One thing to bear mind.  This patch will not build cleanly because the uboot 
version has moved on and the forked repo is not up to date with the latest 
changes that meta to requires.
> On Jun 11, 2023, at 14:55, Ryan Eatmon via lists.yoctoproject.org 
> <[email protected]> wrote:
> 
> From: Paresh Bhagat <[email protected]>
> 
> There are some features that will either never be accepted into the
> upstream kernel, or are not ready to be accepted.  ti-extras allows for
> controlling the kernel and u-boot repos, breanches, and srcrevs to gain
> access to those features via the TI_EXTRAS variable in the local.conf
> file.
> 
> Initial support for TI_EXTRAS=tie-jailhouse is being added by this
> patch.
> 
> Signed-off-by: Paresh Bhagat <[email protected]>
> Signed-off-by: Ryan Eatmon <[email protected]>
> ---
> 
> RFC
> 
> This is a pass at reworking the logic for adding support for jailhouse
> behind a more extensible TI_EXTRAS system.  Please comment on it.
> 
> 
> 
> 
> meta-ti-bsp/conf/machine/am62xx-evm-k3r5.conf      |  1 +
> meta-ti-bsp/conf/machine/am62xx-evm.conf           |  1 +
> meta-ti-bsp/conf/machine/include/ti-extras.inc     |  5 +++++
> meta-ti-bsp/recipes-bsp/u-boot/ti-extras.inc       | 11 +++++++++++
> .../u-boot/u-boot-ti-staging_2023.04.bb            |  2 ++
> meta-ti-bsp/recipes-bsp/u-boot/u-boot-ti.inc       |  2 +-
> .../recipes-kernel/linux/linux-ti-staging_6.1.bb   |  7 ++++---
> meta-ti-bsp/recipes-kernel/linux/ti-extras.inc     | 14 ++++++++++++++
> .../recipes-ti/jailhouse/jailhouse_git.bb          |  2 ++
> 9 files changed, 41 insertions(+), 4 deletions(-)
> create mode 100644 meta-ti-bsp/conf/machine/include/ti-extras.inc
> create mode 100644 meta-ti-bsp/recipes-bsp/u-boot/ti-extras.inc
> create mode 100644 meta-ti-bsp/recipes-kernel/linux/ti-extras.inc
> 
> diff --git a/meta-ti-bsp/conf/machine/am62xx-evm-k3r5.conf 
> b/meta-ti-bsp/conf/machine/am62xx-evm-k3r5.conf
> index 9889ae38..548369ca 100644
> --- a/meta-ti-bsp/conf/machine/am62xx-evm-k3r5.conf
> +++ b/meta-ti-bsp/conf/machine/am62xx-evm-k3r5.conf
> @@ -3,6 +3,7 @@
> #@DESCRIPTION: Machine configuration for the TI AM62xx EVM (R5F core)
> 
> require conf/machine/include/k3r5.inc
> +require conf/machine/include/ti-extras.inc
> 
> SYSFW_SOC = "am62x"
> SYSFW_CONFIG = "evm"
> diff --git a/meta-ti-bsp/conf/machine/am62xx-evm.conf 
> b/meta-ti-bsp/conf/machine/am62xx-evm.conf
> index c4357be3..082a1ae7 100644
> --- a/meta-ti-bsp/conf/machine/am62xx-evm.conf
> +++ b/meta-ti-bsp/conf/machine/am62xx-evm.conf
> @@ -3,6 +3,7 @@
> #@DESCRIPTION: Machine configuration for the TI AM62XX EVM
