diff options
Diffstat (limited to 'target/ppc/helper_regs.c')
| -rw-r--r-- | target/ppc/helper_regs.c | 402 |
1 files changed, 402 insertions, 0 deletions
diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c index 38fcb5fe50..9a691d6833 100644 --- a/target/ppc/helper_regs.c +++ b/target/ppc/helper_regs.c @@ -24,6 +24,8 @@ #include "sysemu/kvm.h" #include "helper_regs.h" #include "power8-pmu.h" +#include "cpu-models.h" +#include "spr_common.h" /* Swap temporary saved registers with GPRs */ void hreg_swap_gpr_tgpr(CPUPPCState *env) @@ -302,3 +304,403 @@ void check_tlb_flush(CPUPPCState *env, bool global) } } #endif + +/** + * _spr_register + * + * Register an SPR with all the callbacks required for tcg, + * and the ID number for KVM. + * + * The reason for the conditional compilation is that the tcg functions + * may be compiled out, and the system kvm header may not be available + * for supplying the ID numbers. This is ugly, but the best we can do. + */ +void _spr_register(CPUPPCState *env, int num, const char *name, + USR_ARG(spr_callback *uea_read) + USR_ARG(spr_callback *uea_write) + SYS_ARG(spr_callback *oea_read) + SYS_ARG(spr_callback *oea_write) + SYS_ARG(spr_callback *hea_read) + SYS_ARG(spr_callback *hea_write) + KVM_ARG(uint64_t one_reg_id) + target_ulong initial_value) +{ + ppc_spr_t *spr = &env->spr_cb[num]; + + /* No SPR should be registered twice. */ + assert(spr->name == NULL); + assert(name != NULL); + + spr->name = name; + spr->default_value = initial_value; + env->spr[num] = initial_value; + +#ifdef CONFIG_TCG + spr->uea_read = uea_read; + spr->uea_write = uea_write; +# ifndef CONFIG_USER_ONLY + spr->oea_read = oea_read; + spr->oea_write = oea_write; + spr->hea_read = hea_read; + spr->hea_write = hea_write; +# endif +#endif +#ifdef CONFIG_KVM + spr->one_reg_id = one_reg_id; +#endif +} + +/* Generic PowerPC SPRs */ +void register_generic_sprs(PowerPCCPU *cpu) +{ + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); + CPUPPCState *env = &cpu->env; + + /* Integer processing */ + spr_register(env, SPR_XER, "XER", + &spr_read_xer, &spr_write_xer, + &spr_read_xer, &spr_write_xer, + 0x00000000); + /* Branch control */ + spr_register(env, SPR_LR, "LR", + &spr_read_lr, &spr_write_lr, + &spr_read_lr, &spr_write_lr, + 0x00000000); + spr_register(env, SPR_CTR, "CTR", + &spr_read_ctr, &spr_write_ctr, + &spr_read_ctr, &spr_write_ctr, + 0x00000000); + /* Interrupt processing */ + spr_register(env, SPR_SRR0, "SRR0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + spr_register(env, SPR_SRR1, "SRR1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* Processor control */ + spr_register(env, SPR_SPRG0, "SPRG0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + spr_register(env, SPR_SPRG1, "SPRG1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + spr_register(env, SPR_SPRG2, "SPRG2", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + spr_register(env, SPR_SPRG3, "SPRG3", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + + spr_register(env, SPR_PVR, "PVR", + /* Linux permits userspace to read PVR */ +#if defined(CONFIG_LINUX_USER) + &spr_read_generic, +#else + SPR_NOACCESS, +#endif + SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + pcc->pvr); + + /* Register SVR if it's defined to anything else than POWERPC_SVR_NONE */ + if (pcc->svr != POWERPC_SVR_NONE) { + if (pcc->svr & POWERPC_SVR_E500) { + spr_register(env, SPR_E500_SVR, "SVR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + pcc->svr & ~POWERPC_SVR_E500); + } else { + spr_register(env, SPR_SVR, "SVR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + pcc->svr); + } + } + + /* Time base */ + spr_register(env, SPR_VTBL, "TBL", + &spr_read_tbl, SPR_NOACCESS, + &spr_read_tbl, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_TBL, "TBL", + &spr_read_tbl, SPR_NOACCESS, + &spr_read_tbl, &spr_write_tbl, + 0x00000000); + spr_register(env, SPR_VTBU, "TBU", + &spr_read_tbu, SPR_NOACCESS, + &spr_read_tbu, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_TBU, "TBU", + &spr_read_tbu, SPR_NOACCESS, + &spr_read_tbu, &spr_write_tbu, + 0x00000000); +} + +void register_non_embedded_sprs(CPUPPCState *env) +{ + /* Exception processing */ + spr_register_kvm(env, SPR_DSISR, "DSISR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_DSISR, 0x00000000); + spr_register_kvm(env, SPR_DAR, "DAR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_DAR, 0x00000000); + /* Timer */ + spr_register(env, SPR_DECR, "DECR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_decr, &spr_write_decr, + 0x00000000); +} + +/* Storage Description Register 1 */ +void register_sdr1_sprs(CPUPPCState *env) +{ +#ifndef CONFIG_USER_ONLY + if (env->has_hv_mode) { + /* + * SDR1 is a hypervisor resource on CPUs which have a + * hypervisor mode + */ + spr_register_hv(env, SPR_SDR1, "SDR1", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_sdr1, + 0x00000000); + } else { + spr_register(env, SPR_SDR1, "SDR1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_sdr1, + 0x00000000); + } +#endif +} + +/* BATs 0-3 */ +void register_low_BATs(CPUPPCState *env) +{ +#if !defined(CONFIG_USER_ONLY) + spr_register(env, SPR_IBAT0U, "IBAT0U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatu, + 