diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-03-04 11:30:21 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-03-04 11:30:21 +0000 |
| commit | 9886ecdf31165de2d4b8bccc1a220bd6ac8bc192 (patch) | |
| tree | dcf7ac4757818aec6738dc97b17e3f2c934ca2ef /target-arm/translate.c | |
| parent | 91cca2cda9823b1e7a049cb308a05104b5076cba (diff) | |
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.c | 14 |
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: |