From 338c858c946017cd3ec8c2be06d817e001d94bc3 Mon Sep 17 00:00:00 2001 From: Timothy E Baldwin Date: Thu, 12 May 2016 18:47:36 +0100 Subject: 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 Message-id: 1441497448-32489-13-git-send-email-T.E.Baldwin99@members.leeds.ac.uk Reviewed-by: Peter Maydell [PMM: tweak commit message; drop TARGET_USE_ERESTARTSYS define; PC is env->pc, not env->ir[IR_PV]] Signed-off-by: Peter Maydell Signed-off-by: Riku Voipio --- linux-user/alpha/target_signal.h | 1 + 1 file changed, 1 insertion(+) (limited to 'linux-user/alpha') 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 . */ #define TARGET_GEN_INTOVF -1 /* integer overflow */ #define TARGET_GEN_INTDIV -2 /* integer division by zero */ -- cgit v1.1