diff options
Diffstat (limited to 'target-ppc/translate_init.c')
| -rw-r--r-- | target-ppc/translate_init.c | 237 |
1 files changed, 214 insertions, 23 deletions
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c index fb206aff29..0a33597f6b 100644 --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -579,17 +579,33 @@ static inline void vscr_init (CPUPPCState *env, uint32_t val) #define spr_register_kvm(env, num, name, uea_read, uea_write, \ oea_read, oea_write, one_reg_id, initial_value) \ _spr_register(env, num, name, uea_read, uea_write, initial_value) +#define spr_register_kvm_hv(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, hea_read, hea_write, \ + one_reg_id, initial_value) \ + _spr_register(env, num, name, uea_read, uea_write, initial_value) #else #if !defined(CONFIG_KVM) #define spr_register_kvm(env, num, name, uea_read, uea_write, \ - oea_read, oea_write, one_reg_id, initial_value) \ + oea_read, oea_write, one_reg_id, initial_value) \ + _spr_register(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, oea_read, oea_write, initial_value) +#define spr_register_kvm_hv(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, hea_read, hea_write, \ + one_reg_id, initial_value) \ _spr_register(env, num, name, uea_read, uea_write, \ - oea_read, oea_write, initial_value) + oea_read, oea_write, hea_read, hea_write, initial_value) #else #define spr_register_kvm(env, num, name, uea_read, uea_write, \ - oea_read, oea_write, one_reg_id, initial_value) \ + oea_read, oea_write, one_reg_id, initial_value) \ + _spr_register(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, oea_read, oea_write, \ + one_reg_id, initial_value) +#define spr_register_kvm_hv(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, hea_read, hea_write, \ + one_reg_id, initial_value) \ _spr_register(env, num, name, uea_read, uea_write, \ - oea_read, oea_write, one_reg_id, initial_value) + oea_read, oea_write, hea_read, hea_write, \ + one_reg_id, initial_value) #endif #endif @@ -598,6 +614,13 @@ static inline void vscr_init (CPUPPCState *env, uint32_t val) spr_register_kvm(env, num, name, uea_read, uea_write, \ oea_read, oea_write, 0, initial_value) +#define spr_register_hv(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, hea_read, hea_write, \ + initial_value) \ + spr_register_kvm_hv(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, hea_read, hea_write, \ + 0, initial_value) + static inline void _spr_register(CPUPPCState *env, int num, const char *name, void (*uea_read)(DisasContext *ctx, int gprn, int sprn), @@ -606,6 +629,8 @@ static inline void _spr_register(CPUPPCState *env, int num, void (*oea_read)(DisasContext *ctx, int gprn, int sprn), void (*oea_write)(DisasContext *ctx, int sprn, int gprn), + void (*hea_read)(DisasContext *opaque, int gprn, int sprn), + void (*hea_write)(DisasContext *opaque, int sprn, int gprn), #endif #if defined(CONFIG_KVM) uint64_t one_reg_id, @@ -633,6 +658,8 @@ static inline void _spr_register(CPUPPCState *env, int num, #if !defined(CONFIG_USER_ONLY) spr->oea_read = oea_read; spr->oea_write = oea_write; + spr->hea_read = hea_read; + spr->hea_write = hea_write; #endif #if defined(CONFIG_KVM) spr->one_reg_id = one_reg_id, @@ -1036,30 +1063,102 @@ static void gen_spr_7xx (CPUPPCState *env) #ifdef TARGET_PPC64 #ifndef CONFIG_USER_ONLY -static void spr_read_uamr (DisasContext *ctx, int gprn, int sprn) +static void spr_write_amr(DisasContext *ctx, int sprn, int gprn) { - gen_load_spr(cpu_gpr[gprn], SPR_AMR); - spr_load_dump_spr(SPR_AMR); -} + TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + