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| author | Andrew Jeffery <andrew@aj.id.au> | 2016-06-15 11:44:11 +1000 |
|---|---|---|
| committer | Andrew Jeffery <andrew@aj.id.au> | 2016-06-15 11:49:55 +1000 |
| commit | aad6505c9a5e5980bb88808ebdd1fca98f63ecd8 (patch) | |
| tree | eb66051f584a45ddbb50b65ea0daabb8c0babd37 | |
| parent | b065d2c15a5cd0a2e3e320c176fc19e3b9aabd51 (diff) | |
| download | openbmc-docs-aad6505c9a5e5980bb88808ebdd1fca98f63ecd8.tar.gz openbmc-docs-aad6505c9a5e5980bb88808ebdd1fca98f63ecd8.zip | |
cheatsheet.md: Re-write QEMU invocation example
The commandline provided had several issues:
* The -dtb option was redundant as we boot with the cuImage, and caused
some kernel configuration to be skipped which in turn ended in a
kernel panic
* -append argument was redundant with respect to the devicetree
* The file paths used typically required the user to change up out of
the build directory after bitbaking obmc-phosphor-image
The patch addresses all of the above.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
| -rw-r--r-- | cheatsheet.md | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/cheatsheet.md b/cheatsheet.md index 4e2c8f5..f51522c 100644 --- a/cheatsheet.md +++ b/cheatsheet.md @@ -91,18 +91,16 @@ temporary work-arounds that add to QEMU's capabilities where appropriate. QEMU's wiki has instructions for [building from source](http://wiki.qemu.org/Documentation/GettingStartedDevelopers). -Assuming the CWD is the root of the openbmc tree, a palmetto-bmc machine can be -invoked with: +Assuming the current working directory is the `build` directory (from sourcing +`oe-init-build-env`), a palmetto-bmc machine can be invoked with: ``` qemu-system-arm \ -M palmetto-bmc \ -m 256 \ - -append "console=ttyS4" \ -nographic \ - -kernel build/tmp/deploy/images/palmetto/cuImage-palmetto.bin \ - -dtb build/tmp/deploy/images/palmetto/cuImage-aspeed-bmc-opp-palmetto.dtb \ - -initrd build/tmp/deploy/images/palmetto/obmc-phosphor-image-palmetto.cpio.gz + -kernel tmp/deploy/images/palmetto/cuImage-palmetto.bin \ + -initrd tmp/deploy/images/palmetto/obmc-phosphor-image-palmetto.cpio.gz ``` To quit, type `Ctrl-a c` to switch to the QEMU monitor, and then `quit` to exit. |
