ArmVirtPkg/ArmPlatformLibQemu: Disabled EL2&0 translation regime

to fix Windows 10 boot.
2025-02-27 11:52:16 +03:00 · 2025-02-27 11:52:16 +03:00 · 8e7ca84336
parent cf7183bed3
commit 8e7ca84336
1 changed files with 4 additions and 1 deletions
--- a/ArmVirtPkg/Library/ArmPlatformLibQemu/AArch64/ArmPlatformHelper.S
+++ b/ArmVirtPkg/Library/ArmPlatformLibQemu/AArch64/ArmPlatformHelper.S
@ -66,11 +66,14 @@ ASM_FUNC(ArmPlatformPeiBootAction)
  tst    x0, #ID_AA64MMFR1_VH_MASK
  b.eq   0f

+/*
+ * Do not enable EL2&0 translation regime, as it breaks Windows 10 boot.
+ *
  mrs    x0, hcr_el2             // Enable VHE support
  orr    x0, x0, #HCR_EL2_E2H
  msr    hcr_el2, x0
  isb
-
+*/
 .Learly_idmap:
  mov_i  x0, mairval
  mov_i  x1, tcrval