diff options
Diffstat (limited to 'target/ppc/mem_helper.c')
| -rw-r--r-- | target/ppc/mem_helper.c | 72 |
1 files changed, 71 insertions, 1 deletions
diff --git a/target/ppc/mem_helper.c b/target/ppc/mem_helper.c index a34e604db3..8f0d86d104 100644 --- a/target/ppc/mem_helper.c +++ b/target/ppc/mem_helper.c @@ -21,9 +21,9 @@ #include "exec/exec-all.h" #include "qemu/host-utils.h" #include "exec/helper-proto.h" - #include "helper_regs.h" #include "exec/cpu_ldst.h" +#include "tcg.h" #include "internal.h" //#define DEBUG_OP @@ -215,6 +215,76 @@ target_ulong helper_lscbx(CPUPPCState *env, target_ulong addr, uint32_t reg, return i; } +#if defined(TARGET_PPC64) && defined(CONFIG_ATOMIC128) +uint64_t helper_lq_le_parallel(CPUPPCState *env, target_ulong addr, + uint32_t opidx) +{ + Int128 ret = helper_atomic_ldo_le_mmu(env, addr, opidx, GETPC()); + env->retxh = int128_gethi(ret); + return int128_getlo(ret); +} + +uint64_t helper_lq_be_parallel(CPUPPCState *env, target_ulong addr, + uint32_t opidx) +{ + Int128 ret = helper_atomic_ldo_be_mmu(env, addr, opidx, GETPC()); + env->retxh = int128_gethi(ret); + return int128_getlo(ret); +} + +void helper_stq_le_parallel(CPUPPCState *env, target_ulong addr, + uint64_t lo, uint64_t hi, uint32_t opidx) +{ + Int128 val = int128_make128(lo, hi); + helper_atomic_sto_le_mmu(env, addr, val, opidx, GETPC()); +} + +void helper_stq_be_parallel(CPUPPCState *env, target_ulong addr, + uint64_t lo, uint64_t hi, uint32_t opidx) +{ + Int128 val = int128_make128(lo, hi); + helper_atomic_sto_be_mmu(env, addr, val, opidx, GETPC()); +} + +uint32_t helper_stqcx_le_parallel(CPUPPCState *env, target_ulong addr, + uint64_t new_lo, uint64_t new_hi, + uint32_t opidx) +{ + bool success = false; + + if (likely(addr == env->reserve_addr)) { + Int128 oldv, cmpv, newv; + + cmpv = int128_make128(env->reserve_val2, env->reserve_val); + newv = int128_make128(new_lo, new_hi); + oldv = helper_atomic_cmpxchgo_le_mmu(env, addr, cmpv, newv, + opidx, GETPC()); + success = int128_eq(oldv, cmpv); + } + env->reserve_addr = -1; + return env->so + success * CRF_EQ_BIT; +} + +uint32_t helper_stqcx_be_parallel(CPUPPCState *env, target_ulong addr, + uint64_t new_lo, uint64_t new_hi, + uint32_t opidx) +{ + bool success = false; + + if (likely(addr == env->reserve_addr)) { + Int128 oldv, cmpv, newv; + + cmpv = int128_make128(env->reserve_val2, env->reserve_val); + newv = int128_make128(new_lo, new_hi); + oldv = helper_atomic_cmpxchgo_be_mmu(env, addr, cmpv, newv, + opidx, GETPC()); + success = int128_eq(oldv, cmpv); + } + env->reserve_addr = -1; + return env->so + success * CRF_EQ_BIT; +} +#endif + /*****************************************************************************/ /* Altivec extension helpers */ #if defined(HOST_WORDS_BIGENDIAN) |