diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2016-02-23 15:36:43 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-02-26 15:09:41 +0000 |
| commit | ae08792301c182bdec48656dee3dce38b3391a1a (patch) | |
| tree | be738447a867057832595609ed89350c5c7e40c5 /linux-user/main.c | |
| parent | f8c88bbcda76d5674e4bb125471371b41d330df8 (diff) | |
linux-user: Use restrictive mask when calling cpsr_write()
When linux-user code is calling cpsr_write(), use a restrictive
mask to ensure we are limiting the set of CPSR bits we update.
In particular, don't allow the mode bits to be changed.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Sergey Fedorov <serge.fdrv@gmail.com>
Message-id: 1455556977-3644-5-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 072eee8285..700724effe 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -4446,7 +4446,8 @@ int main(int argc, char **argv, char **envp) #elif defined(TARGET_ARM) { int i; - cpsr_write(env, regs->uregs[16], 0xffffffff, CPSRWriteByInstr); + cpsr_write(env, regs->uregs[16], CPSR_USER | CPSR_EXEC, + CPSRWriteByInstr); for(i = 0; i < 16; i++) { env->regs[i] = regs->uregs[i]; } |