On 09/15/2017 08:58 AM, James Clarke wrote:
Fixes: https://bugs.launchpad.net/qemu/+bug/1716767 Signed-off-by: James Clarke <jrt...@jrtc27.com> --- linux-user/syscall.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 9b6364a266..24d6a81c21 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -10495,20 +10495,32 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_pread64 case TARGET_NR_pread64: +#if defined(TARGET_SH4) + /* SH4 doesn't align register pairs, except for p{read,write}64 */ + arg4 = arg5; + arg5 = arg6; +#else if (regpairs_aligned(cpu_env)) { arg4 = arg5; arg5 = arg6; } +#endif if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) goto efault; ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); unlock_user(p, arg2, ret); break; case TARGET_NR_pwrite64: +#if defined(TARGET_SH4) + /* SH4 doesn't align register pairs, except for p{read,write}64 */ + arg4 = arg5; + arg5 = arg6; +#else if (regpairs_aligned(cpu_env)) { arg4 = arg5; arg5 = arg6; } +#endif if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) goto efault; ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); -- 2.13.2
Tested-By: John Paul Adrian Glaubitz <glaub...@physik.fu-berlin.de> -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaub...@debian.org `. `' Freie Universitaet Berlin - glaub...@physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
