X-Git-Url: http://git.joshuawise.com/firearm.git/blobdiff_plain/cd577923de777d1fb615b32dbbb771e2cc45abf9..03cf736e2c85ee881927ceef1fae0542c85077da:/Execute.v diff --git a/Execute.v b/Execute.v index 7c7f357..4c7b893 100644 --- a/Execute.v +++ b/Execute.v @@ -21,7 +21,9 @@ module Execute( output reg [31:0] outspsr = 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; @@ -153,8 +155,17 @@ 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 */