]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - lib/display_options.c
buildman: Permit branch names with an embedded '/'
[karo-tx-uboot.git] / lib / display_options.c
index 20319e64bd1501ca440b5cd4e4bdf1a24fd9599e..4c0c886d61567ce10cdb6066d09d396feec500ee 100644 (file)
@@ -2,34 +2,17 @@
  * (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
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <config.h>
 #include <common.h>
+#include <version.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
@@ -99,13 +82,24 @@ void print_size(unsigned long long size, const char *s)
  */
 #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)
+int print_buffer(ulong addr, const void *data, uint width, uint count,
+                uint linelen)
 {
-       uint8_t linebuf[MAX_LINE_LENGTH_BYTES + 1];
-       uint32_t *uip = (void*)linebuf;
-       uint16_t *usp = (void*)linebuf;
-       uint8_t *ucp = (void*)linebuf;
+       /* linebuf as a union causes proper alignment */
+       union linebuf {
+#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
+               uint64_t uq[MAX_LINE_LENGTH_BYTES/sizeof(uint64_t) + 1];
+#endif
+               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;
+#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
+       uint64_t x;
+#else
+       uint32_t x;
+#endif
 
        if (linelen*width > MAX_LINE_LENGTH_BYTES)
                linelen = MAX_LINE_LENGTH_BYTES / width;
@@ -113,35 +107,51 @@ int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen)
                linelen = DEFAULT_LINE_LENGTH_BYTES / width;
 
        while (count) {
+               uint thislinelen = linelen;
                printf("%08lx:", addr);
 
                /* check for overflow condition */
-               if (count < linelen)
-                       linelen = count;
+               if (count < thislinelen)
+                       thislinelen = count;
 
                /* Copy from memory into linebuf and print hex values */
-               for (i = 0; i < linelen; i++) {
-                       uint32_t x;
+               for (i = 0; i < thislinelen; i++) {
                        if (width == 4)
-                               x = uip[i] = *(volatile uint32_t *)data;
+                               x = lb.ui[i] = *(volatile uint32_t *)data;
+#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
+                       else if (width == 8)
+                               x = lb.uq[i] = *(volatile uint64_t *)data;
+#endif
                        else if (width == 2)
-                               x = usp[i] = *(volatile uint16_t *)data;
+                               x = lb.us[i] = *(volatile uint16_t *)data;
                        else
-                               x = ucp[i] = *(volatile uint8_t *)data;
+                               x = lb.uc[i] = *(volatile uint8_t *)data;
+#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
+                       printf(" %0*llx", width * 2, x);
+#else
                        printf(" %0*x", width * 2, x);
+#endif
                        data += width;
                }
 
+               while (thislinelen < linelen) {
+                       /* fill line with whitespace for nice ASCII print */
+                       for (i=0; i<width*2+1; i++)
+                               puts(" ");
+                       linelen--;
+               }
+
                /* Print data in ASCII characters */
-               for (i = 0; i < linelen * width; i++)
-                       if (!isprint(ucp[i]) || ucp[i] >= 0x80)
-                               ucp[i] = '.';
-               ucp[i] = '\0';
-               printf("    %s\n", ucp);
+               for (i = 0; i < thislinelen * 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;
+               addr += thislinelen * width;
+               count -= thislinelen;
 
                if (ctrlc())
                        return -1;