diff options
Diffstat (limited to 'portable/ThirdParty/XCC/Xtensa/xtensa_api.h')
| -rw-r--r-- | portable/ThirdParty/XCC/Xtensa/xtensa_api.h | 121 |
1 files changed, 59 insertions, 62 deletions
diff --git a/portable/ThirdParty/XCC/Xtensa/xtensa_api.h b/portable/ThirdParty/XCC/Xtensa/xtensa_api.h index bf2834f09..703449f2b 100644 --- a/portable/ThirdParty/XCC/Xtensa/xtensa_api.h +++ b/portable/ThirdParty/XCC/Xtensa/xtensa_api.h @@ -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. @@ -40,90 +40,87 @@ /* Typedef for C-callable interrupt handler function */ -typedef void (* xt_handler)( void * ); +typedef void (*xt_handler)(void *); /* Typedef for C-callable exception handler function */ -typedef void (* xt_exc_handler)( XtExcFrame * ); +typedef void (*xt_exc_handler)(XtExcFrame *); /* - * ------------------------------------------------------------------------------- - * Call this function to set a handler for the specified exception. - * - * n - Exception number (type) - * f - Handler function address, NULL to uninstall handler. - * - * The handler will be passed a pointer to the exception frame, which is created - * on the stack of the thread that caused the exception. - * - * If the handler returns, the thread context will be restored and the faulting - * instruction will be retried. Any values in the exception frame that are - * modified by the handler will be restored as part of the context. For details - * of the exception frame structure see xtensa_context.h. - * ------------------------------------------------------------------------------- - */ -extern xt_exc_handler xt_set_exception_handler( int n, - xt_exc_handler f ); +------------------------------------------------------------------------------- + Call this function to set a handler for the specified exception. + + n - Exception number (type) + f - Handler function address, NULL to uninstall handler. + + The handler will be passed a pointer to the exception frame, which is created + on the stack of the thread that caused the exception. + + If the handler returns, the thread context will be restored and the faulting + instruction will be retried. Any values in the exception frame that are + modified by the handler will be restored as part of the context. For details + of the exception frame structure see xtensa_context.h. +------------------------------------------------------------------------------- +*/ +extern xt_exc_handler xt_set_exception_handler(int n, xt_exc_handler f); /* - * ------------------------------------------------------------------------------- - * Call this function to set a handler for the specified interrupt. - * - * n - Interrupt number. - * f - Handler function address, NULL to uninstall handler. - * arg - Argument to be passed to handler. - * ------------------------------------------------------------------------------- - */ -extern xt_handler xt_set_interrupt_handler( int n, - xt_handler f, - void * arg ); +------------------------------------------------------------------------------- + Call this function to set a handler for the specified interrupt. + + n - Interrupt number. + f - Handler function address, NULL to uninstall handler. + arg - Argument to be passed to handler. +------------------------------------------------------------------------------- +*/ +extern xt_handler xt_set_interrupt_handler(int n, xt_handler f, void * arg); /* - * ------------------------------------------------------------------------------- - * Call this function to enable the specified interrupts. - * - * mask - Bit mask of interrupts to be enabled. - * - * Returns the previous state of the interrupt enables. - * ------------------------------------------------------------------------------- - */ -extern unsigned int xt_ints_on( unsigned int mask ); +------------------------------------------------------------------------------- + Call this function to enable the specified interrupts. + + mask - Bit mask of interrupts to be enabled. + + Returns the previous state of the interrupt enables. +------------------------------------------------------------------------------- +*/ +extern unsigned int xt_ints_on(unsigned int mask); /* - * ------------------------------------------------------------------------------- - * Call this function to disable the specified interrupts. - * - * mask - Bit mask of interrupts to be disabled. - * - * Returns the previous state of the interrupt enables. - * ------------------------------------------------------------------------------- - */ -extern unsigned int xt_ints_off( unsigned int mask ); +------------------------------------------------------------------------------- + Call this function to disable the specified interrupts. + + mask - Bit mask of interrupts to be disabled. + + Returns the previous state of the interrupt enables. +------------------------------------------------------------------------------- +*/ +extern unsigned int xt_ints_off(unsigned int mask); /* - * ------------------------------------------------------------------------------- - * Call this function to set the specified (s/w) interrupt. - * ------------------------------------------------------------------------------- - */ -static inline void xt_set_intset( unsigned int arg ) +------------------------------------------------------------------------------- + Call this function to set the specified (s/w) interrupt. +------------------------------------------------------------------------------- +*/ +static inline void xt_set_intset(unsigned int arg) { - xthal_set_intset( arg ); + xthal_set_intset(arg); } /* - * ------------------------------------------------------------------------------- - * Call this function to clear the specified (s/w or edge-triggered) - * interrupt. - * ------------------------------------------------------------------------------- - */ -static inline void xt_set_intclear( unsigned int arg ) +------------------------------------------------------------------------------- + Call this function to clear the specified (s/w or edge-triggered) + interrupt. +------------------------------------------------------------------------------- +*/ +static inline void xt_set_intclear(unsigned int arg) { - xthal_set_intclear( arg ); + xthal_set_intclear(arg); } |