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Diffstat (limited to 'target-arm/translate.c')
-rw-r--r--target-arm/translate.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c
index 514954300d..a8f1ffe6ff 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -6100,9 +6100,31 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
goto illegal_op;
return;
}
- if ((insn & 0x0d70f000) == 0x0550f000)
- return; /* PLD */
- else if ((insn & 0x0ffffdff) == 0x01010000) {
+ if (((insn & 0x0f30f000) == 0x0510f000) ||
+ ((insn & 0x0f30f010) == 0x0710f000)) {
+ if ((insn & (1 << 22)) == 0) {
+ /* PLDW; v7MP */
+ if (!arm_feature(env, ARM_FEATURE_V7MP)) {
+ goto illegal_op;
+ }
+ }
+ /* Otherwise PLD; v5TE+ */
+ return;
+ }
+ if (((insn & 0x0f70f000) == 0x0450f000) ||
+ ((insn & 0x0f70f010) == 0x0650f000)) {
+ ARCH(7);
+ return; /* PLI; V7 */
+ }
+ if (((insn & 0x0f700000) == 0x04100000) ||
+ ((insn & 0x0f700010) == 0x06100000)) {
+ if (!arm_feature(env, ARM_FEATURE_V7MP)) {
+ goto illegal_op;
+ }
+ return; /* v7MP: Unallocated memory hint: must NOP */
+ }
+
+ if ((insn & 0x0ffffdff) == 0x01010000) {
ARCH(6);
/* setend */
if (insn & (1 << 9)) {