diff options
Diffstat (limited to 'usr.bin/oemu/include/oemu')
| -rw-r--r-- | usr.bin/oemu/include/oemu/cpu.h | 69 | ||||
| -rw-r--r-- | usr.bin/oemu/include/oemu/osmx64.h | 82 | ||||
| -rw-r--r-- | usr.bin/oemu/include/oemu/types.h | 39 |
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_ */ |