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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/t32.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/t32.decode')
| -rw-r--r-- | target/arm/t32.decode | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/target/arm/t32.decode b/target/arm/t32.decode index f315fde..f1e2b93 100644 --- a/target/arm/t32.decode +++ b/target/arm/t32.decode @@ -37,6 +37,7 @@ &mrs_bank !extern rd r sysm &ldst_rr !extern p w u rn rt rm shimm shtype &ldst_ri !extern p w u rn rt imm +&ldst_block !extern rn i b u w list &strex !extern rn rd rt rt2 imm &ldrex !extern rn rt rt2 imm &bfx !extern rd rn lsb widthm1 @@ -563,3 +564,12 @@ SXTAB16 1111 1010 0010 .... 1111 .... 10.. .... @rrr_rot UXTAB16 1111 1010 0011 .... 1111 .... 10.. .... @rrr_rot SXTAB 1111 1010 0100 .... 1111 .... 10.. .... @rrr_rot UXTAB 1111 1010 0101 .... 1111 .... 10.. .... @rrr_rot + +# Load/store multiple + +@ldstm .... .... .. w:1 . rn:4 list:16 &ldst_block u=0 + +STM_t32 1110 1000 10.0 .... ................ @ldstm i=1 b=0 +STM_t32 1110 1001 00.0 .... ................ @ldstm i=0 b=1 +LDM_t32 1110 1000 10.1 .... ................ @ldstm i=1 b=0 +LDM_t32 1110 1001 00.1 .... ................ @ldstm i=0 b=1 |