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authorAleksandar Markovic2019-01-21 14:37:46 +0100
committerAleksandar Markovic2019-01-24 17:48:33 +0100
commit8d5388c1de8bf207316369213bd950bafa6badda (patch)
tree4a7aa7c102951f9a1e71742a7cbb8023a28c5dcb /target/mips/translate.c
parenttarget/mips: Correct the second argument type of cpu_supports_isa() (diff)
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target/mips: Extend gen_scwp() functionality to support EVA
Extend gen_scwp() functionality to support EVA by adding an additional argument, modify internals of the function to handle new functionality, and accordingly change its invocations. Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Diffstat (limited to 'target/mips/translate.c')
-rw-r--r--target/mips/translate.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c
index b362b03d74..aaf7dffdea 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -3714,7 +3714,7 @@ 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();
@@ -3742,7 +3742,7 @@ 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);
}
@@ -21550,7 +21550,8 @@ 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;
@@ -21654,7 +21655,8 @@ 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);