69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
|
/*
|
||
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
||
|
*
|
||
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
*
|
||
|
* Change Logs:
|
||
|
* Date Author Notes
|
||
|
*/
|
||
|
|
||
|
#ifndef LWP_ARCH_H__
|
||
|
#define LWP_ARCH_H__
|
||
|
|
||
|
#include <rthw.h>
|
||
|
#include <lwp.h>
|
||
|
#include <lwp_arch_comm.h>
|
||
|
|
||
|
#ifdef ARCH_MM_MMU
|
||
|
|
||
|
#ifdef ARCH_MM_MMU_32BIT_LIMIT
|
||
|
#define USER_HEAP_VADDR 0xF0000000UL
|
||
|
#define USER_HEAP_VEND 0xFE000000UL
|
||
|
#define USER_STACK_VSTART 0xE0000000UL
|
||
|
#define USER_STACK_VEND USER_HEAP_VADDR
|
||
|
#define USER_VADDR_START 0xC0000000UL
|
||
|
#define USER_VADDR_TOP 0xFF000000UL
|
||
|
#define USER_LOAD_VADDR 0xD0000000UL
|
||
|
#define LDSO_LOAD_VADDR USER_LOAD_VADDR
|
||
|
#else
|
||
|
#define USER_HEAP_VADDR 0x300000000UL
|
||
|
#define USER_HEAP_VEND 0xffffffffffff0000UL
|
||
|
#define USER_STACK_VSTART 0x270000000UL
|
||
|
#define USER_STACK_VEND USER_HEAP_VADDR
|
||
|
#define USER_VADDR_START 0x200000000UL
|
||
|
#define USER_VADDR_TOP 0xfffffffffffff000UL
|
||
|
#define USER_LOAD_VADDR 0x200000000
|
||
|
#define LDSO_LOAD_VADDR 0x200000000
|
||
|
#endif
|
||
|
|
||
|
/* this attribution is cpu specified, and it should be defined in riscv_mmu.h */
|
||
|
#ifndef MMU_MAP_U_RWCB
|
||
|
#define MMU_MAP_U_RWCB 0
|
||
|
#endif
|
||
|
|
||
|
#ifndef MMU_MAP_U_RW
|
||
|
#define MMU_MAP_U_RW 0
|
||
|
#endif
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
extern "C" {
|
||
|
#endif
|
||
|
|
||
|
rt_inline unsigned long rt_hw_ffz(unsigned long x)
|
||
|
{
|
||
|
return __builtin_ffsl(~x) - 1;
|
||
|
}
|
||
|
|
||
|
rt_inline void icache_invalid_all(void)
|
||
|
{
|
||
|
rt_hw_cpu_icache_invalidate_all();
|
||
|
}
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
#endif
|
||
|
|
||
|
#endif /*LWP_ARCH_H__*/
|