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authorPeter Maydell <peter.maydell@linaro.org>2011-01-06 11:05:10 +0000
committerRiku Voipio <riku.voipio@iki.fi>2011-01-07 17:13:22 +0200
commitc727f47d59641c43ce171126232fd8049296adf6 (patch)
treefce1c2a0ebc893077b5ac9ca851d2f31f1f0566c /linux-user/syscall.c
parent2a704b137f1acfbd972aa6e9f031c5015c7e28cb (diff)
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linux-user: Implement sync_file_range{,2} syscalls
Implement the missing syscalls sync_file_range and sync_file_range2. The latter in particular is used by newer versions of apt on Ubuntu for ARM. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Diffstat (limited to 'linux-user/syscall.c')
-rw-r--r--linux-user/syscall.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index c3e8706..1939a5f 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7365,6 +7365,29 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
break;
#endif
+#if defined(CONFIG_SYNC_FILE_RANGE)
+#if defined(TARGET_NR_sync_file_range)
+ case TARGET_NR_sync_file_range:
+#if TARGET_ABI_BITS == 32
+ ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
+ target_offset64(arg4, arg5), arg6));
+#else
+ ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
+#endif
+ break;
+#endif
+#if defined(TARGET_NR_sync_file_range2)
+ case TARGET_NR_sync_file_range2:
+ /* This is like sync_file_range but the arguments are reordered */
+#if TARGET_ABI_BITS == 32
+ ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
+ target_offset64(arg5, arg6), arg2));
+#else
+ ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
+#endif
+ break;
+#endif
+#endif
default:
unimplemented:
gemu_log("qemu: Unsupported syscall: %d\n", num);