import io-{read,write}s{b,w} functions from linux
This patch imports: - io-readsb, - io-readsw, - io-writesb, - io-writesw, from linux Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde
parent
983630ef2b
commit
5482395b9e
|
|
@ -1,4 +1,5 @@
|
|||
obj-$(CONFIG_CMD_BOOTM) += armlinux.o
|
||||
|
||||
obj-y += _ashldi3.o
|
||||
obj-y += _ashrdi3.o
|
||||
obj-y += cache.o
|
||||
|
|
@ -10,6 +11,11 @@ obj-y += _umodsi3.o
|
|||
obj-y += _lshrdi3.o
|
||||
obj-y += findbit.o
|
||||
obj-y += arm.o
|
||||
obj-y += io-readsb.o
|
||||
obj-y += io-readsw-armv4.o
|
||||
obj-y += io-writesb.o
|
||||
obj-y += io-writesw-armv4.o
|
||||
|
||||
obj-$(CONFIG_MODULES) += module.o
|
||||
extra-$(CONFIG_GENERIC_LINKER_SCRIPT) += u-boot.lds
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,123 @@
|
|||
/*
|
||||
* linux/arch/arm/lib/io-readsb.S
|
||||
*
|
||||
* Copyright (C) 1995-2000 Russell King
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
#include <linux/linkage.h>
|
||||
#include <asm/assembler.h>
|
||||
|
||||
.Linsb_align: rsb ip, ip, #4
|
||||
cmp ip, r2
|
||||
movgt ip, r2
|
||||
cmp ip, #2
|
||||
ldrb r3, [r0]
|
||||
strb r3, [r1], #1
|
||||
ldrgeb r3, [r0]
|
||||
strgeb r3, [r1], #1
|
||||
ldrgtb r3, [r0]
|
||||
strgtb r3, [r1], #1
|
||||
subs r2, r2, ip
|
||||
bne .Linsb_aligned
|
||||
|
||||
ENTRY(__raw_readsb)
|
||||
teq r2, #0 @ do we have to check for the zero len?
|
||||
moveq pc, lr
|
||||
ands ip, r1, #3
|
||||
bne .Linsb_align
|
||||
|
||||
.Linsb_aligned: stmfd sp!, {r4 - r6, lr}
|
||||
|
||||
subs r2, r2, #16
|
||||
bmi .Linsb_no_16
|
||||
|
||||
.Linsb_16_lp: ldrb r3, [r0]
|
||||
ldrb r4, [r0]
|
||||
ldrb r5, [r0]
|
||||
mov r3, r3, put_byte_0
|
||||
ldrb r6, [r0]
|
||||
orr r3, r3, r4, put_byte_1
|
||||
ldrb r4, [r0]
|
||||
orr r3, r3, r5, put_byte_2
|
||||
ldrb r5, [r0]
|
||||
orr r3, r3, r6, put_byte_3
|
||||
ldrb r6, [r0]
|
||||
mov r4, r4, put_byte_0
|
||||
ldrb ip, [r0]
|
||||
orr r4, r4, r5, put_byte_1
|
||||
ldrb r5, [r0]
|
||||
orr r4, r4, r6, put_byte_2
|
||||
ldrb r6, [r0]
|
||||
orr r4, r4, ip, put_byte_3
|
||||
ldrb ip, [r0]
|
||||
mov r5, r5, put_byte_0
|
||||
ldrb lr, [r0]
|
||||
orr r5, r5, r6, put_byte_1
|
||||
ldrb r6, [r0]
|
||||
orr r5, r5, ip, put_byte_2
|
||||
ldrb ip, [r0]
|
||||
orr r5, r5, lr, put_byte_3
|
