void dumpit(unsigned long l1, unsigned long l2)
{
outhex32(l1);
puts("l1");
outhex32(l2);
puts("l2");
while(1);
}
int main()
{
extern unsigned long __data_rom_start;
extern unsigned long __data_start;
extern unsigned long __data_end;
extern unsigned long __bss_start;
extern unsigned long __bss_end;
unsigned long *src;
unsigned long *dest;
unsigned long tmp;
struct lregs *regs = (struct lregs *) 0x80000000;
#if 0
puts("Testing RAM\n");
puts("Write...\n");
for (dest = (unsigned long *)0x40000000; dest < (unsigned long *)0x40080000; dest++) {
*dest = (unsigned long)0x5a5a5a5a ^ (unsigned long)dest;
}
puts("Read...\n");
for (dest = (unsigned long *)0x40000000; dest < (unsigned long *)0x40080000; dest++) {
tmp = (unsigned long)0x5a5a5a5a ^ (unsigned long)dest;
if (*dest != tmp) {
puts("Failed.");
outhex32((unsigned long)dest);
puts("is");
outhex32(*dest);
puts("wrote");
outhex32(tmp);
while(1);
}
}
#endif
puts("512k RAM\n");
if (testvar == 0xdeadbeef) puts("Found my key\n");
else puts("My keys are missing!\n");
#if 0
src = &__data_rom_start;
dest = &__data_start;
while (dest < &__data_end) *(dest++) = *(src++);
#endif
dest = &__bss_start;
while (dest < &__bss_end) *(dest++) = 0;
puts("Moved .data\n");
if (testvar == 0xdeadbeef) puts("Found my key\n");
else puts("My keys are missing!\n");
testvar = 0;
start_kernel();
}
static void
run_hooks_backward(crt0_hook *list, const char *name)
{
(void)name;
#ifdef DEBUG
outstring("list (backward) ");
outstring(name);
outstring(" @ ");
outhex32((unsigned)list);
outchar('\n');
#endif
list--;
while (*list != (crt0_hook)~1UL)
{
#ifdef DEBUG
outstring(" calling ");
outhex32((unsigned)*list);
outchar('\n');
#endif
(**list)();
list--;
}
}
void die_if_kernel(char *str, struct pt_regs *pregs)
{
unsigned long pc;
pc = pregs->pc;
puts("");
outhex32(pc);
puts(" trapped to die_if_kernel");
show_regs(pregs);
#if 0
if(pregs->psr & PSR_SUPERVISOR)
do_exit(SIGKILL);
do_exit(SIGSEGV);
#endif
}
