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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2001-01-03 16:45:52 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2001-01-03 16:45:52 +0000 |
| commit | 5e67b98dfd28eec5e3c79d15487f6a4970cada9b (patch) | |
| tree | 2a3c9f844e3c1341185a51b652d0442414436bdb /c/src/lib/libbsp/powerpc/support/old_exception_processing/cpu.c | |
| parent | 2001-01-03 Joel Sherrill <joel@OARcorp.com> (diff) | |
| download | rtems-5e67b98dfd28eec5e3c79d15487f6a4970cada9b.tar.bz2 | |
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.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/support/old_exception_processing/cpu.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/support/old_exception_processing/cpu.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/c/src/lib/libbsp/powerpc/support/old_exception_processing/cpu.c b/c/src/lib/libbsp/powerpc/support/old_exception_processing/cpu.c index 5a5fadfd97..7745dc4251 100644 --- a/c/src/lib/libbsp/powerpc/support/old_exception_processing/cpu.c +++ b/c/src/lib/libbsp/powerpc/support/old_exception_processing/cpu.c @@ -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 @@ -97,15 +96,34 @@ 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 * * _CPU_ISR_Calculate_level |