diff options
author | Gennady Sharapov <Gennady.V.Sharapov@intel.com> | 2006-01-18 20:42:44 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-18 22:20:19 -0500 |
commit | 4abfbf4034b419736de5797a3860ab0bcf5c5c8d (patch) | |
tree | 4cc593f696c92dc2f3db63f9c89bc5862ea73801 /arch/um/include | |
parent | 2c332a251302873cf8301c2aad27737b6df70255 (diff) |
[PATCH] uml: move headers to arch/um/include
The serial UML OS-abstraction layer patch (um/kernel dir).
This moves skas headers to arch/um/include.
Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/include')
-rw-r--r-- | arch/um/include/mode_kern.h | 15 | ||||
-rw-r--r-- | arch/um/include/skas/mm_id.h | 17 | ||||
-rw-r--r-- | arch/um/include/skas/mmu-skas.h | 24 | ||||
-rw-r--r-- | arch/um/include/skas/mode-skas.h | 22 | ||||
-rw-r--r-- | arch/um/include/skas/mode_kern_skas.h | 41 | ||||
-rw-r--r-- | arch/um/include/skas/proc_mm.h | 44 | ||||
-rw-r--r-- | arch/um/include/skas/skas.h | 49 | ||||
-rw-r--r-- | arch/um/include/skas/stub-data.h | 18 | ||||
-rw-r--r-- | arch/um/include/skas/uaccess-skas.h | 21 | ||||
-rw-r--r-- | arch/um/include/tt/debug.h | 18 | ||||
-rw-r--r-- | arch/um/include/tt/mmu-tt.h | 12 | ||||
-rw-r--r-- | arch/um/include/tt/mode-tt.h | 23 | ||||
-rw-r--r-- | arch/um/include/tt/mode_kern_tt.h | 41 | ||||
-rw-r--r-- | arch/um/include/tt/tt.h | 36 | ||||
-rw-r--r-- | arch/um/include/tt/uaccess-tt.h | 48 |
15 files changed, 416 insertions, 13 deletions
diff --git a/arch/um/include/mode_kern.h b/arch/um/include/mode_kern.h index 2d88afd0cf16..e7539a8451ef 100644 --- a/arch/um/include/mode_kern.h +++ b/arch/um/include/mode_kern.h | |||
@@ -9,22 +9,11 @@ | |||
9 | #include "linux/config.h" | 9 | #include "linux/config.h" |
10 | 10 | ||
11 | #ifdef CONFIG_MODE_TT | 11 | #ifdef CONFIG_MODE_TT |
12 | #include "mode_kern-tt.h" | 12 | #include "mode_kern_tt.h" |
13 | #endif | 13 | #endif |
14 | 14 | ||
15 | #ifdef CONFIG_MODE_SKAS | 15 | #ifdef CONFIG_MODE_SKAS |
16 | #include "mode_kern-skas.h" | 16 | #include "mode_kern_skas.h" |
17 | #endif | 17 | #endif |
18 | 18 | ||
19 | #endif | 19 | #endif |
20 | |||
21 | /* | ||
22 | * Overrides for Emacs so that we follow Linus's tabbing style. | ||
23 | * Emacs will notice this stuff at the end of the file and automatically | ||
24 | * adjust the settings for this buffer only. This must remain at the end | ||
25 | * of the file. | ||
26 | * --------------------------------------------------------------------------- | ||
27 | * Local variables: | ||
28 | * c-file-style: "linux" | ||
29 | * End: | ||
30 | */ | ||
diff --git a/arch/um/include/skas/mm_id.h b/arch/um/include/skas/mm_id.h new file mode 100644 index 000000000000..48dd0989ddaa --- /dev/null +++ b/arch/um/include/skas/mm_id.h | |||
@@ -0,0 +1,17 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2005 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __MM_ID_H | ||
7 | #define __MM_ID_H | ||
8 | |||
9 | struct mm_id { | ||
10 | union { | ||
11 | int mm_fd; | ||
12 | int pid; | ||
13 | } u; | ||
14 | unsigned long stack; | ||
15 | }; | ||
16 | |||
17 | #endif | ||
diff --git a/arch/um/include/skas/mmu-skas.h b/arch/um/include/skas/mmu-skas.h new file mode 100644 index 000000000000..d8869a6ef1b4 --- /dev/null +++ b/arch/um/include/skas/mmu-skas.h | |||
@@ -0,0 +1,24 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __SKAS_MMU_H | ||
7 | #define __SKAS_MMU_H | ||
8 | |||
9 | #include "linux/config.h" | ||
10 | #include "mm_id.h" | ||
11 | #include "asm/ldt.h" | ||
12 | |||
13 | struct mmu_context_skas { | ||
14 | struct mm_id id; | ||
15 | unsigned long last_page_table; | ||
16 | #ifdef CONFIG_3_LEVEL_PGTABLES | ||
17 | unsigned long last_pmd; | ||
18 | #endif | ||
19 | uml_ldt_t ldt; | ||
20 | }; | ||
21 | |||
22 | extern void switch_mm_skas(struct mm_id * mm_idp); | ||
23 | |||
24 | #endif | ||
diff --git a/arch/um/include/skas/mode-skas.h b/arch/um/include/skas/mode-skas.h new file mode 100644 index 000000000000..64b960006f1e --- /dev/null +++ b/arch/um/include/skas/mode-skas.h | |||
@@ -0,0 +1,22 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __MODE_SKAS_H__ | ||
7 | #define __MODE_SKAS_H__ | ||
8 | |||
9 | #include <sysdep/ptrace.h> | ||
10 | |||
11 | extern unsigned long exec_regs[]; | ||
12 | extern unsigned long exec_fp_regs[]; | ||
13 | extern unsigned long exec_fpx_regs[]; | ||
14 | extern int have_fpx_regs; | ||
15 | |||
16 | extern void sig_handler_common_skas(int sig, void *sc_ptr); | ||
17 | extern void halt_skas(void); | ||
18 | extern void reboot_skas(void); | ||
19 | extern void kill_off_processes_skas(void); | ||
20 | extern int is_skas_winch(int pid, int fd, void *data); | ||
21 | |||
22 | #endif | ||
diff --git a/arch/um/include/skas/mode_kern_skas.h b/arch/um/include/skas/mode_kern_skas.h new file mode 100644 index 000000000000..dd9f2d722fb9 --- /dev/null +++ b/arch/um/include/skas/mode_kern_skas.h | |||
@@ -0,0 +1,41 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __SKAS_MODE_KERN_H__ | ||
7 | #define __SKAS_MODE_KERN_H__ | ||
8 | |||
9 | #include "linux/sched.h" | ||
10 | #include "asm/page.h" | ||
11 | #include "asm/ptrace.h" | ||
12 | |||
13 | extern void flush_thread_skas(void); | ||
14 | extern void switch_to_skas(void *prev, void *next); | ||
15 | extern void start_thread_skas(struct pt_regs *regs, unsigned long eip, | ||
16 | unsigned long esp); | ||
17 | extern int copy_thread_skas(int nr, unsigned long clone_flags, | ||
18 | unsigned long sp, unsigned long stack_top, | ||
19 | struct task_struct *p, struct pt_regs *regs); | ||
20 | extern void release_thread_skas(struct task_struct *task); | ||
21 | extern void initial_thread_cb_skas(void (*proc)(void *), void *arg); | ||
22 | extern void init_idle_skas(void); | ||
23 | extern void flush_tlb_kernel_range_skas(unsigned long start, | ||
24 | unsigned long end); | ||
25 | extern void flush_tlb_kernel_vm_skas(void); | ||
26 | extern void __flush_tlb_one_skas(unsigned long addr); | ||
27 | extern void flush_tlb_range_skas(struct vm_area_struct *vma, | ||
28 | unsigned long start, unsigned long end); | ||
29 | extern void flush_tlb_mm_skas(struct mm_struct *mm); | ||
30 | extern void force_flush_all_skas(void); | ||
31 | extern long execute_syscall_skas(void *r); | ||
32 | extern void before_mem_skas(unsigned long unused); | ||
33 | extern unsigned long set_task_sizes_skas(int arg, unsigned long *host_size_out, | ||
34 | unsigned long *task_size_out); | ||
35 | extern int start_uml_skas(void); | ||