||||
ldrb lr, [r0]
|
||||
mov r6, r6, put_byte_0
|
||||
orr r6, r6, ip, put_byte_1
|
||||
ldrb ip, [r0]
|
||||
orr r6, r6, lr, put_byte_2
|
||||
orr r6, r6, ip, put_byte_3
|
||||
stmia r1!, {r3 - r6}
|
||||
|
||||
subs r2, r2, #16
|
||||
bpl .Linsb_16_lp
|
||||
|
||||
tst r2, #15
|
||||
ldmeqfd sp!, {r4 - r6, pc}
|
||||
|
||||
.Linsb_no_16: tst r2, #8
|
||||
beq .Linsb_no_8
|
||||
|
||||
ldrb r3, [r0]
|
||||
ldrb r4, [r0]
|
||||
ldrb r5, [r0]
|
||||
mov r3, r3, put_byte_0
|
||||
ldrb r6, [r0]
|
||||
orr r3, r3, r4, put_byte_1
|
||||
ldrb r4, [r0]
|
||||
orr r3, r3, r5, put_byte_2
|
||||
ldrb r5, [r0]
|
||||
orr r3, r3, r6, put_byte_3
|
||||
ldrb r6, [r0]
|
||||
mov r4, r4, put_byte_0
|
||||
ldrb ip, [r0]
|
||||
orr r4, r4, r5, put_byte_1
|
||||
orr r4, r4, r6, put_byte_2
|
||||
orr r4, r4, ip, put_byte_3
|
||||
stmia r1!, {r3, r4}
|
||||
|
||||
.Linsb_no_8: tst r2, #4
|
||||
beq .Linsb_no_4
|
||||
|
||||
ldrb r3, [r0]
|
||||
ldrb r4, [r0]
|
||||
ldrb r5, [r0]
|
||||
ldrb r6, [r0]
|
||||
mov r3, r3, put_byte_0
|
||||
orr r3, r3, r4, put_byte_1
|
||||
orr r3, r3, r5, put_byte_2
|
||||
orr r3, r3, r6, put_byte_3
|
||||
str r3, [r1], #4
|
||||
|
||||
.Linsb_no_4: ands r2, r2, #3
|
||||
ldmeqfd sp!, {r4 - r6, pc}
|
||||
|
||||
cmp r2, #2
|
||||
ldrb r3, [r0]
|
||||
strb r3, [r1], #1
|
||||
ldrgeb r3, [r0]
|
||||
strgeb r3, [r1], #1
|
||||
ldrgtb r3, [r0]
|
||||
strgtb r3, [r1]
|
||||
|
||||
ldmfd sp!, {r4 - r6, pc}
|
||||
ENDPROC(__raw_readsb)
|
||||
|
|
@ -0,0 +1,131 @@
|
|||
/*
|
||||
* linux/arch/arm/lib/io-readsw-armv4.S
|
||||
*
|
||||
* Copyright (C) 1995-2000 Russell King
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
#include <linux/linkage.h>
|
||||
#include <asm/assembler.h>
|
||||
|
||||
.macro pack, rd, hw1, hw2
|
||||
#ifndef __ARMEB__
|
||||
orr \rd, \hw1, \hw2, lsl #16
|
||||
#else
|
||||
orr \rd, \hw2, \hw1, lsl #16
|
||||
#endif
|
||||
.endm
|
||||
|
||||
.Linsw_align: movs ip, r1, lsl #31
|
||||
bne .Linsw_noalign
|
||||
ldrh ip, [r0]
|
||||
sub r2, r2, #1
|
||||
strh ip, [r1], #2
|
||||
|
||||
ENTRY(__raw_readsw)
|
||||
teq r2, #0
|
||||
moveq pc, lr
|
||||
tst r1, #3
|
||||
bne .Linsw_align
|
||||
|
||||
stmfd sp!, {r4, r5, lr}
|
||||
|
||||
subs r2, r2, #8
|
||||
bmi .Lno_insw_8
|
||||
|
||||
.Linsw_8_lp: ldrh r3, [r0]
|
||||
