1 /* 2 * (C) Copyright 2007 Michal Simek 3 * 4 * Michal SIMEK <monstr@monstr.eu> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 /* FSL macros */ 10 #define NGET(val, fslnum) \ 11 __asm__ __volatile__ ("nget %0, rfsl" #fslnum :"=r" (val)); 12 13 #define GET(val, fslnum) \ 14 __asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val)); 15 16 #define NCGET(val, fslnum) \ 17 __asm__ __volatile__ ("ncget %0, rfsl" #fslnum :"=r" (val)); 18 19 #define CGET(val, fslnum) \ 20 __asm__ __volatile__ ("cget %0, rfsl" #fslnum :"=r" (val)); 21 22 #define NPUT(val, fslnum) \ 23 __asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val)); 24 25 #define PUT(val, fslnum) \ 26 __asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val)); 27 28 #define NCPUT(val, fslnum) \ 29 __asm__ __volatile__ ("ncput %0, rfsl" #fslnum ::"r" (val)); 30 31 #define CPUT(val, fslnum) \ 32 __asm__ __volatile__ ("cput %0, rfsl" #fslnum ::"r" (val)); 33 34 /* CPU dependent */ 35 /* machine status register */ 36 #define MFS(val, reg) \ 37 __asm__ __volatile__ ("mfs %0," #reg :"=r" (val)); 38 39 #define MTS(val, reg) \ 40 __asm__ __volatile__ ("mts " #reg ", %0"::"r" (val)); 41 42 /* get return address from interrupt */ 43 #define R14(val) \ 44 __asm__ __volatile__ ("addi %0, r14, 0":"=r" (val)); 45 46 /* get return address from interrupt */ 47 #define R17(val) \ 48 __asm__ __volatile__ ("addi %0, r17, 0" : "=r" (val)); 49 50 #define NOP __asm__ __volatile__ ("nop"); 51 52 /* use machine status registe USE_MSR_REG */ 53 #if XILINX_USE_MSR_INSTR == 1 54 #define MSRSET(val) \ 55 __asm__ __volatile__ ("msrset r0," #val ); 56 57 #define MSRCLR(val) \ 58 __asm__ __volatile__ ("msrclr r0," #val ); 59 60 #else 61 #define MSRSET(val) \ 62 { \ 63 register unsigned tmp; \ 64 __asm__ __volatile__ (" \ 65 mfs %0, rmsr; \ 66 ori %0, %0, "#val"; \ 67 mts rmsr, %0; \ 68 nop;" \ 69 : "=r" (tmp) \ 70 : "d" (val) \ 71 : "memory"); \ 72 } 73 74 #define MSRCLR(val) \ 75 { \ 76 register unsigned tmp; \ 77 __asm__ __volatile__ (" \ 78 mfs %0, rmsr; \ 79 andi %0, %0, ~"#val"; \ 80 mts rmsr, %0; \ 81 nop;" \ 82 : "=r" (tmp) \ 83 : "d" (val) \ 84 : "memory"); \ 85 } 86 #endif 87