpu, hptes, slot) & HPTE64_V_VALID)) {
135 ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP);
140 hptes = ppc_hash64_map_hptes(cpu, ptex + slot, 1);
141 if (ppc_hash64_hpte0(cpu, hptes, 0) & HPTE64_V_VALID) {
142 ppc_hash64_unmap_hptes(cpu, hptes, ptex + slot, 1);
145 ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1);
148 ppc_hash64_store_hpte(cpu, ptex + slot, pteh | HPTE64_V_HPTE_DIRTY, ptel);
150 args[0] = ptex + slot;
156 REMOVE_NOT_FOUND = 1,
161 static RemoveResult remove_hpte(PowerPCCPU *cpu, target_ulong ptex,
164 target_ulong *vp, target_ulong *rp)
166 const ppc_hash_pte64_t *hptes;
169 if (!valid_ptex(cpu, ptex)) {
173 hptes = ppc_hash64_map_hptes(cpu, ptex, 1);
174 v = ppc_hash64_hpte0(cpu, hptes, 0);
175 r = ppc_hash64_hpte1(cpu, hptes, 0);
176 ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1);
178 if ((v & HPTE64_V_VALID) == 0 ||
179 ((flags & H_AVPN) && (v & ~0x7fULL) != avpn) ||
180 ((flags & H_ANDCOND) && (v & avpn) != 0)) {
181 return REMOVE_NOT_FOUND;
185 ppc_hash64_store_hpte(cpu, ptex, HPTE64_V_HPTE_DIRTY, 0);
186 ppc_hash64_tlb_flush_hpte(cpu, ptex, v, r);
187 return REMOVE_SUCCESS;
190 static target_ulong h_remove(PowerPCCPU *cpu, sPAPRMachineState *spapr,
191 target_ulong opcode, target_ulong *args)
193 CPUPPCState *env = &cpu->env;
194 target_ulong flags = args[0];
195 target_ulong ptex = args[1];
196 target_ulong avpn = args[2];
199 ret = remove_hpte(cpu, ptex, avpn, flags,
204 check_tlb_flush(env, true);
207 case REMOVE_NOT_FOUND:
217 g_assert_not_reached();
220 #define H_BULK_REMOVE_TYPE 0xc000000000000000ULL
221 #define H_BULK_REMOVE_REQUEST 0x4000000000000000ULL
222 #define H_BULK_REMOVE_RESPONSE 0x8000000000000000ULL
223 #define H_BULK_REMOVE_END 0xc000000000000000ULL
224 #define H_BULK_REMOVE_CODE 0x3000000000000000ULL
225 #define H_BULK_REMOVE_SUCCESS 0x0000000000000000ULL
226 #define H_BULK_REMOVE_NOT_FOUND 0x1000000000000000ULL
227 #define H_BULK_REMOVE_PARM 0x2000000000000000ULL
228 #define H_BULK_REMOVE_HW 0x3000000000000000ULL
229 #define H_BULK_REMOVE_RC 0x0c00000000000000ULL
230 #define H_BULK_REMOVE_FLAGS 0x0300000000000000ULL
231 #define H_BULK_REMOVE_ABSOLUTE 0x0000000000000000ULL
232 #define H_BULK_REMOVE_ANDCOND 0x0100000000000000ULL
233 #define H_BULK_REMOVE_AVPN 0x0200000000000000ULL
234 #define H_BULK_REMOVE_PTEX 0x00ffffffffffffffULL
236 #define H_BULK_REMOVE_MAX_BATCH 4
238 static target_ulong h_bulk_remove(PowerPCCPU *cpu, sPAPRMachineState *spapr,
239 target_ulong opcode, target_ulong *args)
241 CPUPPCState *env = &cpu->env;
243 target_ulong rc = H_SUCCESS;
245 for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) {
246 target_ulong *tsh = &args[i*2];
247 target_ulong tsl = args[i*2 + 1];
248 target_ulong v, r, ret;
250 if ((*tsh & H_BULK_REMOVE_TYPE) == H_BULK_REMOVE_END) {
252 } else if ((*tsh & H_BULK_REMOVE_TYPE) != H_BULK_REMOVE_REQUEST) {
256 *tsh &= H_BULK_REMOVE_PTEX | H_BULK_REMOVE_FLAGS;
257 *tsh |= H_BULK_REMOVE_RESPONSE;
259 if ((*tsh & H_BULK_REMOVE_ANDCOND) && (*tsh & H_BULK_REMOVE_AVPN)) {
260 *tsh |= H_BULK_REMOVE_PARM;
264 ret = remove_hpte(cpu, *tsh & H_BULK_REMOVE_PTEX, tsl,
265 (*tsh & H_BULK_REMOVE_FLAGS) >> 26,
272 *tsh |= (r & (HPTE64_R_C | HPTE64_R_R)) << 43;
285 check_tlb_flush(env, true);
290 static target_ulong h_protect(PowerPCCPU *cpu, sPAPRMachineState *spapr,
291 target_ulong opcode, target_ulong *args)
293 CPUPPCState *env = &cpu->env;
294 target_ulong flags = args[0];
295 target_ulong ptex = args[1];
296 target_ulong avpn = args[2];
297 const ppc_hash_pte64_t *hptes;
300 if (!valid_ptex(cpu, ptex)) {
304 hptes = ppc_hash64_map_hptes(cpu, ptex, 1);
305 v = ppc_hash64_hpte0(cpu, hptes, 0);
306 r = ppc_hash64_hpte1(cpu, hptes, 0);
307 ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1);
309 if ((v & HPTE64_V_VALID) == 0 ||
310 ((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) {
314 r &= ~(HPTE64_R_PP0 | HPTE64_R_PP | HPTE64_R_N |
315 HPTE64_R_KEY_HI | HPTE64_R_KEY_LO);
316 r |= (flags << 55) & HPTE64_R_PP0;
317 r |= (flags << 48) & HPTE64_R_KEY_HI;
318 r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO);
319 ppc_hash64_store_hpte(cpu, ptex,
320 (v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY, 0);
321 ppc_hash64_tlb_flush_hpte(cpu, ptex, v, r);
323 check_tlb_flush(env, true);
324 /* Don't need a memory barrier, due to qemu's global lock */
325 ppc_hash64_store_hpte(cpu, ptex, v | HPTE64_V_HPTE_DIRTY, r);
329 static target_ulong h_read(PowerPCCPU *cpu, sPAPRMachineState *spapr,
