source: trunk/libs/newlib/src/libgloss/sparc_leon/mmu_asm.S @ 546

Last change on this file since 546 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.5 KB
Line 
1/*
2 * Copyright (c) 2011 Aeroflex Gaisler
3 *
4 * BSD license:
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25
26#include <asm-leon/leon.h>
27#include <asm-leon/leonstack.h>
28#include <asm-leon/asmmacro.h>
29       
30  .seg    "text"
31
32        ! srmmu trap or data access trap
33        /* ------- */
34        .weak   _srmmu_fault_svt
35        .set    _srmmu_fault_svt,__srmmu_fault_svt
36        .weak   _srmmu_fault
37        .set    _srmmu_fault,__srmmu_fault
38        /* ------- */
39
40/* 1 (inst) or 9 (data) in %l6 */       
41__srmmu_fault_svt:
42__srmmu_fault: 
43        ta 0; nop; nop; nop;
44        jmp  %l1                        ! Re-execute save.
45        rett %l2
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