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2007-12-08 Till Straumann <strauman@slac.stanford.edu>

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*shared/irq/irq_supp.h: removed cpp test for
	BSP_SHARED_HANDLER_SUPPORT; BSPs using irq_supp.h
	*must* implement shared handlers.
This commit is contained in:
Till Straumann
2007-12-08 17:23:55 +00:00
parent aeca15c87b
commit 98ff623e62
2 changed files with 28 additions and 22 deletions
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6
c/src/lib/libbsp/powerpc/ChangeLog
View File

@@ -1,3 +1,9 @@
2007-12-08 Till Straumann <strauman@slac.stanford.edu>
*shared/irq/irq_supp.h: removed cpp test for
BSP_SHARED_HANDLER_SUPPORT; BSPs using irq_supp.h
*must* implement shared handlers.
2007-12-06 Till Straumann <strauman@slac.stanford.edu>
* shared/openpic/openpic.c, shared/openpic/openpic.h:

44
c/src/lib/libbsp/powerpc/shared/irq/irq_supp.h
View File

@@ -57,10 +57,16 @@ struct _BSP_Exception_frame;
/* IRQ dispatcher to be defined by the PIC driver; note that it MUST
* implement shared interrupts.
* Note that the exception frame passed to this handler is not very
* meaningful. Only the volatile registers and info are set up.
* Note also that the exception frame passed to this handler is not very
* meaningful. Only the volatile registers and vector info are stored.
*
*******************************************************************
* The routine must return zero if the interrupt was handled. If a
* nonzero value is returned the dispatcher may panic and flag an
* uncaught exception.
*******************************************************************
*/
void C_dispatch_irq_handler (struct _BSP_Exception_frame *frame, unsigned int excNum);
int C_dispatch_irq_handler (struct _BSP_Exception_frame *frame, unsigned int excNum);
/*
* Snippet to be used by PIC drivers;
@@ -76,29 +82,23 @@ bsp_irq_dispatch_list(
rtems_irq_hdl sentinel
)
{
register uint32_t l_orig;
register uint32_t l_orig;
l_orig = _ISR_Get_level();
l_orig = _ISR_Get_level();
/* Enable all interrupts */
_ISR_Set_level(0);
/* Enable all interrupts */
_ISR_Set_level(0);
#ifndef BSP_SHARED_HANDLER_SUPPORT
rtems_hdl_tbl[irq].hdl(rtems_hdl_tbl[irq].handle);
#else
{
rtems_irq_connect_data* vchain;
for( vchain = &tbl[irq];
((int)vchain != -1 && vchain->hdl != sentinel);
vchain = (rtems_irq_connect_data*)vchain->next_handler )
{
vchain->hdl(vchain->handle);
}
}
#endif
rtems_irq_connect_data* vchain;
for( vchain = &tbl[irq];
((int)vchain != -1 && vchain->hdl != sentinel);
vchain = (rtems_irq_connect_data*)vchain->next_handler )
{
vchain->hdl(vchain->handle);
}
/* Restore original level */
_ISR_Set_level(l_orig);
/* Restore original level */
_ISR_Set_level(l_orig);
}
#ifdef __cplusplus