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| author | John Rigby <john.rigby@linaro.org> | 2013-11-22 17:17:10 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2013-12-10 13:28:30 +0000 |
| commit | 0fb79851c3dffa06de648d955ee2f2b47bfb96ce (patch) | |
| tree | a340a17a7a36a59689754c1a4f43e4b18796421d /include/hw/arm | |
| parent | ef6de70ea811d66ebb6b9b6046e304f588e754bb (diff) | |
| download | qemu-0fb79851c3dffa06de648d955ee2f2b47bfb96ce.tar.gz qemu-0fb79851c3dffa06de648d955ee2f2b47bfb96ce.tar.bz2 qemu-0fb79851c3dffa06de648d955ee2f2b47bfb96ce.zip | |
hw/arm/boot: Allow boards to provide an fdt blob
If no fdt is provided on command line and the new field
get_dtb in struct arm_boot_info is set then call it to
get a device tree blob.
Signed-off-by: John Rigby <john.rigby@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1385140638-10444-4-git-send-email-peter.maydell@linaro.org
[PMM: minor tweaks and cleanup]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/arm')
| -rw-r--r-- | include/hw/arm/arm.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/hw/arm/arm.h b/include/hw/arm/arm.h index ecbbba871e..cbbf4ca4cb 100644 --- a/include/hw/arm/arm.h +++ b/include/hw/arm/arm.h @@ -50,6 +50,13 @@ struct arm_boot_info { const struct arm_boot_info *info); void (*secondary_cpu_reset_hook)(ARMCPU *cpu, const struct arm_boot_info *info); + /* if a board is able to create a dtb without a dtb file then it + * sets get_dtb. This will only be used if no dtb file is provided + * by the user. On success, sets *size to the length of the created + * dtb, and returns a pointer to it. (The caller must free this memory + * with g_free() when it has finished with it.) On failure, returns NULL. + */ + void *(*get_dtb)(const struct arm_boot_info *info, int *size); /* if a board needs to be able to modify a device tree provided by * the user it should implement this hook. */ |