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-rw-r--r--arch/avr32/lib/Makefile1
-rw-r--r--arch/avr32/lib/delay.c4
-rw-r--r--arch/avr32/lib/findbit.S33
-rw-r--r--arch/avr32/lib/io-readsb.S49
-rw-r--r--arch/avr32/lib/io-writesb.S52
-rw-r--r--arch/avr32/lib/libgcc.h33
-rw-r--r--arch/avr32/lib/longlong.h98
-rw-r--r--arch/avr32/lib/memcpy.S16
-rw-r--r--arch/avr32/lib/strnlen_user.S2
9 files changed, 151 insertions, 137 deletions
diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile
index 09ac43e4052..084d95bac5e 100644
--- a/arch/avr32/lib/Makefile
+++ b/arch/avr32/lib/Makefile
@@ -7,4 +7,5 @@ lib-y += strncpy_from_user.o strnlen_user.o
lib-y += delay.o memset.o memcpy.o findbit.o
lib-y += csum_partial.o csum_partial_copy_generic.o
lib-y += io-readsw.o io-readsl.o io-writesw.o io-writesl.o
+lib-y += io-readsb.o io-writesb.o
lib-y += __avr32_lsl64.o __avr32_lsr64.o __avr32_asr64.o
diff --git a/arch/avr32/lib/delay.c b/arch/avr32/lib/delay.c
index 462c8307b68..c2f4a07dcda 100644
--- a/arch/avr32/lib/delay.c
+++ b/arch/avr32/lib/delay.c
@@ -12,9 +12,11 @@
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/timex.h>
+#include <linux/param.h>
#include <linux/types.h>
+#include <linux/init.h>
-#include <asm/delay.h>
#include <asm/processor.h>
#include <asm/sysreg.h>
diff --git a/arch/avr32/lib/findbit.S b/arch/avr32/lib/findbit.S
index 2b4856f4bf7..b93586460be 100644
--- a/arch/avr32/lib/findbit.S
+++ b/arch/avr32/lib/findbit.S
@@ -123,7 +123,7 @@ ENTRY(find_next_bit)
brgt 1b
retal r11
-ENTRY(generic_find_next_zero_le_bit)
+ENTRY(find_next_bit_le)
lsr r8, r10, 5
sub r9, r11, r10
retle r11
@@ -152,3 +152,34 @@ ENTRY(generic_find_next_zero_le_bit)
sub r9, 32
brgt 1b
retal r11
+
+ENTRY(find_next_zero_bit_le)
+ lsr r8, r10, 5
+ sub r9, r11, r10
+ retle r11
+
+ lsl r8, 2
+ add r12, r8
+ andl r10, 31, COH
+ breq 1f
+
+ /* offset is not word-aligned. Handle the first (32 - r10) bits */
+ ldswp.w r8, r12[0]
+ sub r12, -4
+ com r8
+ lsr r8, r8, r10
+ brne .L_found
+
+ /* r9 = r9 - (32 - r10) = r9 + r10 - 32 */
+ add r9, r10
+ sub r9, 32
+ retle r11
+
+ /* Main loop. offset must be word-aligned */
+1: ldswp.w r8, r12[0]
+ com r8
+ brne .L_found
+ sub r12, -4
+ sub r9, 32
+ brgt 1b
+ retal r11
diff --git a/arch/avr32/lib/io-readsb.S b/arch/avr32/lib/io-readsb.S
new file mode 100644
index 00000000000..cb2d8694555
--- /dev/null
+++ b/arch/avr32/lib/io-readsb.S
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ .text
+.Lnot_word_aligned:
+1: ld.ub r8, r12[0]
+ sub r10, 1
+ st.b r11++, r8
+ reteq r12
+ tst r11, r9
+ brne 1b
+
+ /* fall through */
+
+ .global __raw_readsb
+ .type __raw_readsb,@function
+__raw_readsb:
+ cp.w r10, 0
+ mov r9, 3
+ reteq r12
+
+ tst r11, r9
+ brne .Lnot_word_aligned
+
+ sub r10, 4
+ brlt 2f
+
+1: ldins.b r8:t, r12[0]
+ ldins.b r8:u, r12[0]
+ ldins.b r8:l, r12[0]
