GRMON3-UM
June 2019, Version 3.1.0
214 www.cobham.com/gaisler
105. vwmemb - syntax
NAME
vwmemb - AMBA bus 8-bit virtual memory write access
SYNOPSIS
vwmemb ?options...? address data ?...?
DESCRIPTION
vwmemb ?options...? address data ?...?
Do an AMBA write access. GRMON will translate address to a physical address and write the 8-bit
value specified by data. If more than one data word has been specified, they will be stored at consecutive
physical addresses. If no MMU exists or if it is turned off, this command will behave like the command
vwmemb
NOTE: Only JTAG debug links supports byte accesses. Other debug links will do a 32-bit read-modi-
fy-write when writing unaligned data.
OPTIONS
-bsize bytes
The -bsize option may be used to specify the size blocks of data in bytes that will be written.
-wprot
Disable memory controller write protection during the write.
RETURN VALUE
vwmemb has no return value.
EXAMPLE
Write 0xAB to address 0x40000000 and 0xCD to 0x40000004:
grmon3> vwmemb 0x40000000 0xAB 0xCD
SEE ALSO
Section 3.4.7, “Displaying memory contents”
Section 3.4.14, “Memory Management Unit (MMU) support”
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