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 #define NOP __asm__ __volatile__ ("nop"); 47 48 /* use machine status registe USE_MSR_REG */ 49 #if XILINX_USE_MSR_INSTR == 1 50 #define MSRSET(val) \ 51 __asm__ __volatile__ ("msrset r0," #val ); 52 53 #define MSRCLR(val) \ 54 __asm__ __volatile__ ("msrclr r0," #val ); 55 56 #else 57 #define MSRSET(val) \ 58 { \ 59 register unsigned tmp; \ 60 __asm__ __volatile__ (" \ 61 mfs %0, rmsr; \ 62 ori %0, %0, "#val"; \ 63 mts rmsr, %0; \ 64 nop;" \ 65 : "=r" (tmp) \ 66 : "d" (val) \ 67 : "memory"); \ 68 } 69 70 #define MSRCLR(val) \ 71 { \ 72 register unsigned tmp; \ 73 __asm__ __volatile__ (" \ 74 mfs %0, rmsr; \ 75 andi %0, %0, ~"#val"; \ 76 mts rmsr, %0; \ 77 nop;" \ 78 : "=r" (tmp) \ 79 : "d" (val) \ 80 : "memory"); \ 81 } 82 #endif 83