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145 lines
3.9 KiB
C
145 lines
3.9 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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/**
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* @author Stefan Lankes
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* @file arch/x86/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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#if __SIZEOF_POINTER__ == 4
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#define KERNEL_SPACE (1UL << 30) /* 1 GiB */
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/// This type is used to represent the size of an object.
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typedef unsigned long size_t;
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/// Pointer differences
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typedef long ptrdiff_t;
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/// It is similar to size_t, but must be a signed type.
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typedef long ssize_t;
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/// The type represents an offset and is similar to size_t, but must be a signed type.
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typedef long off_t;
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#elif __SIZEOF_POINTER__ == 8
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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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#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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#else
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#error unsupported architecture
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#endif
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/// Unsigned 64 bit integer
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typedef unsigned long long uint64_t;
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/// Signed 64 bit integer
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typedef long 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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/// This defines what the stack looks like after the task context is saved.
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struct state {
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/// R15 register
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uint64_t r15;
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/// R14 register
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uint64_t r14;
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/// R13 register
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uint64_t r13;
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/// R12 register
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uint64_t r12;
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/// R11 register
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uint64_t r11;
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/// R10 register
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uint64_t r10;
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/// R9 register
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uint64_t r9;
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/// R8 register
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uint64_t r8;
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/// RDI register
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uint64_t rdi;
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/// RSI register
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uint64_t rsi;
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/// RBP register
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uint64_t rbp;
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/// (pseudo) RSP register
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uint64_t rsp;
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/// RBX register
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uint64_t rbx;
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/// RDX register
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uint64_t rdx;
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/// RCX register
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uint64_t rcx;
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/// RAX register
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uint64_t rax;
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/// Interrupt number
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uint64_t int_no;
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// pushed by the processor automatically
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uint64_t error;
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uint64_t rip;
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uint64_t cs;
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uint64_t rflags;
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uint64_t userrsp;
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uint64_t ss;
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};
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uint32_t apic_cpu_id(void);
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#define smp_id apic_cpu_id
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#ifdef __cplusplus
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}
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#endif
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#endif
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