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xtensa: add asm-prototypes.h

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Move assembly source prototypes from xtensa_ksyms.c to
asm/asm-prototypes.h, move corresponding EXPORT_SYMBOLs to the assembly
sources and enable HAVE_ASM_MODVERSIONS for xtensa.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2023-05-11 13:53:08 -07:00
parent 74e25376b0
commit 338d915090
23 changed files with 60 additions and 91 deletions
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1
arch/xtensa/Kconfig
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@ -35,6 +35,7 @@ config XTENSA
select HAVE_ARCH_KCSAN
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select HAVE_ASM_MODVERSIONS
select HAVE_CONTEXT_TRACKING_USER
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_CONTIGUOUS

29
arch/xtensa/include/asm/asm-prototypes.h Normal file
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@ -0,0 +1,29 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_PROTOTYPES_H
#define __ASM_PROTOTYPES_H
#include <asm/cacheflush.h>
#include <asm/checksum.h>
#include <asm/ftrace.h>
#include <asm/page.h>
#include <asm/string.h>
#include <asm/uaccess.h>
#include <asm-generic/asm-prototypes.h>
/*
* gcc internal math functions
*/
long long __ashrdi3(long long, int);
long long __ashldi3(long long, int);
long long __bswapdi2(long long);
int __bswapsi2(int);
long long __lshrdi3(long long, int);
int __divsi3(int, int);
int __modsi3(int, int);
int __mulsi3(int, int);
unsigned int __udivsi3(unsigned int, unsigned int);
unsigned int __umodsi3(unsigned int, unsigned int);
unsigned long long __umulsidi3(unsigned int, unsigned int);
#endif /* __ASM_PROTOTYPES_H */

1
arch/xtensa/include/asm/asmmacro.h
View File

@ -11,6 +11,7 @@
#ifndef _XTENSA_ASMMACRO_H
#define _XTENSA_ASMMACRO_H
#include <asm-generic/export.h>
#include <asm/core.h>
/*

1
arch/xtensa/kernel/mcount.S
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@ -78,6 +78,7 @@ ENTRY(_mcount)
#error Unsupported Xtensa ABI
#endif
ENDPROC(_mcount)
EXPORT_SYMBOL(_mcount)
ENTRY(ftrace_stub)
abi_entry_default

92
arch/xtensa/kernel/xtensa_ksyms.c
View File

@ -13,71 +13,10 @@
*/
#include <linux/module.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <asm/irq.h>
#include <linux/in6.h>
#include <linux/uaccess.h>
#include <asm/cacheflush.h>
#include <asm/checksum.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/page.h>
#include <asm/ftrace.h>
#ifdef CONFIG_BLK_DEV_FD
#include <asm/floppy.h>
#endif
#ifdef CONFIG_NET
#include <net/checksum.h>
#endif /* CONFIG_NET */
/*
* String functions
*/
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(__memset);
EXPORT_SYMBOL(__memcpy);
EXPORT_SYMBOL(__memmove);
#ifdef CONFIG_ARCH_HAS_STRNCPY_FROM_USER
EXPORT_SYMBOL(__strncpy_user);
#endif
EXPORT_SYMBOL(clear_page);
EXPORT_SYMBOL(copy_page);
#include <asm/pgtable.h>
EXPORT_SYMBOL(empty_zero_page);
/*
* gcc internal math functions
*/
extern long long __ashrdi3(long long, int);
extern long long __ashldi3(long long, int);
extern long long __bswapdi2(long long);
extern int __bswapsi2(int);
extern long long __lshrdi3(long long, int);
extern int __divsi3(int, int);
extern int __modsi3(int, int);
extern int __mulsi3(int, int);
extern unsigned int __udivsi3(unsigned int, unsigned int);
extern unsigned int __umodsi3(unsigned int, unsigned int);
extern unsigned long long __umulsidi3(unsigned int, unsigned int);
EXPORT_SYMBOL(__ashldi3);
EXPORT_SYMBOL(__ashrdi3);
EXPORT_SYMBOL(__bswapdi2);
EXPORT_SYMBOL(__bswapsi2);
EXPORT_SYMBOL(__lshrdi3);
EXPORT_SYMBOL(__divsi3);
EXPORT_SYMBOL(__modsi3);
EXPORT_SYMBOL(__mulsi3);
EXPORT_SYMBOL(__udivsi3);
EXPORT_SYMBOL(__umodsi3);
EXPORT_SYMBOL(__umulsidi3);
unsigned int __sync_fetch_and_and_4(volatile void *p, unsigned int v)
{
BUG();
@ -89,32 +28,3 @@ unsigned int __sync_fetch_and_or_4(volatile void *p, unsigned int v)
BUG();
}
EXPORT_SYMBOL(__sync_fetch_and_or_4);
/*
* Networking support
*/
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_generic);
/*
* Architecture-specific symbols
*/
EXPORT_SYMBOL(__xtensa_copy_user);
EXPORT_SYMBOL(__invalidate_icache_range);
/*
* Kernel hacking ...
*/
#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
// FIXME EXPORT_SYMBOL(screen_info);
#endif
#ifdef CONFIG_FUNCTION_TRACER
EXPORT_SYMBOL(_mcount);
#endif
EXPORT_SYMBOL(__invalidate_dcache_range);
#if XCHAL_DCACHE_IS_WRITEBACK
EXPORT_SYMBOL(__flush_dcache_range);
#endif

