1 #include "qemu/osdep.h"
2 #include "qapi/error.h"
3 #include "sysemu/sysemu.h"
6 #include "exec/exec-all.h"
7 #include "helper_regs.h"
8 #include "hw/ppc/spapr.h"
9 #include "mmu-hash64.h"
10 #include "cpu-models.h"
12 #include "sysemu/kvm.h"
22 static void do_spr_sync(void *arg)
24 struct SPRSyncState *s = arg;
25 PowerPCCPU *cpu = POWERPC_CPU(s->cs);
26 CPUPPCState *env = &cpu->env;
28 cpu_synchronize_state(s->cs);
29 env->spr[s->spr] &= ~s->mask;
30 env->spr[s->spr] |= s->value;
33 static void set_spr(CPUState *cs, int spr, target_ulong value,
36 struct SPRSyncState s = {
42 run_on_cpu(cs, do_spr_sync, &s);
45 static bool has_spr(PowerPCCPU *cpu, int spr)
47 /* We can test whether the SPR is defined by checking for a valid name */
48 return cpu->env.spr_cb[spr].name != NULL;
51 static inline bool valid_pte_index(CPUPPCState *env, target_ulong pte_index)
54 * hash value/pteg group index is normalized by htab_mask
56 if (((pte_index & ~7ULL) / HPTES_PER_GROUP) & ~env->htab_mask) {
62 static bool is_ram_address(sPAPRMachineState *spapr, hwaddr addr)
64 MachineState *machine = MACHINE(spapr);
65 MemoryHotplugState *hpms = &spapr->hotplug_memory;
67 if (addr < machine->ram_size) {
70 if ((addr >= hpms->base)
71 && ((addr - hpms->base) < memory_region_size(&hpms->mr))) {
78 static target_ulong h_enter(PowerPCCPU *cpu, sPAPRMachineState *spapr,
79 target_ulong opcode, target_ulong *args)
81 CPUPPCState *env = &cpu->env;
82 target_ulong flags = args[0];
83 target_ulong pte_index = args[1];
84 target_ulong pteh = args[2];
85 target_ulong ptel = args[3];
91 apshift = ppc_hash64_hpte_page_shift_noslb(cpu, pteh, ptel);
93 /* Bad page size encoding */
97 raddr = (ptel & HPTE64_R_RPN) & ~((1ULL << apshift) - 1);
99 if (is_ram_address(spapr, raddr)) {
100 /* Regular RAM - should have WIMG=0010 */
101 if ((ptel & HPTE64_R_WIMG) != HPTE64_R_M) {
105 target_ulong wimg_flags;
106 /* Looks like an IO address */
107 /* FIXME: What WIMG combinations could be sensible for IO?
108 * For now we allow WIMG=010x, but are there others? */
109 /* FIXME: Should we check against registered IO addresses? */
110 wimg_flags = (ptel & (HPTE64_R_W | HPTE64_R_I | HPTE64_R_M));
112 if (wimg_flags != HPTE64_R_I &&
113 wimg_flags != (HPTE64_R_I | HPTE64_R_M)) {
120 if (!valid_pte_index(env, pte_index)) {
125 if (likely((flags & H_EXACT) == 0)) {
127 token = ppc_hash64_start_access(cpu, pte_index);
128 for (; index < 8; index++) {
129 if (!(ppc_hash64_load_hpte0(cpu, token, index) & HPTE64_V_VALID)) {
133 ppc_hash64_stop_access(cpu, token);
138 token = ppc_hash64_start_access(cpu, pte_index);
139 if (ppc_hash64_load_hpte0(cpu, token, 0) & HPTE64_V_VALID) {
140 ppc_hash64_stop_access(cpu, token);
143 ppc_hash64_stop_access(cpu, token);
146 ppc_hash64_store_hpte(cpu, pte_index + index,
147 pteh | HPTE64_V_HPTE_DIRTY, ptel);
