168 lines
3.9 KiB
C
168 lines
3.9 KiB
C
/*
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* Copyright 2010 Stefan Lankes, Chair for Operating Systems,
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* RWTH Aachen University
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of MetalSVM.
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*/
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#include <metalsvm/stddef.h>
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#include <metalsvm/stdio.h>
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#include <metalsvm/string.h>
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#include <metalsvm/processor.h>
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#include <metalsvm/time.h>
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#include <metalsvm/tasks.h>
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#include <metalsvm/errno.h>
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#include <metalsvm/init.h>
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#ifdef CONFIG_LWIP
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#include <lwip/init.h>
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#include <lwip/sys.h>
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#include <lwip/stats.h>
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#include <lwip/udp.h>
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#include <lwip/tcp.h>
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#include <lwip/dhcp.h>
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#include <lwip/netif.h>
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#include <lwip/timers.h>
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#include <netif/etharp.h>
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#endif
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#include <net/rtl8139.h>
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#include <net/rckemac.h>
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#ifdef CONFIG_ROCKCREEK
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#include <asm/RCCE.h>
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#include <asm/RCCE_lib.h>
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#endif
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void echo_init(void);
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void ping_init(void);
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static volatile int done = 0;
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/*
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* Note that linker symbols are not variables, they have no memory allocated for
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* maintaining a value, rather their address is their value.
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*/
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extern const void bss_start;
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extern const void bss_end;
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int lowlevel_init(void)
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{
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// initialize .bss section
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memset((void*)&bss_start, 0x00, ((size_t) &bss_end - (size_t) &bss_start));
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koutput_init();
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//kprintf("Now, the BSS section (0x%x - 0x%x) is initialized.\n", (size_t) &bss_start, (size_t) &bss_end);
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return 0;
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}
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#if defined(CONFIG_LWIP) && (defined(CONFIG_PCI) || defined(CONFIG_ROCKCREEK))
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static tid_t netid;
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int STDCALL network_task(void* arg)
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{
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struct netif netif;
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struct ip_addr ipaddr;
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struct ip_addr netmask;
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struct ip_addr gw;
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kputs("Network task is started\n");
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#ifdef CONFIG_ROCKCREEK
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/* Set network address variables */
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IP4_ADDR(&gw, 192,168,4,254);
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IP4_ADDR(&ipaddr, 192,168,4,RCCE_ue()+1);
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IP4_ADDR(&netmask, 255,255,255,0);
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/* Bring up the network interface */
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if (!netif_add(&netif, &ipaddr, &netmask, &gw, NULL, rckemacif_init, ethernet_input)) {
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#else
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/* Clear network address because we use DHCP to get an ip address */
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IP4_ADDR(&gw, 0,0,0,0);
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IP4_ADDR(&ipaddr, 0,0,0,0);
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IP4_ADDR(&netmask, 0,0,0,0);
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/* Bring up the network interface */
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if (!netif_add(&netif, &ipaddr, &netmask, &gw, NULL, rtl8139if_init, ethernet_input)) {
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#endif
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kputs("Unable to add network interface\n");
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return -ENXIO;
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}
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netif_set_default(&netif);
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netif_set_up(&netif);
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#ifndef CONFIG_ROCKCREEK
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kprintf("Starting DHCPCD...\n");
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dhcp_start(&netif);
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/* wait for ip address */
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while(!netif.ip_addr.addr) {
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rtl8139if_wait(&netif, 1);
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udelay(500000);
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}
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#endif
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// start echo and ping server
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echo_init();
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//ping_init();
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while(!done) {
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#ifdef CONFIG_PCI
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rtl8139if_wait(&netif, 0);
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#elif defined(CONFIG_ROCKCREEK)
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rckemacif_wait(&netif, 0);
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#endif
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}
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#ifndef CONFIG_ROCKCREEK
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dhcp_release(&netif);
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dhcp_stop(&netif);
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#endif
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return 0;
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}
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#endif
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int network_shutdown(void)
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{
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done = 1;
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return 0;
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}
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void tcp_init_ok(void* e)
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{
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kprintf("TCP/IP init COMPLETE!!!!!!");
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}
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int network_init(void)
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{
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tcpip_init(tcp_init_ok,NULL);
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kprintf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA");
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mmnif_open();
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kprintf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA");
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// return 0;
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#if defined(CONFIG_LWIP)
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// Initialize lwIP modules
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// lwip_init();
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#endif
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#if defined(CONFIG_LWIP) && (defined(CONFIG_PCI) || defined(CONFIG_ROCKCREEK))
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return create_kernel_task(&netid, network_task, NULL);
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#else
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return 0;
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#endif
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}
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