C++ (Cpp) arm_cl2_cleanbyway Examples

Example #1

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

void sm_pm_cpu_suspend_save(struct sm_pm_ctx *ctx, uint32_t sp)
{
	struct thread_core_local *p = thread_get_core_local();

	p->sm_pm_ctx_phys = virt_to_phys((void *)ctx);

	/* The content will be passed to sm_pm_cpu_do_resume as register sp */
	ctx->sp = sp;
	ctx->cpu_resume_addr =
		virt_to_phys((void *)(vaddr_t)sm_pm_cpu_do_resume);

	sm_pm_cpu_do_suspend(ctx->suspend_regs);

	dcache_op_level1(DCACHE_OP_CLEAN_INV);

#ifdef CFG_PL310
	arm_cl2_cleanbyway(core_mmu_get_va(PL310_BASE, MEM_AREA_IO_SEC));
#endif
}

Example #2

File: core_mmu.c Project: lackan/optee_os

unsigned int cache_maintenance_l2(int op, paddr_t pa, size_t len)
{
	unsigned int ret = TEE_SUCCESS;
	uint32_t exceptions = thread_mask_exceptions(THREAD_EXCP_IRQ);

	tee_l2cc_mutex_lock();
	switch (op) {
	case L2CACHE_INVALIDATE:
		arm_cl2_invbyway(pl310_base());
		break;
	case L2CACHE_AREA_INVALIDATE:
		if (len)
			arm_cl2_invbypa(pl310_base(), pa, pa + len - 1);
		break;
	case L2CACHE_CLEAN:
		arm_cl2_cleanbyway(pl310_base());
		break;
	case L2CACHE_AREA_CLEAN:
		if (len)
			arm_cl2_cleanbypa(pl310_base(), pa, pa + len - 1);
		break;
	case L2CACHE_CLEAN_INV:
		arm_cl2_cleaninvbyway(pl310_base());
		break;
	case L2CACHE_AREA_CLEAN_INV:
		if (len)
			arm_cl2_cleaninvbypa(pl310_base(), pa, pa + len - 1);
		break;
	default:
		ret = TEE_ERROR_NOT_IMPLEMENTED;
	}

	tee_l2cc_mutex_unlock();
	thread_set_exceptions(exceptions);
	return ret;
}