1 #ifndef CYGONCE_HAL_HAL_DIAG_H
2 #define CYGONCE_HAL_HAL_DIAG_H
4 /*=============================================================================
8 // HAL Support for Kernel Diagnostic Routines
10 //=============================================================================
11 //####ECOSGPLCOPYRIGHTBEGIN####
12 // -------------------------------------------
13 // This file is part of eCos, the Embedded Configurable Operating System.
14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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.
39 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
40 // at http://sources.redhat.com/ecos/ecos-license/
41 // -------------------------------------------
42 //####ECOSGPLCOPYRIGHTEND####
43 //=============================================================================
44 //#####DESCRIPTIONBEGIN####
47 // Contributors: nickg
49 // Purpose: HAL Support for Kernel Diagnostic Routines
50 // Description: Diagnostic routines for use during kernel development.
51 // Usage: #include <cyg/hal/hal_diag.h>
53 //####DESCRIPTIONEND####
55 //===========================================================================*/
57 #include <pkgconf/hal.h>
59 #include <cyg/infra/cyg_type.h>
61 /*---------------------------------------------------------------------------*/
62 /* Register addresses */
64 #define PAL_RESET 0x00
65 #define PAL_CPU_NR 0x04
67 #define PAL_NR_CPU 0x0a
69 #define PAL_READ_FIFO 0x10
70 #define PAL_READ_STATUS 0x14
71 #define PAL_WRITE_FIFO 0x18
72 #define PAL_WRITE_STATUS 0x1a
74 #define OEA_DEV 0x31000000
76 /*---------------------------------------------------------------------------*/
78 #define HAL_DIAG_INIT()
80 #define HAL_DIAG_WRITE_CHAR(_c_) \
82 volatile unsigned char *tty_buffer = \
83 (unsigned char*)(OEA_DEV + PAL_WRITE_FIFO); \
84 volatile unsigned char *tty_status = \
85 (unsigned char*)(OEA_DEV + PAL_WRITE_STATUS); \
88 while( *tty_status == 0 ) continue; \
93 #define HAL_DIAG_READ_CHAR(_c_) \
95 volatile unsigned char *tty_buffer = \
96 (unsigned char*)(OEA_DEV + PAL_READ_FIFO); \
97 volatile unsigned char *tty_status = \
98 (unsigned char*)(OEA_DEV + PAL_READ_STATUS); \
99 while( *tty_status == 0 ) continue; \
103 /*---------------------------------------------------------------------------*/
104 /* end of hal_diag.h */
105 #endif /* CYGONCE_HAL_HAL_DIAG_H */