2 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
6 #ifndef __UM_PROCESSOR_GENERIC_H
7 #define __UM_PROCESSOR_GENERIC_H
13 #include "linux/config.h"
14 #include "linux/signal.h"
15 #include "asm/ptrace.h"
16 #include "asm/siginfo.h"
17 #include "choose-mode.h"
21 #define current_text_addr() ((void *) 0)
23 #define cpu_relax() do ; while (0)
30 int singlestep_syscall;
35 #ifdef CONFIG_MODE_SKAS
36 struct proc_skas_mode {
42 struct thread_struct {
44 unsigned long kernel_stack;
51 struct task_struct *prev_sched;
52 unsigned long temp_stack;
54 struct arch_thread arch;
57 struct proc_tt_mode tt;
59 #ifdef CONFIG_MODE_SKAS
60 struct proc_skas_mode skas;
93 .arch = INIT_ARCH_THREAD, \
101 extern struct task_struct *alloc_task_struct(void);
102 extern void free_task_struct(struct task_struct *task);
104 extern void release_thread(struct task_struct *);
105 extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
106 extern void dump_thread(struct pt_regs *regs, struct user *u);
108 extern unsigned long thread_saved_pc(struct task_struct *t);
110 #define init_stack (init_thread_union.stack)
113 * User space process size: 3GB (default).
115 extern unsigned long task_size;
117 #define TASK_SIZE (task_size)
119 /* This decides where the kernel will search for a free chunk of vm
120 * space during mmap's.
122 #define TASK_UNMAPPED_BASE (0x40000000)
124 extern void start_thread(struct pt_regs *regs, unsigned long entry,
125 unsigned long stack);
128 unsigned long loops_per_jiffy;
132 extern struct cpuinfo_um boot_cpu_data;
134 #define my_cpu_data cpu_data[smp_processor_id()]
137 extern struct cpuinfo_um cpu_data[];
138 #define current_cpu_data cpu_data[smp_processor_id()]
140 #define cpu_data (&boot_cpu_data)
141 #define current_cpu_data boot_cpu_data
144 #define KSTK_EIP(tsk) (PT_REGS_IP(&tsk->thread.regs))
145 #define KSTK_ESP(tsk) (PT_REGS_SP(&tsk->thread.regs))
146 #define get_wchan(p) (0)
151 * Overrides for Emacs so that we follow Linus's tabbing style.
152 * Emacs will notice this stuff at the end of the file and automatically
153 * adjust the settings for this buffer only. This must remain at the end
155 * ---------------------------------------------------------------------------
157 * c-file-style: "linux"