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ff151f4ec9
Use the passed device, if there is no device, use the first applicable device. Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
34 lines
847 B
ArmAsm
34 lines
847 B
ArmAsm
/*
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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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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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* 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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.align 8
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disabled_wait_psw:
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.quad 0x0002000180000000,0x0000000000000000
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