Mercurial > lcfOS

comparison cos/kernel/kernel.h @ 17:f3e3e0e9c4bc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
First attempt IDT loader 64 bits. INT13 occurs
author windel
date Sat, 19 Nov 2011 20:01:28 +0100
parents a58904747019
children b1fed2171e1a
comparison
equal deleted inserted replaced
16:ddefe6d97cd7 17:f3e3e0e9c4bc
3 3
4 // Include common functions, available to all! 4 // Include common functions, available to all!
5 #define NULL ((void*)0) 5 #define NULL ((void*)0)
6 6
7 // Type defs: 7 // Type defs:
8 typedef unsigned char uint8_t;
9 typedef unsigned short uint16_t;
8 typedef unsigned int uint32_t; 10 typedef unsigned int uint32_t;
9 typedef unsigned long long uint64_t; 11 typedef unsigned long int 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 12
13 // IDT related structures:
14 typedef struct {
15 uint16_t baseLow;
16 uint16_t selector;
17 uint8_t reserved1;
18 uint8_t flags;
19 uint16_t baseMid;
20 uint32_t baseHigh;
21 uint32_t reserved2;
22 } __attribute__((packed)) IDT_entry;
23
24 typedef struct {
25 uint16_t limit;
26 uint64_t base;
27 } __attribute__((packed)) idtPointer;
28
29 // memory alloc functions:
30 void* malloc(uint64_t size);
31 void free(void* ptr);
32
33 // STDout funcs:
18 void printf(const char* fmt, ... ); 34 void printf(const char* fmt, ... );
19 void memset(void* ptr, uint32_t value, uint32_t num); 35 void memset(void* ptr, uint32_t value, uint32_t num);
20 void memcpy(void* dst, void* src, uint32_t num); 36 void memcpy(void* dst, void* src, uint32_t num);
21 37
22 struct IDT_entry { 38 // Screen related:
23 unsigned char b[8];
24 };
25
26 // memory alloc functions:
27 void* malloc(size_t size);
28 void free(void* ptr);
29
30 void clear_screen(); 39 void clear_screen();
31 void init_screen(); 40 void init_screen();
32 void print_string(const char *); 41 void print_string(const char *);
33 42
34 // For IO ports: 43 // For IO ports:
35 unsigned char inb(unsigned short); 44 uint8_t inb(uint16_t);
36 void outb(unsigned short, unsigned char); 45 uint16_t inw(uint16_t);
46 void outb(uint16_t, uint8_t);
47
48 // Interrupt functions:
49 void setupIDT(void);
50 void PICremap(void);
37 51
38 // ASM helper: 52 // ASM helper:
39 int loadIDT(struct IDT_entry *table, unsigned short size); 53 void loadIDT(void);
54
55 // Panic exit:
40 void halt(void); 56 void halt(void);
41 57
42 void setupIDT(void); 58 // Bochs xchg bx,bx breakpoint:
43 void PICremap(void); 59 void magicBochsBreak();
60
44 // Assembler util functions: 61 // Assembler util functions:
45 void enableinterrupts(void);
46 void callint49(void);
47 void doCPUID(int eax, int *ebx, int *ecx, int *edx); 62 void doCPUID(int eax, int *ebx, int *ecx, int *edx);
48 63
49 // Keyboard driver: 64 // Keyboard driver:
50 void keyboardDriverUpdate(unsigned char scancode); 65 void keyboardDriverUpdate(unsigned char scancode);
51 void timerDriverUpdate(void); 66 void timerDriverUpdate(void);
52 67
53 // Memory functions: 68 // Memory functions:
54 void mappage(uint32_t address); 69 void mappage(uint64_t address);
55 70
56 int querymode(void); 71 int querymode(void);
57 int getcs(void); 72 int getcs(void);
58 void loadPageTable(void* tableAddress); 73 void loadPageTable(void* tableAddress);
59 void enablePaging(void); 74 void enablePaging(void);