ldrh r4, [r0]
|
||||
pack r3, r3, r4
|
||||
|
||||
ldrh r4, [r0]
|
||||
ldrh r5, [r0]
|
||||
pack r4, r4, r5
|
||||
|
||||
ldrh r5, [r0]
|
||||
ldrh ip, [r0]
|
||||
pack r5, r5, ip
|
||||
|
||||
ldrh ip, [r0]
|
||||
ldrh lr, [r0]
|
||||
pack ip, ip, lr
|
||||
|
||||
subs r2, r2, #8
|
||||
stmia r1!, {r3 - r5, ip}
|
||||
bpl .Linsw_8_lp
|
||||
|
||||
.Lno_insw_8: tst r2, #4
|
||||
beq .Lno_insw_4
|
||||
|
||||
ldrh r3, [r0]
|
||||
ldrh r4, [r0]
|
||||
pack r3, r3, r4
|
||||
|
||||
ldrh r4, [r0]
|
||||
ldrh ip, [r0]
|
||||
pack r4, r4, ip
|
||||
|
||||
stmia r1!, {r3, r4}
|
||||
|
||||
.Lno_insw_4: movs r2, r2, lsl #31
|
||||
bcc .Lno_insw_2
|
||||
|
||||
ldrh r3, [r0]
|
||||
ldrh ip, [r0]
|
||||
pack r3, r3, ip
|
||||
str r3, [r1], #4
|
||||
|
||||
.Lno_insw_2: ldrneh r3, [r0]
|
||||
strneh r3, [r1]
|
||||
|
||||
ldmfd sp!, {r4, r5, pc}
|
||||
|
||||
#ifdef __ARMEB__
|
||||
#define _BE_ONLY_(code...) code
|
||||
#define _LE_ONLY_(code...)
|
||||
#define push_hbyte0 lsr #8
|
||||
#define pull_hbyte1 lsl #24
|
||||
#else
|
||||
#define _BE_ONLY_(code...)
|
||||
#define _LE_ONLY_(code...) code
|
||||
#define push_hbyte0 lsl #24
|
||||
#define pull_hbyte1 lsr #8
|
||||
#endif
|
||||
|
||||
.Linsw_noalign: stmfd sp!, {r4, lr}
|
||||
ldrccb ip, [r1, #-1]!
|
||||
bcc 1f
|
||||
|
||||
ldrh ip, [r0]
|
||||
sub r2, r2, #1
|
||||
_BE_ONLY_( mov ip, ip, ror #8 )
|
||||
strb ip, [r1], #1
|
||||
_LE_ONLY_( mov ip, ip, lsr #8 )
|
||||
_BE_ONLY_( mov ip, ip, lsr #24 )
|
||||
|
||||
1: subs r2, r2, #2
|
||||
bmi 3f
|
||||
_BE_ONLY_( mov ip, ip, lsl #24 )
|
||||
|
||||
2: ldrh r3, [r0]
|
||||
ldrh r4, [r0]
|
||||
subs r2, r2, #2
|
||||
orr ip, ip, r3, lsl #8
|
||||
orr ip, ip, r4, push_hbyte0
|
||||
str ip, [r1], #4
|
||||
mov ip, r4, pull_hbyte1
|
||||
bpl 2b
|
||||
|
||||
_BE_ONLY_( mov ip, ip, lsr #24 )
|
||||
|
||||
3: tst r2, #1
|
||||
strb ip, [r1], #1
|
||||
ldrneh ip, [r0]
|
||||
_BE_ONLY_( movne ip, ip, ror #8 )
|
||||
strneb ip, [r1], #1
|
||||
_LE_ONLY_( movne ip, ip, lsr #8 )
|
||||
_BE_ONLY_( movne ip, ip, lsr #24 )
|
||||
strneb ip, [r1]
|
||||
ldmfd sp!, {r4, pc}
|
||||
ENDPROC(__raw_readsw)
|
||||
|
|
@ -0,0 +1,94 @@
|
|||
/*
|
||||
* linux/arch/arm/lib/io-writesb.S
|
||||
*
|
||||
* Copyright (C) 1995-2000 Russell King
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
