rt-thread/libcpu/arm/cortex-a/cp15.h

29 lines
1.0 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-03-25 quanzhao the first version
*/
#ifndef __CP15_H__
#define __CP15_H__
#define __get_cp(cp, op1, Rt, CRn, CRm, op2) __asm__ volatile("MRC p" # cp ", " # op1 ", %0, c" # CRn ", c" # CRm ", " # op2 : "=r" (Rt) : : "memory" )
#define __set_cp(cp, op1, Rt, CRn, CRm, op2) __asm__ volatile("MCR p" # cp ", " # op1 ", %0, c" # CRn ", c" # CRm ", " # op2 : : "r" (Rt) : "memory" )
#define __get_cp64(cp, op1, Rt, CRm) __asm__ volatile("MRRC p" # cp ", " # op1 ", %Q0, %R0, c" # CRm : "=r" (Rt) : : "memory" )
#define __set_cp64(cp, op1, Rt, CRm) __asm__ volatile("MCRR p" # cp ", " # op1 ", %Q0, %R0, c" # CRm : : "r" (Rt) : "memory" )
int rt_hw_cpu_id(void);
void rt_cpu_mmu_disable(void);
void rt_cpu_mmu_enable(void);
void rt_cpu_tlb_set(volatile unsigned long*);
void rt_cpu_dcache_clean_flush(void);
void rt_cpu_icache_flush(void);
void rt_cpu_vector_set_base(unsigned int addr);
#endif