36 | extern int external_pid_skas(struct task_struct *task); | ||
37 | extern int thread_pid_skas(struct task_struct *task); | ||
38 | |||
39 | #define kmem_end_skas (host_task_size - 1024 * 1024) | ||
40 | |||
41 | #endif | ||
diff --git a/arch/um/include/skas/proc_mm.h b/arch/um/include/skas/proc_mm.h new file mode 100644 index 000000000000..902809209603 --- /dev/null +++ b/arch/um/include/skas/proc_mm.h | |||
@@ -0,0 +1,44 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __SKAS_PROC_MM_H | ||
7 | #define __SKAS_PROC_MM_H | ||
8 | |||
9 | #define MM_MMAP 54 | ||
10 | #define MM_MUNMAP 55 | ||
11 | #define MM_MPROTECT 56 | ||
12 | #define MM_COPY_SEGMENTS 57 | ||
13 | |||
14 | struct mm_mmap { | ||
15 | unsigned long addr; | ||
16 | unsigned long len; | ||
17 | unsigned long prot; | ||
18 | unsigned long flags; | ||
19 | unsigned long fd; | ||
20 | unsigned long offset; | ||
21 | }; | ||
22 | |||
23 | struct mm_munmap { | ||
24 | unsigned long addr; | ||
25 | unsigned long len; | ||
26 | }; | ||
27 | |||
28 | struct mm_mprotect { | ||
29 | unsigned long addr; | ||
30 | unsigned long len; | ||
31 | unsigned int prot; | ||
32 | }; | ||
33 | |||
34 | struct proc_mm_op { | ||
35 | int op; | ||
36 | union { | ||
37 | struct mm_mmap mmap; | ||
38 | struct mm_munmap munmap; | ||
39 | struct mm_mprotect mprotect; | ||
40 | int copy_segments; | ||
41 | } u; | ||
42 | }; | ||
43 | |||
44 | #endif | ||
diff --git a/arch/um/include/skas/skas.h b/arch/um/include/skas/skas.h new file mode 100644 index 000000000000..158f322248e3 --- /dev/null +++ b/arch/um/include/skas/skas.h | |||
@@ -0,0 +1,49 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __SKAS_H | ||
7 | #define __SKAS_H | ||
8 | |||
9 | #include "mm_id.h" | ||
10 | #include "sysdep/ptrace.h" | ||
11 | |||
12 | extern int userspace_pid[]; | ||
13 | extern int proc_mm, ptrace_faultinfo, ptrace_ldt; | ||
14 | extern int skas_needs_stub; | ||
15 | |||
16 | extern void switch_threads(void *me, void *next); | ||
17 | extern void thread_wait(void *sw, void *fb); | ||
18 | extern void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr, | ||
19 | void (*handler)(int)); | ||
20 | extern int start_idle_thread(void *stack, void *switch_buf_ptr, | ||
21 | void **fork_buf_ptr); | ||
22 | extern int user_thread(unsigned long stack, int flags); | ||
23 | extern void userspace(union uml_pt_regs *regs); | ||
24 | extern void new_thread_proc(void *stack, void (*handler)(int sig)); | ||
25 | extern void new_thread_handler(int sig); | ||
26 | extern void handle_syscall(union uml_pt_regs *regs); | ||
27 | extern int map(struct mm_id * mm_idp, unsigned long virt, | ||
28 | unsigned long len, int r, int w, int x, int phys_fd, | ||
29 | unsigned long long offset, int done, void **data); | ||
30 | extern int unmap(struct mm_id * mm_idp, void *addr, unsigned long len, | ||
31 | int done, void **data); | ||
32 | extern int protect(struct mm_id * mm_idp, unsigned long addr, | ||
33 | unsigned long len, int r, int w, int x, int done, | ||
34 | void **data); | ||
35 | extern void user_signal(int sig, union uml_pt_regs *regs, int pid); | ||
36 | extern int new_mm(unsigned long stack); | ||
37 | extern int start_userspace(unsigned long stub_stack); | ||
38 | extern int copy_context_skas0(unsigned long stack, int pid); | ||
