Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] remove asm-ia64/bitops.h self-inclusion
[IA64] strcpy returns NULL pointer and not destination pointer
+6
-4
+6
-3
arch/ia64/lib/memcpy_mck.S
+6
-3
arch/ia64/lib/memcpy_mck.S
···
6
6
* in1: source address
7
7
* in2: number of bytes to copy
8
8
* Output:
9
-
* 0 if success, or number of byte NOT copied if error occurred.
9
+
* for memcpy: return dest
10
+
* for copy_user: return 0 if success,
11
+
* or number of byte NOT copied if error occurred.
10
12
*
11
13
* Copyright (C) 2002 Intel Corp.
12
14
* Copyright (C) 2002 Ken Chen <kenneth.w.chen@intel.com>
···
75
73
and r28=0x7,in0
76
74
and r29=0x7,in1
77
75
mov f6=f0
76
+
mov retval=in0
78
77
br.cond.sptk .common_code
79
78
;;
80
79
END(memcpy)
···
87
84
mov f6=f1
88
85
mov saved_in0=in0 // save dest pointer
89
86
mov saved_in1=in1 // save src pointer
90
-
mov saved_in2=in2 // save len
87
+
mov retval=r0 // initialize return value
91
88
;;
92
89
.common_code:
93
90
cmp.gt p15,p0=8,in2 // check for small size
···
95
92
cmp.ne p14,p0=0,r29 // check src alignment
96
93
add src0=0,in1
97
94
sub r30=8,r28 // for .align_dest
98
-
mov retval=r0 // initialize return value
95
+
mov saved_in2=in2 // save len
99
96
;;
100
97
add dst0=0,in0
101
98
add dst1=1,in0 // dest odd index