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-rw-r--r--include/asm-powerpc/auxvec.h2
-rw-r--r--include/asm-powerpc/elf.h10
-rw-r--r--include/asm-powerpc/processor.h2
-rw-r--r--include/asm-powerpc/systemcfg.h64
-rw-r--r--include/asm-powerpc/vdso.h (renamed from include/asm-ppc64/vdso.h)0
-rw-r--r--include/asm-powerpc/vdso_datapage.h108
-rw-r--r--include/asm-ppc/page.h8
7 files changed, 120 insertions, 74 deletions
diff --git a/include/asm-powerpc/auxvec.h b/include/asm-powerpc/auxvec.h
index 79d8c4732309..19a099b62cd6 100644
--- a/include/asm-powerpc/auxvec.h
+++ b/include/asm-powerpc/auxvec.h
@@ -14,8 +14,6 @@
14/* The vDSO location. We have to use the same value as x86 for glibc's 14/* The vDSO location. We have to use the same value as x86 for glibc's
15 * sake :-) 15 * sake :-)
16 */ 16 */
17#ifdef __powerpc64__
18#define AT_SYSINFO_EHDR 33 17#define AT_SYSINFO_EHDR 33
19#endif
20 18
21#endif 19#endif
diff --git a/include/asm-powerpc/elf.h b/include/asm-powerpc/elf.h
index feac3458d71f..3dcd65edf978 100644
--- a/include/asm-powerpc/elf.h
+++ b/include/asm-powerpc/elf.h
@@ -269,14 +269,12 @@ extern int dcache_bsize;
269extern int icache_bsize; 269extern int icache_bsize;
270extern int ucache_bsize; 270extern int ucache_bsize;
271 271
272#ifdef __powerpc64__ 272/* vDSO has arch_setup_additional_pages */
273#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
273struct linux_binprm; 274struct linux_binprm;
274#define ARCH_HAS_SETUP_ADDITIONAL_PAGES /* vDSO has arch_setup_additional_pages */ 275extern int arch_setup_additional_pages(struct linux_binprm *bprm,
275extern int arch_setup_additional_pages(struct linux_binprm *bprm, int executable_stack); 276 int executable_stack);
276#define VDSO_AUX_ENT(a,b) NEW_AUX_ENT(a,b); 277#define VDSO_AUX_ENT(a,b) NEW_AUX_ENT(a,b);
277#else
278#define VDSO_AUX_ENT(a,b)
279#endif /* __powerpc64__ */
280 278
281/* 279/*
282 * The requirements here are: 280 * The requirements here are:
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index f6f186b56b0f..d12382d292d4 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -177,8 +177,8 @@ struct thread_struct {
177#ifdef CONFIG_PPC64 177#ifdef CONFIG_PPC64
178 unsigned long start_tb; /* Start purr when proc switched in */ 178 unsigned long start_tb; /* Start purr when proc switched in */
179 unsigned long accum_tb; /* Total accumilated purr for process */ 179 unsigned long accum_tb; /* Total accumilated purr for process */
180 unsigned long vdso_base; /* base of the vDSO library */
181#endif 180#endif
181 unsigned long vdso_base; /* base of the vDSO library */
182 unsigned long dabr; /* Data address breakpoint register */ 182 unsigned long dabr; /* Data address breakpoint register */
183#ifdef CONFIG_ALTIVEC 183#ifdef CONFIG_ALTIVEC
184 /* Complete AltiVec register set */ 184 /* Complete AltiVec register set */
diff --git a/include/asm-powerpc/systemcfg.h b/include/asm-powerpc/systemcfg.h
deleted file mode 100644
index 36b5cbe466f1..000000000000
--- a/include/asm-powerpc/systemcfg.h
+++ /dev/null
@@ -1,64 +0,0 @@
1#ifndef _SYSTEMCFG_H
2#define _SYSTEMCFG_H
3
4/*
5 * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13/* Change Activity:
14 * 2002/09/30 : bergner : Created
15 * End Change Activity
16 */
17
18/*
19 * If the major version changes we are incompatible.
