aboutsummaryrefslogtreecommitdiff
path: root/lib/display_options.c
diff options
context:
space:
mode:
authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:05 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:04 +0200
commit78acc472d9719316f22e002a009a998d9ceec29d (patch)
treeaa99461b3d693cf3691869abea485091860a66d0 /lib/display_options.c
parentea0364f1bbfed1e3ea711147420875cf338fe77a (diff)
downloadu-boot-linaro-stable-78acc472d9719316f22e002a009a998d9ceec29d.tar.gz
Rename lib_generic/ to lib/
Now that the other architecture-specific lib directories have been moved out of the top-level directory there's not much reason to have the '_generic' suffix on the common lib directory. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib/display_options.c')
-rw-r--r--lib/display_options.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/lib/display_options.c b/lib/display_options.c
new file mode 100644
index 000000000..2dc256741
--- /dev/null
+++ b/lib/display_options.c
@@ -0,0 +1,145 @@
+/*
+ * (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", "xxx.y MB",
+ * xxx GB, or xxx.y GB as needed; allow for optional trailing string
+ * (like "\n")
+ */
+void print_size (phys_size_t size, const char *s)
+{
+ ulong m = 0, n;
+ phys_size_t d = 1 << 30; /* 1 GB */
+ char c = 'G';
+
+ if (size < d) { /* try MB */
+ c = 'M';
+ d = 1 << 20;
+ if (size < d) { /* print in kB */
+ c = 'k';
+ d = 1 << 10;
+ }
+ }
+
+ n = size / d;
+
+ /* If there's a remainder, deal with it */
+ if(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;
+}