a6a9617775
- programs could be load as module by the bootloader Grub git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@95 315a16e6-25f9-4109-90ae-ca3045a26c18
150 lines
3.8 KiB
C
150 lines
3.8 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/time.h>
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#include <metalsvm/mmu.h>
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#include <metalsvm/tasks.h>
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#include <metalsvm/processor.h>
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#include <asm/irq.h>
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#include <asm/irqflags.h>
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#include <asm/kb.h>
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#ifdef CONFIG_PCI
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#include <asm/pci.h>
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#endif
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#ifdef CONFIG_LWIP
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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 <netif/etharp.h>
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#endif
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#ifdef CONFIG_ROCKCREEK
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#include <asm/scc.h>
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#endif
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extern int test_init(void);
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extern const void kernel_start;
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extern const void kernel_end;
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unsigned long user_tasks[MAX_TASKS] = {[0 ... MAX_TASKS-1] = 0};
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#if defined(CONFIG_LWIP) && defined(CONFIG_ROCKCREEK)
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err_t sccpcif_init(struct netif* netif);
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int STDCALL scc_pc_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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sleep(10);
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kputs("LWIP task is started\n");
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/* Set network address variables */
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IP4_ADDR(&gw, 192,168,1,254);
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IP4_ADDR(&ipaddr, 192,168,1,scc_info.pid+1);
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IP4_ADDR(&netmask, 255,255,255,0);
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stats_init(); /* Clears the structure where runtime statistics are gathered */
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sys_init();
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mem_init(); /* Initializes the dynamic memory heap defined by MEM_SIZE. */
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memp_init(); /* Initializes the memory pools defined by MEMP_NUM_x */
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pbuf_init(); /* Initializes the pbuf memory pool defined by PBUF_POOL_SIZE. */
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etharp_init(); /* Initializes the ARP table and queue. */
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ip_init();
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udp_init(); /* Clears the UDP PCB list */
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tcp_init(); /* Clears the TCP PCB list and clears some internal TCP timers. */
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/* Bring up the network interface */
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if (!netif_add(&netif, &ipaddr, &netmask, &gw, NULL, sccpcif_init, ip_input)) {
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kputs("Unable to add network interface\n");
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return -1;
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}
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netif_set_default(&netif);
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if (netif_is_up(&netif)) {
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kputs("Network interface is not up\n");
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return -1;
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}
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while(1) {
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}
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return 0;
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}
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#endif
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int main(void)
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{
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unsigned int i;
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#ifdef CONFIG_LWIP
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tid_t pc_id;
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#endif
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kprintf("Here is MetalSVM %s\n", METALSVM_VERSION);
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system_init();
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irq_init();
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timer_init();
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#ifdef CONFIG_KEYBOARD
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keyboard_init();
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#endif
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mmu_init();
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multitasking_init();
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koutput_init();
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irq_enable();
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kprintf("Kernel starts at %p and ends at %p\n", &kernel_start, &kernel_end);
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detect_cpu_frequency();
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kprintf("Processor frequency: %d MHz\n", get_cpu_frequency()/1000000);
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kprintf("Total memory: %u MBytes\n", atomic_int32_read(&total_pages)/((1024*1024)/PAGE_SIZE));
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kprintf("Current allocated memory: %u KBytes\n", atomic_int32_read(&total_allocated_pages)*(PAGE_SIZE/1024));
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kprintf("Current available memory: %u MBytes\n", atomic_int32_read(&total_available_pages)/((1024*1024)/PAGE_SIZE));
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#ifdef CONFIG_PCI
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print_pci_adapters();
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#endif
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timer_set_frequency(TIMER_FREQ);
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sleep(5);
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test_init();
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for(i=0; (i<MAX_TASKS) && user_tasks[i]; i++)
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create_user_task(NULL, (entry_point_t)user_tasks[i], NULL, 0);
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#ifdef CONFIG_LWIP
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create_kernel_task(&pc_id, scc_pc_task, NULL);
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#endif
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current_task->status = TASK_IDLE;
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reschedule();
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while(1) {
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NOP8;
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}
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return 0;
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}
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