diff options
| author | jkim <jkim@FreeBSD.org> | 2012-07-11 16:51:47 +0000 |
|---|---|---|
| committer | jkim <jkim@FreeBSD.org> | 2012-07-11 16:51:47 +0000 |
| commit | dbd90a99cde8c4a942a41f095faa72f479694173 (patch) | |
| tree | adad4747b5f7a0166c805c0a7a6bdd4c884aa24b /source/components/hardware/hwxfsleep.c | |
| parent | bed871bb76b9fc47b3a3595700ef242f22f33ea4 (diff) | |
| download | FreeBSD-src-dbd90a99cde8c4a942a41f095faa72f479694173.zip FreeBSD-src-dbd90a99cde8c4a942a41f095faa72f479694173.tar.gz | |
Import ACPICA 20120711.
Diffstat (limited to 'source/components/hardware/hwxfsleep.c')
| -rw-r--r-- | source/components/hardware/hwxfsleep.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/source/components/hardware/hwxfsleep.c b/source/components/hardware/hwxfsleep.c index b7cbbc8..caa51a8 100644 --- a/source/components/hardware/hwxfsleep.c +++ b/source/components/hardware/hwxfsleep.c @@ -101,6 +101,14 @@ AcpiSetFirmwareWakingVector ( ACPI_FUNCTION_TRACE (AcpiSetFirmwareWakingVector); + /* + * According to the ACPI specification 2.0c and later, the 64-bit + * waking vector should be cleared and the 32-bit waking vector should + * be used, unless we want the wake-up code to be called by the BIOS in + * Protected Mode. Some systems (for example HP dv5-1004nr) are known + * to fail to resume if the 64-bit vector is used. + */ + /* Set the 32-bit vector */ AcpiGbl_FACS->FirmwareWakingVector = PhysicalAddress; |
