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####
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 /*---------------------------------------------------------------------------*/
63 #define CYG_DIAG_USE_ERC32
65 /*---------------------------------------------------------------------------*/
67 #ifdef CYG_DIAG_USE_ERC32
69 /*---------------------------------------------------------------------------*/
70 /* Register addresses */
72 #define SPARC_MEC_UART (0x01f800e0)
74 /* These must be accessed word-wide to work! */
75 #define SPARC_MEC_UART_IO( x ) ((cyg_uint32)(x))
77 #define SPARC_MEC_UART_A_RX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 0))
78 #define SPARC_MEC_UART_A_TX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 0))
79 #define SPARC_MEC_UART_B_RX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 4))
80 #define SPARC_MEC_UART_B_TX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 4))
81 #define SPARC_MEC_UART_STATUS ((volatile cyg_uint32 *)(SPARC_MEC_UART + 8))
82 #define SPARC_MEC_UART_RXAMASK (0x00006)
83 #define SPARC_MEC_UART_RXBMASK (0x60000)
84 #define SPARC_MEC_UART_TXAMASK (0x00001)
85 #define SPARC_MEC_UART_TXBMASK (0x10000)
88 /*---------------------------------------------------------------------------*/
90 #define HAL_DIAG_INIT()
92 #define HAL_DIAG_WRITE_CHAR(_c_) \
94 if( 1 || _c_ != '\r' ) \
96 while( (SPARC_MEC_UART_RXAMASK & *SPARC_MEC_UART_STATUS) == 0 ) \
98 *SPARC_MEC_UART_A_TX = SPARC_MEC_UART_IO(_c_); \
102 #define HAL_DIAG_READ_CHAR(_c_) \
104 while( (SPARC_MEC_UART_TXAMASK & *SPARC_MEC_UART_STATUS) == 0 ) \
106 _c_ = (char)*SPARC_MEC_UART_A_TX; \
109 #define XHAL_DIAG_WRITE_CHAR(_c_) \
113 *SPARC_MEC_UART_A_TX = SPARC_MEC_UART_IO(_c_); \
117 #define XHAL_DIAG_READ_CHAR(_c_) \
119 _c_ = (char)*SPARC_MEC_UART_A_TX; \
123 /*---------------------------------------------------------------------------*/
124 /* There is no diagnostic output on SPARCLITE simulator */
126 #define HAL_DIAG_INIT()
128 #define HAL_DIAG_WRITE_CHAR(_c_)
130 #define HAL_DIAG_READ_CHAR(_c_) (_c_) = 0
134 /*---------------------------------------------------------------------------*/
135 /* end of hal_diag.h */
136 #endif /* CYGONCE_HAL_HAL_DIAG_H */