AsmKit: Adding 32x0 support for this toolchain.

Masm: Add support for ';' comments.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/C++Kit/AsmKit/Arch/32k.hpp b/C++Kit/AsmKit/Arch/32k.hpp
new file mode 100644
index 0000000..835cb58
--- /dev/null
+++ b/C++Kit/AsmKit/Arch/32k.hpp
@@ -0,0 +1,92 @@
+/*
+ *	========================================================
+ *
+ *	C++Kit
+ * 	Copyright WestCo, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#pragma once
+
+#include <C++Kit/Defines.hpp>
+
+// @brief 32x0 support.
+// @file Arch/64k.hpp
+
+#define kAsmOpcodeDecl(__NAME, __OPCODE, __FUNCT3, __FUNCT7) \
+    { .fName = __NAME, .fOpcode = __OPCODE, .fFunct3 = __FUNCT3, .fFunct7 = __FUNCT7 },
+
+
+
+// placeholder for funct7/funct7-rs2
+#define kAsmImmediate 0x00
+#define kAsmSyscall 0x02
+#define kAsmJump 0x03
+
+#define kAsmByte  0
+#define kAsmHWord 1
+#define kAsmWord  2
+
+struct NCOpcode
+{
+    const char fName[16];
+    char fOpcode;
+    char fSize;
+    char fFunct3;
+    char fFunct7;
+};
+
+#define kAsmWordStr  ".w"
+#define kAsmHWordStr ".h"
+#define kAsmByteStr  ".b"
+
+inline std::vector<NCOpcode> kOpcodesStd = {
+        kAsmOpcodeDecl("nop", 0b0100011, 0b0000000, kAsmImmediate) // nothing to do.
+        kAsmOpcodeDecl("jmp", 0b1110011, 0b0000011, kAsmJump) // jump to branch
+        kAsmOpcodeDecl("move", 0b0100011, 0b101, kAsmImmediate)
+        kAsmOpcodeDecl("push", 0b0111011, 0b0, kAsmImmediate) // push to sp
+        kAsmOpcodeDecl("pop", 0b0111011, 0b1, kAsmImmediate) // pop from sp.
+        kAsmOpcodeDecl("int", 0b0111111, 0b0, kAsmSyscall) // raise interrupt
+};
+
+// \brief NewCPU register prefix
+// example: r32, r0
+// r32 -> sp
+// r0 -> hw zero
+
+#define kAsmRegisterPrefix "r"
+#define kAsmRegisterLimit  20
+#define kAsmPcRegister     17
+#define kAsmCrRegister     18
+#define kAsmSpRegister     5
+
+/* return address register */
+#define kAsmRetRegister    19
+
+/////////////////////////////////////////////////////////////////////////////
+
+// SYSTEM CALL 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: TODO: find one
+// DISABLE INTERRUPTS
+// PROCESS INTERRUPT
+// ENABLE INTERRUPTS
+
+////////////////////////////////
\ No newline at end of file