| Michal Simek | 4115ac8 | 2009-03-27 14:25:43 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Definitions used by low-level trap handlers |
| 3 | * |
| 4 | * Copyright (C) 2008 Michal Simek |
| 5 | * Copyright (C) 2007 - 2008 PetaLogix |
| 6 | * Copyright (C) 2007 John Williams <john.williams@petalogix.com> |
| 7 | * |
| 8 | * This file is subject to the terms and conditions of the GNU General |
| 9 | * Public License. See the file COPYING in the main directory of this |
| 10 | * archive for more details. |
| 11 | */ |
| 12 | |
| 13 | #ifndef _ASM_MICROBLAZE_ENTRY_H |
| 14 | #define _ASM_MICROBLAZE_ENTRY_H |
| 15 | |
| 16 | #include <asm/percpu.h> |
| 17 | #include <asm/ptrace.h> |
| 18 | |
| 19 | /* |
| 20 | * These are per-cpu variables required in entry.S, among other |
| 21 | * places |
| 22 | */ |
| 23 | |
| 24 | #define PER_CPU(var) per_cpu__##var |
| 25 | |
| 26 | # ifndef __ASSEMBLY__ |
| 27 | DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */ |
| 28 | DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */ |
| 29 | DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */ |
| 30 | DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */ |
| 31 | DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */ |
| Michal Simek | 4115ac8 | 2009-03-27 14:25:43 +0100 | [diff] [blame] | 32 | # endif /* __ASSEMBLY__ */ |
| 33 | |
| Michal Simek | 2921e2b | 2009-04-21 14:08:47 +0200 | [diff] [blame^] | 34 | /* noMMU hasn't any space for args */ |
| 35 | # define STATE_SAVE_ARG_SPACE (0) |
| 36 | |
| Michal Simek | 4115ac8 | 2009-03-27 14:25:43 +0100 | [diff] [blame] | 37 | #endif /* _ASM_MICROBLAZE_ENTRY_H */ |