summaryrefslogtreecommitdiffstats
path: root/lib/display_options.c
blob: 4ea27ca99d36827e20b0a93bf895494d50bf5255 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
/*
 * (C) Copyright 2000-2002
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <console.h>
#include <div64.h>
#include <inttypes.h>
#include <version.h>
#include <linux/ctype.h>
#include <asm/io.h>

char *display_options_get_banner_priv(bool newlines, const char *build_tag,
				      char *buf, int size)
{
	int len;

	len = snprintf(buf, size, "%s%s", newlines ? "\n\n" : "",
		       version_string);
	if (build_tag && len < size)
		len += snprintf(buf + len, size - len, ", Build: %s",
				build_tag);
	if (len > size - 3)
		len = size - 3;
	strcpy(buf + len, "\n\n");

	return buf;
}

#ifndef BUILD_TAG
#define BUILD_TAG NULL
#endif

char *display_options_get_banner(bool newlines, char *buf, int size)
{
	return display_options_get_banner_priv(newlines, BUILD_TAG, buf, size);
}

int display_options(void)
{
	char buf[DISPLAY_OPTIONS_BANNER_LENGTH];

	display_options_get_banner(true, buf, sizeof(buf));
	printf("%s", buf);

	return 0;
}

void print_freq(uint64_t freq, const char *s)
{
	unsigned long m = 0;
	uint32_t f;
	static const char names[] = {'G', 'M', 'K'};
	unsigned long d = 1e9;
	char c = 0;
	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(names); i++, d /= 1000) {
		if (freq >= d) {
			c = names[i];
			break;
		}
	}

	if (!c) {
		printf("%" PRIu64 " Hz%s", freq, s);
		return;
	}

	f = do_div(freq, d);

	/* If there's a remainder, show the first few digits */
	if (f) {
		m = f;
		while (m > 1000)
			m /= 10;
		while (m && !(m % 10))
			m /= 10;
		if (m >= 100)
			m = (m / 10) + (m % 100 >= 50);
	}

	printf("%lu", (unsigned long) freq);
	if (m)
		printf(".%ld", m);
	printf(" %cHz%s", c, s);
}

void print_size(uint64_t size, const char *s)
{
	unsigned long m = 0, n;
	uint64_t 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("%" PRIu64 " 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);
}

#define MAX_LINE_LENGTH_BYTES (64)
#define DEFAULT_LINE_LENGTH_BYTES (16)
int print_buffer(ulong addr, const void *data, uint width, uint count,
		 uint linelen)
{
	/* 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 __maybe_unused x;
#else
	uint32_t __maybe_unused x;
#endif

	if (linelen*width > MAX_LINE_LENGTH_BYTES)
		linelen = MAX_LINE_LENGTH_BYTES / width;
	if (linelen < 1)
		linelen = DEFAULT_LINE_LENGTH_BYTES / width;

	while (count) {
		uint thislinelen = linelen;
		printf("%08lx:", addr);

		/* check for overflow condition */
		if (count < thislinelen)
			thislinelen = count;

		/* Copy from memory into linebuf and print hex values */
		for (i = 0; i < thislinelen; i++) {
			if (width == 4)
				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 = lb.us[i] = *(volatile uint16_t *)data;
			else
				x = lb.uc[i] = *(volatile uint8_t *)data;
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
			printf(" %0*llx", width * 2, (long long)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 < 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 += thislinelen * width;
		count -= thislinelen;

		if (ctrlc())
			return -1;
	}

	return 0;
}