| #include "sysemu/sysemu.h" |
| #include "cpu.h" |
| #include "helper_regs.h" |
| #include "hw/ppc/spapr.h" |
| #include "mmu-hash64.h" |
| |
| struct SPRSyncState { |
| CPUState *cs; |
| int spr; |
| target_ulong value; |
| target_ulong mask; |
| }; |
| |
| static void do_spr_sync(void *arg) |
| { |
| struct SPRSyncState *s = arg; |
| PowerPCCPU *cpu = POWERPC_CPU(s->cs); |
| CPUPPCState *env = &cpu->env; |
| |
| cpu_synchronize_state(s->cs); |
| env->spr[s->spr] &= ~s->mask; |
| env->spr[s->spr] |= s->value; |
| } |
| |
| static void set_spr(CPUState *cs, int spr, target_ulong value, |
| target_ulong mask) |
| { |
| struct SPRSyncState s = { |
| .cs = cs, |
| .spr = spr, |
| .value = value, |
| .mask = mask |
| }; |
| run_on_cpu(cs, do_spr_sync, &s); |
| } |
| |
| static target_ulong compute_tlbie_rb(target_ulong v, target_ulong r, |
| target_ulong pte_index) |
| { |
| target_ulong rb, va_low; |
| |
| rb = (v & ~0x7fULL) << 16; /* AVA field */ |
| va_low = pte_index >> 3; |
| if (v & HPTE64_V_SECONDARY) { |
| va_low = ~va_low; |
| } |
| /* xor vsid from AVA */ |
| if (!(v & HPTE64_V_1TB_SEG)) { |
| va_low ^= v >> 12; |
| } else { |
| va_low ^= v >> 24; |
| } |
| va_low &= 0x7ff; |
| if (v & HPTE64_V_LARGE) { |
| rb |= 1; /* L field */ |
| #if 0 /* Disable that P7 specific bit for now */ |
| if (r & 0xff000) { |
| /* non-16MB large page, must be 64k */ |
| /* (masks depend on page size) */ |
| rb |= 0x1000; /* page encoding in LP field */ |
| rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */ |
| rb |= (va_low & 0xfe); /* AVAL field */ |
| } |
| #endif |
| } else { |
| /* 4kB page */ |
| rb |= (va_low & 0x7ff) << 12; /* remaining 11b of AVA */ |
| } |
| rb |= (v >> 54) & 0x300; /* B field */ |
| return rb; |
| } |
| |
| static inline bool valid_pte_index(CPUPPCState *env, target_ulong pte_index) |
| { |
| /* |
| * hash value/pteg group index is normalized by htab_mask |
| */ |
| if (((pte_index & ~7ULL) / HPTES_PER_GROUP) & ~env->htab_mask) { |
| return false; |
| } |
| return true; |
| } |
| |
| static target_ulong h_enter(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| CPUPPCState *env = &cpu->env; |
| target_ulong flags = args[0]; |
| target_ulong pte_index = args[1]; |
| target_ulong pteh = args[2]; |
| target_ulong ptel = args[3]; |
| target_ulong page_shift = 12; |
| target_ulong raddr; |
| target_ulong index; |
| uint64_t token; |
| |
| /* only handle 4k and 16M pages for now */ |
| if (pteh & HPTE64_V_LARGE) { |
| #if 0 /* We don't support 64k pages yet */ |
| if ((ptel & 0xf000) == 0x1000) { |
| /* 64k page */ |
| } else |
| #endif |
| if ((ptel & 0xff000) == 0) { |
| /* 16M page */ |
| page_shift = 24; |
| /* lowest AVA bit must be 0 for 16M pages */ |
| if (pteh & 0x80) { |
| return H_PARAMETER; |
| } |
| } else { |
| return H_PARAMETER; |
| } |
| } |
| |
| raddr = (ptel & HPTE64_R_RPN) & ~((1ULL << page_shift) - 1); |
| |
| if (raddr < spapr->ram_limit) { |
| /* Regular RAM - should have WIMG=0010 */ |
| if ((ptel & HPTE64_R_WIMG) != HPTE64_R_M) { |
| return H_PARAMETER; |
| } |
| } else { |
| /* Looks like an IO address */ |
| /* FIXME: What WIMG combinations could be sensible for IO? |
| * For now we allow WIMG=010x, but are there others? */ |
| /* FIXME: Should we check against registered IO addresses? */ |
| if ((ptel & (HPTE64_R_W | HPTE64_R_I | HPTE64_R_M)) != HPTE64_R_I) { |
| return H_PARAMETER; |
| } |
| } |
| |
| pteh &= ~0x60ULL; |
| |
| if (!valid_pte_index(env, pte_index)) { |
| return H_PARAMETER; |
| } |
| |
| index = 0; |
| if (likely((flags & H_EXACT) == 0)) { |
| pte_index &= ~7ULL; |
| token = ppc_hash64_start_access(cpu, pte_index); |
| for (; index < 8; index++) { |
| if ((ppc_hash64_load_hpte0(env, token, index) & HPTE64_V_VALID) == 0) { |
| break; |
| } |
| } |
| ppc_hash64_stop_access(token); |
| if (index == 8) { |
| return H_PTEG_FULL; |
| } |
| } else { |
| token = ppc_hash64_start_access(cpu, pte_index); |
| if (ppc_hash64_load_hpte0(env, token, 0) & HPTE64_V_VALID) { |
| ppc_hash64_stop_access(token); |
| return H_PTEG_FULL; |
| } |
| ppc_hash64_stop_access(token); |
| } |
| |
| ppc_hash64_store_hpte(env, pte_index + index, |
| pteh | HPTE64_V_HPTE_DIRTY, ptel); |
| |
| args[0] = pte_index + index; |
| return H_SUCCESS; |
| } |
| |
| typedef enum { |
| REMOVE_SUCCESS = 0, |
| REMOVE_NOT_FOUND = 1, |
| REMOVE_PARM = 2, |
| REMOVE_HW = 3, |
| } RemoveResult; |
| |
| static RemoveResult remove_hpte(CPUPPCState *env, target_ulong ptex, |
| target_ulong avpn, |
| target_ulong flags, |
| target_ulong *vp, target_ulong *rp) |
| { |
| uint64_t token; |
| target_ulong v, r, rb; |
| |
| if (!valid_pte_index(env, ptex)) { |
| return REMOVE_PARM; |
| } |
| |
| token = ppc_hash64_start_access(ppc_env_get_cpu(env), ptex); |
| v = ppc_hash64_load_hpte0(env, token, 0); |
| r = ppc_hash64_load_hpte1(env, token, 0); |
| ppc_hash64_stop_access(token); |
| |
| if ((v & HPTE64_V_VALID) == 0 || |
| ((flags & H_AVPN) && (v & ~0x7fULL) != avpn) || |
| ((flags & H_ANDCOND) && (v & avpn) != 0)) { |
| return REMOVE_NOT_FOUND; |
| } |
| *vp = v; |
| *rp = r; |
| ppc_hash64_store_hpte(env, ptex, HPTE64_V_HPTE_DIRTY, 0); |
| rb = compute_tlbie_rb(v, r, ptex); |
| ppc_tlb_invalidate_one(env, rb); |
| return REMOVE_SUCCESS; |
| } |
| |
| static target_ulong h_remove(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| CPUPPCState *env = &cpu->env; |
| target_ulong flags = args[0]; |
| target_ulong pte_index = args[1]; |
| target_ulong avpn = args[2]; |
| RemoveResult ret; |
| |
| ret = remove_hpte(env, pte_index, avpn, flags, |
| &args[0], &args[1]); |
| |
| switch (ret) { |
| case REMOVE_SUCCESS: |
| return H_SUCCESS; |
| |
| case REMOVE_NOT_FOUND: |
| return H_NOT_FOUND; |
| |
| case REMOVE_PARM: |
| return H_PARAMETER; |
| |
| case REMOVE_HW: |
| return H_HARDWARE; |
| } |
| |
| g_assert_not_reached(); |
| } |
| |
| #define H_BULK_REMOVE_TYPE 0xc000000000000000ULL |
| #define H_BULK_REMOVE_REQUEST 0x4000000000000000ULL |
| #define H_BULK_REMOVE_RESPONSE 0x8000000000000000ULL |
| #define H_BULK_REMOVE_END 0xc000000000000000ULL |
| #define H_BULK_REMOVE_CODE 0x3000000000000000ULL |
