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annotate packages/hal/sparclite/sim/current/include/hal_diag.h @ 64:c38311975d4f ecos-sw-2000-01-28
Merge from eCos master repository on 2000-01-28-04:28:11-GMT
| author | jlarmour |
|---|---|
| date | Fri, 28 Jan 2000 04:59:39 +0000 |
| parents | 443894e2e912 |
| children | bf00f99aec69 |
| rev | line source |
|---|---|
| 2 | 1 #ifndef CYGONCE_HAL_HAL_DIAG_H |
| 2 #define CYGONCE_HAL_HAL_DIAG_H | |
| 3 | |
| 4 /*============================================================================= | |
| 5 // | |
| 6 // hal_diag.h | |
| 7 // | |
| 8 // HAL Support for Kernel Diagnostic Routines | |
| 9 // | |
| 10 //============================================================================= | |
| 11 //####COPYRIGHTBEGIN#### | |
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12 // |
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13 // ------------------------------------------- |
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14 // The contents of this file are subject to the Red Hat eCos Public License |
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15 // Version 1.0 (the "License"); you may not use this file except in |
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16 // compliance with the License. You may obtain a copy of the License at |
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17 // http://sourceware.cygnus.com/ecos |
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18 // |
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19 // Software distributed under the License is distributed on an |
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20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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21 // License for the specific language governing rights and limitations under |
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22 // the License. |
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23 // |
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24 // The Original Code is eCos - Embedded Configurable Operating System, |
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25 // released September 30, 1998. |
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26 // |
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27 // The Initial Developer of the Original Code is Red Hat. |
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28 // Portions created by Red Hat are |
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29 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. |
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30 // All Rights Reserved. |
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31 // ------------------------------------------- |
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32 // |
| 2 | 33 //####COPYRIGHTEND#### |
| 34 //============================================================================= | |
| 35 //#####DESCRIPTIONBEGIN#### | |
| 36 // | |
| 37 // Author(s): hmt | |
| 38 // Contributors: hmt | |
| 39 // Date: 1999-01-11 | |
| 40 // Purpose: HAL Support for Kernel Diagnostic Routines | |
| 41 // Description: Diagnostic routines for use during kernel development. | |
| 42 // Usage: #include <cyg/hal/hal_diag.h> | |
| 43 // | |
| 44 //####DESCRIPTIONEND#### | |
| 45 // | |
| 46 //===========================================================================*/ | |
| 47 | |
| 48 #include <pkgconf/hal.h> | |
| 49 | |
| 50 #include <cyg/infra/cyg_type.h> | |
| 51 | |
| 52 /*---------------------------------------------------------------------------*/ | |
| 53 | |
| 54 #define CYG_DIAG_USE_ERC32 | |
| 55 | |
| 56 /*---------------------------------------------------------------------------*/ | |
| 57 | |
| 58 #ifdef CYG_DIAG_USE_ERC32 | |
| 59 | |
| 60 /*---------------------------------------------------------------------------*/ | |
| 61 /* Register addresses */ | |
| 62 | |
| 63 #define SPARC_MEC_UART (0x01f800e0) | |
| 64 | |
| 65 /* These must be accessed word-wide to work! */ | |
| 66 #define SPARC_MEC_UART_IO( x ) ((cyg_uint32)(x)) | |
| 67 | |
| 68 #define SPARC_MEC_UART_A_RX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 0)) | |
| 69 #define SPARC_MEC_UART_A_TX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 0)) | |
| 70 #define SPARC_MEC_UART_B_RX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 4)) | |
| 71 #define SPARC_MEC_UART_B_TX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 4)) | |
| 72 #define SPARC_MEC_UART_STATUS ((volatile cyg_uint32 *)(SPARC_MEC_UART + 8)) | |
| 73 #define SPARC_MEC_UART_RXAMASK (0x00006) | |
| 74 #define SPARC_MEC_UART_RXBMASK (0x60000) | |
| 75 #define SPARC_MEC_UART_TXAMASK (0x00001) | |
| 76 #define SPARC_MEC_UART_TXBMASK (0x10000) | |
| 77 | |
| 78 | |
| 79 /*---------------------------------------------------------------------------*/ | |
| 80 | |
| 81 #define HAL_DIAG_INIT() | |
| 82 | |
| 83 #define HAL_DIAG_WRITE_CHAR(_c_) \ | |
| 84 { \ | |
| 85 if( 1 || _c_ != '\r' ) \ | |
| 86 { \ | |
| 87 while( (SPARC_MEC_UART_RXAMASK & *SPARC_MEC_UART_STATUS) == 0 ) \ | |
| 88 continue; \ | |
| 89 *SPARC_MEC_UART_A_TX = SPARC_MEC_UART_IO(_c_); \ | |
| 90 } \ | |
| 91 } | |
| 92 | |
| 93 #define HAL_DIAG_READ_CHAR(_c_) \ | |
| 94 { \ | |
| 95 while( (SPARC_MEC_UART_TXAMASK & *SPARC_MEC_UART_STATUS) == 0 ) \ | |
| 96 continue; \ | |
| 97 _c_ = (char)*SPARC_MEC_UART_A_TX; \ | |
| 98 } | |
| 99 | |
| 100 #define XHAL_DIAG_WRITE_CHAR(_c_) \ | |
| 101 { \ | |
| 102 if( _c_ != '\r' ) \ | |
| 103 { \ | |
| 104 *SPARC_MEC_UART_A_TX = SPARC_MEC_UART_IO(_c_); \ | |
| 105 } \ | |
| 106 } | |
| 107 | |
| 108 #define XHAL_DIAG_READ_CHAR(_c_) \ | |
| 109 { \ | |
| 110 _c_ = (char)*SPARC_MEC_UART_A_TX; \ | |
| 111 } | |
| 112 | |
| 113 #else | |
| 114 /*---------------------------------------------------------------------------*/ | |
| 115 /* There is no diagnostic output on SPARCLITE simulator */ | |
| 116 | |
| 117 #define HAL_DIAG_INIT() | |
| 118 | |
| 119 #define HAL_DIAG_WRITE_CHAR(_c_) | |
| 120 | |
| 121 #define HAL_DIAG_READ_CHAR(_c_) (_c_) = 0 | |
| 122 | |
| 123 #endif | |
| 124 | |
| 125 /*---------------------------------------------------------------------------*/ | |
| 126 /* end of hal_diag.h */ | |
| 127 #endif /* CYGONCE_HAL_HAL_DIAG_H */ |