/* * (C) Copyright 2000-2002 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program 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., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <config.h> #include <common.h> #include <linux/ctype.h> #include <asm/io.h> int display_options (void) { extern char version_string[]; #if defined(BUILD_TAG) printf ("\n\n%s, Build: %s\n\n", version_string, BUILD_TAG); #else printf ("\n\n%s\n\n", version_string); #endif return 0; } /* * print sizes as "xxx kB", "xxx.y kB", "xxx MB" or "xxx.y MB" as needed; * allow for optional trailing string (like "\n") */ void print_size (ulong size, const char *s) { ulong m, n; ulong d = 1 << 20; /* 1 MB */ char c = 'M'; if (size < d) { /* print in kB */ c = 'k'; d = 1 << 10; } n = size / d; m = (10 * (size - (n * d)) + (d / 2) ) / d; if (m >= 10) { m -= 10; n += 1; } printf ("%2ld", n); if (m) { printf (".%ld", m); } printf (" %cB%s", c, s); } /* * Print data buffer in hex and ascii form to the terminal. * * data reads are buffered so that each memory address is only read once. * Useful when displaying the contents of volatile registers. * * parameters: * addr: Starting address to display at start of line * data: pointer to data buffer * width: data value width. May be 1, 2, or 4. * count: number of values to display * linelen: Number of values to print per line; specify 0 for default length */ #define MAX_LINE_LENGTH_BYTES (64) #define DEFAULT_LINE_LENGTH_BYTES (16) int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen) { uint8_t linebuf[MAX_LINE_LENGTH_BYTES]; uint32_t *uip = (void*)linebuf; uint16_t *usp = (void*)linebuf; uint8_t *ucp = (void*)linebuf; int i; if (linelen*width > MAX_LINE_LENGTH_BYTES) linelen = MAX_LINE_LENGTH_BYTES / width; if (linelen < 1) linelen = DEFAULT_LINE_LENGTH_BYTES / width; while (count) { printf("%08lx:", addr); /* check for overflow condition */ if (count < linelen) linelen = count; /* Copy from memory into linebuf and print hex values */ for (i = 0; i < linelen; i++) { if (width == 4) { uip[i] = *(volatile uint32_t *)data; printf(" %08x", uip[i]); } else if (width == 2) { usp[i] = *(volatile uint16_t *)data; printf(" %04x", usp[i]); } else { ucp[i] = *(volatile uint8_t *)data; printf(" %02x", ucp[i]); } data += width; } /* Print data in ASCII characters */ puts(" "); for (i = 0; i < linelen * width; i++) putc(isprint(ucp[i]) && (ucp[i] < 0x80) ? ucp[i] : '.'); putc ('\n'); /* update references */ addr += linelen * width; count -= linelen; if (ctrlc()) return -1; } return 0; }