TCGv t2 = tcg_temp_new(); -static void spr_write_uamr (DisasContext *ctx, int sprn, int gprn) -{ - gen_store_spr(SPR_AMR, cpu_gpr[gprn]); + /* Note, the HV=1 PR=0 case is handled earlier by simply using + * spr_write_generic for HV mode in the SPR table + */ + + /* Build insertion mask into t1 based on context */ + if (ctx->pr) { + gen_load_spr(t1, SPR_UAMOR); + } else { + gen_load_spr(t1, SPR_AMOR); + } + + /* Mask new bits into t2 */ + tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); + + /* Load AMR and clear new bits in t0 */ + gen_load_spr(t0, SPR_AMR); + tcg_gen_andc_tl(t0, t0, t1); + + /* Or'in new bits and write it out */ + tcg_gen_or_tl(t0, t0, t2); + gen_store_spr(SPR_AMR, t0); spr_store_dump_spr(SPR_AMR); + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(t2); } -static void spr_write_uamr_pr (DisasContext *ctx, int sprn, int gprn) +static void spr_write_uamor(DisasContext *ctx, int sprn, int gprn) { TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + TCGv t2 = tcg_temp_new(); + + /* Note, the HV=1 case is handled earlier by simply using + * spr_write_generic for HV mode in the SPR table + */ + /* Build insertion mask into t1 based on context */ + gen_load_spr(t1, SPR_AMOR); + + /* Mask new bits into t2 */ + tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); + + /* Load AMR and clear new bits in t0 */ gen_load_spr(t0, SPR_UAMOR); - tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]); - gen_store_spr(SPR_AMR, t0); - spr_store_dump_spr(SPR_AMR); + tcg_gen_andc_tl(t0, t0, t1); + + /* Or'in new bits and write it out */ + tcg_gen_or_tl(t0, t0, t2); + gen_store_spr(SPR_UAMOR, t0); + spr_store_dump_spr(SPR_UAMOR); + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(t2); +} + +static void spr_write_iamr(DisasContext *ctx, int sprn, int gprn) +{ + TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + TCGv t2 = tcg_temp_new(); + + /* Note, the HV=1 case is handled earlier by simply using + * spr_write_generic for HV mode in the SPR table + */ + + /* Build insertion mask into t1 based on context */ + gen_load_spr(t1, SPR_AMOR); + + /* Mask new bits into t2 */ + tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); + + /* Load AMR and clear new bits in t0 */ + gen_load_spr(t0, SPR_IAMR); + tcg_gen_andc_tl(t0, t0, t1); + + /* Or'in new bits and write it out */ + tcg_gen_or_tl(t0, t0, t2); + gen_store_spr(SPR_IAMR, t0); + spr_store_dump_spr(SPR_IAMR); + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(t2); } #endif /* CONFIG_USER_ONLY */ -static void gen_spr_amr (CPUPPCState *env) +static void gen_spr_amr(CPUPPCState *env, bool has_iamr) { #ifndef CONFIG_USER_ONLY /* Virtual Page Class Key protection */ @@ -1067,17 +1166,31 @@ static void gen_spr_amr (CPUPPCState *env) * userspace accessible, 29 is privileged. So we only need to set * the kvm ONE_REG id on one of them, we use 29 */ spr_register(env, SPR_UAMR, "UAMR", - &spr_read_uamr, &spr_write_uamr_pr, - &spr_read_uamr, &spr_write_uamr, + &spr_read_generic, &spr_write_amr, + &spr_read_generic, &spr_write_amr, 0); - spr_register_kvm(env, SPR_AMR, "AMR", + spr_register_kvm_hv(env, SPR_AMR, "AMR", SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_amr, &spr_read_generic, &spr_write_generic, KVM_REG_PPC_AMR, 0); - spr_register_kvm(env, SPR_UAMOR, "UAMOR", + spr_register_kvm_hv(env, SPR_UAMOR, "UAMOR", SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_uamor, &spr_read_generic, &spr_write_generic, KVM_REG_PPC_UAMOR, 0); + spr_register_hv(env, SPR_AMOR, "AMOR", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0); + if (has_iamr) { + spr_register_kvm_hv(env, SPR_IAMR, "IAMR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_iamr, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_IAMR, 0); + } #endif /* !CONFIG_USER_ONLY */ } #endif /* TARGET_PPC64 */ @@ -7464,6 +7577,25 @@ static void gen_spr_book3s_dbg(CPUPPCState *env) KVM_REG_PPC_DABRX, 0x00000000); } +static void gen_spr_book3s_207_dbg(CPUPPCState *env) +{ + spr_register_kvm_hv(env, SPR_DAWR, "DAWR", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_DAWR, 0x00000000); + spr_register_kvm_hv(env, SPR_DAWRX, "DAWRX", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_DAWRX, 0x00000000); + spr_register_kvm_hv(env, SPR_CIABR, "CIABR", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_CIABR, 0x00000000); +} + static void gen_spr_970_dbg(CPUPPCState *env) { /* Breakpoints */ @@ -7878,6 +8010,36 @@ static void gen_spr_power8_pspb(CPUPPCState *env) KVM_REG_PPC_PSPB, 0); } +static void gen_spr_power8_ic(CPUPPCState *env) +{ +#if !defined(CONFIG_USER_ONLY) + spr_register_hv(env, SPR_IC, "IC", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0); +#endif +} + +static void gen_spr_power8_book4(CPUPPCState *env) +{ + /* Add a number of P8 book4 registers */ +#if !defined(CONFIG_USER_ONLY) + spr_register_kvm(env, SPR_ACOP, "ACOP", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_ACOP, 0); + spr_register_kvm(env, SPR_BOOKS_PID, "PID", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_PID, 0); + spr_register_kvm(env, SPR_WORT, "WORT", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_WORT, 0); +#endif +} + static void init_proc_book3s_64(CPUPPCState *env, int version) { gen_spr_ne_601(env); @@ -7899,7 +8061,7 @@ static void init_proc_book3s_64(CPUPPCState *env, int version) case BOOK3S_CPU_POWER7: case BOOK3S_CPU_POWER8: gen_spr_book3s_ids(env); - gen_spr_amr(env); + gen_spr_amr(env, version >= BOOK3S_CPU_POWER8); gen_spr_book3s_purr(env); env->ci_large_pages = true; break; @@ -7930,9 +8092,13 @@ static void init_proc_book3s_64(CPUPPCState *env, int version) gen_spr_power8_tm(env); gen_spr_power8_pspb(env); gen_spr_vtb(env); + gen_spr_power8_ic(env); + gen_spr_power8_book4(env); } if (version < BOOK3S_CPU_POWER8) { gen_spr_book3s_dbg(env); + } else { + gen_spr_book3s_207_dbg(env); } #if !defined(CONFIG_USER_ONLY) switch (version) { @@ -8332,8 +8498,33 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) pcc->l1_icache_size = 0x8000; pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; } -#endif /* defined (TARGET_PPC64) */ +#if !defined(CONFIG_USER_ONLY) + +void cpu_ppc_set_papr(PowerPCCPU *cpu) +{ + CPUPPCState *env = &cpu->env; + ppc_spr_t *amor = &env->spr_cb[SPR_AMOR]; + + /* PAPR always has exception vectors in RAM not ROM. To ensure this, + * MSR[IP] should never be set. + * + * We also disallow setting of MSR_HV + */ + env->msr_mask &= ~((1ull << MSR_EP) | MSR_HVB); + + /* Set a full AMOR so guest can use the AMR as it sees fit */ + env->spr[SPR_AMOR] = amor->default_value = 0xffffffffffffffffull; + + /* Tell KVM that we're in PAPR mode */ + if (kvm_enabled()) { + kvmppc_set_papr(cpu); + } +} + +#endif /* !defined(CONFIG_USER_ONLY) */ + +#endif /* defined (TARGET_PPC64) */ /*****************************************************************************/ /* Generic CPU instantiation routine */ @@ -9703,7 +9894,7 @@ static void ppc_cpu_reset(CPUState *s) #if defined(TARGET_PPC64) if (env->mmu_model & POWERPC_MMU_64) { - env->msr |= (1ULL << MSR_SF); + msr |= (1ULL << MSR_SF); } #endif |