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Diffstat (limited to '')
-rw-r--r-- | bl32/tsp/tsp.ld.S | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/bl32/tsp/tsp.ld.S b/bl32/tsp/tsp.ld.S new file mode 100644 index 0000000..d86ae55 --- /dev/null +++ b/bl32/tsp/tsp.ld.S @@ -0,0 +1,123 @@ +/* + * 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.") +} |