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lib/display_options.c
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d41ce506b Initial Release, ... |
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/* * (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 ? " " : "", 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, " "); 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 ", lb.uc); /* update references */ addr += thislinelen * width; count -= thislinelen; if (ctrlc()) return -1; } return 0; } |