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2fe5f27975
Use STAGE2_ENTRY and PSW_LOAD instead of hard-coded values. While at it, also move the libc.h to the top in tape2dump.c. Reviewed-by: Philipp Rudo <prudo@linux.ibm.com> Reviewed-by: Stefan Haberland <sth@linux.ibm.com> Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
27 lines
849 B
ArmAsm
27 lines
849 B
ArmAsm
#
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# IPL stage 0 loader for ECKD Linux Disk Layout (LDL)
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#
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# Copyright IBM Corp. 2001, 2017
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#
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# s390-tools is free software; you can redistribute it and/or modify
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# it under the terms of the MIT license. See LICENSE for details.
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#
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# Startup for IPL at address 0
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# Second stage boot loader is loaded to 0x2000 and starts at 0x2018
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#
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# The first 24 bytes are loaded by IPL to addresses 0-23 (PSW and two CCWs).
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# The 1st CCW rewinds to record zero (read record zero)
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# The 2nd CCW reads stage 1 IPL record (re-read record 1) and continues with
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# command chaining at address 0x18
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#
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#include "boot/loaders_layout.h"
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#include "boot/s390.h"
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.org 0x0
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.globl _start
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_start:
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.quad PSW_LOAD+STAGE2_ENTRY # PSW :the first 24 byte are loaded by IPL
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.long 0x16002000,0x60000016 # Read record zero
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.long 0x06000000,0x60000080 # Read IPL record 1 again
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