149 args[0] = pte_index + index;
155 REMOVE_NOT_FOUND = 1,
160 static RemoveResult remove_hpte(PowerPCCPU *cpu, target_ulong ptex,
163 target_ulong *vp, target_ulong *rp)
165 CPUPPCState *env = &cpu->env;
169 if (!valid_pte_index(env, ptex)) {
173 token = ppc_hash64_start_access(cpu, ptex);
174 v = ppc_hash64_load_hpte0(cpu, token, 0);
175 r = ppc_hash64_load_hpte1(cpu, token, 0);
176 ppc_hash64_stop_access(cpu, token);
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 pte_index = args[1];
196 target_ulong avpn = args[2];
199 ret = remove_hpte(cpu, pte_index, avpn, flags,
204 check_tlb_flush(env);
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);
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 pte_index = args[1];
296 target_ulong avpn = args[2];
300 if (!valid_pte_index(env, pte_index)) {
304 token = ppc_hash64_start_access(cpu, pte_index);
305 v = ppc_hash64_load_hpte0(cpu, token, 0);
306 r = ppc_hash64_load_hpte1(cpu, token, 0);
307 ppc_hash64_stop_access(cpu, token);
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, pte_index,
320 (v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY, 0);
321 ppc_hash64_tlb_flush_hpte(cpu, pte_index, v, r);
322 /* Don't need a memory barrier, due to qemu's global lock */
323 ppc_hash64_store_hpte(cpu, pte_index, v | HPTE64_V_HPTE_DIRTY, r);
327 static target_ulong h_read(PowerPCCPU *cpu, sPAPRMachineState *spapr,
328 target_ulong opcode, target_ulong *args)
330 CPUPPCState *env = &cpu->env;
331 target_ulong flags = args[0];
332 target_ulong pte_index = args[1];
334 int i, ridx, n_entries = 1;
336 if (!valid_pte_index(env, pte_index)) {
340 if (flags & H_READ_4) {
341 /* Clear the two low order bits */
342 pte_index &= ~(3ULL);
346 hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64);
348 for (i = 0, ridx = 0; i < n_entries; i++) {
349 args[ridx++] = ldq_p(hpte);
350 args[ridx++] = ldq_p(hpte + (HASH_PTE_SIZE_64/2));
351 hpte += HASH_PTE_SIZE_64;
357 static target_ulong h_set_sprg0(PowerPCCPU *cpu, sPAPRMachineState *spapr,
358 target_ulong opcode, target_ulong *args)
360 cpu_synchronize_state(CPU(cpu));
361 cpu->env.spr[SPR_SPRG0] = args[0];
366 static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPRMachineState *spapr,
367 target_ulong opcode, target_ulong *args)
369 if (!has_spr(cpu, SPR_DABR)) {
370 return H_HARDWARE; /* DABR register not available */
372 cpu_synchronize_state(CPU(cpu));
374 if (has_spr(cpu, SPR_DABRX)) {
375 cpu->env.spr[SPR_DABRX] = 0x3; /* Use Problem and Privileged state */
376 } else if (!(args[0] & 0x4)) { /* Breakpoint Translation set? */
377 return H_RESERVED_DABR;
380 cpu->env.spr[SPR_DABR] = args[0];
384 static target_ulong h_set_xdabr(PowerPCCPU *cpu, sPAPRMachineState *spapr,
385 target_ulong opcode, target_ulong *args)
387 target_ulong dabrx = args[1];