330 target_ulong opcode, target_ulong *args)
332 target_ulong flags = args[0];
333 target_ulong ptex = args[1];
335 int i, ridx, n_entries = 1;
337 if (!valid_ptex(cpu, ptex)) {
341 if (flags & H_READ_4) {
342 /* Clear the two low order bits */
347 hpte = spapr->htab + (ptex * HASH_PTE_SIZE_64);
349 for (i = 0, ridx = 0; i < n_entries; i++) {
350 args[ridx++] = ldq_p(hpte);
351 args[ridx++] = ldq_p(hpte + (HASH_PTE_SIZE_64/2));
352 hpte += HASH_PTE_SIZE_64;
358 struct sPAPRPendingHPT {
359 /* These fields are read-only after initialization */
363 /* These fields are protected by the BQL */
366 /* These fields are private to the preparation thread if
367 * !complete, otherwise protected by the BQL */
372 static void free_pending_hpt(sPAPRPendingHPT *pending)
375 qemu_vfree(pending->hpt);
381 static void *hpt_prepare_thread(void *opaque)
383 sPAPRPendingHPT *pending = opaque;
384 size_t size = 1ULL << pending->shift;
386 pending->hpt = qemu_memalign(size, size);
388 memset(pending->hpt, 0, size);
389 pending->ret = H_SUCCESS;
391 pending->ret = H_NO_MEM;
394 qemu_mutex_lock_iothread();
396 if (SPAPR_MACHINE(qdev_get_machine())->pending_hpt == pending) {
398 pending->complete = true;
400 /* We've been cancelled, clean ourselves up */
401 free_pending_hpt(pending);
404 qemu_mutex_unlock_iothread();
408 /* Must be called with BQL held */
409 static void cancel_hpt_prepare(sPAPRMachineState *spapr)
411 sPAPRPendingHPT *pending = spapr->pending_hpt;
413 /* Let the thread know it's cancelled */
414 spapr->pending_hpt = NULL;
421 if (!pending->complete) {
422 /* thread will clean itself up */
426 free_pending_hpt(pending);
429 /* Convert a return code from the KVM ioctl()s implementing resize HPT
430 * into a PAPR hypercall return code */
431 static target_ulong resize_hpt_convert_rc(int ret)
434 return H_LONG_BUSY_ORDER_100_SEC;
435 } else if (ret >= 10000) {
436 return H_LONG_BUSY_ORDER_10_SEC;
437 } else if (ret >= 1000) {
438 return H_LONG_BUSY_ORDER_1_SEC;
439 } else if (ret >= 100) {
440 return H_LONG_BUSY_ORDER_100_MSEC;
441 } else if (ret >= 10) {
442 return H_LONG_BUSY_ORDER_10_MSEC;
443 } else if (ret > 0) {
444 return H_LONG_BUSY_ORDER_1_MSEC;
467 static target_ulong h_resize_hpt_prepare(PowerPCCPU *cpu,
468 sPAPRMachineState *spapr,
472 target_ulong flags = args[0];
474 sPAPRPendingHPT *pending = spapr->pending_hpt;
475 uint64_t current_ram_size = MACHINE(spapr)->ram_size;
478 if (spapr->resize_hpt == SPAPR_RESIZE_HPT_DISABLED) {
482 if (!spapr->htab_shift) {
483 /* Radix guest, no HPT */
484 return H_NOT_AVAILABLE;
487 trace_spapr_h_resize_hpt_prepare(flags, shift);
493 if (shift && ((shift < 18) || (shift > 46))) {
497 current_ram_size = pc_existing_dimms_capacity(&error_fatal);
499 /* We only allow the guest to allocate an HPT one order above what
500 * we'd normally give them (to stop a small guest claiming a huge
501 * chunk of resources in the HPT */
502 if (shift > (spapr_hpt_shift_for_ramsize(current_ram_size) + 1)) {
506 rc = kvmppc_resize_hpt_prepare(cpu, flags, shift);
508 return resize_hpt_convert_rc(rc);
512 /* something already in progress */
513 if (pending->shift == shift) {
514 /* and it's suitable */
515 if (pending->complete) {
518 return H_LONG_BUSY_ORDER_100_MSEC;
522 /* not suitable, cancel and replace */
523 cancel_hpt_prepare(spapr);
531 /* start new prepare */
533 pending = g_new0(sPAPRPendingHPT, 1);
534 pending->shift = shift;
535 pending->ret = H_HARDWARE;
537 qemu_thread_create(&pending->thread, "sPAPR HPT prepare",
538 hpt_prepare_thread, pending, QEMU_THREAD_DETACHED);
540 spapr->pending_hpt = pending;
542 /* In theory we could estimate the time more accurately based on
543 * the new size, but there's not much point */
544 return H_LONG_BUSY_ORDER_100_MSEC;
547 static uint64_t new_hpte_load0(void *htab, uint64_t pteg, int slot)
549 uint8_t *addr = htab;
551 addr += pteg * HASH_PTEG_SIZE_64;
552 addr += slot * HASH_PTE_SIZE_64;
556 static void new_hpte_store(void *htab, uint64_t pteg, int slot,
557 uint64_t pte0, uint64_t pte1)
559 uint8_t *addr = htab;
561 addr += pteg * HASH_PTEG_SIZE_64;
562 addr += slot * HASH_PTE_SIZE_64;
565 stq_p(addr + HASH_PTE_SIZE_64 / 2, pte1);
568 static int rehash_hpte(PowerPCCPU *cpu,
569 const ppc_hash_pte64_t *hptes,
570 void *old_hpt, uint64_t oldsize,
571 void *new_hpt, uint64_t newsize,
572 uint64_t pteg, int slot)
574 uint64_t old_hash_mask = (oldsize >> 7) - 1;
575 uint64_t new_hash_mask = (newsize >> 7) - 1;
