| /* |
| * 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> |
| |
| #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} |
| |