OSを作ってみよう (534ﾚｽ)
上下前次1-新
36: 03/02/28 15:37 AAS
/*** NoName\include\sys\cpu.h ***/
extern void make_seg_desc(SegDesc *desc, unsigned int addr, unsigned int limit, char type, char dpl);
extern void make_gate_desc(GateDesc *desc, int selector, void *entry, char type, char dpl);
extern void make_tss_desc(SegDesc *desc, unsigned int addr, unsigned int limit, char dpl);
extern void make_desc_ptr(DescPtr *ptr, unsigned int limit, void *base);
extern void cpu_initialize(void);
#endif_ese_sys_cpu_h_
37: 03/02/28 15:39 AAS
/*** NoName\include\sys\elf.h ***/
#ifndef_elf_h_
#define_elf_h_
#defineEI_MAG00
#defineEI_MAG11
#defineEI_MAG22
#defineEI_MAG33
#defineEI_CLASS4
#defineEI_DATA5
#defineEI_VERSION6
省7
38: 03/02/28 15:39 AAS
/*** NoName\include\sys\elf.h ***/
#defineIS_ELF(ehdr)((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
(ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
(ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
(ehdr).e_ident[EI_MAG3] == ELFMAG3)
typedefunsigned intElf32_Addr;
typedefunsigned shortElf32_Half;
typedefunsigned intElf32_Off;
typedefunsigned intElf32_Sword;
typedefunsigned intElf32_Word;
省1
39: 03/02/28 15:40 AAS
/*** NoName\include\sys\elf.h ***/
typedef struct {
unsigned chare_ident[EI_NIDENT];
Elf32_Halfe_type;
Elf32_Halfe_machine;
Elf32_Worde_version;
Elf32_Addre_entry;
Elf32_Offe_phoff;
Elf32_Offe_shoff;
Elf32_Worde_flags;
省7
40: 03/02/28 15:40 AAS
/*** NoName\include\sys\elf.h ***/
typedef struct {
Elf32_Wordsh_name;
Elf32_Wordsh_type;
Elf32_Wordsh_flags;
Elf32_Addrsh_addr;
Elf32_Offsh_offset;
Elf32_Sizesh_size;
Elf32_Wordsh_link;
Elf32_Wordsh_info;
省3
41: 03/02/28 15:41 AAS
/*** NoName\include\sys\elf.h ***/
typedef struct {
Elf32_Wordp_type;
Elf32_Offp_offset;
Elf32_Addrp_vaddr;
Elf32_Addrp_paddr;
Elf32_Sizep_filesz;
Elf32_Sizep_memsz;
Elf32_Wordp_flags;
Elf32_Sizep_align;
省2
42: 03/02/28 15:42 AAS
/*** NoName\include\sys\kernel.h ***/
#ifndef_ese_sys_kernel_h_
#define_ese_sys_kernel_h_
#include <sys/typedef.h>
#include <sys/task.h>
#include <sys/memory.h>
#include <sys/aspace.h>
#include <sys/core.h>
#include <sys/cpu.h>
#include <sys/util.h>
省1
43: 03/02/28 15:42 AAS
/*** NoName\include\sys\memory.h ***/
#ifndef_ese_sys_memory_h_
#define_ese_sys_memory_h_
extern unsigned int memory_upper;
extern unsigned int num_free_page;
extern void memory_initialize(unsigned int upper);
extern void reserve_memory(unsigned int start, unsigned int size);
extern void *alloc_page(void);
extern void free_page(void *page);
extern sys_grow_heap(Task *self, int size);
省1
44: 03/02/28 15:44 AAS
/*** NoName\include\sys\multiboot.h ***/
/* multiboot.h - the header for Multiboot */
/* Copyright (C) 1999 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
省4
45: 03/02/28 15:44 AAS
/*** NoName\include\sys\multiboot.h ***/
/* Macros. */
