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comparison cos/kernel/kernel.h @ 25:d3c4bf3720a3

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Beginning of multitasking
author windel
date Tue, 27 Dec 2011 13:31:38 +0100
parents d8627924d40d
children dcce92b1efbc
comparison
equal deleted inserted replaced
24:d8627924d40d 25:d3c4bf3720a3
29 // memory alloc functions: 29 // memory alloc functions:
30 void init_heap(); 30 void init_heap();
31 void* kmalloc(uint64_t size); 31 void* kmalloc(uint64_t size);
32 void kfree(void* ptr); 32 void kfree(void* ptr);
33 33
34 // task related functions:
35 void initialize_tasking();
36 void new_task();
37 void task_scheduler();
38
34 // STDout funcs: 39 // STDout funcs:
35 void printf(const char* fmt, ... ); 40 void printf(const char* fmt, ... );
36 void memset(void* ptr, uint32_t value, uint32_t num); 41 void memset(void* ptr, uint32_t value, uint32_t num);
37 void memcpy(void* dst, void* src, uint32_t num); 42 void memcpy(void* dst, void* src, uint32_t num);
38 int strncmp(const char* s1, const char* s2, int size); 43 int strncmp(const char* s1, const char* s2, int size);
54 void setupIDT(void); 59 void setupIDT(void);
55 void PICremap(void); 60 void PICremap(void);
56 61
57 // ASM helper: 62 // ASM helper:
58 void loadIDT(void); 63 void loadIDT(void);
64 uint64_t read_rip();
59 65
60 // Panic exit: 66 // Panic exit:
61 void halt(void); 67 void halt(void);
62 void panic(char *msg); 68 void panic(char *msg);
63 69
76 uint64_t getTimeMS(); 82 uint64_t getTimeMS();
77 83
78 // Memory functions: 84 // Memory functions:
79 void mappage(uint64_t address); 85 void mappage(uint64_t address);
80 86
81 int querymode(void);
82 void loadPageTable(void* tableAddress); 87 void loadPageTable(void* tableAddress);
83 88
84 // Variable argument list things: 89 // Variable argument list things:
85 #define va_start(v,l) __builtin_va_start(v,l) 90 #define va_start(v,l) __builtin_va_start(v,l)
86 #define va_end(v) __builtin_va_end(v) 91 #define va_end(v) __builtin_va_end(v)
120 { 125 {
121 char name[32]; // Name of the console 126 char name[32]; // Name of the console
122 unsigned char screendata[80*25]; // All chars in the console! 127 unsigned char screendata[80*25]; // All chars in the console!
123 } console_t; 128 } console_t;
124 129
125 typedef struct { 130 typedef struct task_t {
126 uint32_t esp; 131 struct task_t* next;
127 uint32_t ss;
128 uint32_t kstack; 132 uint32_t kstack;
129 uint32_t ustack; 133 uint32_t ustack;
130 uint32_t cr3;
131 134
132 uint32_t number; 135 uint64_t cr3;
136 uint64_t rip;
137 uint64_t rsp;
138 uint64_t rbp;
139
140 uint32_t pid;
133 uint32_t parent; 141 uint32_t parent;
134 uint32_t owner; 142 uint32_t owner;
135 uint32_t groups; 143 uint32_t groups;
136 uint32_t timetorun; 144 uint32_t timetorun;
137 uint32_t sleep; 145 uint32_t sleep;
138 uint32_t priority; 146 uint32_t priority;
139 uint32_t filehandle; 147 uint32_t filehandle;
140 char naam[32]; 148 char naam[32];
141 149
142 console_t *console; 150 console_t *console;
143 } programma_t; 151 } task_t;
144 152
145 #endif 153 #endif
146 154