dmem
Syntax
dmem[-b][address][size][-MMIO]
Description
Displays the contents of system or device memory.
Options
-b
Displays one screen at a time.
address
Displays memory contents from a specific starting address (in hexadecimal format).
size
Displays memory contents of a specific size (in hexadecimal format).
-MMIO
Displays memory mapped contents using the
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
.
Usage
If
address
is not specified, the contents of the EFI System Table are displayed. Otherwise, memory starting at the
address
is displayed. If
size
is not specified, the display defaults to 512 bytes. If
-MMIO
is not specified, main system memory is displayed. Otherwise, device memory is displayed through the use of the
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
.
Example
To display memory contents from
1af3088
with a size of 16 bytes:
Shell> dmem 1af3088 16
Memory Address 0000000001AF3088 16 Bytes
01AF3088: 49 42 49 20 53 59 53 54-00 00 02 00 18 00 00 00 *IBI SYST........*
01AF3098: FF 9E D7 9B 00 00 *......*