From: "Philippe Mathieu-Daudé" <philippe.mathieu.daude@gmail.com>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Subject: Re: [PATCH v2 3/9] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu
Date: Sun, 27 Feb 2022 23:32:47 +0100 [thread overview]
Message-ID: <02291ebd-a1e1-a670-0ba4-8e3d98c42b83@gmail.com> (raw)
In-Reply-To: <20220227020413.11741-4-richard.henderson@linaro.org>
On 27/2/22 03:04, Richard Henderson wrote:
> When TCG_TARGET_SIGNED_ADDR32 is set, adjust the tlb addend to
> allow the 32-bit guest address to be sign extended within the
> 64-bit host register instead of zero extended.
>
> This will simplify tcg hosts like MIPS, RISC-V, and LoongArch,
> which naturally sign-extend 32-bit values, in contrast to x86_64
> and AArch64 which zero-extend them.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> accel/tcg/cputlb.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
next prev parent reply other threads:[~2022-02-27 22:33 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-27 2:04 [PATCH v2 0/9] tcg: support 32-bit guest addresses as signed Richard Henderson
2022-02-27 2:04 ` [PATCH v2 1/9] tcg: Add TCG_TARGET_SIGNED_ADDR32 Richard Henderson
2022-02-27 2:04 ` [PATCH v2 2/9] accel/tcg: Split out g2h_tlbe Richard Henderson
2022-02-27 2:04 ` [PATCH v2 3/9] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu Richard Henderson
2022-02-27 22:32 ` Philippe Mathieu-Daudé [this message]
2022-03-03 15:14 ` Peter Maydell
2022-02-27 2:04 ` [PATCH v2 4/9] accel/tcg: Add guest_base_signed_addr32 for user-only Richard Henderson
2022-03-03 15:14 ` Peter Maydell
2022-02-27 2:04 ` [PATCH v2 5/9] linux-user: Support TCG_TARGET_SIGNED_ADDR32 Richard Henderson
2022-02-27 22:48 ` Philippe Mathieu-Daudé
2022-02-27 2:04 ` [PATCH v2 6/9] tcg/aarch64: " Richard Henderson
2022-03-03 15:04 ` Peter Maydell
2022-03-03 15:43 ` Richard Henderson
2022-03-03 16:19 ` Peter Maydell
2022-02-27 2:04 ` [PATCH v2 7/9] tcg/mips: " Richard Henderson
2022-02-27 22:51 ` Philippe Mathieu-Daudé
2022-02-27 2:04 ` [PATCH v2 8/9] tcg/riscv: " Richard Henderson
2022-02-27 2:04 ` [PATCH v2 9/9] tcg/loongarch64: " Richard Henderson
2022-02-27 22:52 ` Philippe Mathieu-Daudé
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