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authorPaolo Bonzini <pbonzini@redhat.com>2016-03-04 11:30:21 +0000
committerPeter Maydell <peter.maydell@linaro.org>2016-03-04 11:30:21 +0000
commit9886ecdf31165de2d4b8bccc1a220bd6ac8bc192 (patch)
treedcf7ac4757818aec6738dc97b17e3f2c934ca2ef /target-arm/translate.c
parent91cca2cda9823b1e7a049cb308a05104b5076cba (diff)
downloadqemu-arm-9886ecdf31165de2d4b8bccc1a220bd6ac8bc192.tar.gz
target-arm: implement setend
Since this is not a high-performance path, just use a helper to flip the E bit and force a lookup in the hash table since the flags have changed. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm/translate.c')
-rw-r--r--target-arm/translate.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c
index c430fec7ad..c23ddb3bf2 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -7786,10 +7786,9 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
if ((insn & 0x0ffffdff) == 0x01010000) {
ARCH(6);
/* setend */
- if (((insn >> 9) & 1) != bswap_code(s->sctlr_b)) {
- /* Dynamic endianness switching not implemented. */
- qemu_log_mask(LOG_UNIMP, "arm: unimplemented setend\n");
- goto illegal_op;
+ if (((insn >> 9) & 1) != !!(s->be_data == MO_BE)) {
+ gen_helper_setend(cpu_env);
+ s->is_jmp = DISAS_UPDATE;
}
return;
} else if ((insn & 0x0fffff00) == 0x057ff000) {
@@ -11121,10 +11120,9 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s)
case 2:
/* setend */
ARCH(6);
- if (((insn >> 3) & 1) != bswap_code(s->sctlr_b)) {
- /* Dynamic endianness switching not implemented. */
- qemu_log_mask(LOG_UNIMP, "arm: unimplemented setend\n");
- goto illegal_op;
+ if (((insn >> 3) & 1) != !!(s->be_data == MO_BE)) {
+ gen_helper_setend(cpu_env);
+ s->is_jmp = DISAS_UPDATE;
}
break;
case 3: