3 files changed, 25 insertions, 23 deletions

diff --git a/target/hppa/int_helper.c b/target/hppa/int_helper.c
index 90437a92cd..a667ee380d 100644
--- a/target/hppa/int_helper.c
+++ b/target/hppa/int_helper.c
@@ -107,14 +107,10 @@ void hppa_cpu_do_interrupt(CPUState *cs)
 
     /* step 3 */
     /*
-     * For pa1.x, IIASQ is simply a copy of IASQ.
-     * For pa2.0, IIASQ is the top bits of the virtual address,
-     *            or zero if translation is disabled.
+     * IIASQ is the top bits of the virtual address, or zero if translation
+     * is disabled -- with PSW_W == 0, this will reduce to the space.
      */
-    if (!hppa_is_pa20(env)) {
-        env->cr[CR_IIASQ] = env->iasq_f >> 32;
-        env->cr_back[0] = env->iasq_b >> 32;
-    } else if (old_psw & PSW_C) {
+    if (old_psw & PSW_C) {
         env->cr[CR_IIASQ] =
             hppa_form_gva_psw(old_psw, env->iasq_f, env->iaoq_f) >> 32;
         env->cr_back[0] =
@@ -123,8 +119,14 @@ void hppa_cpu_do_interrupt(CPUState *cs)
         env->cr[CR_IIASQ] = 0;
         env->cr_back[0] = 0;
     }
-    env->cr[CR_IIAOQ] = env->iaoq_f;
-    env->cr_back[1] = env->iaoq_b;
+    /* IIAOQ is the full offset for wide mode, or 32 bits for narrow mode. */
+    if (old_psw & PSW_W) {
+        env->cr[CR_IIAOQ] = env->iaoq_f;
+        env->cr_back[1] = env->iaoq_b;
+    } else {
+        env->cr[CR_IIAOQ] = (uint32_t)env->iaoq_f;
+        env->cr_back[1] = (uint32_t)env->iaoq_b;
+    }
 
     if (old_psw & PSW_Q) {
         /* step 5 */
diff --git a/target/hppa/sys_helper.c b/target/hppa/sys_helper.c
index 208e51c086..22d6c89964 100644
--- a/target/hppa/sys_helper.c
+++ b/target/hppa/sys_helper.c
@@ -78,21 +78,21 @@ target_ulong HELPER(swap_system_mask)(CPUHPPAState *env, target_ulong nsm)
 
 void HELPER(rfi)(CPUHPPAState *env)
 {
-    env->iasq_f = (uint64_t)env->cr[CR_IIASQ] << 32;
-    env->iasq_b = (uint64_t)env->cr_back[0] << 32;
-    env->iaoq_f = env->cr[CR_IIAOQ];
-    env->iaoq_b = env->cr_back[1];
+    uint64_t mask;
+
+    cpu_hppa_put_psw(env, env->cr[CR_IPSW]);
 
     /*
      * For pa2.0, IIASQ is the top bits of the virtual address.
      * To recreate the space identifier, remove the offset bits.
+     * For pa1.x, the mask reduces to no change to space.
      */
-    if (hppa_is_pa20(env)) {
-        env->iasq_f &= ~env->iaoq_f;
-        env->iasq_b &= ~env->iaoq_b;
-    }
+    mask = gva_offset_mask(env->psw);
 
-    cpu_hppa_put_psw(env, env->cr[CR_IPSW]);
+    env->iaoq_f = env->cr[CR_IIAOQ];
+    env->iaoq_b = env->cr_back[1];
+    env->iasq_f = (env->cr[CR_IIASQ] << 32) & ~(env->iaoq_f & mask);
+    env->iasq_b = (env->cr_back[0] << 32) & ~(env->iaoq_b & mask);
 }
 
 static void getshadowregs(CPUHPPAState *env)
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 8a1a8bc3aa..42fa480950 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -44,7 +44,6 @@ typedef struct DisasCond {
 typedef struct DisasContext {
     DisasContextBase base;
     CPUState *cs;
-    TCGOp *insn_start;
 
     uint64_t iaoq_f;
     uint64_t iaoq_b;
@@ -62,6 +61,7 @@ typedef struct DisasContext {
     int privilege;
     bool psw_n_nonzero;
     bool is_pa20;
+    bool insn_start_updated;
 
 #ifdef CONFIG_USER_ONLY
     MemOp unalign;
@@ -300,9 +300,9 @@ void hppa_translate_init(void)
 
 static void set_insn_breg(DisasContext *ctx, int breg)
 {
-    assert(ctx->insn_start != NULL);
-    tcg_set_insn_start_param(ctx->insn_start, 2, breg);
-    ctx->insn_start = NULL;
+    assert(!ctx->insn_start_updated);
+    ctx->insn_start_updated = true;
+    tcg_set_insn_start_param(ctx->base.insn_start, 2, breg);
 }
 
 static DisasCond cond_make_f(void)
@@ -4694,7 +4694,7 @@ static void hppa_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
     DisasContext *ctx = container_of(dcbase, DisasContext, base);
 
     tcg_gen_insn_start(ctx->iaoq_f, ctx->iaoq_b, 0);
-    ctx->insn_start = tcg_last_op();
+    ctx->insn_start_updated = false;
 }
 
 static void hppa_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)