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Last change
on this file since 565 was
444,
checked in by satin@…, 7 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.1 KB
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| Rev | Line | |
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| [444] | 1 | /* |
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| 2 | * sim-read.S -- read interface for frv simulator |
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| 3 | * |
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| 4 | * Copyright (c) 2002 Red Hat, Inc |
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| 5 | * |
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| 6 | * The authors hereby grant permission to use, copy, modify, distribute, |
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| 7 | * and license this software and its documentation for any purpose, provided |
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| 8 | * that existing copyright notices are retained in all copies and that this |
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| 9 | * notice is included verbatim in any distributions. No written agreement, |
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| 10 | * license, or royalty fee is required for any of the authorized uses. |
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| 11 | * Modifications to this software may be copyrighted by their authors |
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| 12 | * and need not follow the licensing terms described here, provided that |
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| 13 | * the new terms are clearly indicated on the first page of each file where |
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| 14 | * they apply. |
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| 15 | */ |
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| 16 | |
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| 17 | #include <frv-asm.h> |
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| 18 | |
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| 19 | #include "syscall.h" |
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| 20 | |
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| 21 | /* |
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| 22 | * Input: |
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| 23 | * gr8 -- File descriptor. |
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| 24 | * gr9 -- Buffer to be read into. |
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| 25 | * gr10 -- Length of the buffer. |
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| 26 | * |
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| 27 | * Output: |
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| 28 | * gr8 -- Length read or -1. |
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| 29 | * errno -- Set if an error |
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| 30 | */ |
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| 31 | |
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| 32 | .globl EXT(_read) |
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| 33 | .type EXT(_read),@function |
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| 34 | .weak EXT(read) |
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| 35 | .text |
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| 36 | EXT(_read): |
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| 37 | EXT(read): |
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| 38 | setlos #SYS_read,gr7 |
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| 39 | tira gr0,#0 |
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| 40 | ret |
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| 41 | .Lend: |
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| 42 | .size EXT(_read),.Lend-EXT(_read) |
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