+ ldins.b r8:b, r12[0]
+ st.w r11++, r8
+ sub r10, 4
+ brge 1b
+
+2: sub r10, -4
+ reteq r12
+
+3: ld.ub r8, r12[0]
+ sub r10, 1
+ st.b r11++, r8
+ brne 3b
+
+ retal r12
diff --git a/arch/avr32/lib/io-writesb.S b/arch/avr32/lib/io-writesb.S
new file mode 100644
index 00000000000..b4ebaacccf6
--- /dev/null
+++ b/arch/avr32/lib/io-writesb.S
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ .text
+.Lnot_word_aligned:
+1: ld.ub r8, r11++
+ sub r10, 1
+ st.b r12[0], r8
+ reteq r12
+ tst r11, r9
+ brne 1b
+
+ /* fall through */
+
+ .global __raw_writesb
+ .type __raw_writesb,@function
+__raw_writesb:
+ cp.w r10, 0
+ mov r9, 3
+ reteq r12
+
+ tst r11, r9
+ brne .Lnot_word_aligned
+
+ sub r10, 4
+ brlt 2f
+
+1: ld.w r8, r11++
+ bfextu r9, r8, 24, 8
+ st.b r12[0], r9
+ bfextu r9, r8, 16, 8
+ st.b r12[0], r9
+ bfextu r9, r8, 8, 8
+ st.b r12[0], r9
+ st.b r12[0], r8
+ sub r10, 4
+ brge 1b
+
+2: sub r10, -4
+ reteq r12
+
+3: ld.ub r8, r11++
+ sub r10, 1
+ st.b r12[0], r8
+ brne 3b
+
+ retal r12
diff --git a/arch/avr32/lib/libgcc.h b/arch/avr32/lib/libgcc.h
deleted file mode 100644
index 5a091b5e361..00000000000
--- a/arch/avr32/lib/libgcc.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/* Definitions for various functions 'borrowed' from gcc-3.4.3 */
-
-#define BITS_PER_UNIT 8
-
-typedef int QItype __attribute__ ((mode (QI)));
-typedef unsigned int UQItype __attribute__ ((mode (QI)));
-typedef int HItype __attribute__ ((mode (HI)));
-typedef unsigned int UHItype __attribute__ ((mode (HI)));
-typedef int SItype __attribute__ ((mode (SI)));
-typedef unsigned int USItype __attribute__ ((mode (SI)));
-typedef int DItype __attribute__ ((mode (DI)));
-typedef unsigned int UDItype __attribute__ ((mode (DI)));
-typedef float SFtype __attribute__ ((mode (SF)));
-typedef float DFtype __attribute__ ((mode (DF)));
-typedef int word_type __attribute__ ((mode (__word__)));
-
-#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
-#define Wtype SItype
-#define UWtype USItype
-#define HWtype SItype
-#define UHWtype USItype
-#define DWtype DItype
-#define UDWtype UDItype
-#define __NW(a,b) __ ## a ## si ## b
-#define __NDW(a,b) __ ## a ## di ## b
-
-struct DWstruct {Wtype high, low;};
-
-typedef union
-{
- struct DWstruct s;
- DWtype ll;
-} DWunion;
diff --git a/arch/avr32/lib/longlong.h b/arch/avr32/lib/longlong.h
deleted file mode 100644
index cd5e369ac43..00000000000
--- a/arch/avr32/lib/longlong.h
+++ /dev/null
@@ -1,98 +0,0 @@
-/* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
- Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000
- Free Software Foundation, Inc.
-
- This definition file is free software; you can redistribute it
- and/or modify it under the terms of the GNU General Public
- License as published by the Free Software Foundation; either
- version 2, or (at your option) any later version.
