53 lines
		
	
	
	
		
			1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			53 lines
		
	
	
	
		
			1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * 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 */
 |