From 7b3abbd51c91b51725a12d17fad6ecbfcdb19975 Mon Sep 17 00:00:00 2001
From: bd <bdunahu@operationnull.com>
Date: Fri, 28 Mar 2025 19:55:04 -0400
Subject: Move get_instr_fields, add all instruction mnemonics

---
 inc/id.h      | 18 ++++++++++++++++++
 inc/instr.h   | 47 +++++++++++++++++++++++++++++++++++++++++++++--
 inc/storage.h |  2 +-
 inc/utils.h   | 18 ------------------
 4 files changed, 64 insertions(+), 21 deletions(-)

(limited to 'inc')

diff --git a/inc/id.h b/inc/id.h
index eafe274..1503457 100644
--- a/inc/id.h
+++ b/inc/id.h
@@ -15,6 +15,24 @@ class ID : public Stage
 	ID(Stage *next);
 
 	Response advance(InstrDTO &i) override;
+
+	/**
+	 * Parse an instruction into a type, opcode, and fields. If the type is
+	 * invalid, only the type field will be set.
+	 * @param the resulting first field, which varies per type. To call this
+	 * function properly, this field must contain the full instruction bytes on
+	 * function entry.
+	 * @param the resulting second field, which varies per type.
+	 * @param the resulting third field, which varies per type.
+	 * @param the resulting type.
+	 * @param the resulting opcode.
+	 */
+	void get_instr_fields(
+		signed int &s1,
+		signed int &s2,
+		signed int &s3,
+		unsigned int &type,
+		unsigned int &opcode);
 };
 
 #endif /* ID_D_INCLUDED */
diff --git a/inc/instr.h b/inc/instr.h
index ce08685..98ecf1d 100644
--- a/inc/instr.h
+++ b/inc/instr.h
@@ -1,13 +1,56 @@
 #ifndef INSTR_H
 #define INSTR_H
-
 #include <functional>
+#include <iostream>
 #include <map>
 
+enum Mnemonic {
+	ADD,
+	SUB,
+	MUL,
+	QUOT,
+	REM,
+	SFTR,
+	SFTL,
+	AND,
+	OR,
+	NOT,
+	XOR,
+	ADDV,
+	SUBV,
+	MULV,
+	DIVV,
+	CMP,
+	CEV,
+	LOAD,
+	LOADV,
+	ADDI,
+	SUBI,
+	SFTRI,
+	SFTLI,
+	ANDI,
+	ORI,
+	XORI,
+	STORE,
+	STOREV,
+	JMP,
+	JRL,
+	JAL,
+	BEQ,
+	BGT,
+	BUF,
+	BOF,
+	PUSH,
+	POP,
+};
+
+std::ostream &operator<<(std::ostream &os, Mnemonic a);
+
 namespace instr
 {
 // clang-format off
-extern const std::map<int,std::map<int,std::function<void(signed int &s1, signed int &s2, signed int &s3)>>> instr_map;
+	extern const std::map<unsigned int, Mnemonic> mnemonic_map;
+	extern const std::map<Mnemonic, std::function<void(signed int &s1, signed int &s2, signed int &s3)>> instr_map;
 // clang-format on
 } // namespace instr
 
diff --git a/inc/storage.h b/inc/storage.h
index ff1fbcb..d6fa094 100644
--- a/inc/storage.h
+++ b/inc/storage.h
@@ -80,7 +80,7 @@ class Storage
 	/**
 	 * The accessor currently being serviced.
 	 */
-	enum Accessor requester;
+	Accessor requester;
 	/**
 	 * The number of cycles until the current request is completed.
 	 */
diff --git a/inc/utils.h b/inc/utils.h
index 7fed157..a375b68 100644
--- a/inc/utils.h
+++ b/inc/utils.h
@@ -12,24 +12,6 @@
  */
 void get_cache_fields(int address, int *tag, int *index, int *offset);
 
-/**
- * Parse an instruction into a type, opcode, and fields. If the type is invalid,
- * only the type field will be set.
- * @param the resulting first field, which varies per type. To call this
- * function properly, this field must contain the full instruction bytes on
- * function entry.
- * @param the resulting second field, which varies per type.
- * @param the resulting third field, which varies per type.
- * @param the resulting type.
- * @param the resulting opcode.
- */
-void get_instr_fields(
-	signed int &s1,
-	signed int &s2,
-	signed int &s3,
-	unsigned int &type,
-	unsigned int &opcode);
-
 /**
  * Formats a string using snprintf.
  * @param an object that represents the format string
-- 
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