576 target_ulong pte0 = ppc_hash64_hpte0(cpu, hptes, slot);
579 unsigned base_pg_shift;
580 uint64_t hash, new_pteg, replace_pte0;
582 if (!(pte0 & HPTE64_V_VALID) || !(pte0 & HPTE64_V_BOLTED)) {
586 pte1 = ppc_hash64_hpte1(cpu, hptes, slot);
588 base_pg_shift = ppc_hash64_hpte_page_shift_noslb(cpu, pte0, pte1);
589 assert(base_pg_shift); /* H_ENTER shouldn't allow a bad encoding */
590 avpn = HPTE64_V_AVPN_VAL(pte0) & ~(((1ULL << base_pg_shift) - 1) >> 23);
592 if (pte0 & HPTE64_V_SECONDARY) {
596 if ((pte0 & HPTE64_V_SSIZE) == HPTE64_V_SSIZE_256M) {
597 uint64_t offset, vsid;
599 /* We only have 28 - 23 bits of offset in avpn */
600 offset = (avpn & 0x1f) << 23;
602 /* We can find more bits from the pteg value */
603 if (base_pg_shift < 23) {
604 offset |= ((vsid ^ pteg) & old_hash_mask) << base_pg_shift;
607 hash = vsid ^ (offset >> base_pg_shift);
608 } else if ((pte0 & HPTE64_V_SSIZE) == HPTE64_V_SSIZE_1T) {
609 uint64_t offset, vsid;
611 /* We only have 40 - 23 bits of seg_off in avpn */
612 offset = (avpn & 0x1ffff) << 23;
614 if (base_pg_shift < 23) {
615 offset |= ((vsid ^ (vsid << 25) ^ pteg) & old_hash_mask)
619 hash = vsid ^ (vsid << 25) ^ (offset >> base_pg_shift);
621 error_report("rehash_pte: Bad segment size in HPTE");
625 new_pteg = hash & new_hash_mask;
626 if (pte0 & HPTE64_V_SECONDARY) {
627 assert(~pteg == (hash & old_hash_mask));
628 new_pteg = ~new_pteg;
630 assert(pteg == (hash & old_hash_mask));
632 assert((oldsize != newsize) || (pteg == new_pteg));
633 replace_pte0 = new_hpte_load0(new_hpt, new_pteg, slot);
635 * Strictly speaking, we don't need all these tests, since we only
636 * ever rehash bolted HPTEs. We might in future handle non-bolted
637 * HPTEs, though so make the logic correct for those cases as
640 if (replace_pte0 & HPTE64_V_VALID) {
641 assert(newsize < oldsize);
642 if (replace_pte0 & HPTE64_V_BOLTED) {
643 if (pte0 & HPTE64_V_BOLTED) {
644 /* Bolted collision, nothing we can do */
647 /* Discard this hpte */
653 new_hpte_store(new_hpt, new_pteg, slot, pte0, pte1);
657 static int rehash_hpt(PowerPCCPU *cpu,
658 void *old_hpt, uint64_t oldsize,
659 void *new_hpt, uint64_t newsize)
661 uint64_t n_ptegs = oldsize >> 7;
666 for (pteg = 0; pteg < n_ptegs; pteg++) {
667 hwaddr ptex = pteg * HPTES_PER_GROUP;
668 const ppc_hash_pte64_t *hptes
669 = ppc_hash64_map_hptes(cpu, ptex, HPTES_PER_GROUP);
675 for (slot = 0; slot < HPTES_PER_GROUP; slot++) {
676 rc = rehash_hpte(cpu, hptes, old_hpt, oldsize, new_hpt, newsize,
678 if (rc != H_SUCCESS) {
679 ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP);
683 ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP);
689 static target_ulong h_resize_hpt_commit(PowerPCCPU *cpu,
690 sPAPRMachineState *spapr,
694 target_ulong flags = args[0];
695 target_ulong shift = args[1];
696 sPAPRPendingHPT *pending = spapr->pending_hpt;
700 if (spapr->resize_hpt == SPAPR_RESIZE_HPT_DISABLED) {
704 trace_spapr_h_resize_hpt_commit(flags, shift);
706 rc = kvmppc_resize_hpt_commit(cpu, flags, shift);
708 return resize_hpt_convert_rc(rc);
715 if (!pending || (pending->shift != shift)) {
716 /* no matching prepare */
720 if (!pending->complete) {
721 /* prepare has not completed */
725 /* Shouldn't have got past PREPARE without an HPT */
726 g_assert(spapr->htab_shift);
728 newsize = 1ULL << pending->shift;
729 rc = rehash_hpt(cpu, spapr->htab, HTAB_SIZE(spapr),
730 pending->hpt, newsize);
731 if (rc == H_SUCCESS) {
732 qemu_vfree(spapr->htab);
733 spapr->htab = pending->hpt;
734 spapr->htab_shift = pending->shift;
737 /* For KVM PR, update the HPT pointer */
738 target_ulong sdr1 = (target_ulong)(uintptr_t)spapr->htab
739 | (spapr->htab_shift - 18);
740 kvmppc_update_sdr1(sdr1);
743 pending->hpt = NULL; /* so it's not free()d */
747 spapr->pending_hpt = NULL;
748 free_pending_hpt(pending);
753 static target_ulong h_set_sprg0(PowerPCCPU *cpu, sPAPRMachineState *spapr,
754 target_ulong opcode, target_ulong *args)
756 cpu_synchronize_state(CPU(cpu));
757 cpu->env.spr[SPR_SPRG0] = args[0];
762 static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPRMachineState *spapr,
763 target_ulong opcode, target_ulong *args)
765 if (!has_spr(cpu, SPR_DABR)) {
766 return H_HARDWARE; /* DABR register not available */
768 cpu_synchronize_state(CPU(cpu));
770 if (has_spr(cpu, SPR_DABRX)) {
771 cpu->env.spr[SPR_DABRX] = 0x3; /* Use Problem and Privileged state */
772 } else if (!(args[0] & 0x4)) { /* Breakpoint Translation set? */
773 return H_RESERVED_DABR;