20 * Minor version changes are a hint.
21 */
22#define SYSTEMCFG_MAJOR 1
23#define SYSTEMCFG_MINOR 1
24
25#ifndef __ASSEMBLY__
26
27#include <linux/unistd.h>
28
29#define SYSCALL_MAP_SIZE ((__NR_syscalls + 31) / 32)
30
31struct systemcfg {
32 __u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */
33 struct { /* Systemcfg version numbers */
34 __u32 major; /* Major number 0x10 */
35 __u32 minor; /* Minor number 0x14 */
36 } version;
37
38 __u32 platform; /* Platform flags 0x18 */
39 __u32 processor; /* Processor type 0x1C */
40 __u64 processorCount; /* # of physical processors 0x20 */
41 __u64 physicalMemorySize; /* Size of real memory(B) 0x28 */
42 __u64 tb_orig_stamp; /* Timebase at boot 0x30 */
43 __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */
44 __u64 tb_to_xs; /* Inverse of TB to 2^20 0x40 */
45 __u64 stamp_xsec; /* 0x48 */
46 __u64 tb_update_count; /* Timebase atomicity ctr 0x50 */
47 __u32 tz_minuteswest; /* Minutes west of Greenwich 0x58 */
48 __u32 tz_dsttime; /* Type of dst correction 0x5C */
49 /* next four are no longer used except to be exported to /proc */
50 __u32 dcache_size; /* L1 d-cache size 0x60 */
51 __u32 dcache_line_size; /* L1 d-cache line size 0x64 */
52 __u32 icache_size; /* L1 i-cache size 0x68 */
53 __u32 icache_line_size; /* L1 i-cache line size 0x6C */
54 __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of available syscalls 0x70 */
55 __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of available syscalls */
56};
57
58#ifdef __KERNEL__
59extern struct systemcfg *_systemcfg; /* to be renamed */
60#endif
61
62#endif /* __ASSEMBLY__ */
63
64#endif /* _SYSTEMCFG_H */
diff --git a/include/asm-ppc64/vdso.h b/include/asm-powerpc/vdso.h
index 85d8a7be25c4..85d8a7be25c4 100644
--- a/include/asm-ppc64/vdso.h
+++ b/include/asm-powerpc/vdso.h
diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h
new file mode 100644
index 000000000000..fc323b51366b
--- /dev/null
+++ b/include/asm-powerpc/vdso_datapage.h
@@ -0,0 +1,108 @@
1#ifndef _VDSO_DATAPAGE_H
2#define _VDSO_DATAPAGE_H
3
4/*
5 * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
6 * Copyright (C) 2005 Benjamin Herrenschmidy <benh@kernel.crashing.org>,
7 * IBM Corp.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
13 */
14
15
16/*
17 * Note about this structure:
18 *
19 * This structure was historically called systemcfg and exposed to
20 * userland via /proc/ppc64/systemcfg. Unfortunately, this became an
21 * ABI issue as some proprietary software started relying on being able
22 * to mmap() it, thus we have to keep the base layout at least for a
23 * few kernel versions.
24 *
25 * However, since ppc32 doesn't suffer from this backward handicap,
26 * a simpler version of the data structure is used there with only the
27 * fields actually used by the vDSO.
28 *
29 */
30
31/*
32 * If the major version changes we are incompatible.
33 * Minor version changes are a hint.