> 
> require conf/machine/include/am62xx.inc
> +require conf/machine/include/ti-extras.inc
> 
> KERNEL_DEVICETREE_PREFIX = "ti/k3-am625"
> 
> diff --git a/meta-ti-bsp/conf/machine/include/ti-extras.inc 
> b/meta-ti-bsp/conf/machine/include/ti-extras.inc
> new file mode 100644
> index 00000000..59eef952
> --- /dev/null
> +++ b/meta-ti-bsp/conf/machine/include/ti-extras.inc
> @@ -0,0 +1,5 @@
> +# Add TI_EXTRAS to machine overrides so we get access to e.g. 'jailhouse'
> +
> +TI_EXTRAS ??= ""
> +MACHINEOVERRIDES =. "${@['', '${TI_EXTRAS}:']['${TI_EXTRAS}' != '']}"
> +
> diff --git a/meta-ti-bsp/recipes-bsp/u-boot/ti-extras.inc 
> b/meta-ti-bsp/recipes-bsp/u-boot/ti-extras.inc
> new file mode 100644
> index 00000000..e5e1cc10
> --- /dev/null
> +++ b/meta-ti-bsp/recipes-bsp/u-boot/ti-extras.inc
> @@ -0,0 +1,11 @@
> +
> +# This will have priority over generic uboot path
> +
> +BRANCH = "ti-u-boot-2023.04"
> +BRANCH:tie-jailhouse = "ti-u-boot-2023.04-jailhouse"
> +
> +SRCREV = "010afc1fe7a1412f92363c8af69c848d76a53e42"
> +SRCREV:tie-jailhouse = "79615e1c99b9aa73948f811f5f866cff2e34dc37"
> +
> +UBOOT_GIT_URI = "git://git.ti.com/git/processor-sdk/u-boot.git"
> +
> diff --git a/meta-ti-bsp/recipes-bsp/u-boot/u-boot-ti-staging_2023.04.bb 
> b/meta-ti-bsp/recipes-bsp/u-boot/u-boot-ti-staging_2023.04.bb
> index f4c5e88c..4bde0256 100644
> --- a/meta-ti-bsp/recipes-bsp/u-boot/u-boot-ti-staging_2023.04.bb
> +++ b/meta-ti-bsp/recipes-bsp/u-boot/u-boot-ti-staging_2023.04.bb
> @@ -1,5 +1,7 @@
> require u-boot-ti.inc
> 
> +include ${@ 'recipes-bsp/u-boot/ti-extras.inc' if d.getVar('TI_EXTRAS') else 
> ''}
> +
> LIC_FILES_CHKSUM = 
> "file://Licenses/README;md5=2ca5f2c35c8cc335f0a19756634782f1"
> 
> PR = "r0"
> diff --git a/meta-ti-bsp/recipes-bsp/u-boot/u-boot-ti.inc 
> b/meta-ti-bsp/recipes-bsp/u-boot/u-boot-ti.inc
> index f29b089e..f3285c23 100644
> --- a/meta-ti-bsp/recipes-bsp/u-boot/u-boot-ti.inc
> +++ b/meta-ti-bsp/recipes-bsp/u-boot/u-boot-ti.inc
> @@ -16,7 +16,7 @@ LICENSE = "GPL-2.0-or-later"
> LIC_FILES_CHKSUM = 
> "file://Licenses/README;md5=30503fd321432fc713238f582193b78e"
> 
> BRANCH ?= "master"
> -UBOOT_GIT_URI = "git://git.ti.com/git/ti-u-boot/ti-u-boot.git"
> +UBOOT_GIT_URI ?= "git://git.ti.com/git/ti-u-boot/ti-u-boot.git"
> UBOOT_GIT_PROTOCOL = "https"
> SRC_URI = "${UBOOT_GIT_URI};protocol=${UBOOT_GIT_PROTOCOL};branch=${BRANCH}"
> 
> diff --git a/meta-ti-bsp/recipes-kernel/linux/linux-ti-staging_6.1.bb 
> b/meta-ti-bsp/recipes-kernel/linux/linux-ti-staging_6.1.bb
> index 0b36575b..2b84b6b5 100644
