I'll put it in. Bob >-----Original Message----- >From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi- >owner@xxxxxxxxxxxxxxx] On Behalf Of Len Brown >Sent: Tuesday, February 03, 2009 3:18 PM >To: devel@xxxxxxxxxxxxxxxx >Cc: linux-acpi@xxxxxxxxxxxxxxx >Subject: [PATCH] ACPICA: add debug dump of BIOS _OSI strings > >Bob, >I'd like to make this minor change to the (linuxized) ACPICA code, >for it can tell us a little about the BIOS w/o having the user >go to the trouble to dump the tables etc. > >If you made this change in the upstream ACPICA code, >then that would be dandy. > >thanks, >-Len > >From 3e0676a9b699d12b2bd0a8807459ac4277b181fc Mon Sep 17 00:00:00 2001 >From: Len Brown <len.brown@xxxxxxxxx> >Date: Tue, 3 Feb 2009 18:04:39 -0500 >Subject: [PATCH] ACPICA: add debug dump of BIOS _OSI strings >Organization: Intel Open Source Technology Center > >on boot, print out the OSI strings the BIOS uses to query the OS. > >To see this output... > >build with CONFIG_ACPI_DEBUG > >boot with >"acpi.debug_level=4" (ACPI_LV_INFO) (enabled by default) >and >"acpi.debug_level=1" (ACPI_UTILITIES) (default is 0) > >example output: > >ACPI: BIOS _OSI(Windows 2001) supported >ACPI: BIOS _OSI(Windows 2001 SP1) supported >ACPI: BIOS _OSI(Windows 2001 SP2) supported >ACPI: BIOS _OSI(Windows 2006) supported >ACPI: BIOS _OSI(Linux) not-supported >ACPI: BIOS _OSI(FreeBSD) not-supported > >Signed-off-by: Len Brown <len.brown@xxxxxxxxx> >--- > drivers/acpi/acpica/uteval.c | 21 +++++++++------------ > 1 files changed, 9 insertions(+), 12 deletions(-) > >diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c >index da9450b..9c9897d 100644 >--- a/drivers/acpi/acpica/uteval.c >+++ b/drivers/acpi/acpica/uteval.c >@@ -116,9 +116,9 @@ acpi_status acpi_ut_osi_implementation(struct >acpi_walk_state *walk_state) > return_ACPI_STATUS(AE_NO_MEMORY); > } > >- /* Default return value is SUPPORTED */ >+ /* Default return value is 0, NOT-SUPPORTED */ > >- return_desc->integer.value = ACPI_UINT32_MAX; >+ return_desc->integer.value = 0; > walk_state->return_desc = return_desc; > > /* Compare input string to static table of supported interfaces */ >@@ -127,10 +127,8 @@ acpi_status acpi_ut_osi_implementation(struct >acpi_walk_state *walk_state) > if (!ACPI_STRCMP > (string_desc->string.pointer, > acpi_interfaces_supported[i])) { >- >- /* The interface is supported */ >- >- return_ACPI_STATUS(AE_OK); >+ return_desc->integer.value = ACPI_UINT32_MAX; >+ goto done; > } > } > >@@ -141,15 +139,14 @@ acpi_status acpi_ut_osi_implementation(struct >acpi_walk_state *walk_state) > */ > status = acpi_os_validate_interface(string_desc->string.pointer); > if (ACPI_SUCCESS(status)) { >- >- /* The interface is supported */ >- >- return_ACPI_STATUS(AE_OK); >+ return_desc->integer.value = ACPI_UINT32_MAX; > } > >- /* The interface is not supported */ >+done: >+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INFO, "ACPI: BIOS _OSI(%s) >%ssupported\n", >+ string_desc->string.pointer, >+ return_desc->integer.value == 0 ? "not-" : "")); > >- return_desc->integer.value = 0; > return_ACPI_STATUS(AE_OK); > } > >-- >1.6.1.2.319.gbd9e > >-- >To unsubscribe from this list: send the line "unsubscribe linux-acpi" in >the body of a message to majordomo@xxxxxxxxxxxxxxx >More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
