C++ (Cpp) secure_mmu_unifiedtlbinv_byasid示例

示例#1

文件： core_mmu.c 项目： lackan/optee_os

int core_tlb_maintenance(int op, unsigned int a)
{
	/*
	 * We're doing TLB invalidation because we've changed mapping.
	 * The dsb() makes sure that written data is visible.
	 */
	dsb();

	switch (op) {
	case TLBINV_UNIFIEDTLB:
		secure_mmu_unifiedtlbinvall();
		break;
	case TLBINV_CURRENT_ASID:
		secure_mmu_unifiedtlbinv_curasid();
		break;
	case TLBINV_BY_ASID:
		secure_mmu_unifiedtlbinv_byasid(a);
		break;
	case TLBINV_BY_MVA:
		EMSG("TLB_INV_SECURE_MVA is not yet supported!");
		while (1)
			;
		secure_mmu_unifiedtlbinvbymva(a);
		break;
	default:
		return 1;
	}
	return 0;
}

示例#2

文件： tee_mmu.c 项目： enavro/optee_os

/*
 * tee_mmu_final - finalise and free ctx mmu
 */
void tee_mmu_final(struct tee_ta_ctx *ctx)
{
	uint32_t asid = 1 << ((ctx->context - 1) & 0xff);

	/* return ASID */
	g_asid |= asid;

	/* clear MMU entries to avoid clash when asid is reused */
	secure_mmu_unifiedtlbinv_byasid(ctx->context & 0xff);
	ctx->context = 0;

	if (ctx->mmu != NULL) {
		free(ctx->mmu->table);
		free(ctx->mmu);
	}
	ctx->mmu = NULL;
}

示例#3

文件： core_mmu.c 项目： TataOgg/optee_os

int core_tlb_maintenance(int op, unsigned int a)
{
	switch (op) {
	case TLBINV_UNIFIEDTLB:
		secure_mmu_unifiedtlbinvall();
		break;
	case TLBINV_CURRENT_ASID:
		secure_mmu_unifiedtlbinv_curasid();
		break;
	case TLBINV_BY_ASID:
		secure_mmu_unifiedtlbinv_byasid(a);
		break;
	case TLBINV_BY_MVA:
		EMSG("TLB_INV_SECURE_MVA is not yet supported!");
		while (1)
			;
		secure_mmu_unifiedtlbinvbymva(a);
		break;
	default:
		return 1;
	}
	return 0;
}