mirror of
https://github.com/markqvist/OpenModem.git
synced 2025-08-07 06:02:44 -04:00
Working
This commit is contained in:
Mark Qvist
commit
c898b090dd
1049 changed files with 288572 additions and 0 deletions
303
bertos/cpu/attr.h
Normal file
303
bertos/cpu/attr.h
Normal file
|
|
@ -0,0 +1,303 @@
|
|||
/**
|
||||
* \file
|
||||
* <!--
|
||||
* This file is part of BeRTOS.
|
||||
*
|
||||
* Bertos is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* As a special exception, you may use this file as part of a free software
|
||||
* library without restriction. Specifically, if other files instantiate
|
||||
* templates or use macros or inline functions from this file, or you compile
|
||||
* this file and link it with other files to produce an executable, this
|
||||
* file does not by itself cause the resulting executable to be covered by
|
||||
* the GNU General Public License. This exception does not however
|
||||
* invalidate any other reasons why the executable file might be covered by
|
||||
* the GNU General Public License.
|
||||
*
|
||||
* Copyright 2004, 2005, 2006, 2007, 2008 Develer S.r.l. (http://www.develer.com/)
|
||||
* Copyright 2004 Giovanni Bajo
|
||||
* -->
|
||||
*
|
||||
* \brief CPU-specific attributes.
|
||||
*
|
||||
* \author Giovanni Bajo <rasky@develer.com>
|
||||
* \author Bernie Innocenti <bernie@codewiz.org>
|
||||
* \author Stefano Fedrigo <aleph@develer.com>
|
||||
* \author Francesco Sacchi <batt@develer.com>
|
||||
*/
|
||||
#ifndef CPU_ATTR_H
|
||||
#define CPU_ATTR_H
|
||||
|
||||
#include "detect.h"
|
||||
|
||||
#include "cfg/cfg_proc.h" /* CONFIG_KERN_PREEMPT */
|
||||
#include "cfg/cfg_attr.h" /* CONFIG_FAST_MEM */
|
||||
|
||||
|
||||
/**
|
||||
* \name Macros for determining CPU endianness.
|
||||
* \{
|
||||
*/
|
||||
#define CPU_BIG_ENDIAN 0x1234
|
||||
#define CPU_LITTLE_ENDIAN 0x3412 /* Look twice, pal. This is not a bug. */
|
||||
/*\}*/
|
||||
|
||||
/** Macro to include cpu-specific versions of the headers. */
|
||||
#define CPU_HEADER(module) PP_STRINGIZE(drv/PP_CAT3(module, _, CPU_ID).h)
|
||||
|
||||
/** Macro to include cpu-specific versions of implementation files. */
|
||||
#define CPU_CSOURCE(module) PP_STRINGIZE(drv/PP_CAT3(module, _, CPU_ID).c)
|
||||
|
||||
|
||||
#if CPU_I196
|
||||
|
||||
#define NOP nop_instruction()
|
||||
|
||||
#define CPU_REG_BITS 16
|
||||
#define CPU_REGS_CNT 16
|
||||
#define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
|
||||
#define CPU_HARVARD 0
|
||||
|
||||
/// Valid pointers should be >= than this value (used for debug)
|
||||
#define CPU_RAM_START 0x100
|
||||
|
||||
#elif CPU_X86
|
||||
|
||||
#define CPU_REGS_CNT 7
|
||||
#define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
|
||||
#define CPU_HARVARD 0
|
||||
|
||||
#if CPU_X86_64
|
||||
#define CPU_REG_BITS 64
|
||||
|
||||
#ifdef __WIN64__
|
||||
/* WIN64 is an IL32-P64 weirdo. */
|
||||
#define SIZEOF_LONG 4
|
||||
#endif
|
||||
#else
|
||||
#define CPU_REG_BITS 32
|
||||
#endif
|
||||
|
||||
/// Valid pointers should be >= than this value (used for debug)
|
||||
#define CPU_RAM_START 0x1000
|
||||
|
||||
#ifdef __GNUC__
|
||||
#define NOP asm volatile ("nop")
|
||||
/* This is a good thing to insert into busy-wait loops. */
|
||||
#define PAUSE asm volatile ("rep; nop" ::: "memory")
|
||||
#define BREAKPOINT asm volatile ("int3" ::)
|
||||
#endif
|
||||
|
||||
#elif CPU_ARM
|
||||
|
||||
#define CPU_REG_BITS 32
|
||||
#define CPU_REGS_CNT 16
|
||||
#define CPU_HARVARD 0
|
||||
|
||||
/// Valid pointers should be >= than this value (used for debug)
|
||||
#if CPU_ARM_AT91
|
||||
#define CPU_RAM_START 0x00200000
|
||||
#elif CPU_ARM_LPC2
|
||||
#define CPU_RAM_START 0x40000000
|
||||
#else
|
||||
#warning Fix CPU_RAM_START address for your ARM, default value set to 0x200
|
||||
#define CPU_RAM_START 0x200
|
||||
#endif
|
||||
|
||||
#ifdef __IAR_SYSTEMS_ICC__
|
||||
#warning Check CPU_BYTE_ORDER
|
||||
#define CPU_BYTE_ORDER (__BIG_ENDIAN__ ? CPU_BIG_ENDIAN : CPU_LITTLE_ENDIAN)
|
||||
|
||||
#define NOP __no_operation()
|
||||
|
||||
#else /* GCC and compatibles */
|
||||
|
||||
#if defined(__ARMEB__)
|
||||
#define CPU_BYTE_ORDER CPU_BIG_ENDIAN
|
||||
#elif defined(__ARMEL__)
|
||||
#define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
|
||||
#else
|
||||
#error Unable to detect ARM endianness!
