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https://github.com/KolibriOS/kolibrios.git
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37 lines
768 B
C
37 lines
768 B
C
#ifndef KOLIBRI_DEBUG_H
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#define KOLIBRI_DEBUG_H
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#include <_ansi.h>
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#include <reent.h>
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#include <stdio.h>
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#include <stdarg.h>
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/* Write a printf() like function (variable argument list) for
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writing to debug board */
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inline void debug_board_write_byte(const char ch){
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__asm__ __volatile__(
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"int $0x40"
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:
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:"a"(63), "b"(1), "c"(ch));
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}
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//added noninline because incofortabre stepping in in debugger
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void __attribute__ ((noinline)) debug_board_write_str(const char* str){
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while(*str)
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debug_board_write_byte(*str++);
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}
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void debug_board_printf(const char *format,...)
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{
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va_list ap;
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char log_board[300];
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va_start (ap, format);
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vsprintf(log_board, format, ap);
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va_end(ap);
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debug_board_write_str(log_board);
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}
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#endif /* KOLIBRI_DEBUG_H */
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