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-rw-r--r--arch/xtensa/lib/Makefile2
-rw-r--r--arch/xtensa/lib/checksum.S18
-rw-r--r--arch/xtensa/lib/memcopy.S317
-rw-r--r--arch/xtensa/lib/memset.S2
-rw-r--r--arch/xtensa/lib/pci-auto.c11
-rw-r--r--arch/xtensa/lib/strcasecmp.c32
-rw-r--r--arch/xtensa/lib/strncpy_user.S39
-rw-r--r--arch/xtensa/lib/strnlen_user.S36
-rw-r--r--arch/xtensa/lib/usercopy.S7
9 files changed, 345 insertions, 119 deletions
diff --git a/arch/xtensa/lib/Makefile b/arch/xtensa/lib/Makefile
index ed935b58e8a..6c4fdd86acd 100644
--- a/arch/xtensa/lib/Makefile
+++ b/arch/xtensa/lib/Makefile
@@ -2,6 +2,6 @@
# Makefile for Xtensa-specific library files.
#
-lib-y += memcopy.o memset.o checksum.o strcasecmp.o \
+lib-y += memcopy.o memset.o checksum.o \
usercopy.o strncpy_user.o strnlen_user.o
lib-$(CONFIG_PCI) += pci-auto.o
diff --git a/arch/xtensa/lib/checksum.S b/arch/xtensa/lib/checksum.S
index e2d64dfd530..4eb573d2720 100644
--- a/arch/xtensa/lib/checksum.S
+++ b/arch/xtensa/lib/checksum.S
@@ -16,8 +16,7 @@
#include <asm/errno.h>
#include <linux/linkage.h>
-#define _ASMLANGUAGE
-#include <xtensa/config/core.h>
+#include <variant/core.h>
/*
* computes a partial checksum, e.g. for TCP/UDP fragments
@@ -42,10 +41,11 @@
.text
ENTRY(csum_partial)
- /*
- * Experiments with Ethernet and SLIP connections show that buf
- * is aligned on either a 2-byte or 4-byte boundary.
- */
+
+ /*
+ * Experiments with Ethernet and SLIP connections show that buf
+ * is aligned on either a 2-byte or 4-byte boundary.
+ */
entry sp, 32
extui a5, a2, 0, 2
bnez a5, 8f /* branch if 2-byte aligned */
@@ -171,7 +171,7 @@ ENTRY(csum_partial)
3:
j 5b /* branch to handle the remaining byte */
-
+ENDPROC(csum_partial)
/*
* Copy from ds while checksumming, otherwise like csum_partial
@@ -212,6 +212,7 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst, int len,
*/
ENTRY(csum_partial_copy_generic)
+
entry sp, 32
mov a12, a3
mov a11, a4
@@ -368,6 +369,8 @@ DST( s8i a8, a3, 1 )
6:
j 4b /* process the possible trailing odd byte */
+ENDPROC(csum_partial_copy_generic)
+
# Exception handler:
.section .fixup, "ax"
@@ -407,4 +410,3 @@ DST( s8i a8, a3, 1 )
retw
.previous
-
diff --git a/arch/xtensa/lib/memcopy.S b/arch/xtensa/lib/memcopy.S
index e8f6d7eb722..b1c219acabe 100644
--- a/arch/xtensa/lib/memcopy.S
+++ b/arch/xtensa/lib/memcopy.S
@@ -6,10 +6,10 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2002 - 2005 Tensilica Inc.
+ * Copyright (C) 2002 - 2012 Tensilica Inc.
*/
-#include <xtensa/coreasm.h>
+#include <variant/core.h>
.macro src_b r, w0, w1
#ifdef __XTENSA_EB__
@@ -27,14 +27,11 @@
#endif
.endm
-
/*
* void *memcpy(void *dst, const void *src, size_t len);
- * void *memmove(void *dst, const void *src, size_t len);
- * void *bcopy(const void *src, void *dst, size_t len);
*
* This function is intended to do the same thing as the standard
- * library function memcpy() (or bcopy()) for most cases.
