[Qemu-devel] [PULL 1/4] arm: HVC and SMC encodings don't exist for M profile

[Peter Maydell]

M profile doesn't have the HVC or SMC encodings, so make them always
UNDEF rather than generating calls to helper functions that assume
A/R profile.

Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
Message-id: address@hidden
---
 target/arm/translate.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/target/arm/translate.c b/target/arm/translate.c
index b859f10..216852b 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -10377,6 +10377,9 @@ static int disas_thumb2_insn(CPUARMState *env, 
DisasContext *s, uint16_t insn_hw
                     goto illegal_op;
 
                 if (insn & (1 << 26)) {
+                    if (arm_dc_feature(s, ARM_FEATURE_M)) {
+                        goto illegal_op;
+                    }
                     if (!(insn & (1 << 20))) {
                         /* Hypervisor call (v7) */
                         int imm16 = extract32(insn, 16, 4) << 12
-- 
2.7.4