KERNEL: Implementing VMM & cleaning up
Folders now are alll lower case Started working on the implementation of the Virtual memory manager. Implemented allocate and free page funtionality for as far as I can atm. Implemented the
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72
source/kernel/supervisorterminal/superVisorTerminal.cpp
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72
source/kernel/supervisorterminal/superVisorTerminal.cpp
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#include "superVisorTerminal.h"
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void startSuperVisorTerminal(){
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while (true){
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printf("SUPERVISOR:>$ " );
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int characterCount = 0;
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char command[10] = "";
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// NOTE: lets just show a kernel prompt
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uint8_t ScanCode = getKey();
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while( ScanCode != 0x1C )
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{
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char character = getASCIIKey();
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kterm_put(character );
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// wHAT THE HELL
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if( characterCount < 10 ){
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command[characterCount] = character;
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characterCount++;
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}
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ScanCode = getKey();
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}
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printf("\n");
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KeyHandled();
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if ( strncmp("DATE", command , characterCount ) == 0 )
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{
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read_rtc();
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printf("======= Time & Date ==========\n");
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printf(" - Date: %02d-%02d-%02d\n",day, month, year);
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printf(" - Time: %02d:%02d:%02d\n" , hour, minute, second);
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printf(" - Ticks: %09d\n", pit_tick);
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}
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else if( strncmp ("MEMORY" , command , characterCount) == 0 )
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{
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// Show memory layout
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printf("========= Memory ==========\n");
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printf("Not Available!\n");
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printf("Kernel MemoryMap:\n");
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printf("Frames used: -- \n");
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printf("Available Memory:-- \n");
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printf("Reserved Memory: -- bytes\n");
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}
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else if(strncmp("TEST", command, characterCount) == 0)
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{
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// TEST #DE exception
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asm volatile ("MOV $4, %AX ; MOV $0, %BX ; DIV %BX"); // IRS 0
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}
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else if (strncmp("VERSION", command , characterCount) == 0)
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{
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// Show version information
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printf("========= Version ========\n");
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printf("Kernel v%d\n", 0);
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}
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else if(strncmp("CLEAR", command, characterCount) == 0)
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{
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kterm_init();
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printf("|=== BarinkOS ===|\n");
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}
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else
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{
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printf("Unknown command\n");
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}
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delay(1000);
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}
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}
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8
source/kernel/supervisorterminal/superVisorTerminal.h
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8
source/kernel/supervisorterminal/superVisorTerminal.h
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#pragma once
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#include "../terminal/kterm.h"
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#include "../time.h"
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#include "../drivers/pit/pit.h"
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#include "../drivers/ps-2/keyboard.h"
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#include "../memory/PhysicalMemoryManager.h"
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void startSuperVisorTerminal();
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