mirror of
https://github.com/ByteWelder/Tactility.git
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91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
/**
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* @file check.h
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*
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* Tactility crash and assert functions.
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*
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* The main problem with crashing is that you can't do anything without disturbing registers,
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* and if you disturb registers, you won't be able to see the correct register values in the debugger.
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*
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* Current solution works around it by passing the message through r12 and doing some magic with registers in crash function.
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* r0-r10 are stored in the ram2 on crash routine start and restored at the end.
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* The only register that is going to be lost is r11.
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*
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*/
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#pragma once
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#include "Log.h"
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#include <cassert>
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#define TT_NORETURN [[noreturn]]
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/** Crash system */
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TT_NORETURN void tt_crash_implementation();
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/** Crash system with message. */
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#define tt_crash(message) \
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do { \
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TT_LOG_E("crash", "%s\n\tat %s:%d", ((message) ? (message) : ""), __FILE__, __LINE__); \
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tt_crash_implementation(); \
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} while (0)
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/** Halt system
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*
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* @param optional message (const char*)
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*/
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#define tt_halt(...) M_APPLY(__tt_halt, M_IF_EMPTY(__VA_ARGS__)((NULL), (__VA_ARGS__)))
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/** Check condition and crash if check failed */
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#define tt_check_internal(__e, __m) \
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do { \
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if (!(__e)) { \
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TT_LOG_E("check", "%s", #__e); \
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if (__m) { \
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tt_crash_internal(#__m); \
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} else { \
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tt_crash_internal(""); \
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} \
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} \
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} while (0)
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/** Check condition and crash if failed
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*
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* @param condition to check
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* @param optional message (const char*)
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*/
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#ifdef NDEBUG
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#define tt_check(x, ...) if (!(x)) { TT_LOG_E("check", "check failed: %s", #x); }
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#else
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#define tt_check(x, ...) assert(x)
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#endif
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/** Only in debug build: Assert condition and crash if assert failed */
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#ifdef TT_DEBUG
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#define tt_assert_internal(__e, __m) \
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do { \
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if (!(__e)) { \
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TT_LOG_E("assert", "%s", #__e); \
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if (__m) { \
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__tt_crash(#__m); \
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} else { \
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__tt_crash(""); \
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} \
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} \
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} while (0)
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#else
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#define __tt_assert(__e, __m) \
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do { \
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((void)(__e)); \
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((void)(__m)); \
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} while (0)
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#endif
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/** Assert condition and crash if failed
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*
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* @warning only will do check if firmware compiled in debug mode
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*
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* @param condition to check
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* @param optional message (const char*)
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*/
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#define tt_assert(expression) assert(expression)
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