+ * library function memcpy() for most cases.
* However, where the source and/or destination references
* an instruction RAM or ROM or a data RAM or ROM, that
* source and/or destination will always be accessed with
@@ -45,9 +42,6 @@
* !!!!!!! Handling of IRAM/IROM has not yet
* !!!!!!! been implemented.
*
- * The bcopy version is provided here to avoid the overhead
- * of an extra call, for callers that require this convention.
- *
* The (general case) algorithm is as follows:
* If destination is unaligned, align it by conditionally
* copying 1 and 2 bytes.
@@ -76,17 +70,6 @@
*/
.text
- .align 4
- .global bcopy
- .type bcopy,@function
-bcopy:
- entry sp, 16 # minimal stack frame
- # a2=src, a3=dst, a4=len
- mov a5, a3 # copy dst so that a2 is return value
- mov a3, a2
- mov a2, a5
- j .Lcommon # go to common code for memcpy+bcopy
-
/*
* Byte by byte copy
@@ -107,7 +90,7 @@ bcopy:
s8i a6, a5, 0
addi a5, a5, 1
#if !XCHAL_HAVE_LOOPS
- blt a3, a7, .Lnextbyte
+ bne a3, a7, .Lnextbyte # continue loop if $a3:src != $a7:src_end
#endif /* !XCHAL_HAVE_LOOPS */
.Lbytecopydone:
retw
@@ -144,9 +127,6 @@ bcopy:
.global memcpy
.type memcpy,@function
memcpy:
- .global memmove
- .type memmove,@function
-memmove:
entry sp, 16 # minimal stack frame
# a2/ dst, a3/ src, a4/ len
@@ -182,7 +162,7 @@ memmove:
s32i a7, a5, 12
addi a5, a5, 16
#if !XCHAL_HAVE_LOOPS
- blt a3, a8, .Loop1
+ bne a3, a8, .Loop1 # continue loop if a3:src != a8:src_end
#endif /* !XCHAL_HAVE_LOOPS */
.Loop1done:
bbci.l a4, 3, .L2
@@ -230,8 +210,10 @@ memmove:
_beqz a4, .Ldone # avoid loading anything for zero-length copies
# copy 16 bytes per iteration for word-aligned dst and unaligned src
ssa8 a3 # set shift amount from byte offset
-#define SIM_CHECKS_ALIGNMENT 1 /* set to 1 when running on ISS (simulator) with the
- lint or ferret client, or 0 to save a few cycles */
+
+/* set to 1 when running on ISS (simulator) with the
+ lint or ferret client, or 0 to save a few cycles */
+#define SIM_CHECKS_ALIGNMENT 1
#if XCHAL_UNALIGNED_LOAD_EXCEPTION || SIM_CHECKS_ALIGNMENT
and a11, a3, a8 # save unalignment offset for below
sub a3, a3, a11 # align a3
@@ -260,7 +242,7 @@ memmove:
s32i a9, a5, 12
addi a5, a5, 16
#if !XCHAL_HAVE_LOOPS
- blt a3, a10, .Loop2
+ bne a3, a10, .Loop2 # continue loop if a3:src != a10:src_end
#endif /* !XCHAL_HAVE_LOOPS */
.Loop2done:
bbci.l a4, 3, .L12
@@ -305,6 +287,285 @@ memmove:
l8ui a6, a3, 0
s8i a6, a5, 0
retw
+
+
+/*
+ * void bcopy(const void *src, void *dest, size_t n);
+ */
+ .align 4
+ .global bcopy
+ .type bcopy,@function
+bcopy:
+ entry sp, 16 # minimal stack frame
+ # a2=src, a3=dst, a4=len
+ mov a5, a3
+ mov a3, a2
+ mov a2, a5
+ j .Lmovecommon # go to common code for memmove+bcopy
+
+/*
+ * void *memmove(void *dst, const void *src, size_t len);
+ *
+ * This function is intended to do the same thing as the standard
+ * library function memmove() for most cases.
