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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [h8300/] [arch/] [current/] [src/] [redboot_linux_exec.c] - Rev 838
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//========================================================================== // // redboot_linux_exec.c // // RedBoot exec command for Linux booting // //========================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc. // // 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 Street, 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 v2. // // 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#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): yoshinori sato // Contributors: yoshinori sato // Date: 2002-05-28 // Purpose: RedBoot exec command for uClinux booting // //####DESCRIPTIONEND#### // //=========================================================================== #include <redboot.h> #include <cyg/infra/cyg_type.h> #include <cyg/hal/hal_intr.h> #include <cyg/hal/hal_cache.h> #define xstr(s) str(s) #define str(s...) #s #if defined(CYGDAT_REDBOOT_H8300_LINUX_COMMAND_START) static void do_exec(int argc, char *argv[]) { cyg_uint32 entry = CYGDAT_REDBOOT_H8300_LINUX_BOOT_ENTRY; cyg_uint32 command_addr = CYGDAT_REDBOOT_H8300_LINUX_COMMAND_START; char *cmd_line = xstr( CYGDAT_REDBOOT_H8300_LINUX_BOOT_COMMAND_LINE ); bool command_addr_set,command_line_set; struct option_info opts[2]; char *pcmd; int oldints; init_opts(&opts[0], 'b', true, OPTION_ARG_TYPE_NUM, &command_addr, &command_addr_set, "command line address"); init_opts(&opts[1], 'c', true, OPTION_ARG_TYPE_STR, &cmd_line, &command_line_set, "kernel command line"); if (!scan_opts(argc, argv, 1, opts, 2, (void *)&entry, OPTION_ARG_TYPE_NUM, "entry address")) return ; if (entry == (unsigned long)NO_MEMORY) { diag_printf("Can't execute Linux - invalid entry address\n"); return; } diag_printf("Now booting linux kernel:\n"); diag_printf(" Entry Address 0x%08x\n", entry); diag_printf(" Cmdline : %s\n", cmd_line); HAL_DISABLE_INTERRUPTS(oldints); HAL_DCACHE_SYNC(); HAL_ICACHE_DISABLE(); HAL_DCACHE_DISABLE(); HAL_DCACHE_SYNC(); HAL_ICACHE_INVALIDATE_ALL(); HAL_DCACHE_INVALIDATE_ALL(); pcmd = (char *)command_addr; while ((*pcmd++ = *cmd_line++)); asm ("jmp @%0" : : "r" (entry)); } RedBoot_cmd("exec", "Execute an image", "[-b <command line addr>] [-c \"kernel command line\"]\n" " [<entry point>]", do_exec ); #endif static void do_set_mem(int argc, char *argv[]) { struct option_info opts[5]; unsigned long base, data; bool base_set, data_set,len_set = 0; static char _size = 1; bool set_32bit, set_16bit, set_8bit; init_opts(&opts[0], 'b', true, OPTION_ARG_TYPE_NUM, &base, (bool *)&base_set, "base address"); init_opts(&opts[1], 'd', true, OPTION_ARG_TYPE_NUM, &data, (bool *)&data_set, "write_data"); init_opts(&opts[2], '4', false, OPTION_ARG_TYPE_FLG, &set_32bit, (bool *)0, "dump 32 bit units"); init_opts(&opts[3], '2', false, OPTION_ARG_TYPE_FLG, &set_16bit, (bool *)0, "dump 16 bit units"); init_opts(&opts[4], '1', false, OPTION_ARG_TYPE_FLG, &set_8bit, (bool *)0, "dump 8 bit units"); if (!scan_opts(argc, argv, 1, opts, 5, 0, 0, "")) { return; } if (!base_set) { diag_printf("illigal base\n"); return ; } if (!data_set) { diag_printf("illigal data\n"); return ; } if (set_32bit) { _size = 4; } else if (set_16bit) { _size = 2; } else if (set_8bit) { _size = 1; } if (!len_set) { _size = 4; } diag_printf("%d %x = %x\n",_size,base,data); switch( _size ) { case 1: *(unsigned char *)base=data; break; case 2: *(unsigned short *)base=data; break; case 4: *(unsigned long *)base=data; break; } } RedBoot_cmd("set", "Set Memory", "-b address -[1|2|4] -d data", do_set_mem );
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