aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/syscalls.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/syscalls.c')
-rw-r--r--arch/powerpc/kernel/syscalls.c60
1 files changed, 33 insertions, 27 deletions
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index fc999140bc27..68ebb23a5af4 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -36,9 +36,9 @@
#include <asm/time.h>
#include <asm/unistd.h>
-static inline long do_mmap2(unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long off, int shift)
+static long do_mmap2(unsigned long addr, size_t len,
+ unsigned long prot, unsigned long flags,
+ unsigned long fd, unsigned long off, int shift)
{
if (!arch_validate_prot(prot, addr))
return -EINVAL;
@@ -56,6 +56,16 @@ SYSCALL_DEFINE6(mmap2, unsigned long, addr, size_t, len,
return do_mmap2(addr, len, prot, flags, fd, pgoff, PAGE_SHIFT-12);
}
+#ifdef CONFIG_COMPAT
+COMPAT_SYSCALL_DEFINE6(mmap2,
+ unsigned long, addr, size_t, len,
+ unsigned long, prot, unsigned long, flags,
+ unsigned long, fd, unsigned long, off_4k)
+{
+ return do_mmap2(addr, len, prot, flags, fd, off_4k, PAGE_SHIFT-12);
+}
+#endif
+
SYSCALL_DEFINE6(mmap, unsigned long, addr, size_t, len,
unsigned long, prot, unsigned long, flags,
unsigned long, fd, off_t, offset)
@@ -63,43 +73,39 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, size_t, len,
return do_mmap2(addr, len, prot, flags, fd, offset, PAGE_SHIFT);
}
-#ifdef CONFIG_PPC32
-/*
- * Due to some executables calling the wrong select we sometimes
- * get wrong args. This determines how the args are being passed
- * (a single ptr to them all args passed) then calls
- * sys_select() with the appropriate args. -- Cort
- */
-int
-ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct __kernel_old_timeval __user *tvp)
-{
- if ((unsigned long)n >= 4096)
- return sys_old_select((void __user *)n);
-
- return sys_select(n, inp, outp, exp, tvp);
-}
-#endif
-
#ifdef CONFIG_PPC64
-long ppc64_personality(unsigned long personality)
+static long do_ppc64_personality(unsigned long personality)
{
long ret;
if (personality(current->personality) == PER_LINUX32
&& personality(personality) == PER_LINUX)
personality = (personality & ~PER_MASK) | PER_LINUX32;
- ret = sys_personality(personality);
+ ret = ksys_personality(personality);
if (personality(ret) == PER_LINUX32)
ret = (ret & ~PER_MASK) | PER_LINUX;
return ret;
}
-#endif
-long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
- u32 len_high, u32 len_low)
+SYSCALL_DEFINE1(ppc64_personality, unsigned long, personality)
+{
+ return do_ppc64_personality(personality);
+}
+
+#ifdef CONFIG_COMPAT
+COMPAT_SYSCALL_DEFINE1(ppc64_personality, unsigned long, personality)
+{
+ return do_ppc64_personality(personality);
+}
+#endif /* CONFIG_COMPAT */
+#endif /* CONFIG_PPC64 */
+
+SYSCALL_DEFINE6(ppc_fadvise64_64,
+ int, fd, int, advice, u32, offset_high, u32, offset_low,
+ u32, len_high, u32, len_low)
{
- return ksys_fadvise64_64(fd, (u64)offset_high << 32 | offset_low,
- (u64)len_high << 32 | len_low, advice);
+ return ksys_fadvise64_64(fd, merge_64(offset_high, offset_low),
+ merge_64(len_high, len_low), advice);
}
SYSCALL_DEFINE0(switch_endian)