| #define H_BULK_REMOVE_SUCCESS 0x0000000000000000ULL |
| #define H_BULK_REMOVE_NOT_FOUND 0x1000000000000000ULL |
| #define H_BULK_REMOVE_PARM 0x2000000000000000ULL |
| #define H_BULK_REMOVE_HW 0x3000000000000000ULL |
| #define H_BULK_REMOVE_RC 0x0c00000000000000ULL |
| #define H_BULK_REMOVE_FLAGS 0x0300000000000000ULL |
| #define H_BULK_REMOVE_ABSOLUTE 0x0000000000000000ULL |
| #define H_BULK_REMOVE_ANDCOND 0x0100000000000000ULL |
| #define H_BULK_REMOVE_AVPN 0x0200000000000000ULL |
| #define H_BULK_REMOVE_PTEX 0x00ffffffffffffffULL |
| |
| #define H_BULK_REMOVE_MAX_BATCH 4 |
| |
| static target_ulong h_bulk_remove(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| CPUPPCState *env = &cpu->env; |
| int i; |
| |
| for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) { |
| target_ulong *tsh = &args[i*2]; |
| target_ulong tsl = args[i*2 + 1]; |
| target_ulong v, r, ret; |
| |
| if ((*tsh & H_BULK_REMOVE_TYPE) == H_BULK_REMOVE_END) { |
| break; |
| } else if ((*tsh & H_BULK_REMOVE_TYPE) != H_BULK_REMOVE_REQUEST) { |
| return H_PARAMETER; |
| } |
| |
| *tsh &= H_BULK_REMOVE_PTEX | H_BULK_REMOVE_FLAGS; |
| *tsh |= H_BULK_REMOVE_RESPONSE; |
| |
| if ((*tsh & H_BULK_REMOVE_ANDCOND) && (*tsh & H_BULK_REMOVE_AVPN)) { |
| *tsh |= H_BULK_REMOVE_PARM; |
| return H_PARAMETER; |
| } |
| |
| ret = remove_hpte(env, *tsh & H_BULK_REMOVE_PTEX, tsl, |
| (*tsh & H_BULK_REMOVE_FLAGS) >> 26, |
| &v, &r); |
| |
| *tsh |= ret << 60; |
| |
| switch (ret) { |
| case REMOVE_SUCCESS: |
| *tsh |= (r & (HPTE64_R_C | HPTE64_R_R)) << 43; |
| break; |
| |
| case REMOVE_PARM: |
| return H_PARAMETER; |
| |
| case REMOVE_HW: |
| return H_HARDWARE; |
| } |
| } |
| |
| return H_SUCCESS; |
| } |
| |
| static target_ulong h_protect(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| CPUPPCState *env = &cpu->env; |
| target_ulong flags = args[0]; |
| target_ulong pte_index = args[1]; |
| target_ulong avpn = args[2]; |
| uint64_t token; |
| target_ulong v, r, rb; |
| |
| if (!valid_pte_index(env, pte_index)) { |
| return H_PARAMETER; |
| } |
| |
| token = ppc_hash64_start_access(cpu, pte_index); |
| v = ppc_hash64_load_hpte0(env, token, 0); |
| r = ppc_hash64_load_hpte1(env, token, 0); |
| ppc_hash64_stop_access(token); |
| |
| if ((v & HPTE64_V_VALID) == 0 || |
| ((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) { |
| return H_NOT_FOUND; |
| } |
| |
| r &= ~(HPTE64_R_PP0 | HPTE64_R_PP | HPTE64_R_N | |
| HPTE64_R_KEY_HI | HPTE64_R_KEY_LO); |
| r |= (flags << 55) & HPTE64_R_PP0; |
| r |= (flags << 48) & HPTE64_R_KEY_HI; |
| r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO); |
| rb = compute_tlbie_rb(v, r, pte_index); |
| ppc_hash64_store_hpte(env, pte_index, |
| (v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY, 0); |
| ppc_tlb_invalidate_one(env, rb); |
| /* Don't need a memory barrier, due to qemu's global lock */ |
| ppc_hash64_store_hpte(env, pte_index, v | HPTE64_V_HPTE_DIRTY, r); |
| return H_SUCCESS; |
| } |
| |
| static target_ulong h_read(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| CPUPPCState *env = &cpu->env; |
