aboutsummaryrefslogtreecommitdiffstats
path: root/arch/um/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/include')
-rw-r--r--arch/um/include/mode_kern.h15
-rw-r--r--arch/um/include/skas/mm_id.h17
-rw-r--r--arch/um/include/skas/mmu-skas.h24
-rw-r--r--arch/um/include/skas/mode-skas.h22
-rw-r--r--arch/um/include/skas/mode_kern_skas.h41
-rw-r--r--arch/um/include/skas/proc_mm.h44
-rw-r--r--arch/um/include/skas/skas.h49
-rw-r--r--arch/um/include/skas/stub-data.h18
-rw-r--r--arch/um/include/skas/uaccess-skas.h21
-rw-r--r--arch/um/include/tt/debug.h18
-rw-r--r--arch/um/include/tt/mmu-tt.h12
-rw-r--r--arch/um/include/tt/mode-tt.h23
-rw-r--r--arch/um/include/tt/mode_kern_tt.h41
-rw-r--r--arch/um/include/tt/tt.h36
-rw-r--r--arch/um/include/tt/uaccess-tt.h48
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
9struct 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
13struct 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
22extern 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
11extern unsigned long exec_regs[];
12extern unsigned long exec_fp_regs[];
13extern unsigned long exec_fpx_regs[];
14extern int have_fpx_regs;
15
16extern void sig_handler_common_skas(int sig, void *sc_ptr);
17extern void halt_skas(void);
18extern void reboot_skas(void);
19extern void kill_off_processes_skas(void);
20extern 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
13extern void flush_thread_skas(void);
14extern void switch_to_skas(void *prev, void *next);
15extern void start_thread_skas(struct pt_regs *regs, unsigned long eip,
16 unsigned long esp);
17extern 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);
20extern void release_thread_skas(struct task_struct *task);
21extern void initial_thread_cb_skas(void (*proc)(void *), void *arg);
22extern void init_idle_skas(void);
23extern void flush_tlb_kernel_range_skas(unsigned long start,
24 unsigned long end);
25extern void flush_tlb_kernel_vm_skas(void);
26extern void __flush_tlb_one_skas(unsigned long addr);
27extern void flush_tlb_range_skas(struct vm_area_struct *vma,
28 unsigned long start, unsigned long end);
29extern void flush_tlb_mm_skas(struct mm_struct *mm);
30extern void force_flush_all_skas(void);
31extern long execute_syscall_skas(void *r);
32extern void before_mem_skas(unsigned long unused);
33extern unsigned long set_task_sizes_skas(int arg, unsigned long *host_size_out,
34 unsigned long *task_size_out);
35extern int start_uml_skas(void);
36extern int external_pid_skas(struct task_struct *task);
37extern 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
14struct 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
23struct mm_munmap {
24 unsigned long addr;
25 unsigned long len;
26};
27
28struct mm_mprotect {
29 unsigned long addr;
30 unsigned long len;
31 unsigned int prot;
32};
33
34struct 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
12extern int userspace_pid[];
13extern int proc_mm, ptrace_faultinfo, ptrace_ldt;
14extern int skas_needs_stub;
15
16extern void switch_threads(void *me, void *next);
17extern void thread_wait(void *sw, void *fb);
18extern void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
19 void (*handler)(int));
20extern int start_idle_thread(void *stack, void *switch_buf_ptr,
21 void **fork_buf_ptr);
22extern int user_thread(unsigned long stack, int flags);
23extern void userspace(union uml_pt_regs *regs);
24extern void new_thread_proc(void *stack, void (*handler)(int sig));
25extern void new_thread_handler(int sig);
26extern void handle_syscall(union uml_pt_regs *regs);
27extern 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);
30extern int unmap(struct mm_id * mm_idp, void *addr, unsigned long len,
31 int done, void **data);
32extern 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);
35extern void user_signal(int sig, union uml_pt_regs *regs, int pid);
36extern int new_mm(unsigned long stack);
37extern int start_userspace(unsigned long stub_stack);
38extern int copy_context_skas0(unsigned long stack, int pid);
39extern void get_skas_faultinfo(int pid, struct faultinfo * fi);
40extern long execute_syscall_skas(void *r);
41extern unsigned long current_stub_stack(void);
42extern long run_syscall_stub(struct mm_id * mm_idp,
43 int syscall, unsigned long *args, long expected,
44 void **addr, int done);
45extern 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
11struct 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
