FreeEMS: memory.h Source File

00001 /* FreeEMS - the open source engine management system
00002  *
00003  * Copyright 2008, 2009 Fred Cooke
00004  *
00005  * This file is part of the FreeEMS project.
00006  *
00007  * FreeEMS software is free software: you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation, either version 3 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * FreeEMS software is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with any FreeEMS software.  If not, see http://www.gnu.org/licenses/
00019  *
00020  * We ask that if you make any changes to this file you email them upstream to
00021  * us at admin(at)diyefi(dot)org or, even better, fork the code on github.com!
00022  *
00023  * Thank you for choosing FreeEMS to run your engine!
00024  */
00025 
00026 
00041 /* Header file multiple inclusion protection courtesy eclipse Header Template   */
00042 /* and http://gcc.gnu.org/onlinedocs/gcc-3.1.1/cpp/ C pre processor manual      */
00043 #ifndef FILE_MEMORY_H_SEEN
00044 #define FILE_MEMORY_H_SEEN
00045 
00046 
00047 /* http://gcc.gnu.org/onlinedocs/gcc-4.0.0/gcc/Variable-Attributes.html */
00048 
00049 /* EEPROM */
00050 //#define EEPROM __attribute__ ((section (".eeprom")))
00051 /* EEPROM would appear to not be loadable by hcs12mem       */
00052 /* Furthermore it isn't really needed except in code anyway */
00053 
00054 /* RAM divided up into special purpose blocks */
00055 #define RWINDOW     __attribute__ ((section (".rpage")))        /* ~4k paged RAM window */
00056 #define RXBUF       __attribute__ ((section (".rxbuf")))        /* ~2k block of RAM for receive buffer */
00057 #define TXBUF       __attribute__ ((section (".txbuf")))        /* ~2k block of RAM for transmit buffer */
00058 // 4k of ram for general variable and stack use, need to put some aside for xgate!!
00059 
00060 /* Direct flash blocks */
00061 #define FIXEDCONF1  __attribute__ ((section (".fixedconf1"))) /*  1k unpaged block, primary static configuration.       */
00062 #define FIXEDCONF2  __attribute__ ((section (".fixedconf2"))) /*  1k unpaged block, secondary static configuration.     */
00063 #define TEXT1       __attribute__ ((section (".text1")))      /* 14k unpaged block, must be explicitly used.            */
00064 #define TEXT        __attribute__ ((section (".text")))       /* 14k unpaged block, code defaults to being stored here. */
00065 /*define SERMON     __attribute__ ((section (".sermon")))         2k unpaged block, occupied by AN2548 serial monitor.  */
00066 
00067 
00068 /* far shortcut for data */
00069 #define DFAR(label) __attribute__ ((section (label)))
00070 /* far shortcut for functions */
00071 #define FFAR(label) __attribute__ ((far)) __attribute__ ((section (label)))
00072 
00073 
00074 /* Paged flash blocks for functions */
00075 #define FPPAGE_E0 FFAR(".ppageE0")
00076 #define FPPAGE_E1 FFAR(".ppageE1")
00077 #define FPPAGE_E2 FFAR(".ppageE2")
00078 #define FPPAGE_E3 FFAR(".ppageE3")
00079 #define FPPAGE_E4 FFAR(".ppageE4")
00080 #define FPPAGE_E5 FFAR(".ppageE5")
00081 #define FPPAGE_E6 FFAR(".ppageE6")
00082 #define FPPAGE_E7 FFAR(".ppageE7")
00083 #define FPPAGE_E8 FFAR(".ppageE8")
00084 #define FPPAGE_E9 FFAR(".ppageE9")
00085 #define FPPAGE_EA FFAR(".ppageEA")
00086 #define FPPAGE_EB FFAR(".ppageEB")
00087 #define FPPAGE_EC FFAR(".ppageEC")
00088 #define FPPAGE_ED FFAR(".ppageED")
00089 #define FPPAGE_EE FFAR(".ppageEE")
00090 #define FPPAGE_EF FFAR(".ppageEF")
00091 #define FPPAGE_F0 FFAR(".ppageF0")
00092 #define FPPAGE_F1 FFAR(".ppageF1")
00093 #define FPPAGE_F2 FFAR(".ppageF2")
00094 #define FPPAGE_F3 FFAR(".ppageF3")
00095 #define FPPAGE_F4 FFAR(".ppageF4")
