funnyos/arch/testarm/dev/tairqc.c - diff

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version 1.4, 2007/11/02 12:36:13

version 1.5, 2007/11/02 13:27:42

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#include <arch/testarm/dev/tairqcreg.h>

#include <libkern/printf.h>

#define TAIRQC_DEBUG

#ifdef TAIRQC_DEBUG

#define DPRINTF(x...) do { printf(x); } while (0)

#else

#define DPRINTF(x...) { }

#endif

* testarm Interrupt Controller Unit support.

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tairqc_mask_intr(uint8_t intrno)

{

bus_write_1(irqcdd->td_bushandlep, irqcdd->td_ioaddr + TAIRQC_OFF_IRQMASK, intrno);

DPRINTF("tairqc_mask_intr: masked interrupt no. %d (status=0x%x)\n", intrno, tairqc_intrstatus());

}

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tairqc_unmask_intr(uint8_t intrno)

{

bus_write_1(irqcdd->td_bushandlep, irqcdd->td_ioaddr + TAIRQC_OFF_IRQUNMASK, intrno);

DPRINTF("tairqc_unmask_intr: unmasked interrupt no. %d (status=0x%x)\n", intrno, tairqc_intrstatus());

}

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/* read intr status; one bit per intr source */

irqstatus = tairqc_intrstatus();

printf("irqc: irq status 0x%x\n", irqstatus);

DPRINTF("tairqc_itq: got interrupt (status=0x%x)\n", irqstatus);

}