776 cpu->env.spr[SPR_DABR] = args[0];
780 static target_ulong h_set_xdabr(PowerPCCPU *cpu, sPAPRMachineState *spapr,
781 target_ulong opcode, target_ulong *args)
783 target_ulong dabrx = args[1];
785 if (!has_spr(cpu, SPR_DABR) || !has_spr(cpu, SPR_DABRX)) {
789 if ((dabrx & ~0xfULL) != 0 || (dabrx & H_DABRX_HYPERVISOR) != 0
790 || (dabrx & (H_DABRX_KERNEL | H_DABRX_USER)) == 0) {
794 cpu_synchronize_state(CPU(cpu));
795 cpu->env.spr[SPR_DABRX] = dabrx;
796 cpu->env.spr[SPR_DABR] = args[0];
801 static target_ulong h_page_init(PowerPCCPU *cpu, sPAPRMachineState *spapr,
802 target_ulong opcode, target_ulong *args)
804 target_ulong flags = args[0];
805 hwaddr dst = args[1];
806 hwaddr src = args[2];
807 hwaddr len = TARGET_PAGE_SIZE;
808 uint8_t *pdst, *psrc;
809 target_long ret = H_SUCCESS;
811 if (flags & ~(H_ICACHE_SYNCHRONIZE | H_ICACHE_INVALIDATE
812 | H_COPY_PAGE | H_ZERO_PAGE)) {
813 qemu_log_mask(LOG_UNIMP, "h_page_init: Bad flags (" TARGET_FMT_lx "\n",
818 /* Map-in destination */
819 if (!is_ram_address(spapr, dst) || (dst & ~TARGET_PAGE_MASK) != 0) {
822 pdst = cpu_physical_memory_map(dst, &len, 1);
823 if (!pdst || len != TARGET_PAGE_SIZE) {
827 if (flags & H_COPY_PAGE) {
828 /* Map-in source, copy to destination, and unmap source again */
829 if (!is_ram_address(spapr, src) || (src & ~TARGET_PAGE_MASK) != 0) {
833 psrc = cpu_physical_memory_map(src, &len, 0);
834 if (!psrc || len != TARGET_PAGE_SIZE) {
838 memcpy(pdst, psrc, len);
839 cpu_physical_memory_unmap(psrc, len, 0, len);
840 } else if (flags & H_ZERO_PAGE) {
841 memset(pdst, 0, len); /* Just clear the destination page */
844 if (kvm_enabled() && (flags & H_ICACHE_SYNCHRONIZE) != 0) {
845 kvmppc_dcbst_range(cpu, pdst, len);
847 if (flags & (H_ICACHE_SYNCHRONIZE | H_ICACHE_INVALIDATE)) {
849 kvmppc_icbi_range(cpu, pdst, len);
856 cpu_physical_memory_unmap(pdst, TARGET_PAGE_SIZE, 1, len);
860 #define FLAGS_REGISTER_VPA 0x0000200000000000ULL
861 #define FLAGS_REGISTER_DTL 0x0000400000000000ULL
862 #define FLAGS_REGISTER_SLBSHADOW 0x0000600000000000ULL
863 #define FLAGS_DEREGISTER_VPA 0x0000a00000000000ULL
864 #define FLAGS_DEREGISTER_DTL 0x0000c00000000000ULL
865 #define FLAGS_DEREGISTER_SLBSHADOW 0x0000e00000000000ULL
867 #define VPA_MIN_SIZE 640
868 #define VPA_SIZE_OFFSET 0x4
869 #define VPA_SHARED_PROC_OFFSET 0x9
870 #define VPA_SHARED_PROC_VAL 0x2
872 static target_ulong register_vpa(CPUPPCState *env, target_ulong vpa)
874 CPUState *cs = CPU(ppc_env_get_cpu(env));
879 hcall_dprintf("Can't cope with registering a VPA at logical 0\n");
883 if (vpa % env->dcache_line_size) {
886 /* FIXME: bounds check the address */
888 size = lduw_be_phys(cs->as, vpa + 0x4);
890 if (size < VPA_MIN_SIZE) {
894 /* VPA is not allowed to cross a page boundary */
895 if ((vpa / 4096) != ((vpa + size - 1) / 4096)) {
901 tmp = ldub_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET);
902 tmp |= VPA_SHARED_PROC_VAL;
903 stb_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET, tmp);
908 static target_ulong deregister_vpa(CPUPPCState *env, target_ulong vpa)
910 if (env->slb_shadow_addr) {
922 static target_ulong register_slb_shadow(CPUPPCState *env, target_ulong addr)
924 CPUState *cs = CPU(ppc_env_get_cpu(env));
928 hcall_dprintf("Can't cope with SLB shadow at logical 0\n");
932 size = ldl_be_phys(cs->as, addr + 0x4);
937 if ((addr / 4096) != ((addr + size - 1) / 4096)) {
941 if (!env->vpa_addr) {
945 env->slb_shadow_addr = addr;
946 env->slb_shadow_size = size;
951 static target_ulong deregister_slb_shadow(CPUPPCState *env, target_ulong addr)
953 env->slb_shadow_addr = 0;
954 env->slb_shadow_size = 0;
958 static target_ulong register_dtl(CPUPPCState *env, target_ulong addr)
960 CPUState *cs = CPU(ppc_env_get_cpu(env));
964 hcall_dprintf("Can't cope with DTL at logical 0\n");
968 size = ldl_be_phys(cs->as, addr + 0x4);
974 if (!env->vpa_addr) {
978 env->dtl_addr = addr;
979 env->dtl_size = size;
984 static target_ulong deregister_dtl(CPUPPCState *env, target_ulong addr)
992 static target_ulong h_register_vpa(PowerPCCPU *cpu, sPAPRMachineState *spapr,
993 target_ulong opcode, target_ulong *args)
995 target_ulong flags = args[0];
996 target_ulong procno = args[1];
997 target_ulong vpa = args[2];
998 target_ulong ret = H_PARAMETER;
1002 tcpu = spapr_find_cpu(procno);
1009 case FLAGS_REGISTER_VPA:
1010 ret = register_vpa(tenv, vpa);
1013 case FLAGS_DEREGISTER_VPA:
1014 ret = deregister_vpa(tenv, vpa);
1017 case FLAGS_REGISTER_SLBSHADOW:
1018 ret = register_slb_shadow(tenv, vpa);