| target_ulong flags = args[0]; |
| target_ulong pte_index = args[1]; |
| uint8_t *hpte; |
| int i, ridx, n_entries = 1; |
| |
| if (!valid_pte_index(env, pte_index)) { |
| return H_PARAMETER; |
| } |
| |
| if (flags & H_READ_4) { |
| /* Clear the two low order bits */ |
| pte_index &= ~(3ULL); |
| n_entries = 4; |
| } |
| |
| hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64); |
| |
| for (i = 0, ridx = 0; i < n_entries; i++) { |
| args[ridx++] = ldq_p(hpte); |
| args[ridx++] = ldq_p(hpte + (HASH_PTE_SIZE_64/2)); |
| hpte += HASH_PTE_SIZE_64; |
| } |
| |
| return H_SUCCESS; |
| } |
| |
| static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| /* FIXME: actually implement this */ |
| return H_HARDWARE; |
| } |
| |
| #define FLAGS_REGISTER_VPA 0x0000200000000000ULL |
| #define FLAGS_REGISTER_DTL 0x0000400000000000ULL |
| #define FLAGS_REGISTER_SLBSHADOW 0x0000600000000000ULL |
| #define FLAGS_DEREGISTER_VPA 0x0000a00000000000ULL |
| #define FLAGS_DEREGISTER_DTL 0x0000c00000000000ULL |
| #define FLAGS_DEREGISTER_SLBSHADOW 0x0000e00000000000ULL |
| |
| #define VPA_MIN_SIZE 640 |
| #define VPA_SIZE_OFFSET 0x4 |
| #define VPA_SHARED_PROC_OFFSET 0x9 |
| #define VPA_SHARED_PROC_VAL 0x2 |
| |
| static target_ulong register_vpa(CPUPPCState *env, target_ulong vpa) |
| { |
| CPUState *cs = CPU(ppc_env_get_cpu(env)); |
| uint16_t size; |
| uint8_t tmp; |
| |
| if (vpa == 0) { |
| hcall_dprintf("Can't cope with registering a VPA at logical 0\n"); |
| return H_HARDWARE; |
| } |
| |
| if (vpa % env->dcache_line_size) { |
| return H_PARAMETER; |
| } |
| /* FIXME: bounds check the address */ |
| |
| size = lduw_be_phys(cs->as, vpa + 0x4); |
| |
| if (size < VPA_MIN_SIZE) { |
| return H_PARAMETER; |
| } |
| |
| /* VPA is not allowed to cross a page boundary */ |
| if ((vpa / 4096) != ((vpa + size - 1) / 4096)) { |
| return H_PARAMETER; |
| } |
| |
| env->vpa_addr = vpa; |
| |
| tmp = ldub_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET); |
| tmp |= VPA_SHARED_PROC_VAL; |
| stb_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET, tmp); |
| |
| return H_SUCCESS; |
| } |
| |
| static target_ulong deregister_vpa(CPUPPCState *env, target_ulong vpa) |
| { |
| if (env->slb_shadow_addr) { |
| return H_RESOURCE; |
| } |
| |
| if (env->dtl_addr) { |
| return H_RESOURCE; |
| } |
| |
| env->vpa_addr = 0; |
| return H_SUCCESS; |
| } |
| |
| static target_ulong register_slb_shadow(CPUPPCState *env, target_ulong addr) |
| { |
| CPUState *cs = CPU(ppc_env_get_cpu(env)); |
| uint32_t size; |
| |
| if (addr == 0) { |
| hcall_dprintf("Can't cope with SLB shadow at logical 0\n"); |
| return H_HARDWARE; |
| } |
| |
| size = ldl_be_phys(cs->as, addr + 0x4); |
| if (size < 0x8) { |
| return H_PARAMETER; |
| } |
| |
| if ((addr / 4096) != ((addr + size - 1) / 4096)) { |
| return H_PARAMETER; |
| } |
| |
| if (!env->vpa_addr) { |
| return H_RESOURCE; |
| } |
| |
| env->slb_shadow_addr = addr; |
| env->slb_shadow_size = size; |
| |
| return H_SUCCESS; |
| } |
| |
