1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* 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}
|