2 * (C) Copyright 2000-2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
12 #include <linux/ctype.h>
15 int display_options (void)
17 #if defined(BUILD_TAG)
18 printf ("\n\n%s, Build: %s\n\n", version_string
, BUILD_TAG
);
20 printf ("\n\n%s\n\n", version_string
);
25 void print_size(uint64_t size
, const char *s
)
27 unsigned long m
= 0, n
;
29 static const char names
[] = {'E', 'P', 'T', 'G', 'M', 'K'};
30 unsigned long d
= 10 * ARRAY_SIZE(names
);
34 for (i
= 0; i
< ARRAY_SIZE(names
); i
++, d
-= 10) {
42 printf("%" PRIu64
" Bytes%s", size
, s
);
47 f
= size
& ((1ULL << d
) - 1);
49 /* If there's a remainder, deal with it */
51 m
= (10ULL * f
+ (1ULL << (d
- 1))) >> d
;
63 printf (" %ciB%s", c
, s
);
67 * Print data buffer in hex and ascii form to the terminal.
69 * data reads are buffered so that each memory address is only read once.
70 * Useful when displaying the contents of volatile registers.
73 * addr: Starting address to display at start of line
74 * data: pointer to data buffer
75 * width: data value width. May be 1, 2, or 4.
76 * count: number of values to display
77 * linelen: Number of values to print per line; specify 0 for default length
79 #define MAX_LINE_LENGTH_BYTES (64)
80 #define DEFAULT_LINE_LENGTH_BYTES (16)
81 int print_buffer(ulong addr
, const void *data
, uint width
, uint count
,
84 /* linebuf as a union causes proper alignment */
86 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
87 uint64_t uq
[MAX_LINE_LENGTH_BYTES
/sizeof(uint64_t) + 1];
89 uint32_t ui
[MAX_LINE_LENGTH_BYTES
/sizeof(uint32_t) + 1];
90 uint16_t us
[MAX_LINE_LENGTH_BYTES
/sizeof(uint16_t) + 1];
91 uint8_t uc
[MAX_LINE_LENGTH_BYTES
/sizeof(uint8_t) + 1];
94 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
100 if (linelen
*width
> MAX_LINE_LENGTH_BYTES
)
101 linelen
= MAX_LINE_LENGTH_BYTES
/ width
;
103 linelen
= DEFAULT_LINE_LENGTH_BYTES
/ width
;
106 uint thislinelen
= linelen
;
107 printf("%08lx:", addr
);
109 /* check for overflow condition */
110 if (count
< thislinelen
)
113 /* Copy from memory into linebuf and print hex values */
114 for (i
= 0; i
< thislinelen
; i
++) {
116 x
= lb
.ui
[i
] = *(volatile uint32_t *)data
;
117 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
119 x
= lb
.uq
[i
] = *(volatile uint64_t *)data
;
122 x
= lb
.us
[i
] = *(volatile uint16_t *)data
;
124 x
= lb
.uc
[i
] = *(volatile uint8_t *)data
;
125 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
126 printf(" %0*" PRIx64
, width
* 2, x
);
128 printf(" %0*x", width
* 2, x
);
133 while (thislinelen
< linelen
) {
134 /* fill line with whitespace for nice ASCII print */
135 for (i
=0; i
<width
*2+1; i
++)
140 /* Print data in ASCII characters */
141 for (i
= 0; i
< thislinelen
* width
; i
++) {
142 if (!isprint(lb
.uc
[i
]) || lb
.uc
[i
] >= 0x80)
146 printf(" %s\n", lb
.uc
);
148 /* update references */
149 addr
+= thislinelen
* width
;
150 count
-= thislinelen
;