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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/microblaze/include/asm/entry.h | |
Initial import
Diffstat (limited to 'arch/microblaze/include/asm/entry.h')
| -rw-r--r-- | arch/microblaze/include/asm/entry.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/entry.h b/arch/microblaze/include/asm/entry.h new file mode 100644 index 000000000..596e485ae --- /dev/null +++ b/arch/microblaze/include/asm/entry.h @@ -0,0 +1,37 @@ +/* + * Definitions used by low-level trap handlers + * + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2007-2009 PetaLogix + * Copyright (C) 2007 John Williams <john.williams@petalogix.com> + * + * 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. + */ + +#ifndef _ASM_MICROBLAZE_ENTRY_H +#define _ASM_MICROBLAZE_ENTRY_H + +#include <asm/percpu.h> +#include <asm/ptrace.h> +#include <linux/linkage.h> + +/* + * These are per-cpu variables required in entry.S, among other + * places + */ + +#define PER_CPU(var) var + +# ifndef __ASSEMBLY__ +DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */ +DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */ +DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */ +DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */ +DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */ + +extern asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall); +# endif /* __ASSEMBLY__ */ + +#endif /* _ASM_MICROBLAZE_ENTRY_H */ |