1 files changed, 123 insertions, 0 deletions
diff --git a/bl2u/bl2u.ld.S b/bl2u/bl2u.ld.S
new file mode 100644
index 0000000..7b1a101
--- /dev/null
+++ b/bl2u/bl2u.ld.S
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2015-2023, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <platform_def.h>
+
+#include <common/bl_common.ld.h>
+#include <lib/xlat_tables/xlat_tables_defs.h>
+
+OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT)
+OUTPUT_ARCH(PLATFORM_LINKER_ARCH)
+ENTRY(bl2u_entrypoint)
+
+MEMORY {
+    RAM (rwx): ORIGIN = BL2U_BASE, LENGTH = BL2U_LIMIT - BL2U_BASE
+}
+
+SECTIONS {
+    RAM_REGION_START = ORIGIN(RAM);
+    RAM_REGION_LENGTH = LENGTH(RAM);
+    . = BL2U_BASE;
+
+    ASSERT(. == ALIGN(PAGE_SIZE),
+        "BL2U_BASE address is not aligned on a page boundary.")
+
+#if SEPARATE_CODE_AND_RODATA
+    .text . : {
+        __TEXT_START__ = .;
+
+        *bl2u_entrypoint.o(.text*)
+        *(SORT_BY_ALIGNMENT(.text*))
+        *(.vectors)
+        __TEXT_END_UNALIGNED__ = .;
+
+        . = ALIGN(PAGE_SIZE);
+
+        __TEXT_END__ = .;
+    } >RAM
+
+    /* .ARM.extab and .ARM.exidx are only added because Clang needs them */
+    .ARM.extab . : {
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+    } >RAM
+
+    .ARM.exidx . : {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+    } >RAM
+
+    .rodata . : {
+        __RODATA_START__ = .;
+        *(SORT_BY_ALIGNMENT(.rodata*))
+
+        RODATA_COMMON
+
+        __RODATA_END_UNALIGNED__ = .;
+        . = ALIGN(PAGE_SIZE);
+        __RODATA_END__ = .;
+    } >RAM
+#else /* SEPARATE_CODE_AND_RODATA */
+    .ro . : {
+        __RO_START__ = .;
+
+        *bl2u_entrypoint.o(.text*)
+        *(SORT_BY_ALIGNMENT(.text*))
+        *(SORT_BY_ALIGNMENT(.rodata*))
+
+        RODATA_COMMON
+
+        *(.vectors)
+
+        __RO_END_UNALIGNED__ = .;
+
+        /*
+         * Memory page(s) mapped to this section will be marked as read-only,
+         * executable. No RW data from the next section must creep in. Ensure
+         * that the rest of the current memory page is unused.
+         */
+        . = ALIGN(PAGE_SIZE);
+
+        __RO_END__ = .;
+    } >RAM
+#endif /* SEPARATE_CODE_AND_RODATA */
+
+    __RW_START__ = .;
+
+    DATA_SECTION >RAM
+    STACK_SECTION >RAM
+    BSS_SECTION >RAM
+    XLAT_TABLE_SECTION >RAM
+
+#if USE_COHERENT_MEM
+    /*
+     * The base address of the coherent memory section must be page-aligned to
+     * guarantee that the coherent data are stored on their own pages and are
+     * not mixed with normal data.  This is required to set up the correct
+     * memory attributes for the coherent data page tables.
+     */
+    .coherent_ram (NOLOAD) : ALIGN(PAGE_SIZE) {
+        __COHERENT_RAM_START__ = .;
+        *(.tzfw_coherent_mem)
+        __COHERENT_RAM_END_UNALIGNED__ = .;
+
+        /*
+         * Memory page(s) mapped to this section will be marked as device
+         * memory. No other unexpected data must creep in. Ensure the rest of
+         * the current memory page is unused.
+         */
+        . = ALIGN(PAGE_SIZE);
+
+        __COHERENT_RAM_END__ = .;
+    } >RAM
+#endif /* USE_COHERENT_MEM */
+
+    __RW_END__ = .;
+    __BL2U_END__ = .;
+
+    __BSS_SIZE__ = SIZEOF(.bss);
+
+    ASSERT(. <= BL2U_LIMIT, "BL2U image has exceeded its limit.")
+    RAM_REGION_END = .;
+}