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| author | Timothy E Baldwin <T.E.Baldwin99@members.leeds.ac.uk> | 2016-05-12 18:47:36 +0100 |
|---|---|---|
| committer | Riku Voipio <riku.voipio@linaro.org> | 2016-05-27 14:49:50 +0300 |
| commit | 338c858c946017cd3ec8c2be06d817e001d94bc3 (patch) | |
| tree | 7fd5c85bda977aeb2e73c016cc2843324928b5e8 /linux-user/alpha | |
| parent | ba41249678f8c1504bf07706ddb0eda0d36cccc2 (diff) | |
| download | qemu-338c858c946017cd3ec8c2be06d817e001d94bc3.zip qemu-338c858c946017cd3ec8c2be06d817e001d94bc3.tar.gz qemu-338c858c946017cd3ec8c2be06d817e001d94bc3.tar.bz2 | |
linux-user: Support for restarting system calls for Alpha targets
Update the Alpha main loop and sigreturn code:
* on TARGET_ERESTARTSYS, wind guest PC backwards to repeat syscall insn
* handle TARGET_QEMU_ESIGRETURN in the main loop as the indication
that the main loop should not touch any guest CPU state
Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk>
Message-id: 1441497448-32489-13-git-send-email-T.E.Baldwin99@members.leeds.ac.uk
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: tweak commit message; drop TARGET_USE_ERESTARTSYS define;
PC is env->pc, not env->ir[IR_PV]]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user/alpha')
| -rw-r--r-- | linux-user/alpha/target_signal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/linux-user/alpha/target_signal.h b/linux-user/alpha/target_signal.h index d3822da..4c78319 100644 --- a/linux-user/alpha/target_signal.h +++ b/linux-user/alpha/target_signal.h @@ -27,6 +27,7 @@ static inline abi_ulong get_sp_from_cpustate(CPUAlphaState *state) return state->ir[IR_SP]; } + /* From <asm/gentrap.h>. */ #define TARGET_GEN_INTOVF -1 /* integer overflow */ #define TARGET_GEN_INTDIV -2 /* integer division by zero */ |