Changeset 149 for trunk/modules/vci_vdspin_target_wrapper

Timestamp:

May 2, 2011, 9:19:14 AM (14 years ago)

Author:

alain

Message:

bug fixing

Location:

trunk/modules/vci_vdspin_target_wrapper/caba/source

Files:

• include/vci_vdspin_target_wrapper.h (modified) (3 diffs)
• src/vci_vdspin_target_wrapper.cpp (modified) (12 diffs)

trunk/modules/vci_vdspin_target_wrapper/caba/source/include/vci_vdspin_target_wrapper.h

@@ -69 +69 @@
     CMD_BROADCAST,
     CMD_RW,
+    CMD_READ,
     CMD_WDATA,
     };
@@ -100 +101 @@
     sc_core::sc_signal<sc_uint<dspin_cmd_width> >               r_cmd_buf1;
     sc_core::sc_signal<int>                                     r_rsp_fsm;
+    sc_core::sc_signal<size_t>                                  r_flit_count;
 
     // fifos cmd and rsp
@@ -108 +110 @@
     void transition();
     void genMoore();
+
+public:
+    void print_trace();
 
 };

trunk/modules/vci_vdspin_target_wrapper/caba/source/src/vci_vdspin_target_wrapper.cpp

@@ -102 +102 @@
 
         // r_rsp_fsm, rsp_fifo_write and rsp_fifo_data
+        rsp_fifo_write = false;         // default value
+
         switch(r_rsp_fsm) {
             case RSP_IDLE:              // write first DSPIN flit into rsp_fifo
@@ -123 +125 @@
                     }
                 }
-                else
-                {
-                    rsp_fifo_write = false;
-                }
                 break;
             }
@@ -140 +138 @@
                         r_rsp_fsm = RSP_IDLE;
                     }
-                }
-                else
-                {
-                    rsp_fifo_write = false;
                 }
                 break;
@@ -171 +165 @@
         // - A N+2 flits DSPIN write command is translated
         //   to a N flits VCI write command. 
-        // The VCI flits are sent in the CMD_RW, CMD_WDATA 
+        // The VCI flits are sent in the CMD_READ, CMD_WDATA 
         // & CMD_BROADCAST states. 
         // The r_cmd_buf0 et r_cmd_buf1 buffers are used to store
@@ -182 +176 @@
 
         // r_cmd_fsm, cmd_fifo_read
+        cmd_fifo_read = false;          // default value
+
         switch(r_cmd_fsm) {
             case CMD_IDLE:
             {
-                if( r_fifo_cmd.rok() && p_vci.cmdack )
+                if( r_fifo_cmd.rok() )
                 {
                     bool is_broadcast = ( (r_fifo_cmd.read() & 0x1) == 0x1);
 
