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| author | Flavian Kaufmann <flavian@flaviankaufmann.ch> | 2024-05-14 10:38:47 +0200 |
|---|---|---|
| committer | Flavian Kaufmann <flavian@flaviankaufmann.ch> | 2024-05-14 10:38:47 +0200 |
| commit | d107f7e40f02a7374b8685ba310500a6c38d43b1 (patch) | |
| tree | 55615eaface31b2473be3dae90fe822c5373f492 /src/immediate_extend.v | |
| parent | 48b36fddef862c3cd5efbdd3ed3e86b179ac117b (diff) | |
| download | riscv_cpu-d107f7e40f02a7374b8685ba310500a6c38d43b1.tar.gz riscv_cpu-d107f7e40f02a7374b8685ba310500a6c38d43b1.zip | |
bug fixes
Diffstat (limited to 'src/immediate_extend.v')
| -rw-r--r-- | src/immediate_extend.v | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/immediate_extend.v b/src/immediate_extend.v index 6e39e7d..14a9a33 100644 --- a/src/immediate_extend.v +++ b/src/immediate_extend.v @@ -9,12 +9,12 @@ module immediate_extend ( always @ (*) begin case (imm_src) - INSTR_FORMAT_I: imm <= { {21{instr[31]}}, instr[30:20] }; // I - INSTR_FORMAT_S: imm <= { {21{instr[31]}}, instr[30:25], instr[11:7] }; // S - INSTR_FORMAT_B: imm <= { {20{instr[31]}}, instr[7], instr[30:25], instr[11:8], 1'b0 }; // B - INSTR_FORMAT_U: imm <= { instr[31:12], 12'b0 }; // U - INSTR_FORMAT_J: imm <= { {12{instr[31]}}, instr[19:12], instr[20], instr[30:21], 1'b0 }; // J - default: imm <= 32'b0; // Unknown + INSTR_FORMAT_I: imm = { {21{instr[31]}}, instr[30:20] }; // I + INSTR_FORMAT_S: imm = { {21{instr[31]}}, instr[30:25], instr[11:7] }; // S + INSTR_FORMAT_B: imm = { {20{instr[31]}}, instr[7], instr[30:25], instr[11:8], 1'b0 }; // B + INSTR_FORMAT_U: imm = { instr[31:12], 12'b0 }; // U + INSTR_FORMAT_J: imm = { {12{instr[31]}}, instr[19:12], instr[20], instr[30:21], 1'b0 }; // J + default: imm = 32'b0; // Unknown endcase end |