Last change
on this file since 486 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
2.1 KB
|
Rev | Line | |
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[444] | 1 | /* |
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| 2 | * Copyright (C) 2006 KPIT Cummins |
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| 3 | * Copyright (C) 2009 Conny Marco Menebröcker |
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| 4 | * All rights reserved. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms is permitted |
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| 7 | * provided that the above copyright notice and following paragraph are |
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| 8 | * duplicated in all such forms. |
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| 9 | * |
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| 10 | * This file is distributed WITHOUT ANY WARRANTY; without even the implied |
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| 11 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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| 12 | */ |
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| 13 | int trap0(int file, unsigned long ptr,int len) |
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| 14 | { |
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| 15 | asm volatile("TRAP #3"); |
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| 16 | return len; |
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| 17 | } |
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| 18 | |
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| 19 | |
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| 20 | int trap1(int file, unsigned long ptr,int len) |
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| 21 | { |
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| 22 | asm volatile("TRAP #4"); |
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| 23 | |
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| 24 | } |
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| 25 | |
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| 26 | int trap_lseek(int file, unsigned long ptr,int len) |
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| 27 | { |
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| 28 | asm volatile("TRAP #8"); |
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| 29 | |
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| 30 | } |
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| 31 | |
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| 32 | |
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| 33 | |
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| 34 | volatile int opensys(char *name,int flags,int perms) |
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| 35 | { |
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| 36 | #ifndef __xc16xL__ |
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| 37 | asm volatile("push r11\n" |
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| 38 | "mov r11,r10 \n" |
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| 39 | " mov r10,r9 \n" |
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| 40 | " mov r9,#0x300 \n" |
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| 41 | ); |
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| 42 | |
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| 43 | #endif |
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| 44 | |
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| 45 | asm volatile("trap #5"); |
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| 46 | #ifndef __xc16xL__ |
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| 47 | asm volatile("pop r11"); |
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| 48 | #endif |
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| 49 | } |
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| 50 | |
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| 51 | volatile int creatsys(char *name,int perms) |
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| 52 | { |
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| 53 | #ifndef __xc16xL__ |
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| 54 | asm volatile("push r10\n" |
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| 55 | " mov r10,r9 \n" |
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| 56 | " mov r9,#0x300 \n" |
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| 57 | ); |
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| 58 | |
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| 59 | #endif |
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| 60 | |
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| 61 | asm volatile("trap #7"); |
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| 62 | #ifndef __xc16xL__ |
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| 63 | asm volatile("pop r10"); |
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| 64 | #endif |
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| 65 | } |
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| 66 | |
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| 67 | |
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