| /****************************************************************************** |
| * |
| * Copyright (C) 2004 - 2014 Xilinx, Inc. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * Use of the Software is limited solely to applications: |
| * (a) running on a Xilinx device, or |
| * (b) that interact with a Xilinx device through a bus or interconnect. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
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| * this Software without prior written authorization from Xilinx. |
| * |
| ******************************************************************************/ |
| /****************************************************************************** |
| * |
| * Enable exceptions on microblaze. |
| * |
| * |
| ******************************************************************************/ |
| |
| #include "xparameters.h" |
| |
| .text |
| .globl microblaze_enable_exceptions |
| .ent microblaze_enable_exceptions |
| .align 2 |
| microblaze_enable_exceptions: |
| #if XPAR_MICROBLAZE_USE_MSR_INSTR == 1 |
| rtsd r15, 8; |
| msrset r0, 0x100 |
| #else /*XPAR_MICROBLAZE_USE_MSR_INSTR == 1*/ |
| mfs r4, rmsr; |
| ori r4, r4, 0x100; /* Turn ON the EE bit */ |
| mts rmsr, r4; |
| rtsd r15, 8; |
| nop; |
| #endif /*XPAR_MICROBLAZE_USE_MSR_INSTR == 1*/ |
| .end microblaze_enable_exceptions |
