[1/7] qemu: Introduce target_cpu_type()

Commit Message

Philippe Mathieu-Daudé April 17, 2025, 4:54 p.m. UTC

Introduce the target_cpu_type() helper to access the
CPU_RESOLVING_TYPE target-specific definition from
target-agnostic code.

Reviewed-by: Pierrick Bouvier <[e-mail]>
Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
---
 MAINTAINERS                |  2 ++
 meson.build                |  2 ++
 include/qemu/target_info.h | 19 +++++++++++++++++++
 target_info-defs.c         | 16 ++++++++++++++++
 4 files changed, 39 insertions(+)
 create mode 100644 include/qemu/target_info.h
 create mode 100644 target_info-defs.c

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index c7083ab1d93..07ca088f7e8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -495,6 +495,7 @@  F: include/exec/cpu*.h
 F: include/exec/exec-all.h
 F: include/exec/target_long.h
 F: include/qemu/accel.h
+F: include/qemu/target_info.h
 F: include/system/accel-*.h
 F: include/system/cpus.h
 F: include/accel/accel-cpu-target.h
@@ -503,6 +504,7 @@  F: accel/Makefile.objs
 F: accel/stubs/Makefile.objs
 F: cpu-common.c
 F: cpu-target.c
+F: target_info-defs.c
 F: system/cpus.c
 
 Apple Silicon HVF CPUs
diff --git a/meson.build b/meson.build
index bcb9d39a387..ad324d46428 100644
--- a/meson.build
+++ b/meson.build
@@ -3807,6 +3807,8 @@  endif
 common_ss.add(pagevary)
 specific_ss.add(files('page-target.c', 'page-vary-target.c'))
 
+specific_ss.add(files('target_info-defs.c'))
+
 subdir('backends')
 subdir('disas')
 subdir('migration')
diff --git a/include/qemu/target_info.h b/include/qemu/target_info.h
new file mode 100644
index 00000000000..a53e632e735
--- /dev/null
+++ b/include/qemu/target_info.h
@@ -0,0 +1,19 @@ 
+/*
+ * QEMU binary/target helpers
+ *
+ *  Copyright (c) Linaro
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef QEMU_TARGET_INFO_H
+#define QEMU_TARGET_INFO_H
+
+/**
+ * target_cpu_type:
+ *
+ * Returns: target CPU base QOM type name (i.e. TYPE_X86_CPU).
+ */
+const char *target_cpu_type(void);
+
+#endif
diff --git a/target_info-defs.c b/target_info-defs.c
new file mode 100644
index 00000000000..3ee89469855
--- /dev/null
+++ b/target_info-defs.c
@@ -0,0 +1,16 @@ 
+/*
+ * QEMU binary/target helpers (target specific)
+ *
+ *  Copyright (c) Linaro
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/target_info.h"
+#include "cpu.h"
+
+const char *target_cpu_type(void)
+{
+    return CPU_RESOLVING_TYPE;
+}