#include <linux/linkage.h>
|
||||
#include <asm/assembler.h>
|
||||
|
||||
.macro outword, rd
|
||||
#ifndef __ARMEB__
|
||||
strb \rd, [r0]
|
||||
mov \rd, \rd, lsr #8
|
||||
strb \rd, [r0]
|
||||
mov \rd, \rd, lsr #8
|
||||
strb \rd, [r0]
|
||||
mov \rd, \rd, lsr #8
|
||||
strb \rd, [r0]
|
||||
#else
|
||||
mov lr, \rd, lsr #24
|
||||
strb lr, [r0]
|
||||
mov lr, \rd, lsr #16
|
||||
strb lr, [r0]
|
||||
mov lr, \rd, lsr #8
|
||||
strb lr, [r0]
|
||||
strb \rd, [r0]
|
||||
#endif
|
||||
.endm
|
||||
|
||||
.Loutsb_align: rsb ip, ip, #4
|
||||
cmp ip, r2
|
||||
movgt ip, r2
|
||||
cmp ip, #2
|
||||
ldrb r3, [r1], #1
|
||||
strb r3, [r0]
|
||||
ldrgeb r3, [r1], #1
|
||||
strgeb r3, [r0]
|
||||
ldrgtb r3, [r1], #1
|
||||
strgtb r3, [r0]
|
||||
subs r2, r2, ip
|
||||
bne .Loutsb_aligned
|
||||
|
||||
ENTRY(__raw_writesb)
|
||||
teq r2, #0 @ do we have to check for the zero len?
|
||||
moveq pc, lr
|
||||
ands ip, r1, #3
|
||||
bne .Loutsb_align
|
||||
|
||||
.Loutsb_aligned:
|
||||
stmfd sp!, {r4, r5, lr}
|
||||
|
||||
subs r2, r2, #16
|
||||
bmi .Loutsb_no_16
|
||||
|
||||
.Loutsb_16_lp: ldmia r1!, {r3, r4, r5, ip}
|
||||
outword r3
|
||||
outword r4
|
||||
outword r5
|
||||
outword ip
|
||||
subs r2, r2, #16
|
||||
bpl .Loutsb_16_lp
|
||||
|
||||
tst r2, #15
|
||||
ldmeqfd sp!, {r4, r5, pc}
|
||||
|
||||
.Loutsb_no_16: tst r2, #8
|
||||
beq .Loutsb_no_8
|
||||
|
||||
ldmia r1!, {r3, r4}
|
||||
outword r3
|
||||
outword r4
|
||||
|
||||
.Loutsb_no_8: tst r2, #4
|
||||
beq .Loutsb_no_4
|
||||
|
||||
ldr r3, [r1], #4
|
||||
outword r3
|
||||
|
||||
.Loutsb_no_4: ands r2, r2, #3
|
||||
ldmeqfd sp!, {r4, r5, pc}
|
||||
|
||||
cmp r2, #2
|
||||
ldrb r3, [r1], #1
|
||||
strb r3, [r0]
|
||||
ldrgeb r3, [r1], #1
|
||||
strgeb r3, [r0]
|
||||
ldrgtb r3, [r1]
|
||||
strgtb r3, [r0]
|
||||
|
||||
ldmfd sp!, {r4, r5, pc}
|
||||
ENDPROC(__raw_writesb)
|
||||
|
|
@ -0,0 +1,97 @@
|
|||
/*
|
||||
* linux/arch/arm/lib/io-writesw-armv4.S
|
||||
*
|
||||
* Copyright (C) 1995-2000 Russell King
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
#include <linux/linkage.h>
|
||||
#include <asm/assembler.h>
|
||||
|
||||
.macro outword, rd
|
||||
#ifndef __ARMEB__
|
||||
strh \rd, [r0]
|
||||
mov \rd, \rd, lsr #16
|
||||
strh \rd, [r0]
|
||||
#else
