1991/0910/pc/io.h (diff list | history)

1991/0703/sys/src/9/pc/io.h:1,20 – 1991/0704/sys/src/9/pc/io.h:1,50 (short | long)
1991/0703		/* * interrupt levels
1991/0704		* 8259 interrupt controllers
1991/0703		*/ enum { Clockvec= 8, Kbdvec= 9, Floppyvec= 14,
1991/0704		enum { Int0ctl= 0x20, /* control port */ Int0aux= 0x21, /* everything else port */ Int1ctl= 0xA0, /* control port */ Int1aux= 0xA1, /* everything else port */ Intena= 0x20, /* written to Intctlport, enables next int */ Int0vec= 17, /* first interrupt vector used by the 8259 */ Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0703		};
1991/0704		#define INT0ENABLE outb(Int0ctl, Intena) #define INT1ENABLE outb(Int1ctl, Intena)
1991/0703		/* * damned 8259, assume DOS sets it up for us
1991/0704		* 8253 timer
1991/0703		*/ enum { Intctlport= 0x20, /* 8259 control port */ Intctlmask= 0x21, /* interrupt mask */
1991/0704		enum { Timerctl= 0x43, /* control port */ Timercnt= 0x40, /* timer count port (outb count-1) */ Timericnt= 0x41, /* timer count input port */
1991/0703		Intenable= 0x20, /* written to Intctlport, enables next int */
1991/0704		Timerlatch= 0x40, /* latch count into Timericnt */
1991/0703		}; #define INTENABLE outb(Intctlport, Intenable)
1991/0704		/* * 8237 dma controllers */ enum { /* * the byte registers for DMA0 are all one byte apart */ Dma0= 0x00, Dma0status= Dma0+0x8, /* status port */ Dma0reset= Dma0+0xD, /* reset port */ /* * the byte registers for DMA1 are all two bytes apart (why?) */ Dma1= 0xC0, Dma1status= Dma1+2*0x8, /* status port */ Dma0reset= Dma1+2*0xD, /* reset port */ };
1991/0704/sys/src/9/pc/io.h:18,35 – 1991/0705/sys/src/9/pc/io.h:18,23 (short | long)
1991/0704		#define INT1ENABLE outb(Int1ctl, Intena)
1991/0703		/*
1991/0704		* 8253 timer
1991/0703		*/
1991/0704		enum { Timerctl= 0x43, /* control port */ Timercnt= 0x40, /* timer count port (outb count-1) */ Timericnt= 0x41, /* timer count input port */
1991/0703
1991/0704		Timerlatch= 0x40, /* latch count into Timericnt */
1991/0703		};
1991/0704		/* * 8237 dma controllers */ enum
1991/0704/sys/src/9/pc/io.h:46,50 – 1991/0705/sys/src/9/pc/io.h:34,38
1991/0704		*/ Dma1= 0xC0, Dma1status= Dma1+2*0x8, /* status port */ Dma0reset= Dma1+2*0xD, /* reset port */
1991/0705		Dma1reset= Dma1+2*0xD, /* reset port */
1991/0704		};
1991/0705/sys/src/9/pc/io.h:10,16 – 1991/0706/sys/src/9/pc/io.h:10,16 (short | long)
1991/0704		Intena= 0x20, /* written to Intctlport, enables next int */ Int0vec= 17, /* first interrupt vector used by the 8259 */
1991/0706		Int0vec= 16, /* first interrupt vector used by the 8259 */
1991/0704		Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0703		};
1991/0706/sys/src/9/pc/io.h:1,21 – 1991/0709/sys/src/9/pc/io.h:1,12 (short | long)
1991/0703		/*
1991/0704		* 8259 interrupt controllers
1991/0709		* programmable interrupt vectors (for the 8259)
1991/0703		*/
1991/0704		enum { Int0ctl= 0x20, /* control port */ Int0aux= 0x21, /* everything else port */ Int1ctl= 0xA0, /* control port */ Int1aux= 0xA1, /* everything else port */                  Intena= 0x20, /* written to Intctlport, enables next int */
1991/0706		Int0vec= 16, /* first interrupt vector used by the 8259 */
1991/0704		Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0703		};
1991/0704		#define INT0ENABLE outb(Int0ctl, Intena) #define INT1ENABLE outb(Int1ctl, Intena)
1991/0703		/*
1991/0704		* 8237 dma controllers
1991/0709/sys/src/9/pc/io.h:3,8 – 1991/0710/sys/src/9/pc/io.h:3,9 (short | long)
1991/0703		*/
1991/0704		enum {
