ArmLib: remove ArmReplaceLiveTranslationEntry() implementation

[mirror_edk2.git] / ArmPkg / Library / ArmLib / AArch64 / AArch64Support.S

diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
index 9441f47e30bae46332ae4a7c3de171ddac753e0b..5cef98fd42a0c3a9528382dd096855ced2340567 100644 (file)
--- a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
+++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
@@ -488,64 +488,4 @@ ASM_PFX(ArmReadCurrentEL):
   mrs   x0, CurrentEL\r
   ret\r
 \r
-\r
-  .macro __replace_entry, el\r
-\r
-  // disable the MMU\r
-  mrs   x8, sctlr_el\el\r
-  bic   x9, x8, #CTRL_M_BIT\r
-  msr   sctlr_el\el, x9\r
-  isb\r
-\r
-  // write updated entry\r
-  str   x1, [x0]\r
-\r
-  // invalidate again to get rid of stale clean cachelines that may\r
-  // have been filled speculatively since the last invalidate\r
-  dmb   sy\r
-  dc    ivac, x0\r
-\r
-  // flush the TLBs\r
-  .if   \el == 1\r
-  tlbi  vmalle1\r
-  .else\r
-  tlbi  alle\el\r
-  .endif\r
-  dsb   sy\r
-\r
-  // re-enable the MMU\r
-  msr   sctlr_el\el, x8\r
-  isb\r
-  .endm\r
-\r
-//VOID\r
-//ArmReplaceLiveTranslationEntry (\r
-//  IN  UINT64  *Entry,\r
-//  IN  UINT64  Value\r
-//  )\r
-ASM_PFX(ArmReplaceLiveTranslationEntry):\r
-\r
-  // disable interrupts\r
-  mrs   x2, daif\r
-  msr   daifset, #0xf\r
-  isb\r
-\r
-  // clean and invalidate first so that we don't clobber\r
-  // adjacent entries that are dirty in the caches\r
-  dc    civac, x0\r
-  dsb   ish\r
-\r
-  EL1_OR_EL2_OR_EL3(x3)\r
-1:__replace_entry 1\r
-  b     4f\r
-2:__replace_entry 2\r
-  b     4f\r
-3:__replace_entry 3\r
-\r
-4:msr   daif, x2\r
-  ret\r
-\r
-ASM_PFX(ArmReplaceLiveTranslationEntrySize):\r
-  .long   . - ArmReplaceLiveTranslationEntry\r
-\r
 ASM_FUNCTION_REMOVE_IF_UNREFERENCED\r