|
||||
mov lr, \rd, lsr #16
|
||||
strh lr, [r0]
|
||||
strh \rd, [r0]
|
||||
#endif
|
||||
.endm
|
||||
|
||||
.Loutsw_align: movs ip, r1, lsl #31
|
||||
bne .Loutsw_noalign
|
||||
|
||||
ldrh r3, [r1], #2
|
||||
sub r2, r2, #1
|
||||
strh r3, [r0]
|
||||
|
||||
ENTRY(__raw_writesw)
|
||||
teq r2, #0
|
||||
moveq pc, lr
|
||||
ands r3, r1, #3
|
||||
bne .Loutsw_align
|
||||
|
||||
stmfd sp!, {r4, r5, lr}
|
||||
|
||||
subs r2, r2, #8
|
||||
bmi .Lno_outsw_8
|
||||
|
||||
.Loutsw_8_lp: ldmia r1!, {r3, r4, r5, ip}
|
||||
subs r2, r2, #8
|
||||
outword r3
|
||||
outword r4
|
||||
outword r5
|
||||
outword ip
|
||||
bpl .Loutsw_8_lp
|
||||
|
||||
.Lno_outsw_8: tst r2, #4
|
||||
beq .Lno_outsw_4
|
||||
|
||||
ldmia r1!, {r3, ip}
|
||||
outword r3
|
||||
outword ip
|
||||
|
||||
.Lno_outsw_4: movs r2, r2, lsl #31
|
||||
bcc .Lno_outsw_2
|
||||
|
||||
ldr r3, [r1], #4
|
||||
outword r3
|
||||
|
||||
.Lno_outsw_2: ldrneh r3, [r1]
|
||||
strneh r3, [r0]
|
||||
|
||||
ldmfd sp!, {r4, r5, pc}
|
||||
|
||||
#ifdef __ARMEB__
|
||||
#define pull_hbyte0 lsl #8
|
||||
#define push_hbyte1 lsr #24
|
||||
#else
|
||||
#define pull_hbyte0 lsr #24
|
||||
#define push_hbyte1 lsl #8
|
||||
#endif
|
||||
|
||||
.Loutsw_noalign:
|
||||
ldr r3, [r1, -r3]!
|
||||
subcs r2, r2, #1
|
||||
bcs 2f
|
||||
subs r2, r2, #2
|
||||
bmi 3f
|
||||
|
||||
1: mov ip, r3, lsr #8
|
||||
strh ip, [r0]
|
||||
2: mov ip, r3, pull_hbyte0
|
||||
ldr r3, [r1, #4]!
|
||||
subs r2, r2, #2
|
||||
orr ip, ip, r3, push_hbyte1
|
||||
strh ip, [r0]
|
||||
bpl 1b
|
||||
|
||||
tst r2, #1
|
||||
3: movne ip, r3, lsr #8
|
||||
strneh ip, [r0]
|
||||
mov pc, lr
|
||||
ENDPROC(__raw_writesw)
|
||||
|
|
@ -0,0 +1,116 @@
|
|||
/*
|
||||
* arch/arm/include/asm/assembler.h
|
||||
*
|
||||
* Copyright (C) 1996-2000 Russell King
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* This file contains arm architecture specific defines
|
||||
* for the different processors.
|
||||
*
|
||||
* Do not include any C declarations in this file - it is included by
|
||||
* assembler source.
|
||||
*/
|
||||
#ifndef __ASSEMBLY__
|
||||
#error "Only include this from assembly code"
|
||||
#endif
|
||||
|
||||
#include <asm/ptrace.h>
|
||||
|
||||
/*
|
||||
* Endian independent macros for shifting bytes within registers.
