mem_layout.c File Reference

Implementation of memory layout utilities. More...

#include "mem_layout/mem_layout.h"

Include dependency graph for mem_layout.c:

Functions
void	update_kernel_base_va (void)
	Update the kernel base virtual address.
phy_addr	va_to_pa (virt_addr v_addr)
	Convert a virtual address to a physical address.
virt_addr	pa_to_va (phy_addr p_addr)
	Convert a physical address to a virtual address.

Variables
static virt_addr	kernel_base_va = 0
	Base virtual address for the kernel. initially set to 0 until we map the kernel to high memory.

Detailed Description

Implementation of memory layout utilities.

Provides functions for managing the kernel's memory layout.

Author

Abhin Parekadan Jose

Date

2026-05-25

Function Documentation

pa_to_va()

virt_addr pa_to_va

(

phy_addr

p_addr

)

Convert a physical address to a virtual address.

Parameters

p_addr

The physical address to convert.

Returns

The corresponding virtual address.

va_to_pa()

phy_addr va_to_pa

(

virt_addr

v_addr

)

Convert a virtual address to a physical address.

Parameters

v_addr

The virtual address to convert.

Returns

The corresponding physical address.