389 if (!has_spr(cpu, SPR_DABR) || !has_spr(cpu, SPR_DABRX)) {
393 if ((dabrx & ~0xfULL) != 0 || (dabrx & H_DABRX_HYPERVISOR) != 0
394 || (dabrx & (H_DABRX_KERNEL | H_DABRX_USER)) == 0) {
398 cpu_synchronize_state(CPU(cpu));
399 cpu->env.spr[SPR_DABRX] = dabrx;
400 cpu->env.spr[SPR_DABR] = args[0];
405 static target_ulong h_page_init(PowerPCCPU *cpu, sPAPRMachineState *spapr,
406 target_ulong opcode, target_ulong *args)
408 target_ulong flags = args[0];
409 hwaddr dst = args[1];
410 hwaddr src = args[2];
411 hwaddr len = TARGET_PAGE_SIZE;
412 uint8_t *pdst, *psrc;
413 target_long ret = H_SUCCESS;
415 if (flags & ~(H_ICACHE_SYNCHRONIZE | H_ICACHE_INVALIDATE
416 | H_COPY_PAGE | H_ZERO_PAGE)) {
417 qemu_log_mask(LOG_UNIMP, "h_page_init: Bad flags (" TARGET_FMT_lx "\n",
422 /* Map-in destination */
423 if (!is_ram_address(spapr, dst) || (dst & ~TARGET_PAGE_MASK) != 0) {
426 pdst = cpu_physical_memory_map(dst, &len, 1);
427 if (!pdst || len != TARGET_PAGE_SIZE) {
431 if (flags & H_COPY_PAGE) {
432 /* Map-in source, copy to destination, and unmap source again */
433 if (!is_ram_address(spapr, src) || (src & ~TARGET_PAGE_MASK) != 0) {
437 psrc = cpu_physical_memory_map(src, &len, 0);
438 if (!psrc || len != TARGET_PAGE_SIZE) {
442 memcpy(pdst, psrc, len);
443 cpu_physical_memory_unmap(psrc, len, 0, len);
444 } else if (flags & H_ZERO_PAGE) {
445 memset(pdst, 0, len); /* Just clear the destination page */
448 if (kvm_enabled() && (flags & H_ICACHE_SYNCHRONIZE) != 0) {
449 kvmppc_dcbst_range(cpu, pdst, len);
451 if (flags & (H_ICACHE_SYNCHRONIZE | H_ICACHE_INVALIDATE)) {
453 kvmppc_icbi_range(cpu, pdst, len);
460 cpu_physical_memory_unmap(pdst, TARGET_PAGE_SIZE, 1, len);
464 #define FLAGS_REGISTER_VPA 0x0000200000000000ULL
465 #define FLAGS_REGISTER_DTL 0x0000400000000000ULL
466 #define FLAGS_REGISTER_SLBSHADOW 0x0000600000000000ULL
467 #define FLAGS_DEREGISTER_VPA 0x0000a00000000000ULL
468 #define FLAGS_DEREGISTER_DTL 0x0000c00000000000ULL
469 #define FLAGS_DEREGISTER_SLBSHADOW 0x0000e00000000000ULL
471 #define VPA_MIN_SIZE 640
472 #define VPA_SIZE_OFFSET 0x4
473 #define VPA_SHARED_PROC_OFFSET 0x9
474 #define VPA_SHARED_PROC_VAL 0x2
476 static target_ulong register_vpa(CPUPPCState *env, target_ulong vpa)
478 CPUState *cs = CPU(ppc_env_get_cpu(env));
483 hcall_dprintf("Can't cope with registering a VPA at logical 0\n");
487 if (vpa % env->dcache_line_size) {
490 /* FIXME: bounds check the address */
492 size = lduw_be_phys(cs->as, vpa + 0x4);
494 if (size < VPA_MIN_SIZE) {
498 /* VPA is not allowed to cross a page boundary */
499 if ((vpa / 4096) != ((vpa + size - 1) / 4096)) {
505 tmp = ldub_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET);
506 tmp |= VPA_SHARED_PROC_VAL;
507 stb_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET, tmp);
512 static target_ulong deregister_vpa(CPUPPCState *env, target_ulong vpa)
