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2001-01-03 Joel Sherrill <joel@OARcorp.com>

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* new_exception_processing/cpu.h, old_exception_processing/cpu.c:
	old_exception_processing/cpu.h, Added _CPU_Initialize_vectors().
	In particular, spurious vector initialization had to be moved
	on old exception processing model.
This commit is contained in:
Joel Sherrill
2001-01-03 16:45:52 +00:00
parent e182c62027
commit 5e67b98dfd
8 changed files with 99 additions and 22 deletions
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6
c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu.h
View File

@@ -612,7 +612,11 @@ SCORE_EXTERN struct {
#define CPU_MINIMUM_STACK_FRAME_SIZE 8
/* ISR handler macros */
/*
* ISR handler macros
*/
#define _CPU_Initialize_vectors()
/*
* Disable all interrupts for an RTEMS critical section. The previous

28
c/src/lib/libbsp/powerpc/support/old_exception_processing/cpu.c
View File

@@ -58,7 +58,6 @@ void _CPU_Initialize(
void (*thread_dispatch) /* ignored on this CPU */
)
{
proc_ptr handler = (proc_ptr)ppc_spurious;
int i;
#if (PPC_ABI != PPC_ABI_POWEROPEN)
register unsigned32 r2 = 0;
@@ -75,7 +74,7 @@ void _CPU_Initialize(
_CPU_IRQ_info.Nest_level = &_ISR_Nest_level;
_CPU_IRQ_info.Disable_level = &_Thread_Dispatch_disable_level;
_CPU_IRQ_info.Vector_table = _ISR_Vector_table;
/* fill in _CPU_IRQ_info.Vector_table later */
#if (PPC_ABI == PPC_ABI_POWEROPEN)
_CPU_IRQ_info.Dispatch_r2 = ((unsigned32 *)_Thread_Dispatch)[1];
#endif
@@ -97,13 +96,32 @@ void _CPU_Initialize(
asm volatile("mtspr 0x112, %0" : "=r" (i) : "0" (i)); /* SPRG 2 */
#endif
if ( cpu_table->spurious_handler )
handler = (proc_ptr)cpu_table->spurious_handler;
_CPU_Table = *cpu_table;
}
/*
* _CPU_Initialize_vectors()
*
* Support routine to initialize the RTEMS vector table after it is allocated.
*
* PowerPC Specific Information:
*
* Complete initialization since the table is now allocated.
*/
void _CPU_Initialize_vectors(void)
{
int i;
proc_ptr handler = (proc_ptr)ppc_spurious;
_CPU_IRQ_info.Vector_table = _ISR_Vector_table;
if ( _CPU_Table.spurious_handler )
handler = (proc_ptr)_CPU_Table.spurious_handler;
for (i = 0; i < PPC_INTERRUPT_MAX; i++)
_ISR_Vector_table[i] = handler;
_CPU_Table = *cpu_table;
}
/*PAGE

6
c/src/lib/libbsp/powerpc/support/old_exception_processing/cpu.h
View File

@@ -706,7 +706,11 @@ SCORE_EXTERN struct {
#define CPU_STACK_ALIGNMENT (PPC_STACK_ALIGNMENT)
/* ISR handler macros */
/*
* ISR handler macros
*/
void _CPU_Initialize_vectors(void);
/*
* Disable all interrupts for an RTEMS critical section. The previous

7
c/src/lib/libcpu/powerpc/ChangeLog
View File

@@ -1,3 +1,10 @@
2001-01-03 Joel Sherrill <joel@OARcorp.com>
* new_exception_processing/cpu.h, old_exception_processing/cpu.c:
old_exception_processing/cpu.h, Added _CPU_Initialize_vectors().
In particular, spurious vector initialization had to be moved
on old exception processing model.
2000-11-09 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* Makefile.am: Use ... instead of RTEMS_TOPdir in ACLOCAL_AMFLAGS.

