src/mm/kernel_heap.c


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#include <mm/kernel_heap.h>
#include <mm/heap.h>
#include <toxic/config.h>
#include <toxic/vga.h>
#include <toxic/string.h>

struct heap kernel_heap;

struct heap_table kernel_heap_table;

void
kernel_heap_init()
{
	int ret;
	void *end = (void *)(KERNEL_HEAP_ADDR + KERNEL_HEAP_SIZE_BYTES);

	kernel_heap_table.entries = (unsigned char *)KERNEL_HEAP_TBL_ADDR;
	kernel_heap_table.count = KERNEL_HEAP_ENTRIES;

	ret = heap_create(&kernel_heap,
			  (void *)KERNEL_HEAP_ADDR,
			  end,
			  &kernel_heap_table);

	if (ret < 0)
		vprintl("Failed to create kernel's heap\n");
}

void * kmalloc(size_t size)
{
	return heap_malloc(&kernel_heap, size);
}

void *
kzalloc(size_t size)
{
	void * ptr = kmalloc(size);
	memset(ptr, 0, size);
	return ptr;
}

void kfree(void *ptr) {
	heap_free(&kernel_heap, ptr);
}