summaryrefslogtreecommitdiffstats
path: root/arch/mips/include/asm/mach-sead3/kernel-entry-init.h
blob: 3dfbd8e7947fe264b0f605b8b84f522c53c0fd28 (plain)
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
41
42
43
44
45
46
47
48
49
50
51
52
/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Chris Dearman (chris@mips.com)
 * Copyright (C) 2007 Mips Technologies, Inc.
 */
#ifndef __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H
#define __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H

	.macro	kernel_entry_setup
#ifdef CONFIG_MIPS_MT_SMTC
	mfc0	t0, CP0_CONFIG
	bgez	t0, 9f
	mfc0	t0, CP0_CONFIG, 1
	bgez	t0, 9f
	mfc0	t0, CP0_CONFIG, 2
	bgez	t0, 9f
	mfc0	t0, CP0_CONFIG, 3
	and	t0, 1<<2
	bnez	t0, 0f
9 :
	/* Assume we came from YAMON... */
	PTR_LA	v0, 0x9fc00534	/* YAMON print */
	lw	v0, (v0)
	move	a0, zero
	PTR_LA	a1, nonmt_processor
	jal	v0

	PTR_LA	v0, 0x9fc00520	/* YAMON exit */
	lw	v0, (v0)
	li	a0, 1
	jal	v0

1 :	b	1b

	__INITDATA
nonmt_processor :
	.asciz	"SMTC kernel requires the MT ASE to run\n"
	__FINIT
0 :
#endif
	.endm

/*
 * Do SMP slave processor setup necessary before we can safely execute C code.
 */
	.macro	smp_slave_setup
	.endm

#endif /* __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H */