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[PATCH v2 05/12] target/microblaze: Fill in VMStateDescription for cpu
From: |
Richard Henderson |
Subject: |
[PATCH v2 05/12] target/microblaze: Fill in VMStateDescription for cpu |
Date: |
Thu, 3 Sep 2020 00:26:43 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/microblaze/cpu.h | 4 ++
target/microblaze/cpu.c | 8 +--
target/microblaze/machine.c | 112 ++++++++++++++++++++++++++++++++++
target/microblaze/meson.build | 5 +-
4 files changed, 121 insertions(+), 8 deletions(-)
create mode 100644 target/microblaze/machine.c
diff --git a/target/microblaze/cpu.h b/target/microblaze/cpu.h
index 20c2979396..133ebaa4d4 100644
--- a/target/microblaze/cpu.h
+++ b/target/microblaze/cpu.h
@@ -419,4 +419,8 @@ static inline int cpu_mmu_index(CPUMBState *env, bool
ifetch)
return MMU_KERNEL_IDX;
}
+#ifndef CONFIG_USER_ONLY
+extern const VMStateDescription vmstate_mb_cpu;
+#endif
+
#endif
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
index 6392524135..388605ccca 100644
--- a/target/microblaze/cpu.c
+++ b/target/microblaze/cpu.c
@@ -26,7 +26,6 @@
#include "cpu.h"
#include "qemu/module.h"
#include "hw/qdev-properties.h"
-#include "migration/vmstate.h"
#include "exec/exec-all.h"
#include "fpu/softfloat-helpers.h"
@@ -254,11 +253,6 @@ static void mb_cpu_initfn(Object *obj)
#endif
}
-static const VMStateDescription vmstate_mb_cpu = {
- .name = "cpu",
- .unmigratable = 1,
-};
-
static Property mb_properties[] = {
DEFINE_PROP_UINT32("base-vectors", MicroBlazeCPU, cfg.base_vectors, 0),
DEFINE_PROP_BOOL("use-stack-protection", MicroBlazeCPU, cfg.stackprot,
@@ -338,8 +332,8 @@ static void mb_cpu_class_init(ObjectClass *oc, void *data)
#ifndef CONFIG_USER_ONLY
cc->do_transaction_failed = mb_cpu_transaction_failed;
cc->get_phys_page_debug = mb_cpu_get_phys_page_debug;
-#endif
dc->vmsd = &vmstate_mb_cpu;
+#endif
device_class_set_props(dc, mb_properties);
cc->gdb_num_core_regs = 32 + 27;
diff --git a/target/microblaze/machine.c b/target/microblaze/machine.c
new file mode 100644
index 0000000000..aad3c5d1d3
--- /dev/null
+++ b/target/microblaze/machine.c
@@ -0,0 +1,112 @@
+/*
+ * Microblaze VMState for qemu.
+ *
+ * Copyright (c) 2020 Linaro, Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "migration/cpu.h"
+
+
+static VMStateField vmstate_mmu_fields[] = {
+ VMSTATE_UINT64_2DARRAY(rams, MicroBlazeMMU, 2, TLB_ENTRIES),
+ VMSTATE_UINT8_ARRAY(tids, MicroBlazeMMU, TLB_ENTRIES),
+ VMSTATE_UINT32_ARRAY(regs, MicroBlazeMMU, 3),
+ VMSTATE_INT32(c_mmu, MicroBlazeMMU),
+ VMSTATE_INT32(c_mmu_tlb_access, MicroBlazeMMU),
+ VMSTATE_INT32(c_mmu_zones, MicroBlazeMMU),
+ VMSTATE_UINT64(c_addr_mask, MicroBlazeMMU),
+ VMSTATE_END_OF_LIST()
+};
+
+static const VMStateDescription vmstate_mmu = {
+ .name = "mmu",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .fields = vmstate_mmu_fields,
+};
+
+static int get_msr(QEMUFile *f, void *opaque, size_t size,
