diff options
Diffstat (limited to 'arch/mips/include/asm/mach-malta/kernel-entry-init.h')
-rw-r--r-- | arch/mips/include/asm/mach-malta/kernel-entry-init.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-malta/kernel-entry-init.h b/arch/mips/include/asm/mach-malta/kernel-entry-init.h new file mode 100644 index 000000000000..0b793e7bf67e --- /dev/null +++ b/arch/mips/include/asm/mach-malta/kernel-entry-init.h | |||
@@ -0,0 +1,52 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Chris Dearman (chris@mips.com) | ||
7 | * Copyright (C) 2007 Mips Technologies, Inc. | ||
8 | */ | ||
9 | #ifndef __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H | ||
10 | #define __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H | ||
11 | |||
12 | .macro kernel_entry_setup | ||
13 | #ifdef CONFIG_MIPS_MT_SMTC | ||
14 | mfc0 t0, CP0_CONFIG | ||
15 | bgez t0, 9f | ||
16 | mfc0 t0, CP0_CONFIG, 1 | ||
17 | bgez t0, 9f | ||
18 | mfc0 t0, CP0_CONFIG, 2 | ||
19 | bgez t0, 9f | ||
20 | mfc0 t0, CP0_CONFIG, 3 | ||
21 | and t0, 1<<2 | ||
22 | bnez t0, 0f | ||
23 | 9: | ||
24 | /* Assume we came from YAMON... */ | ||
25 | PTR_LA v0, 0x9fc00534 /* YAMON print */ | ||
26 | lw v0, (v0) | ||
27 | move a0, zero | ||
28 | PTR_LA a1, nonmt_processor | ||
29 | jal v0 | ||
30 | |||
31 | PTR_LA v0, 0x9fc00520 /* YAMON exit */ | ||
32 | lw v0, (v0) | ||
33 | li a0, 1 | ||
34 | jal v0 | ||
35 | |||
36 | 1: b 1b | ||
37 | |||
38 | __INITDATA | ||
39 | nonmt_processor: | ||
40 | .asciz "SMTC kernel requires the MT ASE to run\n" | ||
41 | __FINIT | ||
42 | 0: | ||
43 | #endif | ||
44 | .endm | ||
45 | |||
46 | /* | ||
47 | * Do SMP slave processor setup necessary before we can safely execute C code. | ||
48 | */ | ||
49 | .macro smp_slave_setup | ||
50 | .endm | ||
51 | |||
52 | #endif /* __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H */ | ||