ref: 8e50556f14d6fc1271c606dce05f1229bed7ae93
dir: /sys/src/9/xen/xen-public/arch-x86_64.h/
/****************************************************************************** * arch-x86_64.h * * Guest OS interface to x86 64-bit Xen. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Copyright (c) 2004-2006, K A Fraser */ #include "arch-x86/xen.h" /* * ` enum neg_errnoval * ` HYPERVISOR_set_callbacks(unsigned long event_selector, * ` unsigned long event_address, * ` unsigned long failsafe_selector, * ` unsigned long failsafe_address); * ` * Register for callbacks on events. When an event (from an event * channel) occurs, event_address is used as the value of eip. * * A similar callback occurs if the segment selectors are invalid. * failsafe_address is used as the value of eip. * * On x86_64, event_selector and failsafe_selector are ignored (???). */