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authorNicolas Pitre <nicolas.pitre@linaro.org>2018-03-08 20:19:48 -0500
committerNicolas Pitre <nicolas.pitre@linaro.org>2018-03-09 20:20:22 -0500
commitc3146c43db4974f4571bd9d42b172ca03a9137c6 (patch)
treeabb843dd7730ea3b8dad12b7d4c780536bb4709b /arch/arm/kernel/vmlinux.lds.S
parent9147095896fb321ae10ec5a5f789079318137ac9 (diff)
ARM: linker script: factor out TCM bits
This is a plain move with identical results, and therefore still broken in the XIP case. Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Chris Brandt <Chris.Brandt@renesas.com>
Diffstat (limited to 'arch/arm/kernel/vmlinux.lds.S')
-rw-r--r--arch/arm/kernel/vmlinux.lds.S55
1 files changed, 1 insertions, 54 deletions
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 2b8936309061..1e9f2a6b3d33 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -139,60 +139,7 @@ SECTIONS
_edata = .;
#ifdef CONFIG_HAVE_TCM
- /*
- * We align everything to a page boundary so we can
- * free it after init has commenced and TCM contents have
- * been copied to its destination.
- */
- .tcm_start : {
- . = ALIGN(PAGE_SIZE);
- __tcm_start = .;
- __itcm_start = .;
- }
-
- /*
- * Link these to the ITCM RAM
- * Put VMA to the TCM address and LMA to the common RAM
- * and we'll upload the contents from RAM to TCM and free
- * the used RAM after that.
- */
- .text_itcm ITCM_OFFSET : AT(__itcm_start)
- {
- __sitcm_text = .;
- *(.tcm.text)
- *(.tcm.rodata)
- . = ALIGN(4);
- __eitcm_text = .;
- }
-
- /*
- * Reset the dot pointer, this is needed to create the
- * relative __dtcm_start below (to be used as extern in code).
- */
- . = ADDR(.tcm_start) + SIZEOF(.tcm_start) + SIZEOF(.text_itcm);
-
- .dtcm_start : {
- __dtcm_start = .;
- }
-
- /* TODO: add remainder of ITCM as well, that can be used for data! */
- .data_dtcm DTCM_OFFSET : AT(__dtcm_start)
- {
- . = ALIGN(4);
- __sdtcm_data = .;
- *(.tcm.data)
- . = ALIGN(4);
- __edtcm_data = .;
- }
-
- /* Reset the dot pointer or the linker gets confused */
- . = ADDR(.dtcm_start) + SIZEOF(.data_dtcm);
-
- /* End marker for freeing TCM copy in linked object */
- .tcm_end : AT(ADDR(.dtcm_start) + SIZEOF(.data_dtcm)){
- . = ALIGN(PAGE_SIZE);
- __tcm_end = .;
- }
+ ARM_TCM
#endif
BSS_SECTION(0, 0, 0)