Gabe Black has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/55805 )
Change subject: dev,arch-x86: Make the I8042 reset settings more realistic.
......................................................................
dev,arch-x86: Make the I8042 reset settings more realistic.
When powered on, the "passed self test" bit should not be set. It should
only be set once the I8042 has actually been told to do a self test.
Also the mouse and keyboard should be disabled. With them disabled their
interrupts won't matter, but we might as well leave those disabled as
well.
Change-Id: Ief1ab30365a0a8ea0a116e52c16dcccf441515ec
---
M src/dev/x86/i8042.cc
1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/src/dev/x86/i8042.cc b/src/dev/x86/i8042.cc
index 7aed0ee..268d090 100644
--- a/src/dev/x86/i8042.cc
+++ b/src/dev/x86/i8042.cc
@@ -55,13 +55,11 @@
fatal_if(!mouse, "The i8042 model requires a mouse instance");
fatal_if(!keyboard, "The i8042 model requires a keyboard instance");
- statusReg.passedSelfTest = 1;
- statusReg.commandLast = 1;
statusReg.keyboardUnlocked = 1;
commandByte.convertScanCodes = 1;
- commandByte.passedSelfTest = 1;
- commandByte.keyboardFullInt = 1;
+ commandByte.disableMouse = 1;
+ commandByte.disableKeyboard = 1;
for (int i = 0; i < p.port_keyboard_int_pin_connection_count; i++) {
keyboardIntPin.push_back(new IntSourcePin<I8042>(
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ief1ab30365a0a8ea0a116e52c16dcccf441515ec
Gerrit-Change-Number: 55805
Gerrit-PatchSet: 1
Gerrit-Owner: Gabe Black <gabe.bl...@gmail.com>
Gerrit-MessageType: newchange
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