diff mbox series

[v3,15/18] target/loongarch: Add avail_LSPW to check LSPW instructions

Message ID 20230817093121.1053890-16-gaosong@loongson.cn (mailing list archive)
State New, archived
Headers show
Series Add some checks before translating instructions | expand

Commit Message

Song Gao Aug. 17, 2023, 9:31 a.m. UTC 
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/loongarch/insn_trans/trans_privileged.c.inc | 8 ++++++++
 target/loongarch/translate.h                       | 1 +
 2 files changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/target/loongarch/insn_trans/trans_privileged.c.inc b/target/loongarch/insn_trans/trans_privileged.c.inc
index 684ff547a7..099cd871f0 100644
--- a/target/loongarch/insn_trans/trans_privileged.c.inc
+++ b/target/loongarch/insn_trans/trans_privileged.c.inc
@@ -437,6 +437,10 @@  static bool trans_ldpte(DisasContext *ctx, arg_ldpte *a)
     TCGv_i32 mem_idx = tcg_constant_i32(ctx->mem_idx);
     TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE);
 
+    if (!avail_LSPW(ctx)) {
+        return true;
+    }
+
     if (check_plv(ctx)) {
         return false;
     }
@@ -450,6 +454,10 @@  static bool trans_lddir(DisasContext *ctx, arg_lddir *a)
     TCGv src = gpr_src(ctx, a->rj, EXT_NONE);
     TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE);
 
+    if (!avail_LSPW(ctx)) {
+        return true;
+    }
+
     if (check_plv(ctx)) {
         return false;
     }
diff --git a/target/loongarch/translate.h b/target/loongarch/translate.h
index 0f244cd83b..f0d7b82932 100644
--- a/target/loongarch/translate.h
+++ b/target/loongarch/translate.h
@@ -20,6 +20,7 @@ 
 #define avail_FP(C)    (FIELD_EX32((C)->cpucfg2, CPUCFG2, FP))
 #define avail_FP_SP(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, FP_SP))
 #define avail_FP_DP(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, FP_DP))
+#define avail_LSPW(C)  (FIELD_EX32((C)->cpucfg2, CPUCFG2, LSPW))
 
 /*
  * If an operation is being performed on less than TARGET_LONG_BITS,