void kmain(unsigned long magic, multiboot_info_t * mbi)
{
if (magic != MULTIBOOT_BOOTLOADER_MAGIC)
{
printk ("Invalid magic number: 0x%x\n", (unsigned) magic);
return;
}
gdt_install();
idt_install();
init_video();
isrs_install();
irq_install();
timer_install();
sys_setup(mbi);
test_inode();
__asm__ __volatile__ ("sti");
printk("EgGS:hello there!\n");
// int i = 10 / 0;
for (;;);
}
int test_binop(Shell_t *shp,register int op,const char *left,const char *right)
{
register double lnum,rnum;
if(op&TEST_ARITH)
{
while(*left=='0')
left++;
while(*right=='0')
right++;
lnum = sh_arith(shp,left);
rnum = sh_arith(shp,right);
}
switch(op)
{
/* op must be one of the following values */
case TEST_AND:
case TEST_OR:
return(*left!=0);
case TEST_PEQ:
return(test_strmatch(shp, left, right));
case TEST_PNE:
return(!test_strmatch(shp, left, right));
case TEST_SGT:
return(strcoll(left, right)>0);
case TEST_SLT:
return(strcoll(left, right)<0);
case TEST_SEQ:
return(strcmp(left, right)==0);
case TEST_SNE:
return(strcmp(left, right)!=0);
case TEST_EF:
return(test_inode(left,right));
case TEST_NT:
return(test_time(left,right)>0);
case TEST_OT:
return(test_time(left,right)<0);
case TEST_EQ:
return(lnum==rnum);
case TEST_NE:
return(lnum!=rnum);
case TEST_GT:
return(lnum>rnum);
case TEST_LT:
return(lnum<rnum);
case TEST_GE:
return(lnum>=rnum);
case TEST_LE:
return(lnum<=rnum);
}
/* NOTREACHED */
return(0);
}
