119 lines
3.1 KiB
C
119 lines
3.1 KiB
C
/*
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* Copyright 2010 Stefan Lankes, Chair for Operating Systems,
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* RWTH Aachen University
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of MetalSVM.
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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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/// A popular type for addresses
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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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#ifdef __KERNEL__
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typedef long ssize_t;
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typedef long off_t;
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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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#ifndef _WINT_T
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#define _WINT_T
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typedef unsigned int wint_t;
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#endif
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/** @brief This defines what the stack looks like after an ISR was called.
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*
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* All the interrupt handler routines use this type for their only parameter.
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*/
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struct state {
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/*
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* We switched from software- to hardwaree-based multitasking
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* Therefore, we do not longer save the registers by hand.
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*/
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/*unsigned int gs, fs, es, ds; */ /* pushed the segs last */
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/*
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* Commented this out to write it out in a longer form for HTML-documentation
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*/
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//unsigned int edi, esi, ebp, esp, ebx, edx, ecx, eax; /* pushed by 'pusha' */
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//unsigned int int_no, err_code; /* our 'push byte #' and ecodes do this */
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/// EDI register
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unsigned int edi;
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/// ESI register
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unsigned int esi;
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/// EBP register
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unsigned int ebp;
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/// ESP register
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unsigned int esp;
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/// EBX register
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unsigned int ebx;
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/// EDX register
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unsigned int edx;
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/// ECX register
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unsigned int ecx;
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/// EAX register
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unsigned int eax; /* pushed by 'pusha' */
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/// Interrupt number
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unsigned int int_no;
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/// Error code
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unsigned int err_code; /* our 'push byte #' and ecodes do this */
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/*unsigned int eip, cs, eflags, useresp, ss;*/ /* pushed by the processor automatically */
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};
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/** @brief Read out APIC CPU ID
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* @return The APIC CPU ID
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*/
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uint32_t apic_cpu_id(void);
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/// Convenience-define constant
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#define LOGICAL_CPUID 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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