diff options
Diffstat (limited to 'src/immediate_extend.v')
-rw-r--r-- | src/immediate_extend.v | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/src/immediate_extend.v b/src/immediate_extend.v deleted file mode 100644 index 14a9a33..0000000 --- a/src/immediate_extend.v +++ /dev/null @@ -1,22 +0,0 @@ -module immediate_extend ( - input [31:0] instr, - input [2:0] imm_src, - - output reg [31:0] imm -); - -`include "include/consts.vh" - -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 - endcase -end - - -endmodule |