metalsvm/kernel/main.c
2011-06-09 04:23:17 -07:00

129 lines
3.2 KiB
C

/*
* Copyright 2010 Stefan Lankes, Chair for Operating Systems,
* RWTH Aachen University
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of MetalSVM.
*/
#include <metalsvm/stddef.h>
#include <metalsvm/stdio.h>
#include <metalsvm/string.h>
#include <metalsvm/time.h>
#include <metalsvm/mmu.h>
#include <metalsvm/tasks.h>
#include <metalsvm/processor.h>
#include <metalsvm/fs.h>
#include <metalsvm/errno.h>
#include <metalsvm/init.h>
#include <asm/irq.h>
#include <asm/irqflags.h>
#include <asm/kb.h>
#ifdef CONFIG_ROCKCREEK
#include <asm/icc.h>
#endif
extern int test_init(void);
extern int mailbox_test_init(void);
/*
* Note that linker symbols are not variables, they have no memory allocated for
* maintaining a value, rather their address is their value.
*/
extern const void kernel_start;
extern const void kernel_end;
extern char __BUILD_DATE;
extern char __BUILD_TIME;
static void list_fs(vfs_node_t* node, uint32_t depth)
{
int j, i = 0;
dirent_t* dirent = NULL;
while ((dirent = readdir_fs(node, i)) != 0) {
for(j=0; j<depth; j++)
kputs(" ");
kprintf("%s\n", dirent->name);
if (strcmp(dirent->name, ".") && strcmp(dirent->name, "..")) {
vfs_node_t *new_node = finddir_fs(node, dirent->name);
if (new_node) {
if (new_node->type == FS_FILE) {
char buff[16] = {[0 ... 15] = 0x00};
read_fs(new_node, (uint8_t*)buff, 8, 0);
for(j=0; j<depth+1; j++)
kputs(" ");
kprintf("content: %s\n", buff);
} else list_fs(new_node, depth+1);
}
}
i++;
}
}
static void list_root(void) {
kprintf("List of the file system:\n/\n");
list_fs(fs_root, 1);
}
int main(void)
{
lowlevel_init();
pushbg(COL_BLUE);
kprintf("This is MetalSVM %s Build %u, %u\n",
METALSVM_VERSION, &__BUILD_DATE, &__BUILD_TIME);
popbg();
system_init();
irq_init();
timer_init();
#ifdef CONFIG_KEYBOARD
keyboard_init();
#endif
multitasking_init();
mmu_init();
#ifdef CONFIG_ROCKCREEK
icc_init();
#endif
initrd_init();
irq_enable();
kprintf("Kernel starts at %p and ends at %p\n", &kernel_start, &kernel_end);
system_calibration();
network_init();
kprintf("Processor frequency: %u MHz\n", get_cpu_frequency());
kprintf("Total memory: %u MBytes\n", atomic_int32_read(&total_pages)/((1024*1024)/PAGE_SIZE));
kprintf("Current allocated memory: %u KBytes\n", atomic_int32_read(&total_allocated_pages)*(PAGE_SIZE/1024));
kprintf("Current available memory: %u MBytes\n", atomic_int32_read(&total_available_pages)/((1024*1024)/PAGE_SIZE));
sleep(5);
list_root();
// test_init();
mailbox_test_init();
per_core(current_task)->status = TASK_IDLE;
reschedule();
while(1);
while(1) {
#ifdef CONFIG_ROCKCREEK
icc_halt();
#else
HALT;
#endif
}
return 0;
}