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-rw-r--r--bl32/tsp/tsp.ld.S123
1 files changed, 123 insertions, 0 deletions
diff --git a/bl32/tsp/tsp.ld.S b/bl32/tsp/tsp.ld.S
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+/*
+ * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#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(tsp_entrypoint)
+
+
+MEMORY {
+ RAM (rwx): ORIGIN = TSP_SEC_MEM_BASE, LENGTH = TSP_SEC_MEM_SIZE
+}
+
+
+SECTIONS
+{
+ . = BL32_BASE;
+ ASSERT(. == ALIGN(PAGE_SIZE),
+ "BL32_BASE address is not aligned on a page boundary.")
+
+#if SEPARATE_CODE_AND_RODATA
+ .text . : {
+ __TEXT_START__ = .;
+ *tsp_entrypoint.o(.text*)
+ *(.text*)
+ *(.vectors)
+ . = ALIGN(PAGE_SIZE);
+ __TEXT_END__ = .;
+ } >RAM
+
+ .rodata . : {
+ __RODATA_START__ = .;
+ *(.rodata*)
+
+ RODATA_COMMON
+
+ . = ALIGN(PAGE_SIZE);
+ __RODATA_END__ = .;
+ } >RAM
+#else
+ ro . : {
+ __RO_START__ = .;
+ *tsp_entrypoint.o(.text*)
+ *(.text*)
+ *(.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 the rest of the current memory page is unused.
+ */
+ . = ALIGN(PAGE_SIZE);
+ __RO_END__ = .;
+ } >RAM
+#endif
+
+ /*
+ * Define a linker symbol to mark start of the RW memory area for this
+ * image.
+ */
+ __RW_START__ = . ;
+
+ DATA_SECTION >RAM
+ RELA_SECTION >RAM
+
+#ifdef TSP_PROGBITS_LIMIT
+ ASSERT(. <= TSP_PROGBITS_LIMIT, "TSP progbits has exceeded its limit.")
+#endif
+
+ 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 (4K)
+ * 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
+
+ /*
+ * Define a linker symbol to mark the end of the RW memory area for this
+ * image.
+ */
+ __RW_END__ = .;
+ __BL32_END__ = .;
+
+ /DISCARD/ : {
+ *(.dynsym .dynstr .hash .gnu.hash)
+ }
+
+ __BSS_SIZE__ = SIZEOF(.bss);
+#if USE_COHERENT_MEM
+ __COHERENT_RAM_UNALIGNED_SIZE__ =
+ __COHERENT_RAM_END_UNALIGNED__ - __COHERENT_RAM_START__;
+#endif
+
+ ASSERT(. <= BL32_LIMIT, "BL32 image has exceeded its limit.")
+}