diff options
| author | Amlal El Mahrouss <amlal@nekernel.org> | 2025-08-22 15:39:40 +0200 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal@nekernel.org> | 2025-08-22 15:39:40 +0200 |
| commit | 209373b1f5770dc175e06996a152df6484f59af2 (patch) | |
| tree | 93801515752e81a7ce9e5de91bf625d03bb9b4fa /dev/CompilerKit/impl/64x0.h | |
| parent | a7b7a7d499578660be897313b30a13963cc9ffd5 (diff) | |
feat: implement `CompilerKitDylibTraits` container for future and
current frontend
tools.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
Diffstat (limited to 'dev/CompilerKit/impl/64x0.h')
| -rw-r--r-- | dev/CompilerKit/impl/64x0.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/dev/CompilerKit/impl/64x0.h b/dev/CompilerKit/impl/64x0.h new file mode 100644 index 0000000..116c5ae --- /dev/null +++ b/dev/CompilerKit/impl/64x0.h @@ -0,0 +1,100 @@ +/* ------------------------------------------- + + Copyright (C) 2024-2025 Amlal EL Mahrouss, all rights reserved + +------------------------------------------- */ + +#pragma once + +#include <CompilerKit/Defines.h> +#include <vector> + +// @brief Open64x0 support. +// @file impl/64x0.h + +#define CK_ASM_OPCODE(__NAME, __OPCODE, __FUNCT3, __FUNCT7) \ + {.fName = __NAME, .fOpcode = __OPCODE, .fFunct3 = __FUNCT3, .fFunct7 = __FUNCT7}, + +#define kAsmImmediate 0x01 +#define kAsmRegToReg 0x02 +#define kAsmSyscall 0x03 +#define kAsmJump 0x04 +#define kAsmNoArgs 0x00 + +typedef char e64k_character_t; +typedef uint8_t e64k_num_t; + +struct CpuOpcode64x0 { + const e64k_character_t fName[32]; + e64k_num_t fOpcode; + e64k_num_t fFunct3; + e64k_num_t fFunct7; +}; + +inline std::vector<CpuOpcode64x0> kOpcodes64x0 = { + CK_ASM_OPCODE("nop", 0b0000000, 0b0000000, kAsmNoArgs) // no-operation. + CK_ASM_OPCODE("np", 0b0000000, 0b0000000, kAsmNoArgs) // no-operation. + CK_ASM_OPCODE("jlr", 0b1110011, 0b0000111, + kAsmJump) // jump to linked return register + CK_ASM_OPCODE("jrl", 0b1110011, 0b0001111, + kAsmJump) // jump from return register. + CK_ASM_OPCODE("mv", 0b0100011, 0b101, kAsmRegToReg) CK_ASM_OPCODE( + "bg", 0b1100111, 0b111, kAsmRegToReg) CK_ASM_OPCODE("bl", 0b1100111, 0b011, kAsmRegToReg) + CK_ASM_OPCODE("beq", 0b1100111, 0b000, kAsmRegToReg) + CK_ASM_OPCODE("bne", 0b1100111, 0b001, kAsmRegToReg) + CK_ASM_OPCODE("bge", 0b1100111, 0b101, kAsmRegToReg) + CK_ASM_OPCODE("ble", 0b1100111, 0b100, kAsmRegToReg) + CK_ASM_OPCODE("stw", 0b0001111, 0b100, kAsmImmediate) + CK_ASM_OPCODE("ldw", 0b0001111, 0b100, kAsmImmediate) + CK_ASM_OPCODE("lda", 0b0001111, 0b101, kAsmImmediate) + CK_ASM_OPCODE("sta", 0b0001111, 0b001, kAsmImmediate) + // add/sub without carry flag + CK_ASM_OPCODE("add", 0b0101011, 0b100, kAsmImmediate) + CK_ASM_OPCODE("sub", 0b0101011, 0b101, kAsmImmediate) + // add/sub with carry flag + CK_ASM_OPCODE("addc", 0b0101011, 0b110, kAsmImmediate) CK_ASM_OPCODE( + "subc", 0b0101011, 0b111, kAsmImmediate) CK_ASM_OPCODE("sc", 0b1110011, 0b00, kAsmSyscall)}; + +// \brief 64x0 register prefix +// example: r32, r0 +// r32 -> sp +// r0 -> hw zero + +#define kAsmFloatZeroRegister 0 +#define kAsmZeroRegister 0 + +#define kAsmRegisterPrefix "r" +#define kAsmRegisterLimit 30 +#define kAsmPcRegister 17 +#define kAsmCrRegister 18 +#define kAsmSpRegister 5 + +/* return address register */ +#define kAsmRetRegister 19 + +///////////////////////////////////////////////////////////////////////////// + +// SYSTEM CALL/JUMP ADDRESSING + +// | OPCODE | FUNCT3 | FUNCT7 | OFF | + +// IMMEDIATE ADDRESSING + +// | OPCODE | FUNCT3 | FUNCT7 | REG | OFF | +// | OPCODE | FUNCT3 | FUNCT7 | REG | OFF | REG | +// | OPCODE | FUNCT3 | FUNCT7 | REG | REG | OFF | + +// REG TO REG ADDRESSING + +// | OPCODE | FUNCT3 | FUNCT7 | REG | REG2 | + +//////////////////////////////// + +// LOAD/CALL INTERRUPTS + +// SET A HANDLER IN ADDRESS: +// DISABLE INTERRUPTS +// PROCESS INTERRUPT +// ENABLE INTERRUPTS + +//////////////////////////////// |
