C++ (Cpp) hw_ipi_intr_clear 예제들

예제 #1

파일: ipifuncs.c 프로젝트: orumin/openbsd-efivars

/*
 * Initialize IPI state for a CPU.
 */
void
mips64_ipi_init(void)
{
	cpuid_t cpuid = cpu_number();
	int error;

	if (!cpuid)
		mtx_init(&smp_ipi_mtx, IPL_IPI);

	hw_ipi_intr_clear(cpuid);

	error = hw_ipi_intr_establish(mips64_ipi_intr, cpuid);
	if (error)
		panic("hw_ipi_intr_establish failed:%d", error);
}

예제 #2

파일: ipifuncs.c 프로젝트: orumin/openbsd-efivars

/*
 * Process IPIs for a CPU.
 */
int
mips64_ipi_intr(void *arg)
{
	unsigned int pending_ipis, bit;
	unsigned int cpuid = (unsigned int)(unsigned long)arg;

	KASSERT (cpuid == cpu_number());

	/* clear ipi interrupt */
	hw_ipi_intr_clear(cpuid);
	/* get and clear pending ipis */
	pending_ipis = atomic_swap_uint(&ipi_mailbox[cpuid], 0);
	
	if (pending_ipis > 0) {
		for (bit = 0; bit < MIPS64_NIPIS; bit++)
			if (pending_ipis & (1UL << bit))
				(*ipifuncs[bit])();
	}

	return 1;
}

예제 #3

파일: ipifuncs.c 프로젝트: bradla/OpenBSD-Hammer2

/*
 * Process IPIs for a CPU.
 */
static int
mips64_ipi_intr(void *arg)
{
	unsigned int pending_ipis, bit;
	unsigned int cpuid = (unsigned int)(unsigned long)arg;

	KASSERT (cpuid == cpu_number());

	/* figure out which ipi are pending */
	pending_ipis = ipi_mailbox[cpuid];
	/* clear ipi interrupt */
	hw_ipi_intr_clear(cpuid);
	
	if (pending_ipis > 0) {
		/* clear pending ipi, since we're about to handle them */
		atomic_clearbits_int(&ipi_mailbox[cpuid], pending_ipis);

		for (bit = 0; bit < MIPS64_NIPIS; bit++)
			if (pending_ipis & (1UL << bit))
				(*ipifuncs[bit])();
	}

	return 1;
}