108 lines
2.1 KiB
C
108 lines
2.1 KiB
C
#pragma once
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#include <stddef.h>
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#include <uart.h>
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#ifndef LOGLEVEL
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#define LOGLEVEL 3
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#endif
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#define LOGGER_BUFLEN 0x100
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static inline char *_do_nothing(char *dest, const char *) { return dest; }
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static inline char *_logger_string(char *dest, const char *src)
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{
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while (*src != '\0')
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*dest++ = *src++;
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*dest = '\0';
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return dest;
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}
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static inline char *_logger_hex(char *dest, uint64_t x)
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{
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for (int n, c = 28; c >= 0; c -= 4) {
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n = (x >> c) & 0xf;
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n += (n > 9) ? 0x37 : 0x30;
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*dest++ = (char)n;
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}
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*dest = '\0';
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return dest;
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}
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static inline char *_logger_pointer(char *dest, void *x)
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{
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*dest++ = '0';
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*dest++ = 'x';
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return _logger_hex(dest, (uint64_t)x);
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}
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#define _I_HATE_C_LANG(msg) \
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logger_cur = _Generic((msg), \
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char * : _do_nothing, \
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const char *: _do_nothing, \
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default : _logger_string \
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)(logger_cur, #msg " = "); \
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logger_cur = _Generic((msg), \
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char * : _logger_string, \
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const char *: _logger_string, \
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uint64_t : _logger_hex, \
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default : _logger_pointer \
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)(logger_cur, msg)
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#define LOG(val) { \
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if (logger_cur != logger_buf) \
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logger_cur = _logger_string(logger_cur, ", "); \
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_I_HATE_C_LANG(val); \
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}
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#define FLUSH(prefix) { \
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uart_puts(prefix); \
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uart_puts(logger_buf); \
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uart_puts(ENDL); \
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logger_cur = logger_buf; \
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}
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#define CLEAN { \
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logger_cur = logger_buf; \
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}
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#if LOGLEVEL >= 0
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#define ERROR(val) { \
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LOG(val); \
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FLUSH("[ERROR]: "); \
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}
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#else
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#define ERROR(val) CLEAN
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#endif
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#if LOGLEVEL >= 1
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#define INFOR(val) { \
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LOG(val); \
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FLUSH("[INFOR]: "); \
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}
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#else
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#define INFOR(val) CLEAN
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#endif
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#if LOGLEVEL >= 2
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#define DEBUG(val) { \
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LOG(val); \
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FLUSH("[DEBUG]: "); \
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}
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#else // #if LOGLEVEL >= 2
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#define DEBUG(val) CLEAN
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#endif // #if LOGLEVEL >= 2
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// #define DEBUG_DTB(val) DEBUG(val)
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#define DEBUG_DTB(val) CLEAN
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#define DEBUG_EXCEP(val) DEBUG(val)
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// #define DEBUG_EXCEP(val) CLEAN
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// #define DEBUG_MEM(val) DEBUG(val)
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#define DEBUG_MEM(val) CLEAN
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// #define DEBUG_INITRD(val) DEBUG(val)
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#define DEBUG_INITRD(val) CLEAN
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extern char logger_buf[LOGGER_BUFLEN];
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extern char *logger_cur;
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