                     cmd_fifo_read = true;
-                    r_cmd_buf0    = r_fifo_cmd.read();
+                    r_cmd_buf0    = r_fifo_cmd.read();          // save address
                     if ( is_broadcast ) r_cmd_fsm = CMD_BROADCAST;
                     else                r_cmd_fsm = CMD_RW;
                 }
-                else
-                {
-                    cmd_fifo_read = false;
-                }
                 break;
             }
@@ -207 +199 @@
                     r_cmd_fsm = CMD_IDLE;
                 }
-                else
-                {
-                    cmd_fifo_read = false;
-                }
                 break;
             }
             case CMD_RW:
             {
-                if( r_fifo_cmd.rok() && p_vci.cmdack )
+                if( r_fifo_cmd.rok() )
                 {
                     cmd_fifo_read = true;
-                    if ( (r_fifo_cmd.read() & 0x8000000000) )   // read command
-                    {
-                        r_cmd_fsm = CMD_IDLE;
-                    }
-                    else                                        // write command
-                    {
-                        r_cmd_fsm  = CMD_WDATA;
-                        r_cmd_buf1 = r_fifo_cmd.read();
-                    }
+                    r_cmd_buf1 = r_fifo_cmd.read();             // save command parameters
+                    // read command if EOP
+                    if ( (r_fifo_cmd.read() & 0x8000000000) )   r_cmd_fsm = CMD_READ;
+                    else                                        r_cmd_fsm = CMD_WDATA;
+                    r_flit_count = 0;
                 }
-                else
-                {
-                    cmd_fifo_read = false;
-                }
                 break;
             }
+            case CMD_READ:
+            {
+                if ( p_vci.cmdack.read() ) r_cmd_fsm = CMD_IDLE;
+                break;
+            }
             case CMD_WDATA:
             {
-                if( r_fifo_cmd.rok() && p_vci.cmdack )
-                {
+                if( r_fifo_cmd.rok() && p_vci.cmdack.read() )
+                {
+                    if ( (r_cmd_buf1.read() & 0x0000200000) == 0 ) r_flit_count = r_flit_count + 1;
                     cmd_fifo_read = true;
                     if ( (r_fifo_cmd.read() & 0x8000000000) )   r_cmd_fsm = CMD_IDLE;
                 }
-                else
-                {
-                    cmd_fifo_read = false;
-                }
                 break;
             }
@@ -264 +246 @@
 
