Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210205' into staging

TCGCPUOps cleanups (claudio)
tcg/s390 compare fix (phil)
tcg/aarch64 rotli_vec fix
tcg/tci cleanups and fixes

# gpg: Signature made Fri 05 Feb 2021 22:55:10 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth-gitlab/tags/pull-tcg-20210205: (46 commits)
  accel: introduce AccelCPUClass extending CPUClass
  accel: replace struct CpusAccel with AccelOpsClass
  accel: extend AccelState and AccelClass to user-mode
  cpu: tcg_ops: move to tcg-cpu-ops.h, keep a pointer in CPUClass
  cpu: move debug_check_watchpoint to tcg_ops
  cpu: move adjust_watchpoint_address to tcg_ops
  physmem: make watchpoint checking code TCG-only
  cpu: move do_unaligned_access to tcg_ops
  cpu: move cc->transaction_failed to tcg_ops
  cpu: move cc->do_interrupt to tcg_ops
  target/arm: do not use cc->do_interrupt for KVM directly
  cpu: Move debug_excp_handler to tcg_ops
  cpu: Move tlb_fill to tcg_ops
  cpu: Move cpu_exec_* to tcg_ops
  cpu: Move synchronize_from_tb() to tcg_ops
  accel/tcg: split TCG-only code from cpu_exec_realizefn
  target/riscv: remove CONFIG_TCG, as it is always TCG
  cpu: Introduce TCGCpuOperations struct
  tcg/tci: Remove TCG_CONST
  tcg/tci: Fix TCG_REG_R4 misusage
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 100 insertions, 0 deletions

diff --git a/accel/accel-softmmu.c b/accel/accel-softmmu.c
new file mode 100644
index 0000000000..50fa5acaa4
--- /dev/null
+++ b/accel/accel-softmmu.c
@@ -0,0 +1,100 @@
+/*
+ * QEMU accel class, system emulation components
+ *
+ * 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 "hw/boards.h"
+#include "sysemu/cpus.h"
+
+#include "accel-softmmu.h"
+
+int accel_init_machine(AccelState *accel, MachineState *ms)
+{
+    AccelClass *acc = ACCEL_GET_CLASS(accel);
+    int ret;
+    ms->accelerator = accel;
+    *(acc->allowed) = true;
+    ret = acc->init_machine(ms);
+    if (ret < 0) {
+        ms->accelerator = NULL;
+        *(acc->allowed) = false;
+        object_unref(OBJECT(accel));
+    } else {
+        object_set_accelerator_compat_props(acc->compat_props);
+    }
+    return ret;
+}
+
+AccelState *current_accel(void)
+{
+    return current_machine->accelerator;
+}
+
+void accel_setup_post(MachineState *ms)
+{
+    AccelState *accel = ms->accelerator;
+    AccelClass *acc = ACCEL_GET_CLASS(accel);
+    if (acc->setup_post) {
+        acc->setup_post(ms, accel);
+    }
+}
+
+/* initialize the arch-independent accel operation interfaces */
+void accel_init_ops_interfaces(AccelClass *ac)
+{
+    const char *ac_name;
+    char *ops_name;
+    AccelOpsClass *ops;
+
+    ac_name = object_class_get_name(OBJECT_CLASS(ac));
+    g_assert(ac_name != NULL);
+
+    ops_name = g_strdup_printf("%s" ACCEL_OPS_SUFFIX, ac_name);
+    ops = ACCEL_OPS_CLASS(object_class_by_name(ops_name));
+    g_free(ops_name);
+
+    /*
+     * all accelerators need to define ops, providing at least a mandatory
+     * non-NULL create_vcpu_thread operation.
+     */
+    g_assert(ops != NULL);
+    if (ops->ops_init) {
+        ops->ops_init(ops);
+    }
+    cpus_register_accel(ops);
+}
+
+static const TypeInfo accel_ops_type_info = {
+    .name = TYPE_ACCEL_OPS,
+    .parent = TYPE_OBJECT,
+    .abstract = true,
+    .class_size = sizeof(AccelOpsClass),
+};
+
+static void accel_softmmu_register_types(void)
+{
+    type_register_static(&accel_ops_type_info);
+}
+type_init(accel_softmmu_register_types);