URL
https://opencores.org/ocsvn/sparc64soc/sparc64soc/trunk
Subversion Repositories sparc64soc
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- This comparison shows the changes necessary to convert path
/sparc64soc/trunk/T1-CPU
- from Rev 2 to Rev 4
- ↔ Reverse comparison
Rev 2 → Rev 4
/exu/sparc_exu.v
463,7 → 463,281
output [7:0] exu_ifu_err_synd_m; |
wire [1:0] rml_irf_old_e_cwp_e; |
wire [1:0] rml_irf_new_e_cwp_e; |
|
`ifdef FPGA_NEW_IRF |
|
wire [ 71:0]irf_byp_rs1_data_d_l_fpga; |
wire [ 71:0]irf_byp_rs2_data_d_l_fpga; |
wire [ 71:0]irf_byp_rs3_data_d_l_fpga; |
wire [ 31:0]irf_byp_rs3h_data_d_l_fpga; |
|
/*clkdbl clkdbl_inst( |
.inclk0(rclk), |
.c0(rclk2x) |
); |
|
wire [738:0] ILA_DATA; |
wire [ 71:0]irf_byp_rs1_data_d_l_ref; |
wire [ 71:0]irf_byp_rs2_data_d_l_ref; |
wire [ 71:0]irf_byp_rs3_data_d_l_ref; |
wire [ 31:0]irf_byp_rs3h_data_d_l_ref; |
|
ST1 ila( |
.acq_clk(rclk), |
.acq_data_in(ILA_DATA), |
.acq_trigger_in(ILA_DATA) |
); |
|
wire [35:0] ref_cnt; |
wire [ 3:0] allow; |
reg [35:0] cnt; |
reg [15:0] err_cnt; |
|
VIO1 vio( |
.probe(cnt>refcnt), |
.source({allow,ref_cnt}) |
); |
|
reg ifu_exu_ren1_s_d; |
reg ifu_exu_ren2_s_d; |
reg ifu_exu_ren3_s_d; |
reg [71:0] irf_byp_rs1_data_d_l_fpga_d; |
reg [71:0] irf_byp_rs2_data_d_l_fpga_d; |
reg [71:0] irf_byp_rs3_data_d_l_fpga_d; |
reg [31:0] irf_byp_rs3h_data_d_l_fpga_d; |
reg [71:0] irf_byp_rs1_data_d_l_d; |
reg [71:0] irf_byp_rs2_data_d_l_d; |
reg [71:0] irf_byp_rs3_data_d_l_d; |
reg [31:0] irf_byp_rs3h_data_d_l_d; |
reg [31:0] written; |
reg swap_d; |
reg swap_d1; |
reg [ 4:0] ecl_irf_rd_m_d; |
reg [ 4:0] ecl_irf_rd_g_d; |
reg [ 2:0] current_window; |
reg [ 2:0] new_lo_cwp_d; |
reg [ 4:0] ifu_exu_rs1_s_d; |
reg [ 4:0] ifu_exu_rs2_s_d; |
reg [ 4:0] ifu_exu_rs3_s_d; |
|
wire [4:0] wraddr0=current_window[0] && ecl_irf_rd_m_d[3] ? {~ecl_irf_rd_m_d[4],ecl_irf_rd_m_d[3:0]}:ecl_irf_rd_m_d; |
wire [4:0] wraddr1=current_window[0] && ecl_irf_rd_g_d[3] ? {~ecl_irf_rd_g_d[4],ecl_irf_rd_g_d[3:0]}:ecl_irf_rd_g_d; |
wire [4:0] rdaddr0=current_window[0] && ifu_exu_rs1_s_d[3] ? {~ifu_exu_rs1_s_d[4],ifu_exu_rs1_s_d[3:0]}:ifu_exu_rs1_s_d; |
wire [4:0] rdaddr1=current_window[0] && ifu_exu_rs2_s_d[3] ? {~ifu_exu_rs2_s_d[4],ifu_exu_rs2_s_d[3:0]}:ifu_exu_rs2_s_d; |
wire [4:0] rdaddr2=current_window[0] && ifu_exu_rs3_s_d[3] ? {~ifu_exu_rs3_s_d[4],ifu_exu_rs3_s_d[3:0]}:ifu_exu_rs3_s_d; |
|
