FreeCalypso > hg > fc-tourmaline
view src/nucleus/er_extr.h @ 268:f2e52cab0a73
abb_inth.c: check all interrupt causes, not just one
The original code used if - else if - else if etc constructs, thus
the first detected interrupt was the only one handled. However,
Iota ITSTATREG is a clear-on-read register, thus if we only handle
the first detected interrupt and skip checking the others, then the
other interrupts will be lost, if more than one interrupt happened
to occur in one ABB interrupt handling cycle - a form of rare race
condition. Change the code to check all interrupts that were read
in this cycle.
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 13 Jun 2021 18:17:53 +0000 |
| parents | 4e78acac3d88 |
| children |
line wrap: on
line source
/*************************************************************************/ /* */ /* Copyright Mentor Graphics Corporation 2002 */ /* All Rights Reserved. */ /* */ /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ /* SUBJECT TO LICENSE TERMS. */ /* */ /*************************************************************************/ /*************************************************************************/ /* */ /* FILE NAME VERSION */ /* */ /* er_extr.h Nucleus PLUS 1.14 */ /* */ /* COMPONENT */ /* */ /* ER - Error Management */ /* */ /* DESCRIPTION */ /* */ /* This file contains function prototypes of all functions */ /* accessible to other components. */ /* */ /* DATA STRUCTURES */ /* */ /* None */ /* */ /* FUNCTIONS */ /* */ /* None */ /* */ /* MACROS */ /* */ /* NU_CHECK */ /* NU_ASSERT */ /* */ /* DEPENDENCIES */ /* */ /* nucleus.h System definitions */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* 03-01-1994 Moved include files outside of */ /* the file #ifndef to allow the */ /* use of actual data structures, */ /* resulting in version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* 04-17-1996 updated to version 1.2 */ /* 03-24-1998 Released version 1.3 */ /* 11-24-1998 Added NU_CHECK and NU_ASSERT. */ /* 03-26-1999 Released 1.11m (new release */ /* numbering scheme) */ /* 04-17-2002 Released version 1.13m */ /* 11-07-2002 Released version 1.14 */ /*************************************************************************/ #include "nucleus.h" /* Include system definitions */ /* Check to see if the file has been included already. */ #ifndef ER_EXTR #define ER_EXTR /* Initialization function. */ VOID ERI_Initialize(VOID); /* System error handling function definition. */ VOID ERC_System_Error(INT error_code); #ifdef NU_DEBUG_MEMORY STATUS ERC_Allocate_Memory(NU_MEMORY_POOL *pool_ptr, VOID **ptr, UNSIGNED size, UNSIGNED suspend, unsigned long line, const char* file); STATUS ERC_Deallocate_Memory(VOID *ptr); #endif /* NU_DEBUG_MEMORY */ #ifdef NU_DEBUG void ERC_Assert(CHAR *test, CHAR *name, UNSIGNED line); #endif #ifdef NU_ASSERT #undef NU_ASSERT #endif #ifdef NU_CHECK #undef NU_CHECK #endif #ifdef NU_DEBUG #define NU_ASSERT( test ) \ if ( !(test) ) ERC_Assert( #test, __FILE__, __LINE__ ); ((void) 0) #else #define NU_ASSERT( test ) ((void) 0) #endif /* NU_DEBUG */ #ifdef NU_DEBUG #define NU_ASSERT2( test ) \ if ( !(test) ) ERC_Assert( #test, __FILE__, __LINE__ ); ((void) 0) #else #define NU_ASSERT2( test ) ((void) 0) #endif /* NU_DEBUG */ #ifndef NU_NO_ERROR_CHECKING #define NU_CHECK( test, statement ) \ NU_ASSERT2( test ); if ( !(test) ) { statement; } ((void) 0) #else #define NU_CHECK( test, statement ) NU_ASSERT2( test ) #endif /* NU_NO_ERROR_CHECKING */ #endif