1 #ifndef CYGONCE_HAL_VAR_INTR_H
2 #define CYGONCE_HAL_VAR_INTR_H
4 //=============================================================================
8 // Processor-specific interrupt support
10 //=============================================================================
11 //####ECOSGPLCOPYRIGHTBEGIN####
12 // -------------------------------------------
13 // This file is part of eCos, the Embedded Configurable Operating System.
14 // Copyright (C) 2005 eCosCentric Ltd.
16 // eCos is free software; you can redistribute it and/or modify it under
17 // the terms of the GNU General Public License as published by the Free
18 // Software Foundation; either version 2 or (at your option) any later version.
20 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
21 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
25 // You should have received a copy of the GNU General Public License along
26 // with eCos; if not, write to the Free Software Foundation, Inc.,
27 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
29 // As a special exception, if other files instantiate templates or use macros
30 // or inline functions from this file, or you compile this file and link it
31 // with other works to produce a work based on this file, this file does not
32 // by itself cause the resulting work to be covered by the GNU General Public
33 // License. However the source code for this file must still be made available
34 // in accordance with section (3) of the GNU General Public License.
36 // This exception does not invalidate any other reasons why a work based on
37 // this file might be covered by the GNU General Public License.
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //=============================================================================
41 //#####DESCRIPTIONBEGIN####
45 // Usage: #include <cyg/hal/hal_intr.h>
47 //####DESCRIPTIONEND####
49 //=============================================================================
51 // The architectural HAL provides the bogomips rating. This is an
52 // outer loop for the number of us and an inner loop for 1us. The
53 // alignment of the inner loop can greatly affect performance. The
54 // *16 of the bogomips rating seems to give about the right results
55 // on a range of hardware.
56 #define HAL_DELAY_US(_us_) \
69 : "r" (_us_), "r" (0), "g" (hal_bogomips+1) \
74 //--------------------------------------------------------------------------
75 #endif // CYGONCE_HAL_VAR_INTR_H