From: Richard Henderson <richard.henderson@linaro.org>
To: WANG Xuerui <i.qemu@xen0n.name>, qemu-devel@nongnu.org
Cc: Alistair.Francis@wdc.com, f4bug@amsat.org
Subject: Re: [PATCH 3/8] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu
Date: Mon, 11 Oct 2021 08:27:35 -0700 [thread overview]
Message-ID: <516e085e-4e58-c45b-10d9-0c7e73cfd241@linaro.org> (raw)
In-Reply-To: <ded6a5f0-dfcd-d908-afce-491b0273e531@xen0n.name>
On 10/10/21 9:30 PM, WANG Xuerui wrote:
>> @@ -92,6 +93,9 @@ static inline size_t sizeof_tlb(CPUTLBDescFast *fast)
>>
>> static inline uintptr_t g2h_tlbe(const CPUTLBEntry *tlb, target_ulong gaddr)
>> {
>> + if (TCG_TARGET_SIGNED_ADDR32 && TARGET_LONG_BITS == 32) {
> It seems this branch's direction should always match that of the branch
> added below, so if TARGET_LONG_BITS == TARGET_LONG_BITS == 32 this
> invariant is broken? Or is this expected behavior?
The conditions should match, yes.
In revising the patch set I decided that the tcg backend should simply not set this flag
for a 32-bit host.
r~
next prev parent reply other threads:[~2021-10-11 15:28 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-10 17:43 [PATCH 0/8] tcg: support 32-bit guest addresses as signed Richard Henderson
2021-10-10 17:43 ` [PATCH 1/8] tcg: Add TCG_TARGET_SIGNED_ADDR32 Richard Henderson
2021-10-11 4:21 ` WANG Xuerui
2021-10-11 9:55 ` Alex Bennée
2021-10-11 22:07 ` Philippe Mathieu-Daudé
2021-10-11 23:16 ` Alistair Francis
2021-10-10 17:43 ` [PATCH 2/8] accel/tcg: Split out g2h_tlbe Richard Henderson
2021-10-11 4:22 ` WANG Xuerui
2021-10-11 9:55 ` Alex Bennée
2021-10-11 21:48 ` Philippe Mathieu-Daudé
2021-10-11 23:19 ` Alistair Francis
2021-10-10 17:43 ` [PATCH 3/8] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu Richard Henderson
2021-10-11 4:30 ` WANG Xuerui
2021-10-11 15:27 ` Richard Henderson [this message]
2021-10-10 17:43 ` [PATCH 4/8] accel/tcg: Add guest_base_signed_addr32 for user-only Richard Henderson
2021-10-11 22:06 ` Philippe Mathieu-Daudé
2021-10-13 7:07 ` Alistair Francis
2021-10-10 17:43 ` [PATCH 5/8] linux-user: Support TCG_TARGET_SIGNED_ADDR32 Richard Henderson
2021-10-11 10:22 ` Alex Bennée
2021-10-11 15:32 ` Richard Henderson
2021-10-10 17:43 ` [PATCH 6/8] tcg/aarch64: " Richard Henderson
2021-10-11 10:28 ` Alex Bennée
2021-10-11 15:24 ` Richard Henderson
2021-10-13 21:05 ` Richard Henderson
2021-10-10 17:44 ` [PATCH 7/8] target/mips: " Richard Henderson
2021-10-11 4:20 ` WANG Xuerui
2021-10-13 22:24 ` Richard Henderson
2021-10-10 17:44 ` [PATCH 8/8] target/riscv: " Richard Henderson
2021-10-11 22:00 ` Philippe Mathieu-Daudé
2021-10-13 7:08 ` Alistair Francis
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