From 0fb79851c3dffa06de648d955ee2f2b47bfb96ce Mon Sep 17 00:00:00 2001 From: John Rigby Date: Fri, 22 Nov 2013 17:17:10 +0000 Subject: 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 Reviewed-by: Christoffer Dall Message-id: 1385140638-10444-4-git-send-email-peter.maydell@linaro.org [PMM: minor tweaks and cleanup] Signed-off-by: Peter Maydell --- include/hw/arm/arm.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/hw') 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. */ -- cgit v1.2.3