diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2022-05-19 23:59:08 +1000 |
|---|---|---|
| committer | Daniel Henrique Barboza <danielhb413@gmail.com> | 2022-05-26 17:11:33 -0300 |
| commit | 03abfd90cfb02aa08f44bbb7141b0aaaf69042ef (patch) | |
| tree | f44f2f70b6db7a1eab45a8ed086c6f5150b36745 /target/ppc/cpu_init.c | |
| parent | fc879703f74851e3e861894a0c4a6902877d0c2c (diff) | |
target/ppc: Implement lwsync with weaker memory ordering
This allows an x86 host to no-op lwsyncs, and ppc host can use lwsync
rather than sync.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220519135908.21282-5-npiggin@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'target/ppc/cpu_init.c')
| -rw-r--r-- | target/ppc/cpu_init.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 527ad40fcb..0f891afa04 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -5769,7 +5769,7 @@ POWERPC_FAMILY(970)(ObjectClass *oc, void *data) PPC_MEM_TLBIE | PPC_MEM_TLBSYNC | PPC_64B | PPC_ALTIVEC | PPC_SEGMENT_64B | PPC_SLBI; - pcc->insns_flags2 = PPC2_FP_CVT_S64; + pcc->insns_flags2 = PPC2_FP_CVT_S64 | PPC2_MEM_LWSYNC; pcc->msr_mask = (1ull << MSR_SF) | (1ull << MSR_VR) | (1ull << MSR_POW) | @@ -5846,7 +5846,7 @@ POWERPC_FAMILY(POWER5P)(ObjectClass *oc, void *data) PPC_64B | PPC_POPCNTB | PPC_SEGMENT_64B | PPC_SLBI; - pcc->insns_flags2 = PPC2_FP_CVT_S64; + pcc->insns_flags2 = PPC2_FP_CVT_S64 | PPC2_MEM_LWSYNC; pcc->msr_mask = (1ull << MSR_SF) | (1ull << MSR_VR) | (1ull << MSR_POW) | @@ -5985,7 +5985,7 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) PPC2_PERM_ISA206 | PPC2_DIVE_ISA206 | PPC2_ATOMIC_ISA206 | PPC2_FP_CVT_ISA206 | PPC2_FP_TST_ISA206 | PPC2_FP_CVT_S64 | - PPC2_PM_ISA206; + PPC2_PM_ISA206 | PPC2_MEM_LWSYNC; pcc->msr_mask = (1ull << MSR_SF) | (1ull << MSR_VR) | (1ull << MSR_VSX) | @@ -6159,7 +6159,7 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 | PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 | PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 | - PPC2_TM | PPC2_PM_ISA206; + PPC2_TM | PPC2_PM_ISA206 | PPC2_MEM_LWSYNC; pcc->msr_mask = (1ull << MSR_SF) | (1ull << MSR_HV) | (1ull << MSR_TM) | @@ -6379,7 +6379,7 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 | PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 | PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 | - PPC2_TM | PPC2_ISA300 | PPC2_PRCNTL; + PPC2_TM | PPC2_ISA300 | PPC2_PRCNTL | PPC2_MEM_LWSYNC; pcc->msr_mask = (1ull << MSR_SF) | (1ull << MSR_HV) | (1ull << MSR_TM) | @@ -6596,7 +6596,8 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data) PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 | PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 | PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 | - PPC2_TM | PPC2_ISA300 | PPC2_PRCNTL | PPC2_ISA310; + PPC2_TM | PPC2_ISA300 | PPC2_PRCNTL | PPC2_ISA310 | + PPC2_MEM_LWSYNC; pcc->msr_mask = (1ull << MSR_SF) | (1ull << MSR_HV) | (1ull << MSR_TM) | |