[PULL 29/31] cpu: Move CPUClass::get_paging_enabled to SysemuCPUOps

[Richard Henderson]

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210517105140.1062037-23-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/hw/core/cpu.h            | 2 --
 include/hw/core/sysemu-cpu-ops.h | 4 ++++
 hw/core/cpu-sysemu.c             | 4 ++--
 target/i386/cpu.c                | 4 +++-
 4 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 4f6dd24112..e4328de8d4 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -94,7 +94,6 @@ struct SysemuCPUOps;
  * @dump_state: Callback for dumping state.
  * @dump_statistics: Callback for dumping statistics.
  * @get_arch_id: Callback for getting architecture-dependent CPU ID.
- * @get_paging_enabled: Callback for inquiring whether paging is enabled.
  * @set_pc: Callback for setting the Program Counter register. This
  *       should have the semantics used by the target architecture when
  *       setting the PC from a source such as an ELF file entry point;
@@ -137,7 +136,6 @@ struct CPUClass {
     void (*dump_state)(CPUState *cpu, FILE *, int flags);
     void (*dump_statistics)(CPUState *cpu, int flags);
     int64_t (*get_arch_id)(CPUState *cpu);
-    bool (*get_paging_enabled)(const CPUState *cpu);
     void (*set_pc)(CPUState *cpu, vaddr value);
     int (*gdb_read_register)(CPUState *cpu, GByteArray *buf, int reg);
     int (*gdb_write_register)(CPUState *cpu, uint8_t *buf, int reg);
diff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-ops.h
index 213e5287ab..a9ba39e5f2 100644
--- a/include/hw/core/sysemu-cpu-ops.h
+++ b/include/hw/core/sysemu-cpu-ops.h
@@ -21,6 +21,10 @@ typedef struct SysemuCPUOps {
      */
     void (*get_memory_mapping)(CPUState *cpu, MemoryMappingList *list,
                                Error **errp);
+    /**
+     * @get_paging_enabled: Callback for inquiring whether paging is enabled.
+     */
+    bool (*get_paging_enabled)(const CPUState *cpu);
     /**
      * @get_phys_page_debug: Callback for obtaining a physical address.
      */
diff --git a/hw/core/cpu-sysemu.c b/hw/core/cpu-sysemu.c
index 3850fcb27f..00253f8929 100644
--- a/hw/core/cpu-sysemu.c
+++ b/hw/core/cpu-sysemu.c
@@ -27,8 +27,8 @@ bool cpu_paging_enabled(const CPUState *cpu)
 {
     CPUClass *cc = CPU_GET_CLASS(cpu);
 
-    if (cc->get_paging_enabled) {
-        return cc->get_paging_enabled(cpu);
+    if (cc->sysemu_ops->get_paging_enabled) {
+        return cc->sysemu_ops->get_paging_enabled(cpu);
     }
 
     return false;
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index d400feec8f..744afc0ff2 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -6485,12 +6485,14 @@ static int64_t x86_cpu_get_arch_id(CPUState *cs)
     return cpu->apic_id;
 }
 
+#if !defined(CONFIG_USER_ONLY)
 static bool x86_cpu_get_paging_enabled(const CPUState *cs)
 {
     X86CPU *cpu = X86_CPU(cs);
 
     return cpu->env.cr[0] & CR0_PG_MASK;
 }
+#endif /* !CONFIG_USER_ONLY */
 
 static void x86_cpu_set_pc(CPUState *cs, vaddr value)
 {
@@ -6719,6 +6721,7 @@ static Property x86_cpu_properties[] = {
 
 static const struct SysemuCPUOps i386_sysemu_ops = {
     .get_memory_mapping = x86_cpu_get_memory_mapping,
+    .get_paging_enabled = x86_cpu_get_paging_enabled,
     .get_phys_page_attrs_debug = x86_cpu_get_phys_page_attrs_debug,
     .asidx_from_attrs = x86_asidx_from_attrs,
     .get_crash_info = x86_cpu_get_crash_info,
@@ -6754,7 +6757,6 @@ static void x86_cpu_common_class_init(ObjectClass *oc, 
void *data)
     cc->gdb_read_register = x86_cpu_gdb_read_register;
     cc->gdb_write_register = x86_cpu_gdb_write_register;
     cc->get_arch_id = x86_cpu_get_arch_id;
-    cc->get_paging_enabled = x86_cpu_get_paging_enabled;
 
 #ifndef CONFIG_USER_ONLY
     cc->sysemu_ops = &i386_sysemu_ops;
-- 
2.25.1