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切换大块SRAM

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This commit is contained in:
RuigeLee
2024-11-04 17:38:51 +08:00
parent 7754f6b64e
commit b1c71b67a0
2 changed files with 37 additions and 47 deletions
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14
src/main/scala/backBoard/pico/SimpleSRAM.scala
View File

@@ -15,22 +15,22 @@ class SimpleSRAM()(implicit p: Parameters) extends BackModule{
val io: SimpleSRAMIO = IO(new SimpleSRAMIO)
val mem = SyncReadMem(1024, Vec(4, UInt(8.W)))
val mem = SyncReadMem(1024, UInt(32.W))
io.mem.rdata := DontCare
// when(io.mem.valid) {
mem.write(
io.mem.addr(11,2),
VecInit( io.mem.wdata(31,24), io.mem.wdata(23,16), io.mem.wdata(15,8), io.mem.wdata(7,0) ),
VecInit( io.mem.valid & io.mem.wstrb.extract(3), io.mem.valid & io.mem.wstrb.extract(2), io.mem.valid & io.mem.wstrb.extract(1), io.mem.valid & io.mem.wstrb.extract(0) )
)
when( io.mem.valid & io.mem.wstrb.extract(0) ){
mem.write( io.mem.addr(11,2), io.mem.wdata )
assert( io.mem.wstrb.extract(1) & io.mem.wstrb.extract(2) & io.mem.wstrb.extract(3) )
}
io.mem.rdata := Cat( mem.read(io.mem.addr(11,2), true.B).reverse )
io.mem.rdata := mem.read(io.mem.addr(11,2), true.B)
// when ( io.mem.wstrb =/= 0.U ) {