wire [3:0] syndrome; |
|
always @(posedge rclk or negedge arst_l) |
if(~arst_l) |
begin |
written<=0; |
current_window<=0; |
swap_d<=0; |
swap_d1<=0; |
err_cnt<=0; |
end |
else |
begin |
if(rml_irf_swap_local_e && (current_window!=rml_irf_old_lo_cwp_e)) |
cnt<=36'b0; |
else |
cnt<=cnt+1; |
if(err_cnt==16'h0360) |
err_cnt<=16'b0; |
else |
if(rml_irf_swap_local_e && (current_window!=rml_irf_old_lo_cwp_e)) |
err_cnt<=err_cnt+1; |
ifu_exu_ren1_s_d<=ifu_exu_ren1_s; |
ifu_exu_ren2_s_d<=ifu_exu_ren2_s; |
ifu_exu_ren3_s_d<=ifu_exu_ren3_s; |
irf_byp_rs1_data_d_l_fpga_d<=irf_byp_rs1_data_d_l_fpga; |
irf_byp_rs2_data_d_l_fpga_d<=irf_byp_rs2_data_d_l_fpga; |
irf_byp_rs3_data_d_l_fpga_d<=irf_byp_rs3_data_d_l_fpga; |
irf_byp_rs3h_data_d_l_fpga_d<=irf_byp_rs3h_data_d_l_fpga; |
irf_byp_rs1_data_d_l_d<=irf_byp_rs1_data_d_l; |
irf_byp_rs2_data_d_l_d<=irf_byp_rs2_data_d_l; |
irf_byp_rs3_data_d_l_d<=irf_byp_rs3_data_d_l; |
irf_byp_rs3h_data_d_l_d<=irf_byp_rs3h_data_d_l; |
swap_d<=rml_irf_swap_local_e; |
swap_d1<=swap_d; |
ecl_irf_rd_m_d<=ecl_irf_rd_m; |
ecl_irf_rd_g_d<=ecl_irf_rd_g; |
new_lo_cwp_d<=rml_irf_new_lo_cwp_e; |
ifu_exu_rs1_s_d<=ifu_exu_rs1_s; |
ifu_exu_rs2_s_d<=ifu_exu_rs2_s; |
ifu_exu_rs3_s_d<=ifu_exu_rs3_s; |
if(swap_d) |
current_window<=new_lo_cwp_d; |
if(swap_d1) |
if(rml_irf_kill_restore_w) // SAVE |
written<=(ecl_irf_wen_w<<wraddr0) | (ecl_irf_wen_w2<<wraddr1); |
else // restore |
written<=32'hFFFFFFFF; |
else |
begin |
if(ecl_irf_wen_w) |
written[wraddr0]<=1; |
if(ecl_irf_wen_w2) |
written[wraddr1]<=1; |
end |
end |
|
wire read_lo0=(rdaddr0>5'd7) && (rdaddr0<5'd24); |
wire read_lo1=(rdaddr1>5'd7) && (rdaddr1<5'd24); |
wire read_lo2=(rdaddr2>5'd7) && (rdaddr2<5'd24); |
wire read_known0=(!read_lo0) || written[rdaddr0]; |
wire read_known1=(!read_lo1) || written[rdaddr1]; |
wire read_known2=(!read_lo2) || written[rdaddr2]; |
|
assign syndrome[0]=ifu_exu_ren1_s_d && (irf_byp_rs1_data_d_l_ref!=irf_byp_rs1_data_d_l_fpga); |
assign syndrome[1]=ifu_exu_ren2_s_d && (irf_byp_rs2_data_d_l_ref!=irf_byp_rs2_data_d_l_fpga); |
assign syndrome[2]=ifu_exu_ren3_s_d && (irf_byp_rs3_data_d_l_ref!=irf_byp_rs3_data_d_l_fpga); |
assign syndrome[3]=ifu_exu_ren3_s_d && (irf_byp_rs3h_data_d_l_ref!=irf_byp_rs3h_data_d_l_fpga); |
|
assign ILA_DATA[1:0]=ifu_exu_tid_s2; |
assign ILA_DATA[6:2]=ifu_exu_rs1_s; |
assign ILA_DATA[11:7]=ifu_exu_rs2_s; |
assign ILA_DATA[16:12]=ifu_exu_rs3_s; |
