diff options
Diffstat (limited to 'libcpu/arm/armv6/mmu.h')
| -rw-r--r-- | libcpu/arm/armv6/mmu.h | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/libcpu/arm/armv6/mmu.h b/libcpu/arm/armv6/mmu.h index 4df61ac21d..18355378bd 100644 --- a/libcpu/arm/armv6/mmu.h +++ b/libcpu/arm/armv6/mmu.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2018, RT-Thread Development Team + * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -12,7 +12,7 @@ #include <rtthread.h> -#define CACHE_LINE_SIZE 32 +#define CACHE_LINE_SIZE 32 /* * Hardware page table definitions. @@ -30,7 +30,7 @@ /* * - section */ -#define PGD_SECT_BUFFERABLE (1 << 2) +#define PGD_SECT_BUFFERABLE (1 << 2) #define PGD_SECT_CACHEABLE (1 << 3) #define PGD_SECT_XN (1 << 4) /* ARMv6 */ #define PGD_SECT_AP0 (1 << 10) @@ -155,35 +155,35 @@ #define PAGE_RONX_FAULT (PAGE_AP_RO|PTE_TYPE_SMALL|PTE_EXT_XN) /* Read Only without cache and write buffer */ -#define DESC_SEC (0x2|(1<<4)) -#define CB (3<<2) //cache_on, write_back -#define CNB (2<<2) //cache_on, write_through -#define NCB (1<<2) //cache_off,WR_BUF on -#define NCNB (0<<2) //cache_off,WR_BUF off -#define AP_RW (3<<10) //supervisor=RW, user=RW -#define AP_RO (2<<10) //supervisor=RW, user=RO +#define DESC_SEC (0x2|(1<<4)) +#define CB (3<<2) //cache_on, write_back +#define CNB (2<<2) //cache_on, write_through +#define NCB (1<<2) //cache_off,WR_BUF on +#define NCNB (0<<2) //cache_off,WR_BUF off +#define AP_RW (3<<10) //supervisor=RW, user=RW +#define AP_RO (2<<10) //supervisor=RW, user=RO -#define DOMAIN_FAULT (0x0) -#define DOMAIN_CHK (0x1) -#define DOMAIN_NOTCHK (0x3) -#define DOMAIN0 (0x0<<5) -#define DOMAIN1 (0x1<<5) +#define DOMAIN_FAULT (0x0) +#define DOMAIN_CHK (0x1) +#define DOMAIN_NOTCHK (0x3) +#define DOMAIN0 (0x0<<5) +#define DOMAIN1 (0x1<<5) -#define DOMAIN0_ATTR (DOMAIN_CHK<<0) -#define DOMAIN1_ATTR (DOMAIN_FAULT<<2) +#define DOMAIN0_ATTR (DOMAIN_CHK<<0) +#define DOMAIN1_ATTR (DOMAIN_FAULT<<2) -#define RW_CB (AP_RW|DOMAIN0|CB|DESC_SEC) /* Read/Write, cache, write back */ -#define RW_CNB (AP_RW|DOMAIN0|CNB|DESC_SEC) /* Read/Write, cache, write through */ -#define RW_NCNB (AP_RW|DOMAIN0|NCNB|DESC_SEC) /* Read/Write without cache and write buffer */ -#define RW_FAULT (AP_RW|DOMAIN1|NCNB|DESC_SEC) /* Read/Write without cache and write buffer */ +#define RW_CB (AP_RW|DOMAIN0|CB|DESC_SEC) /* Read/Write, cache, write back */ +#define RW_CNB (AP_RW|DOMAIN0|CNB|DESC_SEC) /* Read/Write, cache, write through */ +#define RW_NCNB (AP_RW|DOMAIN0|NCNB|DESC_SEC) /* Read/Write without cache and write buffer */ +#define RW_FAULT (AP_RW|DOMAIN1|NCNB|DESC_SEC) /* Read/Write without cache and write buffer */ struct mem_desc { - rt_uint32_t vaddr_start; - rt_uint32_t vaddr_end; - rt_uint32_t paddr_start; - rt_uint32_t sect_attr; /* when page mapped */ - rt_uint32_t page_attr; /* only sector mapped valid */ - rt_uint32_t mapped_mode; + rt_uint32_t vaddr_start; + rt_uint32_t vaddr_end; + rt_uint32_t paddr_start; + rt_uint32_t sect_attr; /* when page mapped */ + rt_uint32_t page_attr; /* only sector mapped valid */ + rt_uint32_t mapped_mode; #define SECT_MAPPED 0 #define PAGE_MAPPED 1 }; |