Mercurial > ecos
diff packages/hal/mips/arch/current/src/hal_syscall.c @ 208:e0c0827131d1 ecos
Merge from eCos master repository on 2002-05-20-20:11:54-BST
| author | jlarmour |
|---|---|
| date | Mon, 20 May 2002 22:19:26 +0000 |
| parents | b939e9cada46 |
| children | d2c90368aeef |
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--- a/packages/hal/mips/arch/current/src/hal_syscall.c +++ b/packages/hal/mips/arch/current/src/hal_syscall.c @@ -5,29 +5,38 @@ // // //============================================================================= -//####COPYRIGHTBEGIN#### -// -// ------------------------------------------- -// The contents of this file are subject to the Red Hat eCos Public License -// Version 1.1 (the "License"); you may not use this file except in -// compliance with the License. You may obtain a copy of the License at -// http://www.redhat.com/ -// -// Software distributed under the License is distributed on an "AS IS" -// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the -// License for the specific language governing rights and limitations under -// the License. -// -// The Original Code is eCos - Embedded Configurable Operating System, -// released September 30, 1998. -// -// The Initial Developer of the Original Code is Red Hat. -// Portions created by Red Hat are -// Copyright (C) 1998, 1999, 2000 Red Hat, Inc. -// All Rights Reserved. -// ------------------------------------------- -// -//####COPYRIGHTEND#### +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// +// eCos is free software; you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the Free +// Software Foundation; either version 2 or (at your option) any later version. +// +// eCos is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or +// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +// for more details. +// +// You should have received a copy of the GNU General Public License along +// with eCos; if not, write to the Free Software Foundation, Inc., +// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. +// +// As a special exception, if other files instantiate templates or use macros +// or inline functions from this file, or you compile this file and link it +// with other works to produce a work based on this file, this file does not +// by itself cause the resulting work to be covered by the GNU General Public +// License. However the source code for this file must still be made available +// in accordance with section (3) of the GNU General Public License. +// +// This exception does not invalidate any other reasons why a work based on +// this file might be covered by the GNU General Public License. +// +// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. +// at http://sources.redhat.com/ecos/ecos-license +// ------------------------------------------- +//####ECOSGPLCOPYRIGHTEND#### //============================================================================= //#####DESCRIPTIONBEGIN#### // @@ -62,7 +71,8 @@ extern CYG_ADDRWORD __do_syscall(CYG_ADDRWORD func, // syscall function number CYG_ADDRWORD arg1, CYG_ADDRWORD arg2, // up to four args. CYG_ADDRWORD arg3, CYG_ADDRWORD arg4, - CYG_ADDRWORD *retval); // syscall return value + CYG_ADDRWORD *retval, // syscall return value + CYG_ADDRWORD *sig); // signal to return (or 0) #define SYS_exit 1 #define SYS_interrupt 1000 @@ -71,7 +81,7 @@ int hal_syscall_handler(void) { CYG_ADDRWORD func, arg1, arg2, arg3, arg4; - CYG_ADDRWORD err; + CYG_ADDRWORD err, sig; func = get_register(REG_A0); arg1 = get_register(REG_A1); @@ -93,9 +103,9 @@ hal_syscall_handler(void) return SIGINT; } - if (__do_syscall(func, arg1, arg2, arg3, arg4, &err)) { + if (__do_syscall(func, arg1, arg2, arg3, arg4, &err, &sig)) { put_register(REG_V0, err); - return 0; + return (int)sig; } return SIGTRAP;
