?? microblaze_enable_dcache.s
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####################################################################### Copyright (c) 2004 Xilinx, Inc. All rights reserved. # # Xilinx, Inc. # XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A # COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS # ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR # STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION # IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE # FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. # XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO # THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO # ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE # FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY # AND FITNESS FOR A PARTICULAR PURPOSE. # # File : microblaze_enable_dcache.s# Date : 2002, March 20.# Company: Xilinx# Group : Emerging Software Technologies## Summary:# Enable dcache on the microblaze.## $Id: microblaze_enable_dcache.s,v 1.2.8.6 2005/11/15 23:40:58 salindac Exp $##################################################################### .text .globl microblaze_enable_dcache .ent microblaze_enable_dcache .align 2microblaze_enable_dcache: #Make space on stack for a temporary addi r1, r1, -4 #Save register r12 swi r12, r1, 0 #Read the MSR register mfs r12, rmsr #Set the interrupt enable bit ori r12, r12, 128 #Save the MSR register mts rmsr, r12 #Load register r12 lwi r12, r1, 0 #Return rtsd r15, 8 #Update stack in the delay slot addi r1, r1, 4 .end microblaze_enable_dcache
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