Ejemplo n.º 1
0
int arch_bootm(BT_u32 coreID, void *start_addr, void *fdt_addr) {

    BT_u32 machine_id = 0;
    BT_ENV_VARIABLE *machid = BT_ShellGetEnv("machid");
    if(!machid) {
        printf("Warning : machine_id was not defined, set ${machid}:\n"
               "e.g     : setenv machid 0xabad1dea\n");
    } else {
        machine_id = strtoul(machid->o.string->s, NULL, 16);
    }

    BT_DCacheFlush();
    BT_ICacheInvalidate();

    BT_DCacheDisable();

    if(coreID == BT_GetCoreID()) {
        BT_StopSystemTimer();
        BT_DisableInterrupts();

        jump_regs jumpr = (jump_regs) start_addr;
        jumpr(0, machine_id, (BT_u32) fdt_addr, 0);

        return -1;	// Is this such a good idea? Could be in an indefined state.

    } else {
        BT_BootCore(coreID, start_addr, 0, machine_id, (bt_register_t) fdt_addr, 0);		// Use the platform BootCore to run the boot_core function.
    }

    return 0;
}
Ejemplo n.º 2
0
static int bt_boot(int argc, char **argv) {

	if(argc != 2 && argc != 4) {
		bt_printf("Usage: %s {--core [coreID]} [start-address]\n", argv[0]);
		return -1;
	}

	BT_u32 coreID = 0;
	BT_u32 addr;

	if(argc == 4) {
		if(strcmp(argv[1], "--core")) {
			bt_printf("Invalid argument %s\n", argv[1]);
			return -1;
		}
		coreID = strtol(argv[2], NULL, 10);
		addr = strtol(argv[3], NULL, 16);
	} else {
		addr = strtol(argv[1], NULL, 16);
	}
	void *p = (void *) addr;

	BT_DCacheFlush();
	BT_ICacheInvalidate();

	BT_DCacheDisable();

	if(!coreID) {
		BT_StopSystemTimer();
		BT_DisableInterrupts();

		jump jmp = p;
		jmp();

		while(1) {
			__asm__ ("");
		}

	} else {
		// Must use MACH core boot interface.
		BT_BootCore(coreID, p);
	}

	return 0;
}