root / pc-bios / s390-ccw / start.S @ ff151f4e
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/* |
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* First stage boot loader for virtio devices. The compiled output goes |
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* into the pc-bios directory of qemu. |
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* |
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* Copyright (c) 2013 Alexander Graf <agraf@suse.de> |
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* Copyright 2013 IBM Corp. |
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* |
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* This work is licensed under the terms of the GNU GPL, version 2 or (at |
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* your option) any later version. See the COPYING file in the top-level |
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* directory. |
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*/ |
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.globl _start |
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_start: |
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|
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larl %r15, stack + 0x8000 /* Set up stack */ |
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larl %r6, boot_value |
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stg %r7, 0(%r6) /* save the boot_value before any function calls */ |
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j main /* And call C */ |
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|
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/* |
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* void disabled_wait(void) |
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* |
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* stops the current guest cpu. |
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*/ |
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.globl disabled_wait |
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disabled_wait: |
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larl %r1,disabled_wait_psw |
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lpswe 0(%r1) |
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|
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.align 8 |
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disabled_wait_psw: |
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.quad 0x0002000180000000,0x0000000000000000 |