Huge restructure

1 files changed, 0 insertions, 64 deletions

diff --git a/kernel/paging.c b/kernel/paging.c
deleted file mode 100644
index 9d748ab..0000000
--- a/kernel/paging.c
+++ /dev/null
@@ -1,64 +0,0 @@
-#include <stddef.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include "heap.h"
-#include "isr.h"
-#include "paging.h"
-#include "panic.h"
-
-uint32_t *current_directory;
-
-static void page_fault(struct regs_t *regs)
-{
-    volatile uint32_t fault_addr;
-    asm("mov %%cr2, %0" : "=r"(fault_addr));
-    printf("=== Page Fault ===\n");
-    printf("Faulting address: 0x%x\n", fault_addr);
-    /* dump the regs */
-    printf("EAX: 0x%x EBX: 0x%x\n", regs->eax, regs->ebx);
-    printf("ECX: 0x%x EDX: 0x%x\n", regs->ecx, regs->edx);
-    printf("ESP: 0x%x EBP: 0x%x\n", regs->esp, regs->ebp);
-    printf("ESI: 0x%x EDI: 0x%x\n", regs->esi, regs->edi);
-    printf("EIP: 0x%x\n", regs->eip);
-    panic("Page fault!\n");
-}
-
- void paging_switch_directory(uint32_t *dir)
-{
-    current_directory = dir;
-    extern void do_paging_enable(uint32_t);
-    do_paging_enable((uint32_t)current_directory);
-}
-
-static uint32_t *identity_map_table(uint32_t start, int flags)
-{
-    /* make a page table */
-    uint32_t *table = kmalloc_a(0x1000);
-    /* identity map 4MB */
-    for(uint32_t i = start; i < start + 1024; ++i)
-    {
-        table[i - start] = (i * PAGE_SIZE) | flags;
-    }
-    return table;
-}
-
-void paging_init(void)
-{
-    uint32_t *kernel_directory = kmalloc_a(0x1000);
-    memset(kernel_directory, 0, 0x1000);
-    /* blank the kernel directory */
-    for(int i = 0; i < 1024; ++i)
-    {
-        kernel_directory[i] = PAGE_RW;
-    }
-
-    /* identity map all 4GB (and allocate all page tables) */
-    for(int i = 0; i < 1024; ++i)
-        kernel_directory[i] = (uint32_t)identity_map_table(i * 1024, PAGE_PRESENT | PAGE_RW) |
-            PAGE_PRESENT | PAGE_RW;
-
-    set_interrupt_handler(14, page_fault);
-
-    paging_switch_directory(kernel_directory);
-}