14extern int copy_from_user_skas(void *to, const void __user *from, int n);
15extern int copy_to_user_skas(void __user *to, const void *from, int n);
16extern int strncpy_from_user_skas(char *dst, const char __user *src, int count);
17extern int __clear_user_skas(void __user *mem, int len);
18extern int clear_user_skas(void __user *mem, int len);
19extern 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
10extern int debugger_proxy(int status, pid_t pid);
11extern void child_proxy(pid_t pid, int status);
12extern void init_proxy (pid_t pid, int waiting, int status);
13extern int start_debugger(char *prog, int startup, int stop, int *debugger_fd);
14extern void fake_child_exit(void);
15extern int gdb_config(char *str);
16extern 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
9struct 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
11enum { OP_NONE, OP_EXEC, OP_FORK, OP_TRACE_ON, OP_REBOOT, OP_HALT, OP_CB };
12
13extern int tracing_pid;
14
15extern int tracer(int (*init_proc)(void *), void *sp);
16extern void sig_handler_common_tt(int sig, void *sc);
17extern void syscall_handler_tt(int sig, union uml_pt_regs *regs);
18extern void reboot_tt(void);
19extern void halt_tt(void);
20extern int is_tracer_winch(int pid, int fd, void *data);
21extern 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
14extern void switch_to_tt(void *prev, void *next);
15extern void flush_thread_tt(void);
16extern void start_thread_tt(struct pt_regs *regs, unsigned long eip,
17 unsigned long esp);
18extern 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);
21extern void release_thread_tt(struct task_struct *task);
22extern void initial_thread_cb_tt(void (*proc)(void *), void *arg);
23extern void init_idle_tt(void);
24extern void flush_tlb_kernel_range_tt(unsigned long start, unsigned long end);
25extern void flush_tlb_kernel_vm_tt(void);
26extern void __flush_tlb_one_tt(unsigned long addr);
27extern void flush_tlb_range_tt(struct vm_area_struct *vma,
28 unsigned long start, unsigned long end);
29extern void flush_tlb_mm_tt(struct mm_struct *mm);
30extern void force_flush_all_tt(void);
31extern long execute_syscall_tt(void *r);
32extern void before_mem_tt(unsigned long brk_start);
33extern unsigned long set_task_sizes_tt(int arg, unsigned long *host_size_out,
34 unsigned long *task_size_out);
35extern int start_uml_tt(void);
36extern int external_pid_tt(struct task_struct *task);
37extern 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
11extern int gdb_pid;
12extern int debug;
13extern int debug_stop;
14extern int debug_trace;
15
16extern int honeypot;
17
18extern int fork_tramp(void *sig_stack);
19extern int do_proc_op(void *t, int proc_id);
20extern int tracer(int (*init_proc)(void *), void *sp);
21extern void attach_process(int pid);
22extern void tracer_panic(char *format, ...);
23extern void set_init_pid(int pid);
24extern int set_user_mode(void *task);
25extern void set_tracing(void *t, int tracing);
26extern int is_tracing(void *task);
27extern void syscall_handler(int sig, union uml_pt_regs *regs);
28extern void exit_kernel(int pid, void *task);
29extern void do_syscall(void *task, int pid, int local_using_sysemu);
30extern void do_sigtrap(void *task);
31extern int is_valid_pid(int pid);
32extern void remap_data(void *segment_start, void *segment_end, int w);
33extern 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
19extern unsigned long end_vm;
20extern 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
30extern unsigned long get_fault_addr(void);
31
32extern int __do_copy_from_user(void *to, const void *from, int n,
33 void **fault_addr, void **fault_catcher);
34extern int __do_strncpy_from_user(char *dst, const char *src, size_t n,
35 void **fault_addr, void **fault_catcher);
36extern int __do_clear_user(void *mem, size_t len, void **fault_addr,
37 void **fault_catcher);
38extern int __do_strnlen_user(const char *str, unsigned long n,
39 void **fault_addr, void **fault_catcher);
40
41extern int copy_from_user_tt(void *to, const void __user *from, int n);
42extern int copy_to_user_tt(void __user *to, const void *from, int n);
43extern int strncpy_from_user_tt(char *dst, const char __user *src, int count);
44extern int __clear_user_tt(void __user *mem, int len);
45extern int clear_user_tt(void __user *mem, int len);
46extern int strnlen_user_tt(const void __user *str, int len);
47
48#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-03 22:58:25 -0500