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https://github.com/ibm-s390-linux/s390-tools.git
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3c661da4ee
Replace the `lgfi` opcode with equivalents as z900 has no support for it. While at it, fix a comment in `genprotimg/boot/head.S` and remove a useless label in `genprotimg/boot/stage3b_reloc.S`. Closes: https://github.com/ibm-s390-tools/s390-tools/issues/86 Reviewed-by: Philipp Rudo <prudo@linux.ibm.com> Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
32 lines
686 B
ArmAsm
32 lines
686 B
ArmAsm
/*
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* Entry code for stage 3a and stage 3b boot loader
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*
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* Copyright IBM Corp. 2020
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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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#include "common_memory_layout.h"
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#include "boot/s390.h"
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#include "boot/sigp.h"
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.section .text.start
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.globl _start
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_start:
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/* Might be called after a diag308 so better set
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* architecture and addressing mode
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*/
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lhi %r1, 1
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sigp %r1, %r0, SIGP_SET_ARCHITECTURE
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sam64
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/* Initialize stack */
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basr %r13, 0
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.Lbase: llgf %r15, .Lstack - .Lbase(%r13)
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brasl %r14, initialize
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.Lstack: .long STACK_ADDRESS + STACK_SIZE - STACK_FRAME_OVERHEAD
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.previous
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