ArmPkg: update InvalidateInstructionCacheRange to flush only to PoU

[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 c530d19e897e3548fe28d3461d610c82f6cd268e..db21f73f0ed7ee3b8740cf1abd69325235228aff 100644 (file)
--- a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
+++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
@@ -22,6 +22,7 @@
 GCC_ASM_EXPORT (ArmInvalidateInstructionCache)\r
 GCC_ASM_EXPORT (ArmInvalidateDataCacheEntryByMVA)\r
 GCC_ASM_EXPORT (ArmCleanDataCacheEntryByMVA)\r
+GCC_ASM_EXPORT (ArmCleanDataCacheEntryToPoUByMVA)\r
 GCC_ASM_EXPORT (ArmCleanInvalidateDataCacheEntryByMVA)\r
 GCC_ASM_EXPORT (ArmInvalidateDataCacheEntryBySetWay)\r
 GCC_ASM_EXPORT (ArmCleanDataCacheEntryBySetWay)\r
@@ -72,6 +73,11 @@ ASM_PFX(ArmCleanDataCacheEntryByMVA):
   ret\r
 \r
 \r
+ASM_PFX(ArmCleanDataCacheEntryToPoUByMVA):\r
+  dc      cvau, x0    // Clean single data cache line to PoU\r
+  ret\r
+\r
+\r
 ASM_PFX(ArmCleanInvalidateDataCacheEntryByMVA):\r
   dc      civac, x0   // Clean and invalidate single data cache line\r
   ret\r