514 if (env->slb_shadow_addr) {
526 static target_ulong register_slb_shadow(CPUPPCState *env, target_ulong addr)
528 CPUState *cs = CPU(ppc_env_get_cpu(env));
532 hcall_dprintf("Can't cope with SLB shadow at logical 0\n");
536 size = ldl_be_phys(cs->as, addr + 0x4);
541 if ((addr / 4096) != ((addr + size - 1) / 4096)) {
545 if (!env->vpa_addr) {
549 env->slb_shadow_addr = addr;
550 env->slb_shadow_size = size;
555 static target_ulong deregister_slb_shadow(CPUPPCState *env, target_ulong addr)
557 env->slb_shadow_addr = 0;
558 env->slb_shadow_size = 0;
562 static target_ulong register_dtl(CPUPPCState *env, target_ulong addr)
564 CPUState *cs = CPU(ppc_env_get_cpu(env));
568 hcall_dprintf("Can't cope with DTL at logical 0\n");
572 size = ldl_be_phys(cs->as, addr + 0x4);
578 if (!env->vpa_addr) {
582 env->dtl_addr = addr;
583 env->dtl_size = size;
588 static target_ulong deregister_dtl(CPUPPCState *env, target_ulong addr)
596 static target_ulong h_register_vpa(PowerPCCPU *cpu, sPAPRMachineState *spapr,
597 target_ulong opcode, target_ulong *args)
599 target_ulong flags = args[0];
600 target_ulong procno = args[1];
601 target_ulong vpa = args[2];
602 target_ulong ret = H_PARAMETER;
606 tcpu = ppc_get_vcpu_by_dt_id(procno);
613 case FLAGS_REGISTER_VPA:
614 ret = register_vpa(tenv, vpa);
617 case FLAGS_DEREGISTER_VPA:
618 ret = deregister_vpa(tenv, vpa);
621 case FLAGS_REGISTER_SLBSHADOW:
622 ret = register_slb_shadow(tenv, vpa);
625 case FLAGS_DEREGISTER_SLBSHADOW:
626 ret = deregister_slb_shadow(tenv, vpa);
629 case FLAGS_REGISTER_DTL:
630 ret = register_dtl(tenv, vpa);
633 case FLAGS_DEREGISTER_DTL:
634 ret = deregister_dtl(tenv, vpa);
641 static target_ulong h_cede(PowerPCCPU *cpu, sPAPRMachineState *spapr,
642 target_ulong opcode, target_ulong *args)
644 CPUPPCState *env = &cpu->env;
645 CPUState *cs = CPU(cpu);
647 env->msr |= (1ULL << MSR_EE);
648 hreg_compute_hflags(env);
649 if (!cpu_has_work(cs)) {
651 cs->exception_index = EXCP_HLT;
652 cs->exit_request = 1;
657 static target_ulong h_rtas(PowerPCCPU *cpu, sPAPRMachineState *spapr,
658 target_ulong opcode, target_ulong *args)
660 target_ulong rtas_r3 = args[0];
661 uint32_t token = rtas_ld(rtas_r3, 0);
662 uint32_t nargs = rtas_ld(rtas_r3, 1);
663 uint32_t nret = rtas_ld(rtas_r3, 2);
665 return spapr_rtas_call(cpu, spapr, token, nargs, rtas_r3 + 12,
666 nret, rtas_r3 + 12 + 4*nargs);
669 static target_ulong h_logical_load(PowerPCCPU *cpu, sPAPRMachineState *spapr,
670 target_ulong opcode, target_ulong *args)
672 CPUState *cs = CPU(cpu);
673 target_ulong size = args[0];
674 target_ulong addr = args[1];
678 args[0] = ldub_phys(cs->as, addr);
681 args[0] = lduw_phys(cs->as, addr);
684 args[0] = ldl_phys(cs->as, addr);
687 args[0] = ldq_phys(cs->as, addr);
693 static target_ulong h_logical_store(PowerPCCPU *cpu, sPAPRMachineState *spapr,