| static target_ulong deregister_slb_shadow(CPUPPCState *env, target_ulong addr) |
| { |
| env->slb_shadow_addr = 0; |
| env->slb_shadow_size = 0; |
| return H_SUCCESS; |
| } |
| |
| static target_ulong register_dtl(CPUPPCState *env, target_ulong addr) |
| { |
| CPUState *cs = CPU(ppc_env_get_cpu(env)); |
| uint32_t size; |
| |
| if (addr == 0) { |
| hcall_dprintf("Can't cope with DTL at logical 0\n"); |
| return H_HARDWARE; |
| } |
| |
| size = ldl_be_phys(cs->as, addr + 0x4); |
| |
| if (size < 48) { |
| return H_PARAMETER; |
| } |
| |
| if (!env->vpa_addr) { |
| return H_RESOURCE; |
| } |
| |
| env->dtl_addr = addr; |
| env->dtl_size = size; |
| |
| return H_SUCCESS; |
| } |
| |
| static target_ulong deregister_dtl(CPUPPCState *env, target_ulong addr) |
| { |
| env->dtl_addr = 0; |
| env->dtl_size = 0; |
| |
| return H_SUCCESS; |
| } |
| |
| static target_ulong h_register_vpa(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| target_ulong flags = args[0]; |
| target_ulong procno = args[1]; |
| target_ulong vpa = args[2]; |
| target_ulong ret = H_PARAMETER; |
| CPUPPCState *tenv; |
| PowerPCCPU *tcpu; |
| |
| tcpu = ppc_get_vcpu_by_dt_id(procno); |
| if (!tcpu) { |
| return H_PARAMETER; |
| } |
| tenv = &tcpu->env; |
| |
| switch (flags) { |
| case FLAGS_REGISTER_VPA: |
| ret = register_vpa(tenv, vpa); |
| break; |
| |
| case FLAGS_DEREGISTER_VPA: |
| ret = deregister_vpa(tenv, vpa); |
| break; |
| |
| case FLAGS_REGISTER_SLBSHADOW: |
| ret = register_slb_shadow(tenv, vpa); |
| break; |
| |
| case FLAGS_DEREGISTER_SLBSHADOW: |
| ret = deregister_slb_shadow(tenv, vpa); |
| break; |
| |
| case FLAGS_REGISTER_DTL: |
| ret = register_dtl(tenv, vpa); |
| break; |
| |
| case FLAGS_DEREGISTER_DTL: |
| ret = deregister_dtl(tenv, vpa); |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static target_ulong h_cede(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| CPUPPCState *env = &cpu->env; |
| CPUState *cs = CPU(cpu); |
| |
| env->msr |= (1ULL << MSR_EE); |
| hreg_compute_hflags(env); |
| if (!cpu_has_work(cs)) { |
| cs->halted = 1; |
| cs->exception_index = EXCP_HLT; |
| cs->exit_request = 1; |
| } |
| return H_SUCCESS; |
| } |
| |
| static target_ulong h_rtas(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| target_ulong rtas_r3 = args[0]; |
| uint32_t token = rtas_ld(rtas_r3, 0); |
| uint32_t nargs = rtas_ld(rtas_r3, 1); |
| uint32_t nret = rtas_ld(rtas_r3, 2); |
| |
| return spapr_rtas_call(cpu, spapr, token, nargs, rtas_r3 + 12, |
| nret, rtas_r3 + 12 + 4*nargs); |
| } |
| |
| static target_ulong h_logical_load(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| CPUState *cs = CPU(cpu); |
| target_ulong size = args[0]; |
| target_ulong addr = args[1]; |
| |
| switch (size) { |
| case 1: |
| args[0] = ldub_phys(cs->as, addr); |
| return H_SUCCESS; |
| case 2: |
| args[0] = lduw_phys(cs->as, addr); |
| return H_SUCCESS; |
| case 4: |
| args[0] = ldl_phys(cs->as, addr); |
| return H_SUCCESS; |
| case 8: |
| args[0] = ldq_phys(cs->as, addr); |
| return H_SUCCESS; |
| } |
| return H_PARAMETER; |
