Mercurial > lcfOS

comparison cos/include/kernel.h @ 9:92ace1ca50a8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
64 bits kernel without interrupts but with printf in C
author windel
date Sun, 13 Nov 2011 12:47:47 +0100
parents
children fcdae30b2782
comparison
equal deleted inserted replaced
8:edd70006d3e4 9:92ace1ca50a8
1 #ifndef KERNEL_H
2 #define KERNEL_H
3
4 // Include common functions, available to all!
5 #define NULL ((void*)0)
6
7 // Type defs:
8 typedef unsigned int uint32_t;
9 typedef unsigned long long uint64_t;
10 typedef unsigned short ushort_t;
11 typedef unsigned char uchar_t;
12 typedef unsigned int uint_t;
13 typedef unsigned long ulong_t;
14 typedef unsigned long long ulonglong_t;
15 typedef unsigned long off_t;
16 typedef unsigned long size_t;
17
18 void printf(const char* fmt, ... );
19 void memset(void* ptr, uint32_t value, uint32_t num);
20 void memcpy(void* dst, void* src, uint32_t num);
21
22 // memory alloc functions:
23 void* malloc(size_t size);
24 void free(void* ptr);
25
26 void clear_screen();
27 void init_screen();
28 void print_string(const char *);
29
30 // For IO ports:
31 unsigned char inb(unsigned short);
32 void outb(unsigned short, unsigned char);
33
34 void setupIDT(void);
35 void PICremap(void);
36 // Assembler util functions:
37 void enableinterrupts(void);
38 void callint49(void);
39 void doCPUID(int eax, int *ebx, int *ecx, int *edx);
40
41 // Keyboard driver:
42 void keyboardDriverUpdate(unsigned char scancode);
43 void timerDriverUpdate(void);
44
45 // Memory functions:
46 void mappage(uint32_t address);
47
48 int querymode(void);
49 int getcs(void);
50 void loadPageTable(void* tableAddress);
51 void enablePaging(void);
52
53 struct multiboot_aout_symbol_table {
54 uint32_t tabsize;
55 uint32_t strsize, addr, reserved;
56 };
57
58 struct multiboot_info {
59 uint32_t flags; // Multiboot flags / version
60 uint32_t mem_lower; // available memory from BIOS
61 uint32_t mem_upper;
62 uint32_t boot_device;
63 uint32_t cmdline; // COmmand line
64 uint32_t mods_count;
65 uint32_t mods_addr;
66 union {
67 struct multiboot_aout_symbol_table aout_sym;
68 } u;
69
70 uint32_t mmap_length;
71 uint32_t mmap_addr;
72 };
73
74 struct memory_map {
75 uint32_t size;
76 uint32_t baselow, basehigh;
77 uint32_t lenlow, lenhigh;
78 uint32_t type;
79 };
80
81 typedef struct {
82 char name[32]; // Name of the console
83 unsigned char screendata[80*25]; // All chars in the console!
84 } console_t;
85
86 typedef struct {
87 uint32_t esp;
88 uint32_t ss;
89 uint32_t kstack;
90 uint32_t ustack;
91 uint32_t cr3;
92
93 uint32_t number;
94 uint32_t parent;
95 uint32_t owner;
96 uint32_t groups;
97 uint32_t timetorun;
98 uint32_t sleep;
99 uint32_t priority;
100 uint32_t filehandle;
101 char naam[32];
102
103 console_t *console;
104 } programma_t;
105
106 #endif
107