summary refs log tree commit diff stats
path: root/target/mips/translate.c
diff options
context:
space:
mode:
Diffstat (limited to 'target/mips/translate.c')
-rw-r--r--target/mips/translate.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c
index e57d71e485..20b43c0337 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -2112,7 +2112,7 @@ OP_ST_ATOMIC(scd,st64,ld64,0x7);
 #undef OP_ST_ATOMIC
 
 static void gen_base_offset_addr (DisasContext *ctx, TCGv addr,
-                                  int base, int16_t offset)
+                                  int base, int offset)
 {
     if (base == 0) {
         tcg_gen_movi_tl(addr, offset);
@@ -2140,7 +2140,7 @@ static target_ulong pc_relative_pc (DisasContext *ctx)
 
 /* Load */
 static void gen_ld(DisasContext *ctx, uint32_t opc,
-                   int rt, int base, int16_t offset)
+                   int rt, int base, int offset)
 {
     TCGv t0, t1, t2;
     int mem_idx = ctx->mem_idx;
@@ -2337,7 +2337,7 @@ static void gen_ld(DisasContext *ctx, uint32_t opc,
 
 /* Store */
 static void gen_st (DisasContext *ctx, uint32_t opc, int rt,
-                    int base, int16_t offset)
+                    int base, int offset)
 {
     TCGv t0 = tcg_temp_new();
     TCGv t1 = tcg_temp_new();
@@ -2433,11 +2433,8 @@ static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt,
 
 /* Load and store */
 static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
-                          int base, int16_t offset)
+                          TCGv t0)
 {
-    TCGv t0 = tcg_temp_new();
-
-    gen_base_offset_addr(ctx, t0, base, offset);
     /* Don't do NOP if destination is zero: we must perform the actual
        memory access. */
     switch (opc) {
@@ -2480,15 +2477,15 @@ static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
     default:
         MIPS_INVAL("flt_ldst");
         generate_exception_end(ctx, EXCP_RI);
-        goto out;
+        break;
     }
- out:
-    tcg_temp_free(t0);
 }
 
 static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt,
                           int rs, int16_t imm)
 {
+    TCGv t0 = tcg_temp_new();
+
     if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
         check_cp1_enabled(ctx);
         switch (op) {
@@ -2497,16 +2494,18 @@ static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt,
             check_insn(ctx, ISA_MIPS2);
             /* Fallthrough */
         default:
-            gen_flt_ldst(ctx, op, rt, rs, imm);
+            gen_base_offset_addr(ctx, t0, rs, imm);
+            gen_flt_ldst(ctx, op, rt, t0);
         }
     } else {
         generate_exception_err(ctx, EXCP_CpU, 1);
     }
+    tcg_temp_free(t0);
 }
 
 /* Arithmetic with immediate operand */
 static void gen_arith_imm(DisasContext *ctx, uint32_t opc,
-                          int rt, int rs, int16_t imm)
+                          int rt, int rs, int imm)
 {
     target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
 
@@ -20713,6 +20712,11 @@ void cpu_state_reset(CPUMIPSState *env)
         env->CP0_Status |= (1 << CP0St_FR);
     }
 
+    if (env->CP0_Config3 & (1 << CP0C3_ISA)) {
+        /*  microMIPS on reset when Config3.ISA == {1, 3} */
+        env->hflags |= MIPS_HFLAG_M16;
+    }
+
     /* MSA */
     if (env->CP0_Config3 & (1 << CP0C3_MSAP)) {
         msa_reset(env);