source: mainline/boot/arch/ia64/src/asm.S

Last change on this file was 8ca4b602, checked in by Jiří Zárevúcky <zarevucky.jiri@…>, 7 years ago

Pass IA-64 kernel entry point from C code

  • Property mode set to 100644
File size: 1.8 KB
Line 
1#
2# Copyright (c) 2006 Martin Decky
3# Copyright (c) 2006 Jakub Jermar
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9#
10# - Redistributions of source code must retain the above copyright
11# notice, this list of conditions and the following disclaimer.
12# - Redistributions in binary form must reproduce the above copyright
13# notice, this list of conditions and the following disclaimer in the
14# documentation and/or other materials provided with the distribution.
15# - The name of the author may not be used to endorse or promote products
16# derived from this software without specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28#
29
30#include <abi/asmtool.h>
31#include <arch/arch.h>
32
33.text
34
35FUNCTION_BEGIN(halt)
36 br halt
37FUNCTION_END(halt)
38
39FUNCTION_BEGIN(jump_to_kernel)
40 alloc loc0 = ar.pfs, 2, 1, 0, 0
41 mov r2 = in0 ;; # Pass bootinfo address
42 mov b1 = in1 ;; # Entry point address
43 br.call.sptk.many b0 = b1;;
44FUNCTION_END(jump_to_kernel)
45
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