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zipl/boot: Combine linker scripts for CCW DASD dumpers

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Combine linker scripts for single volume and multi-volume ECKD dumpers
to avoid duplicating. Use C preprocessor to define conditional symbols.
Cleanup the generic stage2 linker script(stage2.lds). Since it is still
used for FBA and TAPE dumpers (fba2dump and tape2dump) the .stage2dump.tail
section should be preserved.

Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Reviewed-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
This commit is contained in:
Mikhail Zaslonko
2024-10-07 16:21:50 +02:00
committed by Steffen Eiden
parent 8d2290977b
commit 73f211ecb1
4 changed files with 33 additions and 26 deletions
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7
include/boot/loaders_layout.h
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@@ -21,13 +21,14 @@
#define STAGE2_DESC _AC(0x78, UL)
#define STAGE2_ENTRY _AC(0x2018, UL)
#define ECKD2DUMP_MV_TAIL_ADDRESS _AC(0x5000, UL)
#define STAGE2_HEAP_ADDRESS _AC(0x6000, UL)
#define ECKD2DUMP_SV_HEAP_ADDRESS _AC(0xb000, UL)
#define ECKD2DUMP_HEAP_ADDRESS _AC(0xb000, UL)
#define STAGE2_HEAP_SIZE _AC(0x3000, UL)
#define STAGE2_STACK_ADDRESS _AC(0xe400, UL)
#define STAGE2_STACK_SIZE _AC(0x1c00, UL)
#define ECKD2DUMP_SV_STACK_ADDRESS _AC(0xe000, UL)
#define ECKD2DUMP_SV_STACK_SIZE _AC(0x2000, UL)
#define ECKD2DUMP_STACK_ADDRESS _AC(0xe000, UL)
#define ECKD2DUMP_STACK_SIZE _AC(0x2000, UL)
#define STAGE2_MAX_SIZE _AC(0x3000, UL)
#define STAGE2_DUMPER_SIZE_V1 _AC(0x1000, UL)