1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2007 Michal Simek 4 * 5 * Michal SIMEK <monstr@monstr.eu> 6 */ 7 8 /* FSL macros */ 9 #define NGET(val, fslnum) \ 10 __asm__ __volatile__ ("nget %0, rfsl" #fslnum :"=r" (val)); 11 12 #define GET(val, fslnum) \ 13 __asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val)); 14 15 #define NCGET(val, fslnum) \ 16 __asm__ __volatile__ ("ncget %0, rfsl" #fslnum :"=r" (val)); 17 18 #define CGET(val, fslnum) \ 19 __asm__ __volatile__ ("cget %0, rfsl" #fslnum :"=r" (val)); 20 21 #define NPUT(val, fslnum) \ 22 __asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val)); 23 24 #define PUT(val, fslnum) \ 25 __asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val)); 26 27 #define NCPUT(val, fslnum) \ 28 __asm__ __volatile__ ("ncput %0, rfsl" #fslnum ::"r" (val)); 29 30 #define CPUT(val, fslnum) \ 31 __asm__ __volatile__ ("cput %0, rfsl" #fslnum ::"r" (val)); 32 33 /* CPU dependent */ 34 /* machine status register */ 35 #define MFS(val, reg) \ 36 __asm__ __volatile__ ("mfs %0," #reg :"=r" (val)); 37 38 #define MTS(val, reg) \ 39 __asm__ __volatile__ ("mts " #reg ", %0"::"r" (val)); 40 41 /* get return address from interrupt */ 42 #define R14(val) \ 43 __asm__ __volatile__ ("addi %0, r14, 0":"=r" (val)); 44 45 /* get return address from interrupt */ 46 #define R17(val) \ 47 __asm__ __volatile__ ("addi %0, r17, 0" : "=r" (val)); 48 49 #define NOP __asm__ __volatile__ ("nop"); 50 51 /* use machine status registe USE_MSR_REG */ 52 #if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR == 1 53 #define MSRSET(val) \ 54 __asm__ __volatile__ ("msrset r0," #val ); 55 56 #define MSRCLR(val) \ 57 __asm__ __volatile__ ("msrclr r0," #val ); 58 59 #else 60 #define MSRSET(val) \ 61 { \ 62 register unsigned tmp; \ 63 __asm__ __volatile__ (" \ 64 mfs %0, rmsr; \ 65 ori %0, %0, "#val"; \ 66 mts rmsr, %0; \ 67 nop;" \ 68 : "=r" (tmp) \ 69 : "d" (val) \ 70 : "memory"); \ 71 } 72 73 #define MSRCLR(val) \ 74 { \ 75 register unsigned tmp; \ 76 __asm__ __volatile__ (" \ 77 mfs %0, rmsr; \ 78 andi %0, %0, ~"#val"; \ 79 mts rmsr, %0; \ 80 nop;" \ 81 : "=r" (tmp) \ 82 : "d" (val) \ 83 : "memory"); \ 84 } 85 #endif 86