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EnigmA Amiga Run 1996 March
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EnigmA AMIGA RUN 05 (1996)(G.R. Edizioni)(IT)[!][issue 1996-03][Skylink CD IV].iso
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ixemlsrc.lha
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ixemul
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library
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ixemul.h
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C/C++ Source or Header
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1995-12-31
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7KB
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291 lines
/*
* This file is part of ixemul.library for the Amiga.
* Copyright (C) 1991, 1992 Markus M. Wild
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* ixemul.h,v 1.1.1.1 1994/04/04 04:29:38 amiga Exp
*
* ixemul.h,v
* Revision 1.1.1.1 1994/04/04 04:29:38 amiga
* Initial CVS check in.
*
* Revision 1.4 1993/11/05 22:14:40 mwild
* changes there, here...
*
* Revision 1.3 1992/10/20 16:32:33 mwild
* *** empty log message ***
*
* Revision 1.2 1992/07/04 19:25:26 mwild
* change __rwport to reflect the current state of the (now global) async port
*
* Revision 1.1 1992/05/14 20:36:14 mwild
* Initial revision
*
*/
#ifndef _IXEMUL_H_
#define _IXEMUL_H_
#ifdef START
/* definitions for the assembler startup file */
/* when I've REALLY lots of free time, I'll rewrite header files, but now... */
/* amazingly works, contains only defines ;-)) */
#include <exec/alerts.h>
#define _LVOOpenLibrary -0x228
#define _LVOCloseLibrary -0x19e
#define _LVOAlert -0x6c
#define _LVOFreeMem -0xd2
#define _LVORemove -0xfc
#define RTC_MATCHWORD 0x4afc
#define RTF_AUTOINIT (1<<7)
#define LIBF_CHANGED (1<<1)
#define LIBF_SUMUSED (1<<2)
/* seems there is an assembler bug in expression evaluation here.. */
#define LIBF_CHANGED_SUMUSED 0x6
#define LIBF_DELEXP (1<<3)
#define LIBB_DELEXP 3
#define LN_TYPE 8
#define LN_NAME 10
#define NT_LIBRARY 9
#define MP_FLAGS 14
#define PA_IGNORE 2
#define LIST_SIZEOF 14
#define THISTASK 276
#define INITBYTE(field,val) .word 0xe000; .word (field); .byte (val); .byte 0
#define INITWORD(field,val) .word 0xd000; .word (field); .word (val)
#define INITLONG(field,val) .word 0xc000; .word (field); .long (val)
/*
* our library base..
*/
/* struct library */
#define IXBASE_NODE 0
#define IXBASE_FLAGS 14
#define IXBASE_NEGSIZE 16
#define IXBASE_POSSIZE 18
#define IXBASE_VERSION 20
#define IXBASE_REVISION 22
#define IXBASE_IDSTRING 24
#define IXBASE_SUM 28
#define IXBASE_OPENCNT 32
#define IXBASE_LIBRARY 34 /* size of library */
/* custom part */
#define IXBASE_MYFLAGS (IXBASE_LIBRARY + 0)
#define IXBASE_SEGLIST (IXBASE_MYFLAGS + 2)
#define IXBASE_C_PRIVATE (IXBASE_SEGLIST + 4)
#else /* C-part */
#include <exec/types.h>
#include <exec/libraries.h>
#include <exec/execbase.h>
#include <exec/ports.h>
#include <libraries/dosextens.h>
#include <sys/types.h>
#ifdef KERNEL
#define _INTERNAL_FILE
#endif
#include <sys/file.h>
#include <sys/param.h>
#include <packets.h>
#include <sys/syscall.h>
#include <signal.h>
#ifdef KERNEL
#include <user.h>
#endif
#include <errno.h>
/* ix_flags defines */
#define ix_do_not_flush_library 0x00001000
#define ix_allow_amiga_wildcard 0x00000800
#define ix_no_insert_disk_requester 0x00000400
#define ix_unix_pattern_matching_case_sensitive 0x00000200
/* #define ix_unix_pattern_matching 0x00000100 obsolete */
/* #define ix_no_ces_then_open_console 0x00000080 obsolete */
#define ix_ignore_global_env 0x00000040
/* #define ix_disable_fibcache 0x00000020 obsolete */
/* #define ix_translate_dots 0x00000010 obsolete */
#define ix_watch_stack 0x00000008
/* #define ix_force_translation 0x00000004 obsolete */
/* #define ix_translate_symlinks 0x00000002 obsolete */
#define ix_translate_slash 0x00000001
/* ix_network_type enum */
enum
{
IX_NETWORK_AUTO,
IX_NETWORK_NONE,
IX_NETWORK_AS225,
IX_NETWORK_AMITCP,
IX_NETWORK_END_OF_ENUM
};
/* configure this to the number of hash queues you like,
* use a prime number !!
