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40 lines
874 B
40 lines
874 B
/* 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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