commit e80e1cc4b18d388227d2fa6b8551929a381d2490
author bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Wed Nov 23 22:05:28 2005 +0000
committer bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Wed Nov 23 22:05:28 2005 +0000
tree ffa318af5e2d0019e5f47dc26b70a3f0f64ecf94
parent f24e5695e5fab2d4d143c34ffe8164ddeac9b12b

halt state support for ppc


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1657 c046a42c-6fe2-441c-8c8c-71466251a162

cpu-exec.c

diff --git a/cpu-exec.c b/cpu-exec.c
index de1fff2..9543c63 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -262,6 +262,16 @@
             return EXCP_HALTED;
         }
     }
+#elif defined(TARGET_PPC)
+    if (env1->msr[MSR_POW]) {
+        if (env1->msr[MSR_EE] && 
+            (env1->interrupt_request & 
+             (CPU_INTERRUPT_HARD | CPU_INTERRUPT_TIMER))) {
+            env1->msr[MSR_POW] = 0;
+        } else {
+            return EXCP_HALTED;
+        }
+    }
 #endif
 
     cpu_single_env = env1; 

monitor.c

diff --git a/monitor.c b/monitor.c
index 9befd82..70b473d 100644
--- a/monitor.c
+++ b/monitor.c
@@ -255,6 +255,10 @@
         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
         if (env->hflags & HF_HALTED_MASK)
             term_printf(" (halted)");
+#elif defined(TARGET_PPC)
+        term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
+        if (msr_pow)
+            term_printf(" (halted)");
 #endif
         term_printf("\n");
     }

target-ppc/helper.c

diff --git a/target-ppc/helper.c b/target-ppc/helper.c
index c3b02d8..ff1355c 100644
--- a/target-ppc/helper.c
+++ b/target-ppc/helper.c
@@ -846,6 +846,11 @@
     msr_ri  = (value >> MSR_RI)  & 1;
     msr_le  = (value >> MSR_LE)  & 1;
     do_compute_hflags(env);
+    if (msr_pow) {
+        /* power save: exit cpu loop */
+        env->exception_index = EXCP_HLT;
+        cpu_loop_exit();
+    }
 }
 
 float64 do_load_fpscr (CPUPPCState *env)

target-ppc/translate.c

diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 391f82f..3bc6aa3 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -2097,10 +2097,11 @@
         RET_PRIVREG(ctx);
         return;
     }
+    gen_op_update_nip((ctx)->nip);
     gen_op_load_gpr_T0(rS(ctx->opcode));
     gen_op_store_msr();
     /* Must stop the translation as machine state (may have) changed */
-    RET_STOP(ctx);
+    RET_CHG_FLOW(ctx);
 #endif
 }