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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 17:43:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 17:43:51 +0000 |
commit | be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b (patch) | |
tree | 779c248fb61c83f65d1f0dc867f2053d76b4e03a /bl2u/bl2u.ld.S | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.zip |
Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | bl2u/bl2u.ld.S | 123 |
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 = .; +} |