From 997c6967b00cdd797fe787567a28a7565aafd301 Mon Sep 17 00:00:00 2001
From: Tuan Phan <tphan@ventanamicro.com>
Date: Fri, 10 Mar 2023 13:50:19 -0800
Subject: [PATCH] MdePkg/BaseCacheMaintenanceLib: RISC-V: Fix
 InvalidateInstructionCacheRange

When the range instruction cache invalidating not supported, the whole
instruction cache should be invalidated instead.

Signed-off-by: Tuan Phan <tphan@ventanamicro.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
---
 MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c b/MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c
index 67a3387ff3..9a6d57d841 100644
--- a/MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c
+++ b/MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c
@@ -76,7 +76,12 @@ InvalidateInstructionCacheRange (
   IN UINTN  Length
   )
 {
-  DEBUG ((DEBUG_ERROR, "%a:RISC-V unsupported function.\n", __FUNCTION__));
+  DEBUG (
+    (DEBUG_WARN,
+     "%a:RISC-V unsupported function.\n"
+     "Invalidating the whole instruction cache instead.\n", __func__)
+    );
+  InvalidateInstructionCache ();
   return Address;
 }