Re: [Xen-devel] [PATCH v3 05/17] libxl/arm: Generate static ACPI DSDT table

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Jul 05, 2016 at 11:12:35AM +0800, Shannon Zhao wrote:
> From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
> 
> It uses static DSDT table like the way x86 uses. Currently the DSDT
> table only contains processor device objects and it generates the
> maximal objects which so far is 128.
> 
> Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
> ---
>  tools/libacpi/Makefile        | 15 ++++++++++++-
>  tools/libacpi/mk_dsdt.c       | 51 
> ++++++++++++++++++++++++++++++++-----------
>  tools/libxl/Makefile          |  5 ++++-
>  tools/libxl/libxl_arm_acpi.c  |  5 +++++
>  xen/include/public/arch-arm.h |  3 +++
>  5 files changed, 64 insertions(+), 15 deletions(-)
> 
> diff --git a/tools/libacpi/Makefile b/tools/libacpi/Makefile
> index 4068d9a..0401810 100644
> --- a/tools/libacpi/Makefile
> +++ b/tools/libacpi/Makefile
> @@ -22,6 +22,7 @@ MK_DSDT = $(ACPI_BUILD_DIR)/mk_dsdt
>  # Sources to be generated
>  C_SRC = $(ACPI_BUILD_DIR)/dsdt_anycpu.c $(ACPI_BUILD_DIR)/dsdt_15cpu.c 
>  C_SRC += $(ACPI_BUILD_DIR)/dsdt_anycpu_qemu_xen.c 
> $(ACPI_BUILD_DIR)/dsdt_pvh.c
> +C_SRC += $(ACPI_BUILD_DIR)/dsdt_anycpu_arm.c
>  H_SRC = $(ACPI_BUILD_DIR)/ssdt_s3.h $(ACPI_BUILD_DIR)/ssdt_s4.h 
> $(ACPI_BUILD_DIR)/ssdt_pm.h $(ACPI_BUILD_DIR)/ssdt_tpm.h
>  
>  vpath iasl $(PATH)
> @@ -35,7 +36,7 @@ $(H_SRC): $(ACPI_BUILD_DIR)/%.h: %.asl iasl
>       cd $(CURDIR)
>  
>  $(MK_DSDT): mk_dsdt.c
> -     $(HOSTCC) $(HOSTCFLAGS) $(CFLAGS_xeninclude) -o $@ mk_dsdt.c
> +     $(HOSTCC) $(HOSTCFLAGS) $(CFLAGS_xeninclude) -D__XEN_TOOLS__ -o $@ 
> mk_dsdt.c

Why is this needed? Which unstable hypervisor interface you need in
order to build this?

Wei.

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