184 void __lgread(struct lg_cpu *cpu, void *b, unsigned long addr, unsigned bytes)  in __lgread()  argument
186 	if (!lguest_address_ok(cpu->lg, addr, bytes)  in __lgread()
187 	    || copy_from_user(b, cpu->lg->mem_base + addr, bytes) != 0) {  in __lgread()
190 		kill_guest(cpu, "bad read address %#lx len %u", addr, bytes);  in __lgread()
195 void __lgwrite(struct lg_cpu *cpu, unsigned long addr, const void *b,  in __lgwrite()  argument
198 	if (!lguest_address_ok(cpu->lg, addr, bytes)  in __lgwrite()
199 	    || copy_to_user(cpu->lg->mem_base + addr, b, bytes) != 0)  in __lgwrite()
200 		kill_guest(cpu, "bad write address %#lx len %u", addr, bytes);  in __lgwrite()
209 int run_guest(struct lg_cpu *cpu, unsigned long __user *user)  in run_guest()  argument
212 	if (cpu->reg_read) {  in run_guest()
213 		if (put_user(*cpu->reg_read, user))  in run_guest()
215 		cpu->reg_read = NULL;  in run_guest()
216 		return sizeof(*cpu->reg_read);  in run_guest()
220 	while (!cpu->lg->dead) {  in run_guest()
225 		if (cpu->hcall)  in run_guest()
226 			do_hypercalls(cpu);  in run_guest()
229 		if (cpu->pending.trap) {  in run_guest()
230 			if (copy_to_user(user, &cpu->pending,  in run_guest()
231 					 sizeof(cpu->pending)))  in run_guest()
233 			return sizeof(cpu->pending);  in run_guest()
252 		irq = interrupt_pending(cpu, &more);  in run_guest()
254 			try_deliver_interrupt(cpu, irq, more);  in run_guest()
260 		if (cpu->lg->dead)  in run_guest()
267 		if (cpu->halted) {  in run_guest()
273 			if (interrupt_pending(cpu, &more) < LGUEST_IRQS)  in run_guest()
287 		lguest_arch_run_guest(cpu);  in run_guest()
293 		lguest_arch_handle_trap(cpu);  in run_guest()
297 	if (cpu->lg->dead == ERR_PTR(-ERESTART))  in run_guest()