|
||||
*/
|
||||
#ifndef __ARMEB__
|
||||
#define pull lsr
|
||||
#define push lsl
|
||||
#define get_byte_0 lsl #0
|
||||
#define get_byte_1 lsr #8
|
||||
#define get_byte_2 lsr #16
|
||||
#define get_byte_3 lsr #24
|
||||
#define put_byte_0 lsl #0
|
||||
#define put_byte_1 lsl #8
|
||||
#define put_byte_2 lsl #16
|
||||
#define put_byte_3 lsl #24
|
||||
#else
|
||||
#define pull lsl
|
||||
#define push lsr
|
||||
#define get_byte_0 lsr #24
|
||||
#define get_byte_1 lsr #16
|
||||
#define get_byte_2 lsr #8
|
||||
#define get_byte_3 lsl #0
|
||||
#define put_byte_0 lsl #24
|
||||
#define put_byte_1 lsl #16
|
||||
#define put_byte_2 lsl #8
|
||||
#define put_byte_3 lsl #0
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Data preload for architectures that support it
|
||||
*/
|
||||
#if __LINUX_ARM_ARCH__ >= 5
|
||||
#define PLD(code...) code
|
||||
#else
|
||||
#define PLD(code...)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* This can be used to enable code to cacheline align the destination
|
||||
* pointer when bulk writing to memory. Experiments on StrongARM and
|
||||
* XScale didn't show this a worthwhile thing to do when the cache is not
|
||||
* set to write-allocate (this would need further testing on XScale when WA
|
||||
* is used).
|
||||
*
|
||||
* On Feroceon there is much to gain however, regardless of cache mode.
|
||||
*/
|
||||
#ifdef CONFIG_CPU_FEROCEON
|
||||
#define CALGN(code...) code
|
||||
#else
|
||||
#define CALGN(code...)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Enable and disable interrupts
|
||||
*/
|
||||
#if __LINUX_ARM_ARCH__ >= 6
|
||||
.macro disable_irq
|
||||
cpsid i
|
||||
.endm
|
||||
|
||||
.macro enable_irq
|
||||
cpsie i
|
||||
.endm
|
||||
#else
|
||||
.macro disable_irq
|
||||
msr cpsr_c, #PSR_I_BIT | SVC_MODE
|
||||
.endm
|
||||
|
||||
.macro enable_irq
|
||||
msr cpsr_c, #SVC_MODE
|
||||
.endm
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Save the current IRQ state and disable IRQs. Note that this macro
|
||||
* assumes FIQs are enabled, and that the processor is in SVC mode.
|
||||
*/
|
||||
.macro save_and_disable_irqs, oldcpsr
|
||||
mrs \oldcpsr, cpsr
|
||||
disable_irq
|
||||
.endm
|
||||
|
||||
/*
|
||||
* Restore interrupt state previously stored in a register. We don't
|
||||
* guarantee that this will preserve the flags.
|
||||
*/
|
||||
.macro restore_irqs, oldcpsr
|
||||
msr cpsr_c, \oldcpsr
|
||||
.endm
|
||||
|
||||
#define USER(x...) \
|
||||
9999: x; \
|
||||
.section __ex_table,"a"; \
|
||||
.align 3; \
|
||||
.long 9999b,9001f; \
|
||||
.previous
|
||||
|
|
@ -39,13 +39,13 @@
|
|||
#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v))
|
||||
#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v))
|
||||
|
||||
extern void __raw_writesb(unsigned int addr, const void *data, int bytelen);
|
||||
extern void __raw_writesw(unsigned int addr, const void *data, int wordlen);
|
||||
extern void __raw_writesl(unsigned int addr, const void *data, int longlen);
|
||||
extern void __raw_writesb(void __iomem *addr, const void *data, int bytelen);
|
||||
extern void __raw_writesw(void __iomem *addr, const void *data, int wordlen);
|
||||
extern void __raw_writesl(void __iomem *addr, const void *data, int longlen);
|
||||
|
||||
extern void __raw_readsb(unsigned int addr, void *data, int bytelen);
|
||||
extern void __raw_readsw(unsigned int addr, void *data, int wordlen);
|
||||
extern void __raw_readsl(unsigned int addr, void *data, int longlen);
