1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2000-2002
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 */
6
7 #include <common.h>
8 #include <compiler.h>
9 #include <console.h>
10 #include <div64.h>
11 #include <version.h>
12 #include <linux/ctype.h>
13 #include <asm/io.h>
14
display_options_get_banner_priv(bool newlines,const char * build_tag,char * buf,int size)15 char *display_options_get_banner_priv(bool newlines, const char *build_tag,
16 char *buf, int size)
17 {
18 int len;
19
20 len = snprintf(buf, size, "%s%s", newlines ? "\n\n" : "",
21 version_string);
22 if (build_tag && len < size)
23 len += snprintf(buf + len, size - len, ", Build: %s",
24 build_tag);
25 if (len > size - 3)
26 len = size - 3;
27 if (len < 0)
28 len = 0;
29 snprintf(buf + len, size - len, "\n\n");
30
31 return buf;
32 }
33
34 #ifndef BUILD_TAG
35 #define BUILD_TAG NULL
36 #endif
37
display_options_get_banner(bool newlines,char * buf,int size)38 char *display_options_get_banner(bool newlines, char *buf, int size)
39 {
40 return display_options_get_banner_priv(newlines, BUILD_TAG, buf, size);
41 }
42
display_options(void)43 int display_options(void)
44 {
45 char buf[DISPLAY_OPTIONS_BANNER_LENGTH];
46
47 display_options_get_banner(true, buf, sizeof(buf));
48 printf("%s", buf);
49
50 return 0;
51 }
52
print_freq(uint64_t freq,const char * s)53 void print_freq(uint64_t freq, const char *s)
54 {
55 unsigned long m = 0;
56 uint32_t f;
57 static const char names[] = {'G', 'M', 'k'};
58 unsigned long d = 1e9;
59 char c = 0;
60 unsigned int i;
61
62 for (i = 0; i < ARRAY_SIZE(names); i++, d /= 1000) {
63 if (freq >= d) {
64 c = names[i];
65 break;
66 }
67 }
68
69 if (!c) {
70 printf("%llu Hz%s", freq, s);
71 return;
72 }
73
74 f = do_div(freq, d);
75
76 /* If there's a remainder, show the first few digits */
77 if (f) {
78 m = f;
79 while (m > 1000)
80 m /= 10;
81 while (m && !(m % 10))
82 m /= 10;
83 if (m >= 100)
84 m = (m / 10) + (m % 100 >= 50);
85 }
86
87 printf("%lu", (unsigned long) freq);
88 if (m)
89 printf(".%ld", m);
90 printf(" %cHz%s", c, s);
91 }
92
print_size(uint64_t size,const char * s)93 void print_size(uint64_t size, const char *s)
94 {
95 unsigned long m = 0, n;
96 uint64_t f;
97 static const char names[] = {'E', 'P', 'T', 'G', 'M', 'K'};
98 unsigned long d = 10 * ARRAY_SIZE(names);
99 char c = 0;
100 unsigned int i;
101
102 for (i = 0; i < ARRAY_SIZE(names); i++, d -= 10) {
103 if (size >> d) {
104 c = names[i];
105 break;
106 }
107 }
108
109 if (!c) {
110 printf("%llu Bytes%s", size, s);
111 return;
112 }
113
114 n = size >> d;
115 f = size & ((1ULL << d) - 1);
116
117 /* If there's a remainder, deal with it */
118 if (f) {
119 m = (10ULL * f + (1ULL << (d - 1))) >> d;
120
121 if (m >= 10) {
122 m -= 10;
123 n += 1;
124 }
125 }
126
127 printf ("%lu", n);
128 if (m) {
129 printf (".%ld", m);
130 }
131 printf (" %ciB%s", c, s);
132 }
133
134 #define MAX_LINE_LENGTH_BYTES (64)
135 #define DEFAULT_LINE_LENGTH_BYTES (16)
print_buffer(ulong addr,const void * data,uint width,uint count,uint linelen)136 int print_buffer(ulong addr, const void *data, uint width, uint count,
137 uint linelen)
138 {
139 /* linebuf as a union causes proper alignment */
140 union linebuf {
141 uint64_t uq[MAX_LINE_LENGTH_BYTES/sizeof(uint64_t) + 1];
142 uint32_t ui[MAX_LINE_LENGTH_BYTES/sizeof(uint32_t) + 1];
143 uint16_t us[MAX_LINE_LENGTH_BYTES/sizeof(uint16_t) + 1];
144 uint8_t uc[MAX_LINE_LENGTH_BYTES/sizeof(uint8_t) + 1];
145 } lb;
146 int i;
147 ulong x;
148
149 if (linelen*width > MAX_LINE_LENGTH_BYTES)
150 linelen = MAX_LINE_LENGTH_BYTES / width;
151 if (linelen < 1)
152 linelen = DEFAULT_LINE_LENGTH_BYTES / width;
153
154 while (count) {
155 uint thislinelen = linelen;
156 printf("%08lx:", addr);
157
158 /* check for overflow condition */
159 if (count < thislinelen)
160 thislinelen = count;
161
162 /* Copy from memory into linebuf and print hex values */
163 for (i = 0; i < thislinelen; i++) {
164 if (width == 4)
165 x = lb.ui[i] = *(volatile uint32_t *)data;
166 else if (MEM_SUPPORT_64BIT_DATA && width == 8)
167 x = lb.uq[i] = *(volatile ulong *)data;
168 else if (width == 2)
169 x = lb.us[i] = *(volatile uint16_t *)data;
170 else
171 x = lb.uc[i] = *(volatile uint8_t *)data;
172 if (CONFIG_IS_ENABLED(USE_TINY_PRINTF))
173 printf(" %x", (uint)x);
174 else
175 printf(" %0*lx", width * 2, x);
176 data += width;
177 }
178
179 while (thislinelen < linelen) {
180 /* fill line with whitespace for nice ASCII print */
181 for (i=0; i<width*2+1; i++)
182 puts(" ");
183 linelen--;
184 }
185
186 /* Print data in ASCII characters */
187 for (i = 0; i < thislinelen * width; i++) {
188 if (!isprint(lb.uc[i]) || lb.uc[i] >= 0x80)
189 lb.uc[i] = '.';
190 }
191 lb.uc[i] = '\0';
192 printf(" %s\n", lb.uc);
193
194 /* update references */
195 addr += thislinelen * width;
196 count -= thislinelen;
197
198 #ifndef CONFIG_SPL_BUILD
199 if (ctrlc())
200 return -1;
201 #endif
202 }
203
204 return 0;
205 }
206