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[PATCH rc3 03/30] target/avr: Add migration support
From: |
Aleksandar Markovic |
Subject: |
[PATCH rc3 03/30] target/avr: Add migration support |
Date: |
Sun, 26 Jan 2020 23:54:44 +0100 |
From: Michael Rolnik <address@hidden>
Add migration functions for AVR cores.
Co-developed-by: Michael Rolnik <address@hidden>
Co-developed-by: Sarah Harris <address@hidden>
Signed-off-by: Michael Rolnik <address@hidden>
Signed-off-by: Sarah Harris <address@hidden>
Signed-off-by: Michael Rolnik <address@hidden>
Acked-by: Igor Mammedov <address@hidden>
Tested-by: Philippe Mathieu-Daudé <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
---
target/avr/cpu.c | 1 +
target/avr/cpu.h | 4 ++
target/avr/machine.c | 121 +++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 126 insertions(+)
create mode 100644 target/avr/machine.c
diff --git a/target/avr/cpu.c b/target/avr/cpu.c
index 3f3d840..8a9b106 100644
--- a/target/avr/cpu.c
+++ b/target/avr/cpu.c
@@ -212,6 +212,7 @@ static void avr_cpu_class_init(ObjectClass *oc, void *data)
cc->handle_mmu_fault = avr_cpu_handle_mmu_fault;
#else
cc->get_phys_page_debug = avr_cpu_get_phys_page_debug;
+ cc->vmsd = &vms_avr_cpu;
#endif
cc->disas_set_info = avr_cpu_disas_set_info;
cc->tlb_fill = avr_cpu_tlb_fill;
diff --git a/target/avr/cpu.h b/target/avr/cpu.h
index f7a403a..9d08bff 100644
--- a/target/avr/cpu.h
+++ b/target/avr/cpu.h
@@ -115,6 +115,10 @@ typedef struct AVRCPU {
CPUAVRState env;
} AVRCPU;
+#ifndef CONFIG_USER_ONLY
+extern const struct VMStateDescription vms_avr_cpu;
+#endif
+
void avr_cpu_do_interrupt(CPUState *cpu);
bool avr_cpu_exec_interrupt(CPUState *cpu, int int_req);
hwaddr avr_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
diff --git a/target/avr/machine.c b/target/avr/machine.c
new file mode 100644
index 0000000..ba44bd0
--- /dev/null
+++ b/target/avr/machine.c
@@ -0,0 +1,121 @@
+/*
+ * QEMU AVR CPU
+ *
+ * Copyright (c) 2019 Michael Rolnik
+ *
+ * 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 2.1 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/lgpl-2.1.html>
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "migration/cpu.h"
+
+static int get_sreg(QEMUFile *f, void *opaque, size_t size,
+ const VMStateField *field)
+{
+ CPUAVRState *env = opaque;
+ uint8_t sreg;
+
+ sreg = qemu_get_byte(f);
+ cpu_set_sreg(env, sreg);
+ return 0;
+}
+
+static int put_sreg(
+ QEMUFile *f, void *opaque, size_t size,
+ const VMStateField *field, QJSON *vmdesc)
+{
+ CPUAVRState *env = opaque;
+ uint8_t sreg = cpu_get_sreg(env);
+
+ qemu_put_byte(f, sreg);
+ return 0;
+}
+
+static const VMStateInfo vms_sreg = {
+ .name = "sreg",
+ .get = get_sreg,
+ .put = put_sreg,
+};
+
+static int get_segment(
+ QEMUFile *f, void *opaque, size_t size, const VMStateField *field)
+{
+ uint32_t *ramp = opaque;
+ uint8_t temp;
+
+ temp = qemu_get_byte(f);
+ *ramp = ((uint32_t)temp) << 16;
+ return 0;
+}
+
+static int put_segment(
+ QEMUFile *f, void *opaque, size_t size,
+ const VMStateField *field, QJSON *vmdesc)
+{
+ uint32_t *ramp = opaque;
+ uint8_t temp = *ramp >> 16;
+
+ qemu_put_byte(f, temp);
+ return 0;
+}
+
+static const VMStateInfo vms_rampD = {
+ .name = "rampD",
+ .get = get_segment,
+ .put = put_segment,
+};
+static const VMStateInfo vms_rampX = {
+ .name = "rampX",
+ .get = get_segment,
+ .put = put_segment,
+};
+static const VMStateInfo vms_rampY = {
+ .name = "rampY",
+ .get = get_segment,
+ .put = put_segment,
+};
+static const VMStateInfo vms_rampZ = {
+ .name = "rampZ",
+ .get = get_segment,
+ .put = put_segment,
+};
+static const VMStateInfo vms_eind = {
+ .name = "eind",
+ .get = get_segment,
+ .put = put_segment,
+};
+
+const VMStateDescription vms_avr_cpu = {
+ .name = "cpu",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(env.pc_w, AVRCPU),
+ VMSTATE_UINT32(env.sp, AVRCPU),
+ VMSTATE_UINT32(env.skip, AVRCPU),
+
+ VMSTATE_UINT32_ARRAY(env.r, AVRCPU, NUMBER_OF_CPU_REGISTERS),
+
+ VMSTATE_SINGLE(env, AVRCPU, 0, vms_sreg, CPUAVRState),
+ VMSTATE_SINGLE(env.rampD, AVRCPU, 0, vms_rampD, uint32_t),
+ VMSTATE_SINGLE(env.rampX, AVRCPU, 0, vms_rampX, uint32_t),
+ VMSTATE_SINGLE(env.rampY, AVRCPU, 0, vms_rampY, uint32_t),
+ VMSTATE_SINGLE(env.rampZ, AVRCPU, 0, vms_rampZ, uint32_t),
+ VMSTATE_SINGLE(env.eind, AVRCPU, 0, vms_eind, uint32_t),
+
+ VMSTATE_END_OF_LIST()
+ }
+};
--
2.7.4
- Re: [PATCH rc3 01/30] target/avr: Add basic parameters for new AVR platform, (continued)
- Re: [PATCH rc3 01/30] target/avr: Add basic parameters for new AVR platform, Aleksandar Markovic, 2020/01/28
- Re: [PATCH rc3 01/30] target/avr: Add basic parameters for new AVR platform, Michael Rolnik, 2020/01/28
- Re: [PATCH rc3 01/30] target/avr: Add basic parameters for new AVR platform, Aleksandar Markovic, 2020/01/28
- Re: [PATCH rc3 01/30] target/avr: Add basic parameters for new AVR platform, Philippe Mathieu-Daudé, 2020/01/29
- Re: [PATCH rc3 01/30] target/avr: Add basic parameters for new AVR platform, Aleksandar Markovic, 2020/01/29
[PATCH rc3 06/30] target/avr: Add defintions of AVR core types, Aleksandar Markovic, 2020/01/26
[PATCH rc3 12/30] target/avr: Add instruction translation - Bit and Bit-test Instructions, Aleksandar Markovic, 2020/01/26
[PATCH rc3 14/30] target/avr: Add instruction translation - CPU main translation function, Aleksandar Markovic, 2020/01/26
[PATCH rc3 09/30] target/avr: Add instruction translation - Arithmetic and Logic Instructions, Aleksandar Markovic, 2020/01/26
[PATCH rc3 10/30] target/avr: Add instruction translation - Branch Instructions, Aleksandar Markovic, 2020/01/26
[PATCH rc3 03/30] target/avr: Add migration support,
Aleksandar Markovic <=
[PATCH rc3 04/30] target/avr: Add GDB support, Aleksandar Markovic, 2020/01/26
[PATCH rc3 02/30] target/avr: Introduce AVR CPU class object, Aleksandar Markovic, 2020/01/26
Re: [PATCH rc3 02/30] target/avr: Introduce AVR CPU class object, Sarah Harris, 2020/01/29
[PATCH rc3 11/30] target/avr: Add instruction translation - Data Transfer Instructions, Aleksandar Markovic, 2020/01/26