6
c/src/lib/libcpu/powerpc/new_exception_processing/cpu.h
View File

@@ -612,7 +612,11 @@ SCORE_EXTERN struct {
#define CPU_MINIMUM_STACK_FRAME_SIZE 8
/* ISR handler macros */
/*
* ISR handler macros
*/
#define _CPU_Initialize_vectors()
/*
* Disable all interrupts for an RTEMS critical section. The previous

28
c/src/lib/libcpu/powerpc/old-exceptions/cpu.c
View File

@@ -58,7 +58,6 @@ void _CPU_Initialize(
void (*thread_dispatch) /* ignored on this CPU */
)
{
proc_ptr handler = (proc_ptr)ppc_spurious;
int i;
#if (PPC_ABI != PPC_ABI_POWEROPEN)
register unsigned32 r2 = 0;
@@ -75,7 +74,7 @@ void _CPU_Initialize(
_CPU_IRQ_info.Nest_level = &_ISR_Nest_level;
_CPU_IRQ_info.Disable_level = &_Thread_Dispatch_disable_level;
_CPU_IRQ_info.Vector_table = _ISR_Vector_table;
/* fill in _CPU_IRQ_info.Vector_table later */
#if (PPC_ABI == PPC_ABI_POWEROPEN)
_CPU_IRQ_info.Dispatch_r2 = ((unsigned32 *)_Thread_Dispatch)[1];
#endif
@@ -97,13 +96,32 @@ void _CPU_Initialize(
asm volatile("mtspr 0x112, %0" : "=r" (i) : "0" (i)); /* SPRG 2 */
#endif
if ( cpu_table->spurious_handler )
handler = (proc_ptr)cpu_table->spurious_handler;
_CPU_Table = *cpu_table;
}
/*
* _CPU_Initialize_vectors()
*
* Support routine to initialize the RTEMS vector table after it is allocated.
*
* PowerPC Specific Information:
*
* Complete initialization since the table is now allocated.
*/
void _CPU_Initialize_vectors(void)
{
int i;
proc_ptr handler = (proc_ptr)ppc_spurious;
_CPU_IRQ_info.Vector_table = _ISR_Vector_table;
if ( _CPU_Table.spurious_handler )
handler = (proc_ptr)_CPU_Table.spurious_handler;
for (i = 0; i < PPC_INTERRUPT_MAX; i++)
_ISR_Vector_table[i] = handler;
_CPU_Table = *cpu_table;
}
/*PAGE

28
c/src/lib/libcpu/powerpc/old_exception_processing/cpu.c
View File

@@ -58,7 +58,6 @@ void _CPU_Initialize(
void (*thread_dispatch) /* ignored on this CPU */
)
{
proc_ptr handler = (proc_ptr)ppc_spurious;
int i;
#if (PPC_ABI != PPC_ABI_POWEROPEN)
register unsigned32 r2 = 0;
@@ -75,7 +74,7 @@ void _CPU_Initialize(
_CPU_IRQ_info.Nest_level = &_ISR_Nest_level;
_CPU_IRQ_info.Disable_level = &_Thread_Dispatch_disable_level;
_CPU_IRQ_info.Vector_table = _ISR_Vector_table;
/* fill in _CPU_IRQ_info.Vector_table later */
#if (PPC_ABI == PPC_ABI_POWEROPEN)
_CPU_IRQ_info.Dispatch_r2 = ((unsigned32 *)_Thread_Dispatch)[1];
#endif
@@ -97,13 +96,32 @@ void _CPU_Initialize(
asm volatile("mtspr 0x112, %0" : "=r" (i) : "0" (i)); /* SPRG 2 */
#endif
if ( cpu_table->spurious_handler )
handler = (proc_ptr)cpu_table->spurious_handler;
_CPU_Table = *cpu_table;
}
/*
* _CPU_Initialize_vectors()
*
* Support routine to initialize the RTEMS vector table after it is allocated.
*
* PowerPC Specific Information:
*
* Complete initialization since the table is now allocated.
*/
void _CPU_Initialize_vectors(void)
{
int i;
proc_ptr handler = (proc_ptr)ppc_spurious;
_CPU_IRQ_info.Vector_table = _ISR_Vector_table;
if ( _CPU_Table.spurious_handler )
handler = (proc_ptr)_CPU_Table.spurious_handler;
for (i = 0; i < PPC_INTERRUPT_MAX; i++)
_ISR_Vector_table[i] = handler;
_CPU_Table = *cpu_table;
}
/*PAGE

6
c/src/lib/libcpu/powerpc/old_exception_processing/cpu.h
View File

@@ -706,7 +706,11 @@ SCORE_EXTERN struct {
#define CPU_STACK_ALIGNMENT (PPC_STACK_ALIGNMENT)
/* ISR handler macros */
/*
* ISR handler macros
*/
void _CPU_Initialize_vectors(void);
/*
* Disable all interrupts for an RTEMS critical section. The previous