41 lines
874 B
ArmAsm
41 lines
874 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* linux/arch/arm/lib/ecard.S
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*
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* Copyright (C) 1995, 1996 Russell King
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*
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* 27/03/03 Ian Molton Clean up CONFIG_CPU
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*/
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#include <linux/linkage.h>
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#include <asm/assembler.h>
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#define CPSR2SPSR(rt) \
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mrs rt, cpsr; \
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msr spsr_cxsf, rt
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@ Purpose: call an expansion card loader to read bytes.
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@ Proto : char read_loader(int offset, char *card_base, char *loader);
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@ Returns: byte read
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ENTRY(ecard_loader_read)
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stmfd sp!, {r4 - r12, lr}
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mov r11, r1
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mov r1, r0
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CPSR2SPSR(r0)
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mov lr, pc
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mov pc, r2
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ldmfd sp!, {r4 - r12, pc}
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@ Purpose: call an expansion card loader to reset the card
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@ Proto : void read_loader(int card_base, char *loader);
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@ Returns: byte read
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ENTRY(ecard_loader_reset)
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stmfd sp!, {r4 - r12, lr}
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mov r11, r0
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CPSR2SPSR(r0)
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mov lr, pc
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add pc, r1, #8
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ldmfd sp!, {r4 - r12, pc}
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