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PRU: Add alignment for resource table, and allow sizes of memory regions to be set from the command line.

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ld	* scripttempl/pru.sc (.resource_table): Add ALIGN directive.
	Use symbols for memory sizes.
This commit is contained in:
Dimitar Dimitrov 2021-05-10 13:58:17 +01:00 • committed by Nick Clifton
parent e4b1ab2062
commit 261980de18
2 changed files with 14 additions and 2 deletions
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5
ld/ChangeLog
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@ -1,3 +1,8 @@
2021-05-10 Dimitar Dimitrov <dimitar@dinux.eu>
* scripttempl/pru.sc (.resource_table): Add ALIGN directive.
Use symbols for memory sizes.
2021-05-08 Mike Frysinger <vapier@gentoo.org> 2021-05-08 Mike Frysinger <vapier@gentoo.org>
* Makefile.am (html-local, doc/ld/index.html): New targets. * Makefile.am (html-local, doc/ld/index.html): New targets.

11
ld/scripttempl/pru.sc
View file

@ -5,10 +5,14 @@ OUTPUT_ARCH(${ARCH})
EOF EOF
test -n "${RELOCATING}" && cat <<EOF test -n "${RELOCATING}" && cat <<EOF
/* Allow memory sizes to be overridden from command line. */
__IMEM_SIZE = DEFINED(__IMEM_SIZE) ? __IMEM_SIZE : $TEXT_LENGTH;
__DMEM_SIZE = DEFINED(__DMEM_SIZE) ? __DMEM_SIZE : $DATA_LENGTH;
MEMORY MEMORY
{ {
imem (x) : ORIGIN = $TEXT_ORIGIN, LENGTH = $TEXT_LENGTH imem (x) : ORIGIN = $TEXT_ORIGIN, LENGTH = __IMEM_SIZE
dmem (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = $DATA_LENGTH dmem (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = __DMEM_SIZE
} }
__HEAP_SIZE = DEFINED(__HEAP_SIZE) ? __HEAP_SIZE : 32; __HEAP_SIZE = DEFINED(__HEAP_SIZE) ? __HEAP_SIZE : 32;
@ -149,6 +153,9 @@ SECTIONS
.resource_table ${RELOCATING-0} : .resource_table ${RELOCATING-0} :
{ {
/* Linux remoteproc loader requires the resource table address
to be aligned to 8 bytes. */
${RELOCATING+. = ALIGN(8);}
KEEP (*(.resource_table)) KEEP (*(.resource_table))
} ${RELOCATING+ > dmem} } ${RELOCATING+ > dmem}