From: deller@kernel.org
To: qemu-devel@nongnu.org
Cc: Richard Henderson <richard.henderson@linaro.org>,
Helge Deller <deller@gmx.de>
Subject: [PATCH v2 5/5] target/hppa: Switch to use MMU indices 11-15
Date: Fri, 25 Aug 2023 08:56:38 +0200 [thread overview]
Message-ID: <20230825065638.7262-6-deller@kernel.org> (raw)
In-Reply-To: <20230825065638.7262-1-deller@kernel.org>
From: Helge Deller <deller@gmx.de>
The MMU indices 9-15 will use shorter assembler instructions
when run on a x86-64 host. So, switch over to those to get
smaller code and maybe minimally faster emulation.
Signed-off-by: Helge Deller <deller@gmx.de>
---
target/hppa/cpu.h | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h
index 6623712644..fa13694dab 100644
--- a/target/hppa/cpu.h
+++ b/target/hppa/cpu.h
@@ -30,14 +30,14 @@
basis. It's probably easier to fall back to a strong memory model. */
#define TCG_GUEST_DEFAULT_MO TCG_MO_ALL
-#define MMU_KERNEL_IDX 0
-#define MMU_PL1_IDX 1
-#define MMU_PL2_IDX 2
-#define MMU_USER_IDX 3
-#define MMU_PHYS_IDX 4
-
-#define PRIV_TO_MMU_IDX(priv) (priv)
-#define MMU_IDX_TO_PRIV(mmu_idx) (mmu_idx)
+#define MMU_KERNEL_IDX 11
+#define MMU_PL1_IDX 12
+#define MMU_PL2_IDX 13
+#define MMU_USER_IDX 14
+#define MMU_PHYS_IDX 15
+
+#define PRIV_TO_MMU_IDX(priv) (MMU_KERNEL_IDX + (priv))
+#define MMU_IDX_TO_PRIV(mmu_idx) ((mmu_idx) - MMU_KERNEL_IDX)
#define TARGET_INSN_START_EXTRA_WORDS 1
--
2.41.0
prev parent reply other threads:[~2023-08-25 6:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-25 6:56 [PATCH v2 0/5] target/hppa: Clean up conversion from/to MMU index and privilege level deller
2023-08-25 6:56 ` [PATCH v2 1/5] target/hppa: Add missing PL1 and PL2 privilege levels deller
2023-08-25 6:56 ` [PATCH v2 2/5] target/hppa: Add privilege to MMU index conversion helpers deller
2023-08-25 6:56 ` [PATCH v2 3/5] target/hppa: Do not use hardcoded value for tlb_flush_*() deller
2023-08-25 6:56 ` [PATCH v2 4/5] target/hppa: Use privilege helper in hppa_get_physical_address() deller
2023-08-25 6:56 ` deller [this message]
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