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authorGrant Likely <grant.likely@secretlab.ca>2012-03-02 11:56:38 +0000
committerPeter Maydell <peter.maydell@linaro.org>2012-03-02 11:56:38 +0000
commit412beee6a0349ce430920e2b2faa8009ced4a672 (patch)
treea45532e27595b703ab6e8106b52a0ba4ab4cb95e /qemu-options.hx
parent41c1e2f54e6fc76dbc7047f1a95693f4d37b4623 (diff)
downloadqemu-arm-412beee6a0349ce430920e2b2faa8009ced4a672.tar.gz
arm: add device tree support
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>
Diffstat (limited to 'qemu-options.hx')
-rw-r--r--qemu-options.hx9
1 files changed, 9 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index b12999649f..e38799c648 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2037,6 +2037,15 @@ Use @var{file1} and @var{file2} as modules and pass arg=foo as parameter to the
first module.
ETEXI
+DEF("dtb", HAS_ARG, QEMU_OPTION_dtb, \
+ "-dtb file use 'file' as device tree image\n", QEMU_ARCH_ARM)
+STEXI
+@item -dtb @var{file}
+@findex -dtb
+Use @var{file} as a device tree binary (dtb) image and pass it to the kernel
+on boot.
+ETEXI
+
STEXI
@end table
ETEXI