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| /* SPDX-License-Identifier: GPL-2.0-only */
| /*
| * linux/arch/arm/lib/ecard.S
| *
| * Copyright (C) 1995, 1996 Russell King
| *
| * 27/03/03 Ian Molton Clean up CONFIG_CPU
| */
| #include <linux/linkage.h>
| #include <asm/assembler.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}
|
|
