| Chris Dearman | ecd27b9 | 2007-07-06 17:11:20 +0100 | [diff] [blame] | 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 */ |