GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/lib/xlat_tables/xlat_tables_private.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef XLAT_TABLES_PRIVATE_H
+#define XLAT_TABLES_PRIVATE_H
+
+#include <platform_def.h>
+
+#include <lib/cassert.h>
+#include <lib/xlat_tables/xlat_tables_arch.h>
+
+#if HW_ASSISTED_COHERENCY
+#error xlat tables v2 must be used with HW_ASSISTED_COHERENCY
+#endif
+
+CASSERT(CHECK_PHY_ADDR_SPACE_SIZE(PLAT_PHY_ADDR_SPACE_SIZE),
+	assert_valid_phy_addr_space_size);
+
+/* Alias to retain compatibility with the old #define name */
+#define XLAT_BLOCK_LEVEL_MIN	MIN_LVL_BLOCK_DESC
+
+void print_mmap(void);
+
+/* Returns the current Exception Level. The returned EL must be 1 or higher. */
+unsigned int xlat_arch_current_el(void);
+
+/*
+ * Returns the bit mask that has to be ORed to the rest of a translation table
+ * descriptor so that execution of code is prohibited at the given Exception
+ * Level.
+ */
+uint64_t xlat_arch_get_xn_desc(unsigned int el);
+
+void init_xlation_table(uintptr_t base_va, uint64_t *table,
+			unsigned int level, uintptr_t *max_va,
+			unsigned long long *max_pa);
+
+#endif /* XLAT_TABLES_PRIVATE_H */