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https://github.com/AsahiLinux/u-boot
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70fe287635
OP-TEE is an open source trusted OS, in armv7, its loading and
running are like this:
loading:
- SPL load both OP-TEE and U-Boot
running:
- SPL run into OP-TEE in secure mode;
- OP-TEE run into U-Boot in non-secure mode;
To make code simple, it would be fine to use IH_OS_TEE for the
os tyle in TPL(just like IH_OS_LINUX is using both in SPL and U-Boot).
Here is the diagram for SPL loading OP-TEE,
IH_OS_TEE:(make u-boot.itb for SPL)
Non-Secure Secure
BootROM
|
v
SPL
|
v
--------- OP-TEE
|
v
U-Boot
|
V
Linux
For other two king of OP-TEE loading/booting, see commit message:
|
||
---|---|---|
.. | ||
Kconfig | ||
Makefile | ||
spl.c | ||
spl_atf.c | ||
spl_bootrom.c | ||
spl_dfu.c | ||
spl_ext.c | ||
spl_fat.c | ||
spl_fit.c | ||
spl_mmc.c | ||
spl_nand.c | ||
spl_net.c | ||
spl_nor.c | ||
spl_onenand.c | ||
spl_optee.S | ||
spl_ram.c | ||
spl_sata.c | ||
spl_sdp.c | ||
spl_spi.c | ||
spl_ubi.c | ||
spl_usb.c | ||
spl_xip.c | ||
spl_ymodem.c |