1021 case FLAGS_DEREGISTER_SLBSHADOW:
1022 ret = deregister_slb_shadow(tenv, vpa);
1025 case FLAGS_REGISTER_DTL:
1026 ret = register_dtl(tenv, vpa);
1029 case FLAGS_DEREGISTER_DTL:
1030 ret = deregister_dtl(tenv, vpa);
1037 static target_ulong h_cede(PowerPCCPU *cpu, sPAPRMachineState *spapr,
1038 target_ulong opcode, target_ulong *args)
1040 CPUPPCState *env = &cpu->env;
1041 CPUState *cs = CPU(cpu);
1043 env->msr |= (1ULL << MSR_EE);
1044 hreg_compute_hflags(env);
1045 if (!cpu_has_work(cs)) {
1047 cs->exception_index = EXCP_HLT;
1048 cs->exit_request = 1;
1053 static target_ulong h_rtas(PowerPCCPU *cpu, sPAPRMachineState *spapr,
1054 target_ulong opcode, target_ulong *args)
1056 target_ulong rtas_r3 = args[0];
1057 uint32_t token = rtas_ld(rtas_r3, 0);
1058 uint32_t nargs = rtas_ld(rtas_r3, 1);
1059 uint32_t nret = rtas_ld(rtas_r3, 2);
1061 return spapr_rtas_call(cpu, spapr, token, nargs, rtas_r3 + 12,
1062 nret, rtas_r3 + 12 + 4*nargs);
1065 static target_ulong h_logical_load(PowerPCCPU *cpu, sPAPRMachineState *spapr,
1066 target_ulong opcode, target_ulong *args)
1068 CPUState *cs = CPU(cpu);
1069 target_ulong size = args[0];
1070 target_ulong addr = args[1];
1074 args[0] = ldub_phys(cs->as, addr);
1077 args[0] = lduw_phys(cs->as, addr);
1080 args[0] = ldl_phys(cs->as, addr);
1083 args[0] = ldq_phys(cs->as, addr);
1089 static target_ulong h_logical_store(PowerPCCPU *cpu, sPAPRMachineState *spapr,
1090 target_ulong opcode, target_ulong *args)
1092 CPUState *cs = CPU(cpu);
1094 target_ulong size = args[0];
1095 target_ulong addr = args[1];
1096 target_ulong val = args[2];
1100 stb_phys(cs->as, addr, val);
1103 stw_phys(cs->as, addr, val);
1106 stl_phys(cs->as, addr, val);
1109 stq_phys(cs->as, addr, val);
1115 static target_ulong h_logical_memop(PowerPCCPU *cpu, sPAPRMachineState *spapr,
1116 target_ulong opcode, target_ulong *args)
1118 CPUState *cs = CPU(cpu);
1120 target_ulong dst = args[0]; /* Destination address */
1121 target_ulong src = args[1]; /* Source address */
1122 target_ulong esize = args[2]; /* Element size (0=1,1=2,2=4,3=8) */
1123 target_ulong count = args[3]; /* Element count */
1124 target_ulong op = args[4]; /* 0 = copy, 1 = invert */
1126 unsigned int mask = (1 << esize) - 1;
1127 int step = 1 << esize;
1129 if (count > 0x80000000) {
1133 if ((dst & mask) || (src & mask) || (op > 1)) {
1137 if (dst >= src && dst < (src + (count << esize))) {
1138 dst = dst + ((count - 1) << esize);
1139 src = src + ((count - 1) << esize);
1146 tmp = ldub_phys(cs->as, src);
1149 tmp = lduw_phys(cs->as, src);
1152 tmp = ldl_phys(cs->as, src);
1155 tmp = ldq_phys(cs->as, src);
1165 stb_phys(cs->as, dst, tmp);
1168 stw_phys(cs->as, dst, tmp);
1171 stl_phys(cs->as, dst, tmp);
1174 stq_phys(cs->as, dst, tmp);
1184 static target_ulong h_logical_icbi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
1185 target_ulong opcode, target_ulong *args)
1187 /* Nothing to do on emulation, KVM will trap this in the kernel */
1191 static target_ulong h_logical_dcbf(PowerPCCPU *cpu, sPAPRMachineState *spapr,
1192 target_ulong opcode, target_ulong *args)
1194 /* Nothing to do on emulation, KVM will trap this in the kernel */
1198 static target_ulong h_set_mode_resource_le(PowerPCCPU *cpu,
1199 target_ulong mflags,
1200 target_ulong value1,
1201 target_ulong value2)
1213 case H_SET_MODE_ENDIAN_BIG:
1215 set_spr(cs, SPR_LPCR, 0, LPCR_ILE);
1217 spapr_pci_switch_vga(true);
1220 case H_SET_MODE_ENDIAN_LITTLE:
1222 set_spr(cs, SPR_LPCR, LPCR_ILE, LPCR_ILE);
1224 spapr_pci_switch_vga(false);
1228 return H_UNSUPPORTED_FLAG;
1231 static target_ulong h_set_mode_resource_addr_trans_mode(PowerPCCPU *cpu,
1232 target_ulong mflags,
1233 target_ulong value1,
1234 target_ulong value2)
1237 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
1239 if (!(pcc->insns_flags2 & PPC2_ISA207S)) {
1249 if (mflags == AIL_RESERVED) {
1250 return H_UNSUPPORTED_FLAG;
1254 set_spr(cs, SPR_LPCR, mflags << LPCR_AIL_SHIFT, LPCR_AIL);
1260 static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPRMachineState *spapr,
1261 target_ulong opcode, target_ulong *args)
1263 target_ulong resource = args[1];
1264 target_ulong ret = H_P2;
1267 case H_SET_MODE_RESOURCE_LE:
1268 ret = h_set_mode_resource_le(cpu, args[0], args[2], args[3]);
1270 case H_SET_MODE_RESOURCE_ADDR_TRANS_MODE:
1271 ret = h_set_mode_resource_addr_trans_mode(cpu, args[0],
1279 static target_ulong h_clean_slb(PowerPCCPU *cpu, sPAPRMachineState *spapr,
