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| author | Nicholas Piggin <npiggin@gmail.com> | 2024-05-01 23:04:33 +1000 |
|---|---|---|
| committer | Nicholas Piggin <npiggin@gmail.com> | 2024-05-24 08:57:50 +1000 |
| commit | ab4f174baee4b28b454fc94a7de2978c13a423ac (patch) | |
| tree | 8209e13f2e00fa2b3d780fec6af9075a60fdc61c /target/ppc | |
| parent | 13f50867837874892f33c32a4452843d9ce7144c (diff) | |
| download | qemu-ab4f174baee4b28b454fc94a7de2978c13a423ac.zip qemu-ab4f174baee4b28b454fc94a7de2978c13a423ac.tar.gz qemu-ab4f174baee4b28b454fc94a7de2978c13a423ac.tar.bz2 | |
target/ppc: Fix embedded memory barriers
Memory barriers are supposed to do something on BookE systems, these
were probably just missed during MTTCG enablement, maybe no targets
support SMP. Either way, add proper BookE implementations.
Reviewed-by: Chinmay Rath <rathc@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/translate/misc-impl.c.inc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/target/ppc/translate/misc-impl.c.inc b/target/ppc/translate/misc-impl.c.inc index cb1a2b7..7574317 100644 --- a/target/ppc/translate/misc-impl.c.inc +++ b/target/ppc/translate/misc-impl.c.inc @@ -34,8 +34,7 @@ static bool trans_SYNC(DisasContext *ctx, arg_X_sync *a) */ if (!(ctx->insns_flags & PPC_MEM_SYNC)) { if (ctx->insns_flags & PPC_BOOKE) { - /* msync replaces sync on 440, interpreted as nop */ - /* XXX: this also catches e200 */ + tcg_gen_mb(bar | TCG_BAR_SC); return true; } @@ -75,6 +74,7 @@ static bool trans_EIEIO(DisasContext *ctx, arg_EIEIO *a) if (!(ctx->insns_flags & PPC_MEM_EIEIO)) { if ((ctx->insns_flags & PPC_BOOKE) || (ctx->insns_flags2 & PPC2_BOOKE206)) { + tcg_gen_mb(bar | TCG_BAR_SC); return true; } return false; |