[Qemu-devel] [RFC PATCH v3 1/7] target/ppc: Move exception vector offset computation into a function

[Fabiano Rosas <farosas@linux.ibm.com>]

Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
---
 target/ppc/excp_helper.c | 31 ++++++++++++++++++++-----------
 1 file changed, 20 insertions(+), 11 deletions(-)

diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 0ec7ae1ad4..337a3ef8bb 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -65,6 +65,25 @@ static inline void dump_syscall(CPUPPCState *env)
                   ppc_dump_gpr(env, 6), env->nip);
 }
 
+static uint64_t ppc_excp_vector_offset(CPUState *cs, int ail)
+{
+    uint64_t offset;
+
+    switch (ail) {
+    case AIL_0001_8000:
+        offset = 0x18000;
+        break;
+    case AIL_C000_0000_0000_4000:
+        offset = 0xc000000000004000ull;
+        break;
+    default:
+        cpu_abort(cs, "Invalid AIL combination %d\n", ail);
+        break;
+    }
+
+    return offset;
+}
+
 /* Note that this function should be greatly optimized
  * when called with a constant excp, from ppc_hw_interrupt
  */
@@ -685,17 +704,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
     /* Handle AIL */
     if (ail) {
         new_msr |= (1 << MSR_IR) | (1 << MSR_DR);
-        switch(ail) {
-        case AIL_0001_8000:
-            vector |= 0x18000;
-            break;
-        case AIL_C000_0000_0000_4000:
-            vector |= 0xc000000000004000ull;
-            break;
-        default:
-            cpu_abort(cs, "Invalid AIL combination %d\n", ail);
-            break;
-        }
+        vector |= ppc_excp_vector_offset(cs, ail);
     }
 
 #if defined(TARGET_PPC64)
-- 
2.17.1