1991/0710		Faultvec= 14, /* page fault */
1991/0706		Int0vec= 16, /* first interrupt vector used by the 8259 */
1991/0704		Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0710/sys/src/9/pc/io.h:7,12 – 1991/0730/sys/src/9/pc/io.h:7,13 (short | long)
1991/0706		Int0vec= 16, /* first interrupt vector used by the 8259 */
1991/0704		Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0730		Mousevec= Int0vec+12, /* mouse interrupt */
1991/0703		}; /*
1991/0730/sys/src/9/pc/io.h:1,31 – 1991/0731/sys/src/9/pc/io.h:1,16 (short | long)
1991/0703		/*
1991/0709		* programmable interrupt vectors (for the 8259)
1991/0731		* programmable interrupt vectors (for the 8259's)
1991/0703		*/
1991/0704		enum {
1991/0710		Faultvec= 14, /* page fault */
1991/0706		Int0vec= 16, /* first interrupt vector used by the 8259 */
1991/0704		Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0730		Mousevec= Int0vec+12, /* mouse interrupt */
1991/0703		};                  /*
1991/0704		* 8237 dma controllers */ enum { /* * the byte registers for DMA0 are all one byte apart */ Dma0= 0x00, Dma0status= Dma0+0x8, /* status port */ Dma0reset= Dma0+0xD, /* reset port */                  /* * the byte registers for DMA1 are all two bytes apart (why?) */ Dma1= 0xC0, Dma1status= Dma1+2*0x8, /* status port */
1991/0705		Dma1reset= Dma1+2*0xD, /* reset port */
1991/0731		Int0vec= 16, /* first 8259 */ Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */ ComBvec= Int0vec+3, /* inerrupt from uart b */ ComAvec= Int0vec+4, /* inerrupt from uart a */ Floppyvec= Int0vec+6, /* floppy interrupts */ Int1vec= Int0vec+8, /* second 8259 */ Mousevec= Int1vec+4, /* mouse interrupt */ Hardvec= Int1vec+6, /* hard disk */
1991/0704		};
1991/0731/sys/src/9/pc/io.h:7,14 – 1991/0801/sys/src/9/pc/io.h:7,14 (short | long)
1991/0731		Int0vec= 16, /* first 8259 */ Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */ ComBvec= Int0vec+3, /* inerrupt from uart b */ ComAvec= Int0vec+4, /* inerrupt from uart a */
1991/0801		Uart0vec= Int0vec+3, /* inerrupt from uart b */ Uart1vec= Int0vec+4, /* inerrupt from uart a */
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */ Int1vec= Int0vec+8, /* second 8259 */ Mousevec= Int1vec+4, /* mouse interrupt */
1991/0801/sys/src/9/pc/io.h:7,14 – 1991/0806/sys/src/9/pc/io.h:7,14 (short | long)
1991/0731		Int0vec= 16, /* first 8259 */ Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0801		Uart0vec= Int0vec+3, /* inerrupt from uart b */ Uart1vec= Int0vec+4, /* inerrupt from uart a */
1991/0806		Uart0vec= Int0vec+3, /* serial line */ Uart1vec= Int0vec+4, /* modem line */
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */ Int1vec= Int0vec+8, /* second 8259 */ Mousevec= Int1vec+4, /* mouse interrupt */
1991/0806/sys/src/9/pc/io.h:7,14 – 1991/0810/sys/src/9/pc/io.h:7,14 (short | long)
1991/0731		Int0vec= 16, /* first 8259 */ Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0806		Uart0vec= Int0vec+3, /* serial line */ Uart1vec= Int0vec+4, /* modem line */
1991/0810		Uart0vec= Int0vec+4, /* serial line */ Uart1vec= Int0vec+3, /* modem line */
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */ Int1vec= Int0vec+8, /* second 8259 */ Mousevec= Int1vec+4, /* mouse interrupt */
1991/0810/sys/src/9/pc/io.h:7,14 – 1991/0811/sys/src/9/pc/io.h:7,14 (short | long)
1991/0731		Int0vec= 16, /* first 8259 */ Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0810		Uart0vec= Int0vec+4, /* serial line */ Uart1vec= Int0vec+3, /* modem line */
1991/0811		Uart0vec= Int0vec+4, /* serial line */
