diff options
Diffstat (limited to 'target/riscv/translate.c')
-rw-r--r-- | target/riscv/translate.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 30c0e28..2a88bd9 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -193,16 +193,33 @@ static void gen_check_nanbox_s(TCGv_i64 out, TCGv_i64 in) tcg_gen_movcond_i64(TCG_COND_GEU, out, in, t_max, in, t_nan); } +static void gen_set_pc_imm(DisasContext *ctx, target_ulong dest) +{ + if (get_xl(ctx) == MXL_RV32) { + dest = (int32_t)dest; + } + tcg_gen_movi_tl(cpu_pc, dest); +} + +static void gen_set_pc(DisasContext *ctx, TCGv dest) +{ + if (get_xl(ctx) == MXL_RV32) { + tcg_gen_ext32s_tl(cpu_pc, dest); + } else { + tcg_gen_mov_tl(cpu_pc, dest); + } +} + static void generate_exception(DisasContext *ctx, int excp) { - tcg_gen_movi_tl(cpu_pc, ctx->base.pc_next); + gen_set_pc_imm(ctx, ctx->base.pc_next); gen_helper_raise_exception(cpu_env, tcg_constant_i32(excp)); ctx->base.is_jmp = DISAS_NORETURN; } static void generate_exception_mtval(DisasContext *ctx, int excp) { - tcg_gen_movi_tl(cpu_pc, ctx->base.pc_next); + gen_set_pc_imm(ctx, ctx->base.pc_next); tcg_gen_st_tl(cpu_pc, cpu_env, offsetof(CPURISCVState, badaddr)); gen_helper_raise_exception(cpu_env, tcg_constant_i32(excp)); ctx->base.is_jmp = DISAS_NORETURN; @@ -225,10 +242,10 @@ static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) { if (translator_use_goto_tb(&ctx->base, dest)) { tcg_gen_goto_tb(n); - tcg_gen_movi_tl(cpu_pc, dest); + gen_set_pc_imm(ctx, dest); tcg_gen_exit_tb(ctx->base.tb, n); } else { - tcg_gen_movi_tl(cpu_pc, dest); + gen_set_pc_imm(ctx, dest); tcg_gen_lookup_and_goto_ptr(); } } |