PoliEcho/kern
1
0
Fork 0
forked from PoliEcho-holding-org/kern
Code Pull Requests Activity

Moved memory map stuff into physicalMemManager.h (should name it better)

Browse Source
This commit is contained in:
Tom-on
2024-04-25 19:19:50 +02:00
parent bd7889f22a
commit 71be1523b3
3 changed files with 48 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/kernel.c
+1 -35
View File
@@ -8,16 +8,10 @@
#include "disk.h"
#include "string.h"
#include "graphics.h"
#include "physicalMemManager.h" // TODO: Name this better
#define PROMPT "#> "
typedef struct smapEntry_s {
uint64_t baseAddress;
uint64_t length;
uint32_t type;
uint32_t acpiAttr;
} __attribute__ ((packed)) smapEntry_t;
char* filetable = (char*)0x7000; // Pretty sure we don't have to care about the bootloader at 0x7c00
// Function declarations
@@ -292,31 +286,3 @@ void printFiletable(char* ft) {
}
}
void printPhysicalMemmap() {
uint32_t entryCount = *(uint32_t*)0x8500;
smapEntry_t* smapEntry = (smapEntry_t*)0x8504;
for (uint32_t i = 0; i < entryCount; i++) {
print("Region ");
if (i) print(itoa(i, 10));
else print("0");
print(": base: 0x");
print(itoa(smapEntry->baseAddress, 16));
print(" length: 0x");
print(itoa(smapEntry->length, 16));
print(" type: 0x");
print(itoa(smapEntry->type, 16));
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++;
}
}