+++ /dev/null
-/*!
- \file boot.c
- \Desc Kernel and Setting.
- (C) 2014 VOSystems.
-*/
-
-#include<multiboot.h>
-#include<VaneOS.h>
-#include<KeyBoard.h>
-#include<Interrupt.h>
-#include<GDT_IDT.h>
-#include<stdio.h>
-#include<scancode.h>
-#include<memory.h>
-
-/*PROTOTYPE*/
-void outPortByte( unsigned short address, unsigned char value );
-unsigned char inPortByte( unsigned short address );
-void initPIC( void );
-int setPitCounter( int freq, unsigned char counter, unsigned char mode );
-void initPit( void );
-void clear_state(void);
-
-/*!
- load.S call this function
-
- Set All & Call shell
- (C)2014 VOSystems.
- \create 2014/09/23
- \update 2014/09/27
- \author 2m
-*/
-void cstart(unsigned long magic, mbi_t* info)
-{
- /*Common Settings*/
- char cmd[100]={0};
- struct MEMMAN *memman=(struct MEMMAN*)MEMMAN_ADDR;
-
- ClearScreen();
- scan_code=0; break_flag=0; system_key_code_flag=0;
- screen=(unsigned short*)0xb8000;//VRam Setting
- attr=WHITE;
-
- /*Start Set Main Code*/
- printf("VOSystems Vane Operating System [Version 0.2(build 300)]\n");
-
- /*Setting IDT*/
- setupInterruptGate(DEF_IDT_INT_NUM_IRQ1,KeyBoard_Interrupt_asm);//Register Keyboard interrupt handler
- setupInterruptGate(DEF_IDT_INT_NUM_IRQ0,Timer_Interrupt_asm);//Register Timer interrupt handler
- idtr.size = NUM_IDT * sizeof( GATE_DESCRIPTOR );
- idtr.base = ( GATE_DESCRIPTOR *)idt;
-
- load_idt();
- printOK("Setting IDT.....");
-
- /*Setting GDT*/
- /*set up null descriptor*/
- gdt[NULL_DESCRIPTOR].limitLo = DEF_GDT_NULL_LIMIT;
- gdt[NULL_DESCRIPTOR].baseLo = DEF_GDT_NULL_BASELO;
- gdt[NULL_DESCRIPTOR].baseMid = DEF_GDT_NULL_BASEMID;
- gdt[NULL_DESCRIPTOR].flags = DEF_GDT_NULL_FLAGS;
- gdt[NULL_DESCRIPTOR].baseHi = DEF_GDT_NULL_BASEHI;
- /* set up code descriptor */
- gdt[CODE_DESCRIPTOR].limitLo = DEF_GDT_CODE_LIMIT;
- gdt[CODE_DESCRIPTOR].baseLo = DEF_GDT_CODE_BASELO;
- gdt[CODE_DESCRIPTOR].baseMid = DEF_GDT_CODE_BASEMID;
- gdt[CODE_DESCRIPTOR].flags = DEF_GDT_CODE_FLAGS;
- gdt[CODE_DESCRIPTOR].baseHi = DEF_GDT_CODE_BASEHI;
-
- /* set up data descriptor */
- gdt[DATA_DESCRIPTOR].limitLo = DEF_GDT_DATA_LIMIT;
- gdt[DATA_DESCRIPTOR].baseLo = DEF_GDT_DATA_BASELO;
- gdt[DATA_DESCRIPTOR].baseMid = DEF_GDT_DATA_BASEMID;
- gdt[DATA_DESCRIPTOR].flags = DEF_GDT_DATA_FLAGS;
- gdt[DATA_DESCRIPTOR].baseHi = DEF_GDT_DATA_BASEHI;
-
- gdtr.size = NUM_GDT * sizeof( SEGMENT_DESCRIPTOR );
- gdtr.base = ( SEGMENT_DESCRIPTOR *)gdt;
-
- load_gdt();
- printOK("Setting GDT.....");
-
- initPIC();
- printOK("Init PIC.....");
-
- initKeyboard();
- keyboardEnableKBD();
- printOK("Init Keyboard.....");
-
- setPitCounter(100,DEF_PIT_COM_COUNTER0,DEF_PIT_COM_MODE_SQUAREWAVE);
- initPit();
- printOK("Init PIT.....");
-
- memman_init(memman);
- memman_free(memman,0x00001000,0x0009e000);
- memman_free(memman,0x00400000,((info->mem_lower+info->mem_upper)*1024)-0x00400000);
- printOK("Starting Memory Manager.....");
-
- unsigned int info->
- int* fat=(int*)memman_alloc_4k(memman,4*2880);
- file_readfat(fat,(unsigned char*)(ADR_DISKIMG+0x000200));
- printOK("Loading FAT File System.....");
-
- if(magic!=MULTIBOOT_BOOTLOADER_MAGIC){
- printFAIL("Loading Memory Info.....");
-
- }else{
- printOK("Loading Memory Info.....");
-
- }
- printf("\nLowMemory = %d KiB , UpperMemory = %d KiB , TotalMemory = %d MiB\n\n",info->mem_lower,
- info->mem_upper,(info->mem_lower+info->mem_upper+1024)/1024);
- printf("Free Memory = %d MiB\n",memman_total(memman)/(1024*1024));
-
- puts("KernelShell/Root/>");
- scanf("%s",&cmd);
- printf("%s",cmd);
- while(1);
- return;
-}
-
-void outPortByte( unsigned short address, unsigned char value )
-{
- __asm__ __volatile__( "out %%dx, %%al" : : "d"(address), "a"(value) );
-}
-
-unsigned char inPortByte( unsigned short address )
-{
- unsigned char data;
-
- __asm__ __volatile__( "mov %%dx, %%ax" : : "a"(address) );
- __asm__ __volatile__( "in %al, %dx" );
- __asm__ __volatile__( "mov %%bl, %%al" : "=b"(data) );
- return( data );
-}
-
-void initPIC( void )
-{
- disable();
-
- outPortByte( PORT_MASTER_PIC_COMMAND, PIC_ICW1 );
- outPortByte( PORT_SLAVE_PIC_COMMAND, PIC_ICW1 );
-
- outPortByte( PORT_MASTER_PIC_DATA, PIC_MASTER_ICW2 );
