//usr/include/asm
64 items
NAME ↑ SIZE MODIFIED PERMS ACTIONS
.. / Parent Directory
a.out.h — 756 B
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amd_hsmp.h — 12.99 KB
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auxvec.h — 546 B
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bitsperlong.h — 321 B
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boot.h — 323 B
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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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ioctl.h — 31 B
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ioctls.h — 32 B
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ipcbuf.h — 32 B
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ist.h — 854 B
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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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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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termbits.h — 34 B
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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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unistd_x32.h — 17.07 KB
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vm86.h — 3.11 KB
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vmx.h — 7.42 KB
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vsyscall.h — 263 B
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asm
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_E820_H #define _ASM_X86_E820_H #define E820MAP 0x2d0 /* our map */ #define E820MAX 128 /* number of entries in E820MAP */ /* * Legacy E820 BIOS limits us to 128 (E820MAX) nodes due to the * constrained space in the zeropage. If we have more nodes than * that, and if we've booted off EFI firmware, then the EFI tables * passed us from the EFI firmware can list more nodes. Size our * internal memory map tables to have room for these additional * nodes, based on up to three entries per node for which the * kernel was built: MAX_NUMNODES == (1 << CONFIG_NODES_SHIFT), * plus E820MAX, allowing space for the possible duplicate E820 * entries that might need room in the same arrays, prior to the * call to sanitize_e820_map() to remove duplicates. The allowance * of three memory map entries per node is "enough" entries for * the initial hardware platform motivating this mechanism to make * use of additional EFI map entries. Future platforms may want * to allow more than three entries per node or otherwise refine * this size. */ #define E820_X_MAX E820MAX #define E820NR 0x1e8 /* # entries in E820MAP */ #define E820_RAM 1 #define E820_RESERVED 2 #define E820_ACPI 3 #define E820_NVS 4 #define E820_UNUSABLE 5 #define E820_PMEM 7 /* * This is a non-standardized way to represent ADR or NVDIMM regions that * persist over a reboot. The kernel will ignore their special capabilities * unless the CONFIG_X86_PMEM_LEGACY option is set. * * ( Note that older platforms also used 6 for the same type of memory, * but newer versions switched to 12 as 6 was assigned differently. Some * time they will learn... ) */ #define E820_PRAM 12 /* * reserved RAM used by kernel itself * if CONFIG_INTEL_TXT is enabled, memory of this type will be * included in the S3 integrity calculation and so should not include * any memory that BIOS might alter over the S3 transition */ #define E820_RESERVED_KERN 128 #ifndef __ASSEMBLY__ #include struct e820entry { __u64 addr; /* start of memory segment */ __u64 size; /* size of memory segment */ __u32 type; /* type of memory segment */ } __attribute__((packed)); struct e820map { __u32 nr_map; struct e820entry map[E820_X_MAX]; }; #define ISA_START_ADDRESS 0xa0000 #define ISA_END_ADDRESS 0x100000 #define BIOS_BEGIN 0x000a0000 #define BIOS_END 0x00100000 #define BIOS_ROM_BASE 0xffe00000 #define BIOS_ROM_END 0xffffffff #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_E820_H */