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authorPaul Burton <paul.burton@imgtec.com>2016-11-07 11:14:15 +0000
committerRalf Baechle <ralf@linux-mips.org>2017-01-03 16:34:50 +0100
commit576a2f0c5c6d64648d2ba68a4edbbe61863e12e2 (patch)
tree1e43801d9b0d6e5ac15e70df5f47f65ff0c96d6d /arch/mips
parentd6cb671589757ec3d20e5e0886505cdad327b1b3 (diff)
downloadop-kernel-dev-576a2f0c5c6d64648d2ba68a4edbbe61863e12e2.zip
op-kernel-dev-576a2f0c5c6d64648d2ba68a4edbbe61863e12e2.tar.gz
MIPS: Export memcpy & memset functions alongside their definitions
Now that EXPORT_SYMBOL can be used from assembly source, move the EXPORT_SYMBOL invocations for the memcpy & memset functions & variants thereof to be alongside their definitions. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14514/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/cavium-octeon/octeon-memcpy.S5
-rw-r--r--arch/mips/kernel/mips_ksyms.c24
-rw-r--r--arch/mips/lib/memcpy.S9
-rw-r--r--arch/mips/lib/memset.S5
4 files changed, 19 insertions, 24 deletions
diff --git a/arch/mips/cavium-octeon/octeon-memcpy.S b/arch/mips/cavium-octeon/octeon-memcpy.S
index 64e08df..7d96d9c 100644
--- a/arch/mips/cavium-octeon/octeon-memcpy.S
+++ b/arch/mips/cavium-octeon/octeon-memcpy.S
@@ -15,6 +15,7 @@
#include <asm/asm.h>
#include <asm/asm-offsets.h>
+#include <asm/export.h>
#include <asm/regdef.h>
#define dst a0
@@ -142,6 +143,7 @@
* t7 is used as a flag to note inatomic mode.
*/
LEAF(__copy_user_inatomic)
+EXPORT_SYMBOL(__copy_user_inatomic)
b __copy_user_common
li t7, 1
END(__copy_user_inatomic)
@@ -154,9 +156,11 @@ LEAF(__copy_user_inatomic)
*/
.align 5
LEAF(memcpy) /* a0=dst a1=src a2=len */
+EXPORT_SYMBOL(memcpy)
move v0, dst /* return value */
__memcpy:
FEXPORT(__copy_user)
+EXPORT_SYMBOL(__copy_user)
li t7, 0 /* not inatomic */
__copy_user_common:
/*
@@ -459,6 +463,7 @@ s_exc:
.align 5
LEAF(memmove)
+EXPORT_SYMBOL(memmove)
ADD t0, a0, a2
ADD t1, a1, a2
sltu t0, a1, t0 # dst + len <= src -> memcpy
diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c
index a84f750..f01838f 100644
--- a/arch/mips/kernel/mips_ksyms.c
+++ b/arch/mips/kernel/mips_ksyms.c
@@ -17,32 +17,8 @@
#include <asm/fpu.h>
#include <asm/msa.h>
-extern void *__bzero_kernel(void *__s, size_t __count);
-extern void *__bzero(void *__s, size_t __count);
-
-/*
- * String functions
- */
-EXPORT_SYMBOL(memset);
-EXPORT_SYMBOL(memcpy);
-EXPORT_SYMBOL(memmove);
-
/*
* Functions that operate on entire pages. Mostly used by memory management.
*/
EXPORT_SYMBOL(clear_page);
EXPORT_SYMBOL(copy_page);
-
-/*
- * Userspace access stuff.
