wu-arch/kernels
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

CSRs I/O refactoring

Browse Source
This commit is contained in:
Blaise Tine
2021-06-11 03:08:07 -07:00
parent a46d6cb606
commit 3cc1190cd7
33 changed files with 881 additions and 1385 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
hw/rtl/VX_csr_data.v
View File

@@ -96,20 +96,25 @@ module VX_csr_data #(
always @(*) begin
read_data_r = 'x;
case (read_addr)
`CSR_FFLAGS : read_data_r = 32'(fcsr[read_wid][`FFG_BITS-1:0]);
`CSR_FRM : read_data_r = 32'(fcsr[read_wid][`FRM_BITS+`FFG_BITS-1:`FFG_BITS]);
`CSR_FCSR : read_data_r = 32'(fcsr[read_wid]);
`CSR_FFLAGS : read_data_r = 32'(fcsr[read_wid][`FFG_BITS-1:0]);
`CSR_FRM : read_data_r = 32'(fcsr[read_wid][`FRM_BITS+`FFG_BITS-1:`FFG_BITS]);
`CSR_FCSR : read_data_r = 32'(fcsr[read_wid]);
`CSR_WTID ,
`CSR_LTID ,
`CSR_LWID : read_data_r = 32'(read_wid);
`CSR_GTID ,
`CSR_WTID ,
`CSR_LTID ,
`CSR_LWID : read_data_r = 32'(read_wid);
`CSR_GTID ,
/*`CSR_MHARTID ,*/
`CSR_GWID : read_data_r = CORE_ID * `NUM_WARPS + 32'(read_wid);
`CSR_GCID : read_data_r = CORE_ID;
`CSR_NT : read_data_r = `NUM_THREADS;
`CSR_NW : read_data_r = `NUM_WARPS;
`CSR_NC : read_data_r = `NUM_CORES * `NUM_CLUSTERS;
`CSR_GWID : read_data_r = CORE_ID * `NUM_WARPS + 32'(read_wid);
`CSR_GCID : read_data_r = CORE_ID;
`CSR_NT : read_data_r = `NUM_THREADS;
`CSR_NW : read_data_r = `NUM_WARPS;
`CSR_NC : read_data_r = `NUM_CORES * `NUM_CLUSTERS;
`CSR_MCYCLE : read_data_r = csr_cycle[31:0];
`CSR_MCYCLE_H : read_data_r = 32'(csr_cycle[`PERF_CTR_BITS-1:32]);
`CSR_MINSTRET : read_data_r = csr_instret[31:0];
`CSR_MINSTRET_H : read_data_r = 32'(csr_instret[`PERF_CTR_BITS-1:32]);
`ifdef PERF_ENABLE
// PERF: pipeline
@@ -154,12 +159,12 @@ module VX_csr_data #(
`CSR_MPM_DCACHE_CRSP_ST : read_data_r = perf_memsys_if.dcache_crsp_stalls[31:0];
`CSR_MPM_DCACHE_CRSP_ST_H : read_data_r = 32'(perf_memsys_if.dcache_crsp_stalls[`PERF_CTR_BITS-1:32]);
// PERF: smem
`CSR_MPM_SMEM_READS : read_data_r = perf_memsys_if.smem_reads[31:0];
`CSR_MPM_SMEM_READS_H : read_data_r = 32'(perf_memsys_if.smem_reads[`PERF_CTR_BITS-1:32]);
`CSR_MPM_SMEM_WRITES : read_data_r = perf_memsys_if.smem_writes[31:0];
`CSR_MPM_SMEM_WRITES_H : read_data_r = 32'(perf_memsys_if.smem_writes[`PERF_CTR_BITS-1:32]);
`CSR_MPM_SMEM_BANK_ST : read_data_r = perf_memsys_if.smem_bank_stalls[31:0];
`CSR_MPM_SMEM_BANK_ST_H : read_data_r = 32'(perf_memsys_if.smem_bank_stalls[`PERF_CTR_BITS-1:32]);
`CSR_MPM_SMEM_READS : read_data_r = perf_memsys_if.smem_reads[31:0];
`CSR_MPM_SMEM_READS_H : read_data_r = 32'(perf_memsys_if.smem_reads[`PERF_CTR_BITS-1:32]);
`CSR_MPM_SMEM_WRITES : read_data_r = perf_memsys_if.smem_writes[31:0];
`CSR_MPM_SMEM_WRITES_H : read_data_r = 32'(perf_memsys_if.smem_writes[`PERF_CTR_BITS-1:32]);
`CSR_MPM_SMEM_BANK_ST : read_data_r = perf_memsys_if.smem_bank_stalls[31:0];
`CSR_MPM_SMEM_BANK_ST_H : read_data_r = 32'(perf_memsys_if.smem_bank_stalls[`PERF_CTR_BITS-1:32]);
// PERF: MEM
`CSR_MPM_MEM_READS : read_data_r = perf_memsys_if.mem_reads[31:0];
`CSR_MPM_MEM_READS_H : read_data_r = 32'(perf_memsys_if.mem_reads[`PERF_CTR_BITS-1:32]);
@@ -169,6 +174,9 @@ module VX_csr_data #(
`CSR_MPM_MEM_ST_H : read_data_r = 32'(perf_memsys_if.mem_stalls[`PERF_CTR_BITS-1:32]);
`CSR_MPM_MEM_LAT : read_data_r = perf_memsys_if.mem_latency[31:0];
`CSR_MPM_MEM_LAT_H : read_data_r = 32'(perf_memsys_if.mem_latency[`PERF_CTR_BITS-1:32]);
// PERF: reserved
`CSR_MPM_RESERVED : read_data_r = '0;
`CSR_MPM_RESERVED_H : read_data_r = '0;
`endif
`CSR_SATP : read_data_r = 32'(csr_satp);
@@ -185,17 +193,15 @@ module VX_csr_data #(
`CSR_PMPCFG0 : read_data_r = 32'(csr_pmpcfg[0]);
`CSR_PMPADDR0 : read_data_r = 32'(csr_pmpaddr[0]);
`CSR_CYCLE : read_data_r = csr_cycle[31:0];
`CSR_CYCLE_H : read_data_r = 32'(csr_cycle[`PERF_CTR_BITS-1:32]);
`CSR_INSTRET : read_data_r = csr_instret[31:0];
`CSR_INSTRET_H : read_data_r = 32'(csr_instret[`PERF_CTR_BITS-1:32]);
`CSR_MVENDORID : read_data_r = `VENDOR_ID;
`CSR_MARCHID : read_data_r = `ARCHITECTURE_ID;
`CSR_MIMPID : read_data_r = `IMPLEMENTATION_ID;
default: begin
assert(~read_enable) else $error("%t: invalid CSR read address: %0h", $time, read_addr);
default: begin
if (!((read_addr >= `CSR_MPM_BASE && read_addr < (`CSR_MPM_BASE + 32))
| (read_addr >= `CSR_MPM_BASE_H && read_addr < (`CSR_MPM_BASE_H + 32)))) begin
assert(~read_enable) else $error("%t: invalid CSR read address: %0h", $time, read_addr);
end
end
endcase
end