1280 target_ulong opcode, target_ulong *args)
1282 qemu_log_mask(LOG_UNIMP, "Unimplemented SPAPR hcall 0x"TARGET_FMT_lx"%s\n",
1283 opcode, " (H_CLEAN_SLB)");
1287 static target_ulong h_invalidate_pid(PowerPCCPU *cpu, sPAPRMachineState *spapr,
1288 target_ulong opcode, target_ulong *args)
1290 qemu_log_mask(LOG_UNIMP, "Unimplemented SPAPR hcall 0x"TARGET_FMT_lx"%s\n",
1291 opcode, " (H_INVALIDATE_PID)");
1295 static void spapr_check_setup_free_hpt(sPAPRMachineState *spapr,
1296 uint64_t patbe_old, uint64_t patbe_new)
1299 * We have 4 Options:
1300 * HASH->HASH || RADIX->RADIX || NOTHING->RADIX : Do Nothing
1301 * HASH->RADIX : Free HPT
1302 * RADIX->HASH : Allocate HPT
1303 * NOTHING->HASH : Allocate HPT
1304 * Note: NOTHING implies the case where we said the guest could choose
1305 * later and so assumed radix and now it's called H_REG_PROC_TBL
1308 if ((patbe_old & PATBE1_GR) == (patbe_new & PATBE1_GR)) {
1309 /* We assume RADIX, so this catches all the "Do Nothing" cases */
1310 } else if (!(patbe_old & PATBE1_GR)) {
1311 /* HASH->RADIX : Free HPT */
1312 spapr_free_hpt(spapr);
1313 } else if (!(patbe_new & PATBE1_GR)) {
1314 /* RADIX->HASH || NOTHING->HASH : Allocate HPT */
1315 spapr_setup_hpt_and_vrma(spapr);
1320 #define FLAGS_MASK 0x01FULL
1321 #define FLAG_MODIFY 0x10
1322 #define FLAG_REGISTER 0x08
1323 #define FLAG_RADIX 0x04
1324 #define FLAG_HASH_PROC_TBL 0x02
1325 #define FLAG_GTSE 0x01
1327 static target_ulong h_register_process_table(PowerPCCPU *cpu,
1328 sPAPRMachineState *spapr,
1329 target_ulong opcode,
1333 target_ulong flags = args[0];
1334 target_ulong proc_tbl = args[1];
1335 target_ulong page_size = args[2];
1336 target_ulong table_size = args[3];
1339 if (flags & ~FLAGS_MASK) { /* Check no reserved bits are set */
1342 if (flags & FLAG_MODIFY) {
1343 if (flags & FLAG_REGISTER) {
1344 if (flags & FLAG_RADIX) { /* Register new RADIX process table */
1345 if (proc_tbl & 0xfff || proc_tbl >> 60) {
1347 } else if (page_size) {
1349 } else if (table_size > 24) {
1352 cproc = PATBE1_GR | proc_tbl | table_size;
1353 } else { /* Register new HPT process table */
1354 if (flags & FLAG_HASH_PROC_TBL) { /* Hash with Segment Tables */
1355 /* TODO - Not Supported */
1356 /* Technically caused by flag bits => H_PARAMETER */
1358 } else { /* Hash with SLB */
1359 if (proc_tbl >> 38) {
1361 } else if (page_size & ~0x7) {
1363 } else if (table_size > 24) {
1367 cproc = (proc_tbl << 25) | page_size << 5 | table_size;
1370 } else { /* Deregister current process table */
1371 /* Set to benign value: (current GR) | 0. This allows
1372 * deregistration in KVM to succeed even if the radix bit in flags
1373 * doesn't match the radix bit in the old PATB. */
1374 cproc = spapr->patb_entry & PATBE1_GR;
1376 } else { /* Maintain current registration */
1377 if (!(flags & FLAG_RADIX) != !(spapr->patb_entry & PATBE1_GR)) {
1378 /* Technically caused by flag bits => H_PARAMETER */
1379 return H_PARAMETER; /* Existing Process Table Mismatch */
1381 cproc = spapr->patb_entry;
1384 /* Check if we need to setup OR free the hpt */
1385 spapr_check_setup_free_hpt(spapr, spapr->patb_entry, cproc);
1387 spapr->patb_entry = cproc; /* Save new process table */
1389 /* Update the UPRT and GTSE bits in the LPCR for all cpus */
1391 set_spr(cs, SPR_LPCR,
1392 ((flags & (FLAG_RADIX | FLAG_HASH_PROC_TBL)) ? LPCR_UPRT : 0) |
1393 ((flags & FLAG_GTSE) ? LPCR_GTSE : 0),
1394 LPCR_UPRT | LPCR_GTSE);
1397 if (kvm_enabled()) {
1398 return kvmppc_configure_v3_mmu(cpu, flags & FLAG_RADIX,
1399 flags & FLAG_GTSE, cproc);
1404 #define H_SIGNAL_SYS_RESET_ALL -1
1405 #define H_SIGNAL_SYS_RESET_ALLBUTSELF -2
1407 static target_ulong h_signal_sys_reset(PowerPCCPU *cpu,
1408 sPAPRMachineState *spapr,
1409 target_ulong opcode, target_ulong *args)
1411 target_long target = args[0];
1416 if (target < H_SIGNAL_SYS_RESET_ALLBUTSELF) {
1421 PowerPCCPU *c = POWERPC_CPU(cs);
1423 if (target == H_SIGNAL_SYS_RESET_ALLBUTSELF) {
1428 run_on_cpu(cs, spapr_do_system_reset_on_cpu, RUN_ON_CPU_NULL);
1434 cs = CPU(spapr_find_cpu(target));
1436 run_on_cpu(cs, spapr_do_system_reset_on_cpu, RUN_ON_CPU_NULL);
1443 static uint32_t cas_check_pvr(sPAPRMachineState *spapr, PowerPCCPU *cpu,
1444 target_ulong *addr, Error **errp)
1446 bool explicit_match = false; /* Matched the CPU's real PVR */
1447 uint32_t max_compat = spapr->max_compat_pvr;
1448 uint32_t best_compat = 0;
1452 * We scan the supplied table of PVRs looking for two things
1453 * 1. Is our real CPU PVR in the list?