00096 #define FPPAGE_F5 FFAR(".ppageF5")
00097 #define FPPAGE_F6 FFAR(".ppageF6")
00098 #define FPPAGE_F7 FFAR(".ppageF7")
00099 
00100 /* Paged flash blocks for data */
00101 #define PPAGE_E0 DFAR(".ppageE0")
00102 #define PPAGE_E1 DFAR(".ppageE1")
00103 #define PPAGE_E2 DFAR(".ppageE2")
00104 #define PPAGE_E3 DFAR(".ppageE3")
00105 #define PPAGE_E4 DFAR(".ppageE4")
00106 #define PPAGE_E5 DFAR(".ppageE5")
00107 #define PPAGE_E6 DFAR(".ppageE6")
00108 #define PPAGE_E7 DFAR(".ppageE7")
00109 #define PPAGE_E8 DFAR(".ppageE8")
00110 #define PPAGE_E9 DFAR(".ppageE9")
00111 #define PPAGE_EA DFAR(".ppageEA")
00112 #define PPAGE_EB DFAR(".ppageEB")
00113 #define PPAGE_EC DFAR(".ppageEC")
00114 #define PPAGE_ED DFAR(".ppageED")
00115 #define PPAGE_EE DFAR(".ppageEE")
00116 #define PPAGE_EF DFAR(".ppageEF")
00117 #define PPAGE_F0 DFAR(".ppageF0")
00118 #define PPAGE_F1 DFAR(".ppageF1")
00119 #define PPAGE_F2 DFAR(".ppageF2")
00120 #define PPAGE_F3 DFAR(".ppageF3")
00121 #define PPAGE_F4 DFAR(".ppageF4")
00122 #define PPAGE_F5 DFAR(".ppageF5")
00123 #define PPAGE_F6 DFAR(".ppageF6")
00124 #define PPAGE_F7 DFAR(".ppageF7")
00125 
00126 /* ONLY use the pages below this line for now (Or you won't be able to load them...) */
00127 
00128 /* General Purpose Page with PPAGE = 0xF8 */
00129 #define FPAGE_F8 FFAR(".fpageF8")
00130 #define DPAGE_F8 DFAR(".dpageF8")
00131 #define PAGE_F8_PPAGE 0xF8
00132 
00133 /* Function and large lookup tables for ADC to value mapping */
00134 #define LOOKUPF FFAR(".fpageF9")
00135 #define LOOKUPD DFAR(".dpageF9")
00136 #define LOOKUP_PPAGE 0xF9
00137 
00138 /* Fuel tables and the function for copying it up to RAM */
00139 #define FUELTABLESF FFAR(".fpageFA")
00140 #define FUELTABLESD DFAR(".dpageFA")
00141 #define FUELTABLES_PPAGE 0xFA
00142 
00143 /* Tunable tables etc and the function for copying them up to RAM */
00144 #define TUNETABLESF FFAR(".fpageFB")
00145 #define TUNETABLESD1 DFAR(".dpageFB1")
00146 #define TUNETABLESD2 DFAR(".dpageFB2")
00147 #define TUNETABLESD3 DFAR(".dpageFB3")
00148 #define TUNETABLESD4 DFAR(".dpageFB4")
00149 #define TUNETABLESD5 DFAR(".dpageFB5")
00150 #define TUNETABLESD6 DFAR(".dpageFB6")
00151 #define TUNETABLESD7 DFAR(".dpageFB7")
00152 #define TUNETABLESD8 DFAR(".dpageFB8")
00153 #define TUNETABLES_PPAGE 0xFB
00154 
00155 /* Timing tables and the function for copying them up to RAM */
00156 #define TIMETABLESF FFAR(".fpageFC")
00157 #define TIMETABLESD DFAR(".dpageFC")
00158 #define TIMETABLES_PPAGE 0xFC
00159 
00160 /* General Purpose Page with PPAGE = 0xFE */
00161 #define FPAGE_FE FFAR(".ppageFE")   /* This is the block that is present in the page window using linear addressing, represents 0x8000 - 0xBFFF ("text2" paged) */
00162 #define DPAGE_FE DFAR(".ppageFE")   /* This is the block that is present in the page window using linear addressing, represents 0x8000 - 0xBFFF ("text2" paged) */
00163 //#define FPAGE_FD FFAR(".ppageFD") /* Represents 0x4000 - 0x7FFF ("text1" paged) */
00164 //#define DPAGE_FD DFAR(".ppageFD") /* Represents 0x4000 - 0x7FFF ("text1" paged) */
00165 //#define FPAGE_FF FFAR(".ppageFF") /* Represents 0xC000 - 0xFFFF ("text" paged) */
00166 //#define DPAGE_FF DFAR(".ppageFF") /* Represents 0xC000 - 0xFFFF ("text" paged) */
00167 /* The previous four lines are included for clarity only. */
00168 /* Changes to the memory layout should be reflected in memory.x and Makefile also */
00169 
00170 
00171 #else
00172     /* let us know if we are being untidy with headers */
00173     #warning "Header file MEMORY_H seen before, sort it out!"
00174 /* end of the wrapper ifdef from the very top */
00175 #endif