39 | extern void get_skas_faultinfo(int pid, struct faultinfo * fi); | ||
40 | extern long execute_syscall_skas(void *r); | ||
41 | extern unsigned long current_stub_stack(void); | ||
42 | extern long run_syscall_stub(struct mm_id * mm_idp, | ||
43 | int syscall, unsigned long *args, long expected, | ||
44 | void **addr, int done); | ||
45 | extern long syscall_stub_data(struct mm_id * mm_idp, | ||
46 | unsigned long *data, int data_count, | ||
47 | void **addr, void **stub_addr); | ||
48 | |||
49 | #endif | ||
diff --git a/arch/um/include/skas/stub-data.h b/arch/um/include/skas/stub-data.h new file mode 100644 index 000000000000..f6ed92c3727d --- /dev/null +++ b/arch/um/include/skas/stub-data.h | |||
@@ -0,0 +1,18 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2005 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __STUB_DATA_H | ||
7 | #define __STUB_DATA_H | ||
8 | |||
9 | #include <sys/time.h> | ||
10 | |||
11 | struct stub_data { | ||
12 | long offset; | ||
13 | int fd; | ||
14 | struct itimerval timer; | ||
15 | long err; | ||
16 | }; | ||
17 | |||
18 | #endif | ||
diff --git a/arch/um/include/skas/uaccess-skas.h b/arch/um/include/skas/uaccess-skas.h new file mode 100644 index 000000000000..224a75f4c025 --- /dev/null +++ b/arch/um/include/skas/uaccess-skas.h | |||
@@ -0,0 +1,21 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __SKAS_UACCESS_H | ||
7 | #define __SKAS_UACCESS_H | ||
8 | |||
9 | #include "asm/errno.h" | ||
10 | |||
11 | /* No SKAS-specific checking. */ | ||
12 | #define access_ok_skas(type, addr, size) 0 | ||
13 | |||
14 | extern int copy_from_user_skas(void *to, const void __user *from, int n); | ||
15 | extern int copy_to_user_skas(void __user *to, const void *from, int n); | ||
16 | extern int strncpy_from_user_skas(char *dst, const char __user *src, int count); | ||
17 | extern int __clear_user_skas(void __user *mem, int len); | ||
18 | extern int clear_user_skas(void __user *mem, int len); | ||
19 | extern int strnlen_user_skas(const void __user *str, int len); | ||
20 | |||
21 | #endif | ||
diff --git a/arch/um/include/tt/debug.h b/arch/um/include/tt/debug.h new file mode 100644 index 000000000000..9778fa838296 --- /dev/null +++ b/arch/um/include/tt/debug.h | |||
@@ -0,0 +1,18 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) and | ||
3 | * Lars Brinkhoff. | ||
4 | * Licensed under the GPL | ||
5 | */ | ||
6 | |||
7 | #ifndef __UML_TT_DEBUG_H | ||
8 | #define __UML_TT_DEBUG_H | ||
9 | |||
10 | extern int debugger_proxy(int status, pid_t pid); | ||
11 | extern void child_proxy(pid_t pid, int status); | ||
12 | extern void init_proxy (pid_t pid, int waiting, int status); | ||
13 | extern int start_debugger(char *prog, int startup, int stop, int *debugger_fd); | ||
14 | extern void fake_child_exit(void); | ||
15 | extern int gdb_config(char *str); | ||
16 | extern int gdb_remove(int unused); | ||
17 | |||
18 | #endif | ||
diff --git a/arch/um/include/tt/mmu-tt.h b/arch/um/include/tt/mmu-tt.h new file mode 100644 index 000000000000..572a78b22587 --- /dev/null +++ b/arch/um/include/tt/mmu-tt.h | |||
@@ -0,0 +1,12 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __TT_MMU_H | ||
7 | #define __TT_MMU_H | ||
8 | |||
