Testing out PIP

app_swallow_etherboot/Makefile

@@ -1,15 +1,15 @@
 # The TARGET variable determines what target system the application is
 # compiled for. It either refers to an XN file in the source directories
 # or a valid argument for the --target option when compiling
-TARGET = Swallow-SDRAM256
+TARGET = Swallow-Ethernet
 
 # The APP_NAME variable determines the name of the final .xe file. It should
 # not include the .xe postfix. If left blank the name will default to
 # the project name
 APP_NAME = swallow_etherboot
 
 # The USED_MODULES variable lists other module used by the application.
-USED_MODULES = swallow_comms swallow-xlinkboot base_xlinkboot module_ethernet
+USED_MODULES = swallow_comms swallow-xlinkboot base_xlinkboot module_ethernet pip
 
 # The flags passed to xcc when building the application
 # You can also set the following to override flags for a particular language:
@@ -19,7 +19,7 @@ USED_MODULES = swallow_comms swallow-xlinkboot base_xlinkboot module_ethernet
 ifeq "$(CONFIG)" "Debug"
 XCC_FLAGS = -g -O0
 else
-XCC_FLAGS = -g -O3
+XCC_FLAGS = -g -O3 -report -lxscope
 endif
 
 # The VERBOSE variable, if set to 1, enables verbose output from the make

app_swallow_etherboot/Swallow-Ethernet.xn

@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Network xmlns="http://www.xmos.com"
+xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+xsi:schemaLocation="http://www.xmos.com http://www.xmos.com">
+  <Type>Board</Type>
+  <Name>Swallow 256Mbit SDRAM Board</Name>
+
+    <Declarations>
+    <Declaration>core stdcore[1]</Declaration>
+  </Declarations>
+
+  <Packages>
+    <Package id="0" Type="XS1-L1A-TQ128">
+      <Nodes>
+        <Node Id="0" InPackageId="0" Type="XS1-L1A" Oscillator="25MHz" ReferenceFrequency="100MHz" SystemFrequency="600MHz">
+
+          <Boot>
+            <Source Location="SPI:bootFlash"/>
+          </Boot>
+
+          <Core Number="0" Reference="stdcore[0]">
+           <!--<Port Location="XS1_PORT_1L" Name="L1_LED"/>--> <!--  "L1_LED on board -->
+
+            <Port Location="XS1_PORT_1A" Name="SPI_SO"/> <!--  SPI flash lines -->
+            <Port Location="XS1_PORT_1B" Name="SPI_SS"/>
+            <Port Location="XS1_PORT_1C" Name="SPI_CLK"/>
+            <Port Location="XS1_PORT_1D" Name="SPI_SI"/>
+
+            <Port Location="XS1_PORT_1I" Name="I2C_SDA"/> <!-- I2C data line -->
+            <Port Location="XS1_PORT_1J" Name="I2C_SCK"/> <!-- I2C clock line -->
+
+            <Port Location="XS1_PORT_1G" Name="PORT_ETH_RXCLK" />
+            <!--<Port Location="XS1_PORT_1H" Name="PORT_ETH_RXER" /> Shared port -->
+            <Port Location="XS1_PORT_1K" Name="PORT_ETH_RXDV" />
+            <Port Location="XS1_PORT_4C" Name="PORT_ETH_RXD" />
+            <Port Location="XS1_PORT_1F" Name="PORT_ETH_TXCLK" />
+            <Port Location="XS1_PORT_1L" Name="PORT_ETH_TXEN" />
+            <Port Location="XS1_PORT_4D" Name="PORT_ETH_TXD" />
+            <Port Location="XS1_PORT_1J" Name="PORT_ETH_MDC" />
+            <Port Location="XS1_PORT_1I" Name="PORT_ETH_MDIO" />
+            <!-- <Port Location="XS1_PORT_1B" Name="PORT_ETH_RST_N" /> Shared port -->
+            <!-- <Port Location="XS1_PORT_8B" Name="PORT_ETH_FAKE" /> Shared port -->
+
+         </Core>
+        </Node>
+      </Nodes>
+    </Package>
+  </Packages>
+
+  <Links>
+    <!-- XSCOPE -->
+	<Link Encoding="2wire" Delays="4,4" Flags="SOD">
+	  <LinkEndpoint NodeId="0" Link="XLD"/>
+	  <LinkEndpoint RoutingId="0x8000" Chanend="1"/>
+	</Link>
+  </Links>
+
+  <ExternalDevices>
+    <Device NodeId="0" Core="0" Class="SPIFlash" Name="bootFlash" Type="FL064K1F"> <!-- is AT25FS010 compatible -->
+     <!--  <Device NodeId="0" Core="0" Class="SPIFlash" Name="bootFlash" Type="AT25FS010"> -->
+      <Attribute Name="PORT_SPI_MISO" Value="SPI_SO"/>
+      <Attribute Name="PORT_SPI_SS"   Value="SPI_SS"/>
+      <Attribute Name="PORT_SPI_CLK"  Value="SPI_CLK"/>
+      <Attribute Name="PORT_SPI_MOSI" Value="SPI_SI"/>
+    </Device>
+  </ExternalDevices>
+
+  <JTAGChain>
+     <JTAGDevice NodeId="0"/>
+  </JTAGChain>
+
+</Network>