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */ Int1vec= Int0vec+8, /* second 8259 */ Mousevec= Int1vec+4, /* mouse interrupt */
1991/0811/sys/src/9/pc/io.h:4,10 – 1991/0904/sys/src/9/pc/io.h:4,10 (short | long)
1991/0704		enum {
1991/0710		Faultvec= 14, /* page fault */
1991/0731		Int0vec= 16, /* first 8259 */
1991/0904		Int0vec= 24, /* first 8259 */
1991/0731		Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0810		Uart1vec= Int0vec+3, /* modem line */
1991/0904/sys/src/9/pc/io.h:3,9 – 1991/0905/sys/src/9/pc/io.h:3,11 (short | long)
1991/0703		*/
1991/0704		enum {
1991/0905		Coprocvec= 7, /* math coprocessor interrupt */
1991/0710		Faultvec= 14, /* page fault */
1991/0905
1991/0904		Int0vec= 24, /* first 8259 */
1991/0731		Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0905/sys/src/9/pc/io.h:3,9 – 1991/0906/sys/src/9/pc/io.h:3,11 (short | long)
1991/0703		*/
1991/0704		enum {
1991/0905		Coprocvec= 7, /* math coprocessor interrupt */
1991/0906		Mathemuvec= 7, /* math coprocessor emulation interrupt */ Mathovervec= 9, /* math coprocessor overrun interrupt */ Matherrorvec= 9, /* math coprocessor error interrupt */
1991/0710		Faultvec= 14, /* page fault */
1991/0905
1991/0904		Int0vec= 24, /* first 8259 */
1991/0906/sys/src/9/pc/io.h:17,20 – 1991/0910/sys/src/9/pc/io.h:17,22 (short | long)
1991/0731		Int1vec= Int0vec+8, /* second 8259 */ Mousevec= Int1vec+4, /* mouse interrupt */ Hardvec= Int1vec+6, /* hard disk */
1991/0910		Syscallvec= 64,
1991/0704		};
1991/0910/sys/src/9/pc/io.h:5,11 – 1991/0912/sys/src/9/pc/io.h:5,11 (short | long)
1991/0704		{
1991/0906		Mathemuvec= 7, /* math coprocessor emulation interrupt */ Mathovervec= 9, /* math coprocessor overrun interrupt */ Matherrorvec= 9, /* math coprocessor error interrupt */
1991/0912		Matherr1vec= 16, /* math coprocessor error interrupt */
1991/0710		Faultvec= 14, /* page fault */
1991/0905
1991/0904		Int0vec= 24, /* first 8259 */
1991/0910/sys/src/9/pc/io.h:16,21 – 1991/0912/sys/src/9/pc/io.h:16,22
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */ Int1vec= Int0vec+8, /* second 8259 */ Mousevec= Int1vec+4, /* mouse interrupt */
1991/0912		Matherr2vec= Int1vec+5, /* math coprocessor */
1991/0731		Hardvec= Int1vec+6, /* hard disk */
1991/0910		Syscallvec= 64,
1991/0912/sys/src/9/pc/io.h:3,8 – 1991/1112/sys/src/9/pc/io.h:3,9 (short | long)
1991/0703		*/
1991/0704		enum {
1991/1112		Bptvec= 3, /* breakpoints */
1991/0906		Mathemuvec= 7, /* math coprocessor emulation interrupt */ Mathovervec= 9, /* math coprocessor overrun interrupt */
1991/0912		Matherr1vec= 16, /* math coprocessor error interrupt */
1991/1112/sys/src/9/pc/io.h:15,20 – 1991/1127/sys/src/9/pc/io.h:15,21 (short | long)
1991/0810		Uart1vec= Int0vec+3, /* modem line */
1991/0811		Uart0vec= Int0vec+4, /* serial line */
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */
1991/1127		Parallelvec= Int0vec+7, /* parallel port interrupts */
1991/0731		Int1vec= Int0vec+8, /* second 8259 */ Mousevec= Int1vec+4, /* mouse interrupt */
1991/0912		Matherr2vec= Int1vec+5, /* math coprocessor */
1991/1127/sys/src/9/pc/io.h:14,19 – 1992/0403/sys/src/9/pc/io.h:14,20 (short | long)
1991/0731		Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0810		Uart1vec= Int0vec+3, /* modem line */
1991/0811		Uart0vec= Int0vec+4, /* serial line */
1992/0403		Ethervec= Int0vec+5, /* ethernet interrupt */
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */
1991/1127		Parallelvec= Int0vec+7, /* parallel port interrupts */
1991/0731		Int1vec= Int0vec+8, /* second 8259 */
1992/0403/sys/src/9/pc/io.h:14,26 – 1992/0904/sys/src/9/pc/io.h:14,26 (short | long)
Change Ethervec. Clarify values of Mousevec, Matherr2vec, and Hardvec. rsc Fri Mar 4 12:44:25 2005
1991/0731		Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0810		Uart1vec= Int0vec+3, /* modem line */
1991/0811		Uart0vec= Int0vec+4, /* serial line */
1992/0403		Ethervec= Int0vec+5, /* ethernet interrupt */
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */
1991/1127		Parallelvec= Int0vec+7, /* parallel port interrupts */
1991/0731		Int1vec= Int0vec+8, /* second 8259 */ Mousevec= Int1vec+4, /* mouse interrupt */
1991/0912		Matherr2vec= Int1vec+5, /* math coprocessor */
1991/0731		Hardvec= Int1vec+6, /* hard disk */
1992/0904		Int1vec= Int0vec+8, Ethervec= Int0vec+10, /* ethernet interrupt */ Mousevec= Int0vec+12, /* mouse interrupt */ Matherr2vec= Int0vec+13, /* math coprocessor */ Hardvec= Int0vec+14, /* hard disk */
1991/0910		Syscallvec= 64,
1991/0704		};
1992/0904/sys/src/9/pc/io.h:24,26 – 1992/0922/sys/src/9/pc/io.h:24,120 (short | long)
Add generic ethernet structures. rsc Fri Mar 4 12:44:25 2005
1991/0910		Syscallvec= 64,
1991/0704		};
1992/0922		typedef struct EtherHw EtherHw; typedef struct EtherBuf EtherBuf; typedef struct EtherType EtherType; typedef struct EtherCtlr EtherCtlr; struct EtherHw { int (*reset)(EtherCtlr*); void (*init)(EtherCtlr*); void (*mode)(EtherCtlr*, int); void (*online)(EtherCtlr*, int); void (*receive)(EtherCtlr*); void (*transmit)(EtherCtlr*); void (*intr)(EtherCtlr*); void (*tweak)(EtherCtlr*); int addr; /* interface address */ uchar *ram; /* interface shared memory address */ int bt16; /* true if a 16 bit interface */ int irq; /* interrupt level */ int size; uchar tstart; uchar pstart; uchar pstop; }; struct EtherBuf { uchar owner; uchar busy; ushort len; uchar pkt[sizeof(Etherpkt)]; }; enum { Host = 0, /* buffer owned by host */ Interface = 1, /* buffer owned by interface */ NType = 9, /* types/interface */ }; /* * one per ethernet packet type */ struct EtherType { QLock; Netprot; /* stat info */ int type; /* ethernet type */ int prom; /* promiscuous mode */ Queue *q; int inuse; EtherCtlr *ctlr; }; /* * per ethernet */ struct EtherCtlr { QLock; EtherHw *hw; int present; ushort nrb; /* number of software receive buffers */ ushort ntb; /* number of software transmit buffers */ EtherBuf *rb; /* software receive buffers */ EtherBuf *tb; /* software transmit buffers */ uchar ea[6]; /* ethernet address */ uchar ba[6]; /* broadcast address */ Rendez rr; /* rendezvous for a receive buffer */ ushort rh; /* first receive buffer belonging to host */ ushort ri; /* first receive buffer belonging to interface */ Rendez tr; /* rendezvous for a transmit buffer */ QLock tlock; /* semaphore on th */ ushort th; /* first transmit buffer belonging to host */ ushort ti; /* first transmit buffer belonging to interface */ EtherType type[NType]; uchar prom; /* true if promiscuous mode */ uchar kproc; /* true if kproc started */ char name[NAMELEN]; /* name of kproc */ Network net; Queue lbq; /* software loopback packet queue */ int inpackets; int outpackets; int crcs; /* input crc errors */ int oerrs; /* output errors */ int frames; /* framing errors */ int overflows; /* packet overflows */ int buffs; /* buffering errors */ };
1992/0922/sys/src/9/pc/io.h:14,19 – 1992/0929/sys/src/9/pc/io.h:14,20 (short | long)
Add PCMCIAvec. rsc Fri Mar 4 12:44:25 2005
1991/0731		Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0810		Uart1vec= Int0vec+3, /* modem line */
1991/0811		Uart0vec= Int0vec+4, /* serial line */