694 target_ulong opcode, target_ulong *args)
696 CPUState *cs = CPU(cpu);
698 target_ulong size = args[0];
699 target_ulong addr = args[1];
700 target_ulong val = args[2];
704 stb_phys(cs->as, addr, val);
707 stw_phys(cs->as, addr, val);
710 stl_phys(cs->as, addr, val);
713 stq_phys(cs->as, addr, val);
719 static target_ulong h_logical_memop(PowerPCCPU *cpu, sPAPRMachineState *spapr,
720 target_ulong opcode, target_ulong *args)
722 CPUState *cs = CPU(cpu);
724 target_ulong dst = args[0]; /* Destination address */
725 target_ulong src = args[1]; /* Source address */
726 target_ulong esize = args[2]; /* Element size (0=1,1=2,2=4,3=8) */
727 target_ulong count = args[3]; /* Element count */
728 target_ulong op = args[4]; /* 0 = copy, 1 = invert */
730 unsigned int mask = (1 << esize) - 1;
731 int step = 1 << esize;
733 if (count > 0x80000000) {
737 if ((dst & mask) || (src & mask) || (op > 1)) {
741 if (dst >= src && dst < (src + (count << esize))) {
742 dst = dst + ((count - 1) << esize);
743 src = src + ((count - 1) << esize);
750 tmp = ldub_phys(cs->as, src);
753 tmp = lduw_phys(cs->as, src);
756 tmp = ldl_phys(cs->as, src);
759 tmp = ldq_phys(cs->as, src);
769 stb_phys(cs->as, dst, tmp);
772 stw_phys(cs->as, dst, tmp);
775 stl_phys(cs->as, dst, tmp);
778 stq_phys(cs->as, dst, tmp);
788 static target_ulong h_logical_icbi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
789 target_ulong opcode, target_ulong *args)
791 /* Nothing to do on emulation, KVM will trap this in the kernel */
795 static target_ulong h_logical_dcbf(PowerPCCPU *cpu, sPAPRMachineState *spapr,
796 target_ulong opcode, target_ulong *args)
798 /* Nothing to do on emulation, KVM will trap this in the kernel */
802 static target_ulong h_set_mode_resource_le(PowerPCCPU *cpu,
817 case H_SET_MODE_ENDIAN_BIG:
819 set_spr(cs, SPR_LPCR, 0, LPCR_ILE);
821 spapr_pci_switch_vga(true);
824 case H_SET_MODE_ENDIAN_LITTLE:
826 set_spr(cs, SPR_LPCR, LPCR_ILE, LPCR_ILE);
828 spapr_pci_switch_vga(false);
832 return H_UNSUPPORTED_FLAG;
835 static target_ulong h_set_mode_resource_addr_trans_mode(PowerPCCPU *cpu,
841 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
843 if (!(pcc->insns_flags2 & PPC2_ISA207S)) {
853 if (mflags == AIL_RESERVED) {
854 return H_UNSUPPORTED_FLAG;
858 set_spr(cs, SPR_LPCR, mflags << LPCR_AIL_SHIFT, LPCR_AIL);
864 static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPRMachineState *spapr,
865 target_ulong opcode, target_ulong *args)
867 target_ulong resource = args[1];
868 target_ulong ret = H_P2;
871 case H_SET_MODE_RESOURCE_LE:
872 ret = h_set_mode_resource_le(cpu, args[0], args[2], args[3]);
874 case H_SET_MODE_RESOURCE_ADDR_TRANS_MODE:
875 ret = h_set_mode_resource_addr_trans_mode(cpu, args[0],
884 * Return the offset to the requested option vector @vector in the
885 * option vector table @table.
