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URL https://opencores.org/ocsvn/sdhc-sc-core/sdhc-sc-core/trunk

Subversion Repositories sdhc-sc-core

Compare Revisions

  • This comparison shows the changes necessary to convert path 
    /sdhc-sc-core/trunk/src/grpSd/unitSdCardModel
    from Rev 159 to Rev 160
    ↔ Reverse comparison
  •

Rev 159 → Rev 160

/src/RamAction.sv
9,6 → 9,12
kinds Kind;
int Addr;
DataBlock Data;
 
function new(kinds kind = Read, int addr = 0, DataBlock data = {});
Kind = kind;
Addr = addr;
Data = data;
endfunction
endclass
 
typedef mailbox #(RamAction) RamActionMb;
/src/SdCardModel.sv
17,25 → 17,62
`include "Logger.sv";
`include "RamAction.sv";
 
class RamModel;
local bit[0:511][7:0] data[];
RamActionMb RamActionOutMb;
 
function new(int size);
data = new[size];
endfunction
 
function int size();
return data.size();
endfunction
 
task getDataBlock(logic[31:0] addr, output SdDataBlock block);
RamAction action = new(RamAction::Read, addr, data[addr]);
block = new();
 
for (int i = 0; i < 512; i++) begin
for (int j = 7; j >= 0; j--) begin
block.data.push_back(data[addr][i][j]);
end
end
 
RamActionOutMb.put(action);
endtask
 
task setDataBlock(logic[31:0] addr, SdDataBlock block);
for (int i = 0; i < 512; i++) begin
for (int j = 7; j >= 0; j--) begin
data[addr][i][j] = block.data.pop_front();
end
end
begin
RamAction action = new(RamAction::Write, addr, data[addr]);
RamActionOutMb.put(action);
end
endtask
 
endclass
 
class SdCardModel;
RamActionMb RamActionOutMb;
SdBfmMb SdTransOutMb;
SdBfmMb SdTransInMb;
 
SdBFM bfm;
local SdCardModelState state;
local SdCardModelState state = new();
local RCA_t rca;
local logic CCS;
local Mode_t mode;
local DataMode_t datamode;
local Logger log;
local Logger log = new();
RamModel ram;
 
 
//local rand int datasize; // ram addresses = 2^datasize - 1; 512 byte blocks
//constraint cdatasize {datasize == 32;}
 
local bit[0:511][7:0] ram[];
/*function void post_randomize() ;
this.ram = new[datasize];
42,13 → 79,10
endfunction*/
 
function new();
//this.bfm = bfm;
state = new();
this.CCS = 1;
rca = 0;
mode = standard;
log = new();
ram = new[100];
ram = new(100);
endfunction
 
task start();
254,16 → 288,10
assert(addr <= ram.size()) else log.error("Read outside of available RAM");
response = new(cSdCmdReadSingleBlock, state);
response.DataBlocks = new[1];
response.DataBlocks[0] = new();
//$display("Ram before read (%h): %h", addr, ram[addr]);
ram.getDataBlock(addr, response.DataBlocks[0]);
 
for (int i = 0; i < 512; i++) begin
for (int j = 7; j >= 0; j--) begin
response.DataBlocks[0].data.push_back(ram[addr][i][j]);
end
end
 
this.bfm.send(response);
endtask
 
281,28 → 309,11
 
// recv data
this.bfm.receiveDataBlock(rdblock);
//$display("rddata: %p", rdblock.data);
//$display("datasize: %h", datasize);
//$display("Address (token): %h", token.arg);
//$display("Address: %h", addr);
 
// write into ram
for (int i = 0; i < 512; i++) begin
for (int j = 7; j >= 0; j--) begin
//$display("rd_front: %d", rdblock.data[0:7]);
ram[addr][i][j] = rdblock.data.pop_front();
end
end
 
ram.setDataBlock(addr, rdblock);
this.bfm.waitUntilReady();
this.bfm.sendBusy();
//$display("Ram after write (%h): %h", addr, ram[addr]);
/*$display("Ram after write (%h):", addr);
for(int i = 0; i < 512; i++) begin
$display("idx %d: %d", i, ram[addr][i]);
end*/
 
endtask
 
task recvCMD55(RCA_t rca);

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