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