From 62d47e97c483445352731dba0bd30c1d56ffdcd4 Mon Sep 17 00:00:00 2001
From: Florian Sylvestre <fsylvestre@baylibre.com>
Date: Thu, 21 Sep 2023 17:30:45 +0200
Subject: [PATCH] spider: add lwip example with NO_SYS undefined

---
 .../cortex-a-r/armv8/spider/lwip/build.sh     |  15 +++
 examples/cortex-a-r/armv8/spider/lwip/lwip.c  |  57 +++++++++
 .../cortex-a-r/armv8/spider/lwip/lwip.oil     | 108 ++++++++++++++++++
 3 files changed, 180 insertions(+)
 create mode 100755 examples/cortex-a-r/armv8/spider/lwip/build.sh
 create mode 100755 examples/cortex-a-r/armv8/spider/lwip/lwip.c
 create mode 100755 examples/cortex-a-r/armv8/spider/lwip/lwip.oil

diff --git a/examples/cortex-a-r/armv8/spider/lwip/build.sh b/examples/cortex-a-r/armv8/spider/lwip/build.sh
new file mode 100755
index 000000000..9d6672db6
--- /dev/null
+++ b/examples/cortex-a-r/armv8/spider/lwip/build.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+#stop on errors
+set -e
+
+if [[ ! -d "_build" ]]
+then
+    mkdir _build
+fi
+
+echo "*** Run Goil ***"
+goil --target=cortex-a-r/armv8/spider --templates=../../../../../goil/templates/ lwip.oil
+
+echo "*** Run Make ***"
+./make.py
diff --git a/examples/cortex-a-r/armv8/spider/lwip/lwip.c b/examples/cortex-a-r/armv8/spider/lwip/lwip.c
new file mode 100755
index 000000000..3d0ad3461
--- /dev/null
+++ b/examples/cortex-a-r/armv8/spider/lwip/lwip.c
@@ -0,0 +1,57 @@
+#include "tpl_os.h"
+
+#include "spider_serial.h"
+#include "printf.h"
+#include "utils.h"
+
+#include "ethif.h"
+
+/* lwIP core includes */
+#include "lwip/opt.h"
+#include "lwip/dhcp.h"
+#include "lwip/tcpip.h"
+
+struct netif this_netif;
+
+FUNC(int, OS_APPL_CODE) main(void)
+{
+	Serial_Init();
+	StartOS(OSDEFAULTAPPMODE);
+	return 0;
+}
+
+#define DHCP 0
+
+TASK(lwip)
+{
+	debug_msg("init: call");
+	struct netif this_netif;
+	ip4_addr_t ip4_addr, net_mask, gateway;
+
+	debug_msg("init ethernet low level");
+	rswitch_enable_clock_and_reset();
+	port_init();
+
+	debug_msg("ethernet_init_inside_thread");
+	tcpip_init(NULL,NULL);
+
+	IP4_ADDR(&ip4_addr, 192, 168, 1, 2);
+	IP4_ADDR(&net_mask, 255, 255, 255, 0);
+	IP4_ADDR(&gateway, 192, 168, 1, 255);
+#if DHCP==1
+	netif_add( &this_netif, NULL, &net_mask, NULL, NULL, ethif_init, tcpip_input);
+#else
+	netif_add( &this_netif, &ip4_addr, &net_mask, NULL, NULL, ethif_init, tcpip_input);
+#endif
+
+	netif_set_up(&this_netif);
+
+#if DHCP==1
+	dhcp_start(&this_netif);
+#endif
+
+	debug_msg("init: done");
+
+  	TerminateTask();
+}
+
diff --git a/examples/cortex-a-r/armv8/spider/lwip/lwip.oil b/examples/cortex-a-r/armv8/spider/lwip/lwip.oil
new file mode 100755
index 000000000..fb66d29ab
--- /dev/null
+++ b/examples/cortex-a-r/armv8/spider/lwip/lwip.oil
@@ -0,0 +1,108 @@
+OIL_VERSION = "4.0";
+
+IMPLEMENTATION trampoline {
+
+    /* This fix the default STACKSIZE of tasks */
+    TASK {
+        UINT32 STACKSIZE = 2000 ;
+    } ;
+
+    /* This fix the default STACKSIZE of ISRs */
+    ISR {
+        UINT32 STACKSIZE = 2000 ;
+    } ;
+};
+
+CPU lwip {
+  OS config {
+    STATUS = EXTENDED;
+
+    BUILD = TRUE {
+      TRAMPOLINE_BASE_PATH = "../../../../..";
+      APP_SRC = "lwip.c";
+
+      APP_NAME = "lwip_exe.elf";
+      CFLAGS  = "-O0 -DHSCIF_1843200BPS -ggdb";
+      LDFLAGS = "-Map=lwip.map";
+      COMPILER = "arm-none-eabi-gcc";
+      CPPCOMPILER = "arm-none-eabi-g++";
+      ASSEMBLER = "arm-none-eabi-as";
+      LINKER = "arm-none-eabi-ld";
+      COPIER = "arm-none-eabi-objcopy";
+      SYSTEM = PYTHON;
+
+      LIBRARY = serial;
+      LIBRARY = lwip;
+    };
+    SYSTEM_CALL = TRUE;
+    MEMMAP = TRUE {
+      COMPILER = gcc;
+      LINKER = gnu_ld { SCRIPT = "script.ld"; };
+      ASSEMBLER = gnu_as;
+      MEMORY_PROTECTION = FALSE;
+    };
+  };
+
+  APPMODE std {};
+
+  TASK lwip { 
+    PRIORITY = 1;
+    AUTOSTART = TRUE { APPMODE = std; };
+    ACTIVATION = 1;
+    SCHEDULE = FULL;
+  };
+
+  /* LWIP needs */
+  EVENT lwip_sync {
+    MASK = AUTO;
+  };
+
+  TASK tcpip_task { 
+    PRIORITY = 1;
+    AUTOSTART = FALSE;
+    ACTIVATION = 1;
+    SCHEDULE = FULL;
+    EVENT = lwip_sync;
+  };
+
+  /* eth driver needs */
+  TASK gwca1_rx_tx_task { 
+    PRIORITY = 2;
+    AUTOSTART = FALSE;
+    ACTIVATION = 1;
+    SCHEDULE = FULL;
+    EVENT = lwip_sync;
+  };
+
+  ISR gwca1_rx_tx_int {
+    CATEGORY = 1;
+    PRIORITY = 3;
+    SOURCE = GWCA1_RX_TX_INT;
+  };
+
+  ISR gwca1_rx_ts_int {
+    CATEGORY = 1;
+    PRIORITY = 4;
+    SOURCE = GWCA1_RX_TS_INT;
+  };
+
+  ISR coma_err_int {
+    CATEGORY = 1;
+    PRIORITY = 5;
+    SOURCE = COMA_ERR_INT;
+  };
+
+  ISR gwca1_err_int {
+    CATEGORY = 1;
+    PRIORITY = 6;
+    SOURCE = GWCA1_ERR_INT;
+  };
+
+  ISR etha0_err_int {
+    CATEGORY = 1;
+    PRIORITY = 7;
+    SOURCE = ETHA0_ERR_INT;
+  };
+
+};
+