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zipl/boot: Increase section size for eckd_mv dumper

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Update eckd2dump linker script to remove stage2 space constraints and
avoid linker section overlaps when using 'unfortunate' compiler
version & flags combination.
Since Multi-volume dumper size changes, we also update the dump-tool version
number for 'zgetdump' to distinguish.

Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Fixes: https://github.com/ibm-s390-linux/s390-tools/issues/171
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Mikhail Zaslonko
2024-09-09 13:18:15 +02:00
committed by Jan Höppner
parent f1a479a794
commit 605680d6fd
4 changed files with 6 additions and 6 deletions
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zipl/boot/Makefile
+1 -1
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@@ -57,7 +57,7 @@ eckd2dump_sv.lds: eckd2dump.lds.S
$(CPP) -Wp,-MD,.$@.d,-MT,$@ $(INCLUDE_PARMS) -D STAGE2DUMP_TAIL_ADDRESS=0x9ff0 \
-P -C -o $@ $<
eckd2dump_mv.lds: eckd2dump.lds.S
$(CPP) -Wp,-MD,.$@.d,-MT,$@ $(INCLUDE_PARMS) -D STAGE2DUMP_TAIL_ADDRESS=0x4ff0 \
$(CPP) -Wp,-MD,.$@.d,-MT,$@ $(INCLUDE_PARMS) -D STAGE2DUMP_TAIL_ADDRESS=0x5ff0 \
-D ECKD2DUMP_MV -P -C -o $@ $<
stage2.lds: stage2.lds.S
$(CPP) -Wp,-MD,.$@.d,-MT,$@ $(INCLUDE_PARMS) -D STAGE2DUMP_TAIL_ADDRESS=0x4ff0 \
zipl/boot/eckd2dump.lds.S
+2 -2
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@@ -17,8 +17,8 @@
*
* 0x78 Stage 2 description parameters
* 0x2018 Stage 2 entry point
* 0x4ff0 Stage 2 multi-volume dump parameters (eckd2dump_mv)
* 0x5000 Multi-volume dump parameters table (eckd2dump_mv)
* 0x5ff0 Stage 2 multi-volume dump parameters (eckd2dump_mv)
* 0x6000 Multi-volume dump parameters table (eckd2dump_mv)
* 0x9ff0 Stage 2 single volume dump parameters (eckd2dump_sv)
*/
zipl/boot/eckd2dump_mv.c
+1 -1
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@@ -22,7 +22,7 @@
/*
* Magic number at start of dump record
*/
const uint64_t __section(.stage2.head) magic = 0x584d554c54363401ULL; /* XMULT64, version 1 */
const uint64_t __section(.stage2.head) magic = 0x584d554c54363402ULL; /* XMULT64, version 2 */
/*
* Parameter format for ECKD MV dumper (13 bytes):