[Qemu-devel] [4721] CRIS: Add (untested) cpu-state save/load.

[Edgar E. Iglesias]

Revision: 4721
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4721
Author:   edgar_igl
Date:     2008-06-09 23:44:20 +0000 (Mon, 09 Jun 2008)

Log Message:
-----------
CRIS: Add (untested) cpu-state save/load.

Modified Paths:
--------------
    trunk/hw/etraxfs.c
    trunk/target-cris/machine.c

Modified: trunk/hw/etraxfs.c
===================================================================
--- trunk/hw/etraxfs.c  2008-06-09 23:33:30 UTC (rev 4720)
+++ trunk/hw/etraxfs.c  2008-06-09 23:44:20 UTC (rev 4721)
@@ -67,7 +67,7 @@
         cpu_model = "crisv32";
     }
     env = cpu_init(cpu_model);
-/*    register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); */
+    register_savevm("cpu", 0, 1, cpu_save, cpu_load, env);
     qemu_register_reset(main_cpu_reset, env);
 
     /* allocate RAM */

Modified: trunk/target-cris/machine.c
===================================================================
--- trunk/target-cris/machine.c 2008-06-09 23:33:30 UTC (rev 4720)
+++ trunk/target-cris/machine.c 2008-06-09 23:44:20 UTC (rev 4721)
@@ -5,3 +5,91 @@
 {
     qemu_register_machine(&bareetraxfs_machine);
 }
+
+void cpu_save(QEMUFile *f, void *opaque)
+{
+    CPUCRISState *env = opaque;
+    int i;
+    int s;
+    int mmu;
+
+    for (i = 0; i < 16; i++)
+        qemu_put_be32(f, env->regs[i]);
+    for (i = 0; i < 16; i++)
+        qemu_put_be32(f, env->pregs[i]);
+
+    qemu_put_be32(f, env->pc);
+    qemu_put_be32(f, env->ksp);
+
+    qemu_put_be32(f, env->dslot);
+    qemu_put_be32(f, env->btaken);
+    qemu_put_be32(f, env->btarget);
+
+    qemu_put_be32(f, env->cc_op);
+    qemu_put_be32(f, env->cc_mask);
+    qemu_put_be32(f, env->cc_dest);
+    qemu_put_be32(f, env->cc_src);
+    qemu_put_be32(f, env->cc_result);
+    qemu_put_be32(f, env->cc_size);
+    qemu_put_be32(f, env->cc_x);
+
+    for (s = 0; s < 4; i++) {
+        for (i = 0; i < 16; i++)
+            qemu_put_be32(f, env->sregs[s][i]);
+    }
+
+    qemu_put_be32(f, env->mmu_rand_lfsr);
+    for (mmu = 0; mmu < 2; mmu++) {
+        for (s = 0; s < 4; i++) {
+            for (i = 0; i < 16; i++) {
+                qemu_put_be32(f, env->tlbsets[mmu][s][i].lo);
+                qemu_put_be32(f, env->tlbsets[mmu][s][i].hi);
+            }
+        }
+    }
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+       CPUCRISState *env = opaque;
+    int i;
+    int s;
+    int mmu;
+
+    for (i = 0; i < 16; i++)
+        env->regs[i] = qemu_get_be32(f);
+    for (i = 0; i < 16; i++)
+        env->pregs[i] = qemu_get_be32(f);
+
+    env->pc = qemu_get_be32(f);
+    env->ksp = qemu_get_be32(f);
+
+    env->dslot = qemu_get_be32(f);
+    env->btaken = qemu_get_be32(f);
+    env->btarget = qemu_get_be32(f);
+
+    env->cc_op = qemu_get_be32(f);
+    env->cc_mask = qemu_get_be32(f);
+    env->cc_dest = qemu_get_be32(f);
+    env->cc_src = qemu_get_be32(f);
+    env->cc_result = qemu_get_be32(f);
+    env->cc_size = qemu_get_be32(f);
+    env->cc_x = qemu_get_be32(f);
+
+    for (s = 0; s < 4; i++) {
+        for (i = 0; i < 16; i++)
+            env->sregs[s][i] = qemu_get_be32(f);
+    }
+
+    env->mmu_rand_lfsr = qemu_get_be32(f);
+    for (mmu = 0; mmu < 2; mmu++) {
+        for (s = 0; s < 4; i++) {
+            for (i = 0; i < 16; i++) {
+                env->tlbsets[mmu][s][i].lo = qemu_get_be32(f);
+                env->tlbsets[mmu][s][i].hi = qemu_get_be32(f);
+            }
+        }
+    }
+
+    return 0;
+}