diff options
| author | Alejandro Soto <alejandro@34project.org> | 2022-09-25 20:05:30 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2022-09-25 20:05:30 -0600 |
| commit | 146586c0fb52dccb9ab483b8b20369ed19ae5116 (patch) | |
| tree | 144e3ac13ecb95f164ab47cc4e7f936cf52da087 /rtl/core/arm810.sv | |
| parent | fa370016708149976c748c14eadad1f89cf5a8ea (diff) | |
Implement flag updates
Diffstat (limited to '')
| -rw-r--r-- | rtl/core/arm810.sv | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/rtl/core/arm810.sv b/rtl/core/arm810.sv index b37057d..4a970d9 100644 --- a/rtl/core/arm810.sv +++ b/rtl/core/arm810.sv @@ -28,7 +28,7 @@ module arm810 .* ); - logic decode_execute, decode_undefined, decode_writeback, decode_branch; + logic decode_execute, decode_undefined, decode_writeback, decode_branch, decode_update_flags; ptr decode_branch_offset; reg_num decode_rd; alu_op decode_data_op; @@ -39,15 +39,16 @@ module arm810 .execute(decode_execute), .undefined(decode_undefined), .writeback(decode_writeback), - .rd(decode_rd), .branch(decode_branch), + .update_flags(decode_update_flags), + .rd(decode_rd), .branch_offset(decode_branch_offset), .data_op(decode_data_op), .* ); reg_num rd; - logic explicit_branch, writeback; + logic explicit_branch, writeback, update_flags; ptr branch_target; psr_mode reg_mode; alu_op data_op; @@ -81,6 +82,7 @@ module arm810 ); psr_flags alu_flags; + logic alu_v_valid; core_alu #(.W(32)) alu ( @@ -90,7 +92,7 @@ module arm810 .c_in(flags.c), .q(wr_value), .nzcv(alu_flags), - .v_valid() //TODO + .v_valid(alu_v_valid) ); endmodule |