MeirGavish
4d26f13c26
* Added function name logging to mgba_logger * Addendum to no-op defines * Fixed compile errors * Added "()" to function name in log to make it clearer it's a function * Corrected documentation * clang-format...? * Removed MGBA_LOG_LEVEL_MASK magic number * Added CHECK_NULL_ARG macros * clang-format...? * clang-format for real * Added documentation for CHECK_NULL_ARG_VOID and CHECK_NULL_ARG_RET * Fixed typo Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Fixed macro safety by wrappinh with do-while Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Fixed format string cut risk in mgba_func_printf * clang-format * clang-format some more * clang-format for real * Fixed DEBUG -> INFO in comment Co-authored-by: Rickey <ric@rf3.xyz> * Moved NULL-check macros to util.h and renamed them * Small additions - macro rename + clang-format * Truncate the string instead of the function name * Cleaned up code from previous commit * clang-format * Added mgba_logger_available check to mgba_func_printf * Updated documentation for latest change * Changed CHECK_NULL_ARG functions to generic RETURN_ON_ERROR_VAL functions. * clang-format * Changed back to specifically check NULL * clang-format * Changed "=" into "==" in the error message * clang-format * Fixed forgotten "==" --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Co-authored-by: Rickey <ric@rf3.xyz>
82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
#include "mgba_logger.h"
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#ifdef MGBA_LOGGING
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <tonc.h>
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#define MGBA_REG_DEBUG_ENABLE ((vu16*)0x4FFF780)
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#define MGBA_REG_DEBUG_FLAGS ((vu16*)0x4FFF700)
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#define MGBA_REG_DEBUG_STRING ((char*)0x4FFF600)
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static const u32 MGBA_ENABLE_MAGIC = 0xC0DE;
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static const u32 MGBA_ENABLE_OK = 0x1DEA;
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static const u32 MGBA_LOG_SEND = 0x100;
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static const u32 MGBA_LOG_BUFFER_SIZE = 0x100;
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static const u16 MGBA_LOG_LEVEL_MASK = 0x7;
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static bool mgba_logger_available = false;
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bool mgba_logger_init(void)
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{
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*MGBA_REG_DEBUG_ENABLE = MGBA_ENABLE_MAGIC;
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mgba_logger_available = (*MGBA_REG_DEBUG_ENABLE == MGBA_ENABLE_OK);
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return mgba_logger_available;
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}
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static void mgba_vprintf(MgbaLogLevel level, const char* fmt, va_list args)
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{
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if (!mgba_logger_available || fmt == NULL)
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return;
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vsnprintf(MGBA_REG_DEBUG_STRING, MGBA_LOG_BUFFER_SIZE, fmt, args);
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*MGBA_REG_DEBUG_FLAGS = ((uint16_t)level & MGBA_LOG_LEVEL_MASK) | MGBA_LOG_SEND;
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}
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void mgba_printf(MgbaLogLevel level, const char* fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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mgba_vprintf(level, fmt, args);
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va_end(args);
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}
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void mgba_func_printf(MgbaLogLevel level, const char* func_name, const char* fmt, ...)
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{
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if (!mgba_logger_available || func_name == NULL || fmt == NULL)
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{
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// The one place where we can't log the error.
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return;
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}
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char printed_str_buff[MGBA_LOG_BUFFER_SIZE];
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// Expand the format first so the full string is truncated in case it's too long
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va_list args;
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va_start(args, fmt);
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vsnprintf(printed_str_buff, sizeof(printed_str_buff), fmt, args);
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va_end(args);
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mgba_printf(level, "%s(): %s", func_name, printed_str_buff);
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}
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#else
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// Noop stubs
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bool mgba_logger_init(void)
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{
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return false;
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}
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void mgba_printf(MgbaLogLevel level, const char* fmt, ...)
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{
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}
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void mgba_func_printf(MgbaLogLevel level, const char* func_name, const char* fmt, ...)
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{
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}
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#endif
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