diff options
| author | Lukas Auer <lukas.auer@aisec.fraunhofer.de> | 2018-11-22 11:26:36 +0100 |
|---|---|---|
| committer | Andes <uboot@andestech.com> | 2018-11-26 13:57:33 +0800 |
| commit | 66ffe5783b6340977ead5782cce9b63edfc0e348 (patch) | |
| tree | 7ed1c06db8b5a625b6d041ba75d39e7a764483e3 /include/configs/qemu-riscv.h | |
| parent | afb301295363391f588f37696c27795cd7c0ffc4 (diff) | |
riscv: qemu: detect and boot the kernel passed by QEMU
QEMU embeds the location of the kernel image in the device tree. Store
this address in the environment as variable kernel_start. It is used in
the board-local distro boot command QEMU to boot the kernel with the
U-Boot device tree. The QEMU boot command is added as the first boot
target device.
Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'include/configs/qemu-riscv.h')
| -rw-r--r-- | include/configs/qemu-riscv.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/configs/qemu-riscv.h b/include/configs/qemu-riscv.h index 66d61bd896..b29d155d09 100644 --- a/include/configs/qemu-riscv.h +++ b/include/configs/qemu-riscv.h @@ -21,11 +21,21 @@ #define CONFIG_ENV_SIZE SZ_4K #define BOOT_TARGET_DEVICES(func) \ + func(QEMU, qemu, na) \ func(VIRTIO, virtio, 0) \ func(DHCP, dhcp, na) #include <config_distro_bootcmd.h> +#define BOOTENV_DEV_QEMU(devtypeu, devtypel, instance) \ + "bootcmd_qemu=" \ + "if env exists kernel_start; then " \ + "bootm ${kernel_start} - ${fdtcontroladdr};" \ + "fi;\0" + +#define BOOTENV_DEV_NAME_QEMU(devtypeu, devtypel, instance) \ + "qemu " + #define CONFIG_EXTRA_ENV_SETTINGS \ "fdt_high=0xffffffffffffffff\0" \ "initrd_high=0xffffffffffffffff\0" \ |