|
||||
#endif
|
||||
|
||||
#define NOP asm volatile ("mov r0,r0" ::)
|
||||
#define BREAKPOINT /* asm("bkpt 0") DOES NOT WORK */
|
||||
|
||||
#if CONFIG_FAST_MEM
|
||||
/**
|
||||
* Function attribute for use with performance critical code.
|
||||
*
|
||||
* On the AT91 family, code residing in flash has wait states.
|
||||
* Moving functions to the data section is a quick & dirty way
|
||||
* to get them transparently copied to SRAM for zero-wait-state
|
||||
* operation.
|
||||
*/
|
||||
#define FAST_FUNC __attribute__((section(".ramfunc")))
|
||||
|
||||
/**
|
||||
* Data attribute to move constant data to fast memory storage.
|
||||
*
|
||||
* \see FAST_FUNC
|
||||
*/
|
||||
#define FAST_RODATA __attribute__((section(".data")))
|
||||
|
||||
#else // !CONFIG_FAST_MEM
|
||||
#define FAST_RODATA /**/
|
||||
#define FAST_FUNC /**/
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Function attribute to move it into ram memory.
|
||||
*/
|
||||
#define RAM_FUNC __attribute__((section(".ramfunc")))
|
||||
|
||||
#endif /* !__IAR_SYSTEMS_ICC_ */
|
||||
#elif CPU_CM3
|
||||
|
||||
#define CPU_REG_BITS 32
|
||||
#define CPU_REGS_CNT 16
|
||||
#define CPU_HARVARD 0
|
||||
|
||||
/// Valid pointers should be >= than this value (used for debug)
|
||||
#if (CPU_CM3_LM3S1968 || CPU_CM3_LM3S8962 || CPU_CM3_STM32 || CPU_CM3_SAM3)
|
||||
#define CPU_RAM_START 0x20000000
|
||||
#else
|
||||
#warning Fix CPU_RAM_START address for your Cortex-M3, default value set to 0x20000000
|
||||
#define CPU_RAM_START 0x20000000
|
||||
#endif
|
||||
|
||||
#if defined( __ICCARM__)
|
||||
#if ((defined __LITTLE_ENDIAN__) && (__LITTLE_ENDIAN__ == 0))
|
||||
#define CPU_BYTE_ORDER CPU_BIG_ENDIAN
|
||||
#elif ((defined __LITTLE_ENDIAN__) && (__LITTLE_ENDIAN__ == 1))
|
||||
#define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
|
||||
#else
|
||||
#error Unable to detect Cortex-M3 endianess!
|
||||
#endif
|
||||
|
||||
#define NOP __no_operation()
|
||||
#else
|
||||
#if defined(__ARMEB__) // GCC
|
||||
#define CPU_BYTE_ORDER CPU_BIG_ENDIAN
|
||||
#elif defined(__ARMEL__) // GCC
|
||||
#define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
|
||||
#else
|
||||
#error Unable to detect Cortex-M3 endianess!
|
||||
#endif
|
||||
|
||||
#define NOP asm volatile ("nop")
|
||||
#define PAUSE asm volatile ("wfi" ::: "memory")
|
||||
#define BREAKPOINT /* asm("bkpt 0") DOES NOT WORK */
|
||||
|
||||
/*
|
||||
* Function attribute to move it into ram memory.
