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
This commit is contained in:
aurel32 2008-10-13 21:08:07 +00:00
parent 34c9dd8eea
commit 2054ac9baf
1 changed files with 14 additions and 1 deletions

View File

@ -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: