| /* SPDX-License-Identifier: GPL-2.0+ */ | |
| /* | |
| * (C) Copyright 2007 Michal Simek | |
| * | |
| * Michal SIMEK <monstr@monstr.eu> | |
| */ | |
| /* FSL macros */ | |
| #define NGET(val, fslnum) \ | |
| __asm__ __volatile__ ("nget %0, rfsl" #fslnum :"=r" (val)); | |
| #define GET(val, fslnum) \ | |
| __asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val)); | |
| #define NCGET(val, fslnum) \ | |
| __asm__ __volatile__ ("ncget %0, rfsl" #fslnum :"=r" (val)); | |
| #define CGET(val, fslnum) \ | |
| __asm__ __volatile__ ("cget %0, rfsl" #fslnum :"=r" (val)); | |
| #define NPUT(val, fslnum) \ | |
| __asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val)); | |
| #define PUT(val, fslnum) \ | |
| __asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val)); | |
| #define NCPUT(val, fslnum) \ | |
| __asm__ __volatile__ ("ncput %0, rfsl" #fslnum ::"r" (val)); | |
| #define CPUT(val, fslnum) \ | |
| __asm__ __volatile__ ("cput %0, rfsl" #fslnum ::"r" (val)); | |
| /* CPU dependent */ | |
| /* machine status register */ | |
| #define MFS(val, reg) \ | |
| __asm__ __volatile__ ("mfs %0," #reg :"=r" (val)); | |
| #define MTS(val, reg) \ | |
| __asm__ __volatile__ ("mts " #reg ", %0"::"r" (val)); | |
| /* get return address from interrupt */ | |
| #define R14(val) \ | |
| __asm__ __volatile__ ("addi %0, r14, 0":"=r" (val)); | |
| /* get return address from interrupt */ | |
| #define R17(val) \ | |
| __asm__ __volatile__ ("addi %0, r17, 0" : "=r" (val)); | |
| #define NOP __asm__ __volatile__ ("nop"); | |
| /* use machine status registe USE_MSR_REG */ | |
| #if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR == 1 | |
| #define MSRSET(val) \ | |
| __asm__ __volatile__ ("msrset r0," #val ); | |
| #define MSRCLR(val) \ | |
| __asm__ __volatile__ ("msrclr r0," #val ); | |
| #else | |
| #define MSRSET(val) \ | |
| { \ | |
| register unsigned tmp; \ | |
| __asm__ __volatile__ (" \ | |
| mfs %0, rmsr; \ | |
| ori %0, %0, "#val"; \ | |
| mts rmsr, %0; \ | |
| nop;" \ | |
| : "=r" (tmp) \ | |
| : "d" (val) \ | |
| : "memory"); \ | |
| } | |
| #define MSRCLR(val) \ | |
| { \ | |
| register unsigned tmp; \ | |
| __asm__ __volatile__ (" \ | |
| mfs %0, rmsr; \ | |
| andi %0, %0, ~"#val"; \ | |
| mts rmsr, %0; \ | |
| nop;" \ | |
| : "=r" (tmp) \ | |
| : "d" (val) \ | |
| : "memory"); \ | |
| } | |
| #endif |