-
- This definition file is distributed in the hope that it will be
- useful, but WITHOUT ANY WARRANTY; without even the implied
- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- See the GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/* Borrowed from gcc-3.4.3 */
-
-#define __BITS4 (W_TYPE_SIZE / 4)
-#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2))
-#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1))
-#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2))
-
-#define count_leading_zeros(count, x) ((count) = __builtin_clz(x))
-
-#define __udiv_qrnnd_c(q, r, n1, n0, d) \
- do { \
- UWtype __d1, __d0, __q1, __q0; \
- UWtype __r1, __r0, __m; \
- __d1 = __ll_highpart (d); \
- __d0 = __ll_lowpart (d); \
- \
- __r1 = (n1) % __d1; \
- __q1 = (n1) / __d1; \
- __m = (UWtype) __q1 * __d0; \
- __r1 = __r1 * __ll_B | __ll_highpart (n0); \
- if (__r1 < __m) \
- { \
- __q1--, __r1 += (d); \
- if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\
- if (__r1 < __m) \
- __q1--, __r1 += (d); \
- } \
- __r1 -= __m; \
- \
- __r0 = __r1 % __d1; \
- __q0 = __r1 / __d1; \
- __m = (UWtype) __q0 * __d0; \
- __r0 = __r0 * __ll_B | __ll_lowpart (n0); \
- if (__r0 < __m) \
- { \
- __q0--, __r0 += (d); \
- if (__r0 >= (d)) \
- if (__r0 < __m) \
- __q0--, __r0 += (d); \
- } \
- __r0 -= __m; \
- \
- (q) = (UWtype) __q1 * __ll_B | __q0; \
- (r) = __r0; \
- } while (0)
-
-#define udiv_qrnnd __udiv_qrnnd_c
-
-#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
- do { \
- UWtype __x; \
- __x = (al) - (bl); \
- (sh) = (ah) - (bh) - (__x > (al)); \
- (sl) = __x; \
- } while (0)
-
-#define umul_ppmm(w1, w0, u, v) \
- do { \
- UWtype __x0, __x1, __x2, __x3; \
- UHWtype __ul, __vl, __uh, __vh; \
- \
- __ul = __ll_lowpart (u); \
- __uh = __ll_highpart (u); \
- __vl = __ll_lowpart (v); \
- __vh = __ll_highpart (v); \
- \
- __x0 = (UWtype) __ul * __vl; \
- __x1 = (UWtype) __ul * __vh; \
- __x2 = (UWtype) __uh * __vl; \
- __x3 = (UWtype) __uh * __vh; \
- \
- __x1 += __ll_highpart (__x0);/* this can't give carry */ \
- __x1 += __x2; /* but this indeed can */ \
- if (__x1 < __x2) /* did we get it? */ \
- __x3 += __ll_B; /* yes, add it in the proper pos. */ \
- \
- (w1) = __x3 + __ll_highpart (__x1); \
- (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \
- } while (0)
diff --git a/arch/avr32/lib/memcpy.S b/arch/avr32/lib/memcpy.S
index 0abb26142b6..c2ca49d705a 100644
--- a/arch/avr32/lib/memcpy.S
+++ b/arch/avr32/lib/memcpy.S
@@ -24,8 +24,8 @@ memcpy:
brne 1f
/* At this point, "from" is word-aligned */
-2: sub r10, 4
- mov r9, r12
+2: mov r9, r12
+5: sub r10, 4
brlt 4f
3: ld.w r8, r11++
@@ -49,6 +49,7 @@ memcpy:
/* Handle unaligned "from" pointer */
1: sub r10, 4
+ movlt r9, r12
brlt 4b
add r10, r9
lsl r9, 2
@@ -59,4 +60,13 @@ memcpy:
st.b r12++, r8
ld.ub r8, r11++
st.b r12++, r8
- rjmp 2b
+ mov r8, r12
+ add pc, pc, r9
+ sub r8, 1
+ nop
+ sub r8, 1
+ nop
+ sub r8, 1
+ nop
+ mov r9, r8
+ rjmp 5b
diff --git a/arch/avr32/lib/strnlen_user.S b/arch/avr32/lib/strnlen_user.S
index 65ce11afa66..e46f4724962 100644
--- a/arch/avr32/lib/strnlen_user.S
+++ b/arch/avr32/lib/strnlen_user.S
@@ -48,7 +48,7 @@ adjust_length:
lddpc lr, _task_size
sub r11, lr, r12
mov r9, r11
- rcall __strnlen_user
+ call __strnlen_user
cp.w r12, r9
brgt 1f
popm pc
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