void plat_boot(void){
int i;
for(i=0;init[i];i++){
init[i]();
}
init_sys_mmu();
start_mmu();
test_mmu();
test_printk();
// timer_init();
init_page_map();
kmalloc_init();
char *p1,*p2,*p3,*p4;
p1=kmalloc(127);
printk("the first alloced address is %x\n",p1);
p2=kmalloc(124);
printk("the second alloced address is %x\n",p2);
kfree(p1);
kfree(p2);
p3=kmalloc(119);
printk("the third alloced address is %x\n",p3);
p4=kmalloc(512);
printk("the forth alloced address is %x\n",p4);
while(1);
}
int init_module(void)
{
int i, ret;
// unsigned long vaddr = 0x080484a8U;
printk(KERN_INFO "In probe5ag init_module \n");
if (u_dbfs_init("probe5ag")) {
printk(KERN_INFO "In probe5ag u_dbfs_init failed\n");
return -1;
}
test_printk("Registering %d uprobes on pid %d, vaddr %#lx\n",
nprobes, pid, vaddr);
probes = (struct uprobe*) kzalloc(nprobes*sizeof(struct uprobe),
GFP_KERNEL);
if (!probes) {
printk(KERN_INFO "No memory for probe array.\n");
u_dbfs_cleanup();
return -1;
}
for (i = 0; i < nprobes; i++) {
probes[i].vaddr = vaddr;
probes[i].pid = pid;
probes[i].handler = add_inst;
ret = register_uprobe(&probes[i]);
if (ret != 0) {
printk(KERN_INFO
"register_uprobe() #%d failed, returned %d\n",
i, ret);
shut_down();
u_dbfs_cleanup();
return ret;
}
}
return 0;
}
void plat_boot(void) {
int i;
for (i=0; init[i]; i++) {
init[i]();
}
init_sys_mmu();
start_mmu();
test_mmu();
test_printk();
// timer_init();
init_page_map();
kmalloc_init();
ramdisk_driver_init();
romfs_init();
struct inode *node;
char *buf = (char *)0x30100000;
if ((node = fs_type[ROMFS]->namei(fs_type[ROMFS], "main.bin")) == (void *)0) {
printk("inode read error\n");
goto HALT;
}
if (fs_type[ROMFS]->device->dout(fs_type[ROMFS]->device,\
buf, fs_type[ROMFS]->get_daddr(node), \
node->dsize)) {
printk("dout error\n");
goto HALT;
}
exec(buf);
HALT:
while (1);
}
void plat_boot(void){
int i;
for(i=0;init[i];i++){
init[i]();
}
init_sys_mmu();
start_mmu();
test_mmu();
test_printk();
// timer_init();
init_page_map();
char *p1,*p2,*p3,*p4;
p1=(char *)get_free_pages(0,6);
printk("the return address of get_free_pages %x\n",p1);
p2=(char *)get_free_pages(0,6);
printk("the return address of get_free_pages %x\n",p2);
put_free_pages(p2,6);
put_free_pages(p1,6);
p3=(char *)get_free_pages(0,7);
printk("the return address of get_free_pages %x\n",p3);
p4=(char *)get_free_pages(0,7);
printk("the return address of get_free_pages %x\n",p4);
while(1);
}
static void child_exit(void)
{
test_printk("nhits=%d\n", nhits);
}
static void add_inst(struct uprobe *u, struct pt_regs *regs)
{
if (verbose)
test_printk("add() called\n");
nhits++;
}