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| author | Peter Maydell <peter.maydell@linaro.org> | 2010-12-07 15:37:34 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2010-12-07 15:37:34 +0000 |
| commit | 2c9adbda721c9996ec6b371cac4a00c1164b818e (patch) | |
| tree | e2b26c30811dd0a35f069073929d427bd6fa3116 /linux-user/main.c | |
| parent | 49e14940adeea797abd2be4ccda97d0349b22aae (diff) | |
| download | qemu-2c9adbda721c9996ec6b371cac4a00c1164b818e.zip qemu-2c9adbda721c9996ec6b371cac4a00c1164b818e.tar.gz qemu-2c9adbda721c9996ec6b371cac4a00c1164b818e.tar.bz2 | |
ARM: fix ldrexd/strexd
Correct ldrexd and strexd code to always read and write the
high word of the 64-bit value from addr+4.
Also make ldrexd and strexd agree that for a 64 bit value the
address in env->exclusive_addr is that of the low word.
This fixes the issues reported in
https://bugs.launchpad.net/qemu/+bug/670883
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Nathan Froyd <froydnj@codesourcery.com>
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 7d41d4a..0d627d6 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -589,7 +589,7 @@ static int do_strex(CPUARMState *env) } if (size == 3) { val = env->regs[(env->exclusive_info >> 12) & 0xf]; - segv = put_user_u32(val, addr); + segv = put_user_u32(val, addr + 4); if (segv) { env->cp15.c6_data = addr + 4; goto done; |