f19279abda
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@11314 a95241bf-73f2-0310-859d-f6bbb57e9c96
47 lines
1.0 KiB
C
Executable File
47 lines
1.0 KiB
C
Executable File
/*
|
|
** Copyright 2002-2004, The Haiku Team. All rights reserved.
|
|
** Distributed under the terms of the Haiku License.
|
|
**
|
|
** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
|
|
** Distributed under the terms of the NewOS License.
|
|
*/
|
|
#ifndef _KERNEL_ARCH_x86_THREAD_STRUCT_H
|
|
#define _KERNEL_ARCH_x86_THREAD_STRUCT_H
|
|
|
|
|
|
#include <arch_cpu.h>
|
|
|
|
|
|
struct farcall {
|
|
uint32 *esp;
|
|
uint32 *ss;
|
|
};
|
|
|
|
#define IFRAME_TRACE_DEPTH 4
|
|
|
|
// architecture specific thread info
|
|
struct arch_thread {
|
|
struct farcall current_stack;
|
|
struct farcall interrupt_stack;
|
|
|
|
// used to track interrupts on this thread
|
|
struct iframe *iframes[IFRAME_TRACE_DEPTH];
|
|
int iframe_ptr;
|
|
|
|
// 512 byte floating point save point
|
|
uint8 fpu_state[512];
|
|
};
|
|
|
|
struct arch_team {
|
|
// gcc treats empty structures as zero-length in C, but as if they contain
|
|
// a char in C++. So we have to put a dummy in to be able to use the struct
|
|
// from both in a consistent way.
|
|
char dummy;
|
|
};
|
|
|
|
struct arch_fork_arg {
|
|
struct iframe iframe;
|
|
};
|
|
|
|
#endif /* _KERNEL_ARCH_x86_THREAD_STRUCT_H */
|