diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2019-09-04 12:30:27 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-09-05 13:23:03 +0100 |
| commit | 48c04a5dfaf2c08e00b659a22c502ec098999cf1 (patch) | |
| tree | 2a37a743d5e7010020f77c3318e2d78f93bb9dab /target | |
| parent | 52f83b9c68bdde8d3da5f49292d3561bd474651d (diff) | |
| download | qemu-48c04a5dfaf2c08e00b659a22c502ec098999cf1.zip | |
target/arm: Convert SETEND
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-38-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target')
| -rw-r--r-- | target/arm/a32-uncond.decode | 4 | ||||
| -rw-r--r-- | target/arm/translate.c | 22 |
2 files changed, 17 insertions, 9 deletions
diff --git a/target/arm/a32-uncond.decode b/target/arm/a32-uncond.decode index de611e8aff..32253b4f9a 100644 --- a/target/arm/a32-uncond.decode +++ b/target/arm/a32-uncond.decode @@ -24,6 +24,7 @@ &empty !extern &i !extern imm +&setend E # Branch with Link and Exchange @@ -50,3 +51,6 @@ DSB 1111 0101 0111 1111 1111 0000 0100 ---- DMB 1111 0101 0111 1111 1111 0000 0101 ---- ISB 1111 0101 0111 1111 1111 0000 0110 ---- SB 1111 0101 0111 1111 1111 0000 0111 0000 + +# Set Endianness +SETEND 1111 0001 0000 0001 0000 00 E:1 0 0000 0000 &setend diff --git a/target/arm/translate.c b/target/arm/translate.c index 664ea281f8..a599da96e1 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10240,6 +10240,18 @@ static bool trans_SB(DisasContext *s, arg_SB *a) return true; } +static bool trans_SETEND(DisasContext *s, arg_SETEND *a) +{ + if (!ENABLE_ARCH_6) { + return false; + } + if (a->E != (s->be_data == MO_BE)) { + gen_helper_setend(cpu_env); + s->base.is_jmp = DISAS_UPDATE; + } + return true; +} + /* * Legacy decoder. */ @@ -10325,15 +10337,7 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) return; /* v7MP: Unallocated memory hint: must NOP */ } - if ((insn & 0x0ffffdff) == 0x01010000) { - ARCH(6); - /* setend */ - if (((insn >> 9) & 1) != !!(s->be_data == MO_BE)) { - gen_helper_setend(cpu_env); - s->base.is_jmp = DISAS_UPDATE; - } - return; - } else if ((insn & 0x0e000f00) == 0x0c000100) { + if ((insn & 0x0e000f00) == 0x0c000100) { if (arm_dc_feature(s, ARM_FEATURE_IWMMXT)) { /* iWMMXt register transfer. */ if (extract32(s->c15_cpar, 1, 1)) { |