target/arm: Move GTimer definitions to new 'gtimer.h' header

Move Arm A-class Generic Timer definitions to the new
"target/arm/gtimer.h" header so units in hw/ which don't
need access to ARMCPU internals can use them without
having to include the huge "cpu.h".

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-20-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

7 files changed, 27 insertions, 7 deletions

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 4807a4fea0..b60e103046 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -49,6 +49,7 @@
 #include "fpu/softfloat.h"
 #include "cpregs.h"
 #include "target/arm/cpu-qom.h"
+#include "target/arm/gtimer.h"
 
 static void arm_cpu_set_pc(CPUState *cs, vaddr value)
 {
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index e8df41d642..d3477b1601 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -27,6 +27,7 @@
 #include "exec/cpu-defs.h"
 #include "qapi/qapi-types-common.h"
 #include "target/arm/multiprocessing.h"
+#include "target/arm/gtimer.h"
 
 /* ARM processors have a weak memory model */
 #define TCG_GUEST_DEFAULT_MO      (0)
@@ -140,13 +141,6 @@ typedef struct ARMGenericTimer {
     uint64_t ctl; /* Timer Control register */
 } ARMGenericTimer;
 
-#define GTIMER_PHYS     0
-#define GTIMER_VIRT     1
-#define GTIMER_HYP      2
-#define GTIMER_SEC      3
-#define GTIMER_HYPVIRT  4
-#define NUM_GTIMERS     5
-
 #define VTCR_NSW (1u << 29)
 #define VTCR_NSA (1u << 30)
 #define VSTCR_SW VTCR_NSW
diff --git a/target/arm/gtimer.h b/target/arm/gtimer.h
new file mode 100644
index 0000000000..b992941bef
--- /dev/null
+++ b/target/arm/gtimer.h
@@ -0,0 +1,21 @@
+/*
+ * ARM generic timer definitions for Arm A-class CPU
+ *
+ *  Copyright (c) 2003 Fabrice Bellard
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#ifndef TARGET_ARM_GTIMER_H
+#define TARGET_ARM_GTIMER_H
+
+enum {
+    GTIMER_PHYS     = 0,
+    GTIMER_VIRT     = 1,
+    GTIMER_HYP      = 2,
+    GTIMER_SEC      = 3,
+    GTIMER_HYPVIRT  = 4,
+#define NUM_GTIMERS   5
+};
+
+#endif
diff --git a/target/arm/helper.c b/target/arm/helper.c
index e07b2af8a3..945d8571a6 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -30,6 +30,7 @@
 #include "semihosting/common-semi.h"
 #endif
 #include "cpregs.h"
+#include "target/arm/gtimer.h"
 
 #define ARM_CPU_FREQ 1000000000 /* FIXME: 1 GHz, should be configurable */
 
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 71a26db188..e5f0f60093 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -29,6 +29,7 @@
 #include "target/arm/cpu.h"
 #include "target/arm/internals.h"
 #include "target/arm/multiprocessing.h"
+#include "target/arm/gtimer.h"
 #include "trace/trace-target_arm_hvf.h"
 #include "migration/vmstate.h"
 
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 8f52b211f9..81813030a5 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -38,6 +38,7 @@
 #include "qemu/log.h"
 #include "hw/acpi/acpi.h"
 #include "hw/acpi/ghes.h"
+#include "target/arm/gtimer.h"
 
 const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
     KVM_CAP_LAST_INFO
diff --git a/target/arm/machine.c b/target/arm/machine.c
index 542be14bec..9d7dbaea54 100644
--- a/target/arm/machine.c
+++ b/target/arm/machine.c
@@ -7,6 +7,7 @@
 #include "internals.h"
 #include "cpu-features.h"
 #include "migration/cpu.h"
+#include "target/arm/gtimer.h"
 
 static bool vfp_needed(void *opaque)
 {