887 static target_ulong cas_get_option_vector(int vector, target_ulong table)
890 char nr_vectors, nr_entries;
896 nr_vectors = (ldl_phys(&address_space_memory, table) >> 24) + 1;
897 if (!vector || vector > nr_vectors) {
900 table++; /* skip nr option vectors */
902 for (i = 0; i < vector - 1; i++) {
903 nr_entries = ldl_phys(&address_space_memory, table) >> 24;
904 table += nr_entries + 2;
911 uint32_t cpu_version;
915 static void do_set_compat(void *arg)
917 SetCompatState *s = arg;
919 cpu_synchronize_state(CPU(s->cpu));
920 ppc_set_compat(s->cpu, s->cpu_version, &s->err);
923 #define get_compat_level(cpuver) ( \
924 ((cpuver) == CPU_POWERPC_LOGICAL_2_05) ? 2050 : \
925 ((cpuver) == CPU_POWERPC_LOGICAL_2_06) ? 2060 : \
926 ((cpuver) == CPU_POWERPC_LOGICAL_2_06_PLUS) ? 2061 : \
927 ((cpuver) == CPU_POWERPC_LOGICAL_2_07) ? 2070 : 0)
929 static void cas_handle_compat_cpu(PowerPCCPUClass *pcc, uint32_t pvr,
930 unsigned max_lvl, unsigned *compat_lvl,
931 unsigned *cpu_version)
933 unsigned lvl = get_compat_level(pvr);
934 bool is205, is206, is207;
940 /* If it is a logical PVR, try to determine the highest level */
941 is205 = (pcc->pcr_supported & PCR_COMPAT_2_05) &&
942 (lvl == get_compat_level(CPU_POWERPC_LOGICAL_2_05));
943 is206 = (pcc->pcr_supported & PCR_COMPAT_2_06) &&
944 ((lvl == get_compat_level(CPU_POWERPC_LOGICAL_2_06)) ||
945 (lvl == get_compat_level(CPU_POWERPC_LOGICAL_2_06_PLUS)));
946 is207 = (pcc->pcr_supported & PCR_COMPAT_2_07) &&
947 (lvl == get_compat_level(CPU_POWERPC_LOGICAL_2_07));
949 if (is205 || is206 || is207) {
951 /* User did not set the level, choose the highest */
952 if (*compat_lvl <= lvl) {
956 } else if (max_lvl >= lvl) {
957 /* User chose the level, don't set higher than this */
964 #define OV5_DRCONF_MEMORY 0x20
966 static target_ulong h_client_architecture_support(PowerPCCPU *cpu_,
967 sPAPRMachineState *spapr,
971 target_ulong list = ppc64_phys_to_real(args[0]);
972 target_ulong ov_table, ov5;
973 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu_);
975 bool cpu_match = false, cpu_update = true, memory_update = false;
976 unsigned old_cpu_version = cpu_->cpu_version;
977 unsigned compat_lvl = 0, cpu_version = 0;
978 unsigned max_lvl = get_compat_level(cpu_->max_compat);
983 for (counter = 0; counter < 512; ++counter) {
984 uint32_t pvr, pvr_mask;
986 pvr_mask = ldl_be_phys(&address_space_memory, list);
988 pvr = ldl_be_phys(&address_space_memory, list);
991 trace_spapr_cas_pvr_try(pvr);
993 ((cpu_->env.spr[SPR_PVR] & pvr_mask) == (pvr & pvr_mask))) {
996 } else if (pvr == cpu_->cpu_version) {
998 cpu_version = cpu_->cpu_version;
999 } else if (!cpu_match) {
1000 cas_handle_compat_cpu(pcc, pvr, max_lvl, &compat_lvl, &cpu_version);
1002 /* Terminator record */
1003 if (~pvr_mask & pvr) {
1008 /* Parsing finished */
1009 trace_spapr_cas_pvr(cpu_->cpu_version, cpu_match,
1010 cpu_version, pcc->pcr_mask);
1013 if (old_cpu_version != cpu_version) {
1015 SetCompatState s = {
1016 .cpu = POWERPC_CPU(cs),
1017 .cpu_version = cpu_version,
1021 run_on_cpu(cs, do_set_compat, &s);
1024 error_report_err(s.err);
1034 /* For the future use: here @ov_table points to the first option vector */
