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libhermit/tools/uhyve.h
Stefan Lankes f11c948347 use UART device to print kernel messages
- HermitCore's message buffer isn't longer supported by uhyve
2018-04-28 10:13:06 +02:00

72 lines
2.7 KiB
C

/*
* Copyright (c) 2018, Stefan Lankes, RWTH Aachen University
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __UHYVE_H__
#define __UHYVE_H__
#include <err.h>
#define UHYVE_PORT_WRITE 0x400
#define UHYVE_PORT_OPEN 0x440
#define UHYVE_PORT_CLOSE 0x480
#define UHYVE_PORT_READ 0x500
#define UHYVE_PORT_EXIT 0x540
#define UHYVE_PORT_LSEEK 0x580
// Networkports
#define UHYVE_PORT_NETINFO 0x600
#define UHYVE_PORT_NETWRITE 0x640
#define UHYVE_PORT_NETREAD 0x680
#define UHYVE_PORT_NETSTAT 0x700
/* Ports and data structures for uhyve command line arguments and envp
* forwarding */
#define UHYVE_PORT_CMDSIZE 0x740
#define UHYVE_PORT_CMDVAL 0x780
#define UHYVE_UART_PORT 0x800
#define UHYVE_IRQ 11
#define kvm_ioctl(fd, cmd, arg) ({ \
const int ret = ioctl(fd, cmd, arg); \
if(ret == -1) \
err(1, "KVM: ioctl " #cmd " failed"); \
ret; \
})
void print_registers(void);
void timer_handler(int signum);
void restore_cpu_state(void);
void save_cpu_state(void);
void init_cpu_state(uint64_t elf_entry);
int load_kernel(uint8_t* mem, char* path);
int load_checkpoint(uint8_t* mem, char* path);
void init_kvm_arch(void);
int load_kernel(uint8_t* mem, char* path);
#endif