| } |
| |
| static target_ulong h_logical_store(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| CPUState *cs = CPU(cpu); |
| |
| target_ulong size = args[0]; |
| target_ulong addr = args[1]; |
| target_ulong val = args[2]; |
| |
| switch (size) { |
| case 1: |
| stb_phys(cs->as, addr, val); |
| return H_SUCCESS; |
| case 2: |
| stw_phys(cs->as, addr, val); |
| return H_SUCCESS; |
| case 4: |
| stl_phys(cs->as, addr, val); |
| return H_SUCCESS; |
| case 8: |
| stq_phys(cs->as, addr, val); |
| return H_SUCCESS; |
| } |
| return H_PARAMETER; |
| } |
| |
| static target_ulong h_logical_memop(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| CPUState *cs = CPU(cpu); |
| |
| target_ulong dst = args[0]; /* Destination address */ |
| target_ulong src = args[1]; /* Source address */ |
| target_ulong esize = args[2]; /* Element size (0=1,1=2,2=4,3=8) */ |
| target_ulong count = args[3]; /* Element count */ |
| target_ulong op = args[4]; /* 0 = copy, 1 = invert */ |
| uint64_t tmp; |
| unsigned int mask = (1 << esize) - 1; |
| int step = 1 << esize; |
| |
| if (count > 0x80000000) { |
| return H_PARAMETER; |
| } |
| |
| if ((dst & mask) || (src & mask) || (op > 1)) { |
| return H_PARAMETER; |
| } |
| |
| if (dst >= src && dst < (src + (count << esize))) { |
| dst = dst + ((count - 1) << esize); |
| src = src + ((count - 1) << esize); |
| step = -step; |
| } |
| |
| while (count--) { |
| switch (esize) { |
| case 0: |
| tmp = ldub_phys(cs->as, src); |
| break; |
| case 1: |
| tmp = lduw_phys(cs->as, src); |
| break; |
| case 2: |
| tmp = ldl_phys(cs->as, src); |
| break; |
| case 3: |
| tmp = ldq_phys(cs->as, src); |
| break; |
| default: |
| return H_PARAMETER; |
| } |
| if (op == 1) { |
| tmp = ~tmp; |
| } |
| switch (esize) { |
| case 0: |
| stb_phys(cs->as, dst, tmp); |
| break; |
| case 1: |
| stw_phys(cs->as, dst, tmp); |
| break; |
| case 2: |
| stl_phys(cs->as, dst, tmp); |
| break; |
| case 3: |
| stq_phys(cs->as, dst, tmp); |
| break; |
| } |
| dst = dst + step; |
| src = src + step; |
| } |
| |
| return H_SUCCESS; |
| } |
| |
| static target_ulong h_logical_icbi(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| /* Nothing to do on emulation, KVM will trap this in the kernel */ |
| return H_SUCCESS; |
| } |
| |
| static target_ulong h_logical_dcbf(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| /* Nothing to do on emulation, KVM will trap this in the kernel */ |
| return H_SUCCESS; |
| } |
| |
| static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPREnvironment *spapr, |
| target_ulong opcode, target_ulong *args) |
| { |
| CPUState *cs; |
| target_ulong mflags = args[0]; |
| target_ulong resource = args[1]; |
| target_ulong value1 = args[2]; |
| target_ulong value2 = args[3]; |
| target_ulong ret = H_P2; |
| |
| if (resource == H_SET_MODE_RESOURCE_LE) { |
| if (value1) { |
| ret = H_P3; |
| goto out; |
| } |
| if (value2) { |
| ret = H_P4; |
| goto out; |
| } |
| switch (mflags) { |
| case H_SET_MODE_ENDIAN_BIG: |
| CPU_FOREACH(cs) { |
| set_spr(cs, SPR_LPCR, 0, LPCR_ILE); |
