Chroma/chroma/system/memory/legacyphysmem.c
2020-11-26 04:03:41 +00:00

54 lines
1.2 KiB
C

size_t AllocateFrame() {
size_t FreePage = SeekFrame();
SET_BIT(FreePage);
return FreePage;
}
void FreeFrame(size_t Frame) {
UNSET_BIT(Frame);
}
size_t SeekFrame() {
for(size_t i = 0; i < MemoryPages; i++) {
if(!READ_BIT(i))
return i;
}
SerialPrintf("Memory manager: Critical!\r\n");
return (size_t) -1;
}
void MemoryTest() {
SerialPrintf("Initializing basic memory test..\r\n");
bool Passed = true;
size_t FirstPage = SeekFrame();
/*(void* FirstPageAlloc = (void*)*/ AllocateFrame();
size_t SecondPage = SeekFrame();
/*void* SecondPageAlloc = (void*)*/ AllocateFrame();
if(!(FirstPage == 0 && SecondPage == 1)) {
Passed = false;
SerialPrintf("First iteration: Failed, First page %x, Second page %x.\r\n", FirstPage, SecondPage);
}
FreeFrame(SecondPage);
SecondPage = SeekFrame();
if(SecondPage != 1)
Passed = false;
FreeFrame(FirstPage);
FirstPage = SeekFrame();
if(FirstPage != 0)
Passed = false;
if(Passed)
SerialPrintf("Memory test passed.\r\n");
else {
SerialPrintf("Memory test failed.\r\n");
SerialPrintf("First page %x, Second page %x.\r\n", FirstPage, SecondPage);
}
}