Commit 44588388 authored by Laurent Vivier's avatar Laurent Vivier Committed by Alex Bennée
Browse files

linux-user, ppc: fix clock_nanosleep() for linux-user-ppc 



Our safe_clock_nanosleep() returns -1 and updates errno.

We don't need to update the CRF bit in syscall.c because it will
be updated in ppc/cpu_loop.c as the return value is negative.

Signed-off-by: default avatarLaurent Vivier <laurent@vivier.eu>
Signed-off-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Message-Id: <20200722174612.2917566-3-laurent@vivier.eu>
Message-Id: <20200724064509.331-14-alex.bennee@linaro.org>
parent 8ec68a0a

linux-user/syscall.c

+0 −7
Original line number Diff line number Diff line
@@ -11840,13 +11840,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, 
            host_to_target_timespec(arg4, &ts);

        }



#if defined(TARGET_PPC)

        /* clock_nanosleep is odd in that it returns positive errno values.

         * On PPC, CR0 bit 3 should be set in such a situation. */

        if (ret && ret != -TARGET_ERESTARTSYS) {

            ((CPUPPCState *)cpu_env)->crf[0] |= 1;

        }

#endif

        return ret;

    }

#endif