+ * However, where the source and/or destination references
+ * an instruction RAM or ROM or a data RAM or ROM, that
+ * source and/or destination will always be accessed with
+ * 32-bit load and store instructions (as required for these
+ * types of devices).
+ *
+ * !!!!!!! XTFIXME:
+ * !!!!!!! Handling of IRAM/IROM has not yet
+ * !!!!!!! been implemented.
+ *
+ * The (general case) algorithm is as follows:
+ * If end of source doesn't overlap destination then use memcpy.
+ * Otherwise do memcpy backwards.
+ *
+ * Register use:
+ * a0/ return address
+ * a1/ stack pointer
+ * a2/ return value
+ * a3/ src
+ * a4/ length
+ * a5/ dst
+ * a6/ tmp
+ * a7/ tmp
+ * a8/ tmp
+ * a9/ tmp
+ * a10/ tmp
+ * a11/ tmp
+ */
+
+/*
+ * Byte by byte copy
+ */
+ .align 4
+ .byte 0 # 1 mod 4 alignment for LOOPNEZ
+ # (0 mod 4 alignment for LBEG)
+.Lbackbytecopy:
+#if XCHAL_HAVE_LOOPS
+ loopnez a4, .Lbackbytecopydone
+#else /* !XCHAL_HAVE_LOOPS */
+ beqz a4, .Lbackbytecopydone
+ sub a7, a3, a4 # a7 = start address for source
+#endif /* !XCHAL_HAVE_LOOPS */
+.Lbacknextbyte:
+ addi a3, a3, -1
+ l8ui a6, a3, 0
+ addi a5, a5, -1
+ s8i a6, a5, 0
+#if !XCHAL_HAVE_LOOPS
+ bne a3, a7, .Lbacknextbyte # continue loop if
+ # $a3:src != $a7:src_start
+#endif /* !XCHAL_HAVE_LOOPS */
+.Lbackbytecopydone:
+ retw
+
+/*
+ * Destination is unaligned
+ */
+
+ .align 4
+.Lbackdst1mod2: # dst is only byte aligned
+ _bltui a4, 7, .Lbackbytecopy # do short copies byte by byte
+
+ # copy 1 byte
+ addi a3, a3, -1
+ l8ui a6, a3, 0
+ addi a5, a5, -1
+ s8i a6, a5, 0
+ addi a4, a4, -1
+ _bbci.l a5, 1, .Lbackdstaligned # if dst is now aligned, then
+ # return to main algorithm
+.Lbackdst2mod4: # dst 16-bit aligned
+ # copy 2 bytes
+ _bltui a4, 6, .Lbackbytecopy # do short copies byte by byte
+ addi a3, a3, -2
+ l8ui a6, a3, 0
+ l8ui a7, a3, 1
+ addi a5, a5, -2
+ s8i a6, a5, 0
+ s8i a7, a5, 1
+ addi a4, a4, -2
+ j .Lbackdstaligned # dst is now aligned,
+ # return to main algorithm
+
+ .align 4
+ .global memmove
+ .type memmove,@function
+memmove:
+
+ entry sp, 16 # minimal stack frame
+ # a2/ dst, a3/ src, a4/ len
+ mov a5, a2 # copy dst so that a2 is return value
+.Lmovecommon:
+ sub a6, a5, a3
+ bgeu a6, a4, .Lcommon
+
+ add a5, a5, a4
+ add a3, a3, a4
+
+ _bbsi.l a5, 0, .Lbackdst1mod2 # if dst is 1 mod 2
+ _bbsi.l a5, 1, .Lbackdst2mod4 # if dst is 2 mod 4
+.Lbackdstaligned: # return here from .Lbackdst?mod? once dst is aligned
+ srli a7, a4, 4 # number of loop iterations with 16B
+ # per iteration
+ movi a8, 3 # if source is not aligned,
+ _bany a3, a8, .Lbacksrcunaligned # then use shifting copy
+ /*
+ * Destination and source are word-aligned, use word copy.