1454 * 2. What's the "best" listed logical PVR
1456 for (i = 0; i < 512; ++i) {
1457 uint32_t pvr, pvr_mask;
1459 pvr_mask = ldl_be_phys(&address_space_memory, *addr);
1460 pvr = ldl_be_phys(&address_space_memory, *addr + 4);
1463 if (~pvr_mask & pvr) {
1464 break; /* Terminator record */
1467 if ((cpu->env.spr[SPR_PVR] & pvr_mask) == (pvr & pvr_mask)) {
1468 explicit_match = true;
1470 if (ppc_check_compat(cpu, pvr, best_compat, max_compat)) {
1476 if ((best_compat == 0) && (!explicit_match || max_compat)) {
1477 /* We couldn't find a suitable compatibility mode, and either
1478 * the guest doesn't support "raw" mode for this CPU, or raw
1479 * mode is disabled because a maximum compat mode is set */
1480 error_setg(errp, "Couldn't negotiate a suitable PVR during CAS");
1484 /* Parsing finished */
1485 trace_spapr_cas_pvr(cpu->compat_pvr, explicit_match, best_compat);
1490 static target_ulong h_client_architecture_support(PowerPCCPU *cpu,
1491 sPAPRMachineState *spapr,
1492 target_ulong opcode,
1495 /* Working address in data buffer */
1496 target_ulong addr = ppc64_phys_to_real(args[0]);
1497 target_ulong ov_table;
1499 sPAPROptionVector *ov1_guest, *ov5_guest, *ov5_cas_old, *ov5_updates;
1501 Error *local_err = NULL;
1503 cas_pvr = cas_check_pvr(spapr, cpu, &addr, &local_err);
1505 error_report_err(local_err);
1510 if (cpu->compat_pvr != cas_pvr) {
1511 ppc_set_compat_all(cas_pvr, &local_err);
1513 error_report_err(local_err);
1518 /* For the future use: here @ov_table points to the first option vector */
1521 ov1_guest = spapr_ovec_parse_vector(ov_table, 1);
1522 ov5_guest = spapr_ovec_parse_vector(ov_table, 5);
1523 if (spapr_ovec_test(ov5_guest, OV5_MMU_BOTH)) {
1524 error_report("guest requested hash and radix MMU, which is invalid.");
1527 /* The radix/hash bit in byte 24 requires special handling: */
1528 guest_radix = spapr_ovec_test(ov5_guest, OV5_MMU_RADIX_300);
1529 spapr_ovec_clear(ov5_guest, OV5_MMU_RADIX_300);
1532 * HPT resizing is a bit of a special case, because when enabled
1533 * we assume an HPT guest will support it until it says it
1534 * doesn't, instead of assuming it won't support it until it says
1535 * it does. Strictly speaking that approach could break for
1536 * guests which don't make a CAS call, but those are so old we
1537 * don't care about them. Without that assumption we'd have to
1538 * make at least a temporary allocation of an HPT sized for max
1539 * memory, which could be impossibly difficult under KVM HV if
1542 if (!guest_radix && !spapr_ovec_test(ov5_guest, OV5_HPT_RESIZE)) {
1543 int maxshift = spapr_hpt_shift_for_ramsize(MACHINE(spapr)->maxram_size);
1545 if (spapr->resize_hpt == SPAPR_RESIZE_HPT_REQUIRED) {
1547 "h_client_architecture_support: Guest doesn't support HPT resizing, but resize-hpt=required");
1551 if (spapr->htab_shift < maxshift) {
1554 /* Guest doesn't know about HPT resizing, so we
1555 * pre-emptively resize for the maximum permitted RAM. At
1556 * the point this is called, nothing should have been
1557 * entered into the existing HPT */
1558 spapr_reallocate_hpt(spapr, maxshift, &error_fatal);
1560 if (kvm_enabled()) {
1561 /* For KVM PR, update the HPT pointer */
1562 target_ulong sdr1 = (target_ulong)(uintptr_t)spapr->htab
1563 | (spapr->htab_shift - 18);
1564 kvmppc_update_sdr1(sdr1);
1570 /* NOTE: there are actually a number of ov5 bits where input from the
1571 * guest is always zero, and the platform/QEMU enables them independently
1572 * of guest input. To model these properly we'd want some sort of mask,
1573 * but since they only currently apply to memory migration as defined
1574 * by LoPAPR 1.1, 14.5.4.8, which QEMU doesn't implement, we don't need
1575 * to worry about this for now.
1577 ov5_cas_old = spapr_ovec_clone(spapr->ov5_cas);
1578 /* full range of negotiated ov5 capabilities */
1579 spapr_ovec_intersect(spapr->ov5_cas, spapr->ov5, ov5_guest);
1580 spapr_ovec_cleanup(ov5_guest);
1581 /* capabilities that have been added since CAS-generated guest reset.
