len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-09-02 04:13:54 -04:00
Code Issues Projects Releases Packages Wiki Activity

Revert #768 on the XCC/Xtensa portable files (#948)

Browse source
This commit is contained in:
Soren Ptak 2024-01-10 09:58:45 -05:00 • committed by GitHub
parent 94cb87ad30
commit 529de5606e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
13 changed files with 1012 additions and 1049 deletions
Download patch file Download diff file Expand all files Collapse all files

141
portable/ThirdParty/XCC/Xtensa/xtensa_intr.c vendored
View file

@ -1,4 +1,4 @@
/*
/*
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
* Copyright (C) 2015-2019 Cadence Design Systems, Inc.
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
@ -43,110 +43,95 @@
/* Handler table is in xtensa_intr_asm.S */
extern xt_exc_handler _xt_exception_table[ XCHAL_EXCCAUSE_NUM ];
extern xt_exc_handler _xt_exception_table[XCHAL_EXCCAUSE_NUM];
/*
* Default handler for unhandled exceptions.
*/
void xt_unhandled_exception( XtExcFrame * frame )
{
exit( -1 );
}
Default handler for unhandled exceptions.
*/
void xt_unhandled_exception(XtExcFrame *frame)
{
exit(-1);
}
/*
* This function registers a handler for the specified exception.
* The function returns the address of the previous handler.
* On error, it returns 0.
*/
xt_exc_handler xt_set_exception_handler( int n,
xt_exc_handler f )
{
xt_exc_handler old;
This function registers a handler for the specified exception.
The function returns the address of the previous handler.
On error, it returns 0.
*/
xt_exc_handler xt_set_exception_handler(int n, xt_exc_handler f)
{
xt_exc_handler old;
if( ( n < 0 ) || ( n >= XCHAL_EXCCAUSE_NUM ) )
{
return 0; /* invalid exception number */
}
if( n < 0 || n >= XCHAL_EXCCAUSE_NUM )
return 0; /* invalid exception number */
old = _xt_exception_table[ n ];
old = _xt_exception_table[n];
if( f )
{
_xt_exception_table[ n ] = f;
}
else
{
_xt_exception_table[ n ] = &xt_unhandled_exception;
}
return( ( old == &xt_unhandled_exception ) ? 0 : old );
if (f) {
_xt_exception_table[n] = f;
}
else {
_xt_exception_table[n] = &xt_unhandled_exception;
}
#endif /* if XCHAL_HAVE_EXCEPTIONS */
return ((old == &xt_unhandled_exception) ? 0 : old);
}
#endif
#if XCHAL_HAVE_INTERRUPTS
/* Handler table is in xtensa_intr_asm.S */
typedef struct xt_handler_table_entry
{
void * handler;
void * arg;
} xt_handler_table_entry;
typedef struct xt_handler_table_entry {
void * handler;
void * arg;
} xt_handler_table_entry;
extern xt_handler_table_entry _xt_interrupt_table[ XCHAL_NUM_INTERRUPTS ];
extern xt_handler_table_entry _xt_interrupt_table[XCHAL_NUM_INTERRUPTS];
/*
* Default handler for unhandled interrupts.
*/
void xt_unhandled_interrupt( void * arg )
{
exit( -1 );
}
Default handler for unhandled interrupts.
*/
void xt_unhandled_interrupt(void * arg)
{
exit(-1);
}
/*
* This function registers a handler for the specified interrupt. The "arg"
* parameter specifies the argument to be passed to the handler when it is
* invoked. The function returns the address of the previous handler.
* On error, it returns 0.
*/
xt_handler xt_set_interrupt_handler( int n,
xt_handler f,
void * arg )
{
xt_handler_table_entry * entry;
xt_handler old;
This function registers a handler for the specified interrupt. The "arg"
parameter specifies the argument to be passed to the handler when it is
invoked. The function returns the address of the previous handler.
On error, it returns 0.
*/
xt_handler xt_set_interrupt_handler(int n, xt_handler f, void * arg)
{
xt_handler_table_entry * entry;
xt_handler old;
if( ( n < 0 ) || ( n >= XCHAL_NUM_INTERRUPTS ) )
{
return 0; /* invalid interrupt number */
}
if( n < 0 || n >= XCHAL_NUM_INTERRUPTS )
return 0; /* invalid interrupt number */
if( Xthal_intlevel[n] > XCHAL_EXCM_LEVEL )
return 0; /* priority level too high to safely handle in C */
if( Xthal_intlevel[ n ] > XCHAL_EXCM_LEVEL )
{
return 0; /* priority level too high to safely handle in C */
}
entry = _xt_interrupt_table + n;
old = entry->handler;
entry = _xt_interrupt_table + n;
old = entry->handler;
if( f )
{
entry->handler = f;
entry->arg = arg;
}
else
{
entry->handler = &xt_unhandled_interrupt;
entry->arg = ( void * ) n;
}
return( ( old == &xt_unhandled_interrupt ) ? 0 : old );
if (f) {
entry->handler = f;
entry->arg = arg;
}
else {
entry->handler = &xt_unhandled_interrupt;
entry->arg = (void*)n;
}
return ((old == &xt_unhandled_interrupt) ? 0 : old);
}
#endif /* XCHAL_HAVE_INTERRUPTS */