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authorSiddarth Suresh <155843085+SiddarthSuresh98@users.noreply.github.com>2025-03-30 19:34:17 -0400
committerGitHub <noreply@github.com>2025-03-30 19:34:17 -0400
commit12a9e93f913c0057f2ef32f5894931c8b4bd3a85 (patch)
tree88669ed2be55b4f455ef4ac56263a01dd5f70a40 /src/sim/instr.cc
parenteedf9686eb60f2008e7766cc9a5d3e037b9dae64 (diff)
parent36dabe6183af98b2e3f6d0316436dc3affc3d986 (diff)
Merge pull request #41 from bdunahu/bdunahu
Add mock stage, proper decode tests changes look good
Diffstat (limited to 'src/sim/instr.cc')
-rw-r--r--src/sim/instr.cc29
1 files changed, 0 insertions, 29 deletions
diff --git a/src/sim/instr.cc b/src/sim/instr.cc
index 08edf5e..e614de5 100644
--- a/src/sim/instr.cc
+++ b/src/sim/instr.cc
@@ -3,36 +3,8 @@
#include <map>
#include <unordered_map>
-// clang-format off
-#define INIT_INSTRUCTION(mnemonic, body) \
- {mnemonic, [](signed int &s1, signed int &s2, signed int &s3) { \
- body; \
- }}
-// clang-format on
-
namespace instr
{
-// clang-format off
-const std::unordered_map<Mnemonic, std::function<void(signed int &s1, signed int &s2, signed int &s3)>>
- // clang-format on
- instr_map = {
-
- /* R type instructions */
- // TODO these need to be WRAPPED with a function that sets overflow.
- // future note to self, if these are more than 2 lines each, you're
- // doing it wrong
- INIT_INSTRUCTION(ADD, s3 = s1 + s2;),
- INIT_INSTRUCTION(SUB, s3 = s1 - s2;),
-
- /* I type instructions */
-
- /* J type instructions */
-
- /* NOP */
- INIT_INSTRUCTION(NOP, (void)s3; (void)s2; (void)s1;),
-
-};
-
const std::unordered_map<unsigned int, Mnemonic> mnemonic_map = {
{0b0000100, ADD}, {0b0001000, SUB}, {0b0001100, MUL},
{0b0010000, QUOT}, {0b0010100, REM}, {0b0011000, SFTR},
@@ -48,6 +20,5 @@ const std::unordered_map<unsigned int, Mnemonic> mnemonic_map = {
{0b0001010, JRL}, {0b0001110, JAL}, {0b0010010, BEQ},
{0b0010110, BGT}, {0b0011010, BUF}, {0b0011110, BOF},
{0b0100010, PUSH}, {0b0100110, POP},
-
};
} // namespace instr