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Created physical memory manager. moved printMemoryMap to kernel

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Tom-on
2024-04-25 21:06:22 +02:00
parent 71be1523b3
commit 753c983c9d
5 changed files with 153 additions and 37 deletions
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src/kernel.c
+33
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@@ -286,3 +286,36 @@ void printFiletable(char* ft) {
}
}
void printPhysicalMemmap() {
uint32_t entryCount = *(uint32_t*)SMAP_ADDRESS;
smapEntry_t* smapEntry = (smapEntry_t*)(SMAP_ADDRESS+4);
for (uint32_t i = 0; i < entryCount; i++) {
print("Region ");
print(itoa(i, 10));
print(" - base: 0x");
print(itoa(smapEntry->baseAddress, 16));
print(" length: 0x");
print(itoa(smapEntry->length, 16));
print(" type: ");
print(itoa(smapEntry->type, 10));
switch (smapEntry->type) {
case 1: print(" (Available)"); break;
case 2: print(" (Reserved)"); break;
case 3: print(" (ACPI Reclaim)"); break;
case 4: print(" (ACPI NVS)"); break;
default: print(" (Reserved)"); break;
}
putc('\n');
smapEntry++;
}
smapEntry--; // We incremented it after the last entry
print("\nTotal memory: 0x");
print(itoa(smapEntry->baseAddress + smapEntry->length - 1, 16));
print(" Bytes\n");
}