00001 #ifndef _ARCH_ARM_H_ 00002 #define _ARCH_ARM_H_ 00003 00004 /* 00005 * Copyright (C) 2001-2006 by egnite Software GmbH. All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * 3. Neither the name of the copyright holders nor the names of 00017 * contributors may be used to endorse or promote products derived 00018 * from this software without specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00021 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00024 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00027 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00028 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00029 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00030 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00031 * SUCH DAMAGE. 00032 * 00033 * For additional information see http://www.ethernut.de/ 00034 */ 00035 00036 /* 00037 * $Log: arm.h,v $ 00038 * Revision 1.19 2008/02/15 17:00:24 haraldkipp 00039 * Spport for AT91SAM7SE512 added. 00040 * 00041 * Revision 1.18 2007/10/04 20:29:08 olereinhardt 00042 * Support for SAM7S256 added 00043 * 00044 * Revision 1.17 2007/05/02 11:32:07 haraldkipp 00045 * Mapping of Harvard specific stdio functions moved to stdio.h and io.h. 00046 * 00047 * Revision 1.16 2006/08/31 19:04:08 haraldkipp 00048 * Added support for the AT91SAM9260 and Atmel's AT91SAM9260 Evaluation Kit. 00049 * 00050 * Revision 1.15 2006/08/05 11:58:22 haraldkipp 00051 * Missing brackets may result in unexpected expansion of the _BV() macro. 00052 * 00053 * Revision 1.14 2006/08/01 07:35:59 haraldkipp 00054 * Exclude function prototypes when included by assembler. 00055 * 00056 * Revision 1.13 2006/07/21 09:08:58 haraldkipp 00057 * Map puts_P to puts and _write_P to _write for non-Harvard architectures. 00058 * 00059 * Revision 1.12 2006/07/10 14:27:03 haraldkipp 00060 * C++ will use main instead of NutAppMain. Contributed by Matthias Wilde. 00061 * 00062 * Revision 1.11 2006/07/05 07:45:25 haraldkipp 00063 * Split on-chip interface definitions. 00064 * 00065 * Revision 1.10 2006/06/28 17:22:34 haraldkipp 00066 * Make it compile for AT91SAM7X256. 00067 * 00068 * Revision 1.9 2006/05/25 09:35:27 haraldkipp 00069 * Dummy macros added to support the avr-libc special function register 00070 * definitions. 00071 * 00072 * Revision 1.8 2006/03/16 15:25:26 haraldkipp 00073 * Changed human readable strings from u_char to char to stop GCC 4 from 00074 * nagging about signedness. 00075 * 00076 * Revision 1.7 2006/03/02 20:02:05 haraldkipp 00077 * Added a few macros to allow compilation with ICCARM. 00078 * 00079 * Revision 1.6 2006/02/23 15:34:00 haraldkipp 00080 * Support for Philips LPC2xxx Family and LPC-E2294 Board from Olimex added. 00081 * Many thanks to Michael Fischer for this port. 00082 * 00083 * Revision 1.5 2005/11/20 14:45:15 haraldkipp 00084 * Define printf_P for non Harvard architectures. 00085 * 00086 * Revision 1.4 2005/10/24 18:03:02 haraldkipp 00087 * GameBoy header file added. 00088 * 00089 * Revision 1.3 2005/10/24 10:35:05 haraldkipp 00090 * Port I/O macros added. 00091 * 00092 * Revision 1.2 2004/09/08 10:24:26 haraldkipp 00093 * RAMSTART is too platform dependant 00094 * 00095 * Revision 1.1 2004/03/16 16:48:28 haraldkipp 00096 * Added Jan Dubiec's H8/300 port. 00097 * 00098 * Revision 1.1 2004/02/01 18:49:47 haraldkipp 00099 * Added CPU family support 00100 * 00101 */ 00102 00103 #include <cfg/arch.h> 00104 #if defined (MCU_AT91R40008) || defined (MCU_AT91SAM7X256) || defined (MCU_AT91SAM9260) || defined (MCU_AT91SAM7S256) || defined(MCU_AT91SAM7SE512) 00105 #include <arch/arm/at91.h> 00106 #elif defined (MCU_GBA) 00107 #include <arch/arm/gba.h> 00108 #elif defined (MCU_LPC2XXX) 00109 #include <arch/arm/lpc2xxx.h> 00110 #endif 00111 00112 #ifndef __ASSEMBLER__ 00113 #include <dev/mweeprom.h> 00114 #endif 00115 00116 #define ARM_MODE_USER 0x10 00117 #define ARM_MODE_FIQ 0x11 00118 #define ARM_MODE_IRQ 0x12 00119 #define ARM_MODE_SVC 0x13 00120 #define ARM_MODE_ABORT 0x17 00121 #define ARM_MODE_UNDEF 0x1B 00122 #define ARM_MODE_SYS 0x1F 00123 #define ARM_MODE_MASK 0x1F 00124 00125 #define I_BIT 0x80 00126 #define F_BIT 0x40 00127 #define T_BIT 0x20 00128 00129 #ifdef __GNUC__ 00130 #define CONST const 00131 #define INLINE inline 00132 #else 00133 #ifndef CONST 00134 #define CONST const 00135 #endif 00136 #ifndef INLINE 00137 #define INLINE 00138 #endif 00139 #endif 00140 00141 #define PSTR(p) (p) 00142 #define PRG_RDB(p) (*((const char *)(p))) 00143 00144 #define prog_char const char 00145 #define PGM_P prog_char * 00146 00147 #define SIGNAL(x) __attribute__((interrupt_handler)) void x(void) 00148 #define RAMFUNC __attribute__ ((long_call, section (".ramfunc"))) 00149 00150 #if !defined(__arm__) && !defined(__cplusplus) 00151 #define main NutAppMain 00152 #endif 00153 00154 #define strlen_P(x) strlen((char *)(x)) 00155 #define strcpy_P(x,y) strcpy(x,(char *)(y)) 00156 00157 #define strcmp_P(x, y) strcmp((char *)(x), (char *)(y)) 00158 #define memcpy_P(x, y, z) memcpy(x, y, z) 00159 00160 #ifndef __ASSEMBLER__ 00161 00164 extern void *__bss_end; 00165 00169 extern void *__stack; 00170 #endif 00171 00172 #ifndef _NOP 00173 #ifdef __GNUC__ 00174 #define _NOP() __asm__ __volatile__ ("mov r0, r0") 00175 #else 00176 #define _NOP() asm("mov r0, r0") 00177 #endif 00178 #endif 00179 00180 #define outb(_reg, _val) (*((volatile unsigned char *)(_reg)) = (_val)) 00181 #define outw(_reg, _val) (*((volatile unsigned short *)(_reg)) = (_val)) 00182 #define outr(_reg, _val) (*((volatile unsigned int *)(_reg)) = (_val)) 00183 00184 #define inb(_reg) (*((volatile unsigned char *)(_reg))) 00185 #define inw(_reg) (*((volatile unsigned short *)(_reg))) 00186 #define inr(_reg) (*((volatile unsigned int *)(_reg))) 00187 00188 #define _BV(bit) (1 << (bit)) 00189 00190 #ifdef __IMAGECRAFT__ 00191 #define __attribute__(x) 00192 #endif 00193 00194 #define _SFR_MEM8(addr) (addr) 00195 #define _SFR_MEM16(addr) (addr) 00196 00197 #endif