+ const VMStateField *field)
+{
+ CPUMBState *env = container_of(opaque, CPUMBState, msr);
+
+ mb_cpu_write_msr(env, qemu_get_be32(f));
+ return 0;
+}
+
+static int put_msr(QEMUFile *f, void *opaque, size_t size,
+ const VMStateField *field, QJSON *vmdesc)
+{
+ CPUMBState *env = container_of(opaque, CPUMBState, msr);
+
+ qemu_put_be32(f, mb_cpu_read_msr(env));
+ return 0;
+}
+
+static const VMStateInfo vmstate_msr = {
+ .name = "msr",
+ .get = get_msr,
+ .put = put_msr,
+};
+
+static VMStateField vmstate_env_fields[] = {
+ VMSTATE_UINT32_ARRAY(regs, CPUMBState, 32),
+
+ VMSTATE_UINT32(pc, CPUMBState),
+ VMSTATE_SINGLE(msr, CPUMBState, 0, vmstate_msr, uint32_t),
+ VMSTATE_UINT32(esr, CPUMBState),
+ VMSTATE_UINT32(fsr, CPUMBState),
+ VMSTATE_UINT32(btr, CPUMBState),
+ VMSTATE_UINT32(edr, CPUMBState),
+ VMSTATE_UINT32(slr, CPUMBState),
+ VMSTATE_UINT32(shr, CPUMBState),
+ VMSTATE_UINT64(ear, CPUMBState),
+
+ VMSTATE_UINT32(btarget, CPUMBState),
+ VMSTATE_UINT32(imm, CPUMBState),
+ VMSTATE_UINT32(iflags, CPUMBState),
+
+ VMSTATE_UINT32(res_val, CPUMBState),
+ VMSTATE_UINTTL(res_addr, CPUMBState),
+
+ VMSTATE_UINT32_ARRAY(pvr.regs, CPUMBState, 13),
+
+ VMSTATE_STRUCT(mmu, CPUMBState, 0, vmstate_mmu, MicroBlazeMMU),
+
+ VMSTATE_END_OF_LIST()
+};
+
+static const VMStateDescription vmstate_env = {
+ .name = "env",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .fields = vmstate_env_fields,
+};
+
+static VMStateField vmstate_cpu_fields[] = {
+ VMSTATE_CPU(),
+ VMSTATE_STRUCT(env, MicroBlazeCPU, 1, vmstate_env, CPUMBState),
+ VMSTATE_END_OF_LIST()
+};
+
+const VMStateDescription vmstate_mb_cpu = {
+ .name = "cpu",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .fields = vmstate_cpu_fields,
+};
diff --git a/target/microblaze/meson.build b/target/microblaze/meson.build
index 639c3f73a8..05ee0ec163 100644
--- a/target/microblaze/meson.build
+++ b/target/microblaze/meson.build
@@ -11,7 +11,10 @@ microblaze_ss.add(files(
))
microblaze_softmmu_ss = ss.source_set()
-microblaze_softmmu_ss.add(files('mmu.c'))
+microblaze_softmmu_ss.add(files(
+ 'mmu.c',
+ 'machine.c',
+))
target_arch += {'microblaze': microblaze_ss}
target_softmmu_arch += {'microblaze': microblaze_softmmu_ss}
--
2.25.1
- [PATCH v2 00/12] target/microblaze improvements, Richard Henderson, 2020/09/03
- [PATCH v2 06/12] target/microblaze: Rename DISAS_UPDATE to DISAS_EXIT, Richard Henderson, 2020/09/03
- [PATCH v2 07/12] target/microblaze: Introduce DISAS_EXIT_NEXT, DISAS_EXIT_JUMP, Richard Henderson, 2020/09/03
- [PATCH v2 08/12] target/microblaze: Replace cpustate_changed with DISAS_EXIT_NEXT, Richard Henderson, 2020/09/03
- [PATCH v2 09/12] target/microblaze: Handle DISAS_EXIT_NEXT in delay slot, Richard Henderson, 2020/09/03
- [PATCH v2 11/12] target/microblaze: Use tcg_gen_lookup_and_goto_ptr, Richard Henderson, 2020/09/03
- [PATCH v2 10/12] target/microblaze: Force rtid, rted, rtbd to exit, Richard Henderson, 2020/09/03