From: Helge Deller <deller@gmx.de>
Date: Wed, 13 Sep 2023 08:37:41 +0000 (+0200)
Subject: target/hppa: Allow up to 16 BTLB entries
X-Git-Tag: v8.2.0-rc0~119^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=711212ac136daa954d51b3d7e3c0df54aa3da63d;p=thirdparty%2Fqemu.git

target/hppa: Allow up to 16 BTLB entries

Reserve 16 out of the 256 TLB entries for Block-TLBs.

Signed-off-by: Helge Deller <deller@gmx.de>
---

diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h
index fa13694dab9..23852d89b2b 100644
--- a/target/hppa/cpu.h
+++ b/target/hppa/cpu.h
@@ -211,8 +211,14 @@ typedef struct CPUArchState {
     target_ureg shadow[7];   /* shadow registers */
 
     /* ??? The number of entries isn't specified by the architecture.  */
+#ifdef TARGET_HPPA64
+#define HPPA_BTLB_FIXED         0       /* BTLBs are not supported in 64-bit machines */
+#else
+#define HPPA_BTLB_FIXED         16
+#endif
+#define HPPA_BTLB_VARIABLE      0
 #define HPPA_TLB_ENTRIES        256
-#define HPPA_BTLB_ENTRIES       0
+#define HPPA_BTLB_ENTRIES       (HPPA_BTLB_FIXED + HPPA_BTLB_VARIABLE)
 
     /* ??? Implement a unified itlb/dtlb for the moment.  */
     /* ??? We should use a more intelligent data structure.  */