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

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jiangguangming
2022-04-18 15:04:10 +08:00
parent 96965d5d64
commit 9c6afee12f
9 changed files with 276 additions and 44 deletions
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32
components/hal/esp32s2/include/hal/mmu_ll.h
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@@ -138,6 +138,22 @@ 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 | target_code | 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
*
@@ -166,6 +182,22 @@ 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