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kern: plutoo is an intellectual, I am a fool, fix chicanery

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Michael Scire 2025-04-30 22:33:40 -07:00 • committed by SciresM
parent 4580a352c0
commit b1ca5b4049
1 changed files with 8 additions and 2 deletions
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10
libraries/libmesosphere/source/arch/arm64/kern_exception_handlers.cpp
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@ -115,7 +115,10 @@ namespace ams::kern::arch::arm64 {
u64 far = raw_far;
const u64 ec = (esr >> 26) & 0x3F;
if (ec == EsrEc_InstructionAbortEl0 || ec == EsrEc_DataAbortEl0) {
/* Adjust registers if a memory tagging exception has occurred. */
/* Adjust registers if a synchronous external abort has occurred with far not valid. */
/* Mask 0x03F = Low 6 bits IFSC == 0x10: "Synchronous External abort, */
/* not on translation table walk or hardware update of translation table. */
/* Mask 0x400 = FnV = "FAR Not Valid" */
/* TODO: How would we perform this check using named register accesses? */
if ((esr & 0x43F) == 0x410) {
/* Clear the faulting register on memory tagging exception. */
@ -450,7 +453,10 @@ namespace ams::kern::arch::arm64 {
/* Pre-process exception registers as needed. */
const u64 ec = (esr >> 26) & 0x3F;
if (ec == EsrEc_InstructionAbortEl0 || ec == EsrEc_DataAbortEl0) {
/* Adjust registers if a memory tagging exception has occurred. */
/* Adjust registers if a synchronous external abort has occurred with far not valid. */
/* Mask 0x03F = Low 6 bits IFSC == 0x10: "Synchronous External abort, */
/* not on translation table walk or hardware update of translation table. */
/* Mask 0x400 = FnV = "FAR Not Valid" */
/* TODO: How would we perform this check using named register accesses? */
if ((esr & 0x43F) == 0x410) {
/* Clear the faulting register on memory tagging exception. */