mem_tools.hpp

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#pragma once
#include "types.hpp"
/*
    Note: the functions implemented in this file have no security/validity checks which makes them dangerous to use
    at boot-time this is fine but different memory functions should be used later on
*/
 
#define AS_PTR(type, addr) ((type*)addr)

static void mem_set(void* dst, uint32_t size, uint8_t value=0)
{
    uint8_t* cdst = (uint8_t*)dst;
    for(uint32_t idx = 0; idx < size; idx++)
    {
        *cdst++ = value;
    }
}
 

inline static void mem_clr(void* dst, uint32_t size)
{
    mem_set(dst, size, 0);
}
 
/* Copies `src` to `dst` for `size` */
static void mem_cpy(void* dst, const void* src, uint32_t size)
{
    uint8_t* cdst = (uint8_t*)dst;
    uint8_t* csrc = (uint8_t*)src;
 
    for(uint32_t idx = 0; idx < size; idx++)
    {
        *cdst++ = *csrc++;
    }
}

inline void mem_write(uint32_t addr, uint32_t data)
{
    *(AS_PTR(uint32_t, addr)) = data;
}

inline uint32_t mem_read(uint32_t addr)
{
    return *(AS_PTR(uint32_t, addr));
}