mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-08 00:50:32 +00:00
90ddbca127
Also use a ProcessPagingScope instead of region aliasing to implement create-process ELF loading.
106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
#pragma once
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#include <AK/Types.h>
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#define PACKED __attribute__ ((packed))
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#define NORETURN __attribute__ ((noreturn))
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#define ALWAYS_INLINE __attribute__ ((always_inline))
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#define PURE __attribute__ ((pure))
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#define PUBLIC
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#define PRIVATE static
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typedef unsigned char BYTE;
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typedef unsigned short WORD;
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typedef unsigned int DWORD;
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typedef DWORD __u32;
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typedef WORD __u16;
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typedef BYTE __u8;
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typedef int __s32;
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typedef short __s16;
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typedef DWORD uid_t;
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typedef DWORD gid_t;
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typedef int pid_t;
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typedef DWORD time_t;
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typedef DWORD suseconds_t;
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typedef DWORD size_t;
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struct timeval {
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time_t tv_sec;
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suseconds_t tv_usec;
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};
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#define UTSNAME_ENTRY_LEN 65
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struct utsname {
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char sysname[UTSNAME_ENTRY_LEN];
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char nodename[UTSNAME_ENTRY_LEN];
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char release[UTSNAME_ENTRY_LEN];
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char version[UTSNAME_ENTRY_LEN];
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char machine[UTSNAME_ENTRY_LEN];
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};
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typedef dword ino_t;
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typedef signed_dword off_t;
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typedef dword dev_t;
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typedef dword mode_t;
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typedef dword nlink_t;
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typedef dword blksize_t;
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typedef dword blkcnt_t;
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typedef dword time_t;
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typedef dword suseconds_t;
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struct FarPtr {
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DWORD offset { 0 };
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WORD selector { 0 };
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} PACKED;
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class PhysicalAddress {
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public:
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PhysicalAddress() { }
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explicit PhysicalAddress(dword address) : m_address(address) { }
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dword get() const { return m_address; }
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void set(dword address) { m_address = address; }
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void mask(dword m) { m_address &= m; }
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bool is_null() const { return m_address == 0; }
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byte* asPtr() { return reinterpret_cast<byte*>(m_address); }
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const byte* asPtr() const { return reinterpret_cast<const byte*>(m_address); }
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dword pageBase() const { return m_address & 0xfffff000; }
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private:
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dword m_address { 0 };
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};
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class LinearAddress {
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public:
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LinearAddress() { }
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explicit LinearAddress(dword address) : m_address(address) { }
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bool isNull() const { return m_address == 0; }
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LinearAddress offset(dword o) const { return LinearAddress(m_address + o); }
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dword get() const { return m_address; }
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void set(dword address) { m_address = address; }
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void mask(dword m) { m_address &= m; }
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bool operator<=(const LinearAddress& other) const { return m_address <= other.m_address; }
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bool operator>=(const LinearAddress& other) const { return m_address >= other.m_address; }
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bool operator>(const LinearAddress& other) const { return m_address > other.m_address; }
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bool operator<(const LinearAddress& other) const { return m_address < other.m_address; }
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bool operator==(const LinearAddress& other) const { return m_address == other.m_address; }
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byte* asPtr() { return reinterpret_cast<byte*>(m_address); }
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const byte* asPtr() const { return reinterpret_cast<const byte*>(m_address); }
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dword pageBase() const { return m_address & 0xfffff000; }
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private:
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dword m_address { 0 };
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};
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