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LM32: Ooops.. last version still in editor

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This commit is contained in:
Gregory Nutt 2016-11-04 10:42:05 -06:00
parent 145ee2e6f1
commit ddd8716189
2 changed files with 31 additions and 30 deletions
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45
arch/misoc/src/lm32/lm32_decodeirq.c
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@ -63,30 +63,47 @@
uint32_t *lm32_decodeirq(uint32_t *regs)
{
uint32_t im;
uint32_t intstat;
int irq;
/* Read the interrupt acknowledge register and get the interrupt ID */
/* Read the pending interrupts */
/* REVISIT: How do I get the interupt status */
#warning Missing logic
intstat = 0;
im = getreg32(GIC_ICCIAR);
irq = (im & GIC_ICCIAR_INTID_MASK) >> GIC_ICCIAR_INTID_SHIFT;
/* REVIST: Do I need to mask the interrupt status with the IM? */
irqinfo("intstat=%08lx\n", (unsigned long)intstat);
/* Decode and dispatch interrupts */
for (irq = 0; irq < NR_IRQS & instat != 0; i++)
{
uint32_t bit = (1 << irq);
/* Is this interrupt pending? */
if ((instat & bit) != 0)
{
/* Yes.. Dispatch the interrupt */
/* REVIST: Do I need to acknowledge the interrupt first? */
irqinfo("irq=%d\n", irq);
regs = lm32_doirq(irq, regs);
/* Ignore spurions IRQs. ICCIAR will report 1023 if there is no pending
* interrupt.
/* Clear the bit in the interrupt status copy so that maybe we can
* break out of the loop early.
*/
DEBUGASSERT(irq < NR_IRQS || irq == 1023);
if (irq < NR_IRQS)
{
/* Dispatch the interrupt */
regs = lm32_doirq(irq, regs);
instat &= ~bit;
}
}
/* Write to the end-of-interrupt register */
/* Return the final task register save area. This will typically be the
* same as the value of regs on input. In the event of a context switch,
* however, it will differ. It will refere to the register save are in the
* TCB of the new thread.
*/
putreg32(im, GIC_ICCEOIR);
return regs;
}

16
arch/misoc/src/lm32/lm32_doirq.c
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@ -51,22 +51,6 @@
#include "group/group.h"
#include "lm32.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/