assign ILA_DATA[17]=ifu_exu_ren1_s; |
assign ILA_DATA[18]=ifu_exu_ren2_s; |
assign ILA_DATA[19]=ifu_exu_ren3_s; |
assign ILA_DATA[20]=ecl_irf_wen_w; |
assign ILA_DATA[21]=ecl_irf_wen_w2; |
assign ILA_DATA[26:22]=ecl_irf_rd_m_d; |
assign ILA_DATA[31:27]=ecl_irf_rd_g_d; |
assign ILA_DATA[103:32]=byp_irf_rd_data_w; |
assign ILA_DATA[175:104]=byp_irf_rd_data_w2; |
assign ILA_DATA[177:176]=ecl_irf_tid_m; |
assign ILA_DATA[179:178]=ecl_irf_tid_g; |
assign ILA_DATA[182:180]=rml_irf_old_lo_cwp_e; |
assign ILA_DATA[185:183]=rml_irf_new_lo_cwp_e; |
assign ILA_DATA[187:186]=rml_irf_old_e_cwp_e; |
assign ILA_DATA[189:188]=rml_irf_new_e_cwp_e; |
assign ILA_DATA[190]=rml_irf_swap_even_e; |
assign ILA_DATA[191]=rml_irf_swap_odd_e; |
assign ILA_DATA[192]=rml_irf_swap_local_e; |
assign ILA_DATA[193]=rml_irf_kill_restore_w; |
assign ILA_DATA[195:194]=rml_irf_cwpswap_tid_e; |
assign ILA_DATA[197:196]=rml_irf_old_agp; |
assign ILA_DATA[199:198]=rml_irf_new_agp; |
assign ILA_DATA[200]=rml_irf_swap_global; |
assign ILA_DATA[202:201]=rml_irf_global_tid; |
assign ILA_DATA[274:203]=irf_byp_rs1_data_d_l_ref; |
assign ILA_DATA[346:275]=irf_byp_rs2_data_d_l_ref; |
assign ILA_DATA[418:347]=irf_byp_rs3_data_d_l_ref; |
assign ILA_DATA[450:419]=irf_byp_rs3h_data_d_l_ref; |
assign ILA_DATA[522:451]=irf_byp_rs1_data_d_l_fpga; |
assign ILA_DATA[594:523]=irf_byp_rs2_data_d_l_fpga; |
assign ILA_DATA[666:595]=irf_byp_rs3_data_d_l_fpga; |
assign ILA_DATA[698:667]=irf_byp_rs3h_data_d_l_fpga; |
assign ILA_DATA[702:699]=syndrome;// && read_known0; |
assign ILA_DATA[705:703]=current_cwp[2:0]; |
assign ILA_DATA[706]=0; |
assign ILA_DATA[737:707]={cnt[14:0],err_cnt}; |
assign ILA_DATA[738]=rml_irf_swap_local_e && (current_window!=rml_irf_old_lo_cwp_e); |
//assign ILA_DATA[699]=(irf_byp_rs1_data_d_l_fpga!=irf_byp_rs1_data_d_l_fpga_d) && (irf_byp_rs1_data_d_l==irf_byp_rs1_data_d_l_d); |
//assign ILA_DATA[700]=(irf_byp_rs2_data_d_l_fpga!=irf_byp_rs2_data_d_l_fpga_d) && (irf_byp_rs2_data_d_l==irf_byp_rs2_data_d_l_d); |
//assign ILA_DATA[701]=(irf_byp_rs3_data_d_l_fpga!=irf_byp_rs3_data_d_l_fpga_d) && (irf_byp_rs3_data_d_l==irf_byp_rs3_data_d_l_d); |
//assign ILA_DATA[702]=(irf_byp_rs3h_data_d_l_fpga!=irf_byp_rs3h_data_d_l_fpga_d) && (irf_byp_rs3h_data_d_l==irf_byp_rs3h_data_d_l_d); |
*/ |
wire [11:0] current_cwp; |
|
bw_r_irf_fpga1 irf( |
|
.current_cwp(current_cwp), |
.so (short_scan0_1), |
