| dump | ||
|---|---|---|
 | 225.2. Common Commands |  |
Name
dump — Display memory.
Synopsis
dump {-b location} [-l length] [-s] [[-1] | [-2] | [-4]]
Arguments
| Name | Type | Description | Default |
|---|---|---|---|
-b location | Memory address | Location in memory for start of data. | none |
-l length | Number | Length of data | 32 |
| -s | Boolean | Format data using Motorola S-records. | |
| -1 | Access one byte (8 bits) at a time. Only the least significant 8 bits of the pattern will be used. | -1 | |
| -2 | Access two bytes (16 bits) at a time. Only the least significant 16 bits of the pattern will be used. | -1 | |
| -4 | Access one word (32 bits) at a time. | -1 |
Description
Display a range of memory on the system console.
The x is a synonym for dump.
Note that this command could be detrimental if used on memory mapped hardware registers.
The memory is displayed at most sixteen bytes per line, first as the raw hex value, followed by an ASCII interpretation of the data.
Examples
Display a buffer, one byte at a time.
RedBoot>mfill -b 0x100000 -l 0x20 -p 0xDEADFACERedBoot>x -b 0x10000000100000: CE FA AD DE CE FA AD DE CE FA AD DE CE FA AD DE |................| 00100010: CE FA AD DE CE FA AD DE CE FA AD DE CE FA AD DE |................|
Display a buffer, one short (16 bit) word at a time. Note in this case that the ASCII interpretation is suppressed.
RedBoot> dump -b 0x100000 -2
00100000: FACE DEAD FACE DEAD FACE DEAD FACE DEAD
00100010: FACE DEAD FACE DEAD FACE DEAD FACE DEADDisplay a buffer, one word (32 bit) word at a time. Note in this case that the ASCII interpretation is suppressed.
RedBoot> dump -b 0x100000 -4
00100000: DEADFACE DEADFACE DEADFACE DEADFACE
00100010: DEADFACE DEADFACE DEADFACE DEADFACEDisplay the same buffer, using Motorola S-record format.
RedBoot> dump -b 0x100000 -s
S31500100000CEFAADDECEFAADDECEFAADDECEFAADDE8E
S31500100010CEFAADDECEFAADDECEFAADDECEFAADDE7EDisplay a buffer, with visible ASCII strings.
RedBoot> d -b 0xfe00b000 -l 0x80
0xFE00B000: 20 25 70 0A 00 00 00 00 41 74 74 65 6D 70 74 20 | %p.....Attempt |
0xFE00B010: 74 6F 20 6C 6F 61 64 20 53 2D 72 65 63 6F 72 64 |to load S-record|
0xFE00B020: 20 64 61 74 61 20 74 6F 20 61 64 64 72 65 73 73 | data to address|
0xFE00B030: 3A 20 25 70 20 5B 6E 6F 74 20 69 6E 20 52 41 4D |: %p [not in RAM|
0xFE00B040: 5D 0A 00 00 2A 2A 2A 20 57 61 72 6E 69 6E 67 21 |]...*** Warning!|
0xFE00B050: 20 43 68 65 63 6B 73 75 6D 20 66 61 69 6C 75 72 | Checksum failur|
0xFE00B060: 65 20 2D 20 41 64 64 72 3A 20 25 6C 78 2C 20 25 |e - Addr: %lx, %|
0xFE00B070: 30 32 6C 58 20 3C 3E 20 25 30 32 6C 58 0A 00 00 |02lX <> %02lX...|
0xFE00B080: 45 6E 74 72 79 20 70 6F 69 6E 74 3A 20 25 70 2C |Entry point: %p,|| |  | |
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| 2024-03-18 | eCosPro Non-Commercial Public License |