| Michal Simek | f7e2e0e | 2007-05-05 18:27:16 +0200 | [diff] [blame] | 1 | /* |
| 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)); |
| 28 | #define GET(val, fslnum) \ |
| 29 | __asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val)); |
| 30 | #define NPUT(val, fslnum) \ |
| 31 | __asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val)); |
| 32 | #define PUT(val, fslnum) \ |
| 33 | __asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val)); |
| Michal Simek | 48fbd3a | 2007-05-07 17:11:09 +0200 | [diff] [blame] | 34 | |
| Michal Simek | f7e2e0e | 2007-05-05 18:27:16 +0200 | [diff] [blame] | 35 | /* CPU dependent */ |
| Michal Simek | 48fbd3a | 2007-05-07 17:11:09 +0200 | [diff] [blame] | 36 | #define MFS(val) \ |
| 37 | __asm__ __volatile__ ("mfs %0, rmsr":"=r" (val)); |
| 38 | |
| 39 | #define MTS(val) \ |
| 40 | __asm__ __volatile__ ("mts rmsr, %0"::"r" (val)); |
| 41 | |
| Michal Simek | fb05f6d | 2007-05-07 23:58:31 +0200 | [diff] [blame^] | 42 | /* get return address from interrupt */ |
| Michal Simek | 48fbd3a | 2007-05-07 17:11:09 +0200 | [diff] [blame] | 43 | #define R14(val) \ |
| 44 | __asm__ __volatile__ ("addi %0, r14, 0":"=r" (val)); |
| Michal Simek | fb05f6d | 2007-05-07 23:58:31 +0200 | [diff] [blame^] | 45 | |
| 46 | /* use machine status registe USE_MSR_REG */ |
| 47 | #ifdef XILINX_USE_MSR_INSTR |
| 48 | #define MSRSET(val) \ |
| 49 | __asm__ __volatile__ ("msrset r0," #val ); |
| 50 | |
| 51 | #define MSRCLR(val) \ |
| 52 | __asm__ __volatile__ ("msrclr r0," #val ); |
| 53 | |
| 54 | #else |
| 55 | #define MSRSET(val) \ |
| 56 | { \ |
| 57 | register unsigned tmp; \ |
| 58 | __asm__ __volatile__ (" \ |
| 59 | mfs %0, rmsr; \ |
| 60 | ori %0, %0, "#val"; \ |
| 61 | mts rmsr, %0; \ |
| 62 | nop;" \ |
| 63 | : "=r" (tmp) \ |
| 64 | : "d" (val) \ |
| 65 | : "memory"); \ |
| 66 | } |
| 67 | |
| 68 | #define MSRCLR(val) \ |
| 69 | { \ |
| 70 | register unsigned tmp; \ |
| 71 | __asm__ __volatile__ (" \ |
| 72 | mfs %0, rmsr; \ |
| 73 | andi %0, %0, ~"#val"; \ |
| 74 | mts rmsr, %0; \ |
| 75 | nop;" \ |
| 76 | : "=r" (tmp) \ |
| 77 | : "d" (val) \ |
| 78 | : "memory"); \ |
| 79 | } |
| 80 | #endif |