From: deller@kernel.org
To: qemu-devel@nongnu.org
Cc: Richard Henderson <richard.henderson@linaro.org>,
Helge Deller <deller@gmx.de>
Subject: [PATCH 2/6] target/hppa: Allow up to 16 BTLB entries
Date: Wed, 13 Sep 2023 11:53:36 +0200 [thread overview]
Message-ID: <20230913095340.32951-3-deller@kernel.org> (raw)
In-Reply-To: <20230913095340.32951-1-deller@kernel.org>
From: Helge Deller <deller@gmx.de>
Reserve 16 out of the 256 TLB entries for Block-TLBs.
Signed-off-by: Helge Deller <deller@gmx.de>
---
target/hppa/cpu.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h
index fa13694dab..23852d89b2 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. */
--
2.41.0
next prev parent reply other threads:[~2023-09-13 9:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-13 9:53 [PATCH 0/6] Add Block-TLB support for hppa target deller
2023-09-13 9:53 ` [PATCH 1/6] target/hppa: Update to SeaBIOS-hppa version 9 deller
2023-09-13 9:53 ` deller [this message]
2023-09-13 9:53 ` [PATCH 3/6] target/hppa: Provide qemu version via fw_cfg to firmware deller
2023-09-13 9:53 ` [PATCH 4/6] target/hppa: Add BTLB support to hppa TLB functions deller
2023-09-13 9:53 ` [PATCH 5/6] target/hppa: Extract diagnose immediate value deller
2023-09-13 9:53 ` [PATCH 6/6] target/hppa: Wire up diag instruction to support BTLB deller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230913095340.32951-3-deller@kernel.org \
--to=deller@kernel.org \
--cc=deller@gmx.de \
--cc=qemu-devel@nongnu.org \
--cc=richard.henderson@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.