6d9de25494
* Lib: adjust default contrast for ERC displays * Furi: various improvements in check module * Format Sources * FurHal: ble early hardfault detection --------- Co-authored-by: hedger <hedger@users.noreply.github.com>
97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/**
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* @file check.h
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*
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* Furi 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 <m-core.h>
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#ifdef __cplusplus
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extern "C" {
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#define FURI_NORETURN [[noreturn]]
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#else
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#include <stdnoreturn.h>
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#define FURI_NORETURN noreturn
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#endif
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// Flags instead of pointers will save ~4 bytes on furi_assert and furi_check calls.
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#define __FURI_ASSERT_MESSAGE_FLAG (0x01)
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#define __FURI_CHECK_MESSAGE_FLAG (0x02)
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/** Crash system */
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FURI_NORETURN void __furi_crash();
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/** Halt system */
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FURI_NORETURN void __furi_halt();
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/** Crash system with message. Show message after reboot. */
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#define furi_crash(message) \
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do { \
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register const void* r12 asm("r12") = (void*)message; \
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asm volatile("sukima%=:" : : "r"(r12)); \
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__furi_crash(); \
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} while(0)
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/** Halt system with message. */
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#define furi_halt(message) \
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do { \
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register const void* r12 asm("r12") = (void*)message; \
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asm volatile("sukima%=:" : : "r"(r12)); \
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__furi_halt(); \
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} while(0)
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/** Check condition and crash if check failed */
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#define __furi_check(__e, __m) \
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do { \
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if(!(__e)) { \
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furi_crash(__m); \
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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
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*/
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#define furi_check(...) \
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M_APPLY(__furi_check, M_DEFAULT_ARGS(2, (__FURI_CHECK_MESSAGE_FLAG), __VA_ARGS__))
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/** Only in debug build: Assert condition and crash if assert failed */
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#ifdef FURI_DEBUG
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#define __furi_assert(__e, __m) \
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do { \
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if(!(__e)) { \
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furi_crash(__m); \
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} \
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} while(0)
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#else
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#define __furi_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
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*/
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#define furi_assert(...) \
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M_APPLY(__furi_assert, M_DEFAULT_ARGS(2, (__FURI_ASSERT_MESSAGE_FLAG), __VA_ARGS__))
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#ifdef __cplusplus
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}
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#endif
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