1037 ov5 = cas_get_option_vector(5, ov_table);
1042 /* @list now points to OV 5 */
1043 ov5_byte2 = ldub_phys(&address_space_memory, ov5 + 2);
1044 if (ov5_byte2 & OV5_DRCONF_MEMORY) {
1045 memory_update = true;
1048 if (spapr_h_cas_compose_response(spapr, args[1], args[2],
1049 cpu_update, memory_update)) {
1050 qemu_system_reset_request();
1056 static spapr_hcall_fn papr_hypercall_table[(MAX_HCALL_OPCODE / 4) + 1];
1057 static spapr_hcall_fn kvmppc_hypercall_table[KVMPPC_HCALL_MAX - KVMPPC_HCALL_BASE + 1];
1059 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn)
1061 spapr_hcall_fn *slot;
1063 if (opcode <= MAX_HCALL_OPCODE) {
1064 assert((opcode & 0x3) == 0);
1066 slot = &papr_hypercall_table[opcode / 4];
1068 assert((opcode >= KVMPPC_HCALL_BASE) && (opcode <= KVMPPC_HCALL_MAX));
1070 slot = &kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE];
1077 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
1080 sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
1082 if ((opcode <= MAX_HCALL_OPCODE)
1083 && ((opcode & 0x3) == 0)) {
1084 spapr_hcall_fn fn = papr_hypercall_table[opcode / 4];
1087 return fn(cpu, spapr, opcode, args);
1089 } else if ((opcode >= KVMPPC_HCALL_BASE) &&
1090 (opcode <= KVMPPC_HCALL_MAX)) {
1091 spapr_hcall_fn fn = kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE];
1094 return fn(cpu, spapr, opcode, args);
1098 qemu_log_mask(LOG_UNIMP, "Unimplemented SPAPR hcall 0x" TARGET_FMT_lx "\n",
1103 static void hypercall_register_types(void)
1106 spapr_register_hypercall(H_ENTER, h_enter);
1107 spapr_register_hypercall(H_REMOVE, h_remove);
1108 spapr_register_hypercall(H_PROTECT, h_protect);
1109 spapr_register_hypercall(H_READ, h_read);
1112 spapr_register_hypercall(H_BULK_REMOVE, h_bulk_remove);
1115 spapr_register_hypercall(H_REGISTER_VPA, h_register_vpa);
1116 spapr_register_hypercall(H_CEDE, h_cede);
1118 /* processor register resource access h-calls */
1119 spapr_register_hypercall(H_SET_SPRG0, h_set_sprg0);
1120 spapr_register_hypercall(H_SET_DABR, h_set_dabr);
1121 spapr_register_hypercall(H_SET_XDABR, h_set_xdabr);
1122 spapr_register_hypercall(H_PAGE_INIT, h_page_init);
1123 spapr_register_hypercall(H_SET_MODE, h_set_mode);
1125 /* "debugger" hcalls (also used by SLOF). Note: We do -not- differenciate
1126 * here between the "CI" and the "CACHE" variants, they will use whatever
1127 * mapping attributes qemu is using. When using KVM, the kernel will
1128 * enforce the attributes more strongly
1130 spapr_register_hypercall(H_LOGICAL_CI_LOAD, h_logical_load);
1131 spapr_register_hypercall(H_LOGICAL_CI_STORE, h_logical_store);
1132 spapr_register_hypercall(H_LOGICAL_CACHE_LOAD, h_logical_load);
1133 spapr_register_hypercall(H_LOGICAL_CACHE_STORE, h_logical_store);
1134 spapr_register_hypercall(H_LOGICAL_ICBI, h_logical_icbi);
1135 spapr_register_hypercall(H_LOGICAL_DCBF, h_logical_dcbf);
1136 spapr_register_hypercall(KVMPPC_H_LOGICAL_MEMOP, h_logical_memop);
1138 /* qemu/KVM-PPC specific hcalls */
1139 spapr_register_hypercall(KVMPPC_H_RTAS, h_rtas);
1141 /* ibm,client-architecture-support support */
1142 spapr_register_hypercall(KVMPPC_H_CAS, h_client_architecture_support);
1145 type_init(hypercall_register_types)