alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-09 12:35:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'feature/flash_mmap_refactor' into 'master'

Browse Source 
flash mmap: abstract R/W of MMU table instead of reg access

See merge request espressif/esp-idf!16882
This commit is contained in:
Jiang Jiang Jian
2022-05-29 13:56:37 +08:00
parent a574652f79 9719979e4f
commit f3922f1b7f
21 changed files with 277 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
components/hal/esp32c2/include/hal/mmu_ll.h
View File

@@ -147,6 +147,22 @@ static inline void mmu_ll_write_entry(uint32_t mmu_id, uint32_t entry_id, uint32
*(uint32_t *)(DR_REG_MMU_TABLE + entry_id * 4) = mmu_val | MMU_ACCESS_FLASH | MMU_VALID;
}
/**
* Read the raw value from MMU table
*
* @param mmu_id MMU ID
* @param entry_id MMU entry ID
* @param mmu_val Value to be read from MMU table
*/
__attribute__((always_inline))
static inline uint32_t mmu_ll_read_entry(uint32_t mmu_id, uint32_t entry_id)
{
(void)mmu_id;
HAL_ASSERT(entry_id < MMU_ENTRY_NUM);
return *(uint32_t *)(DR_REG_MMU_TABLE + entry_id * 4);
}
/**
* Set MMU table entry as invalid
*
@@ -175,6 +191,22 @@ static inline void mmu_ll_unmap_all(uint32_t mmu_id)
}
}
/**
* Get MMU table entry is invalid
*
* @param mmu_id MMU ID
* @param entry_id MMU entry ID
* return ture for MMU entry is invalid, false for valid
*/
__attribute__((always_inline))
static inline bool mmu_ll_get_entry_is_invalid(uint32_t mmu_id, uint32_t entry_id)
{
(void)mmu_id;
HAL_ASSERT(entry_id < MMU_ENTRY_NUM);
return (*(uint32_t *)(DR_REG_MMU_TABLE + entry_id * 4) & MMU_INVALID) ? true : false;
}
#ifdef __cplusplus
}
#endif