Commit | Line | Data |
---|---|---|
ecd27b92 CD |
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 */ |