Date: Fri, 21 Oct 2005 09:54:57 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-acpi@freebsd.org Cc: "Moore, Robert" <robert.moore@intel.com>, Mathieu Prevot <mathieu_prevot@yahoo.fr> Subject: Re: ACPI errors on amd64 (sempron) Message-ID: <200510210954.58860.jhb@freebsd.org> In-Reply-To: <7B5FE857-16A8-4369-B577-3F3190B56840@yahoo.fr> References: <971FCB6690CD0E4898387DBF7552B90E0323D7B6@orsmsx403.amr.corp.intel.com> <7B5FE857-16A8-4369-B577-3F3190B56840@yahoo.fr>
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On Friday 21 October 2005 02:38 am, Mathieu Prevot wrote: > > I think that the generation of the OS for Amd64 needs to set this > > define: > > > > #define ACPI_MISALIGNED_TRANSFERS > > > > I will look into doing this automatically in the actypes.h header > > To confirm, the same output on the same system but with > 6.0RC1i386GENERIC: I think Robert's point is a patch like the following hack would shut up the warnings: Index: actypes.h =================================================================== RCS file: /usr/cvs/src/sys/contrib/dev/acpica/actypes.h,v retrieving revision 1.1.1.29 diff -u -r1.1.1.29 actypes.h --- actypes.h 1 Dec 2004 23:13:39 -0000 1.1.1.29 +++ actypes.h 21 Oct 2005 13:52:22 -0000 @@ -194,6 +194,9 @@ typedef UINT64 ACPI_SIZE; #define ALIGNED_ADDRESS_BOUNDARY 0x00000008 /* No hardware alignment support in IA64 */ +#ifdef __amd64__ +#define ACPI_MISALIGNED_TRANSFERS +#endif #define ACPI_USE_NATIVE_DIVIDE /* Native 64-bit integer support */ #define ACPI_MAX_PTR ACPI_UINT64_MAX #define ACPI_SIZE_MAX ACPI_UINT64_MAX The problem is that currently the actypes.h header assumes that the only 64-bit platform it runs on is IA-64, but it also runs on amd64 and amd64 allows for unaligned accesses just like i386. I'm not sure if ALIGNED_ADDRESS_BOUNDARY should be 0x4 for amd64 either, probably not though. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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