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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-10-13 21:08:07 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-10-13 21:08:07 +0000
commit2054ac9baf27ecec52acde96881c9f0278ce04da (patch)
treec76df382d9c6d6a0b37b7430877518a242efb127 /linux-user/syscall.c
parent34c9dd8eea38e94d97e22ac12c2f2aaa0dca59d8 (diff)
downloadfocaccia-qemu-2054ac9baf27ecec52acde96881c9f0278ce04da.tar.gz
focaccia-qemu-2054ac9baf27ecec52acde96881c9f0278ce04da.zip
linux-user: Add readahead syscall
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5479 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user/syscall.c')
-rw-r--r--linux-user/syscall.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index f1f050ee62..dc7e561009 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5761,7 +5761,20 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         break;
 #ifdef TARGET_NR_readahead
     case TARGET_NR_readahead:
-        goto unimplemented;
+#if TARGET_ABI_BITS == 32
+#ifdef TARGET_ARM
+        if (((CPUARMState *)cpu_env)->eabi)
+        {
+            arg2 = arg3;
+            arg3 = arg4;
+            arg4 = arg5;
+        }
+#endif
+        ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
+#else
+        ret = get_errno(readahead(arg1, arg2, arg3));
+#endif
+        break;
 #endif
 #ifdef TARGET_NR_setxattr
     case TARGET_NR_setxattr: