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diff --git a/include/hw/riscv/mta1_mkdf.h b/include/hw/riscv/mta1_mkdf.h
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+/*
+ * QEMU RISC-V Board Compatible with Mullvad MTA1-MKDF platform
+ *
+ * Copyright (c) 2022 Mullvad VPN AB
+ *
+ * Provides a board compatible with the Mullvad MTA1-MKDF platform:
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_MTA1_MKDF_H
+#define HW_MTA1_MKDF_H
+
+#include "hw/boards.h"
+#include "hw/riscv/riscv_hart.h"
+#include "qom/object.h"
+#include "chardev/char-fe.h"
+
+#include "hw/riscv/mta1_mkdf_mem.h"
+
+#define MTA1_MKDF_RX_FIFO_SIZE 16
+
+typedef struct MTA1MKDFState {
+ /*< private >*/
+ MachineState parent_obj;
+
+ /*< public >*/
+ RISCVHartArrayState cpus;
+ MemoryRegion rom;
+ MemoryRegion mmio;
+
+ CharBackend fifo_chr;
+ char *fifo_chr_name;
+ uint8_t fifo_rx[MTA1_MKDF_RX_FIFO_SIZE];
+ uint8_t fifo_rx_len;
+ bool app_mode;
+ uint32_t app_addr;
+ uint32_t app_size;
+ uint32_t uds[8]; // 32 bytes
+ bool block_uds[8];
+ uint32_t uda[4]; // 16 bytes
+ uint32_t led;
+ uint32_t cdi[8]; // 32 bytes
+ uint32_t udi[2]; // 8 bytes
+} MTA1MKDFState;
+
+#define TYPE_MTA1_MKDF_MACHINE MACHINE_TYPE_NAME("mta1_mkdf")
+#define MTA1_MKDF_MACHINE(obj) \
+ OBJECT_CHECK(MTA1MKDFState, (obj), TYPE_MTA1_MKDF_MACHINE)
+
+enum {
+ MTA1_MKDF_ROM,
+ MTA1_MKDF_RAM,
+ MTA1_MKDF_MMIO,
+};
+
+#endif