[syslinux] [RESEND][RFC GIT PATCHES] acpioff: COM32 module to shut off machine using ACPI

[Paulo Alcantara]

Hi Andy,

On Tue, Mar 06, 2012 at 04:20:04PM -0500, Andy Walls wrote:
> [resending again, cutting out git pull-request output to make message smaller]
> 
> Hi all,
> 
> I have written a COM32 module called "acpioff", that, not surprisingly,
> powers off a machine using ACPI.  I have tested it only using pxelinux.0
> with a SeaBIOS/Qemu virtual machine.
> 

I'm just wondering how useful is having a COMBOOT32 module to power off a
machine using ACPI.

> Since the changeset pulls in a "Linux-ized" version of the open source
> ACPI Component Architecture, it was too big to post as a patches to the
> list.  See the git pull-request output below.  My github tree is from a
> clone of the git.kernel.org syslinux git tree. 
> 

The Syslinux tree on git.kernel.org is out to date, hence you should work
against the tree on git.zytor.com (with git HEAD d05647).

> I have two questions which I would like answered, since I don't like to
> maintain things out of tree:
> 
> a) Is there any possibilty that this could be included in the official
> syslinux source tree?
> 
> b) If so, what changes do I need to make to the patch for it to be
> accepted?
> 
> 
> Note that this COM32 module implements a single-threaded instantiation
> of the ACPICA for itself that ignores the SCI interrupt.  The acpioff.c
> program using the syslinux COM32 library act as the "OS" for the ACPICA
> instantiation.
> 
> The changeset is very large due to the ACPICA, but the following files
> are what really matter for review purposes:
> 
>     	Program:
> 	com32/acpioff/acpioff.c
> 	com32/Makefile
> 	
> 	Platform/enviroment specific customization required for
> 	single-threaded ACPI instantiation for COM32:
> 	com32/acpioff/acpica_linuxized/README
> 	com32/acpioff/osl.h
> 	com32/acpioff/acpica_linuxized/drivers/acpi/osl.c
> 	com32/acpioff/acpica_linuxized/include/acpi/platform/accom32.h
> 	com32/acpioff/acpica_linuxized/include/acpi/platform/acenv.h
> 
> 	Fixes required to the ACPICA for available types and debugging:
> 	com32/acpioff/acpica_linuxized/drivers/acpi/acpica/acglobal.h
> 	com32/acpioff/acpica_linuxized/drivers/acpi/acpica/utaddress.c
> 	com32/acpioff/acpica_linuxized/drivers/acpi/acpica/acutils.h
> 
> Regards,
> Andy
> 
> 
> The following changes since commit c0c25b4826950162517896c5039c6d62d07115be:
> 
>   hdt: Adding postexec= option (2011-12-17 22:27:07 +0100)
> 
> are available in the git repository at:
> 
>   git://github.com/awalls-cx18/syslinux.git acpi_off

Update your tree.

> 
> Andy Walls (14):
>       acpioff: Add directory with basic Makefile for new acpioff com32 module
>       acpioff: Add a "Linux-ized" version of the ACPICA.org source for ACPI
>       acpioff: Add initial ACPICA config for COM32 target and build environment
>       acpica: Fix ACPI_ADDRESS_RANGE => struct acpi_address_range conversion
>       acpioff: Add first stab at the ACPICA required OSL layer
>       acpioff: Modify Makefile to compile the ACPICA and OSL
>       acpioff: Add initial version of program
>       acpioff: First version of Makefile to build both library and executable
>       acpioff: Allow the ACPICA to be built to emit verbose debugging
>       acpioff: First version that fully works with Qemu/SeaBIOS
>       acpioff: Get rid of noisy status message from ACPICA OSL
>       com32: Add building acpioff to the COM32 Makefile
>       acpioff: Add copyright and update text of README of ACPICA code pedigree
>       acpioff: Move ACPI tree dump on error to not obscure error message
> 
>  185 files changed, 87007 insertions(+), 1 deletions(-)
> 
> 
> _______________________________________________
> Syslinux mailing list
> Submissions to Syslinux at zytor.com
> Unsubscribe or set options at:
> http://www.zytor.com/mailman/listinfo/syslinux
> Please do not send private replies to mailing list traffic.

-- 
-Paulo