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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2023-09-14 20:57:11 +0200
committerRichard Henderson <richard.henderson@linaro.org>2023-10-04 11:03:54 -0700
commite8b845b9b1a172c367bb77e16498664290736ad6 (patch)
tree8fb374cd51c67cbac38d880eb44de18280ee6c3a /accel/accel-target.c
parentc9955713e9d275980ca2177cf7fbc94b49bc89e5 (diff)
accel: Rename accel-common.c -> accel-target.c
We use the '-common.c' suffix for target agnostic units. This file is target specific, rename it using the '-target' suffix. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Anton Johansson <anjo@rev.ng> Message-Id: <20230914185718.76241-6-philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel/accel-target.c')
-rw-r--r--accel/accel-target.c176
1 files changed, 176 insertions, 0 deletions
diff --git a/accel/accel-target.c b/accel/accel-target.c
new file mode 100644
index 0000000000..11d74b4ad7
--- /dev/null
+++ b/accel/accel-target.c
@@ -0,0 +1,176 @@
+/*
+ * QEMU accel class, components common to system emulation and user mode
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2014 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/accel.h"
+
+#include "cpu.h"
+#include "hw/core/accel-cpu.h"
+
+#ifndef CONFIG_USER_ONLY
+#include "accel-softmmu.h"
+#endif /* !CONFIG_USER_ONLY */
+
+static const TypeInfo accel_type = {
+ .name = TYPE_ACCEL,
+ .parent = TYPE_OBJECT,
+ .class_size = sizeof(AccelClass),
+ .instance_size = sizeof(AccelState),
+};
+
+/* Lookup AccelClass from opt_name. Returns NULL if not found */
+AccelClass *accel_find(const char *opt_name)
+{
+ char *class_name = g_strdup_printf(ACCEL_CLASS_NAME("%s"), opt_name);
+ AccelClass *ac = ACCEL_CLASS(module_object_class_by_name(class_name));
+ g_free(class_name);
+ return ac;
+}
+
+/* Return the name of the current accelerator */
+const char *current_accel_name(void)
+{
+ AccelClass *ac = ACCEL_GET_CLASS(current_accel());
+
+ return ac->name;
+}
+
+static void accel_init_cpu_int_aux(ObjectClass *klass, void *opaque)
+{
+ CPUClass *cc = CPU_CLASS(klass);
+ AccelCPUClass *accel_cpu = opaque;
+
+ /*
+ * The first callback allows accel-cpu to run initializations
+ * for the CPU, customizing CPU behavior according to the accelerator.
+ *
+ * The second one allows the CPU to customize the accel-cpu
+ * behavior according to the CPU.
+ *
+ * The second is currently only used by TCG, to specialize the
+ * TCGCPUOps depending on the CPU type.
+ */
+ cc->accel_cpu = accel_cpu;
+ if (accel_cpu->cpu_class_init) {
+ accel_cpu->cpu_class_init(cc);
+ }
+ if (cc->init_accel_cpu) {
+ cc->init_accel_cpu(accel_cpu, cc);
+ }
+}
+
+/* initialize the arch-specific accel CpuClass interfaces */
+static void accel_init_cpu_interfaces(AccelClass *ac)
+{
+ const char *ac_name; /* AccelClass name */
+ char *acc_name; /* AccelCPUClass name */
+ ObjectClass *acc; /* AccelCPUClass */
+
+ ac_name = object_class_get_name(OBJECT_CLASS(ac));
+ g_assert(ac_name != NULL);
+
+ acc_name = g_strdup_printf("%s-%s", ac_name, CPU_RESOLVING_TYPE);
+ acc = object_class_by_name(acc_name);
+ g_free(acc_name);
+
+ if (acc) {
+ object_class_foreach(accel_init_cpu_int_aux,
+ CPU_RESOLVING_TYPE, false, acc);
+ }
+}
+
+void accel_init_interfaces(AccelClass *ac)
+{
+#ifndef CONFIG_USER_ONLY
+ accel_init_ops_interfaces(ac);
+#endif /* !CONFIG_USER_ONLY */
+
+ accel_init_cpu_interfaces(ac);
+}
+
+void accel_cpu_instance_init(CPUState *cpu)
+{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+
+ if (cc->accel_cpu && cc->accel_cpu->cpu_instance_init) {
+ cc->accel_cpu->cpu_instance_init(cpu);
+ }
+}
+
+bool accel_cpu_common_realize(CPUState *cpu, Error **errp)
+{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+ AccelState *accel = current_accel();
+ AccelClass *acc = ACCEL_GET_CLASS(accel);
+
+ /* target specific realization */
+ if (cc->accel_cpu && cc->accel_cpu->cpu_target_realize
+ && !cc->accel_cpu->cpu_target_realize(cpu, errp)) {
+ return false;
+ }
+
+ /* generic realization */
+ if (acc->cpu_common_realize && !acc->cpu_common_realize(cpu, errp)) {
+ return false;
+ }
+
+ return true;
+}
+
+void accel_cpu_common_unrealize(CPUState *cpu)
+{
+ AccelState *accel = current_accel();
+ AccelClass *acc = ACCEL_GET_CLASS(accel);
+
+ /* generic unrealization */
+ if (acc->cpu_common_unrealize) {
+ acc->cpu_common_unrealize(cpu);
+ }
+}
+
+int accel_supported_gdbstub_sstep_flags(void)
+{
+ AccelState *accel = current_accel();
+ AccelClass *acc = ACCEL_GET_CLASS(accel);
+ if (acc->gdbstub_supported_sstep_flags) {
+ return acc->gdbstub_supported_sstep_flags();
+ }
+ return 0;
+}
+
+static const TypeInfo accel_cpu_type = {
+ .name = TYPE_ACCEL_CPU,
+ .parent = TYPE_OBJECT,
+ .abstract = true,
+ .class_size = sizeof(AccelCPUClass),
+};
+
+static void register_accel_types(void)
+{
+ type_register_static(&accel_type);
+ type_register_static(&accel_cpu_type);
+}
+
+type_init(register_accel_types);