diff options
| author | Roger Pau Monné <royger@FreeBSD.org> | 2014-07-23 15:53:29 +0000 |
|---|---|---|
| committer | Roger Pau Monné <royger@FreeBSD.org> | 2014-07-23 15:53:29 +0000 |
| commit | f5417a03e3e4c87d2804fda2779a74b91c479bd9 (patch) | |
| tree | 9233ce05d2733cb98fe8c182cc4d692fea521c4a /sys/amd64/acpica/acpi_wakecode.S | |
| parent | abcd8f453549d637863b3a01cda56d013acede91 (diff) | |
don't set CR4 PSE bit on amd64
Setting PSE together with PAE or in long mode just makes the PSE bit
completely ignored, so don't set it.
Sponsored by: Citrix Systems R&D
Reviewed by: kib
Notes
Notes:
svn path=/head/; revision=269017
Diffstat (limited to 'sys/amd64/acpica/acpi_wakecode.S')
| -rw-r--r-- | sys/amd64/acpica/acpi_wakecode.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/amd64/acpica/acpi_wakecode.S b/sys/amd64/acpica/acpi_wakecode.S index c4b0dcdfd502..a4c559fc8917 100644 --- a/sys/amd64/acpica/acpi_wakecode.S +++ b/sys/amd64/acpica/acpi_wakecode.S @@ -148,9 +148,9 @@ wakeup_32: mov $bootdata32 - bootgdt, %eax mov %ax, %ds - /* Turn on the PAE and PSE bits for when paging is enabled */ + /* Turn on the PAE bit for when paging is enabled */ mov %cr4, %eax - orl $(CR4_PAE | CR4_PSE), %eax + orl $CR4_PAE, %eax mov %eax, %cr4 /* |