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authorbd <bdunahu@operationnull.com>2025-05-10 20:35:18 -0400
committerbd <bdunahu@operationnull.com>2025-05-10 20:35:18 -0400
commit727afe4ffac0f193696c99234a2ade3a02f73157 (patch)
treec45fbbf393b6c4042bb8fe9b5ea693e5696f6fbb /inc
parentc5e989bbf1adf6cb0ea63f5d215db7c90518c607 (diff)
Separate ex advance into methods handling different field types
Diffstat (limited to 'inc')
-rw-r--r--inc/ex.h73
-rw-r--r--inc/instrDTO.h7
2 files changed, 55 insertions, 25 deletions
diff --git a/inc/ex.h b/inc/ex.h
index 5a5c046..0e235cb 100644
--- a/inc/ex.h
+++ b/inc/ex.h
@@ -23,36 +23,28 @@
#include <exception>
#include <unordered_map>
-#define ADDITION_OF_GUARD(a, b) \
- (b >= 0) && (a > MAX_INT - b)
+#define ADDITION_OF_GUARD(a, b) (b >= 0) && (a > MAX_INT - b)
-#define ADDITION_UF_GUARD(a, b) \
- (b < 0) && (a < (-(MAX_INT)-1) - b)
+#define ADDITION_UF_GUARD(a, b) (b < 0) && (a < (-(MAX_INT)-1) - b)
-#define SUBTRACTION_OF_GUARD(a, b) \
- (b < 0) && (a > MAX_INT + b)
+#define SUBTRACTION_OF_GUARD(a, b) (b < 0) && (a > MAX_INT + b)
-#define SUBTRACTION_UF_GUARD(a, b) \
- (b >= 0) && (a < (-(MAX_INT)-1) + b)
+#define SUBTRACTION_UF_GUARD(a, b) (b >= 0) && (a < (-(MAX_INT)-1) + b)
-#define MULTIPLICATION_OF_GUARD(a, b) \
- (b != 0) && \
- (((b > 0) && (a > 0) && (a > MAX_INT / b)) || \
- ((b < 0) && (a < 0) && (a < MAX_INT / b)))
+#define MULTIPLICATION_OF_GUARD(a, b) \
+ (b != 0) && (((b > 0) && (a > 0) && (a > MAX_INT / b)) || \
+ ((b < 0) && (a < 0) && (a < MAX_INT / b)))
-#define MULTIPLICATION_UF_GUARD(a, b) \
- (b != 0) && (b != -1) && \
- (((b > 0) && (a < 0) && (a < (-(MAX_INT)-1) / b)) || \
- ((b < 0) && (a > 0) && (a > (-(MAX_INT)-1) / b)))
+#define MULTIPLICATION_UF_GUARD(a, b) \
+ (b != 0) && (b != -1) && \
+ (((b > 0) && (a < 0) && (a < (-(MAX_INT)-1) / b)) || \
+ ((b < 0) && (a > 0) && (a > (-(MAX_INT)-1) / b)))
-#define DIVISION_OF_GUARD(a, b) \
- ((a == -(MAX_INT) - 1) && (b == -1)) || (b == 0)
+#define DIVISION_OF_GUARD(a, b) ((a == -(MAX_INT)-1) && (b == -1)) || (b == 0)
class HaltException : public std::exception
{
- const char *what() const noexcept override {
- return "";
- }
+ const char *what() const noexcept override { return ""; }
};
class EX : public Stage
@@ -63,12 +55,49 @@ class EX : public Stage
* @param The next stage in the pipeline.
* @return A newly allocated EX object.
*/
- using Stage::Stage;
using Stage::advance;
+ using Stage::Stage;
private:
void advance_helper();
/**
+ * Handles operations involving three ints.
+ * @param slot 1, and later, the result of the mnemonic operation.
+ * @param slot 2
+ * @param slot 3
+ * @param the mnemonic
+ * @param the program counter
+ */
+ void handle_int_operations(
+ signed int &s1,
+ signed int s2,
+ signed int s3,
+ Mnemonic m,
+ unsigned int pc);
+ /**
+ * Handles operations involving three vector registers.
+ * @param slot 1, and later, the result of the mnemonic operation.
+ * @param slot 2
+ * @param slot 3
+ * @param the mnemonic
+ * @param the vector length register
+ */
+ void handle_vector_operations(
+ std::array<signed int, V_R_LIMIT> &s1,
+ std::array<signed int, V_R_LIMIT> s2,
+ Mnemonic m,
+ unsigned int v_len);
+
+ /**
+ * Handles operations involving a single vector register.
+ * Currently, this is LOADV and STOREV
+ * @param slot 1, and later, the result of the mnemonic operation.
+ * @param slot 2
+ * @param the mnemonic
+ * @param the vector length register
+ */
+ void handle_i_vector_operations(signed int &s1, signed int s2, Mnemonic m);
+ /**
* Wrapper for division functions, which detects HALT instructinos (division
* by 0).
* @param the numerator
diff --git a/inc/instrDTO.h b/inc/instrDTO.h
index 12c72d9..ccc6ed9 100644
--- a/inc/instrDTO.h
+++ b/inc/instrDTO.h
@@ -21,6 +21,7 @@
#include "pipe_spec.h"
#include <array>
+
struct U_INT_TYPE {
signed int slot_one;
signed int slot_two;
@@ -34,9 +35,9 @@ struct V_TYPE {
};
struct VI_TYPE {
- signed int base_addr;
- signed int immediate;
- std::array<signed int, V_R_LIMIT> vector_register;
+ signed int slot_one;
+ signed int slot_two;
+ std::array<signed int, V_R_LIMIT> slot_three;
};
struct InstrDTO {