1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */ 2819833afSPeter Tyser /* 3819833afSPeter Tyser * (C) Copyright 2007 Michal Simek 4819833afSPeter Tyser * 5819833afSPeter Tyser * Michal SIMEK <monstr@monstr.eu> 6819833afSPeter Tyser */ 7819833afSPeter Tyser 8819833afSPeter Tyser /* FSL macros */ 9819833afSPeter Tyser #define NGET(val, fslnum) \ 10819833afSPeter Tyser __asm__ __volatile__ ("nget %0, rfsl" #fslnum :"=r" (val)); 11819833afSPeter Tyser 12819833afSPeter Tyser #define GET(val, fslnum) \ 13819833afSPeter Tyser __asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val)); 14819833afSPeter Tyser 15819833afSPeter Tyser #define NCGET(val, fslnum) \ 16819833afSPeter Tyser __asm__ __volatile__ ("ncget %0, rfsl" #fslnum :"=r" (val)); 17819833afSPeter Tyser 18819833afSPeter Tyser #define CGET(val, fslnum) \ 19819833afSPeter Tyser __asm__ __volatile__ ("cget %0, rfsl" #fslnum :"=r" (val)); 20819833afSPeter Tyser 21819833afSPeter Tyser #define NPUT(val, fslnum) \ 22819833afSPeter Tyser __asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val)); 23819833afSPeter Tyser 24819833afSPeter Tyser #define PUT(val, fslnum) \ 25819833afSPeter Tyser __asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val)); 26819833afSPeter Tyser 27819833afSPeter Tyser #define NCPUT(val, fslnum) \ 28819833afSPeter Tyser __asm__ __volatile__ ("ncput %0, rfsl" #fslnum ::"r" (val)); 29819833afSPeter Tyser 30819833afSPeter Tyser #define CPUT(val, fslnum) \ 31819833afSPeter Tyser __asm__ __volatile__ ("cput %0, rfsl" #fslnum ::"r" (val)); 32819833afSPeter Tyser 33819833afSPeter Tyser /* CPU dependent */ 34819833afSPeter Tyser /* machine status register */ 35819833afSPeter Tyser #define MFS(val, reg) \ 36819833afSPeter Tyser __asm__ __volatile__ ("mfs %0," #reg :"=r" (val)); 37819833afSPeter Tyser 38819833afSPeter Tyser #define MTS(val, reg) \ 39819833afSPeter Tyser __asm__ __volatile__ ("mts " #reg ", %0"::"r" (val)); 40819833afSPeter Tyser 41819833afSPeter Tyser /* get return address from interrupt */ 42819833afSPeter Tyser #define R14(val) \ 43819833afSPeter Tyser __asm__ __volatile__ ("addi %0, r14, 0":"=r" (val)); 44819833afSPeter Tyser 451c424d26SMichal Simek /* get return address from interrupt */ 461c424d26SMichal Simek #define R17(val) \ 471c424d26SMichal Simek __asm__ __volatile__ ("addi %0, r17, 0" : "=r" (val)); 481c424d26SMichal Simek 49819833afSPeter Tyser #define NOP __asm__ __volatile__ ("nop"); 50819833afSPeter Tyser 51819833afSPeter Tyser /* use machine status registe USE_MSR_REG */ 52ac551e34SMichal Simek #if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR == 1 53819833afSPeter Tyser #define MSRSET(val) \ 54819833afSPeter Tyser __asm__ __volatile__ ("msrset r0," #val ); 55819833afSPeter Tyser 56819833afSPeter Tyser #define MSRCLR(val) \ 57819833afSPeter Tyser __asm__ __volatile__ ("msrclr r0," #val ); 58819833afSPeter Tyser 59819833afSPeter Tyser #else 60819833afSPeter Tyser #define MSRSET(val) \ 61819833afSPeter Tyser { \ 62819833afSPeter Tyser register unsigned tmp; \ 63819833afSPeter Tyser __asm__ __volatile__ (" \ 64819833afSPeter Tyser mfs %0, rmsr; \ 65819833afSPeter Tyser ori %0, %0, "#val"; \ 66819833afSPeter Tyser mts rmsr, %0; \ 67819833afSPeter Tyser nop;" \ 68819833afSPeter Tyser : "=r" (tmp) \ 69819833afSPeter Tyser : "d" (val) \ 70819833afSPeter Tyser : "memory"); \ 71819833afSPeter Tyser } 72819833afSPeter Tyser 73819833afSPeter Tyser #define MSRCLR(val) \ 74819833afSPeter Tyser { \ 75819833afSPeter Tyser register unsigned tmp; \ 76819833afSPeter Tyser __asm__ __volatile__ (" \ 77819833afSPeter Tyser mfs %0, rmsr; \ 78819833afSPeter Tyser andi %0, %0, ~"#val"; \ 79819833afSPeter Tyser mts rmsr, %0; \ 80819833afSPeter Tyser nop;" \ 81819833afSPeter Tyser : "=r" (tmp) \ 82819833afSPeter Tyser : "d" (val) \ 83819833afSPeter Tyser : "memory"); \ 84819833afSPeter Tyser } 85819833afSPeter Tyser #endif 86