34 */
35#define SYSTEMCFG_MAJOR 1
36#define SYSTEMCFG_MINOR 1
37
38#ifndef __ASSEMBLY__
39
40#include <linux/unistd.h>
41
42#define SYSCALL_MAP_SIZE ((__NR_syscalls + 31) / 32)
43
44/*
45 * So here is the ppc64 backward compatible version
46 */
47
48#ifdef CONFIG_PPC64
49
50struct vdso_data {
51 __u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */
52 struct { /* Systemcfg version numbers */
53 __u32 major; /* Major number 0x10 */
54 __u32 minor; /* Minor number 0x14 */
55 } version;
56
57 __u32 platform; /* Platform flags 0x18 */
58 __u32 processor; /* Processor type 0x1C */
59 __u64 processorCount; /* # of physical processors 0x20 */
60 __u64 physicalMemorySize; /* Size of real memory(B) 0x28 */
61 __u64 tb_orig_stamp; /* Timebase at boot 0x30 */
62 __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */
63 __u64 tb_to_xs; /* Inverse of TB to 2^20 0x40 */
64 __u64 stamp_xsec; /* 0x48 */
65 __u64 tb_update_count; /* Timebase atomicity ctr 0x50 */
66 __u32 tz_minuteswest; /* Minutes west of Greenwich 0x58 */
67 __u32 tz_dsttime; /* Type of dst correction 0x5C */
68 __u32 dcache_size; /* L1 d-cache size 0x60 */
69 __u32 dcache_line_size; /* L1 d-cache line size 0x64 */
70 __u32 icache_size; /* L1 i-cache size 0x68 */
71 __u32 icache_line_size; /* L1 i-cache line size 0x6C */
72
73 /* those additional ones don't have to be located anywhere
74 * special as they were not part of the original systemcfg
75 */
76 __s64 wtom_clock_sec; /* Wall to monotonic clock */
77 __s32 wtom_clock_nsec;
78 __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of syscalls */
79 __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */
80};
81
82#else /* CONFIG_PPC64 */
83
84/*
85 * And here is the simpler 32 bits version
86 */
87struct vdso_data {
88 __u64 tb_orig_stamp; /* Timebase at boot 0x30 */
89 __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */
90 __u64 tb_to_xs; /* Inverse of TB to 2^20 0x40 */
91 __u64 stamp_xsec; /* 0x48 */
92 __u32 tb_update_count; /* Timebase atomicity ctr 0x50 */
93 __u32 tz_minuteswest; /* Minutes west of Greenwich 0x58 */
94 __u32 tz_dsttime; /* Type of dst correction 0x5C */
95 __s32 wtom_clock_sec; /* Wall to monotonic clock */
96 __s32 wtom_clock_nsec;
97 __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */
98};
99
100#endif /* CONFIG_PPC64 */
101
102#ifdef __KERNEL__
103extern struct vdso_data *vdso_data;
104#endif
105
106#endif /* __ASSEMBLY__ */
107
108#endif /* _SYSTEMCFG_H */
diff --git a/include/asm-ppc/page.h b/include/asm-ppc/page.h
index fc44f7ca62d7..538e0c8ab243 100644
--- a/include/asm-ppc/page.h
+++ b/include/asm-ppc/page.h
@@ -1,9 +1,12 @@
1#ifndef _PPC_PAGE_H 1#ifndef _PPC_PAGE_H
2#define _PPC_PAGE_H 2#define _PPC_PAGE_H
3 3
4#include <linux/config.h>
5#include <asm/asm-compat.h>
6
4/* PAGE_SHIFT determines the page size */ 7/* PAGE_SHIFT determines the page size */
5#define PAGE_SHIFT 12 8#define PAGE_SHIFT 12
6#define PAGE_SIZE (1UL << PAGE_SHIFT) 9#define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT)
7 10
8/* 11/*
9 * Subtle: this is an int (not an unsigned long) and so it 12 * Subtle: this is an int (not an unsigned long) and so it
@@ -169,5 +172,8 @@ extern __inline__ int get_order(unsigned long size)
169#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ 172#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
170 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) 173 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
171 174
175/* We do define AT_SYSINFO_EHDR but don't use the gate mecanism */
176#define __HAVE_ARCH_GATE_AREA 1
177
172#endif /* __KERNEL__ */ 178#endif /* __KERNEL__ */
173#endif /* _PPC_PAGE_H */ 179#endif /* _PPC_PAGE_H */
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-06 09:22:43 -0500