OpenCores
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/src
    from Rev 158 to Rev 159
    ↔ Reverse comparison
  •

Rev 158 → Rev 159

/SdBFM-impl.sv
184,7 → 184,7
 
for (int j = 0; j < 512*2; j++) begin
@ICard.cb;
for(int i = 0; i < 4; i++) begin
for(int i = 3; i >= 0; i--) begin
block.data.push_back(ICard.cb.Data[i]);
end
end
192,7 → 192,7
// crc
for (int j = 0; j < 16; j++) begin
@ICard.cb;
for(int i = 0; i < 4; i++) begin
for(int i = 3; i >= 0; i--) begin
crc[i] = ICard.cb.Data[i];
end
end
/SdCardModel.sv
32,14 → 32,14
local Logger log;
 
 
local rand int datasize; // ram addresses = 2^datasize - 1; 512 byte blocks
constraint cdatasize {datasize > 1; datasize <= 32;}
//local rand int datasize; // ram addresses = 2^datasize - 1; 512 byte blocks
//constraint cdatasize {datasize == 32;}
 
local bit[512*8-1:0] ram[];
local bit[0:511][7:0] ram[];
function void post_randomize() ;
this.ram = new[2^(datasize-1)];
endfunction
/*function void post_randomize() ;
this.ram = new[datasize];
endfunction*/
 
function new();
//this.bfm = bfm;
48,6 → 48,7
rca = 0;
mode = standard;
log = new();
ram = new[100];
endfunction
 
task start();
249,15 → 250,17
 
// expect Read
assert(token.id == cSdCmdReadSingleBlock);
addr = token.arg[0];
assert(addr < ram.size());
addr = token.arg;
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]);
 
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*8 + j]);
response.DataBlocks[0].data.push_back(ram[addr][i][j]);
end
end
 
272,7 → 275,7
// expect Write
assert(token.id == cSdCmdWriteSingleBlock);
addr = token.arg;
assert(addr < ram.size());
assert(addr <= ram.size()) else log.error("Write outside of available RAM");
response = new(cSdCmdWriteSingleBlock, state);
this.bfm.send(response);
 
286,7 → 289,8
// write into ram
for (int i = 0; i < 512; i++) begin
for (int j = 7; j >= 0; j--) begin
ram[addr][i * 8 + j] = rdblock.data.pop_front();
//$display("rd_front: %d", rdblock.data[0:7]);
ram[addr][i][j] = rdblock.data.pop_front();
end
end
 
293,7 → 297,11
this.bfm.waitUntilReady();
this.bfm.sendBusy();
//$display("Ram at write address: %h", ram[addr]);
//$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
 

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