         // VCI CMD interface
-        if ( r_cmd_fsm.read() == CMD_IDLE )
+        if ( (r_cmd_fsm.read() == CMD_IDLE) || (r_cmd_fsm.read() == CMD_RW) )
         {
             p_vci.cmdval = false;
@@ -272 +254 @@
             if ( r_fifo_cmd.rok() )
             {
+                sc_uint<dspin_cmd_width>  minmax = r_cmd_buf0.read() & 0x7FFFF80000;
+                if ( vci_param::N == 40 ) minmax = (minmax << 1);
+                else                      minmax = (minmax >> (39 - vci_param::N) ); 
                 p_vci.cmdval  = true;
-                p_vci.address = (sc_uint<vci_param::N>)((r_cmd_buf0.read() & 0x7FFFF80000) << 1) | 0x3;
+                p_vci.address = (sc_uint<vci_param::N>)minmax | 0x3;
                 p_vci.cmd     = vci_param::CMD_WRITE;
                 p_vci.wdata   = (sc_uint<8*vci_param::B>)(r_fifo_cmd.read() & 0x00FFFFFFFF);
@@ -281 +266 @@
                 p_vci.pktid   = 0;
                 p_vci.plen    = vci_param::B;
+                p_vci.contig  = true;
+                p_vci.cons    = false;
                 p_vci.eop     = true;
             }
@@ -288 +275 @@
             }
         }
-        else if ( r_cmd_fsm.read() == CMD_RW )          // VCI read if eop
+        else if ( r_cmd_fsm.read() == CMD_READ )        // VCI CMD read
         {            
-            if ( r_fifo_cmd.rok() & ((r_fifo_cmd.read() & 0x8000000000) == 0x8000000000) )
-            {
-                p_vci.cmdval  = true;
-                p_vci.address = (sc_uint<vci_param::N>)((r_cmd_buf0.read() & 0x7FFFFFFFFE) << 1);
-                p_vci.cmd     = (sc_uint<2>)((r_fifo_cmd.read()            & 0x0001800000) >> 23);
-                p_vci.wdata   = 0;
-                p_vci.be      = (sc_uint<vci_param::B>)((r_fifo_cmd.read() & 0x000000001E) >> 1);
-                p_vci.srcid   = (sc_uint<vci_param::S>)((r_fifo_cmd.read() & 0x7FFE000000) >> 25);
-                p_vci.trdid   = (sc_uint<vci_param::T>)((r_fifo_cmd.read() & 0x0000001FE0) >> 5);
-                p_vci.pktid   = 0;
-                p_vci.plen    = (sc_uint<vci_param::K>)((r_fifo_cmd.read() & 0x00001FE000) >> 13);
-                p_vci.eop     = true;
-            }
-            else
-            {
-                p_vci.cmdval = false;
-            }
+            sc_uint<vci_param::N> address;
+            if ( vci_param::N == 40 ) address = (r_cmd_buf0.read() << 1);
+            else                      address = (r_cmd_buf0.read() >> (39 - vci_param::N) ); 
+            p_vci.cmdval  = true;
+            p_vci.address = address;
+            p_vci.cmd     = (sc_uint<2>)((r_cmd_buf1.read()            & 0x0001800000) >> 23);
+            p_vci.wdata   = 0;
+            p_vci.be      = (sc_uint<vci_param::B>)((r_cmd_buf1.read() & 0x000000001E) >> 1);
+            p_vci.srcid   = (sc_uint<vci_param::S>)((r_cmd_buf1.read() & 0x7FFE000000) >> 25);
+            p_vci.trdid   = (sc_uint<vci_param::T>)((r_cmd_buf1.read() & 0x0000001FE0) >> 5);
+            p_vci.pktid   = 0;
+            p_vci.plen    = (sc_uint<vci_param::K>)((r_cmd_buf1.read() & 0x00001FE000) >> 13);
+            p_vci.contig  = ((r_cmd_buf1.read() & 0x0000400000) != 0);
+            p_vci.cons    = ((r_cmd_buf1.read() & 0x0000200000) != 0);
+            p_vci.eop     = true;
         }
-        else if ( r_cmd_fsm.read() == CMD_WDATA )       // VCI write
+        else if ( r_cmd_fsm.read() == CMD_WDATA )       // VCI write command
         {
             if ( r_fifo_cmd.rok() )  
             {
+                sc_uint<vci_param::N> address;
+                if ( vci_param::N == 40 ) address = (r_cmd_buf0.read() << 1);
+                else                      address = (r_cmd_buf0.read() >> (39 - vci_param::N) ); 
                 p_vci.cmdval  = true;
-                p_vci.address = (sc_uint<vci_param::N>)((r_cmd_buf0.read()   & 0x7FFFFFFFFE) << 1);
+                p_vci.address = address + (r_flit_count.read()*vci_param::B);
                 p_vci.cmd     = (sc_uint<2>)((r_cmd_buf1.read()              & 0x0001800000) >> 23);
                 p_vci.wdata   = (sc_uint<8*vci_param::B>)(r_fifo_cmd.read()  & 0x00FFFFFFFF);
@@ -321 +309 @@
                 p_vci.pktid   = 0;
                 p_vci.plen    = (sc_uint<vci_param::K>)((r_cmd_buf1.read() & 0x00001FE000) >> 13);
+                p_vci.contig  = ((r_cmd_buf1.read() & 0x0000400000) != 0);
+                p_vci.cons    = ((r_cmd_buf1.read() & 0x0000200000) != 0);
                 p_vci.eop     = ((r_fifo_cmd.read() & 0x8000000000) == 0x8000000000); 
             }
@@ -337 +327 @@
 
 }; // end genMoore
+
+/////////////////////////
+tmpl(void)::print_trace()
+{
+    const char* cmd_str[] = {
+    "CMD_IDLE     ",
+    "CMD_BROADCAST",
+    "CMD_RW       ",
+    "CMD_READ     ",
+    "CMD_WDATA    ",
+    };
+    const char* rsp_str[] = {
+    "RSP_IDLE     ",
+    "RSP_READ     ",
+    "RSP_WRITE    ",
+    };
+    std::cout << name() << " : " << cmd_str[r_cmd_fsm.read()]
+                        << " | " << rsp_str[r_rsp_fsm.read()] 
+                        << " | fifo_cmd = " << r_fifo_cmd.filled_status()
+                        << " | fifo_rsp = " << r_fifo_rsp.filled_status()
+                        << std::endl;
+}
 
 }} // end namespace