diff mbox series

[RFC,v3,23/56] cpu: define cpu_interrupt_request helpers

Message ID 20181019010625.25294-24-cota@braap.org
State New
Headers show
Series per-CPU locks | expand

Commit Message

Emilio Cota Oct. 19, 2018, 1:05 a.m. UTC 
Signed-off-by: Emilio G. Cota <cota@braap.org>
---
 include/qom/cpu.h | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

Comments

Richard Henderson Oct. 21, 2018, 1:15 p.m. UTC | #1 
On 10/19/18 2:05 AM, Emilio G. Cota wrote:
> Signed-off-by: Emilio G. Cota <cota@braap.org>
> ---
>  include/qom/cpu.h | 35 +++++++++++++++++++++++++++++++++++
>  1 file changed, 35 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~
diff mbox series

Patch

diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 3bf6767cb0..cd66b8828a 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -504,6 +504,41 @@  static inline void cpu_halted_set(CPUState *cpu, uint32_t val)
     cpu_mutex_unlock(cpu);
 }
 
+static inline uint32_t cpu_interrupt_request(CPUState *cpu)
+{
+    uint32_t ret;
+
+    if (cpu_mutex_locked(cpu)) {
+        return cpu->interrupt_request;
+    }
+    cpu_mutex_lock(cpu);
+    ret = cpu->interrupt_request;
+    cpu_mutex_unlock(cpu);
+    return ret;
+}
+
+static inline void cpu_interrupt_request_or(CPUState *cpu, uint32_t mask)
+{
+    if (cpu_mutex_locked(cpu)) {
+        cpu->interrupt_request |= mask;
+        return;
+    }
+    cpu_mutex_lock(cpu);
+    cpu->interrupt_request |= mask;
+    cpu_mutex_unlock(cpu);
+}
+
+static inline void cpu_interrupt_request_set(CPUState *cpu, uint32_t val)
+{
+    if (cpu_mutex_locked(cpu)) {
+        cpu->interrupt_request = val;
+        return;
+    }
+    cpu_mutex_lock(cpu);
+    cpu->interrupt_request = val;
+    cpu_mutex_unlock(cpu);
+}
+
 static inline void cpu_tb_jmp_cache_clear(CPUState *cpu)
 {
     unsigned int i;