[Qemu-devel] [PATCH 1/5] qom: cpu: Add wrapper to the set-pc hook

[Peter Crosthwaite]

Add a wrapper around the CPUClass::set_pc hook. Accepts an error
pointer to report the case where the hook is not set.

Signed-off-by: Peter Crosthwaite <address@hidden>
---
 include/qom/cpu.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 7db310e..97d4edf 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -600,6 +600,27 @@ static inline void cpu_unaligned_access(CPUState *cpu, 
vaddr addr,
 #endif
 
 /**
+ * cpu_set_pc:
+ * @cpu: The CPU to set the program counter for.
+ * @addr: Program counter value.
+ * @errp: Error pointer to populate in case of error.
+ *
+ * Set the program counter for a CPU. If there is no available implementation
+ * an error is raised.
+ */
+
+static inline void cpu_set_pc(CPUState *cpu, vaddr addr, Error **errp)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    if (cc->set_pc) {
+        cc->set_pc(cpu, addr);
+    } else {
+        error_setg(errp, "CPU does not implement set PC");
+    }
+}
+
+/**
  * cpu_reset_interrupt:
  * @cpu: The CPU to clear the interrupt on.
  * @mask: The interrupt mask to clear.
-- 
1.9.1