- outPortByte( PORT_SLAVE_PIC_DATA, PIC_SLAVE_ICW2 );
-
- outPortByte( PORT_MASTER_PIC_DATA, PIC_MASTER_ICW3 );
- outPortByte( PORT_SLAVE_PIC_DATA, PIC_SLAVE_ICW3 );
-
- outPortByte( PORT_MASTER_PIC_DATA, PIC_MASTER_ICW4 );
- outPortByte( PORT_SLAVE_PIC_DATA, PIC_SLAVE_ICW4 );
-
- outPortByte( PORT_MASTER_PIC_IMR, (~PIC_IMR_MASK_IRQ0) & (~PIC_IMR_MASK_IRQ2 ) );
- outPortByte( PORT_SLAVE_PIC_IMR, PIC_IMR_MASK_IRQ_ALL );
-
- outPortByte( PORT_MASTER_PIC_IMR, ( ~PIC_IMR_MASK_IRQ0 )
- & ( ~PIC_IMR_MASK_IRQ1 ) & ( ~PIC_IMR_MASK_IRQ2 ) );
- outPortByte( PORT_SLAVE_PIC_IMR, PIC_IMR_MASK_IRQ_ALL );
-
- enable();
-}
-
-int setPitCounter( int freq, unsigned char counter, unsigned char mode )
-{
- unsigned short count;
- unsigned char command;
-
- /* --------------------------------------------------------------------- */
- /* calculate frequency */
- /* --------------------------------------------------------------------- */
- count = ( unsigned short )( DEF_PIT_CLOCK / freq );
-
- /* --------------------------------------------------------------------- */
- /* make initial command */
- /* --------------------------------------------------------------------- */
- command = mode | DEF_PIT_COM_RL_DATA | counter;
-
- outPortByte( PIT_REG_CONTROL, command );
-
- /* --------------------------------------------------------------------- */
- /* send counter value */
- /* --------------------------------------------------------------------- */
- outPortByte( PIT_REG_COUNTER0, ( unsigned char )( count & 0xFF ) );
- outPortByte( PIT_REG_COUNTER0, ( unsigned char )( ( count >> 8 ) & 0xFF ) );
-}
-
-/*
- Funtion :initPit
- Input :void
- Output :void
- Return :void
-
- Description :initialize pic
-*/
-void initPit( void )
-{
- /* --------------------------------------------------------------------- */
- /* set counter0 100Hz */
- /* --------------------------------------------------------------------- */
- setPitCounter( 100, DEF_PIT_COM_COUNTER0, DEF_PIT_COM_MODE_SQUAREWAVE );
-}
+++ /dev/null
-#ifndef MULTIBOOT_HEADER
-#define MULTIBOOT_HEADER 1
-
-#define MULTIBOOT_SEARCH 8192
-#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
-#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
-#define MULTIBOOT_UNSUPPORTED 0x0000fffc
-#define MULTIBOOT_MOD_ALIGN 0x00001000
-#define MULTIBOOT_INFO_ALIGN 0x00000004
-#define MULTIBOOT_PAGE_ALIGN 0x00000001
-#define MULTIBOOT_MEMORY_INFO 0x00000002
-#define MULTIBOOT_VIDEO_MODE 0x00000004
-#define MULTIBOOT_AOUT_KLUDGE 0x00010000
-#define MULTIBOOT_INFO_MEMORY 0x00000001
-#define MULTIBOOT_INFO_BOOTDEV 0x00000002
-#define MULTIBOOT_INFO_CMDLINE 0x00000004
-#define MULTIBOOT_INFO_MODS 0x00000008
-#define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
-#define MULTIBOOT_INFO_ELF_SHDR 0X00000020
-#define MULTIBOOT_INFO_MEM_MAP 0x00000040
-#define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
-#define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
-#define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
-#define MULTIBOOT_INFO_APM_TABLE 0x00000400
-#define MULTIBOOT_INFO_VIDEO_INFO 0x00000800
-
-#ifndef ASM_FILE
-
-#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
-#define MULTIBOOT_HEADER_FLAGS 0x00000000
-#define MULTIBOOT_HEADER_CHECKSUM -(MULTIBOOT_HEADER_MAGIC+MULTIBOOT_HEADER_FLAGS)
-#define KERNEL_STACK_SIZE 0x100000
-
-#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
-
-
-typedef struct mbi_info {
- unsigned long flags;
- unsigned long mem_lower;
- unsigned long mem_upper;
- unsigned long boot_device;
- unsigned long cmdline;
- unsigned long mods_count;
- unsigned long mods_addr;
-
- // The section header table for ELF
- unsigned long num;
- unsigned long size;
- unsigned long addr;
- unsigned long shndx;
-
- unsigned long mmap_length;
- unsigned long mmap_addr;
-} __attribute__((__packed__)) mbi_t;
-
-// The memory map
-typedef struct memory_map {
- unsigned long size;
- unsigned long base_addr_low;
- unsigned long base_addr_high;
- unsigned long length_low;
- unsigned long length_high;
- unsigned long type;
-} __attribute__((__packed__)) memory_map;
-
-#endif /* ! ASM_FILE */
-
-#endif /* ! MULTIBOOT_HEADER */
-
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