Gabe Black has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/55451 )
Change subject: arch-x86: In the LVT in the local APIC, start with all
entries masked.
......................................................................
arch-x86: In the LVT in the local APIC, start with all entries masked.
This is what the APIC is supposed to look like when coming out of reset.
Change-Id: Ia9b6e13533692109849e729d9ad3b358f36e2e47
---
M src/arch/x86/interrupts.cc
1 file changed, 24 insertions(+), 0 deletions(-)
diff --git a/src/arch/x86/interrupts.cc b/src/arch/x86/interrupts.cc
index 80ed3a6..8499bfb 100644
--- a/src/arch/x86/interrupts.cc
+++ b/src/arch/x86/interrupts.cc
@@ -616,6 +616,19 @@
ISRV = 0;
IRRV = 0;
+ // At reset, all LVT entries start out zeroed, except for their mask
bit.
+ LVTEntry masked = 0;
+ masked.masked = 1;
+
+ regs[APIC_LVT_TIMER] = masked;
+ regs[APIC_LVT_THERMAL_SENSOR] = masked;
+ regs[APIC_LVT_PERFORMANCE_MONITORING_COUNTERS] = masked;
+ regs[APIC_LVT_LINT0] = masked;
+ regs[APIC_LVT_LINT1] = masked;
+ regs[APIC_LVT_ERROR] = masked;
+
+ regs[APIC_SPURIOUS_INTERRUPT_VECTOR] = 0xff;
+
regs[APIC_VERSION] = (5 << 16) | 0x14;
}
--
To view, visit https://gem5-review.googlesource.com/c/public/gem5/+/55451
To unsubscribe, or for help writing mail filters, visit
https://gem5-review.googlesource.com/settings
Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ia9b6e13533692109849e729d9ad3b358f36e2e47
Gerrit-Change-Number: 55451
Gerrit-PatchSet: 1
Gerrit-Owner: Gabe Black <gabe.bl...@gmail.com>
Gerrit-MessageType: newchange
_______________________________________________
gem5-dev mailing list -- gem5-dev@gem5.org
To unsubscribe send an email to gem5-dev-le...@gem5.org
%(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
