📄 plf_io.h
字号:
#ifndef CYGONCE_HAL_PLF_IO_H#define CYGONCE_HAL_PLF_IO_H/*=============================================================================//// plf_io.h//// Platform specific support (register layout, etc)////=============================================================================//####ECOSGPLCOPYRIGHTBEGIN####// -------------------------------------------// This file is part of eCos, the Embedded Configurable Operating System.// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.// Copyright (C) 2003 Gary Thomas <gary@mind.be>//// eCos 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 or (at your option) any later version.//// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.//// As a special exception, if other files instantiate templates or use macros// or inline functions from this file, or you compile this file and link it// with other works to produce a work based on this file, this file does not// by itself cause the resulting work to be covered by the GNU General Public// License. However the source code for this file must still be made available// in accordance with section (3) of the GNU General Public License.//// This exception does not invalidate any other reasons why a work based on// this file might be covered by the GNU General Public License.//// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.// at http://sources.redhat.com/ecos/ecos-license/// -------------------------------------------//####ECOSGPLCOPYRIGHTEND####//=============================================================================//#####DESCRIPTIONBEGIN####//// Author(s): jskov// Contributors: jskov, gthomas// Date: 2002-01-28// Purpose: Platform specific support routines// Description: // Usage: #include <cyg/hal/hal_io.h>////####DESCRIPTIONEND####////===========================================================================*/#include <pkgconf/hal.h>#include <pkgconf/system.h>#include CYGBLD_HAL_PLATFORM_H#define CYGARC_PHYSICAL_ADDRESS(x) hal_virt_to_phys_address(x)#ifdef HAL_PLATFORM_EP9301//// TODO This is hackalicious get it out or do it better.//#define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_) \ CYG_MACRO_START \ /* Next ATAG_MEM. */ \ _p_->hdr.size = (sizeof(struct tag_mem32) + sizeof(struct tag_header))/sizeof(long); \ _p_->hdr.tag = ATAG_MEM; \ /* Round up so there's only one bit set in the memory size. \ * Don't double it if it's already a power of two, though. \ */ \ _p_->u.mem.size = (CYGMEM_REGION_ram_SIZE>>2); \ _p_->u.mem.start = 0; \ \ _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size); \ \ /* Next ATAG_MEM. */ \ _p_->hdr.size = (sizeof(struct tag_mem32) + sizeof(struct tag_header))/sizeof(long); \ _p_->hdr.tag = ATAG_MEM; \ /* Round up so there's only one bit set in the memory size. \ * Don't double it if it's already a power of two, though. \ */ \ _p_->u.mem.size = (CYGMEM_REGION_ram_SIZE>>2); \ _p_->u.mem.start = 0x01000000; \ \ _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size); \ \ /* Next ATAG_MEM. */ \ _p_->hdr.size = (sizeof(struct tag_mem32) + sizeof(struct tag_header))/sizeof(long); \ _p_->hdr.tag = ATAG_MEM; \ /* Round up so there's only one bit set in the memory size. \ * Don't double it if it's already a power of two, though. \ */ \ _p_->u.mem.size = (CYGMEM_REGION_ram_SIZE>>2); \ _p_->u.mem.start = CYGARC_PHYSICAL_ADDRESS(0x04000000); \ \ _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size); \ /* Next ATAG_MEM. */ \ _p_->hdr.size = (sizeof(struct tag_mem32) + sizeof(struct tag_header))/sizeof(long); \ _p_->hdr.tag = ATAG_MEM; \ /* Round up so there's only one bit set in the memory size. \ * Don't double it if it's already a power of two, though. \ */ \ _p_->u.mem.size = (CYGMEM_REGION_ram_SIZE>>2); \ _p_->u.mem.start = CYGARC_PHYSICAL_ADDRESS(0x05000000); \ CYG_MACRO_END#endif // HAL_PLATFORM_EP9301#ifdef HAL_PLATFORM_EP9312#define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_) \ CYG_MACRO_START \ /* Next ATAG_MEM. */ \ _p_->hdr.size = (sizeof(struct tag_mem32) + sizeof(struct tag_header))/sizeof(long); \ _p_->hdr.tag = ATAG_MEM; \ /* Round up so there's only one bit set in the memory size. \ * Don't double it if it's already a power of two, though. \ */ \ _p_->u.mem.size = (CYGMEM_REGION_ram_SIZE>>1); \ _p_->u.mem.start = 0; \ \ _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size); \ \ /* Next ATAG_MEM. */ \ _p_->hdr.size = (sizeof(struct tag_mem32) + sizeof(struct tag_header))/sizeof(long); \ _p_->hdr.tag = ATAG_MEM; \ /* Round up so there's only one bit set in the memory size. \ * Don't double it if it's already a power of two, though. \ */ \ _p_->u.mem.size = (CYGMEM_REGION_ram_SIZE>>1); \ _p_->u.mem.start = CYGARC_PHYSICAL_ADDRESS(0x04000000); \ \ CYG_MACRO_END#endif // HAL_PLATFORM_EP9312#endif // CYGONCE_HAL_PLF_IO_H// EOF plf_io.h⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -