HenrykRichter
a46badc542
- initial prototype, based on Plipbox framework
- handles some oddities with the current CPLD by software
workarounds, i.e. needs future changes to go along
with updated JED
- lots of TODO still pending
189 lines
6.2 KiB
C
189 lines
6.2 KiB
C
#ifndef __GLOBAL_H
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#define __GLOBAL_H
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/* system header files */
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#ifndef DEVICES_SANA2_H
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#include <devices/sana2.h>
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#endif
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#ifndef EXEC_SEMAPHORES_H
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#include <exec/semaphores.h>
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#endif
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#ifndef EXEC_LISTS_H
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#include <exec/lists.h>
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#endif
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#ifndef EXEC_INTERRUPTS_H
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#include <exec/interrupts.h>
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#endif
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#ifndef EXEC_LIBRARIES_H
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#include <exec/libraries.h>
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#endif
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#ifndef DOS_DOS_H
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#include <dos/dos.h>
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#endif
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#ifndef __COMPILER_H
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#include "compiler.h"
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#endif
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#ifndef __HW_H
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#include "hw.h"
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#endif
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/****************************************************************************/
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/* return val, cut to min or max if exceeding range */
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#define BOUNDS(val, min, max) ((val) <= (max) ? ((val) >= (min) ? (val) :\
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(min)) : (max))
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/* memory economy is *everything* :-) */
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#define SERVERTASKNAME pb->pb_DevNode.lib_Node.ln_Name
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struct TrackRec {
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struct MinNode tr_Link;
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ULONG tr_PacketType;
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ULONG tr_Count;
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struct Sana2PacketTypeStats tr_Sana2PacketTypeStats;
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};
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/****************************************************************************/
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typedef BOOL (* ASM BMFunc)(REG(a0) void *, REG(a1) void *, REG(d0) LONG);
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struct BufferManagement
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{
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struct MinNode bm_Node;
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BMFunc bm_CopyFromBuffer;
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BMFunc bm_CopyToBuffer;
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};
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/****************************************************************************/
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/*
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** sent to the server task after being CreateNewProc()ed
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*/
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struct ServerStartup
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{
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struct Message ss_Msg;
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struct PLIPBase *ss_PLIPBase;
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BOOL ss_Error;
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UBYTE ss_Pad[2];
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};
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/****************************************************************************/
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enum { S2SS_TXERRORS, S2SS_COLLISIONS, S2SS_COUNT };
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/*
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** This count will record the number of packets that failed
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** to be transmitted.
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*/
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#define S2SS_PLIP_TXERRORS ((((S2WireType_Ethernet) & 0xffff) << 16) | (S2SS_TXERRORS))
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/*
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** This count will record the number of line arbitration collisions
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*/
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#define S2SS_PLIP_COLLISIONS ((((S2WireType_Ethernet) & 0xffff) << 16) | (S2SS_COLLISIONS))
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/****************************************************************************/
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struct PLIPBase
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{
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struct Library pb_DevNode; /* basic device structure */
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UBYTE pb_Unit; /* unit of 1st OpenDevice() */
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UBYTE pb_pad1; /* make the following long alligned */
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BPTR pb_SegList; /* pointer to code */
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struct Library * pb_VampireBase;
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struct Library * pb_ExpansionBase;
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struct Library * pb_UtilityBase;
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struct Library * pb_DOSBase;
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struct Library * pb_SysBase;
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struct ServerStartup * pb_Startup; /* main server proces */
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struct Process * pb_Server; /* main server proces */
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struct Task * pb_Task; /* used for server shutdown */
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ULONG pb_ServerStoppedSigMask; /* for shutdown */
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struct MsgPort * pb_ServerPort; /* for IOReq forwarding */
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struct Sana2DeviceStats pb_DevStats; /* SANA-2 wants this */
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struct Sana2SpecialStatRecord
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pb_SpecialStats[S2SS_COUNT];
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volatile struct List pb_ReadList, /* the readers */
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pb_WriteList, /* the writers */
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pb_EventList, /* event tracking */
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pb_ReadOrphanList, /* for spurious packets */
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pb_TrackList, /* track type */
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pb_BufferManagement; /* Copy-In/Out */
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struct SignalSemaphore pb_EventListSem, /* protection for lists */
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pb_ReadListSem,
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pb_WriteListSem,
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pb_TrackListSem,
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pb_ReadOrphanListSem,
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pb_Lock;
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LONG pb_ExpansionPort; /* allocated expansion port */
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volatile UBYTE pb_Flags; /* see below */
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UBYTE pb_pad2;
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volatile UWORD pb_ExtFlags; /* see below */
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UBYTE pb_CfgAddr[HW_ADDRFIELDSIZE];
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UBYTE pb_DefAddr[HW_ADDRFIELDSIZE];
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struct HWBase pb_HWBase;
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struct HWFrame * pb_Frame;
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ULONG pb_BPS;
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ULONG pb_MTU;
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};
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#ifdef __SASC
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/*
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** redirect all shared library bases to our device base.
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*/
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# define SysBase pb->pb_SysBase
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# define DOSBase pb->pb_DOSBase
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# define UtilityBase pb->pb_UtilityBase
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# define VampireBase pb->pb_VampireBase
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# define ExpansionBase pb->pb_ExpansionBase
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/*
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** This macro declares a local variable which temporary gets
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** SysBase directly from AbsExecBase.
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*/
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# define LOCALSYSBASE struct { void *pb_SysBase; } *pb = (void*)0x4
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/*
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** Use this macro as argument for all functions which need to
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** have access to your data base.
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*/
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# define BASEPTR struct PLIPBase *pb
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#else
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# error Please define library bases for your compiler
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#endif
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/*
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** Values for PLIPBase->pb_Flags
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** Note that the Flags field is intentionally only 8 bits wide so that
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** the ASM parts may use the bit functions.
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*/
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#define PLIPB_REPLYSS 0 /* server-startup must be replied */
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#define PLIPB_EXCLUSIVE 1 /* current opener is exclusive */
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#define PLIPB_OFFLINE 2 /* currently not online (sic!) */
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#define PLIPB_SERVERSTOPPED 3 /* set by server while passing away */
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#define PLIPF_REPLYSS (1<<PLIPB_REPLYSS)
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#define PLIPF_EXCLUSIVE (1<<PLIPB_EXCLUSIVE)
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#define PLIPF_OFFLINE (1<<PLIPB_OFFLINE)
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#define PLIPF_SERVERSTOPPED (1<<PLIPB_SERVERSTOPPED)
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/*
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** Values for PLIPBase->pb_ExtFlags
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*/
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#define PLIPEB_NOSPECIALSTATS 0 /* don't report special stats */
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#define PLIPEF_NOSPECIALSTATS (1<<PLIPEB_NOSPECIALSTATS)
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#endif
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