> --- a/meta-ti-bsp/recipes-kernel/linux/linux-ti-staging_6.1.bb
> +++ b/meta-ti-bsp/recipes-kernel/linux/linux-ti-staging_6.1.bb
> @@ -9,6 +9,7 @@ require recipes-kernel/linux/setup-defconfig.inc
> require recipes-kernel/linux/kernel-rdepends.inc
> require recipes-kernel/linux/ti-kernel.inc
> include ${@ 'recipes-kernel/linux/ti-kernel-devicetree-prefix.inc' if 
> d.getVar('KERNEL_DEVICETREE_PREFIX') else ''}
> +include ${@ 'recipes-kernel/linux/ti-extras.inc' if d.getVar('TI_EXTRAS') 
> else ''}
> 
> DEPENDS += "gmp-native libmpc-native"
> 
> @@ -20,16 +21,16 @@ KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT} \
> 
> S = "${WORKDIR}/git"
> 
> -BRANCH = "ti-linux-6.1.y"
> +BRANCH ?= "ti-linux-6.1.y"
> 
> -SRCREV = "7124dee9779a40c52c52331c3ba6ccc84f357380"
> +SRCREV ?= "7124dee9779a40c52c52331c3ba6ccc84f357380"
> PV = "6.1.26+git${SRCPV}"
> 
> # Append to the MACHINE_KERNEL_PR so that a new SRCREV will cause a rebuild
> MACHINE_KERNEL_PR:append = "b"
> PR = "${MACHINE_KERNEL_PR}"
> 
> -KERNEL_GIT_URI = "git://git.ti.com/git/ti-linux-kernel/ti-linux-kernel.git"
> +KERNEL_GIT_URI ??= "git://git.ti.com/git/ti-linux-kernel/ti-linux-kernel.git"
> KERNEL_GIT_PROTOCOL = "https"
> SRC_URI += 
> "${KERNEL_GIT_URI};protocol=${KERNEL_GIT_PROTOCOL};branch=${BRANCH} \
>             file://defconfig"
> diff --git a/meta-ti-bsp/recipes-kernel/linux/ti-extras.inc 
> b/meta-ti-bsp/recipes-kernel/linux/ti-extras.inc
> new file mode 100644
> index 00000000..f9fdd57a
> --- /dev/null
> +++ b/meta-ti-bsp/recipes-kernel/linux/ti-extras.inc
> @@ -0,0 +1,14 @@
> +
> +# Use different commit, repo and branch for TI extras build
> +# This will have priority over generic rt path
> +
> +COMPATIBLE_MACHINE = "am62xx-evm"
> +
> +BRANCH = "ti-linux-6.1.y"
> +BRANCH:tie-jailhouse = "ti-linux-6.1.y-jailhouse"
> +
> +SRCREV = "30bcc25e7cb1b25667db88d61828728f0f0b5f4b"
> +SRCREV:tie-jailhouse = "0ed0dec2462b805b0188fe080895adc437871549"
> +
> +KERNEL_GIT_URI = "git://git.ti.com/git/processor-sdk/linux.git"
> +
> diff --git a/meta-ti-extras/recipes-ti/jailhouse/jailhouse_git.bb 
> b/meta-ti-extras/recipes-ti/jailhouse/jailhouse_git.bb
> index 05cc21b3..eb4a98f7 100644
> --- a/meta-ti-extras/recipes-ti/jailhouse/jailhouse_git.bb
> +++ b/meta-ti-extras/recipes-ti/jailhouse/jailhouse_git.bb
> @@ -10,6 +10,8 @@ LIC_FILES_CHKSUM = " \
>     file://COPYING;md5=9fa7f895f96bde2d47fd5b7d95b6ba4d \
> "
> 
> +COMPATIBLE_MACHINE = "am62xx-evm"
> +
> TARGET_CC_ARCH += "${LDFLAGS}"
> 
> PV = "0.12+git${SRCPV}"
> -- 
> 2.17.1
> 
> 
> 
> 
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