/* Load a binary file into memory via the UART
If its an elf file, copy it into the correct memory areas
and execute it.
*/
void load_run( int type, unsigned int address )
{
int file_size;
/* testing tyhe boot loader itself in simulation */
if ( type == 2 ) {
print_help();
_core_status();
print_spaces(16);
_testpass();
}
/* Load a file but don't run it */
else if ( type == 1 ) {
/* Load a file using the xmodem protocol */
printf ("Send file w/ 1K Xmodem protocol from terminal emulator now...\n");
/* Destination, Destination Size */
file_size = xmodemReceive((char *) FILE_LOAD_BASE, FILE_MAX_SIZE);
if (file_size < 0 || file_size > FILE_MAX_SIZE) {
printf ("Xmodem error file size 0x%x \n", file_size);
return;
}
printf("\nelf split\n");
elfsplitter(FILE_LOAD_BASE, file_size);
}
/* Hello world special start address - simulations only */
else if ( type == 4 ) {
_jump_to_program(0x0080e400);
}
/* Load a binary file into memory */
else if ( type == 5 ) {
/* Destination, Destination Size */
file_size = xmodemReceive((char *) address, FILE_MAX_SIZE);
if (file_size < 0 || file_size > FILE_MAX_SIZE) {
printf ("Xmodem error file size 0x%x \n", file_size);
return;
}
}
/* Run the program */
else {
printf("j 0x%08x\n", JUMP_ADR);
/* Flush the uart tx buffer with spaces */
print_spaces(16);
printf("\n");
/* pc jump */
_jump_to_program(JUMP_ADR);
_testpass();
}
}
/* Disable interrupts
Load new values into the interrupt vector memory space
Jump to address 0
*/
void reboot()
{
int i;
/* Disable all interrupts */
/* Disable ethmac_int interrupt */
/* Disable timer 0 interrupt in interrupt controller */
*(unsigned int *) ( ADR_AMBER_IC_IRQ0_ENABLECLR ) = 0x120;
for(i=0;i<MEM_BUF_ENTRIES;i++)
if (elf_mem0_g->entry[i].valid)
*(char *)(i) = elf_mem0_g->entry[i].data;
if (udp_file_g->linux_boot)
_jump_to_program(LINUX_JUMP_ADR);
else
_restart();
}