|
||||
*/
|
||||
#define RAM_FUNC __attribute__((section(".ramfunc")))
|
||||
#endif
|
||||
|
||||
#elif CPU_PPC
|
||||
|
||||
#define CPU_REG_BITS (CPU_PPC32 ? 32 : 64)
|
||||
#define CPU_REGS_CNT FIXME
|
||||
#define CPU_BYTE_ORDER (__BIG_ENDIAN__ ? CPU_BIG_ENDIAN : CPU_LITTLE_ENDIAN)
|
||||
#define CPU_HARVARD 0
|
||||
|
||||
/// Valid pointers should be >= than this value (used for debug)
|
||||
#define CPU_RAM_START 0x1000
|
||||
|
||||
#ifdef __GNUC__
|
||||
#define NOP asm volatile ("nop" ::)
|
||||
#define BREAKPOINT asm volatile ("twge 2,2" ::)
|
||||
#endif
|
||||
|
||||
#elif CPU_DSP56K
|
||||
|
||||
#define CPU_REG_BITS 16
|
||||
#define CPU_REGS_CNT FIXME
|
||||
#define CPU_BYTE_ORDER CPU_BIG_ENDIAN
|
||||
#define CPU_HARVARD 1
|
||||
|
||||
/* Memory is word-addessed in the DSP56K */
|
||||
#define CPU_BITS_PER_CHAR 16
|
||||
#define SIZEOF_SHORT 1
|
||||
#define SIZEOF_INT 1
|
||||
#define SIZEOF_LONG 2
|
||||
#define SIZEOF_PTR 1
|
||||
|
||||
/// Valid pointers should be >= than this value (used for debug)
|
||||
#define CPU_RAM_START 0x200
|
||||
|
||||
#define NOP asm(nop)
|
||||
#define BREAKPOINT asm(debug)
|
||||
|
||||
#elif CPU_AVR
|
||||
|
||||
#define NOP asm volatile ("nop" ::)
|
||||
|
||||
#define CPU_REG_BITS 8
|
||||
#define CPU_REGS_CNT 33 /* Includes SREG */
|
||||
#define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
|
||||
#define CPU_HARVARD 1
|
||||
|
||||
/// Valid pointers should be >= than this value (used for debug)
|
||||
#if CPU_AVR_ATMEGA8 || CPU_AVR_ATMEGA32 || CPU_AVR_ATMEGA103
|
||||
#define CPU_RAM_START 0x60
|
||||
#elif CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128 || CPU_AVR_ATMEGA168 || CPU_AVR_ATMEGA328P
|
||||
#define CPU_RAM_START 0x100
|
||||
#elif CPU_AVR_ATMEGA1281 || CPU_AVR_ATMEGA1280 || CPU_AVR_ATMEGA2560
|
||||
#define CPU_RAM_START 0x200
|
||||
#elif CPU_AVR_XMEGA_D
|
||||
#define CPU_RAM_START 0x2000
|
||||
#else
|
||||
#warning Fix CPU_RAM_START address for your AVR, default value set to 0x100
|
||||
#define CPU_RAM_START 0x100
|
||||
#endif
|
||||
|
||||
#elif CPU_MSP430
|
||||
|
||||
#define CPU_REG_BITS 16
|
||||
#define CPU_REGS_CNT 12
|
||||
#define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
|
||||
#define CPU_HARVARD 0
|
||||
|
||||
/// Valid pointers should be >= than this value (used for debug)
|
||||
#define CPU_RAM_START 0x200
|
||||
|
||||
#define NOP __asm__ __volatile__ ("nop")
|
||||
|
||||
#else
|
||||
#error No CPU_... defined.
|
||||
#endif
|
||||
|
||||
#ifndef BREAKPOINT
|
||||
#define BREAKPOINT /* nop */
|
||||
#endif
|
||||
|
||||
#ifndef FAST_FUNC
|
||||
/// Function attribute for use with performance critical code.
|
||||
#define FAST_FUNC /* */
|
||||
#endif
|
||||
|
||||
#ifndef FAST_RODATA
|
||||
/// Data attribute to move constant data to fast memory storage.
|
||||
#define FAST_RODATA /* */
|
||||
#endif
|
||||
|
||||
#ifndef PAUSE
|
||||
/// Generic PAUSE implementation.
|
||||
#define PAUSE do {NOP; MEMORY_BARRIER;} while (0)
|
||||
#endif
|
||||
|
||||
#endif /* CPU_ATTR_H */
|
||||
Loading…
Add table
Add a link
Reference in a new issue