mirror of
https://github.com/hermitcore/libhermit.git
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146 lines
4 KiB
C
146 lines
4 KiB
C
/*
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* Copyright (c) 2017, 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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/**
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* @author Stefan Lankes
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* @file arch/arm64/include/asm/stddef.h
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* @brief Standard datatypes
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*
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* This file contains typedefs for standard datatypes for numerical and character values.
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*/
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#ifndef __ARCH_STDDEF_H__
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#define __ARCH_STDDEF_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define per_core(var) ({ \
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typeof(var)* ptr = 0; \
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asm volatile("mrs %0, tpidr_el1\n\t" \
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"add %0, %0, %1" : "+r"(ptr) \
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: "r"(&var) : "memory"); \
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*ptr; })
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#define set_per_core(var, value) ({ \
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typeof(var)* ptr = 0; \
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asm volatile("mrs %0, tpidr_el1\n\t" \
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"add %0, %0, %1" : "+r"(ptr) \
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: "r"(&var) : "memory"); \
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*ptr = value; })
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#define KERNEL_SPACE (1ULL << 30)
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// A popular type for addresses
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typedef unsigned long long size_t;
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/// Pointer differences
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typedef long long ptrdiff_t;
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typedef unsigned long long uintptr_t;
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#ifdef __KERNEL__
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typedef long long ssize_t;
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typedef long long off_t;
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#endif
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/// Unsigned 64 bit integer
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typedef unsigned long uint64_t;
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/// Signed 64 bit integer
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typedef long int64_t;
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/// Unsigned 32 bit integer
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typedef unsigned int uint32_t;
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/// Signed 32 bit integer
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typedef int int32_t;
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/// Unsigned 16 bit integer
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typedef unsigned short uint16_t;
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/// Signed 16 bit integer
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typedef short int16_t;
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/// Unsigned 8 bit integer (/char)
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typedef unsigned char uint8_t;
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/// Signed 8 bit integer (/char)
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typedef char int8_t;
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/// 16 bit wide char type
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typedef unsigned short wchar_t;
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#ifndef _WINT_T
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#define _WINT_T
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typedef wchar_t wint_t;
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#endif
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/// This defines what the stack looks like after the task context is saved
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struct state {
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uint64_t elr_el1;
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uint64_t spsr_el1;
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uint64_t tpidr_el0;
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uint64_t x0;
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uint64_t x1;
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uint64_t x2;
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uint64_t x3;
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uint64_t x4;
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uint64_t x5;
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uint64_t x6;
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uint64_t x7;
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uint64_t x8;
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uint64_t x9;
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uint64_t x10;
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uint64_t x11;
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uint64_t x12;
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uint64_t x13;
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uint64_t x14;
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uint64_t x15;
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uint64_t x16;
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uint64_t x17;
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uint64_t x18;
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uint64_t x19;
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uint64_t x20;
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uint64_t x21;
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uint64_t x22;
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uint64_t x23;
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uint64_t x24;
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uint64_t x25;
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uint64_t x26;
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uint64_t x27;
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uint64_t x28;
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uint64_t x29;
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uint64_t x30;
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} __attribute__((aligned(16)));
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typedef struct {
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void *ss_sp; /* Stack base or pointer. */
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} stack_t;
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const int32_t is_uhyve(void);
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static inline const int32_t is_single_kernel(void) { return 1; }
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static inline const char* get_cmdline(void) { return 0; }
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static inline int init_rcce(void) { return 0; }
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void print_cpu_status(int isle);
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#ifdef __cplusplus
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}
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#endif
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#endif
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