1: /* DEC Alpha
2:
3: Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2007 Free Software Foundation, Inc.
4:
5: This file is part of Gforth.
6:
7: Gforth is free software; you can redistribute it and/or
8: modify it under the terms of the GNU General Public License
9: as published by the Free Software Foundation; either version 2
10: of the License, or (at your option) any later version.
11:
12: This program is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
18: along with this program; if not, write to the Free Software
19: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20: */
21:
22: #if !defined(USE_TOS) && !defined(USE_NO_TOS)
23: #define USE_TOS
24: #endif
25:
26: #define FLUSH_ICACHE(addr,size) asm("call_pal 0x86") /* imb (instruction-memory barrier) */
27:
28: #include "../generic/machine.h"
29:
30: /* code padding */
31: #define CODE_ALIGNMENT 16
32: #define CODE_PADDING {0x1f, 0x04, 0xff, 0x47, 0x00, 0x00, 0xfe, 0x2f, \
33: 0x1f, 0x04, 0xff, 0x47, 0x00, 0x00, 0xfe, 0x2f}
34: #define MAX_PADDING 12
35:
36: #ifdef FORCE_REG
37: /* $9-$14 are callee-saved, $1-$8 and $22-$25 are caller-saved */
38: #define IPREG asm("$10")
39: #define SPREG asm("$11")
40: #define RPREG asm("$12")
41: #define LPREG asm("$13")
42: #define TOSREG asm("$14")
43: /* #define CFAREG asm("$22") egcs-1.0.3 crashes with any caller-saved
44: register decl */
45: #endif /* FORCE_REG */
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