[PATCH 2/8] target/ppc: Factor common ppc_load_epr() helper out

[Philippe Mathieu-Daudé]

Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
 target/ppc/cpu.h         | 2 ++
 target/ppc/cpu.c         | 8 ++++++++
 target/ppc/excp_helper.c | 3 +--
 target/ppc/kvm.c         | 2 +-
 4 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index d637a50798f..e3e4bce91b7 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -2822,6 +2822,8 @@ enum {
 target_ulong cpu_read_xer(const CPUPPCState *env);
 void cpu_write_xer(CPUPPCState *env, target_ulong xer);
 
+uint64_t ppc_load_epr(CPUPPCState *env);
+
 /*
  * All 64-bit server processors compliant with arch 2.x, ie. 970 and newer,
  * have PPC_SEGMENT_64B.
diff --git a/target/ppc/cpu.c b/target/ppc/cpu.c
index 4d8faaddee2..f24801a9731 100644
--- a/target/ppc/cpu.c
+++ b/target/ppc/cpu.c
@@ -26,6 +26,7 @@
 #include "fpu/softfloat-helpers.h"
 #include "mmu-hash64.h"
 #include "helper_regs.h"
+#include "system/memory.h"
 #include "system/tcg.h"
 
 target_ulong cpu_read_xer(const CPUPPCState *env)
@@ -105,6 +106,13 @@ void ppc_store_lpcr(PowerPCCPU *cpu, target_ulong val)
     ppc_maybe_interrupt(env);
 }
 
+uint64_t ppc_load_epr(CPUPPCState *env)
+{
+    CPUState *cs = env_cpu(env);
+
+    return ldl_phys(cs->as, env->mpic_iack);
+}
+
 #if defined(TARGET_PPC64)
 void ppc_update_ciabr(CPUPPCState *env)
 {
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 6d05b865058..3b476c145ab 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -1166,9 +1166,8 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
         break;
     case POWERPC_EXCP_EXTERNAL:  /* External input                           */
         if (env->mpic_proxy) {
-            CPUState *cs = env_cpu(env);
             /* IACK the IRQ on delivery */
-            env->spr[SPR_BOOKE_EPR] = ldl_phys(cs->as, env->mpic_iack);
+            env->spr[SPR_BOOKE_EPR] = ppc_load_epr(env);
         }
         break;
     case POWERPC_EXCP_ALIGN:     /* Alignment exception                      */
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
index 41bd03ec2a2..3bff75b7f54 100644
--- a/target/ppc/kvm.c
+++ b/target/ppc/kvm.c
@@ -1692,7 +1692,7 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run 
*run)
 #endif
     case KVM_EXIT_EPR:
         trace_kvm_handle_epr();
-        run->epr.epr = ldl_phys(cs->as, env->mpic_iack);
+        run->epr.epr = ppc_load_epr(env);
         ret = 0;
         break;
     case KVM_EXIT_WATCHDOG:
-- 
2.53.0