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1 /*
2 * (C) Copyright 2000-2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 #include <config.h>
9 #include <common.h>
10 #include <div64.h>
11 #include <inttypes.h>
12 #include <version.h>
13 #include <linux/ctype.h>
14 #include <asm/io.h>
15
16 int display_options (void)
17 {
18 #if defined(BUILD_TAG)
19 printf ("\n\n%s, Build: %s\n\n", version_string, BUILD_TAG);
20 #else
21 printf ("\n\n%s\n\n", version_string);
22 #endif
23 return 0;
24 }
25
26 void print_freq(uint64_t freq, const char *s)
27 {
28 unsigned long m = 0;
29 #if defined(CONFIG_SPL_SERIAL_SUPPORT)
30 unsigned long n;
31 #endif
32 uint32_t f;
33 static const char names[] = {'G', 'M', 'K'};
34 unsigned long d = 1e9;
35 char c = 0;
36 unsigned int i;
37
38 for (i = 0; i < ARRAY_SIZE(names); i++, d /= 1000) {
39 if (freq >= d) {
40 c = names[i];
41 break;
42 }
43 }
44
45 if (!c) {
46 printf("%" PRIu64 " Hz%s", freq, s);
47 return;
48 }
49
50 f = do_div(freq, d);
51 #if defined(CONFIG_SPL_SERIAL_SUPPORT)
52 n = freq;
53 #endif
54
55 /* If there's a remainder, show the first few digits */
56 if (f) {
57 m = f;
58 while (m > 1000)
59 m /= 10;
60 while (m && !(m % 10))
61 m /= 10;
62 if (m >= 100)
63 m = (m / 10) + (m % 100 >= 50);
64 }
65
66 #if defined(CONFIG_SPL_SERIAL_SUPPORT)
67 printf("%lu", n);
68 #endif
69 if (m)
70 printf(".%ld", m);
71 printf(" %cHz%s", c, s);
72 }
73
74 void print_size(uint64_t size, const char *s)
75 {
76 unsigned long m = 0, n;
77 uint64_t f;
78 static const char names[] = {'E', 'P', 'T', 'G', 'M', 'K'};
79 unsigned long d = 10 * ARRAY_SIZE(names);
80 char c = 0;
81 unsigned int i;
82
83 for (i = 0; i < ARRAY_SIZE(names); i++, d -= 10) {
84 if (size >> d) {
85 c = names[i];
86 break;
87 }
88 }
89
90 if (!c) {
91 printf("%" PRIu64 " Bytes%s", size, s);
92 return;
93 }
94
95 n = size >> d;
96 f = size & ((1ULL << d) - 1);
97
98 /* If there's a remainder, deal with it */
99 if (f) {
100 m = (10ULL * f + (1ULL << (d - 1))) >> d;
101
102 if (m >= 10) {
103 m -= 10;
104 n += 1;
105 }
106 }
107
108 printf ("%lu", n);
109 if (m) {
110 printf (".%ld", m);
111 }
112 printf (" %ciB%s", c, s);
113 }
114
115 #define MAX_LINE_LENGTH_BYTES (64)
116 #define DEFAULT_LINE_LENGTH_BYTES (16)
117 int print_buffer(ulong addr, const void *data, uint width, uint count,
118 uint linelen)
119 {
120 /* linebuf as a union causes proper alignment */
121 union linebuf {
122 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
123 uint64_t uq[MAX_LINE_LENGTH_BYTES/sizeof(uint64_t) + 1];
124 #endif
125 uint32_t ui[MAX_LINE_LENGTH_BYTES/sizeof(uint32_t) + 1];
126 uint16_t us[MAX_LINE_LENGTH_BYTES/sizeof(uint16_t) + 1];
127 uint8_t uc[MAX_LINE_LENGTH_BYTES/sizeof(uint8_t) + 1];
128 } lb;
129 int i;
130 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
131 uint64_t __maybe_unused x;
132 #else
133 uint32_t __maybe_unused x;
134 #endif
135
136 if (linelen*width > MAX_LINE_LENGTH_BYTES)
137 linelen = MAX_LINE_LENGTH_BYTES / width;
138 if (linelen < 1)
139 linelen = DEFAULT_LINE_LENGTH_BYTES / width;
140
141 while (count) {
142 uint thislinelen = linelen;
143 printf("%08lx:", addr);
144
145 /* check for overflow condition */
146 if (count < thislinelen)
147 thislinelen = count;
148
149 /* Copy from memory into linebuf and print hex values */
150 for (i = 0; i < thislinelen; i++) {
151 if (width == 4)
152 x = lb.ui[i] = *(volatile uint32_t *)data;
153 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
154 else if (width == 8)
155 x = lb.uq[i] = *(volatile uint64_t *)data;
156 #endif
157 else if (width == 2)
158 x = lb.us[i] = *(volatile uint16_t *)data;
159 else
160 x = lb.uc[i] = *(volatile uint8_t *)data;
161 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
162 printf(" %0*llx", width * 2, (long long)x);
163 #else
164 printf(" %0*x", width * 2, x);
165 #endif
166 data += width;
167 }
168
169 while (thislinelen < linelen) {
170 /* fill line with whitespace for nice ASCII print */
171 for (i=0; i<width*2+1; i++)
172 puts(" ");
173 linelen--;
174 }
175
176 /* Print data in ASCII characters */
177 for (i = 0; i < thislinelen * width; i++) {
178 if (!isprint(lb.uc[i]) || lb.uc[i] >= 0x80)
179 lb.uc[i] = '.';
180 }
181 lb.uc[i] = '\0';
182 printf(" %s\n", lb.uc);
183
184 /* update references */
185 addr += thislinelen * width;
186 count -= thislinelen;
187
188 if (ctrlc())
189 return -1;
190 }
191
192 return 0;
193 }