+ */
+ # copy 16 bytes per iteration for word-aligned dst and word-aligned src
+#if XCHAL_HAVE_LOOPS
+ loopnez a7, .backLoop1done
+#else /* !XCHAL_HAVE_LOOPS */
+ beqz a7, .backLoop1done
+ slli a8, a7, 4
+ sub a8, a3, a8 # a8 = start of first 16B source chunk
+#endif /* !XCHAL_HAVE_LOOPS */
+.backLoop1:
+ addi a3, a3, -16
+ l32i a7, a3, 12
+ l32i a6, a3, 8
+ addi a5, a5, -16
+ s32i a7, a5, 12
+ l32i a7, a3, 4
+ s32i a6, a5, 8
+ l32i a6, a3, 0
+ s32i a7, a5, 4
+ s32i a6, a5, 0
+#if !XCHAL_HAVE_LOOPS
+ bne a3, a8, .backLoop1 # continue loop if a3:src != a8:src_start
+#endif /* !XCHAL_HAVE_LOOPS */
+.backLoop1done:
+ bbci.l a4, 3, .Lback2
+ # copy 8 bytes
+ addi a3, a3, -8
+ l32i a6, a3, 0
+ l32i a7, a3, 4
+ addi a5, a5, -8
+ s32i a6, a5, 0
+ s32i a7, a5, 4
+.Lback2:
+ bbsi.l a4, 2, .Lback3
+ bbsi.l a4, 1, .Lback4
+ bbsi.l a4, 0, .Lback5
+ retw
+.Lback3:
+ # copy 4 bytes
+ addi a3, a3, -4
+ l32i a6, a3, 0
+ addi a5, a5, -4
+ s32i a6, a5, 0
+ bbsi.l a4, 1, .Lback4
+ bbsi.l a4, 0, .Lback5
+ retw
+.Lback4:
+ # copy 2 bytes
+ addi a3, a3, -2
+ l16ui a6, a3, 0
+ addi a5, a5, -2
+ s16i a6, a5, 0
+ bbsi.l a4, 0, .Lback5
+ retw
+.Lback5:
+ # copy 1 byte
+ addi a3, a3, -1
+ l8ui a6, a3, 0
+ addi a5, a5, -1
+ s8i a6, a5, 0
+ retw
+
+/*
+ * Destination is aligned, Source is unaligned
+ */
+
+ .align 4
+.Lbacksrcunaligned:
+ _beqz a4, .Lbackdone # avoid loading anything for zero-length copies
+ # copy 16 bytes per iteration for word-aligned dst and unaligned src
+ ssa8 a3 # set shift amount from byte offset
+#define SIM_CHECKS_ALIGNMENT 1 /* set to 1 when running on ISS with
+ * the lint or ferret client, or 0
+ * to save a few cycles */
+#if XCHAL_UNALIGNED_LOAD_EXCEPTION || SIM_CHECKS_ALIGNMENT
+ and a11, a3, a8 # save unalignment offset for below
+ sub a3, a3, a11 # align a3
+#endif
+ l32i a6, a3, 0 # load first word
+#if XCHAL_HAVE_LOOPS
+ loopnez a7, .backLoop2done
+#else /* !XCHAL_HAVE_LOOPS */
+ beqz a7, .backLoop2done
+ slli a10, a7, 4
+ sub a10, a3, a10 # a10 = start of first 16B source chunk
+#endif /* !XCHAL_HAVE_LOOPS */
+.backLoop2:
+ addi a3, a3, -16
+ l32i a7, a3, 12
+ l32i a8, a3, 8
+ addi a5, a5, -16
+ src_b a6, a7, a6
+ s32i a6, a5, 12
+ l32i a9, a3, 4
+ src_b a7, a8, a7
+ s32i a7, a5, 8
+ l32i a6, a3, 0
+ src_b a8, a9, a8
+ s32i a8, a5, 4
+ src_b a9, a6, a9
+ s32i a9, a5, 0
+#if !XCHAL_HAVE_LOOPS
