From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org, Song Gao <gaosong@loongson.cn>
Cc: "Jiajie Chen" <c@jia.je>,
"Xiaojuan Yang" <yangxiaojuan@loongson.cn>,
"Huacai Chen" <chenhuacai@loongson.cn>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PATCH RESEND v5 10/19] target/loongarch: Sign extend results in VA32 mode
Date: Tue, 22 Aug 2023 09:19:50 +0200 [thread overview]
Message-ID: <20230822071959.35620-1-philmd@linaro.org> (raw)
In-Reply-To: <20230822071405.35386-1-philmd@linaro.org>
From: Jiajie Chen <c@jia.je>
In VA32 mode, BL, JIRL and PC* instructions should sign-extend the low
32 bit result to 64 bits.
Signed-off-by: Jiajie Chen <c@jia.je>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230822032724.1353391-7-gaosong@loongson.cn>
---
target/loongarch/translate.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c
index 9a23ec786d..de7c1c5d1f 100644
--- a/target/loongarch/translate.c
+++ b/target/loongarch/translate.c
@@ -238,6 +238,9 @@ static TCGv make_address_i(DisasContext *ctx, TCGv base, target_long ofs)
static uint64_t make_address_pc(DisasContext *ctx, uint64_t addr)
{
+ if (ctx->va32) {
+ addr = (int32_t)addr;
+ }
return addr;
}
--
2.41.0
next prev parent reply other threads:[~2023-08-22 7:20 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-22 7:13 [PATCH RESEND v5 00/19] Add some checks before translating instructions Philippe Mathieu-Daudé
2023-08-22 7:13 ` [PATCH RESEND v5 01/19] target/loongarch: Support LoongArch32 TLB entry Philippe Mathieu-Daudé
2023-08-22 7:13 ` [PATCH RESEND v5 02/19] target/loongarch: Support LoongArch32 DMW Philippe Mathieu-Daudé
2023-08-22 7:13 ` [PATCH RESEND v5 03/19] target/loongarch: Support LoongArch32 VPPN Philippe Mathieu-Daudé
2023-08-22 7:13 ` [PATCH RESEND v5 04/19] target/loongarch: Add LA64 & VA32 to DisasContext Philippe Mathieu-Daudé
2023-08-22 7:13 ` [PATCH RESEND v5 05/19] target/loongarch: Extract make_address_x() helper Philippe Mathieu-Daudé
2023-08-22 7:13 ` [PATCH RESEND v5 06/19] target/loongarch: Extract make_address_i() helper Philippe Mathieu-Daudé
2023-08-22 7:13 ` [PATCH RESEND v5 07/19] target/loongarch: Extract make_address_pc() helper Philippe Mathieu-Daudé
2023-08-22 7:13 ` [PATCH RESEND v5 08/19] target/loongarch: Extract set_pc() helper Philippe Mathieu-Daudé
2023-08-22 7:13 ` [PATCH RESEND v5 09/19] target/loongarch: Truncate high 32 bits of address in VA32 mode Philippe Mathieu-Daudé
2023-08-22 7:19 ` Philippe Mathieu-Daudé [this message]
2023-08-22 7:19 ` [PATCH RESEND v5 11/19] target/loongarch: Add a check parameter to the TRANS macro Philippe Mathieu-Daudé
2023-08-22 7:19 ` [PATCH RESEND v5 12/19] target/loongarch: Add avail_64 to check la64-only instructions Philippe Mathieu-Daudé
2023-08-22 7:19 ` [PATCH RESEND v5 13/19] target/loongarch: Add LoongArch32 cpu la132 Philippe Mathieu-Daudé
2023-08-22 7:19 ` [PATCH RESEND v5 14/19] hw/loongarch: Remove restriction of la464 cores in the virt machine Philippe Mathieu-Daudé
2023-08-22 7:19 ` [PATCH RESEND v5 15/19] target/loongarch: Add avail_FP/FP_SP/FP_DP to check fpu instructions Philippe Mathieu-Daudé
2023-08-22 7:19 ` [PATCH RESEND v5 16/19] target/loongarch: Add avail_LSPW to check LSPW instructions Philippe Mathieu-Daudé
2023-08-22 7:19 ` [PATCH RESEND v5 17/19] target/loongarch: Add avail_LAM to check atomic instructions Philippe Mathieu-Daudé
2023-08-22 7:22 ` [PATCH RESEND v5 19/19] target/loongarch: Add avail_IOCSR to check iocsr instructions Philippe Mathieu-Daudé
2023-08-22 7:30 ` [PATCH RESEND v5 18/19] target/loongarch: Add avail_LSX to check LSX instructions Philippe Mathieu-Daudé
2023-08-22 8:21 ` [PATCH RESEND v5 00/19] Add some checks before translating instructions gaosong
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