diff options
Diffstat (limited to 'arch/arm/include/asm/proc-fns.h')
| -rw-r--r-- | arch/arm/include/asm/proc-fns.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h index e1b6f280ab08..b4986a23d852 100644 --- a/arch/arm/include/asm/proc-fns.h +++ b/arch/arm/include/asm/proc-fns.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * arch/arm/include/asm/proc-fns.h * * Copyright (C) 1997-1999 Russell King * Copyright (C) 2000 Deep Blue Solutions Ltd - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __ASM_PROCFNS_H #define __ASM_PROCFNS_H @@ -150,8 +147,6 @@ static inline void init_proc_vtable(const struct processor *p) extern void cpu_resume(void); -#include <asm/memory.h> - #ifdef CONFIG_MMU #define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm) @@ -183,6 +178,18 @@ extern void cpu_resume(void); }) #endif +static inline unsigned int cpu_get_ttbcr(void) +{ + unsigned int ttbcr; + asm("mrc p15, 0, %0, c2, c0, 2" : "=r" (ttbcr)); + return ttbcr; +} + +static inline void cpu_set_ttbcr(unsigned int ttbcr) +{ + asm volatile("mcr p15, 0, %0, c2, c0, 2" : : "r" (ttbcr) : "memory"); +} + #else /*!CONFIG_MMU */ #define cpu_switch_mm(pgd,mm) { } |