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- /*
- #####ECOSGPLCOPYRIGHTBEGIN####
- ## -------------------------------------------
- ## This file is part of eCos, the Embedded Configurable Operating System.
- ## Copyright (C) 2008 Øyvind Harboe
- ##
- ## 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.,
- ## 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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.
- ## -------------------------------------------
- #####ECOSGPLCOPYRIGHTEND####
- */
-
- #include <string.h>
- #define _FLASH_PRIVATE_
- #include <cyg/io/flash.h>
-
-
-
- int myprintf(char *format, ...)
- {
- return 0;
- }
-
- extern char _start_bss_clear;
- extern char __bss_end__;
-
- int init()
- {
- // set up runtime environment
- char *t;
- for (t=&_start_bss_clear; t<&__bss_end__; t++)
- {
- *t=0;
- }
- return flash_init((_printf *)&myprintf);
-
- }
-
-
- int checkFlash(void *addr, int len)
- {
- // Return error for illegal addresses
- if ((addr<flash_info.start)||(addr>flash_info.end))
- return FLASH_ERR_INVALID;
- if ((((cyg_uint8 *)addr)+len)>(cyg_uint8 *)flash_info.end)
- return FLASH_ERR_INVALID;
- return FLASH_ERR_OK;
- }
-
-
- int erase(void *address, int len)
- {
- int retval;
- void *failAddress;
-
- retval=checkFlash(address, len);
- if (retval!=0)
- return retval;
-
- retval=init();
- if (retval!=0)
- return retval;
- return flash_erase(address, len, &failAddress);
- }
-
-
-
- extern char _end;
-
- // Data follows immediately after program, long word aligned.
- int program(void *buffer, void *address, int len)
- {
- int retval;
- void *failAddress;
- retval=checkFlash(address, len);
- if (retval!=0)
- return retval;
-
- retval=init();
- if (retval!=0)
- return retval;
- //int flash_program(void *_addr, void *_data, int len, void **err_addr)
- return flash_program(address, buffer, len, &failAddress);
- }
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