app_swallow_etherboot/src/ethernet_conf.h

@@ -0,0 +1,6 @@
+#define ETHERNET_DEFAULT_IMPLEMENTATION lite
+
+#define MAX_ETHERNET_PACKET_SIZE (1518)
+
+#define MAX_ETHERNET_CLIENTS   (4)    
+

app_swallow_etherboot/src/main.xc

@@ -0,0 +1,86 @@
+/*
+ * swallow_etherboot - Boot a Swallow grid using Ethernet
+ *
+ * Copyright (C) 2012 Steve Kerrison <[email protected]>
+ *
+ * This software is freely distributable under a derivative of the
+ * University of Illinois/NCSA Open Source License posted in
+ * LICENSE.txt and at <http://github.xcore.com/>
+ */
+
+#include <platform.h>
+#include <print.h>
+#include <xscope.h>
+#include "smi.h"
+#include "mii_driver.h"
+#include "mii.h"
+#include "pipServer.h"
+#include "tcpApplication.h"
+#include "ipv4.h"
+#include "udpApplication.h"
+
+#define PORT_ETH_FAKE   XS1_PORT_8C
+#define PORT_ETH_RXER   XS1_PORT_1H
+#define PORT_ETH_RST_N  XS1_PORT_1A
+
+mii_interface_t mii =
+  {
+    XS1_CLKBLK_1,
+    XS1_CLKBLK_2,
+
+    PORT_ETH_RXCLK,
+    PORT_ETH_RXER,
+    PORT_ETH_RXD,
+    PORT_ETH_RXDV,
+
+    PORT_ETH_TXCLK,
+    PORT_ETH_TXEN,
+    PORT_ETH_TXD,
+
+    PORT_ETH_FAKE,
+  };
+
+out port p_mii_resetn = PORT_ETH_RST_N;
+smi_interface_t smi = { 0x1F, PORT_ETH_MDIO, PORT_ETH_MDC };
+
+clock clk_smi = XS1_CLKBLK_5;
+
+void udpEcho(streaming chanend ch)
+{
+  unsigned char buffer [1500];
+  unsigned rip, rport;
+  int len;
+  while (1)
+  {
+    len = pipApplicationReadUDP(ch, buffer, 0, 1500, rip, rport, 1234);
+    pipApplicationWriteUDP(ch, buffer, 0, len, rip, 1234, rport);
+  }
+}
+
+void tcpEcho(streaming chanend ch)
+{
+  unsigned char buffer [1500];
+  int len;
+  pipApplicationAccept(ch, 0);
+  while (1)
+  {
+    len = pipApplicationRead(ch, 0, buffer, 1500);
+    pipApplicationWrite(ch, 0, buffer, len);
+  }
+}
+
+int main(void) {
+	streaming chan tcpApps[1];
+	streaming chan udpApps[1];
+  char ip[] = {4,128,168,192};
+  xscope_register(0);
+  xscope_config_io(XSCOPE_IO_BASIC);
+  pipAssignIPv4((ip,unsigned), 0, 0);
+  par
+  {
+    pipServer(clk_smi, p_mii_resetn, smi, mii, tcpApps, udpApps);
+    //udpEcho(udpApps[0]);
+    tcpEcho(tcpApps[0]);
+  }
+  return 0;
+}

app_swallow_etherboot/src/pip_conf.h

@@ -0,0 +1,7 @@
+#define PIP_TCP_CHANNELS  1     // At most one application
+#define PIP_UDP_CHANNELS  1     // At most one application
+
+#define PIP_ICMP
+#define PIP_UDP
+#define PIP_TCP           1
+#define PIP_ETHTX_WORDS   800