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https://github.com/ibm-s390-linux/s390-tools.git
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b627b8d8e1
This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
38 lines
1.2 KiB
ArmAsm
38 lines
1.2 KiB
ArmAsm
#
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# IPL stage 1 loader for ECKD
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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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# Stage 1 is loaded to 0x18-0x80 and is used to load stage 1b (two blocks) with
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# seek/search/tic/read CCWs. After stage 1b is loaded we tic to it.
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.globl _start
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_start:
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.long 0x07000000+.Lseek1,0x60000006 # seek 1
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.Lsearch1:
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.long 0x31000000+.Lseek1+2,0x60000005 # search
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.long 0x08000000+.Lsearch1,0x00000000 # tic back to search until found
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.long 0x06000000,0x40000000 # read
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.long 0x07000000+.Lseek2,0x60000006 # seek 2
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.Lsearch2:
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.long 0x31000000+.Lseek2+2,0x60000005 # search
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.long 0x08000000+.Lsearch2,0x00000000 # tic back to search until found
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.long 0x06000000,0x40000000 # read
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.Ltick:
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.long 0x08000000,0x00000000 # tic to stage 1b
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.Lseek1:
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.long 0x00000000,0x00000000 # seekarg 1
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.Lseek2:
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.long 0x00000000,0x00000000 # seekarg 2
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.long 0x00000000,0x00000000 # bootinfo
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.long 0x00000000,0x00000000
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.long 0x00000000,0x00000000
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.long 0x00000000,0x00000000
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.long 0x00000000,0x00000000
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.Lend:
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