/* The magic number for the Multiboot header. */
#define MULTIBOOT_HEADER_MAGIC0x1BADB002
/* The flags for the Multiboot header. */
#define MULTIBOOT_HEADER_FLAGS0x00010003
/* The magic number passed by a Multiboot-compliant boot loader. */
#define MULTIBOOT_BOOTLOADER_MAGIC0x2BADB002
省8
46: 03/02/28 15:45 AAS
/*** NoName\include\sys\multiboot.h ***/
#ifndef ASM
/* Do not include here in boot.S. */
/* Types. */
/* The Multiboot header. */
typedef struct multiboot_header
{
unsigned long magic;
unsigned long flags;
unsigned long checksum;
省6
47: 03/02/28 15:45 AAS
/*** NoName\include\sys\multiboot.h ***/
/* The symbol table for a.out. */
typedef struct aout_symbol_table
{
unsigned long tabsize;
unsigned long strsize;
unsigned long addr;
unsigned long reserved;
} aout_symbol_table_t;
/* The section header table for ELF. */
省7
48: 03/02/28 15:46 AAS
/*** NoName\include\sys\multiboot.h ***/
/* The Multiboot information. */
typedef struct multiboot_info
{
unsigned long flags;
unsigned long mem_lower;
unsigned long mem_upper;
unsigned long boot_device;
unsigned long cmdline;
unsigned long mods_count;
省17
49: 03/02/28 15:46 AAS
/*** NoName\include\sys\multiboot.h ***/
/* The memory map. Be careful that the offset 0 is base_addr_low
but no size. */
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;
省3
50: 03/02/28 15:48 AAS
/*** NoName\include\sys\queue.h ***/
/*
* TOPPERS/JSP Kernel
* Toyohashi Open Platform for Embedded Real-Time Systems/
* Just Standard Profile Kernel
*
* Copyright (C) 2000 by Embedded and Real-Time Systems Laboratory
* Toyohashi Univ. of Technology, JAPAN
*
* 上記著作権者は，以下の条件を満たす場合に限り，本ソフトウェア（本ソ
省21
51: 03/02/28 15:49 AAS
/*** NoName\include\sys\queue.h ***/
/*
*キュー操作ライブラリ
*
* このキュー操作ライブラリでは，キューヘッダを含むリング構造のダブル
* リンクキューを扱う．具体的には，キューヘッダの次エントリはキューの
* 先頭のエントリ，前エントリはキューの末尾のエントリとする．また，キ
* ューの先頭のエントリの前エントリと，キューの末尾のエントリの次エン
* トリは，キューヘッダとする．空のキューは，次エントリ，前エントリと
* も自分自身を指すキューヘッダであらわす．
省10
52: 03/02/28 15:49 AAS
/*** NoName\include\sys\queue.h ***/
/*
* キューの初期化
*
* queue にはキューヘッダを指定する．
*/
Inline void
queue_initialize(QUEUE *queue)
{
queue->prev = queue->next = queue;
省15
53: 03/02/28 15:50 AAS
/*** NoName\include\sys\queue.h ***/
/*
* エントリの削除
*
* entry をキューから削除する．
*/
Inline void
queue_delete(QUEUE *entry)
{
entry->prev->next = entry->next;
省9
54: 03/02/28 15:50 AAS
/*** NoName\include\sys\queue.h ***/
Inline QUEUE *
queue_delete_next(QUEUE *queue)
{
QUEUE*entry;
//assert(queue->next != queue);
entry = queue->next;
queue->next = entry->next;
entry->next->prev = queue;
return(entry);
省16
55: 03/02/28 15:51 AAS
/*** NoName\include\sys\task.h ***/
#ifndef_ese_sys_task_h_
#define_ese_sys_task_h_
#include <sys/queue.h>
#defineNumTask16
#defineTaskKernelStackSize(8*1024)
#defineTaskUserStackSize(256*1024)
省8
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