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Last change
on this file since 534 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:
1.2 KB
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| 1 | /* |
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| 2 | * sim-open.S -- open interface for FT32 simulator |
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| 3 | * |
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| 4 | * Copyright (C) 2015 FTDI (support@ftdichip.com) |
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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 "syscall.h" |
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| 18 | |
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| 19 | /* |
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| 20 | * Input: |
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| 21 | * $r0 -- File name to open. |
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| 22 | * $r1 -- open mode. |
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| 23 | * -0x12($fp) -- optionally, the permission bits to set the file to. |
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| 24 | * |
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| 25 | * Output: |
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| 26 | * $r0 -- file descriptor or -1. |
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| 27 | * errno -- Set if an error |
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| 28 | */ |
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| 29 | |
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| 30 | .globl _open |
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| 31 | .type _open,@function |
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| 32 | .weak open |
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| 33 | .text |
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| 34 | _open: |
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| 35 | open: |
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| 36 | # swi SYS_open |
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| 37 | return |
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| 38 | .Lend: |
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| 39 | .size _open,.Lend-_open |
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