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Zero-initialize register before bitfield assignment
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This commit is contained in:
Aiken Harris
2026-05-06 19:58:17 +02:00
parent 8107692d83
commit c5b0d15830
1 changed files with 2 additions and 0 deletions
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2
xtoskrnl/hl/x86/pic.cc
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@@ -48,6 +48,7 @@ HL::Pic::AllocateSystemInterrupt(IN UCHAR Irq,
} }
/* Model a logical connection */ /* Model a logical connection */
Register.LongLong = 0;
Register.DeliveryMode = APIC_DM_FIXED; Register.DeliveryMode = APIC_DM_FIXED;
Register.DeliveryStatus = 0; Register.DeliveryStatus = 0;
Register.Destination = HL::Pic::ReadApicRegister(APIC_ID) >> 24; Register.Destination = HL::Pic::ReadApicRegister(APIC_ID) >> 24;
@@ -502,6 +503,7 @@ HL::Pic::InitializeIOApic(VOID)
Controllers[ControllerIndex].LineCount = ((VersionRegister >> 16) & 0xFF) + 1; Controllers[ControllerIndex].LineCount = ((VersionRegister >> 16) & 0xFF) + 1;
/* Set up the default redirection entry for this controller */ /* Set up the default redirection entry for this controller */
Register.LongLong = 0;
Register.DeliveryMode = APIC_DM_FIXED; Register.DeliveryMode = APIC_DM_FIXED;
Register.DeliveryStatus = 0; Register.DeliveryStatus = 0;
Register.Destination = ReadIOApicRegister(&Controllers[ControllerIndex], IOAPIC_ID) >> 24; Register.Destination = ReadIOApicRegister(&Controllers[ControllerIndex], IOAPIC_ID) >> 24;