.si (short_si0), |
.reset_l (arst_l), |
.rst_tri_en (mem_write_disable), |
.rml_irf_old_e_cwp_e (rml_irf_old_e_cwp_e[1:0]), |
.rml_irf_new_e_cwp_e (rml_irf_new_e_cwp_e[1:0]), |
/*AUTOINST*/ |
// Outputs |
.irf_byp_rs1_data_d_l (irf_byp_rs1_data_d_l_fpga[71:0]), |
.irf_byp_rs2_data_d_l (irf_byp_rs2_data_d_l_fpga[71:0]), |
.irf_byp_rs3_data_d_l (irf_byp_rs3_data_d_l_fpga[71:0]), |
.irf_byp_rs3h_data_d_l (irf_byp_rs3h_data_d_l_fpga[31:0]), |
// Inputs |
.rclk (rclk), |
//.rclk2x (rclk2x), |
.se (se), |
.sehold (sehold), |
.ifu_exu_tid_s2 (ifu_exu_tid_s2[1:0]), |
.ifu_exu_rs1_s (ifu_exu_rs1_s[4:0]), |
.ifu_exu_rs2_s (ifu_exu_rs2_s[4:0]), |
.ifu_exu_rs3_s (ifu_exu_rs3_s[4:0]), |
.ifu_exu_ren1_s (ifu_exu_ren1_s), |
.ifu_exu_ren2_s (ifu_exu_ren2_s), |
.ifu_exu_ren3_s (ifu_exu_ren3_s), |
.ecl_irf_wen_w (ecl_irf_wen_w), |
.ecl_irf_wen_w2 (ecl_irf_wen_w2), |
.ecl_irf_rd_m (ecl_irf_rd_m[4:0]), |
.ecl_irf_rd_g (ecl_irf_rd_g[4:0]), |
.byp_irf_rd_data_w (byp_irf_rd_data_w[71:0]), |
.byp_irf_rd_data_w2 (byp_irf_rd_data_w2[71:0]), |
.ecl_irf_tid_m (ecl_irf_tid_m[1:0]), |
.ecl_irf_tid_g (ecl_irf_tid_g[1:0]), |
.rml_irf_old_lo_cwp_e (rml_irf_old_lo_cwp_e[2:0]), |
.rml_irf_new_lo_cwp_e (rml_irf_new_lo_cwp_e[2:0]), |
.rml_irf_swap_even_e (rml_irf_swap_even_e), |
.rml_irf_swap_odd_e (rml_irf_swap_odd_e), |
.rml_irf_swap_local_e (rml_irf_swap_local_e), |
.rml_irf_kill_restore_w (rml_irf_kill_restore_w), |
.rml_irf_cwpswap_tid_e (rml_irf_cwpswap_tid_e[1:0]), |
.rml_irf_old_agp (rml_irf_old_agp[1:0]), |
.rml_irf_new_agp (rml_irf_new_agp[1:0]), |
.rml_irf_swap_global (rml_irf_swap_global), |
.rml_irf_global_tid (rml_irf_global_tid[1:0])); |
|
/* bw_r_irf irf( |
.so (short_scan0_1), |
.si (short_si0), |
.reset_l (arst_l), |
.rst_tri_en (mem_write_disable), |
.rml_irf_old_e_cwp_e (rml_irf_old_e_cwp_e[1:0]), |
.rml_irf_new_e_cwp_e (rml_irf_new_e_cwp_e[1:0]), |
// Outputs |
.irf_byp_rs1_data_d_l (irf_byp_rs1_data_d_l_ref[71:0]), |
.irf_byp_rs2_data_d_l (irf_byp_rs2_data_d_l_ref[71:0]), |
.irf_byp_rs3_data_d_l (irf_byp_rs3_data_d_l_ref[71:0]), |
.irf_byp_rs3h_data_d_l (irf_byp_rs3h_data_d_l_ref[31:0]), |
// Inputs |
.rclk (rclk), |
.se (se), |
.sehold (sehold), |
.ifu_exu_tid_s2 (ifu_exu_tid_s2[1:0]), |
.ifu_exu_rs1_s (ifu_exu_rs1_s[4:0]), |
.ifu_exu_rs2_s (ifu_exu_rs2_s[4:0]), |
.ifu_exu_rs3_s (ifu_exu_rs3_s[4:0]), |
.ifu_exu_ren1_s (ifu_exu_ren1_s), |
