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Use constants for CMOS port selection
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This commit is contained in:
Aiken Harris
2026-04-24 09:55:36 +02:00
parent 2dd1fdf869
commit f2baa765b4
1 changed files with 2 additions and 2 deletions
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4
xtoskrnl/hl/x86/firmware.cc
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@@ -24,7 +24,7 @@ UCHAR
HL::Firmware::ReadCmosRegister(IN UCHAR Register)
{
/* Select the register (Setting the highest bit disables NMI) */
HL::IoPort::WritePort8(CMOS_ADDRESS_PORT, Register | 0x80);
HL::IoPort::WritePort8(CMOS_SELECT_PORT, Register | CMOS_NMI_SELECT);
/* Read value from the data port */
return HL::IoPort::ReadPort8(CMOS_DATA_PORT);
@@ -49,7 +49,7 @@ HL::Firmware::WriteCmosRegister(IN UCHAR Register,
IN UCHAR Value)
{
/* Select the register (Setting the highest bit disables NMI) */
HL::IoPort::WritePort8(CMOS_ADDRESS_PORT, Register | 0x80);
HL::IoPort::WritePort8(CMOS_SELECT_PORT, Register | CMOS_NMI_SELECT);
/* Write the provided value to the data port */
HL::IoPort::WritePort8(CMOS_DATA_PORT, Value);