eduOS/arch/x86/include/asm/stddef.h

180 lines
4.5 KiB
C

/*
* Copyright (c) 2010, 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.
*/
/**
* @author Stefan Lankes
* @file arch/x86/include/asm/stddef.h
* @brief Standard datatypes
*
* This file contains typedefs for standard datatypes for numerical and character values.
*/
#ifndef __ARCH_STDDEF_H__
#define __ARCH_STDDEF_H__
#ifdef __cplusplus
extern "C" {
#endif
#if __SIZEOF_POINTER__ == 4
#define CONFIG_X86_32
/// A popular type for addresses
typedef unsigned long size_t;
/// Pointer differences
typedef long ptrdiff_t;
#ifdef __KERNEL__
typedef long ssize_t;
typedef long off_t;
#endif
#elif __SIZEOF_POINTER__ == 8
#define CONFIG_X86_64
// A popular type for addresses
typedef unsigned long long size_t;
/// Pointer differences
typedef long long ptrdiff_t;
#ifdef __KERNEL__
typedef long long ssize_t;
typedef long long off_t;
#endif
#else
#error unsupported architecture
#endif
/// Unsigned 64 bit integer
typedef unsigned long long uint64_t;
/// Signed 64 bit integer
typedef long long int64_t;
/// Unsigned 32 bit integer
typedef unsigned int uint32_t;
/// Signed 32 bit integer
typedef int int32_t;
/// Unsigned 16 bit integer
typedef unsigned short uint16_t;
/// Signed 16 bit integer
typedef short int16_t;
/// Unsigned 8 bit integer (/char)
typedef unsigned char uint8_t;
/// Signed 8 bit integer (/char)
typedef char int8_t;
/// 16 bit wide char type
typedef unsigned short wchar_t;
#ifndef _WINT_T
#define _WINT_T
typedef unsigned int wint_t;
#endif
/** @brief This defines what the stack looks like after an ISR was called.
*
* All the interrupt handler routines use this type for their only parameter.
* Note: Our kernel doesn't use the GS and FS registers.
*/
struct state {
#ifdef CONFIG_X86_32
// ds register
uint32_t ds;
// es register
uint32_t es;
/// EDI register
uint32_t edi;
/// ESI register
uint32_t esi;
/// EBP register
uint32_t ebp;
/// ESP register
uint32_t esp;
/// EBX register
uint32_t ebx;
/// EDX register
uint32_t edx;
/// ECX register
uint32_t ecx;
/// EAX register
uint32_t eax; /* pushed by 'pusha' */
/// Interrupt number
uint32_t int_no;
// pushed by the processor automatically
uint32_t error;
uint32_t eip;
uint32_t cs;
uint32_t eflags;
uint32_t useresp;
uint32_t ss;
#elif defined(CONFIG_X86_64)
/// R15 register
uint64_t r15;
/// R14 register
uint64_t r14;
/// R13 register
uint64_t r13;
/// R12 register
uint64_t r12;
/// R11 register
uint64_t r11;
/// R10 register
uint64_t r10;
/// R9 register
uint64_t r9;
/// R8 register
uint64_t r8;
/// RDI register
uint64_t rdi;
/// RSI register
uint64_t rsi;
/// RBP register
uint64_t rbp;
/// (pseudo) RSP register
uint64_t rsp;
/// RBX register
uint64_t rbx;
/// RDX register
uint64_t rdx;
/// RCX register
uint64_t rcx;
/// RAX register
uint64_t rax;
/// Interrupt number
uint64_t int_no;
// pushed by the processor automatically
uint64_t error;
uint64_t rip;
uint64_t cs;
uint64_t rflags;
uint64_t userrsp;
uint64_t ss;
#endif
};
#ifdef __cplusplus
}
#endif
#endif