On 4/27/21 10:16 AM, Luis Pires wrote:
Prefixed instructions were introduced in Power ISA 3.1
Signed-off-by: Luis Pires <luis.pi...@eldorado.org.br>
---
target/ppc/translate.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 7422ea4e13..f4802a4f08 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -7837,7 +7837,11 @@ static bool ppc_tr_breakpoint_check(DisasContextBase
*dcbase, CPUState *cs,
static bool is_prefix_insn(DisasContext *ctx, uint32_t insn)
{
- /* TODO: Check ctx->insns_flags* for whether prefixes are supported. */
+ if (!(ctx->insns_flags2 & PPC2_ISA310)) {
+ /* Prefixed instructions are not supported */
+ return false;
+ }
Patch 11 introduced REQUIRE_INSNS_FLAGS; this pattern calls for the
introduction of REQUIRE_INSNS_FLAGS2, as you'll need it later.
Fold this back into patch 8, or move this to be patch 9, so that we don't have
a range of patches which accept invalid instructions.
r~