1
arch/xtensa/lib/ashldi3.S
View File

@ -26,3 +26,4 @@ ENTRY(__ashldi3)
abi_ret_default
ENDPROC(__ashldi3)
EXPORT_SYMBOL(__ashldi3)

1
arch/xtensa/lib/ashrdi3.S
View File

@ -26,3 +26,4 @@ ENTRY(__ashrdi3)
abi_ret_default
ENDPROC(__ashrdi3)
EXPORT_SYMBOL(__ashrdi3)

1
arch/xtensa/lib/bswapdi2.S
View File

@ -19,3 +19,4 @@ ENTRY(__bswapdi2)
abi_ret_default
ENDPROC(__bswapdi2)
EXPORT_SYMBOL(__bswapdi2)

1
arch/xtensa/lib/bswapsi2.S
View File

@ -14,3 +14,4 @@ ENTRY(__bswapsi2)
abi_ret_default
ENDPROC(__bswapsi2)
EXPORT_SYMBOL(__bswapsi2)

2
arch/xtensa/lib/checksum.S
View File

@ -169,6 +169,7 @@ ENTRY(csum_partial)
j 5b /* branch to handle the remaining byte */
ENDPROC(csum_partial)
EXPORT_SYMBOL(csum_partial)
/*
* Copy from ds while checksumming, otherwise like csum_partial
@ -346,6 +347,7 @@ EX(10f) s8i a8, a3, 1
j 4b /* process the possible trailing odd byte */
ENDPROC(csum_partial_copy_generic)
EXPORT_SYMBOL(csum_partial_copy_generic)
# Exception handler:

1
arch/xtensa/lib/divsi3.S
View File

@ -72,3 +72,4 @@ ENTRY(__divsi3)
abi_ret_default
ENDPROC(__divsi3)
EXPORT_SYMBOL(__divsi3)

1
arch/xtensa/lib/lshrdi3.S
View File

@ -26,3 +26,4 @@ ENTRY(__lshrdi3)
abi_ret_default
ENDPROC(__lshrdi3)
EXPORT_SYMBOL(__lshrdi3)

4
arch/xtensa/lib/memcopy.S
View File

@ -273,6 +273,8 @@ WEAK(memcpy)
abi_ret_default
ENDPROC(__memcpy)
EXPORT_SYMBOL(__memcpy)
EXPORT_SYMBOL(memcpy)
/*
* void *memmove(void *dst, const void *src, size_t len);
@ -536,3 +538,5 @@ WEAK(memmove)
abi_ret_default
ENDPROC(__memmove)
EXPORT_SYMBOL(__memmove)
EXPORT_SYMBOL(memmove)

