Public bug reported:
I found it can't backup the guest RAM when i run simple ram test code
with
errors which can't backing storage for guest RAM with integratorcp, the
commander is:
qemu-system-arm -M integratorcp -m 1 -semihosting -nographic -mem-path
mem.txt -kernel build/emu_ram_test.elf
i wrote the patter "0x55" to all of the rest of RAM in my test, after
run my test code, it just generate the 1048576 Bytes file, i split these
file into 2kB, most of split file is black, some of them just display
\00 after open with gedit.
i don't know whether my commander is incorrect, anyone can confirm it
for me? i just want to write the guest RAM and read it from host during
the guest code is running. but my guest just has simple os without file
system and network. so i want to try with this backend RAM ways.
thanks.
js
** Affects: qemu
Importance: Undecided
Status: New
** Tags: integratorcp qemu-system-arm
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https://bugs.launchpad.net/bugs/1690322
Title:
errors which can't backing storage for guest RAM with -mem-path
Status in QEMU:
New
Bug description:
I found it can't backup the guest RAM when i run simple ram test code
with
errors which can't backing storage for guest RAM with integratorcp,
the commander is:
qemu-system-arm -M integratorcp -m 1 -semihosting -nographic -mem-path
mem.txt -kernel build/emu_ram_test.elf
i wrote the patter "0x55" to all of the rest of RAM in my test, after
run my test code, it just generate the 1048576 Bytes file, i split
these file into 2kB, most of split file is black, some of them just
display \00 after open with gedit.
i don't know whether my commander is incorrect, anyone can confirm it
for me? i just want to write the guest RAM and read it from host
during the guest code is running. but my guest just has simple os
without file system and network. so i want to try with this backend
RAM ways.
thanks.
js
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