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various PowerPC code maintenance

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This commit is contained in:
Thomas Doerfler
2009-11-03 18:45:04 +00:00
parent 16393b2fa8
commit e08dbc5ea9
25 changed files with 140 additions and 295 deletions
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29
c/src/lib/libbsp/powerpc/shared/clock/clock.c
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@@ -94,35 +94,6 @@ static int ppc_clock_exception_handler( BSP_Exception_frame *frame, unsigned num
return 0;
}
static int ppc_clock_exception_handler_classic( BSP_Exception_frame *frame, unsigned number)
{
uint32_t reg1;
uint32_t reg2;
uint32_t msr;
/* Set new decrementer value */
asm volatile(
"lwz %1, ppc_clock_decrementer_value@sdarel(13);"
"mfdec %0;"
"add %0, %0, %1;"
"mtdec %0"
: "=r" (reg1), "=r" (reg2)
);
/* Increment clock ticks */
Clock_driver_ticks += 1;
/* Enable external exceptions */
msr = ppc_external_exceptions_enable();
/* Call clock ticker */
ppc_clock_tick();
/* Restore machine state */
ppc_external_exceptions_disable( msr);
return 0;
}
static int ppc_clock_exception_handler_booke( BSP_Exception_frame *frame, unsigned number)
{