|
||||
extern void __raw_readsb(const void __iomem *addr, void *data, int bytelen);
|
||||
extern void __raw_readsw(const void __iomem *addr, void *data, int wordlen);
|
||||
extern void __raw_readsl(const void __iomem *addr, void *data, int longlen);
|
||||
|
||||
#define __raw_writeb(v,a) __arch_putb(v,a)
|
||||
#define __raw_writew(v,a) __arch_putw(v,a)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,11 @@
|
|||
#ifndef __ASM_LINKAGE_H
|
||||
#define __ASM_LINKAGE_H
|
||||
|
||||
#define __ALIGN .align 0
|
||||
#define __ALIGN_STR ".align 0"
|
||||
|
||||
#define ENDPROC(name) \
|
||||
.type name, %function; \
|
||||
END(name)
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,96 @@
|
|||
#ifndef _LINUX_LINKAGE_H
|
||||
#define _LINUX_LINKAGE_H
|
||||
|
||||
#include <linux/compiler.h>
|
||||
#include <asm/linkage.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
#define CPP_ASMLINKAGE extern "C"
|
||||
#else
|
||||
#define CPP_ASMLINKAGE
|
||||
#endif
|
||||
|
||||
#ifndef asmlinkage
|
||||
#define asmlinkage CPP_ASMLINKAGE
|
||||
#endif
|
||||
|
||||
#ifndef asmregparm
|
||||
# define asmregparm
|
||||
#endif
|
||||
|
||||
#define __page_aligned_data __section(.data.page_aligned) __aligned(PAGE_SIZE)
|
||||
#define __page_aligned_bss __section(.bss.page_aligned) __aligned(PAGE_SIZE)
|
||||
|
||||
/*
|
||||
* This is used by architectures to keep arguments on the stack
|
||||
* untouched by the compiler by keeping them live until the end.
|
||||
* The argument stack may be owned by the assembly-language
|
||||
* caller, not the callee, and gcc doesn't always understand
|
||||
* that.
|
||||
*
|
||||
* We have the return value, and a maximum of six arguments.
|
||||
*
|
||||
* This should always be followed by a "return ret" for the
|
||||
* protection to work (ie no more work that the compiler might
|
||||
* end up needing stack temporaries for).
|
||||
*/
|
||||
/* Assembly files may be compiled with -traditional .. */
|
||||
#ifndef __ASSEMBLY__
|
||||
#ifndef asmlinkage_protect
|
||||
# define asmlinkage_protect(n, ret, args...) do { } while (0)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifndef __ALIGN
|
||||
#define __ALIGN .align 4,0x90
|
||||
#define __ALIGN_STR ".align 4,0x90"
|
||||
#endif
|
||||
|
||||
#ifdef __ASSEMBLY__
|
||||
|
||||
#define ALIGN __ALIGN
|
||||
#define ALIGN_STR __ALIGN_STR
|
||||
|
||||
#ifndef ENTRY
|
||||
#define ENTRY(name) \
|
||||
.globl name; \
|
||||
ALIGN; \
|
||||
name:
|
||||
#endif
|
||||
|
||||
#ifndef WEAK
|
||||
#define WEAK(name) \
|
||||
.weak name; \
|
||||
name:
|
||||
#endif
|
||||
|
||||
#define KPROBE_ENTRY(name) \
|
||||
.pushsection .kprobes.text, "ax"; \
|
||||
ENTRY(name)
|
||||
|
||||
#define KPROBE_END(name) \
|
||||
END(name); \
|
||||
.popsection
|
||||
|
||||
#ifndef END
|
||||
#define END(name) \
|
||||
.size name, .-name
|
||||
#endif
|
||||
|
||||
/* If symbol 'name' is treated as a subroutine (gets called, and returns)
|
||||
* then please use ENDPROC to mark 'name' as STT_FUNC for the benefit of
|
||||
* static analysis tools such as stack depth analyzer.
|
||||
*/
|
||||
#ifndef ENDPROC
|
||||
#define ENDPROC(name) \
|
||||
.type name, @function; \
|
||||
END(name)
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
#define NORET_TYPE /**/
|
||||
#define ATTRIB_NORET __attribute__((noreturn))
|
||||
#define NORET_AND noreturn,
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue