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linux-next/arch/arm/lib/ecard.S
Russell King a09e64fbc0 [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-08-07 09:55:48 +01:00

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1.0 KiB
ArmAsm

/*
* linux/arch/arm/lib/ecard.S
*
* Copyright (C) 1995, 1996 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.
*
* 27/03/03 Ian Molton Clean up CONFIG_CPU
*
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <mach/hardware.h>
#define CPSR2SPSR(rt) \
mrs rt, cpsr; \
msr spsr_cxsf, rt
@ Purpose: call an expansion card loader to read bytes.
@ Proto : char read_loader(int offset, char *card_base, char *loader);
@ Returns: byte read
ENTRY(ecard_loader_read)
stmfd sp!, {r4 - r12, lr}
mov r11, r1
mov r1, r0
CPSR2SPSR(r0)
mov lr, pc
mov pc, r2
ldmfd sp!, {r4 - r12, pc}
@ Purpose: call an expansion card loader to reset the card
@ Proto : void read_loader(int card_base, char *loader);
@ Returns: byte read
ENTRY(ecard_loader_reset)
stmfd sp!, {r4 - r12, lr}
mov r11, r0
CPSR2SPSR(r0)
mov lr, pc
add pc, r1, #8
ldmfd sp!, {r4 - r12, pc}