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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org, "Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Peter Maydell" <peter.maydell@linaro.org>
Subject: [PATCH v3 1/6] target/arm: Support 32-byte alignment in pow2_align
Date: Fri,  1 Mar 2024 10:41:05 -1000	[thread overview]
Message-ID: <20240301204110.656742-2-richard.henderson@linaro.org> (raw)
In-Reply-To: <20240301204110.656742-1-richard.henderson@linaro.org>

Now that we have removed TARGET_PAGE_BITS_MIN-6 from
TLB_FLAGS_MASK, we can test for 32-byte alignment.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/tcg/translate.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/target/arm/tcg/translate.c b/target/arm/tcg/translate.c
index f947c62c6b..c8a2470675 100644
--- a/target/arm/tcg/translate.c
+++ b/target/arm/tcg/translate.c
@@ -900,13 +900,7 @@ static inline void store_reg_from_load(DisasContext *s, int reg, TCGv_i32 var)
 MemOp pow2_align(unsigned i)
 {
     static const MemOp mop_align[] = {
-        0, MO_ALIGN_2, MO_ALIGN_4, MO_ALIGN_8, MO_ALIGN_16,
-        /*
-         * FIXME: TARGET_PAGE_BITS_MIN affects TLB_FLAGS_MASK such
-         * that 256-bit alignment (MO_ALIGN_32) cannot be supported:
-         * see get_alignment_bits(). Enforce only 128-bit alignment for now.
-         */
-        MO_ALIGN_16
+        0, MO_ALIGN_2, MO_ALIGN_4, MO_ALIGN_8, MO_ALIGN_16, MO_ALIGN_32
     };
     g_assert(i < ARRAY_SIZE(mop_align));
     return mop_align[i];
-- 
2.34.1



  reply	other threads:[~2024-03-01 20:42 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-01 20:41 [PATCH v3 0/6] target/arm: Do memory alignment check for device memory Richard Henderson
2024-03-01 20:41 ` Richard Henderson [this message]
2024-03-01 20:41 ` [PATCH v3 2/6] exec/memattrs: Remove target_tlb_bit* Richard Henderson
2024-03-01 20:41 ` [PATCH v3 3/6] accel/tcg: Add tlb_fill_flags to CPUTLBEntryFull Richard Henderson
2024-03-01 20:41 ` [PATCH v3 4/6] accel/tcg: Add TLB_CHECK_ALIGNED Richard Henderson
2024-03-01 20:41 ` [PATCH v3 5/6] target/arm: Do memory type alignment check when translation disabled Richard Henderson
2024-04-16 15:11   ` Jonathan Cameron via
2024-04-17 20:07     ` Richard Henderson
2024-04-18  8:15       ` Jonathan Cameron via
2024-04-18 17:40         ` Jonathan Cameron via
2024-04-19 11:52           ` [edk2-devel] " Gerd Hoffmann
2024-04-19 16:09             ` Jonathan Cameron via
2024-04-19 16:36               ` Ard Biesheuvel
2024-04-19 17:38                 ` Ard Biesheuvel
2024-04-22 15:26   ` Clément Chigot
2024-04-22 15:47     ` Richard Henderson
2024-04-22 15:59       ` Peter Maydell
2024-03-01 20:41 ` [PATCH v3 6/6] target/arm: Do memory type alignment check when translation enabled Richard Henderson
2024-03-04 17:10   ` Peter Maydell
2024-03-04 17:27     ` Richard Henderson
2024-03-04 17:12 ` [PATCH v3 0/6] target/arm: Do memory alignment check for device memory Peter Maydell

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