1 files changed, 63 insertions, 0 deletions

diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c
index a65a6466a7..373a335c39 100644
--- a/target/sparc/cpu.c
+++ b/target/sparc/cpu.c
@@ -23,10 +23,12 @@
 #include "qemu/module.h"
 #include "qemu/qemu-print.h"
 #include "exec/exec-all.h"
+#include "exec/translation-block.h"
 #include "hw/qdev-properties.h"
 #include "qapi/visitor.h"
 #include "tcg/tcg.h"
 #include "fpu/softfloat.h"
+#include "target/sparc/translate.h"
 
 //#define DEBUG_FEATURES
 
@@ -713,6 +715,67 @@ static void sparc_cpu_synchronize_from_tb(CPUState *cs,
     cpu->env.npc = tb->cs_base;
 }
 
+void cpu_get_tb_cpu_state(CPUSPARCState *env, vaddr *pc,
+                          uint64_t *cs_base, uint32_t *pflags)
+{
+    uint32_t flags;
+    *pc = env->pc;
+    *cs_base = env->npc;
+    flags = cpu_mmu_index(env_cpu(env), false);
+#ifndef CONFIG_USER_ONLY
+    if (cpu_supervisor_mode(env)) {
+        flags |= TB_FLAG_SUPER;
+    }
+#endif
+#ifdef TARGET_SPARC64
+#ifndef CONFIG_USER_ONLY
+    if (cpu_hypervisor_mode(env)) {
+        flags |= TB_FLAG_HYPER;
+    }
+#endif
+    if (env->pstate & PS_AM) {
+        flags |= TB_FLAG_AM_ENABLED;
+    }
+    if ((env->pstate & PS_PEF) && (env->fprs & FPRS_FEF)) {
+        flags |= TB_FLAG_FPU_ENABLED;
+    }
+    flags |= env->asi << TB_FLAG_ASI_SHIFT;
+#else
+    if (env->psref) {
+        flags |= TB_FLAG_FPU_ENABLED;
+    }
+#ifndef CONFIG_USER_ONLY
+    if (env->fsr_qne) {
+        flags |= TB_FLAG_FSR_QNE;
+    }
+#endif /* !CONFIG_USER_ONLY */
+#endif /* TARGET_SPARC64 */
+    *pflags = flags;
+}
+
+static void sparc_restore_state_to_opc(CPUState *cs,
+                                       const TranslationBlock *tb,
+                                       const uint64_t *data)
+{
+    CPUSPARCState *env = cpu_env(cs);
+    target_ulong pc = data[0];
+    target_ulong npc = data[1];
+
+    env->pc = pc;
+    if (npc == DYNAMIC_PC) {
+        /* dynamic NPC: already stored */
+    } else if (npc & JUMP_PC) {
+        /* jump PC: use 'cond' and the jump targets of the translation */
+        if (env->cond) {
+            env->npc = npc & ~3;
+        } else {
+            env->npc = pc + 4;
+        }
+    } else {
+        env->npc = npc;
+    }
+}
+
 static bool sparc_cpu_has_work(CPUState *cs)
 {
     return (cs->interrupt_request & CPU_INTERRUPT_HARD) &&