0x00000000); + spr_register(env, SPR_IBAT0L, "IBAT0L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatl, + 0x00000000); + spr_register(env, SPR_IBAT1U, "IBAT1U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatu, + 0x00000000); + spr_register(env, SPR_IBAT1L, "IBAT1L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatl, + 0x00000000); + spr_register(env, SPR_IBAT2U, "IBAT2U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatu, + 0x00000000); + spr_register(env, SPR_IBAT2L, "IBAT2L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatl, + 0x00000000); + spr_register(env, SPR_IBAT3U, "IBAT3U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatu, + 0x00000000); + spr_register(env, SPR_IBAT3L, "IBAT3L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatl, + 0x00000000); + spr_register(env, SPR_DBAT0U, "DBAT0U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatu, + 0x00000000); + spr_register(env, SPR_DBAT0L, "DBAT0L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatl, + 0x00000000); + spr_register(env, SPR_DBAT1U, "DBAT1U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatu, + 0x00000000); + spr_register(env, SPR_DBAT1L, "DBAT1L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatl, + 0x00000000); + spr_register(env, SPR_DBAT2U, "DBAT2U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatu, + 0x00000000); + spr_register(env, SPR_DBAT2L, "DBAT2L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatl, + 0x00000000); + spr_register(env, SPR_DBAT3U, "DBAT3U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatu, + 0x00000000); + spr_register(env, SPR_DBAT3L, "DBAT3L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatl, + 0x00000000); + env->nb_BATs += 4; +#endif +} + +/* BATs 4-7 */ +void register_high_BATs(CPUPPCState *env) +{ +#if !defined(CONFIG_USER_ONLY) + spr_register(env, SPR_IBAT4U, "IBAT4U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatu_h, + 0x00000000); + spr_register(env, SPR_IBAT4L, "IBAT4L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatl_h, + 0x00000000); + spr_register(env, SPR_IBAT5U, "IBAT5U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatu_h, + 0x00000000); + spr_register(env, SPR_IBAT5L, "IBAT5L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatl_h, + 0x00000000); + spr_register(env, SPR_IBAT6U, "IBAT6U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatu_h, + 0x00000000); + spr_register(env, SPR_IBAT6L, "IBAT6L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatl_h, + 0x00000000); + spr_register(env, SPR_IBAT7U, "IBAT7U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatu_h, + 0x00000000); + spr_register(env, SPR_IBAT7L, "IBAT7L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatl_h, + 0x00000000); + spr_register(env, SPR_DBAT4U, "DBAT4U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatu_h, + 0x00000000); + spr_register(env, SPR_DBAT4L, "DBAT4L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatl_h, + 0x00000000); + spr_register(env, SPR_DBAT5U, "DBAT5U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatu_h, + 0x00000000); + spr_register(env, SPR_DBAT5L, "DBAT5L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatl_h, + 0x00000000); + spr_register(env, SPR_DBAT6U, "DBAT6U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatu_h, + 0x00000000); + spr_register(env, SPR_DBAT6L, "DBAT6L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatl_h, + 0x00000000); + spr_register(env, SPR_DBAT7U, "DBAT7U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatu_h, + 0x00000000); + spr_register(env, SPR_DBAT7L, "DBAT7L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatl_h, + 0x00000000); + env->nb_BATs += 4; +#endif +} + +/* Softare table search registers */ +void register_6xx_7xx_soft_tlb(CPUPPCState *env, int nb_tlbs, int nb_ways) +{ +#if !defined(CONFIG_USER_ONLY) + env->nb_tlb = nb_tlbs; + env->nb_ways = nb_ways; + env->id_tlbs = 1; + env->tlb_type = TLB_6XX; + spr_register(env, SPR_DMISS, "DMISS", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_DCMP, "DCMP", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_HASH1, "HASH1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_HASH2, "HASH2", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_IMISS, "IMISS", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_ICMP, "ICMP", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_RPA, "RPA", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); +#endif +} + +void register_thrm_sprs(CPUPPCState *env) +{ + /* Thermal management */ + spr_register(env, SPR_THRM1, "THRM1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_thrm, &spr_write_generic, + 0x00000000); + + spr_register(env, SPR_THRM2, "THRM2", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_thrm, &spr_write_generic, + 0x00000000); + + spr_register(env, SPR_THRM3, "THRM3", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_thrm, &spr_write_generic, + 0x00000000); +} + +void register_usprgh_sprs(CPUPPCState *env) +{ + spr_register(env, SPR_USPRG4, "USPRG4", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_USPRG5, "USPRG5", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_USPRG6, "USPRG6", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_USPRG7, "USPRG7", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); +} |