9 | struct mmu_context_tt { | ||
10 | }; | ||
11 | |||
12 | #endif | ||
diff --git a/arch/um/include/tt/mode-tt.h b/arch/um/include/tt/mode-tt.h new file mode 100644 index 000000000000..2823cd56eea2 --- /dev/null +++ b/arch/um/include/tt/mode-tt.h | |||
@@ -0,0 +1,23 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __MODE_TT_H__ | ||
7 | #define __MODE_TT_H__ | ||
8 | |||
9 | #include "sysdep/ptrace.h" | ||
10 | |||
11 | enum { OP_NONE, OP_EXEC, OP_FORK, OP_TRACE_ON, OP_REBOOT, OP_HALT, OP_CB }; | ||
12 | |||
13 | extern int tracing_pid; | ||
14 | |||
15 | extern int tracer(int (*init_proc)(void *), void *sp); | ||
16 | extern void sig_handler_common_tt(int sig, void *sc); | ||
17 | extern void syscall_handler_tt(int sig, union uml_pt_regs *regs); | ||
18 | extern void reboot_tt(void); | ||
19 | extern void halt_tt(void); | ||
20 | extern int is_tracer_winch(int pid, int fd, void *data); | ||
21 | extern void kill_off_processes_tt(void); | ||
22 | |||
23 | #endif | ||
diff --git a/arch/um/include/tt/mode_kern_tt.h b/arch/um/include/tt/mode_kern_tt.h new file mode 100644 index 000000000000..efa0012550d0 --- /dev/null +++ b/arch/um/include/tt/mode_kern_tt.h | |||
@@ -0,0 +1,41 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __TT_MODE_KERN_H__ | ||
7 | #define __TT_MODE_KERN_H__ | ||
8 | |||
9 | #include "linux/sched.h" | ||
10 | #include "asm/page.h" | ||
11 | #include "asm/ptrace.h" | ||
12 | #include "asm/uaccess.h" | ||
13 | |||
14 | extern void switch_to_tt(void *prev, void *next); | ||
15 | extern void flush_thread_tt(void); | ||
16 | extern void start_thread_tt(struct pt_regs *regs, unsigned long eip, | ||
17 | unsigned long esp); | ||
18 | extern int copy_thread_tt(int nr, unsigned long clone_flags, unsigned long sp, | ||
19 | unsigned long stack_top, struct task_struct *p, | ||
20 | struct pt_regs *regs); | ||
21 | extern void release_thread_tt(struct task_struct *task); | ||
22 | extern void initial_thread_cb_tt(void (*proc)(void *), void *arg); | ||
23 | extern void init_idle_tt(void); | ||
24 | extern void flush_tlb_kernel_range_tt(unsigned long start, unsigned long end); | ||
25 | extern void flush_tlb_kernel_vm_tt(void); | ||
26 | extern void __flush_tlb_one_tt(unsigned long addr); | ||
27 | extern void flush_tlb_range_tt(struct vm_area_struct *vma, | ||
28 | unsigned long start, unsigned long end); | ||
29 | extern void flush_tlb_mm_tt(struct mm_struct *mm); | ||
30 | extern void force_flush_all_tt(void); | ||
31 | extern long execute_syscall_tt(void *r); | ||
32 | extern void before_mem_tt(unsigned long brk_start); | ||
33 | extern unsigned long set_task_sizes_tt(int arg, unsigned long *host_size_out, | ||
34 | unsigned long *task_size_out); | ||
35 | extern int start_uml_tt(void); | ||
36 | extern int external_pid_tt(struct task_struct *task); | ||
37 | extern int thread_pid_tt(struct task_struct *task); | ||
38 | |||
39 | #define kmem_end_tt (host_task_size - ABOVE_KMEM) | ||
40 | |||
41 | #endif | ||
diff --git a/arch/um/include/tt/tt.h b/arch/um/include/tt/tt.h new file mode 100644 index 000000000000..808521980186 --- /dev/null +++ b/arch/um/include/tt/tt.h | |||
@@ -0,0 +1,36 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __TT_H__ | ||
7 | #define __TT_H__ | ||
8 | |||
9 | #include "sysdep/ptrace.h" | ||
10 | |||
11 | extern int gdb_pid; | ||
12 | extern int debug; | ||
13 | extern int debug_stop; | ||
14 | extern int debug_trace; | ||
15 | |||
16 | extern int honeypot; | ||
17 | |||
18 | extern int fork_tramp(void *sig_stack); | ||
19 | extern int do_proc_op(void *t, int proc_id); | ||
20 | extern int tracer(int (*init_proc)(void *), void *sp); | ||
21 | extern void attach_process(int pid); | ||
22 | extern void tracer_panic(char *format, ...); | ||
23 | extern void set_init_pid(int pid); | ||
24 | extern int set_user_mode(void *task); | ||
25 | extern void set_tracing(void *t, int tracing); | ||
26 | extern int is_tracing(void *task); | ||
27 | extern void syscall_handler(int sig, union uml_pt_regs *regs); | ||
28 | extern void exit_kernel(int pid, void *task); | ||
29 | extern void do_syscall(void *task, int pid, int local_using_sysemu); | ||
30 | extern void do_sigtrap(void *task); | ||
31 | extern int is_valid_pid(int pid); | ||
32 | extern void remap_data(void *segment_start, void *segment_end, int w); | ||
33 | extern long execute_syscall_tt(void *r); | ||
34 | |||
35 | #endif | ||
36 | |||
diff --git a/arch/um/include/tt/uaccess-tt.h b/arch/um/include/tt/uaccess-tt.h new file mode 100644 index 000000000000..b19645f32f24 --- /dev/null +++ b/arch/um/include/tt/uaccess-tt.h | |||
@@ -0,0 +1,48 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __TT_UACCESS_H | ||
7 | #define __TT_UACCESS_H | ||
8 | |||
9 | #include "linux/string.h" | ||
10 | #include "linux/sched.h" | ||
11 | #include "asm/processor.h" | ||
12 | #include "asm/errno.h" | ||
13 | #include "asm/current.h" | ||
14 | #include "asm/a.out.h" | ||
15 | #include "uml_uaccess.h" | ||
16 | |||
17 | #define ABOVE_KMEM (16 * 1024 * 1024) | ||
18 | |||
19 | extern unsigned long end_vm; | ||
20 | extern unsigned long uml_physmem; | ||
21 | |||
22 | #define is_stack(addr, size) \ | ||
23 | (((unsigned long) (addr) < STACK_TOP) && \ | ||
24 | ((unsigned long) (addr) >= STACK_TOP - ABOVE_KMEM) && \ | ||
25 | (((unsigned long) (addr) + (size)) <= STACK_TOP)) | ||
26 | |||
27 | #define access_ok_tt(type, addr, size) \ | ||
28 | (is_stack(addr, size)) | ||
29 | |||
30 | extern unsigned long get_fault_addr(void); | ||
31 | |||
32 | extern int __do_copy_from_user(void *to, const void *from, int n, | ||
33 | void **fault_addr, void **fault_catcher); | ||
34 | extern int __do_strncpy_from_user(char *dst, const char *src, size_t n, | ||
35 | void **fault_addr, void **fault_catcher); | ||
36 | extern int __do_clear_user(void *mem, size_t len, void **fault_addr, | ||
37 | void **fault_catcher); | ||
38 | extern int __do_strnlen_user(const char *str, unsigned long n, | ||
39 | void **fault_addr, void **fault_catcher); | ||
40 | |||
41 | extern int copy_from_user_tt(void *to, const void __user *from, int n); | ||
42 | extern int copy_to_user_tt(void __user *to, const void *from, int n); | ||
43 | extern int strncpy_from_user_tt(char *dst, const char __user *src, int count); | ||
44 | extern int __clear_user_tt(void __user *mem, int len); | ||
45 | extern int clear_user_tt(void __user *mem, int len); | ||
46 | extern int strnlen_user_tt(const void __user *str, int len); | ||
47 | |||
48 | #endif | ||