- */
-EXPORT_SYMBOL(__copy_user);
-EXPORT_SYMBOL(__copy_user_inatomic);
-#ifdef CONFIG_EVA
-EXPORT_SYMBOL(__copy_from_user_eva);
-EXPORT_SYMBOL(__copy_in_user_eva);
-EXPORT_SYMBOL(__copy_to_user_eva);
-EXPORT_SYMBOL(__copy_user_inatomic_eva);
-EXPORT_SYMBOL(__bzero_kernel);
-#endif
-EXPORT_SYMBOL(__bzero);
diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S
index 6c303a9..c3031f1 100644
--- a/arch/mips/lib/memcpy.S
+++ b/arch/mips/lib/memcpy.S
@@ -31,6 +31,7 @@
#include <asm/asm.h>
#include <asm/asm-offsets.h>
+#include <asm/export.h>
#include <asm/regdef.h>
#define dst a0
@@ -622,6 +623,7 @@ SEXC(1)
.align 5
LEAF(memmove)
+EXPORT_SYMBOL(memmove)
ADD t0, a0, a2
ADD t1, a1, a2
sltu t0, a1, t0 # dst + len <= src -> memcpy
@@ -674,6 +676,7 @@ LEAF(__rmemcpy) /* a0=dst a1=src a2=len */
* t6 is used as a flag to note inatomic mode.
*/
LEAF(__copy_user_inatomic)
+EXPORT_SYMBOL(__copy_user_inatomic)
b __copy_user_common
li t6, 1
END(__copy_user_inatomic)
@@ -686,9 +689,11 @@ LEAF(__copy_user_inatomic)
*/
.align 5
LEAF(memcpy) /* a0=dst a1=src a2=len */
+EXPORT_SYMBOL(memcpy)
move v0, dst /* return value */
.L__memcpy:
FEXPORT(__copy_user)
+EXPORT_SYMBOL(__copy_user)
li t6, 0 /* not inatomic */
__copy_user_common:
/* Legacy Mode, user <-> user */
@@ -704,6 +709,7 @@ __copy_user_common:
*/
LEAF(__copy_user_inatomic_eva)
+EXPORT_SYMBOL(__copy_user_inatomic_eva)
b __copy_from_user_common
li t6, 1
END(__copy_user_inatomic_eva)
@@ -713,6 +719,7 @@ LEAF(__copy_user_inatomic_eva)
*/
LEAF(__copy_from_user_eva)
+EXPORT_SYMBOL(__copy_from_user_eva)
li t6, 0 /* not inatomic */
__copy_from_user_common:
__BUILD_COPY_USER EVA_MODE USEROP KERNELOP
@@ -725,6 +732,7 @@ END(__copy_from_user_eva)
*/
LEAF(__copy_to_user_eva)
+EXPORT_SYMBOL(__copy_to_user_eva)
__BUILD_COPY_USER EVA_MODE KERNELOP USEROP
END(__copy_to_user_eva)
@@ -733,6 +741,7 @@ END(__copy_to_user_eva)
*/
LEAF(__copy_in_user_eva)
+EXPORT_SYMBOL(__copy_in_user_eva)
__BUILD_COPY_USER EVA_MODE USEROP USEROP
END(__copy_in_user_eva)
diff --git a/arch/mips/lib/memset.S b/arch/mips/lib/memset.S
index 18a1ccd..a145666 100644
--- a/arch/mips/lib/memset.S
+++ b/arch/mips/lib/memset.S
@@ -10,6 +10,7 @@
*/
#include <asm/asm.h>
#include <asm/asm-offsets.h>
+#include <asm/export.h>
#include <asm/regdef.h>
#if LONGSIZE == 4
@@ -270,6 +271,7 @@
*/
LEAF(memset)
+EXPORT_SYMBOL(memset)
beqz a1, 1f
move v0, a0 /* result */
@@ -285,13 +287,16 @@ LEAF(memset)
1:
#ifndef CONFIG_EVA
FEXPORT(__bzero)
+EXPORT_SYMBOL(__bzero)
#else
FEXPORT(__bzero_kernel)
+EXPORT_SYMBOL(__bzero_kernel)
#endif
__BUILD_BZERO LEGACY_MODE
#ifdef CONFIG_EVA
LEAF(__bzero)
+EXPORT_SYMBOL(__bzero)
__BUILD_BZERO EVA_MODE
END(__bzero)
#endif
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