diff options
Diffstat (limited to 'nandwrite/nandwrite.c')
| -rw-r--r-- | nandwrite/nandwrite.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/nandwrite/nandwrite.c b/nandwrite/nandwrite.c deleted file mode 100644 index c715095..0000000 --- a/nandwrite/nandwrite.c +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <boot/boot.h> -#include <boot/board.h> -#include <boot/flash.h> - -#define FLASH_PAGE_SIZE 2048 -#define FLASH_PAGE_BITS 11 - -int startswith(const char *str, const char *prefix) -{ - while(*prefix){ - if(*prefix++ != *str++) return 0; - } - return 1; -} - -void verify_flash(ptentry *p, void *addr, unsigned len, int extra) -{ - int offset = 0; - void *buf = alloc(FLASH_PAGE_SIZE + extra); - int verify_extra = extra; - if(verify_extra > 4) - verify_extra = 16; - while(len > 0) { - flash_read_ext(p, extra, offset, buf, FLASH_PAGE_SIZE); - if(memcmp(addr, buf, FLASH_PAGE_SIZE + verify_extra)) { - dprintf("verify failed at %x\n", offset); - jtag_fail("verify failed"); - return; - } - offset += FLASH_PAGE_SIZE; - addr += FLASH_PAGE_SIZE; - len -= FLASH_PAGE_SIZE; - if(extra) { - addr += extra; - len -= extra; - } - } - dprintf("verify done %d extra bytes\n", verify_extra); - jtag_okay("verify done"); -} - -void handle_flash(const char *name, unsigned addr, unsigned len) -{ - int r; - ptentry *p; - - dprintf("image @ %x (%d bytes)\n", addr, len); - dprintf("write to '%s' partition\n", name); - - p = flash_find_ptn(name); - - if(p == 0) { - jtag_fail("partition not found"); - return; - } else { - if(flash_init()) { - jtag_fail("flash_init() failed"); - return; - } - - dprintf("erasing flash @ %d (len=%d)\n", p->start, p->length); - flash_erase(p); - - if(len) { - dprintf("writing flash at @ %d\n", p->start); - - if(!strcmp(name, "system") || !strcmp(name, "userdata")) { - r = flash_write(p, 64, (void*) addr, len); - } else { - len = (len + FLASH_PAGE_SIZE - 1) & (~(FLASH_PAGE_SIZE-1)); - r = flash_write(p, 0, (void*) addr, len); - } - //verify_flash(p, addr, len, (!strcmp(name, "system") || !strcmp(name, "userdata")) ? 64 : 0); - if(r) { - jtag_fail("partition write failed"); - } else { - jtag_okay("partition written"); - } - return; - } else { - jtag_okay("partition erased"); - return; - } - } -} - -void hexdump(void *ptr, unsigned len) -{ - unsigned char *b = ptr; - int count = 0; - - dprintf("%x: ", (unsigned) b); - while(len-- > 0) { - dprintf("%b ", *b++); - if(++count == 16) { - dprintf("\n%x: ", (unsigned) b); - count = 0; - } - } - if(count != 0) dprintf("\n"); -} - -static unsigned char *tmpbuf = 0; - -void handle_dump(const char *name, unsigned offset) -{ - ptentry *p; - - if(tmpbuf == 0) { - tmpbuf = alloc(4096); - } - - dprintf("dump '%s' partition\n", name); - p = flash_find_ptn(name); - - if(p == 0) { - jtag_fail("partition not found"); - return; - } - - if(flash_init()) { - jtag_fail("flash_init() failed"); - return; - } - -#if 0 - /* XXX reimpl */ - if(flash_read_page(p->start * 64, tmpbuf, tmpbuf + 2048)){ - jtag_fail("flash_read() failed"); - return; - } -#endif - - dprintf("page %d data:\n", p->start * 64); - hexdump(tmpbuf, 256); - dprintf("page %d extra:\n", p->start * 64); - hexdump(tmpbuf, 16); - jtag_okay("done"); -} - -void handle_command(const char *cmd, unsigned a0, unsigned a1, unsigned a2) -{ - if(startswith(cmd,"flash:")){ - handle_flash(cmd + 6, a0, a1); - return; - } - - if(startswith(cmd,"dump:")){ - handle_dump(cmd + 5, a0); - return; - } - - jtag_fail("unknown command"); -} - -int _main(void) -{ - arm11_clock_init(); - - dprintf_set_putc(jtag_dputc); - - board_init(); - - jtag_cmd_loop(handle_command); - - return 0; -} |