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| author | Richard Henderson <richard.henderson@linaro.org> | 2019-09-04 12:30:18 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-09-05 13:23:03 +0100 |
| commit | c5c426d4c680f908a1e262091a17b088b5709200 (patch) | |
| tree | 4c7dcbf6447132cade0354305b886046186ce7ef /target/arm/a32.decode | |
| parent | 8f4451274b7010c1f50e0baa5bb608f19f02b90f (diff) | |
| download | qemu-c5c426d4c680f908a1e262091a17b088b5709200.zip qemu-c5c426d4c680f908a1e262091a17b088b5709200.tar.gz qemu-c5c426d4c680f908a1e262091a17b088b5709200.tar.bz2 | |
target/arm: Convert LDM, STM
This includes a minor bug fix to LDM (user), which requires
bit 21 to be 0, which means no writeback.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-29-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/a32.decode')
| -rw-r--r-- | target/arm/a32.decode | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/target/arm/a32.decode b/target/arm/a32.decode index 341882e..1267a68 100644 --- a/target/arm/a32.decode +++ b/target/arm/a32.decode @@ -40,6 +40,7 @@ &mrs_bank rd r sysm &ldst_rr p w u rn rt rm shimm shtype &ldst_ri p w u rn rt imm +&ldst_block rn i b u w list &strex rn rd rt rt2 imm &ldrex rn rt rt2 imm &bfx rd rn lsb widthm1 @@ -514,3 +515,8 @@ SMMLA .... 0111 0101 .... .... .... 0001 .... @rdamn SMMLAR .... 0111 0101 .... .... .... 0011 .... @rdamn SMMLS .... 0111 0101 .... .... .... 1101 .... @rdamn SMMLSR .... 0111 0101 .... .... .... 1111 .... @rdamn + +# Block data transfer + +STM ---- 100 b:1 i:1 u:1 w:1 0 rn:4 list:16 &ldst_block +LDM_a32 ---- 100 b:1 i:1 u:1 w:1 1 rn:4 list:16 &ldst_block |