| /* |
| * (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> |
| 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 KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB", |
| * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string |
| * (like "\n") |
| */ |
| void print_size(unsigned long long size, const char *s) |
| { |
| unsigned long m = 0, n; |
| unsigned long long f; |
| static const char names[] = {'E', 'P', 'T', 'G', 'M', 'K'}; |
| unsigned long d = 10 * ARRAY_SIZE(names); |
| char c = 0; |
| unsigned int i; |
| |
| for (i = 0; i < ARRAY_SIZE(names); i++, d -= 10) { |
| if (size >> d) { |
| c = names[i]; |
| break; |
| } |
| } |
| |
| if (!c) { |
| printf("%llu Bytes%s", size, s); |
| return; |
| } |
| |
| n = size >> d; |
| f = size & ((1ULL << d) - 1); |
| |
| /* If there's a remainder, deal with it */ |
| if (f) { |
| m = (10ULL * f + (1ULL << (d - 1))) >> d; |
| |
| if (m >= 10) { |
| m -= 10; |
| n += 1; |
| } |
| } |
| |
| printf ("%lu", n); |
| if (m) { |
| printf (".%ld", m); |
| } |
| printf (" %ciB%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) |
| { |
| /* linebuf as a union causes proper alignment */ |
| union linebuf { |
| uint32_t ui[MAX_LINE_LENGTH_BYTES/sizeof(uint32_t) + 1]; |
| uint16_t us[MAX_LINE_LENGTH_BYTES/sizeof(uint16_t) + 1]; |
| uint8_t uc[MAX_LINE_LENGTH_BYTES/sizeof(uint8_t) + 1]; |
| } lb; |
| 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++) { |
| uint32_t x; |
| if (width == 4) |
| x = lb.ui[i] = *(volatile uint32_t *)data; |
| else if (width == 2) |
| x = lb.us[i] = *(volatile uint16_t *)data; |
| else |
| x = lb.uc[i] = *(volatile uint8_t *)data; |
| printf(" %0*x", width * 2, x); |
| data += width; |
| } |
| |
| /* Print data in ASCII characters */ |
| for (i = 0; i < linelen * width; i++) { |
| if (!isprint(lb.uc[i]) || lb.uc[i] >= 0x80) |
| lb.uc[i] = '.'; |
| } |
| lb.uc[i] = '\0'; |
| printf(" %s\n", lb.uc); |
| |
| /* update references */ |
| addr += linelen * width; |
| count -= linelen; |
| } |
| |
| return 0; |
| } |