//usr/include/asm
64 items
NAME ↑ SIZE MODIFIED PERMS ACTIONS
.. / Parent Directory
a.out.h — 756 B
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amd_hsmp.h — 11.28 KB
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auxvec.h — 546 B
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bitsperlong.h — 321 B
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321 B 2026-05-19 19:43 rw-r--r--
boot.h — 323 B
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323 B 2026-05-19 19:43 rw-r--r--
bootparam.h — 8.31 KB
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bpf_perf_event.h — 40 B
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byteorder.h — 200 B
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debugreg.h — 3.25 KB
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e820.h — 2.52 KB
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errno.h — 31 B
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fcntl.h — 31 B
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hw_breakpoint.h — 69 B
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hwcap2.h — 324 B
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324 B 2026-05-19 19:43 rw-r--r--
ioctl.h — 31 B
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31 B 2026-05-19 19:43 rw-r--r--
ioctls.h — 32 B
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32 B 2026-05-19 19:43 rw-r--r--
ipcbuf.h — 32 B
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32 B 2026-05-19 19:43 rw-r--r--
ist.h — 854 B
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854 B 2026-05-19 19:43 rw-r--r--
kvm.h — 22.35 KB
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kvm_para.h — 4.22 KB
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kvm_perf.h — 388 B
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ldt.h — 1.28 KB
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mce.h — 1.74 KB
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mman.h — 413 B
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msgbuf.h — 1.05 KB
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msr.h — 346 B
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mtrr.h — 3.9 KB
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param.h — 31 B
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31 B 2026-05-19 19:43 rw-r--r--
perf_regs.h — 1.37 KB
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poll.h — 30 B
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posix_types.h — 224 B
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posix_types_32.h — 765 B
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posix_types_64.h — 609 B
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posix_types_x32.h — 581 B
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prctl.h — 1.14 KB
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processor-flags.h — 6.97 KB
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ptrace-abi.h — 1.99 KB
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ptrace.h — 1.46 KB
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resource.h — 34 B
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sembuf.h — 1.04 KB
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setup.h — 6 B
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sgx.h — 8.15 KB
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shmbuf.h — 1.29 KB
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sigcontext.h — 9.5 KB
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sigcontext32.h — 271 B
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siginfo.h — 422 B
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signal.h — 2.02 KB
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socket.h — 32 B
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sockios.h — 33 B
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stat.h — 3.06 KB
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statfs.h — 416 B
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svm.h — 9.67 KB
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swab.h — 724 B
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724 B 2026-05-19 19:43 rw-r--r--
termbits.h — 34 B
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34 B 2026-05-19 19:43 rw-r--r--
termios.h — 33 B
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types.h — 31 B
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ucontext.h — 2.07 KB
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unistd.h — 623 B
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unistd_32.h — 11.84 KB
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unistd_64.h — 9.7 KB
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9.7 KB 2026-05-19 19:43 rw-r--r--
unistd_x32.h — 17.07 KB
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17.07 KB 2026-05-19 19:43 rw-r--r--
vm86.h — 3.11 KB
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3.11 KB 2026-05-19 19:43 rw-r--r--
vmx.h — 7.42 KB
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vsyscall.h — 263 B
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263 B 2026-05-19 19:43 rw-r--r--
ONLINE
asm
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_VM86_H #define _ASM_X86_VM86_H /* * I'm guessing at the VIF/VIP flag usage, but hope that this is how * the Pentium uses them. Linux will return from vm86 mode when both * VIF and VIP is set. * * On a Pentium, we could probably optimize the virtual flags directly * in the eflags register instead of doing it "by hand" in vflags... * * Linus */ #include #define BIOSSEG 0x0f000 #define CPU_086 0 #define CPU_186 1 #define CPU_286 2 #define CPU_386 3 #define CPU_486 4 #define CPU_586 5 /* * Return values for the 'vm86()' system call */ #define VM86_TYPE(retval) ((retval) & 0xff) #define VM86_ARG(retval) ((retval) >> 8) #define VM86_SIGNAL 0 /* return due to signal */ #define VM86_UNKNOWN 1 /* unhandled GP fault - IO-instruction or similar */ #define VM86_INTx 2 /* int3/int x instruction (ARG = x) */ #define VM86_STI 3 /* sti/popf/iret instruction enabled virtual interrupts */ /* * Additional return values when invoking new vm86() */ #define VM86_PICRETURN 4 /* return due to pending PIC request */ #define VM86_TRAP 6 /* return due to DOS-debugger request */ /* * function codes when invoking new vm86() */ #define VM86_PLUS_INSTALL_CHECK 0 #define VM86_ENTER 1 #define VM86_ENTER_NO_BYPASS 2 #define VM86_REQUEST_IRQ 3 #define VM86_FREE_IRQ 4 #define VM86_GET_IRQ_BITS 5 #define VM86_GET_AND_RESET_IRQ 6 /* * This is the stack-layout seen by the user space program when we have * done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout * is 'kernel_vm86_regs' (see below). */ struct vm86_regs { /* * normal regs, with special meaning for the segment descriptors.. */ long ebx; long ecx; long edx; long esi; long edi; long ebp; long eax; long __null_ds; long __null_es; long __null_fs; long __null_gs; long orig_eax; long eip; unsigned short cs, __csh; long eflags; long esp; unsigned short ss, __ssh; /* * these are specific to v86 mode: */ unsigned short es, __esh; unsigned short ds, __dsh; unsigned short fs, __fsh; unsigned short gs, __gsh; }; struct revectored_struct { unsigned long __map[8]; /* 256 bits */ }; struct vm86_struct { struct vm86_regs regs; unsigned long flags; unsigned long screen_bitmap; /* unused, preserved by vm86() */ unsigned long cpu_type; struct revectored_struct int_revectored; struct revectored_struct int21_revectored; }; /* * flags masks */ #define VM86_SCREEN_BITMAP 0x0001 /* no longer supported */ struct vm86plus_info_struct { unsigned long force_return_for_pic:1; unsigned long vm86dbg_active:1; /* for debugger */ unsigned long vm86dbg_TFpendig:1; /* for debugger */ unsigned long unused:28; unsigned long is_vm86pus:1; /* for vm86 internal use */ unsigned char vm86dbg_intxxtab[32]; /* for debugger */ }; struct vm86plus_struct { struct vm86_regs regs; unsigned long flags; unsigned long screen_bitmap; unsigned long cpu_type; struct revectored_struct int_revectored; struct revectored_struct int21_revectored; struct vm86plus_info_struct vm86plus; }; #endif /* _ASM_X86_VM86_H */