startnext.c

来自「QNX ADS BSP code for i.MX27 chips」· C语言 代码 · 共 39 行

/*
 * $QNXLicenseC: 
 * Copyright 2007, QNX Software Systems.  
 *  
 * Licensed under the Apache License, Version 2.0 (the "License"). You  
 * may not reproduce, modify or distribute this software except in  
 * compliance with the License. You may obtain a copy of the License  
 * at: http://www.apache.org/licenses/LICENSE-2.0  
 *  
 * Unless required by applicable law or agreed to in writing, software  
 * distributed under the License is distributed on an "AS IS" basis,  
 * WITHOUT WARRANTIES OF ANY KIND, either express or implied. 
 * 
 * This file may contain contributions from others, either as  
 * contributors under the License or as licensors under other terms.   
 * Please review this entire file for other proprietary rights or license  
 * notices, as well as the QNX Development Suite License Guide at  
 * http://licensing.qnx.com/license-guide/ for other information. 
 * $
 */
 
 #include "startup.h"

void
startnext() {
	uintptr_t eip = lsp.system_private.p->boot_pgm[0].entry;

	if(debug_flag) {
		kprintf("\nSystem page at phys:%l user:%l kern:%l\n", (paddr32_t)syspage_paddr,
			lsp.system_private.p->user_syspageptr, lsp.system_private.p->kern_syspageptr);
		kprintf("Starting next program at v%l\n", eip);
	}
	if(eip == ~(uintptr_t)0) {
		crash("No next program to start\n");
	}
	cpu_startnext(eip, 0);
}