2
arch/xtensa/lib/memset.S
View File

@ -142,6 +142,8 @@ EX(10f) s8i a3, a5, 0
abi_ret_default
ENDPROC(__memset)
EXPORT_SYMBOL(__memset)
EXPORT_SYMBOL(memset)
.section .fixup, "ax"
.align 4

1
arch/xtensa/lib/modsi3.S
View File

@ -60,6 +60,7 @@ ENTRY(__modsi3)
abi_ret_default
ENDPROC(__modsi3)
EXPORT_SYMBOL(__modsi3)
#if !XCHAL_HAVE_NSA
.section .rodata

1
arch/xtensa/lib/mulsi3.S
View File

@ -131,3 +131,4 @@ ENTRY(__mulsi3)
abi_ret_default
ENDPROC(__mulsi3)
EXPORT_SYMBOL(__mulsi3)

1
arch/xtensa/lib/strncpy_user.S
View File

@ -201,6 +201,7 @@ EX(10f) s8i a9, a11, 0
abi_ret_default
ENDPROC(__strncpy_user)
EXPORT_SYMBOL(__strncpy_user)
.section .fixup, "ax"
.align 4

1
arch/xtensa/lib/strnlen_user.S
View File

@ -133,6 +133,7 @@ EX(10f) l32i a9, a4, 0 # get word with first two bytes of string
abi_ret_default
ENDPROC(__strnlen_user)
EXPORT_SYMBOL(__strnlen_user)
.section .fixup, "ax"
.align 4

1
arch/xtensa/lib/udivsi3.S
View File

@ -66,3 +66,4 @@ ENTRY(__udivsi3)
abi_ret_default
ENDPROC(__udivsi3)
EXPORT_SYMBOL(__udivsi3)

1
arch/xtensa/lib/umodsi3.S
View File

@ -55,3 +55,4 @@ ENTRY(__umodsi3)
abi_ret_default
ENDPROC(__umodsi3)
EXPORT_SYMBOL(__umodsi3)

1
arch/xtensa/lib/umulsidi3.S
View File

@ -228,3 +228,4 @@ ENTRY(__umulsidi3)
#endif /* XCHAL_NO_MUL */
ENDPROC(__umulsidi3)
EXPORT_SYMBOL(__umulsidi3)

1
arch/xtensa/lib/usercopy.S
View File

@ -283,6 +283,7 @@ EX(10f) s8i a6, a5, 0
abi_ret(STACK_SIZE)
ENDPROC(__xtensa_copy_user)
EXPORT_SYMBOL(__xtensa_copy_user)
.section .fixup, "ax"
.align 4

5
arch/xtensa/mm/misc.S
View File

@ -47,6 +47,7 @@ ENTRY(clear_page)
abi_ret_default
ENDPROC(clear_page)
EXPORT_SYMBOL(clear_page)
/*
* copy_page and copy_user_page are the same for non-cache-aliased configs.
@ -89,6 +90,7 @@ ENTRY(copy_page)
abi_ret_default
ENDPROC(copy_page)
EXPORT_SYMBOL(copy_page)
#ifdef CONFIG_MMU
/*
@ -367,6 +369,7 @@ ENTRY(__invalidate_icache_range)
abi_ret_default
ENDPROC(__invalidate_icache_range)
EXPORT_SYMBOL(__invalidate_icache_range)
/*
* void __flush_invalidate_dcache_range(ulong start, ulong size)
@ -397,6 +400,7 @@ ENTRY(__flush_dcache_range)
abi_ret_default
ENDPROC(__flush_dcache_range)
EXPORT_SYMBOL(__flush_dcache_range)
/*
* void _invalidate_dcache_range(ulong start, ulong size)
@ -411,6 +415,7 @@ ENTRY(__invalidate_dcache_range)
abi_ret_default
ENDPROC(__invalidate_dcache_range)
EXPORT_SYMBOL(__invalidate_dcache_range)
/*
* void _invalidate_icache_all(void)