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authorAlejandro Soto <alejandro@34project.org>2024-01-21 06:23:46 -0600
committerAlejandro Soto <alejandro@34project.org>2024-02-20 11:11:17 -0600
commitf3b18ead59ae02f95dabbf0a1dea40873a816975 (patch)
tree8979e50f2a37f66a4cd27e937b480efe60d72cf7 /rtl/core/porch/porch.sv
parenta8bc5a353ea997f73209b39377ee15a73e471237 (diff)
rtl: refactor filenames and directory hierarchy
Diffstat (limited to 'rtl/core/porch/porch.sv')
-rw-r--r--rtl/core/porch/porch.sv57
1 files changed, 0 insertions, 57 deletions
diff --git a/rtl/core/porch/porch.sv b/rtl/core/porch/porch.sv
deleted file mode 100644
index 060ab91..0000000
--- a/rtl/core/porch/porch.sv
+++ /dev/null
@@ -1,57 +0,0 @@
-`include "core/uarch.sv"
-
-module core_porch
-(
- input logic clk,
- rst_n,
- flush,
- stall,
- input psr_flags flags,
-
- input word fetch_insn,
- input logic fetch_nop,
- fetch_abort,
- input ptr fetch_insn_pc,
- fetch_head,
- input insn_decode fetch_dec,
-
- output word insn,
- output ptr insn_pc,
- output insn_decode dec,
- output logic abort
-);
-
- logic execute, conditional, undefined, nop;
- insn_decode hold_dec;
-
- //FIXME: User mode puede hacer msr o mcr y saltare cualquier lĂ­mite de seguridad
-
- always_comb begin
- dec = hold_dec;
- dec.ctrl.nop = nop;
- dec.ctrl.execute = !flush && dec.ctrl.execute && execute && !nop && !abort;
- dec.ctrl.undefined = !flush && (dec.ctrl.undefined || undefined);
- dec.ctrl.conditional = !flush && (dec.ctrl.conditional || conditional);
- end
-
- core_porch_conds conds
- (
- .*
- );
-
- always_ff @(posedge clk or negedge rst_n)
- if(!rst_n) begin
- nop <= 0; // Even though it is a NOP
- insn <= `NOP;
- abort <= 0;
- insn_pc <= 0;
- hold_dec <= {$bits(hold_dec){1'b0}};
- end else if(flush || !stall) begin
- nop <= flush ? 1 : fetch_nop;
- insn <= flush ? `NOP : fetch_insn;
- abort <= flush ? 0 : fetch_abort;
- insn_pc <= flush ? fetch_head : fetch_insn_pc;
- hold_dec <= fetch_dec;
- end
-
-endmodule