From e69f66c6ebe82bbbd1da766bc4eda40ec7ee5af1 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 8 May 2007 15:57:43 +0200 Subject: add: reading special purpose registers --- include/asm-microblaze/asm.h | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) (limited to 'include') diff --git a/include/asm-microblaze/asm.h b/include/asm-microblaze/asm.h index 8302ed8..f10f89c 100755 --- a/include/asm-microblaze/asm.h +++ b/include/asm-microblaze/asm.h @@ -49,23 +49,18 @@ /* CPU dependent */ /* machine status register */ -#define MFS(val) \ - __asm__ __volatile__ ("mfs %0, rmsr":"=r" (val)); +#define MFS(val, reg) \ + __asm__ __volatile__ ("mfs %0," #reg :"=r" (val)); -#define MTS(val) \ - __asm__ __volatile__ ("mts rmsr, %0"::"r" (val)); - -/* exception status register */ -#define MFSEAR(val) \ - __asm__ __volatile ("mfs %0,rear":"=r" (val)); - -#define MFSESR(val) \ - __asm__ __volatile ("mfs %0,resr":"=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)); +#define NOP __asm__ __volatile__ ("nop"); + /* use machine status registe USE_MSR_REG */ #ifdef XILINX_USE_MSR_INSTR #define MSRSET(val) \ -- cgit v1.1