1582 * if capabilities have since been removed, generate another reset
1584 ov5_updates = spapr_ovec_new();
1585 spapr->cas_reboot = spapr_ovec_diff(ov5_updates,
1586 ov5_cas_old, spapr->ov5_cas);
1587 /* Now that processing is finished, set the radix/hash bit for the
1588 * guest if it requested a valid mode; otherwise terminate the boot. */
1590 if (kvm_enabled() && !kvmppc_has_cap_mmu_radix()) {
1591 error_report("Guest requested unavailable MMU mode (radix).");
1594 spapr_ovec_set(spapr->ov5_cas, OV5_MMU_RADIX_300);
1596 if (kvm_enabled() && kvmppc_has_cap_mmu_radix()
1597 && !kvmppc_has_cap_mmu_hash_v3()) {
1598 error_report("Guest requested unavailable MMU mode (hash).");
1602 spapr->cas_legacy_guest_workaround = !spapr_ovec_test(ov1_guest,
1604 if (!spapr->cas_reboot) {
1606 (spapr_h_cas_compose_response(spapr, args[1], args[2],
1609 spapr_ovec_cleanup(ov5_updates);
1611 if (spapr->cas_reboot) {
1612 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
1614 /* If ppc_spapr_reset() did not set up a HPT but one is necessary
1615 * (because the guest isn't going to use radix) then set it up here. */
1616 if ((spapr->patb_entry & PATBE1_GR) && !guest_radix) {
1617 /* legacy hash or new hash: */
1618 spapr_setup_hpt_and_vrma(spapr);
1625 static spapr_hcall_fn papr_hypercall_table[(MAX_HCALL_OPCODE / 4) + 1];
1626 static spapr_hcall_fn kvmppc_hypercall_table[KVMPPC_HCALL_MAX - KVMPPC_HCALL_BASE + 1];
1628 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn)
1630 spapr_hcall_fn *slot;
1632 if (opcode <= MAX_HCALL_OPCODE) {
1633 assert((opcode & 0x3) == 0);
1635 slot = &papr_hypercall_table[opcode / 4];
1637 assert((opcode >= KVMPPC_HCALL_BASE) && (opcode <= KVMPPC_HCALL_MAX));
1639 slot = &kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE];
1646 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
1649 sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
1651 if ((opcode <= MAX_HCALL_OPCODE)
1652 && ((opcode & 0x3) == 0)) {
1653 spapr_hcall_fn fn = papr_hypercall_table[opcode / 4];
1656 return fn(cpu, spapr, opcode, args);
1658 } else if ((opcode >= KVMPPC_HCALL_BASE) &&
1659 (opcode <= KVMPPC_HCALL_MAX)) {
1660 spapr_hcall_fn fn = kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE];
1663 return fn(cpu, spapr, opcode, args);
1667 qemu_log_mask(LOG_UNIMP, "Unimplemented SPAPR hcall 0x" TARGET_FMT_lx "\n",
1672 static void hypercall_register_types(void)
1675 spapr_register_hypercall(H_ENTER, h_enter);
1676 spapr_register_hypercall(H_REMOVE, h_remove);
1677 spapr_register_hypercall(H_PROTECT, h_protect);
1678 spapr_register_hypercall(H_READ, h_read);
1681 spapr_register_hypercall(H_BULK_REMOVE, h_bulk_remove);
1683 /* hcall-hpt-resize */
1684 spapr_register_hypercall(H_RESIZE_HPT_PREPARE, h_resize_hpt_prepare);
1685 spapr_register_hypercall(H_RESIZE_HPT_COMMIT, h_resize_hpt_commit);
1688 spapr_register_hypercall(H_REGISTER_VPA, h_register_vpa);
1689 spapr_register_hypercall(H_CEDE, h_cede);
1690 spapr_register_hypercall(H_SIGNAL_SYS_RESET, h_signal_sys_reset);
1692 /* processor register resource access h-calls */
1693 spapr_register_hypercall(H_SET_SPRG0, h_set_sprg0);
1694 spapr_register_hypercall(H_SET_DABR, h_set_dabr);
1695 spapr_register_hypercall(H_SET_XDABR, h_set_xdabr);
1696 spapr_register_hypercall(H_PAGE_INIT, h_page_init);
1697 spapr_register_hypercall(H_SET_MODE, h_set_mode);
1699 /* In Memory Table MMU h-calls */
1700 spapr_register_hypercall(H_CLEAN_SLB, h_clean_slb);
1701 spapr_register_hypercall(H_INVALIDATE_PID, h_invalidate_pid);
1702 spapr_register_hypercall(H_REGISTER_PROC_TBL, h_register_process_table);
1704 /* "debugger" hcalls (also used by SLOF). Note: We do -not- differenciate
1705 * here between the "CI" and the "CACHE" variants, they will use whatever
1706 * mapping attributes qemu is using. When using KVM, the kernel will
1707 * enforce the attributes more strongly
1709 spapr_register_hypercall(H_LOGICAL_CI_LOAD, h_logical_load);
1710 spapr_register_hypercall(H_LOGICAL_CI_STORE, h_logical_store);
1711 spapr_register_hypercall(H_LOGICAL_CACHE_LOAD, h_logical_load);
1712 spapr_register_hypercall(H_LOGICAL_CACHE_STORE, h_logical_store);
1713 spapr_register_hypercall(H_LOGICAL_ICBI, h_logical_icbi);
1714 spapr_register_hypercall(H_LOGICAL_DCBF, h_logical_dcbf);
1715 spapr_register_hypercall(KVMPPC_H_LOGICAL_MEMOP, h_logical_memop);
1717 /* qemu/KVM-PPC specific hcalls */
1718 spapr_register_hypercall(KVMPPC_H_RTAS, h_rtas);
1720 /* ibm,client-architecture-support support */
1721 spapr_register_hypercall(KVMPPC_H_CAS, h_client_architecture_support);
1724 type_init(hypercall_register_types)