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If HV relocation is enabled, either ACRN efi-stub or GRUB relocates hypervisor image above HPA 256MB, thus we put hvlog and ramoops buffer under 256MB to avoid conflict with hypervisor owned address. This patch hardcodes these addresses: 0xa00000 - 0xdfffff: 4MiB for ramoops buffer 0xe00000 - 0xffffff: 2MiB for hvlog buffer However, user can customize them to other addresses as long as it's under 256MB, available in host e820, and SOS bootarg "nokaslr" is not specified. If HV relocation is disabled, need to make sure that these buffer addresses are not between HV_RAM_START and HV_RAM_START + HV_RAM_SIZE. Tracked-On: #4760 Signed-off-by: Zide Chen <zide.chen@intel.com> Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
ACRN tools ########## The open source `Project ACRN`_ defines a device hypervisor reference stack and an architecture for running multiple software subsystems, managed securely, on a consolidated system by means of a virtual machine manager. It also defines a reference framework implementation for virtual device emulation, called the "ACRN Device Model". This folder holds the source to a number of tools that facilitate the management, debugging, profiling, and logging of multi-OS systems based on ACRN. You can find out more about Project ACRN and its set of tools on the `Project ACRN documentation`_ website. .. _`Project ACRN`: https://projectacrn.org .. _`Project ACRN documentation`: https://projectacrn.github.io/