C++ (Cpp) release_secondary_early_hpen Examples

Example #1

File: psci.c Project: OP-TEE/optee_os

/* Override default psci_cpu_on() with platform specific sequence */
int psci_cpu_on(uint32_t core_id, uint32_t entry, uint32_t context_id)
{
	size_t pos = get_core_pos_mpidr(core_id);
	uint32_t exceptions = 0;
	int rc = 0;

	if (!pos || pos >= CFG_TEE_CORE_NB_CORE)
		return PSCI_RET_INVALID_PARAMETERS;

	DMSG("core %zu, ns_entry 0x%" PRIx32 ", state %u",
		pos, entry, core_state[pos]);

	exceptions = lock_state_access();

	switch (core_state[pos]) {
	case CORE_ON:
		rc = PSCI_RET_ALREADY_ON;
		break;
	case CORE_AWAKE:
		rc = PSCI_RET_ON_PENDING;
		break;
	case CORE_RET:
		rc = PSCI_RET_DENIED;
		break;
	case CORE_OFF:
		core_state[pos] = CORE_AWAKE;
		rc = PSCI_RET_SUCCESS;
		break;
	default:
		panic();
	}

	unlock_state_access(exceptions);

	if (rc == PSCI_RET_SUCCESS) {
		generic_boot_set_core_ns_entry(pos, entry, context_id);
		release_secondary_early_hpen(pos);
	}

	return rc;
}

Example #2

File: main.c Project: jbech-linaro/optee_os

int psci_cpu_on(uint32_t core_id, uint32_t entry, uint32_t context_id)
{
	size_t pos = get_core_pos_mpidr(core_id);
	static bool core_is_released[CFG_TEE_CORE_NB_CORE];

	if (!pos || pos >= CFG_TEE_CORE_NB_CORE)
		return PSCI_RET_INVALID_PARAMETERS;

	DMSG("core pos: %zu: ns_entry %#" PRIx32, pos, entry);

	if (core_is_released[pos]) {
		DMSG("core %zu already released", pos);
		return PSCI_RET_DENIED;
	}
	core_is_released[pos] = true;

	generic_boot_set_core_ns_entry(pos, entry, context_id);
	release_secondary_early_hpen(pos);

	return PSCI_RET_SUCCESS;
}