+ bne a3, a10, .backLoop2 # continue loop if a3:src != a10:src_start
+#endif /* !XCHAL_HAVE_LOOPS */
+.backLoop2done:
+ bbci.l a4, 3, .Lback12
+ # copy 8 bytes
+ addi a3, a3, -8
+ l32i a7, a3, 4
+ l32i a8, a3, 0
+ addi a5, a5, -8
+ src_b a6, a7, a6
+ s32i a6, a5, 4
+ src_b a7, a8, a7
+ s32i a7, a5, 0
+ mov a6, a8
+.Lback12:
+ bbci.l a4, 2, .Lback13
+ # copy 4 bytes
+ addi a3, a3, -4
+ l32i a7, a3, 0
+ addi a5, a5, -4
+ src_b a6, a7, a6
+ s32i a6, a5, 0
+ mov a6, a7
+.Lback13:
+#if XCHAL_UNALIGNED_LOAD_EXCEPTION || SIM_CHECKS_ALIGNMENT
+ add a3, a3, a11 # readjust a3 with correct misalignment
+#endif
+ bbsi.l a4, 1, .Lback14
+ bbsi.l a4, 0, .Lback15
+.Lbackdone:
+ retw
+.Lback14:
+ # copy 2 bytes
+ addi a3, a3, -2
+ l8ui a6, a3, 0
+ l8ui a7, a3, 1
+ addi a5, a5, -2
+ s8i a6, a5, 0
+ s8i a7, a5, 1
+ bbsi.l a4, 0, .Lback15
+ retw
+.Lback15:
+ # copy 1 byte
+ addi a3, a3, -1
+ addi a5, a5, -1
+ l8ui a6, a3, 0
+ s8i a6, a5, 0
+ retw
+
/*
* Local Variables:
diff --git a/arch/xtensa/lib/memset.S b/arch/xtensa/lib/memset.S
index 4de25134bc6..10b8c400f17 100644
--- a/arch/xtensa/lib/memset.S
+++ b/arch/xtensa/lib/memset.S
@@ -11,7 +11,7 @@
* Copyright (C) 2002 Tensilica Inc.
*/
-#include <xtensa/coreasm.h>
+#include <variant/core.h>
/*
* void *memset(void *dst, int c, size_t length)
diff --git a/arch/xtensa/lib/pci-auto.c b/arch/xtensa/lib/pci-auto.c
index 90c790f6123..34d05abbd92 100644
--- a/arch/xtensa/lib/pci-auto.c
+++ b/arch/xtensa/lib/pci-auto.c
@@ -1,5 +1,5 @@
/*
- * arch/xtensa/kernel/pci-auto.c
+ * arch/xtensa/lib/pci-auto.c
*
* PCI autoconfiguration library
*
@@ -241,8 +241,8 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus)
unsigned char header_type;
struct pci_dev *dev = &pciauto_dev;
- pciauto_dev.bus = &pciauto_bus;
- pciauto_dev.sysdata = pci_ctrl;
+ pciauto_dev.bus = &pciauto_bus;
+ pciauto_dev.sysdata = pci_ctrl;
pciauto_bus.ops = pci_ctrl->ops;
/*
@@ -345,8 +345,3 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus)
}
return sub_bus;
}
-
-
-
-
-
diff --git a/arch/xtensa/lib/strcasecmp.c b/arch/xtensa/lib/strcasecmp.c
deleted file mode 100644
index 165b2d6effa..00000000000
--- a/arch/xtensa/lib/strcasecmp.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * linux/arch/xtensa/lib/strcasecmp.c
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file "COPYING" in the main directory of
- * this archive for more details.
