From: Aleksandar Markovic <amarkovic@wavecomp.com>
Extend gen_scwp() functionality to support EVA by adding an
additional argument, and accordingly change related invocations.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
---
target/mips/translate.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index b660235..e57b2be 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -3708,7 +3708,7 @@ static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt,
}
static void gen_scwp(DisasContext *ctx, uint32_t base, int16_t offset,
- uint32_t reg1, uint32_t reg2)
+ uint32_t reg1, uint32_t reg2, bool eva)
{
TCGv taddr = tcg_temp_local_new();
TCGv lladdr = tcg_temp_local_new();
@@ -3736,7 +3736,7 @@ static void gen_scwp(DisasContext *ctx, uint32_t base, int16_t offset,
tcg_gen_ld_i64(llval, cpu_env, offsetof(CPUMIPSState, llval_wp));
tcg_gen_atomic_cmpxchg_i64(val, taddr, llval, tval,
- ctx->mem_idx, MO_64);
+ eva ? MIPS_HFLAG_UM : ctx->mem_idx, MO_64);
if (reg1 != 0) {
tcg_gen_movi_tl(cpu_gpr[reg1], 1);
}
@@ -21481,7 +21481,8 @@ static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
break;
case NM_SCWP:
check_xnp(ctx);
- gen_scwp(ctx, rs, 0, rt, extract32(ctx->opcode, 3, 5));
+ gen_scwp(ctx, rs, 0, rt, extract32(ctx->opcode, 3, 5),
+ false);
break;
}
break;
@@ -21585,7 +21586,8 @@ static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
check_xnp(ctx);
check_eva(ctx);
check_cp0_enabled(ctx);
- gen_scwp(ctx, rs, 0, rt, extract32(ctx->opcode, 3, 5));
+ gen_scwp(ctx, rs, 0, rt, extract32(ctx->opcode, 3, 5),
+ true);
break;
default:
generate_exception_end(ctx, EXCP_RI);
--
2.7.4