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SourceVuESP-IDF Framework and ExamplesESP-IDFmmu_hal_pages_to_bytes()

mmu_hal_pages_to_bytes() function

Helper functions to convert the MMU page numbers into bytes. e.g.: - When MMU page size is 16KB, page_num = 2 will be converted into 32KB - When MMU page size is 32KB, page_num = 2 will be converted into 64KB

Syntax

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Summary

Declaration

Definition

from mmu_hal.h:37

uint32_t mmu_hal_pages_to_bytes(uint32_t mmu_id, uint32_t page_num);

Implemented in mmu_hal.c:41

Arguments

Argument

Description

mmu_id

MMU ID

page_num

page numbers

Return value

length in byte

References

Code

Location

Referrer

uint32_t mmu_hal_pages_to_bytes(uint32_t mmu_id, uint32_t page_num)

mmu_hal.c:41

uint32_t mmu_hal_pages_to_bytes(uint32_t mmu_id, uint32_t page_num);

mmu_hal.h:37

uint32_t page_size_in_bytes = mmu_hal_pages_to_bytes(mmu_id, 1);

mmu_hal.c:83

mmu_hal_map_region()

*out_len = mmu_hal_pages_to_bytes(mmu_id, page_num);

mmu_hal.c:93

mmu_hal_map_region()

uint32_t page_size_in_bytes = mmu_hal_pages_to_bytes(mmu_id, 1);

mmu_hal.c:107

mmu_hal_unmap_region()

uint32_t page_size_in_bytes = mmu_hal_pages_to_bytes(mmu_id, 1);

mmu_hal.c:129

mmu_hal_vaddr_to_paddr()

uint32_t page_size_in_bytes = mmu_hal_pages_to_bytes(mmu_id, 1);

mmu_hal.c:149

mmu_hal_paddr_to_vaddr()

Call Tree

mmu_hal_pages_to_bytes() is called by 4 functions and calls 3 functions:

mmu_hal_map_region()

mmu_hal_unmap_region()

mmu_hal_vaddr_to_paddr()

mmu_hal_paddr_to_vaddr()

mmu_hal_pages_to_bytes()

__assert_func()

mmu_ll_get_page_size()

abort()

Data Use

mmu_hal_pages_to_bytes() reads 3 variables:

mmu_page_size_t::MMU_PAGE_16KB

mmu_page_size_t::MMU_PAGE_32KB

mmu_page_size_t::MMU_PAGE_64KB

mmu_hal_pages_to_bytes()

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