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-rw-r--r--usr.bin/oemu/include/oemu/cpu.h69
-rw-r--r--usr.bin/oemu/include/oemu/osmx64.h82
-rw-r--r--usr.bin/oemu/include/oemu/types.h39
3 files changed, 190 insertions, 0 deletions
diff --git a/usr.bin/oemu/include/oemu/cpu.h b/usr.bin/oemu/include/oemu/cpu.h
new file mode 100644
index 0000000..df4cc80
--- /dev/null
+++ b/usr.bin/oemu/include/oemu/cpu.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _OEMU_CPU_H_
+#define _OEMU_CPU_H_
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <oemu/types.h>
+
+#define MEMORY_SIZE 512
+
+/*
+ * System memory
+ *
+ * @mem: Data
+ * @mem_size: Memory size max
+ */
+struct sysmem {
+ void *mem;
+ size_t mem_size;
+};
+
+/*
+ * CPU register state
+ *
+ * @xreg: X<n>
+ * @ip: Instruction pointer
+ */
+struct cpu_regs {
+ reg_t xreg[16];
+ reg_t ip;
+};
+
+struct oemu_cpu {
+ struct cpu_regs regs;
+};
+
+void cpu_reset(struct oemu_cpu *cpu);
+void cpu_kick(struct oemu_cpu *cpu, struct sysmem *mem);
+
+#endif /* !_OEMU_CPU_H_ */
diff --git a/usr.bin/oemu/include/oemu/osmx64.h b/usr.bin/oemu/include/oemu/osmx64.h
new file mode 100644
index 0000000..d7ea8b1
--- /dev/null
+++ b/usr.bin/oemu/include/oemu/osmx64.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _OEMU_OSMX64_H_
+#define _OEMU_OSMX64_H_
+
+#include <stdint.h>
+
+/* Opcodes */
+#define INST_NOP 0x00 /* No-operation */
+#define INST_ADD 0x01 /* Add operation */
+#define INST_SUB 0x02 /* Sub operation */
+#define INST_MUL 0x03 /* Multiply operation */
+#define INST_DIV 0x04 /* Divide operation */
+#define INST_INC 0x05 /* Increment operation */
+#define INST_DEC 0x06 /* Decrement operation */
+#define INST_OR 0x07 /* Bitwise OR operation */
+#define INST_XOR 0x08 /* Bitwise XOR operation */
+#define INST_AND 0x09 /* Bitwise AND operation */
+#define INST_NOT 0x10 /* Bitwise NOT operation */
+#define INST_SLL 0x11 /* Shift left logical operation */
+#define INST_SRL 0x12 /* Shift right logical operation */
+#define INST_MOV_IMM 0x13 /* Data move operation from IMM */
+
+/* Registers */
+#define REG_X0 0x00
+#define REG_X1 0x01
+#define REG_X2 0x02
+#define REG_X3 0x03
+#define REG_X4 0x04
+#define REG_X5 0x05
+#define REG_X6 0x06
+#define REG_X7 0x07
+#define REG_X8 0x08
+#define REG_X9 0x09
+#define REG_X10 0x0A
+#define REG_X11 0x0B
+#define REG_X12 0x0C
+#define REG_X13 0x0D
+#define REG_X14 0x0E
+#define REG_X15 0x0F
+#define REG_BAD 0xFF
+
+/*
+ * OSMX64 instruction format
+ */
+typedef struct {
+ uint8_t opcode;
+ uint8_t rd;
+ union {
+ uint16_t imm;
+ uint16_t unused;
+ };
+} inst_t;
+
+#endif /* !_OEMU_OSMX64_H_ */
diff --git a/usr.bin/oemu/include/oemu/types.h b/usr.bin/oemu/include/oemu/types.h
new file mode 100644
index 0000000..0769c84
--- /dev/null
+++ b/usr.bin/oemu/include/oemu/types.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _OEMU_TYPES_H_
+#define _OEMU_TYPES_H_
+
+#include <sys/types.h>
+
+typedef uint64_t reg_t;
+typedef uintptr_t paddr_t;
+typedef uint16_t imm_t;
+
+#endif /* !_OEMU_TYPES_H_ */