- *
- * Copyright (C) 2002 Tensilica Inc.
- */
-
-#include <linux/string.h>
-
-
-/* We handle nothing here except the C locale. Since this is used in
- only one place, on strings known to contain only 7 bit ASCII, this
- is ok. */
-
-int strcasecmp(const char *a, const char *b)
-{
- int ca, cb;
-
- do {
- ca = *a++ & 0xff;
- cb = *b++ & 0xff;
- if (ca >= 'A' && ca <= 'Z')
- ca += 'a' - 'A';
- if (cb >= 'A' && cb <= 'Z')
- cb += 'a' - 'A';
- } while (ca == cb && ca != '\0');
-
- return ca - cb;
-}
diff --git a/arch/xtensa/lib/strncpy_user.S b/arch/xtensa/lib/strncpy_user.S
index 71d55df4389..1ad0ecf4536 100644
--- a/arch/xtensa/lib/strncpy_user.S
+++ b/arch/xtensa/lib/strncpy_user.S
@@ -11,7 +11,7 @@
* Copyright (C) 2002 Tensilica Inc.
*/
-#include <xtensa/coreasm.h>
+#include <variant/core.h>
#include <linux/errno.h>
/* Load or store instructions that may cause exceptions use the EX macro. */
@@ -25,18 +25,18 @@
/*
* char *__strncpy_user(char *dst, const char *src, size_t len)
*/
-.text
-.begin literal
-.align 4
-.Lmask0:
- .byte 0xff, 0x00, 0x00, 0x00
-.Lmask1:
- .byte 0x00, 0xff, 0x00, 0x00
-.Lmask2:
- .byte 0x00, 0x00, 0xff, 0x00
-.Lmask3:
- .byte 0x00, 0x00, 0x00, 0xff
-.end literal
+
+#ifdef __XTENSA_EB__
+# define MASK0 0xff000000
+# define MASK1 0x00ff0000
+# define MASK2 0x0000ff00
+# define MASK3 0x000000ff
+#else
+# define MASK0 0x000000ff
+# define MASK1 0x0000ff00
+# define MASK2 0x00ff0000
+# define MASK3 0xff000000
+#endif
# Register use
# a0/ return address
@@ -53,6 +53,7 @@
# a11/ dst
# a12/ tmp
+.text
.align 4
.global __strncpy_user
.type __strncpy_user,@function
@@ -61,10 +62,10 @@ __strncpy_user:
# a2/ dst, a3/ src, a4/ len
mov a11, a2 # leave dst in return value register
beqz a4, .Lret # if len is zero
- l32r a5, .Lmask0 # mask for byte 0
- l32r a6, .Lmask1 # mask for byte 1
- l32r a7, .Lmask2 # mask for byte 2
- l32r a8, .Lmask3 # mask for byte 3
+ movi a5, MASK0 # mask for byte 0
+ movi a6, MASK1 # mask for byte 1
+ movi a7, MASK2 # mask for byte 2
+ movi a8, MASK3 # mask for byte 3
bbsi.l a3, 0, .Lsrc1mod2 # if only 8-bit aligned
bbsi.l a3, 1, .Lsrc2mod4 # if only 16-bit aligned
.Lsrcaligned: # return here when src is word-aligned
@@ -165,7 +166,7 @@ __strncpy_user:
retw
.Lz1: # byte 1 is zero
#ifdef __XTENSA_EB__
- extui a9, a9, 16, 16
+ extui a9, a9, 16, 16
#endif /* __XTENSA_EB__ */
EX(s16i, a9, a11, 0, fixup_s)
addi a11, a11, 1 # advance dst pointer
@@ -173,7 +174,7 @@ __strncpy_user:
retw
.Lz2: # byte 2 is zero
#ifdef __XTENSA_EB__
- extui a9, a9, 16, 16
+ extui a9, a9, 16, 16
#endif /* __XTENSA_EB__ */
EX(s16i, a9, a11, 0, fixup_s)
movi a9, 0
diff --git a/arch/xtensa/lib/strnlen_user.S b/arch/xtensa/lib/strnlen_user.S
index cdff4d670f3..4c03b1e581e 100644
--- a/arch/xtensa/lib/strnlen_user.S
+++ b/arch/xtensa/lib/strnlen_user.S
@@ -11,7 +11,7 @@
* Copyright (C) 2002 Tensilica Inc.
