diff --git a/CHANGELOG.md b/CHANGELOG.md index c499d12dc444..674944cbe4fb 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -12,6 +12,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) - Prefer ACPI reboot over UEFI ResetSystem() run time service call. ### Added + - On Arm: + - Experimental support for Armv8-R. ### Removed - On x86: diff --git a/SUPPORT.md b/SUPPORT.md index 4f560943561c..82239d02940a 100644 --- a/SUPPORT.md +++ b/SUPPORT.md @@ -40,6 +40,7 @@ supported in this document. Status, Xen in AArch64 mode: Supported Status, Xen in AArch32 mode: Tech Preview + Status, Xen in Armv8-R: Experimental Status, Cortex A57 r0p0-r1p1: Supported, not security supported Status, Cortex A77 r0p0-r1p0: Supported, not security supported diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig index 323c96736185..ed92eb67cb0d 100644 --- a/xen/arch/arm/Kconfig +++ b/xen/arch/arm/Kconfig @@ -58,10 +58,25 @@ config PADDR_BITS default 40 if ARM_PA_BITS_40 default 48 if ARM_64 +choice + prompt "Memory management system" + default MMU + help + User can choose between the different forms of memory management system. + config MMU - def_bool y + bool "MMU" select HAS_PMAP select HAS_VMAP + help + Select it if you plan to run Xen on A-profile Armv7+ + +config MPU + bool "MPU" if UNSUPPORTED + help + Memory Protection Unit (MPU). Select if you plan to run Xen on ARMv8-R + systems supporting EL2. (UNSUPPORTED) +endchoice source "arch/Kconfig" diff --git a/xen/arch/arm/platforms/Kconfig b/xen/arch/arm/platforms/Kconfig index 76f7e76b1bf4..02322c259c5a 100644 --- a/xen/arch/arm/platforms/Kconfig +++ b/xen/arch/arm/platforms/Kconfig @@ -1,5 +1,5 @@ choice - prompt "Platform Support" + prompt "Platform Support" if MMU default ALL_PLAT help Choose which hardware platform to enable in Xen.