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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);