testing and plugin updates for 9.0

[PATCH 22/40] target/riscv: Remove misa_mxl validation

Alex Bennée posted 40 patches 11 months, 1 week ago

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Maintainers: "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Alexandre Iooss <erdnaxe@crans.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Yanan Wang <wangyanan55@huawei.com>, John Snow <jsnow@redhat.com>, Cleber Rosa <crosa@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Michael Rolnik <mrolnik@gmail.com>, Brian Cain <bcain@quicinc.com>, Song Gao <gaosong@loongson.cn>, Laurent Vivier <laurent@vivier.eu>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Nicholas Piggin <npiggin@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, Yoshinori Sato <ysato@users.sourceforge.jp>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, David Woodhouse <dwmw2@infradead.org>, Paul Durrant <paul@xen.org>, Aurelien Jarno <aurelien@aurel32.net>

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[PATCH 22/40] target/riscv: Remove misa_mxl validation

Posted by Alex Bennée 11 months, 1 week ago

From: Akihiko Odaki <akihiko.odaki@daynix.com>

It is initialized with a simple assignment and there is little room for
error. In fact, the validation is even more complex.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20231213-riscv-v7-2-a760156a337f@daynix.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 target/riscv/tcg/tcg-cpu.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
index 8a35683a345..ee17f65afb6 100644
--- a/target/riscv/tcg/tcg-cpu.c
+++ b/target/riscv/tcg/tcg-cpu.c
@@ -148,7 +148,7 @@ static void riscv_cpu_validate_misa_priv(CPURISCVState *env, Error **errp)
     }
 }
 
-static void riscv_cpu_validate_misa_mxl(RISCVCPU *cpu, Error **errp)
+static void riscv_cpu_validate_misa_mxl(RISCVCPU *cpu)
 {
     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
     CPUClass *cc = CPU_CLASS(mcc);
@@ -168,11 +168,6 @@ static void riscv_cpu_validate_misa_mxl(RISCVCPU *cpu, Error **errp)
     default:
         g_assert_not_reached();
     }
-
-    if (env->misa_mxl_max != env->misa_mxl) {
-        error_setg(errp, "misa_mxl_max must be equal to misa_mxl");
-        return;
-    }
 }
 
 static void riscv_cpu_validate_priv_spec(RISCVCPU *cpu, Error **errp)
@@ -673,7 +668,6 @@ static bool riscv_cpu_is_generic(Object *cpu_obj)
 static bool tcg_cpu_realize(CPUState *cs, Error **errp)
 {
     RISCVCPU *cpu = RISCV_CPU(cs);
-    Error *local_err = NULL;
 
     if (!riscv_cpu_tcg_compatible(cpu)) {
         g_autofree char *name = riscv_cpu_get_name(cpu);
@@ -682,14 +676,11 @@ static bool tcg_cpu_realize(CPUState *cs, Error **errp)
         return false;
     }
 
-    riscv_cpu_validate_misa_mxl(cpu, &local_err);
-    if (local_err != NULL) {
-        error_propagate(errp, local_err);
-        return false;
-    }
+    riscv_cpu_validate_misa_mxl(cpu);
 
 #ifndef CONFIG_USER_ONLY
     CPURISCVState *env = &cpu->env;
+    Error *local_err = NULL;
 
     CPU(cs)->tcg_cflags |= CF_PCREL;
 
-- 
2.39.2