Read each of the up/down registers only once and store in a local temporary. This refactoring makes it a bit easier to clear these registers, which is done by a follow-up patch.
Signed-off-by: Michael S. Tsirkin <[email protected]> --- src/acpi-dsdt.dsl | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/src/acpi-dsdt.dsl b/src/acpi-dsdt.dsl index 4e04c48..15201e9 100644 --- a/src/acpi-dsdt.dsl +++ b/src/acpi-dsdt.dsl @@ -487,12 +487,14 @@ DefinitionBlock ( Method(PCNF, 0) { // Local0 = iterator Store (Zero, Local0) + Store (PCIU, Local1) + Store (PCID, Local2) While (LLess(Local0, 31)) { Increment(Local0) - If (And(PCIU, ShiftLeft(1, Local0))) { + If (And(Local1, ShiftLeft(1, Local0))) { PCNT(Local0, 1) } - If (And(PCID, ShiftLeft(1, Local0))) { + If (And(Local2, ShiftLeft(1, Local0))) { PCNT(Local0, 3) } } -- 1.7.9.111.gf3fb0 _______________________________________________ SeaBIOS mailing list [email protected] http://www.seabios.org/mailman/listinfo/seabios
