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KERNEL: First Kernel heap implementation

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Nigel Barink
2022-09-03 17:27:29 +02:00
parent 656ca0baa8
commit a47879f404
8 changed files with 83 additions and 51 deletions
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15
source/kernel/kernel.cpp
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@ -38,11 +38,9 @@ extern "C" void kernel_main ()
extern "C" void early_main()
{
init_serial();
print_serial("Hello Higher half kernel!\n");
kterm_init();
printf("Allocated blocks: %d \n", GetUsedBlocks());
printf("Allocated blocks: 0x%x \n", GetUsedBlocks());
initGDT();
init_idt();
@ -53,8 +51,12 @@ extern "C" void early_main()
initHeap();
printf("TRY ALLOCATING 4 BYTES\n");
uint32_t* MyVariable = (uint32_t*) malloc(4); // allocate 4 bytes using my heap
free(MyVariable);
// test heap allocation
/*
struct KernelInfo {
int bar;
bool foo;
@ -64,9 +66,10 @@ extern "C" void early_main()
MyInfo->bar = 6;
MyInfo->foo = false;
printf("bar contains %d\n", MyInfo->bar);
free(MyInfo);
*/
printf("Enable Protected mode and jump to kernel main\n");