Daniel Hammer
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#include "Memmap.hpp"
|
|
#include <Terminal/Terminal.hpp>
|
|
#include <Common/Panic.hpp>
|
|
|
|
#include "Heap.hpp"
|
|
|
|
using namespace Kt;
|
|
|
|
namespace Memory {
|
|
LargestSection Scan(limine_memmap_response* mmap) {
|
|
LargestSection currentLargestSection{};
|
|
|
|
for (size_t i = 0; i < mmap->entry_count; i++) {
|
|
auto entry = mmap->entries[i];
|
|
|
|
if (entry->base == 0) {
|
|
continue;
|
|
}
|
|
|
|
if (entry->type == LIMINE_MEMMAP_USABLE) {
|
|
kout << "MemoryManagement: Found conventional memory section (size = " << base::dec << entry->length << " bytes, address = 0x" << base::hex << (uint64_t)entry->base << ")" << newline;
|
|
|
|
if (entry->length > currentLargestSection.size) {
|
|
currentLargestSection = {
|
|
.address = (uint64_t)entry->base,
|
|
.size = entry->length
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
[[unlikely]] if (currentLargestSection.address == 0) {
|
|
Panic("Couldn't find a usable memory section.", nullptr);
|
|
}
|
|
|
|
return currentLargestSection;
|
|
}
|
|
}; |