C++ (Cpp) cpu_set_device_operations Examples

Example #1

File: cpu_ramstage.c Project: tidatida/coreboot

static void init_this_cpu(void *arg)
{
	struct cpu_info *ci = arg;
	device_t dev = ci->cpu;

	cpu_set_device_operations(dev);

	printk(BIOS_DEBUG, "CPU%x: MPIDR: %llx\n", ci->id, ci->mpidr);

	/* Initialize the GIC. */
	gic_init();

	if (dev->ops != NULL && dev->ops->init != NULL) {
		dev->initialized = 1;
		printk(BIOS_DEBUG, "%s init\n", dev_path(dev));
		dev->ops->init(dev);
	}
}

Example #2

File: cpu_ramstage.c Project: ilios86/coreboot

static void init_this_cpu(void *arg)
{
	struct cpu_info *ci = arg;
	device_t dev = ci->cpu;

	cpu_set_device_operations(dev);

	printk(BIOS_DEBUG, "CPU%x: MPIDR: %llx\n", ci->id, ci->mpidr);

	/* Initialize the GIC. */
	gic_init();

	if (dev->ops != NULL && dev->ops->init != NULL) {
		dev->initialized = 1;
		printk(BIOS_DEBUG, "%s init\n", dev_path(dev));
		dev->ops->init(dev);
	}

	/*
	 * Disable coprocessor traps to EL3:
	 * TCPAC [20] = 0, disable traps for EL2 accesses to CPTR_EL2 or HCPTR
	 * and EL2/EL1 access to CPACR_EL1.
	 * TTA [20] = 0, disable traps for trace register access from any EL.
	 * TFP [10] = 0, disable traps for floating-point instructions from any
	 * EL.
	 */
	raw_write_cptr_el3(CPTR_EL3_TCPAC_DISABLE | CPTR_EL3_TTA_DISABLE |
			   CPTR_EL3_TFP_DISABLE);

	/*
	 * Allow FPU accesses:
	 * FPEN [21:20] = 3, disable traps for floating-point instructions from
	 * EL0/EL1.
	 * TTA [28] = 0, disable traps for trace register access from EL0/EL1.
	 */
	raw_write_cpacr_el1(CPACR_TRAP_FP_DISABLE | CPACR_TTA_DISABLE);

	/* Arch Timer init: setup cntfrq per CPU */
	arm64_arch_timer_init();
}