[PATCH v2 42/53] hw/core: introduce a 'format_tlb' callback

["Daniel P. Berrangé" <berrange@redhat.com>]

This will allow us to reduce duplication between the different targets
implementing the 'info tlb' command.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 hw/core/cpu-common.c  |  9 +++++++++
 include/hw/core/cpu.h | 11 +++++++++++
 2 files changed, 20 insertions(+)

diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c
index ffd9b9e07e..9b11ec3c8d 100644
--- a/hw/core/cpu-common.c
+++ b/hw/core/cpu-common.c
@@ -123,6 +123,15 @@ void cpu_format_state(CPUState *cpu, GString *buf, int flags)
     }
 }
 
+void cpu_format_tlb(CPUState *cpu, GString *buf)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    if (cc->format_tlb) {
+        cc->format_tlb(cpu, buf);
+    }
+}
+
 void cpu_reset(CPUState *cpu)
 {
     device_cold_reset(DEVICE(cpu));
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 4c47e1df18..64fc57c8d9 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -92,6 +92,7 @@ struct SysemuCPUOps;
  * @has_work: Callback for checking if there is work to do.
  * @memory_rw_debug: Callback for GDB memory access.
  * @format_state: Callback for formatting state.
+ * @format_tlb: Callback for formatting memory mappings
  * @get_arch_id: Callback for getting architecture-dependent CPU ID.
  * @set_pc: Callback for setting the Program Counter register. This
  *       should have the semantics used by the target architecture when
@@ -136,6 +137,7 @@ struct CPUClass {
     int (*memory_rw_debug)(CPUState *cpu, vaddr addr,
                            uint8_t *buf, int len, bool is_write);
     void (*format_state)(CPUState *cpu, GString *buf, int flags);
+    void (*format_tlb)(CPUState *cpu, GString *buf);
     int64_t (*get_arch_id)(CPUState *cpu);
     void (*set_pc)(CPUState *cpu, vaddr value);
     int (*gdb_read_register)(CPUState *cpu, GByteArray *buf, int reg);
@@ -546,6 +548,15 @@ void cpu_dump_state(CPUState *cpu, FILE *f, int flags);
  */
 void cpu_format_state(CPUState *cpu, GString *buf, int flags);
 
+/**
+ * cpu_format_tlb:
+ * @cpu: The CPU whose memory mappings are to be formatted.
+ * @buf: buffer to format state into
+ *
+ * Formats the memory mappings
+ */
+void cpu_format_tlb(CPUState *cpu, GString *buf);
+
 #ifndef CONFIG_USER_ONLY
 /**
  * cpu_get_phys_page_attrs_debug:
-- 
2.31.1