1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2000-2002 4 * Wolfgang Denk, DENX Software Engineering, wd (at) denx.de. 5 */ 6 7 #include <common.h> 8 #include <console.h> 9 #include <div64.h> 10 #include <inttypes.h> 11 #include <version.h> 12 #include <linux/ctype.h> 13 #include <asm/io.h> 14 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 strcpy(buf + len, "\n\n"); 28 29 return buf; 30 } 31 32 #ifndef BUILD_TAG 33 #define BUILD_TAG NULL 34 #endif 35 36 char *display_options_get_banner(bool newlines, char *buf, int size) 37 { 38 return display_options_get_banner_priv(newlines, BUILD_TAG, buf, size); 39 } 40 41 int display_options(void) 42 { 43 char buf[DISPLAY_OPTIONS_BANNER_LENGTH]; 44 45 display_options_get_banner(true, buf, sizeof(buf)); 46 printf("%s", buf); 47 48 return 0; 49 } 50 51 void print_freq(uint64_t freq, const char *s) 52 { 53 unsigned long m = 0; 54 uint32_t f; 55 static const char names[] = {'G', 'M', 'K'}; 56 unsigned long d = 1e9; 57 char c = 0; 58 unsigned int i; 59 60 for (i = 0; i < ARRAY_SIZE(names); i++, d /= 1000) { 61 if (freq >= d) { 62 c = names[i]; 63 break; 64 } 65 } 66 67 if (!c) { 68 printf("%" PRIu64 " Hz%s", freq, s); 69 return; 70 } 71 72 f = do_div(freq, d); 73 74 /* If there's a remainder, show the first few digits */ 75 if (f) { 76 m = f; 77 while (m > 1000) 78 m /= 10; 79 while (m && !(m % 10)) 80 m /= 10; 81 if (m >= 100) 82 m = (m / 10) + (m % 100 >= 50); 83 } 84 85 printf("%lu", (unsigned long) freq); 86 if (m) 87 printf(".%ld", m); 88 printf(" %cHz%s", c, s); 89 } 90 91 void print_size(uint64_t size, const char *s) 92 { 93 unsigned long m = 0, n; 94 uint64_t f; 95 static const char names[] = {'E', 'P', 'T', 'G', 'M', 'K'}; 96 unsigned long d = 10 * ARRAY_SIZE(names); 97 char c = 0; 98 unsigned int i; 99 100 for (i = 0; i < ARRAY_SIZE(names); i++, d -= 10) { 101 if (size >> d) { 102 c = names[i]; 103 break; 104 } 105 } 106 107 if (!c) { 108 printf("%" PRIu64 " Bytes%s", size, s); 109 return; 110 } 111 112 n = size >> d; 113 f = size & ((1ULL << d) - 1); 114 115 /* If there's a remainder, deal with it */ 116 if (f) { 117 m = (10ULL * f + (1ULL << (d - 1))) >> d; 118 119 if (m >= 10) { 120 m -= 10; 121 n += 1; 122 } 123 } 124 125 printf ("%lu", n); 126 if (m) { 127 printf (".%ld", m); 128 } 129 printf (" %ciB%s", c, s); 130 } 131 132 #define MAX_LINE_LENGTH_BYTES (64) 133 #define DEFAULT_LINE_LENGTH_BYTES (16) 134 int print_buffer(ulong addr, const void *data, uint width, uint count, 135 uint linelen) 136 { 137 /* linebuf as a union causes proper alignment */ 138 union linebuf { 139 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA 140 uint64_t uq[MAX_LINE_LENGTH_BYTES/sizeof(uint64_t) + 1]; 141 #endif 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 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA 148 uint64_t __maybe_unused x; 149 #else 150 uint32_t __maybe_unused x; 151 #endif 152 153 if (linelen*width > MAX_LINE_LENGTH_BYTES) 154 linelen = MAX_LINE_LENGTH_BYTES / width; 155 if (linelen < 1) 156 linelen = DEFAULT_LINE_LENGTH_BYTES / width; 157 158 while (count) { 159 uint thislinelen = linelen; 160 printf("%08lx:", addr); 161 162 /* check for overflow condition */ 163 if (count < thislinelen) 164 thislinelen = count; 165 166 /* Copy from memory into linebuf and print hex values */ 167 for (i = 0; i < thislinelen; i++) { 168 if (width == 4) 169 x = lb.ui[i] = *(volatile uint32_t *)data; 170 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA 171 else if (width == 8) 172 x = lb.uq[i] = *(volatile uint64_t *)data; 173 #endif 174 else if (width == 2) 175 x = lb.us[i] = *(volatile uint16_t *)data; 176 else 177 x = lb.uc[i] = *(volatile uint8_t *)data; 178 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA 179 printf(" %0*llx", width * 2, (long long)x); 180 #else 181 printf(" %0*x", width * 2, x); 182 #endif 183 data += width; 184 } 185 186 while (thislinelen < linelen) { 187 /* fill line with whitespace for nice ASCII print */ 188 for (i=0; i<width*2+1; i++) 189 puts(" "); 190 linelen--; 191 } 192 193 /* Print data in ASCII characters */ 194 for (i = 0; i < thislinelen * width; i++) { 195 if (!isprint(lb.uc[i]) || lb.uc[i] >= 0x80) 196 lb.uc[i] = '.'; 197 } 198 lb.uc[i] = '\0'; 199 printf(" %s\n", lb.uc); 200 201 /* update references */ 202 addr += thislinelen * width; 203 count -= thislinelen; 204 205 if (ctrlc()) 206 return -1; 207 } 208 209 return 0; 210 } 211