.ifu_exu_ren2_s (ifu_exu_ren2_s), |
.ifu_exu_ren3_s (ifu_exu_ren3_s), |
.ecl_irf_wen_w (ecl_irf_wen_w), |
.ecl_irf_wen_w2 (ecl_irf_wen_w2), |
.ecl_irf_rd_m (ecl_irf_rd_m[4:0]), |
.ecl_irf_rd_g (ecl_irf_rd_g[4:0]), |
.byp_irf_rd_data_w (byp_irf_rd_data_w[71:0]), |
.byp_irf_rd_data_w2 (byp_irf_rd_data_w2[71:0]), |
.ecl_irf_tid_m (ecl_irf_tid_m[1:0]), |
.ecl_irf_tid_g (ecl_irf_tid_g[1:0]), |
.rml_irf_old_lo_cwp_e (rml_irf_old_lo_cwp_e[2:0]), |
.rml_irf_new_lo_cwp_e (rml_irf_new_lo_cwp_e[2:0]), |
.rml_irf_swap_even_e (rml_irf_swap_even_e), |
.rml_irf_swap_odd_e (rml_irf_swap_odd_e), |
.rml_irf_swap_local_e (rml_irf_swap_local_e), |
.rml_irf_kill_restore_w (rml_irf_kill_restore_w), |
.rml_irf_cwpswap_tid_e (rml_irf_cwpswap_tid_e[1:0]), |
.rml_irf_old_agp (rml_irf_old_agp[1:0]), |
.rml_irf_new_agp (rml_irf_new_agp[1:0]), |
.rml_irf_swap_global (rml_irf_swap_global), |
.rml_irf_global_tid (rml_irf_global_tid[1:0]));*/ |
|
assign irf_byp_rs1_data_d_l=/*((err_cnt>=ref_cnt[15:0]) && (cnt[19:0]>=ref_cnt[35:16])) && allow[0] ? irf_byp_rs1_data_d_l_ref:*/irf_byp_rs1_data_d_l_fpga; |
assign irf_byp_rs2_data_d_l=/*((err_cnt>=ref_cnt[15:0]) && (cnt[19:0]>=ref_cnt[35:16])) && allow[1] ? irf_byp_rs2_data_d_l_ref:*/irf_byp_rs2_data_d_l_fpga; |
assign irf_byp_rs3_data_d_l=/*((err_cnt>=ref_cnt[15:0]) && (cnt[19:0]>=ref_cnt[35:16])) && allow[2] ? irf_byp_rs3_data_d_l_ref:*/irf_byp_rs3_data_d_l_fpga; |
assign irf_byp_rs3h_data_d_l=/*((err_cnt>=ref_cnt[15:0]) && (cnt[19:0]>=ref_cnt[35:16])) && allow[3] ? irf_byp_rs3h_data_d_l_ref:*/irf_byp_rs3h_data_d_l_fpga; |
|
`else |
bw_r_irf irf( |
.so (short_scan0_1), |
.si (short_si0), |
507,6 → 781,7
.rml_irf_new_agp (rml_irf_new_agp[1:0]), |
.rml_irf_swap_global (rml_irf_swap_global), |
.rml_irf_global_tid (rml_irf_global_tid[1:0])); |
`endif |
|
sparc_exu_byp bypass( |
.so (short_so1), |
1088,7 → 1363,8
.ecl_div_muls (ecl_div_muls), |
.ecl_div_zero_rs2_e(ecl_div_zero_rs2_e)); |
|
sparc_exu_rml rml( |
sparc_exu_rml rml( |
.current_cwp(current_cwp), |
.so (so0), |
.si (scan0_3), |
.rst_tri_en (mux_drive_disable), |
/exu/sparc_exu_rml_cwp.v
49,7 → 49,7
exu_tlu_spill_e, tlu_exu_cwpccr_update_m, tlu_exu_cwp_retry_m, |
tlu_exu_cwp_m, thr_d, ecl_rml_thr_m, ecl_rml_thr_w, tid_e, |
next_cwp_w, next_cwp_e, cwp_wen_w, save_e, restore_e, |
ifu_exu_flushw_e, ecl_rml_cwp_wen_e, full_swap_e, rml_kill_w |
ifu_exu_flushw_e, ecl_rml_cwp_wen_e, full_swap_e, rml_kill_w, next_cwp |
