From: Helge Deller <deller@kernel.org>
To: qemu-devel@nongnu.org
Cc: Richard Henderson <richard.henderson@linaro.org>,
Keith Monahan <keith@techtravels.org>,
"Kirill A . Korinsky" <kirill@korins.ky>,
Helge Deller <deller@gmx.de>
Subject: [PATCH 3/8] target/hppa: Only allow 8 BTLB entries for HP-UX 9.05
Date: Tue, 27 Oct 2026 22:52:04 +0100 [thread overview]
Message-ID: <20261027215209.21150-4-deller@kernel.org> (raw)
In-Reply-To: <20261027215209.21150-1-deller@kernel.org>
From: Keith Monahan <keith@techtravels.org>
The physical PA100LC and PA7300LC CPUs implement 8 BTLB entries only.
HP-UX 9.05 seems to have problems if more are available, so reduce the
number to 8 entries to allow HP-UX 9.05 to boot.
Signed-off-by: Keith Monahan <keith@techtravels.org>
Signed-off-by: Helge Deller <deller@gmx.de>
---
target/hppa/cpu.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h
index c0ba787974..da48a78569 100644
--- a/target/hppa/cpu.h
+++ b/target/hppa/cpu.h
@@ -248,7 +248,7 @@ typedef struct CPUArchState {
* ??? The number of entries isn't specified by the architecture.
* BTLBs are not supported in 64-bit machines.
*/
-#define PA10_BTLB_FIXED 16
+#define PA10_BTLB_FIXED 8
#define PA10_BTLB_VARIABLE 0
#define HPPA_TLB_ENTRIES 256
--
2.54.0
next prev parent reply other threads:[~2026-10-27 21:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-27 21:52 [PATCH 0/8] HPPA architecture patches for HP-UX 9 and 715 machine Helge Deller
2026-10-27 21:52 ` [PATCH 1/8] target/hppa: restore lazy FPU context isolation Helge Deller
2026-10-27 21:52 ` [PATCH 2/8] target/hppa: Use 15 bit protection IDs on PA1.1 CPUs Helge Deller
2026-10-27 21:52 ` Helge Deller [this message]
2026-10-27 21:52 ` [PATCH 4/8] target/hppa: Implement local broadcast I/O space Helge Deller
2026-10-27 21:52 ` [PATCH 5/8] target/hppa: Preload I/O-space BTLB entries for LASI and the central bus Helge Deller
2026-10-27 21:52 ` [PATCH 6/8] artist: Redraw screen on colormap changes Helge Deller
2026-10-27 21:52 ` [PATCH 7/8] hw/misc/lasi: LASI Harmony Audio presence emulation Helge Deller
2026-10-27 21:52 ` [PATCH 8/8] target/hppa: Map CPUs at same addresses as on physical machines Helge Deller
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