diff options
Diffstat (limited to 'include/asm-powerpc/vdso_datapage.h')
| -rw-r--r-- | include/asm-powerpc/vdso_datapage.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h deleted file mode 100644 index f01393224b52..000000000000 --- a/include/asm-powerpc/vdso_datapage.h +++ /dev/null @@ -1,121 +0,0 @@ -#ifndef _VDSO_DATAPAGE_H -#define _VDSO_DATAPAGE_H -#ifdef __KERNEL__ - -/* - * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM - * Copyright (C) 2005 Benjamin Herrenschmidy <benh@kernel.crashing.org>, - * IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - -/* - * Note about this structure: - * - * This structure was historically called systemcfg and exposed to - * userland via /proc/ppc64/systemcfg. Unfortunately, this became an - * ABI issue as some proprietary software started relying on being able - * to mmap() it, thus we have to keep the base layout at least for a - * few kernel versions. - * - * However, since ppc32 doesn't suffer from this backward handicap, - * a simpler version of the data structure is used there with only the - * fields actually used by the vDSO. - * - */ - -/* - * If the major version changes we are incompatible. - * Minor version changes are a hint. - */ -#define SYSTEMCFG_MAJOR 1 -#define SYSTEMCFG_MINOR 1 - -#ifndef __ASSEMBLY__ - -#include <linux/unistd.h> - -#define SYSCALL_MAP_SIZE ((__NR_syscalls + 31) / 32) - -/* - * So here is the ppc64 backward compatible version - */ - -#ifdef CONFIG_PPC64 - -struct vdso_data { - __u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */ - struct { /* Systemcfg version numbers */ - __u32 major; /* Major number 0x10 */ - __u32 minor; /* Minor number 0x14 */ - } version; - - /* Note about the platform flags: it now only contains the lpar - * bit. The actual platform number is dead and burried - */ - __u32 platform; /* Platform flags 0x18 */ - __u32 processor; /* Processor type 0x1C */ - __u64 processorCount; /* # of physical processors 0x20 */ - __u64 physicalMemorySize; /* Size of real memory(B) 0x28 */ - __u64 tb_orig_stamp; /* Timebase at boot 0x30 */ - __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */ - __u64 tb_to_xs; /* Inverse of TB to 2^20 0x40 */ - __u64 stamp_xsec; /* 0x48 */ - __u64 tb_update_count; /* Timebase atomicity ctr 0x50 */ - __u32 tz_minuteswest; /* Minutes west of Greenwich 0x58 */ - __u32 tz_dsttime; /* Type of dst correction 0x5C */ - __u32 dcache_size; /* L1 d-cache size 0x60 */ - __u32 dcache_line_size; /* L1 d-cache line size 0x64 */ - __u32 icache_size; /* L1 i-cache size 0x68 */ - __u32 icache_line_size; /* L1 i-cache line size 0x6C */ - - /* those additional ones don't have to be located anywhere - * special as they were not part of the original systemcfg - */ - __u32 dcache_block_size; /* L1 d-cache block size */ - __u32 icache_block_size; /* L1 i-cache block size */ - __u32 dcache_log_block_size; /* L1 d-cache log block size */ - __u32 icache_log_block_size; /* L1 i-cache log block size */ - __s32 wtom_clock_sec; /* Wall to monotonic clock */ - __s32 wtom_clock_nsec; - __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of syscalls */ - __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */ -}; - -#else /* CONFIG_PPC64 */ - -/* - * And here is the simpler 32 bits version - */ -struct vdso_data { - __u64 tb_orig_stamp; /* Timebase at boot 0x30 */ - __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */ - __u64 tb_to_xs; /* Inverse of TB to 2^20 0x40 */ - __u64 stamp_xsec; /* 0x48 */ - __u32 tb_update_count; /* Timebase atomicity ctr 0x50 */ - __u32 tz_minuteswest; /* Minutes west of Greenwich 0x58 */ - __u32 tz_dsttime; /* Type of dst correction 0x5C */ - __s32 wtom_clock_sec; /* Wall to monotonic clock */ - __s32 wtom_clock_nsec; - __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */ - __u32 dcache_block_size; /* L1 d-cache block size */ - __u32 icache_block_size; /* L1 i-cache block size */ - __u32 dcache_log_block_size; /* L1 d-cache log block size */ - __u32 icache_log_block_size; /* L1 i-cache log block size */ -}; - -#endif /* CONFIG_PPC64 */ - -#ifdef __KERNEL__ -extern struct vdso_data *vdso_data; -#endif - -#endif /* __ASSEMBLY__ */ - -#endif /* __KERNEL__ */ -#endif /* _SYSTEMCFG_H */ |