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Michal Simekf7e2e0e2007-05-05 18:27:16 +02001/*
2 * (C) Copyright 2007 Michal Simek
3 *
4 * Michal SIMEK <monstr@monstr.eu>
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 */
24
25/* FSL macros */
26#define NGET(val, fslnum) \
27 __asm__ __volatile__ ("nget %0, rfsl" #fslnum :"=r" (val));
Michal Simekab874d52007-05-08 14:39:11 +020028
Michal Simekf7e2e0e2007-05-05 18:27:16 +020029#define GET(val, fslnum) \
30 __asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val));
Michal Simekab874d52007-05-08 14:39:11 +020031
32#define NCGET(val, fslnum) \
33 __asm__ __volatile__ ("ncget %0, rfsl" #fslnum :"=r" (val));
34
35#define CGET(val, fslnum) \
36 __asm__ __volatile__ ("cget %0, rfsl" #fslnum :"=r" (val));
37
Michal Simekf7e2e0e2007-05-05 18:27:16 +020038#define NPUT(val, fslnum) \
39 __asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val));
Michal Simekab874d52007-05-08 14:39:11 +020040
Michal Simekf7e2e0e2007-05-05 18:27:16 +020041#define PUT(val, fslnum) \
42 __asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val));
Michal Simek48fbd3a2007-05-07 17:11:09 +020043
Michal Simekab874d52007-05-08 14:39:11 +020044#define NCPUT(val, fslnum) \
45 __asm__ __volatile__ ("ncput %0, rfsl" #fslnum ::"r" (val));
46
47#define CPUT(val, fslnum) \
48 __asm__ __volatile__ ("cput %0, rfsl" #fslnum ::"r" (val));
49
Michal Simekf7e2e0e2007-05-05 18:27:16 +020050/* CPU dependent */
Michal Simek1a50f1642007-05-08 14:52:52 +020051/* machine status register */
Michal Simeke69f66c2007-05-08 15:57:43 +020052#define MFS(val, reg) \
53 __asm__ __volatile__ ("mfs %0," #reg :"=r" (val));
Michal Simek48fbd3a2007-05-07 17:11:09 +020054
Michal Simeke69f66c2007-05-08 15:57:43 +020055#define MTS(val, reg) \
56 __asm__ __volatile__ ("mts " #reg ", %0"::"r" (val));
Michal Simek1a50f1642007-05-08 14:52:52 +020057
Michal Simekfb05f6d2007-05-07 23:58:31 +020058/* get return address from interrupt */
Michal Simek48fbd3a2007-05-07 17:11:09 +020059#define R14(val) \
60 __asm__ __volatile__ ("addi %0, r14, 0":"=r" (val));
Michal Simekfb05f6d2007-05-07 23:58:31 +020061
Michal Simeke69f66c2007-05-08 15:57:43 +020062#define NOP __asm__ __volatile__ ("nop");
63
Michal Simekfb05f6d2007-05-07 23:58:31 +020064/* use machine status registe USE_MSR_REG */
Michal Simekb777a372011-02-07 10:30:45 +010065#if XILINX_USE_MSR_INSTR == 1
Michal Simekfb05f6d2007-05-07 23:58:31 +020066#define MSRSET(val) \
67 __asm__ __volatile__ ("msrset r0," #val );
68
69#define MSRCLR(val) \
70 __asm__ __volatile__ ("msrclr r0," #val );
71
72#else
73#define MSRSET(val) \
74{ \
75 register unsigned tmp; \
76 __asm__ __volatile__ (" \
Wolfgang Denk53677ef2008-05-20 16:00:29 +020077 mfs %0, rmsr; \
Michal Simekfb05f6d2007-05-07 23:58:31 +020078 ori %0, %0, "#val"; \
79 mts rmsr, %0; \
80 nop;" \
81 : "=r" (tmp) \
82 : "d" (val) \
83 : "memory"); \
84}
85
86#define MSRCLR(val) \
87{ \
88 register unsigned tmp; \
89 __asm__ __volatile__ (" \
Wolfgang Denk53677ef2008-05-20 16:00:29 +020090 mfs %0, rmsr; \
Michal Simekfb05f6d2007-05-07 23:58:31 +020091 andi %0, %0, ~"#val"; \
92 mts rmsr, %0; \
93 nop;" \
94 : "=r" (tmp) \
95 : "d" (val) \
96 : "memory"); \
97}
98#endif