52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
#ifndef __KERNEL_UTIL_H__
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# define __KERNEL_UTIL_H__
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#include <stddef.h>
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#include <stdint.h>
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// String function
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extern void *memset(void *s, int c, size_t n);
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extern void *memcpy(void *dest, const void *src, size_t count);
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extern char *strncpy(char *dest, char const *str, size_t size);
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extern size_t strnlen(char const *str, size_t maxlen);
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extern int strcmp(const char *s1, const char *s2);
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extern int strncmp(const char *s1, const char *s2, size_t n);
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extern char *strrchr(const char *s1, int c);
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extern size_t strlen(char const *str);
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// Video RAM functions
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extern void kvram_clear(void);
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extern void kvram_display(void);
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extern void kvram_scroll(int lines);
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extern void kvram_ascii(int x, int y, char const c);
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extern void kvram_reverse(int x, int y, int width, int height);
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extern void kvram_clr_str_area(int x, int y, int width, int height);
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// Kernel printf-wrapper
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extern void printk(int x, int y, char const *str, ...);
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// Hardware specific function (do not use !)
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extern void t6k11_lcd_driver(void *vram);
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extern void t6k11_variant_lcd_driver(uint8_t *vram);
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//---
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// Timer functions.
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//---
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#define TIMER_NUMBER 3
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#define TIMER_UNUSED 0xff
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struct timer_cache_s
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{
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void *callback;
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volatile void *arg;
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uint8_t status;
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};
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extern int timer_uninstall(int timer_ID);
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extern int timer_install(void *callback, void *arg, uint32_t ticks, uint8_t mode);
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extern int timer_start(int timer_ID);
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// Debug wait
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#define DBG_WAIT for(int i = 0 ; i < 3000000 ; i++)
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#endif /*__KERNEL_UTIL_H__*/
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