mirror of
https://github.com/hermitcore/libhermit.git
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1a8e06a365
Add an interface for sharing the free list with the hypervisor. This can be used to accelerate the cold migration of guests.
114 lines
3.7 KiB
C
114 lines
3.7 KiB
C
/*
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* Copyright (c) 2010, Stefan Lankes, RWTH Aachen University
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __STDDEF_H__
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#define __STDDEF_H__
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/**
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* @author Stefan Lankes
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* @file include/hermit/stddef.h
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* @brief Definition of basic data types
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*/
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#include <hermit/config.h>
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#include <asm/stddef.h>
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#include <asm/irqflags.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// size of the whole application
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extern size_t image_size;
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#define TIMER_FREQ 100 /* in HZ */
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#define CLOCK_TICK_RATE 1193182 /* 8254 chip's internal oscillator frequency */
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#define CACHE_LINE 64
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#define HEAP_START (PAGE_2M_CEIL(((size_t)&kernel_start + image_size + (16ULL << 10))))
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#define HEAP_SIZE (1ULL << 37)
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#define KMSG_SIZE 0x1000
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#define INT_SYSCALL 0x80
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#define MAILBOX_SIZE 128
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//#define WITH_PCI_IDS
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#define BYTE_ORDER LITTLE_ENDIAN
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#define DYNAMIC_TICKS
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#define UHYVE_PORT_WRITE 0x400
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#define UHYVE_PORT_OPEN 0x440
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#define UHYVE_PORT_CLOSE 0x480
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#define UHYVE_PORT_READ 0x500
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#define UHYVE_PORT_EXIT 0x540
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#define UHYVE_PORT_LSEEK 0x580
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#define UHYVE_PORT_PFAULT 0x511
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// Networkports
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#define UHYVE_PORT_NETINFO 0x600
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#define UHYVE_PORT_NETWRITE 0x640
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#define UHYVE_PORT_NETREAD 0x680
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#define UHYVE_PORT_NETSTAT 0x700
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#define UHYVE_PORT_FREELIST 0x720
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/* Ports and data structures for uhyve command line arguments and envp
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* forwarding */
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#define UHYVE_PORT_CMDSIZE 0x740
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#define UHYVE_PORT_CMDVAL 0x780
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#define BUILTIN_EXPECT(exp, b) __builtin_expect((exp), (b))
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//#define BUILTIN_EXPECT(exp, b) (exp)
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#define NORETURN __attribute__((noreturn))
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#define NULL ((void*) 0)
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/// represents a task identifier
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typedef unsigned int tid_t;
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#define DECLARE_PER_CORE(type, name) extern type name __attribute__ ((section (".percore")))
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#define DEFINE_PER_CORE(type, name, def_value) type name __attribute__ ((section (".percore"))) = def_value
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#define DEFINE_PER_CORE_STATIC(type, name, def_value) static type name __attribute__ ((section (".percore"))) = def_value
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/* needed to find the task, which is currently running on this core */
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struct task;
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DECLARE_PER_CORE(struct task*, current_task);
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#if MAX_CORES > 1
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/* allows fast access to the core id */
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DECLARE_PER_CORE(uint32_t, __core_id);
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#define CORE_ID per_core(__core_id)
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#else
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#define CORE_ID 0
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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