| } |
| ret = H_SUCCESS; |
| break; |
| |
| case H_SET_MODE_ENDIAN_LITTLE: |
| CPU_FOREACH(cs) { |
| set_spr(cs, SPR_LPCR, LPCR_ILE, LPCR_ILE); |
| } |
| ret = H_SUCCESS; |
| break; |
| |
| default: |
| ret = H_UNSUPPORTED_FLAG; |
| } |
| } |
| |
| out: |
| return ret; |
| } |
| |
| static spapr_hcall_fn papr_hypercall_table[(MAX_HCALL_OPCODE / 4) + 1]; |
| static spapr_hcall_fn kvmppc_hypercall_table[KVMPPC_HCALL_MAX - KVMPPC_HCALL_BASE + 1]; |
| |
| void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn) |
| { |
| spapr_hcall_fn *slot; |
| |
| if (opcode <= MAX_HCALL_OPCODE) { |
| assert((opcode & 0x3) == 0); |
| |
| slot = &papr_hypercall_table[opcode / 4]; |
| } else { |
| assert((opcode >= KVMPPC_HCALL_BASE) && (opcode <= KVMPPC_HCALL_MAX)); |
| |
| slot = &kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; |
| } |
| |
| assert(!(*slot)); |
| *slot = fn; |
| } |
| |
| target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode, |
| target_ulong *args) |
| { |
| if ((opcode <= MAX_HCALL_OPCODE) |
| && ((opcode & 0x3) == 0)) { |
| spapr_hcall_fn fn = papr_hypercall_table[opcode / 4]; |
| |
| if (fn) { |
| return fn(cpu, spapr, opcode, args); |
| } |
| } else if ((opcode >= KVMPPC_HCALL_BASE) && |
| (opcode <= KVMPPC_HCALL_MAX)) { |
| spapr_hcall_fn fn = kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; |
| |
| if (fn) { |
| return fn(cpu, spapr, opcode, args); |
| } |
| } |
| |
| hcall_dprintf("Unimplemented hcall 0x" TARGET_FMT_lx "\n", opcode); |
| return H_FUNCTION; |
| } |
| |
| static void hypercall_register_types(void) |
| { |
| /* hcall-pft */ |
| spapr_register_hypercall(H_ENTER, h_enter); |
| spapr_register_hypercall(H_REMOVE, h_remove); |
| spapr_register_hypercall(H_PROTECT, h_protect); |
| spapr_register_hypercall(H_READ, h_read); |
| |
| /* hcall-bulk */ |
| spapr_register_hypercall(H_BULK_REMOVE, h_bulk_remove); |
| |
| /* hcall-dabr */ |
| spapr_register_hypercall(H_SET_DABR, h_set_dabr); |
| |
| /* hcall-splpar */ |
| spapr_register_hypercall(H_REGISTER_VPA, h_register_vpa); |
| spapr_register_hypercall(H_CEDE, h_cede); |
| |
| /* "debugger" hcalls (also used by SLOF). Note: We do -not- differenciate |
| * here between the "CI" and the "CACHE" variants, they will use whatever |
| * mapping attributes qemu is using. When using KVM, the kernel will |
| * enforce the attributes more strongly |
| */ |
| spapr_register_hypercall(H_LOGICAL_CI_LOAD, h_logical_load); |
| spapr_register_hypercall(H_LOGICAL_CI_STORE, h_logical_store); |
| spapr_register_hypercall(H_LOGICAL_CACHE_LOAD, h_logical_load); |
| spapr_register_hypercall(H_LOGICAL_CACHE_STORE, h_logical_store); |
| spapr_register_hypercall(H_LOGICAL_ICBI, h_logical_icbi); |
| spapr_register_hypercall(H_LOGICAL_DCBF, h_logical_dcbf); |
| spapr_register_hypercall(KVMPPC_H_LOGICAL_MEMOP, h_logical_memop); |
| |
| /* qemu/KVM-PPC specific hcalls */ |
| spapr_register_hypercall(KVMPPC_H_RTAS, h_rtas); |
| |
| spapr_register_hypercall(H_SET_MODE, h_set_mode); |
| } |
| |
| type_init(hypercall_register_types) |
