On 07/04/18 13:32, Breno Matheus Lima wrote:
Hi Bryan,
2018-04-02 19:42 GMT-03:00 Bryan O'Donoghue <[email protected]>:
This patch enables CONFIG_BOOTM_TEE. Once enabled its possible to
chain-load Linux through OPTEE.
Loading kernel to 0x80800000
=> run loadimage
Load FDT to 0x83000000
=> run loadfdt
Load OPTEE to 0x84000000
=> fatload mmc 0:5 0x84000000 /lib/firmware/uTee.optee
Then chain-load to the kernel via OPTEE
=> bootm 0x84000000 - 0x83000000
Image Name:
Image Type: ARM Trusted Execution Environment Kernel Image (uncompressed)
Data Size: 249844 Bytes = 244 KiB
Load Address: 9dffffe4
Entry Point: 9e000000
Verifying Checksum ... OK
Loading Kernel Image ... OK
I'm seeing the following cache misaligned operation warning in my
environment, did I miss something on my OPTEE build?
=> bootm 0x84000000 - 0x83000000
## Booting kernel from Legacy Image at 84000000 ...
Image Name:
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 274844 Bytes = 268.4 KiB
Load Address: 9dffffe4
Entry Point: 9e000000
Verifying Checksum ... OK
## Flattened Device Tree blob at 83000000
Booting using the fdt blob at 0x83000000
Loading Kernel Image ... OK
CACHE: Misaligned operation at range [9dffffe4, 9e0431a4]
Using Device Tree in place at 83000000, end 830095b6
No.
I hadn't paid too much attention to this but - yeah, I'll add something
to this series to flush the range starting at (9e000000 - cache_line_size).
The alternative is to change the entry point address which requires an
OPTEE change
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