*/
-#include <xtensa/coreasm.h>
+#include <variant/core.h>
/* Load or store instructions that may cause exceptions use the EX macro. */
@@ -24,18 +24,18 @@
/*
* size_t __strnlen_user(const char *s, size_t len)
*/
-.text
-.begin literal
-.align 4
-.Lmask0:
- .byte 0xff, 0x00, 0x00, 0x00
-.Lmask1:
- .byte 0x00, 0xff, 0x00, 0x00
-.Lmask2:
- .byte 0x00, 0x00, 0xff, 0x00
-.Lmask3:
- .byte 0x00, 0x00, 0x00, 0xff
-.end literal
+
+#ifdef __XTENSA_EB__
+# define MASK0 0xff000000
+# define MASK1 0x00ff0000
+# define MASK2 0x0000ff00
+# define MASK3 0x000000ff
+#else
+# define MASK0 0x000000ff
+# define MASK1 0x0000ff00
+# define MASK2 0x00ff0000
+# define MASK3 0xff000000
+#endif
# Register use:
# a2/ src
@@ -48,6 +48,7 @@
# a9/ tmp
# a10/ tmp
+.text
.align 4
.global __strnlen_user
.type __strnlen_user,@function
@@ -56,10 +57,10 @@ __strnlen_user:
# a2/ s, a3/ len
addi a4, a2, -4 # because we overincrement at the end;
# we compensate with load offsets of 4
- l32r a5, .Lmask0 # mask for byte 0
- l32r a6, .Lmask1 # mask for byte 1
- l32r a7, .Lmask2 # mask for byte 2
- l32r a8, .Lmask3 # mask for byte 3
+ movi a5, MASK0 # mask for byte 0
+ movi a6, MASK1 # mask for byte 1
+ movi a7, MASK2 # mask for byte 2
+ movi a8, MASK3 # mask for byte 3
bbsi.l a2, 0, .L1mod2 # if only 8-bit aligned
bbsi.l a2, 1, .L2mod4 # if only 16-bit aligned
@@ -144,4 +145,3 @@ __strnlen_user:
lenfixup:
movi a2, 0
retw
-
diff --git a/arch/xtensa/lib/usercopy.S b/arch/xtensa/lib/usercopy.S
index 265db2693cb..ace1892a875 100644
--- a/arch/xtensa/lib/usercopy.S
+++ b/arch/xtensa/lib/usercopy.S
@@ -5,10 +5,10 @@
*
* DO NOT COMBINE this function with <arch/xtensa/lib/hal/memcopy.S>.
* It needs to remain separate and distinct. The hal files are part
- * of the the Xtensa link-time HAL, and those files may differ per
+ * of the Xtensa link-time HAL, and those files may differ per
* processor configuration. Patching the kernel for another
* processor configuration includes replacing the hal files, and we
- * could loose the special functionality for accessing user-space
+ * could lose the special functionality for accessing user-space
* memory during such a patch. We sacrifice a little code space here
* in favor to simplify code maintenance.
*
@@ -53,7 +53,7 @@
* a11/ original length
*/
-#include <xtensa/coreasm.h>
+#include <variant/core.h>
#ifdef __XTENSA_EB__
#define ALIGN(R, W0, W1) src R, W0, W1
@@ -318,4 +318,3 @@ l_fixup:
/* Ignore memset return value in a6. */
/* a2 still contains bytes not copied. */
retw
-