From: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
To: Jiaxun Yang <jiaxun.yang@flygoat.com>,
Huacai Chen <chenhc@lemote.com>,
qemu-devel@nongnu.org
Cc: "Aleksandar Rikalo" <aleksandar.rikalo@syrmia.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
"Aurelien Jarno" <aurelien@aurel32.net>
Subject: [PATCH 4/5] hw/mips/malta: Do not initialize MT registers if MT ASE absent
Date: Fri, 4 Dec 2020 23:26:21 +0100 [thread overview]
Message-ID: <20201204222622.2743175-5-f4bug@amsat.org> (raw)
In-Reply-To: <20201204222622.2743175-1-f4bug@amsat.org>
Do not initialize MT-related config register if the MT ASE
is not present.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
hw/mips/malta.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/hw/mips/malta.c b/hw/mips/malta.c
index 9d1a3b50b7a..350b92b4d79 100644
--- a/hw/mips/malta.c
+++ b/hw/mips/malta.c
@@ -1134,8 +1134,10 @@ static void malta_mips_config(MIPSCPU *cpu)
CPUMIPSState *env = &cpu->env;
CPUState *cs = CPU(cpu);
- env->mvp->CP0_MVPConf0 |= ((smp_cpus - 1) << CP0MVPC0_PVPE) |
+ if (ase_mt_available(env)) {
+ env->mvp->CP0_MVPConf0 |= ((smp_cpus - 1) << CP0MVPC0_PVPE) |
((smp_cpus * cs->nr_threads - 1) << CP0MVPC0_PTC);
+ }
}
static void main_cpu_reset(void *opaque)
--
2.26.2
next prev parent reply other threads:[~2020-12-04 22:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-04 22:26 [PATCH 0/5] mips: Sanitize Multi-Threading ASE Philippe Mathieu-Daudé
2020-12-04 22:26 ` [PATCH 1/5] target/mips: Remove mips_def_t unused argument from mvp_init() Philippe Mathieu-Daudé
2020-12-05 12:46 ` Richard Henderson
2020-12-04 22:26 ` [PATCH 2/5] target/mips: Introduce ase_mt_available() helper Philippe Mathieu-Daudé
2020-12-05 12:47 ` Richard Henderson
2020-12-04 22:26 ` [PATCH 3/5] target/mips: Do not initialize MT registers if MT ASE absent Philippe Mathieu-Daudé
2020-12-05 12:48 ` Richard Henderson
2020-12-04 22:26 ` Philippe Mathieu-Daudé [this message]
2020-12-05 12:48 ` [PATCH 4/5] hw/mips/malta: " Richard Henderson
2020-12-04 22:26 ` [PATCH 5/5] hw/mips/malta: Rewrite CP0_MVPConf0 access using deposit() Philippe Mathieu-Daudé
2020-12-05 12:49 ` Richard Henderson
2020-12-07 22:49 ` [PATCH 0/5] mips: Sanitize Multi-Threading ASE Philippe Mathieu-Daudé
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