diff options
| author | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2014-09-29 18:48:50 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-09-29 18:48:50 +0100 |
| commit | e0d6e6a5e799c91b74e157ca2cb7f4d2dbc0d56b (patch) | |
| tree | 6398b676b331c3884f78aa8653d73981f8df4e90 /target-arm/translate-a64.c | |
| parent | 607d98b81e68a5fe23e553a0b75c0c38346a6d5f (diff) | |
target-arm: A64: Emulate the SMC insn
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-10-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm/translate-a64.c')
| -rw-r--r-- | target-arm/translate-a64.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c index f4cb56e8e6..35ae3ea281 100644 --- a/target-arm/translate-a64.c +++ b/target-arm/translate-a64.c @@ -1470,6 +1470,7 @@ static void disas_exc(DisasContext *s, uint32_t insn) int opc = extract32(insn, 21, 3); int op2_ll = extract32(insn, 0, 5); int imm16 = extract32(insn, 5, 16); + TCGv_i32 tmp; switch (opc) { case 0: @@ -1496,6 +1497,18 @@ static void disas_exc(DisasContext *s, uint32_t insn) gen_ss_advance(s); gen_exception_insn(s, 0, EXCP_HVC, syn_aa64_hvc(imm16)); break; + case 3: + if (!arm_dc_feature(s, ARM_FEATURE_EL3) || s->current_pl == 0) { + unallocated_encoding(s); + break; + } + gen_a64_set_pc_im(s->pc - 4); + tmp = tcg_const_i32(syn_aa64_smc(imm16)); + gen_helper_pre_smc(cpu_env, tmp); + tcg_temp_free_i32(tmp); + gen_ss_advance(s); + gen_exception_insn(s, 0, EXCP_SMC, syn_aa64_smc(imm16)); + break; default: unallocated_encoding(s); break; |