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Add basic paging. Only identity maps the bottom 4MB as a start.

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This commit is contained in:
Andreas Kling
2018-10-17 23:13:55 +02:00
parent 286e27ef40
commit 77299cf54d
5 changed files with 230 additions and 2 deletions
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5
Kernel/init.cpp
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@@ -22,6 +22,7 @@
#include <VirtualFileSystem/VirtualFileSystem.h>
#include <VirtualFileSystem/FileHandle.h>
#include <AK/OwnPtr.h>
#include "MemoryManager.h"
#if 0
/* Keyboard LED disco task ;^) */
@@ -67,7 +68,7 @@ static void user_main()
DO_SYSCALL_A3(0x3000, 2, 3, 4);
// Crash ourselves!
char* x = reinterpret_cast<char*>(0xbeefbabe);
*x = 1;
//*x = 1;
//HANG;
for (;;) {
// nothing?
@@ -103,6 +104,8 @@ void init()
gdt_init();
idt_init();
MemoryManager::initialize();
// Anything that registers interrupts goes *after* PIC and IDT for obvious reasons.
Syscall::initialize();
PIT::initialize();