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LF-Building-a-RISC-V-CPU-Core
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Victor Timofei 2022-01-16 20:36:50 +02:00
parent ce288f2840
commit d2b945d974
Signed by: vtimofei
GPG Key ID: B790DCEBE281403A
1 changed files with 6 additions and 1 deletions
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risc-v_shell.tlv
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@ -36,6 +36,8 @@
// Program counter // Program counter
$next_pc[31:0] = $reset ? 0 : $next_pc[31:0] = $reset ? 0 :
$taken_br ? $br_tgt_pc : $taken_br ? $br_tgt_pc :
$is_jal ? $br_tgt_pc :
$is_jalr ? $jalr_tgt_pc :
($pc + 4); ($pc + 4);
$pc[31:0] = >>1$next_pc; $pc[31:0] = >>1$next_pc;
@ -124,9 +126,12 @@
$is_bgeu ? $src1_value >= $src2_value : $is_bgeu ? $src1_value >= $src2_value :
0; 0;
// Branch target // Branch/JAL target
$br_tgt_pc[31:0] = $pc + $imm; $br_tgt_pc[31:0] = $pc + $imm;
// Jump and link register target
$jalr_tgt_pc[31:0] = $src1_value + $imm;
// Arithmetic Logic Unit // Arithmetic Logic Unit
$sltu_rslt[31:0] = {31'b0, $src1_value < $src2_value}; $sltu_rslt[31:0] = {31'b0, $src1_value < $src2_value};
$sltiu_rslt[31:0] = {31'b0, $src1_value < $imm}; $sltiu_rslt[31:0] = {31'b0, $src1_value < $imm};