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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
parent34c9dd8eea38e94d97e22ac12c2f2aaa0dca59d8 (diff)
downloadqemu-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
-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: