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arm: add device tree support

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If compiled with CONFIG_FDT, allow user to specify a device tree file using
the -dtb argument.  If the machine supports it then the dtb will be loaded
into memory and passed to the kernel on boot.

Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
[Peter Maydell: Use machine opt rather than global to pass dtb filename]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Grant Likely 2012-03-02 11:56:38 +00:00 • committed by Peter Maydell
parent 41c1e2f54e
commit 412beee6a0
7 changed files with 120 additions and 6 deletions
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4
qemu-config.c
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@ -578,6 +578,10 @@ static QemuOptsList qemu_machine_opts = {
.name = "append",
.type = QEMU_OPT_STRING,
.help = "Linux kernel command line",
}, {
.name = "dtb",
.type = QEMU_OPT_STRING,
.help = "Linux kernel device tree file",
},
{ /* End of list */ }
},