70
tb/backSys_tb.v
View File

@@ -119,10 +119,8 @@ initial begin
end
`define SRAM0 s_Mst.sram.mem_0.mem_0_ext.ram
`define SRAM1 s_Mst.sram.mem_1.mem_0_ext.ram
`define SRAM2 s_Mst.sram.mem_2.mem_0_ext.ram
`define SRAM3 s_Mst.sram.mem_3.mem_0_ext.ram
`define SRAM s_Mst.sram.mem.mem_ext.ram
localparam DP = 2**14;
@@ -132,32 +130,24 @@ end
initial begin
$readmemh("./tb/sw/build/mstTest.verilog", mem);
for ( i = 0; i < DP; i = i + 1 ) begin
`SRAM0[i] = | mem[i*4+0] ? mem[i*4+0]: 8'h0;
`SRAM1[i] = | mem[i*4+1] ? mem[i*4+1]: 8'h0;
`SRAM2[i] = | mem[i*4+2] ? mem[i*4+2]: 8'h0;
`SRAM3[i] = | mem[i*4+3] ? mem[i*4+3]: 8'h0;
`SRAM[i][7:0] = | mem[i*4+0] ? mem[i*4+0]: 8'h0;
`SRAM[i][15:8] = | mem[i*4+1] ? mem[i*4+1]: 8'h0;
`SRAM[i][23:16] = | mem[i*4+2] ? mem[i*4+2]: 8'h0;
`SRAM[i][31:24] = | mem[i*4+3] ? mem[i*4+3]: 8'h0;
// $display("ITCM %h: %h,%h", i*4,`SRAM_ODD.ram[i],`SRAM_EVE.ram[i]);
end
end
`define SLV0_SRAM0 s_Slv0.sram.mem_0.mem_0_ext.ram
`define SLV0_SRAM1 s_Slv0.sram.mem_1.mem_0_ext.ram
`define SLV0_SRAM2 s_Slv0.sram.mem_2.mem_0_ext.ram
`define SLV0_SRAM3 s_Slv0.sram.mem_3.mem_0_ext.ram
`define SLV1_SRAM0 s_Slv1.sram.mem_0.mem_0_ext.ram
`define SLV1_SRAM1 s_Slv1.sram.mem_1.mem_0_ext.ram
`define SLV1_SRAM2 s_Slv1.sram.mem_2.mem_0_ext.ram
`define SLV1_SRAM3 s_Slv1.sram.mem_3.mem_0_ext.ram
`define SLV2_SRAM0 s_Slv2.sram.mem_0.mem_0_ext.ram
`define SLV2_SRAM1 s_Slv2.sram.mem_1.mem_0_ext.ram
`define SLV2_SRAM2 s_Slv2.sram.mem_2.mem_0_ext.ram
`define SLV2_SRAM3 s_Slv2.sram.mem_3.mem_0_ext.ram
`define SLV3_SRAM0 s_Slv3.sram.mem_0.mem_0_ext.ram
`define SLV3_SRAM1 s_Slv3.sram.mem_1.mem_0_ext.ram
`define SLV3_SRAM2 s_Slv3.sram.mem_2.mem_0_ext.ram
`define SLV3_SRAM3 s_Slv3.sram.mem_3.mem_0_ext.ram
`define SLV0_SRAM s_Slv0.sram.mem.mem_ext.ram
`define SLV1_SRAM s_Slv1.sram.mem.mem_ext.ram
`define SLV2_SRAM s_Slv2.sram.mem.mem_ext.ram
`define SLV3_SRAM s_Slv3.sram.mem.mem_ext.ram
localparam DPS = 2**14;
@@ -165,25 +155,25 @@ end
initial begin
$readmemh("./tb/sw/build/slvTest.verilog", mem);
for ( i = 0; i < DP; i = i + 1 ) begin
`SLV0_SRAM0[i] = | mem[i*4+0] ? mem[i*4+0]: 8'h0;
`SLV0_SRAM1[i] = | mem[i*4+1] ? mem[i*4+1]: 8'h0;
`SLV0_SRAM2[i] = | mem[i*4+2] ? mem[i*4+2]: 8'h0;
`SLV0_SRAM3[i] = | mem[i*4+3] ? mem[i*4+3]: 8'h0;
`SLV0_SRAM[i][7:0] = | mem[i*4+0] ? mem[i*4+0]: 8'h0;
`SLV0_SRAM[i][15:8] = | mem[i*4+1] ? mem[i*4+1]: 8'h0;
`SLV0_SRAM[i][23:16] = | mem[i*4+2] ? mem[i*4+2]: 8'h0;
`SLV0_SRAM[i][31:24] = | mem[i*4+3] ? mem[i*4+3]: 8'h0;
`SLV1_SRAM0[i] = | mem[i*4+0] ? mem[i*4+0]: 8'h0;
`SLV1_SRAM1[i] = | mem[i*4+1] ? mem[i*4+1]: 8'h0;
`SLV1_SRAM2[i] = | mem[i*4+2] ? mem[i*4+2]: 8'h0;
`SLV1_SRAM3[i] = | mem[i*4+3] ? mem[i*4+3]: 8'h0;
`SLV1_SRAM[i][7:0] = | mem[i*4+0] ? mem[i*4+0]: 8'h0;
`SLV1_SRAM[i][15:8] = | mem[i*4+1] ? mem[i*4+1]: 8'h0;
`SLV1_SRAM[i][23:16] = | mem[i*4+2] ? mem[i*4+2]: 8'h0;
`SLV1_SRAM[i][31:24] = | mem[i*4+3] ? mem[i*4+3]: 8'h0;
`SLV2_SRAM0[i] = | mem[i*4+0] ? mem[i*4+0]: 8'h0;
`SLV2_SRAM1[i] = | mem[i*4+1] ? mem[i*4+1]: 8'h0;
`SLV2_SRAM2[i] = | mem[i*4+2] ? mem[i*4+2]: 8'h0;
`SLV2_SRAM3[i] = | mem[i*4+3] ? mem[i*4+3]: 8'h0;
`SLV2_SRAM[i][7:0] = | mem[i*4+0] ? mem[i*4+0]: 8'h0;
`SLV2_SRAM[i][15:8] = | mem[i*4+1] ? mem[i*4+1]: 8'h0;
`SLV2_SRAM[i][23:16] = | mem[i*4+2] ? mem[i*4+2]: 8'h0;
`SLV2_SRAM[i][31:24] = | mem[i*4+3] ? mem[i*4+3]: 8'h0;
`SLV3_SRAM0[i] = | mem[i*4+0] ? mem[i*4+0]: 8'h0;
`SLV3_SRAM1[i] = | mem[i*4+1] ? mem[i*4+1]: 8'h0;
`SLV3_SRAM2[i] = | mem[i*4+2] ? mem[i*4+2]: 8'h0;
`SLV3_SRAM3[i] = | mem[i*4+3] ? mem[i*4+3]: 8'h0;
`SLV3_SRAM[i][7:0] = | mem[i*4+0] ? mem[i*4+0]: 8'h0;
`SLV3_SRAM[i][15:8] = | mem[i*4+1] ? mem[i*4+1]: 8'h0;
`SLV3_SRAM[i][23:16] = | mem[i*4+2] ? mem[i*4+2]: 8'h0;
`SLV3_SRAM[i][31:24] = | mem[i*4+3] ? mem[i*4+3]: 8'h0;
// $display("ITCM %h: %h,%h", i*4,`SRAM_ODD.ram[i],`SRAM_EVE.ram[i]);
end
end