*/
#define IX_NUM_SLEEP_QUEUES 31
struct ixemul_base {
struct Library ix_lib;
/* don't use the remainder of the library base. The contents can change
without warning in the future. */
#ifdef KERNEL
unsigned char ix_myflags; /* used by start.s */
unsigned char ix_pad;
BPTR ix_seg_list; /* used by start.s */
/* the global file table with current size */
struct file *ix_file_tab;
struct file *ix_fileNFILE;
struct file *ix_lastf;
/* size of start of red zone from bottom of stack */
int ix_red_zone_size;
struct SignalSemaphore ix_semaph;
int ix_membuf_limit;
/* multiplier for id_BytesPerBlock to get to st_blksize, default 64 */
int ix_fs_buf_factor;
unsigned long ix_flags;
struct MinList ix_sleep_queues [IX_NUM_SLEEP_QUEUES];
struct MinList ix_socket_list;
long ix_gmt_offset;
int ix_network_type;
#endif
};
/* this is the only prototype of library functions, that are really used inside
* the library. (So a user can patch a function, and the library will use
* the new entry, and not a hard compiled address */
#define syscall(vec, args...) \
({register int (*_sc)()=(void *)(&((char *)ixemulbase)[-((vec)+4)*6]); _sc(args);})
/* Structure to pass ixemul.library settings to/from the library base */
struct ix_settings {
int version;
int revision;
unsigned long flags;
int membuf_limit;
int red_zone_size;
int fs_buf_factor;
int network_type;
};
/* Environment name of ixemul settings */
#define IX_ENV_SETTINGS "ixemul.prefs"
void ix_set_gmt_offset(long offset);
long ix_get_gmt_offset(void);
struct ix_settings *ix_get_default_settings(void);
struct ix_settings *ix_get_settings(void);
void ix_set_settings(struct ix_settings *settings);
#ifdef KERNEL
#include <ixprotos.h>
extern struct ixemul_base *ixemulbase;
#define ix (*ixemulbase)
#define u (*(struct user *)((*(struct ExecBase **)4)->ThisTask->tc_TrapData))
static inline u_int get_usp (void)
{
u_int res;
asm volatile ("movel usp,%0" : "=a" (res));
return res;
}
static inline void set_usp (u_int new_usp)
{
asm volatile ("movel %0,usp" : /* no output */ : "a" (new_usp));
}
static inline u_int get_sp (void)
{
u_int res;
asm volatile ("movel sp,%0" : "=a" (res));
return res;
}
static inline void set_sp (u_int new_sp)
{
asm volatile ("movel %0,sp" : /* no output */ : "a" (new_sp));
}
static inline u_short get_sr (void)
{
u_short res;
asm volatile ("movew sr,%0" : "=g" (res));
return res;
}
static inline u_int get_fp (void)
{
u_int res;
asm volatile ("movel a5,%0" : "=g" (res));
return res;
}
#define PRIVATE
extern struct ExecBase *SysBase;
#include <inline/exec.h>
#undef PRIVATE
extern struct DosLibrary *DOSBase;
#include <inline/dos.h>
#define errno (* u.u_errno)
extern struct MsgPort *ix_async_mp;
#define __rwport (ix_async_mp)
#define __srwport (u.u_sync_mp)
#endif /* KERNEL */
#endif /* START */
#endif /* _IXEMUL_H */