Hi Julien, On 2016/4/6 19:32, Julien Grall wrote: > Hi Shannon, > > On 01/04/2016 16:48, Shannon Zhao wrote: >> This patch set adds ACPI support for Xen Dom0 on ARM64. The relevant Xen >> ACPI on ARM64 design document could be found from [1]. >> >> This patch set adds a new FDT node "uefi" under /hypervisor to pass UEFI >> information. Introduce a bus notifier of AMBA and Platform bus to map >> the new added device's MMIO space. Make Xen domain use >> xlated_setup_gnttab_pages to setup grant table and a new hypercall to >> get event-channel irq. >> >> Regarding the initialization flow of Linux kernel, it needs to move >> xen_early_init() before efi_init(). Then xen_early_init() will check >> whether it runs on Xen through the /hypervisor node and efi_init() will >> call a new function fdt_find_xen_uefi_params(), to parse those >> xen,uefi-* parameters just like the existing efi_get_fdt_params(). >> >> And in arm64_enable_runtime_services() it will check whether it runs on >> Xen and call another new function xen_efi_runtime_setup() to setup >> runtime service instead of efi_native_runtime_setup(). The >> xen_efi_runtime_setup() will assign the runtime function pointers with >> the functions of driver/xen/efi.c. >> >> And since we pass a /hypervisor node and a /chosen node to Dom0, it >> needs to check whether the DTS only contains a /hypervisor node and a >> /chosen node in acpi_boot_table_init(). >> >> Patches are tested on FVP base model. They can be fetched from[2]. > > I have tested this series and Linux is booting up to the prompt: > > Tested-by: Julien Grall <julien.grall@xxxxxxx> Thanks a lot. There are several patches which you didn't give your comments. So I assume you will review them. If so, I'll wait and update this series later. Thanks, -- Shannon -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
