diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/getting_started/build-options.rst | 5 | ||||
| -rw-r--r-- | docs/plat/qemu.rst | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst index f4e8cbe95..2f44fe817 100644 --- a/docs/getting_started/build-options.rst +++ b/docs/getting_started/build-options.rst @@ -390,6 +390,11 @@ Common build options All log output up to and including the selected log level is compiled into the build. The default value is 40 in debug builds and 20 in release builds. +- ``MEASURED_BOOT``: Boolean flag to include support for the Measured Boot + feature. If this flag is enabled ``TRUSTED_BOARD_BOOT`` must be set. + This option defaults to 0 and is an experimental feature in the stage of + development. + - ``NON_TRUSTED_WORLD_KEY``: This option is used when ``GENERATE_COT=1``. It specifies the file that contains the Non-Trusted World private key in PEM format. If ``SAVE_KEYS=1``, this file name will be used to save the key. diff --git a/docs/plat/qemu.rst b/docs/plat/qemu.rst index 4ebe64b85..a4c5bec71 100644 --- a/docs/plat/qemu.rst +++ b/docs/plat/qemu.rst @@ -10,6 +10,10 @@ loop to be released by normal world via PSCI. BL2 edits the Flattened Device Tree, FDT, generated by QEMU at run-time to add a node describing PSCI and also enable methods for the CPUs. +If ``ARM_LINUX_KERNEL_AS_BL33`` is set to 1 then this FDT will be passed to BL33 +via register x0, as expected by a Linux kernel. This allows a Linux kernel image +to be booted directly as BL33 rather than using a bootloader. + An ARM64 defconfig v4.5 Linux kernel is known to boot, FDT doesn't need to be provided as it's generated by QEMU. |