[PATCH 12/61] target/hppa: Introduce TYPE_HPPA64_CPU

[Richard Henderson <richard.henderson@linaro.org>]

Prepare for the qemu binary supporting both pa10 and pa20
at the same time.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/hppa/cpu-qom.h   |  1 +
 target/hppa/cpu.h       |  7 +++++++
 target/hppa/cpu.c       | 17 +++++++++++++++++
 target/hppa/translate.c |  3 +++
 4 files changed, 28 insertions(+)

diff --git a/target/hppa/cpu-qom.h b/target/hppa/cpu-qom.h
index b96e0318c7..4a85ebf5e0 100644
--- a/target/hppa/cpu-qom.h
+++ b/target/hppa/cpu-qom.h
@@ -24,6 +24,7 @@
 #include "qom/object.h"
 
 #define TYPE_HPPA_CPU "hppa-cpu"
+#define TYPE_HPPA64_CPU "hppa64-cpu"
 
 OBJECT_DECLARE_CPU_TYPE(HPPACPU, HPPACPUClass, HPPA_CPU)
 
diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h
index 798d0c26d7..743fc90e14 100644
--- a/target/hppa/cpu.h
+++ b/target/hppa/cpu.h
@@ -239,10 +239,17 @@ struct ArchCPU {
 
     CPUHPPAState env;
     QEMUTimer *alarm_timer;
+
+    bool is_pa20;
 };
 
 #include "exec/cpu-all.h"
 
+static inline bool hppa_is_pa20(HPPACPU *cpu)
+{
+    return cpu->is_pa20;
+}
+
 static inline int cpu_mmu_index(CPUHPPAState *env, bool ifetch)
 {
 #ifdef CONFIG_USER_ONLY
diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index 1644297bf8..ed5b6afd10 100644
--- a/target/hppa/cpu.c
+++ b/target/hppa/cpu.c
@@ -218,9 +218,26 @@ static const TypeInfo hppa_cpu_type_info = {
     .class_init = hppa_cpu_class_init,
 };
 
+#ifdef TARGET_HPPA64
+static void hppa64_cpu_initfn(Object *obj)
+{
+    HPPACPU *cpu = HPPA_CPU(obj);
+    cpu->is_pa20 = true;
+}
+
+static const TypeInfo hppa64_cpu_type_info = {
+    .name = TYPE_HPPA64_CPU,
+    .parent = TYPE_HPPA_CPU,
+    .instance_init = hppa64_cpu_initfn,
+};
+#endif
+
 static void hppa_cpu_register_types(void)
 {
     type_register_static(&hppa_cpu_type_info);
+#ifdef TARGET_HPPA64
+    type_register_static(&hppa64_cpu_type_info);
+#endif
 }
 
 type_init(hppa_cpu_register_types)
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index f86ea9b9ca..9d6670f91c 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -262,6 +262,7 @@ typedef struct DisasContext {
     int mmu_idx;
     int privilege;
     bool psw_n_nonzero;
+    bool is_pa20;
 
 #ifdef CONFIG_USER_ONLY
     MemOp unalign;
@@ -4087,10 +4088,12 @@ static bool trans_diag(DisasContext *ctx, arg_diag *a)
 static void hppa_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
 {
     DisasContext *ctx = container_of(dcbase, DisasContext, base);
+    HPPACPU *cpu = HPPA_CPU(cs);
     int bound;
 
     ctx->cs = cs;
     ctx->tb_flags = ctx->base.tb->flags;
+    ctx->is_pa20 = cpu->is_pa20;
 
 #ifdef CONFIG_USER_ONLY
     ctx->privilege = MMU_IDX_TO_PRIV(MMU_USER_IDX);
-- 
2.34.1