QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap) { char *cmdline; struct QOSState *qs = g_malloc(sizeof(QOSState)); cmdline = g_strdup_vprintf(cmdline_fmt, ap); qs->qts = qtest_start(cmdline); qs->ops = ops; qtest_irq_intercept_in(global_qtest, "ioapic"); if (ops && ops->init_allocator) { qs->alloc = ops->init_allocator(ALLOC_NO_FLAGS); } g_free(cmdline); return qs; }