[v8] per-CPU locks

[PATCH v8 08/74] tcg-runtime: define helper_cpu_halted_set

Robert Foley posted 74 patches 5 years, 7 months ago

Diff against v3 v4 v5 v6 v7 v9 v10
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Maintainers: Roman Bolshakov <r.bolshakov@yadro.com>, Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>, Palmer Dabbelt <palmer@dabbelt.com>, Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>, Artyom Tarasenko <atar4qemu@gmail.com>, "Alex Bennée" <alex.bennee@linaro.org>, Cornelia Huck <cohuck@redhat.com>, David Gibson <david@gibson.dropbear.id.au>, Aurelien Jarno <aurelien@aurel32.net>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, David Hildenbrand <david@redhat.com>, Laurent Vivier <laurent@vivier.eu>, Paolo Bonzini <pbonzini@redhat.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Eduardo Habkost <ehabkost@redhat.com>, Richard Henderson <rth@twiddle.net>, Sagar Karandikar <sagark@eecs.berkeley.edu>, Sunil Muthuswamy <sunilmut@microsoft.com>, Max Filippov <jcmvbkbc@gmail.com>, Alistair Francis <Alistair.Francis@wdc.com>

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[PATCH v8 08/74] tcg-runtime: define helper_cpu_halted_set

Posted by Robert Foley 5 years, 7 months ago

From: "Emilio G. Cota" <cota@braap.org>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Robert Foley <robert.foley@linaro.org>
---
 accel/tcg/tcg-runtime.c | 7 +++++++
 accel/tcg/tcg-runtime.h | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/accel/tcg/tcg-runtime.c b/accel/tcg/tcg-runtime.c
index 446465a09a..32ec18fe40 100644
--- a/accel/tcg/tcg-runtime.c
+++ b/accel/tcg/tcg-runtime.c
@@ -168,3 +168,10 @@ void HELPER(exit_atomic)(CPUArchState *env)
 {
     cpu_loop_exit_atomic(env_cpu(env), GETPC());
 }
+
+void HELPER(cpu_halted_set)(CPUArchState *env, uint32_t val)
+{
+    CPUState *cpu = env_cpu(env);
+
+    cpu->halted = val;
+}
diff --git a/accel/tcg/tcg-runtime.h b/accel/tcg/tcg-runtime.h
index 4fa61b49b4..433b6bc88e 100644
--- a/accel/tcg/tcg-runtime.h
+++ b/accel/tcg/tcg-runtime.h
@@ -28,6 +28,8 @@ DEF_HELPER_FLAGS_1(lookup_tb_ptr, TCG_CALL_NO_WG_SE, ptr, env)
 
 DEF_HELPER_FLAGS_1(exit_atomic, TCG_CALL_NO_WG, noreturn, env)
 
+DEF_HELPER_FLAGS_2(cpu_halted_set, TCG_CALL_NO_RWG, void, env, i32)
+
 #ifdef CONFIG_SOFTMMU
 
 DEF_HELPER_FLAGS_5(atomic_cmpxchgb, TCG_CALL_NO_WG,
-- 
2.17.1