) ; |
input clk; |
input se; |
95,6 → 95,7
output [1:0] exu_tlu_cwp_cmplt_tid; |
output exu_tlu_cwp_retry; |
output [3:0] oddwin_w; |
output [11:0] next_cwp; |
|
wire can_swap; |
wire swapping; |
254,7 → 255,8
{cwp_wen_thr3_w,cwp_wen_thr2_w, cwp_wen_thr1_w,cwp_wen_thr0_w}); |
|
// oddwin_w is the new value of cwp[0] |
assign oddwin_w[3:0] = {cwp_thr3_next[0],cwp_thr2_next[0],cwp_thr1_next[0],cwp_thr0_next[0]}; |
assign oddwin_w[3:0] = {cwp_thr3_next[0],cwp_thr2_next[0],cwp_thr1_next[0],cwp_thr0_next[0]}; |
assign next_cwp={cwp_thr3_next,cwp_thr2_next,cwp_thr1_next,cwp_thr0_next}; |
// mux between new and current value |
mux4ds #(3) cwp_next0_mux(.dout(cwp_thr0_next[2:0]), |
.in0(cwp_thr0[2:0]), |
/exu/sparc_exu_rml.v
61,7 → 61,7
ecl_rml_cleanwin_wen_w, ecl_rml_xor_data_e, ecl_rml_kill_e, |
ecl_rml_kill_w, ecl_rml_early_flush_w, exu_tlu_wsr_data_w, |
tlu_exu_agp, tlu_exu_agp_swap, tlu_exu_agp_tid, tlu_exu_cwp_m, |
tlu_exu_cwpccr_update_m, ecl_rml_inst_vld_w |
tlu_exu_cwpccr_update_m, ecl_rml_inst_vld_w,current_cwp |
) ; |
input rclk; |
input se; |
146,7 → 146,8
output [1:0] rml_irf_new_agp; // alternate global pointer |
output rml_irf_swap_global; |
output [1:0] rml_irf_global_tid; |
|
output reg [11:0] current_cwp; |
|
wire clk; |
wire [1:0] tid_d; |
wire [3:0] thr_d; |
444,7 → 445,17
assign oddwin_m[0] = (cwp_wen_m & ecl_rml_thr_m[0])? next_cwp_m[0]: oddwin_w[0]; |
dff_s #(4) oddwin_dff(.din(oddwin_m[3:0]), .clk(clk), .q(exu_ifu_oddwin_s[3:0]), |
.se(se), .si(), .so()); |
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integer i; |
wire [11:0] next_cwp; |
always @(posedge clk) |
begin |
current_cwp[2:0]<=(cwp_wen_m & ecl_rml_thr_m[0])? next_cwp_m: next_cwp[2:0]; |
current_cwp[5:3]<=(cwp_wen_m & ecl_rml_thr_m[1])? next_cwp_m: next_cwp[5:3]; |
current_cwp[8:6]<=(cwp_wen_m & ecl_rml_thr_m[2])? next_cwp_m: next_cwp[8:6]; |
current_cwp[11:9]<=(cwp_wen_m & ecl_rml_thr_m[3])? next_cwp_m: next_cwp[11:9]; |
end |
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sparc_exu_rml_cwp cwp( |
.swap_outs (swap_outs), |
.swap_locals_ins(swap_locals_ins), |
451,7 → 462,8
.rml_ecl_cwp_e (rml_ecl_cwp_e[2:0]), |
.old_cwp_e (old_cwp_e[2:0]), |
.new_cwp_e (new_cwp_e[2:0]), |
.oddwin_w (oddwin_w[3:0]), |
.oddwin_w (oddwin_w[3:0]), |
.next_cwp (next_cwp), |
/*AUTOINST*/ |
// Outputs |
.rml_ecl_cwp_d (rml_ecl_cwp_d[2:0]), |