From 314dac2128239e7e115f42540d86e8d2642eb0fa Mon Sep 17 00:00:00 2001 From: Christopher Lu Date: Mon, 5 Jan 2009 02:28:44 -0500 Subject: [PATCH] branch added --- Execute.v | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/Execute.v b/Execute.v index 3a21968..34c62af 100644 --- a/Execute.v +++ b/Execute.v @@ -19,7 +19,9 @@ module Execute( output reg [31:0] outcpsr = 0, output reg write_reg = 1'bx, output reg [3:0] write_num = 4'bxxxx, - output reg [31:0] write_data = 32'hxxxxxxxx + output reg [31:0] write_data = 32'hxxxxxxxx, + output reg [31:0] outpc + output reg outflush ); reg mult_start; @@ -129,8 +131,17 @@ module Execute( end `DECODE_LDRSTR_UNDEFINED, /* Undefined. I hate ARM */ `DECODE_LDRSTR, /* Single data transfer */ - `DECODE_LDMSTM, /* Block data transfer */ - `DECODE_BRANCH, /* Branch */ + `DECODE_LDMSTM: /* Block data transfer */ + begin end + `DECODE_BRANCH: + begin + outpc = pc + op0; + if(insn[24]) begin + next_write_reg = 1; + next_write_num = 4'hE; /* link register */ + next_write_data = pc + 32'h4; + end + end /* Branch */ `DECODE_LDCSTC, /* Coprocessor data transfer */ `DECODE_CDP, /* Coprocessor data op */ `DECODE_MRCMCR, /* Coprocessor register transfer */ -- 2.39.2