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SourceVuESP-IDF Framework and ExamplesESP-IDFmmu_hal_paddr_to_vaddr()

mmu_hal_paddr_to_vaddr() function

Convert physical address to virtual address

Syntax

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Summary

Declaration

Definition

from mmu_hal.h:105

bool mmu_hal_paddr_to_vaddr(uint32_t mmu_id, uint32_t paddr, mmu_target_t target, mmu_vaddr_t type, uint32_t *out_vaddr);

Implemented in mmu_hal.c:139

Arguments

Argument

Description

mmu_id

MMU ID

paddr

physical address

target

physical memory target, see `mmu_target_t`

type

virtual address type, could be instruction or data

out_vaddr

virtual address

Return value

- true: found a matched vaddr - false: not found a matched vaddr

Notes

This function can only find the first match virtual address. However it is possible that a physical address is mapped to multiple virtual addresses.

References

Code

Location

Referrer

bool mmu_hal_paddr_to_vaddr(uint32_t mmu_id, uint32_t paddr, mmu_target_t target, mmu_vaddr_t type, uint32_t *out_vaddr)

mmu_hal.c:139

bool mmu_hal_paddr_to_vaddr(uint32_t mmu_id, uint32_t paddr, mmu_target_t target, mmu_vaddr_t type, uint32_t *out_vaddr);

mmu_hal.h:105

bool found = mmu_hal_paddr_to_vaddr(mmu_id, paddr, target, type, out_vaddr);

esp_mmu_map.c:794

s_paddr_to_vaddr()

Call Tree

mmu_hal_paddr_to_vaddr() is called by 1 function and calls 7 functions:

s_paddr_to_vaddr()

mmu_hal_paddr_to_vaddr()

__assert_func()

mmu_ll_format_paddr()

mmu_ll_check_valid_paddr_region()

mmu_ll_entry_id_to_vaddr_base()

mmu_ll_find_entry_id_based_on_map_value()

mmu_hal_pages_to_bytes()

abort()

Data Use

mmu_hal_paddr_to_vaddr():

mmu_hal_paddr_to_vaddr()

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