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1 #ifndef KERNEL_H
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2 #define KERNEL_H
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3
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4 // Include common functions, available to all!
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5 #define NULL ((void*)0)
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6
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7 // Type defs:
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8 typedef unsigned int uint32_t;
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9 typedef unsigned long long uint64_t;
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10 typedef unsigned short ushort_t;
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11 typedef unsigned char uchar_t;
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12 typedef unsigned int uint_t;
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13 typedef unsigned long ulong_t;
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14 typedef unsigned long long ulonglong_t;
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15 typedef unsigned long off_t;
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16 typedef unsigned long size_t;
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17
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18 void printf(const char* fmt, ... );
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19 void memset(void* ptr, uint32_t value, uint32_t num);
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20 void memcpy(void* dst, void* src, uint32_t num);
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21
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22 // memory alloc functions:
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23 void* malloc(size_t size);
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24 void free(void* ptr);
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25
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26 void clear_screen();
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27 void init_screen();
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28 void print_string(const char *);
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29
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30 // For IO ports:
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31 unsigned char inb(unsigned short);
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32 void outb(unsigned short, unsigned char);
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33
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34 void setupIDT(void);
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35 void PICremap(void);
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36 // Assembler util functions:
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37 void enableinterrupts(void);
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38 void callint49(void);
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39 void doCPUID(int eax, int *ebx, int *ecx, int *edx);
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40
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41 // Keyboard driver:
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42 void keyboardDriverUpdate(unsigned char scancode);
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43 void timerDriverUpdate(void);
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44
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45 // Memory functions:
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46 void mappage(uint32_t address);
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47
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48 int querymode(void);
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49 int getcs(void);
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50 void loadPageTable(void* tableAddress);
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51 void enablePaging(void);
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52
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12
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53 // Variable argument list things:
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54 #define va_start(v,l) __builtin_va_start(v,l)
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55 #define va_end(v) __builtin_va_end(v)
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56 #define va_arg(v,l) __builtin_va_arg(v,l)
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57 typedef __builtin_va_list va_list;
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58
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9
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59 struct multiboot_aout_symbol_table {
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60 uint32_t tabsize;
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61 uint32_t strsize, addr, reserved;
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62 };
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63
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64 struct multiboot_info {
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65 uint32_t flags; // Multiboot flags / version
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66 uint32_t mem_lower; // available memory from BIOS
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67 uint32_t mem_upper;
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68 uint32_t boot_device;
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69 uint32_t cmdline; // COmmand line
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70 uint32_t mods_count;
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71 uint32_t mods_addr;
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72 union {
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73 struct multiboot_aout_symbol_table aout_sym;
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74 } u;
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75
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76 uint32_t mmap_length;
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77 uint32_t mmap_addr;
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78 };
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79
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80 struct memory_map {
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81 uint32_t size;
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82 uint32_t baselow, basehigh;
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83 uint32_t lenlow, lenhigh;
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84 uint32_t type;
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85 };
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86
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87 typedef struct {
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88 char name[32]; // Name of the console
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89 unsigned char screendata[80*25]; // All chars in the console!
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90 } console_t;
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91
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92 typedef struct {
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93 uint32_t esp;
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94 uint32_t ss;
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95 uint32_t kstack;
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96 uint32_t ustack;
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97 uint32_t cr3;
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98
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99 uint32_t number;
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100 uint32_t parent;
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101 uint32_t owner;
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102 uint32_t groups;
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103 uint32_t timetorun;
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104 uint32_t sleep;
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105 uint32_t priority;
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106 uint32_t filehandle;
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107 char naam[32];
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108
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109 console_t *console;
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110 } programma_t;
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111
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112 #endif
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113
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