1992/0929		PCMCIAvec= Int0vec+5, /* PCMCIA card change */
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */
1991/1127		Parallelvec= Int0vec+7, /* parallel port interrupts */
1992/0904		Int1vec= Int0vec+8,
1992/0929/sys/src/9/pc/io.h:25,121 – 1992/1222/sys/src/9/pc/io.h:25,27 (short | long)
Remove generic ethernet structures. rsc Fri Mar 4 12:44:25 2005
1991/0910		Syscallvec= 64,
1991/0704		};
1992/0922		typedef struct EtherHw EtherHw; typedef struct EtherBuf EtherBuf; typedef struct EtherType EtherType; typedef struct EtherCtlr EtherCtlr;                  struct EtherHw { int (*reset)(EtherCtlr*); void (*init)(EtherCtlr*); void (*mode)(EtherCtlr*, int); void (*online)(EtherCtlr*, int); void (*receive)(EtherCtlr*); void (*transmit)(EtherCtlr*); void (*intr)(EtherCtlr*); void (*tweak)(EtherCtlr*); int addr; /* interface address */ uchar *ram; /* interface shared memory address */ int bt16; /* true if a 16 bit interface */ int irq; /* interrupt level */ int size; uchar tstart; uchar pstart; uchar pstop; };                  struct EtherBuf { uchar owner; uchar busy; ushort len; uchar pkt[sizeof(Etherpkt)]; };                  enum { Host = 0, /* buffer owned by host */ Interface = 1, /* buffer owned by interface */                  NType = 9, /* types/interface */ };                  /* * one per ethernet packet type */ struct EtherType { QLock; Netprot; /* stat info */ int type; /* ethernet type */ int prom; /* promiscuous mode */ Queue *q; int inuse; EtherCtlr *ctlr; };                  /* * per ethernet */ struct EtherCtlr { QLock;                  EtherHw *hw; int present;                  ushort nrb; /* number of software receive buffers */ ushort ntb; /* number of software transmit buffers */ EtherBuf *rb; /* software receive buffers */ EtherBuf *tb; /* software transmit buffers */                  uchar ea[6]; /* ethernet address */ uchar ba[6]; /* broadcast address */                  Rendez rr; /* rendezvous for a receive buffer */ ushort rh; /* first receive buffer belonging to host */ ushort ri; /* first receive buffer belonging to interface */                  Rendez tr; /* rendezvous for a transmit buffer */ QLock tlock; /* semaphore on th */ ushort th; /* first transmit buffer belonging to host */ ushort ti; /* first transmit buffer belonging to interface */                  EtherType type[NType]; uchar prom; /* true if promiscuous mode */ uchar kproc; /* true if kproc started */ char name[NAMELEN]; /* name of kproc */ Network net;                  Queue lbq; /* software loopback packet queue */                  int inpackets; int outpackets; int crcs; /* input crc errors */ int oerrs; /* output errors */ int frames; /* framing errors */ int overflows; /* packet overflows */ int buffs; /* buffering errors */ };
1992/1222/sys/src/9/pc/io.h:18,27 – 1994/0908/sys/src/9/pc/io.h:18,34 (short | long)
Remove Ethervec, add names for unassigned vectors. Add MaxEISA. rsc Fri Mar 4 12:44:25 2005
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */
1991/1127		Parallelvec= Int0vec+7, /* parallel port interrupts */
1992/0904		Int1vec= Int0vec+8, Ethervec= Int0vec+10, /* ethernet interrupt */
1994/0908		Vector9= Int0vec+9, /* unassigned */ Vector10= Int0vec+10, /* unassigned, usually ethernet */ Vector11= Int0vec+11, /* unassigned, usually scsi */
1992/0904		Mousevec= Int0vec+12, /* mouse interrupt */ Matherr2vec= Int0vec+13, /* math coprocessor */ Hardvec= Int0vec+14, /* hard disk */
1994/0908		Vector15= Int0vec+15, /* unassigned */
1991/0910		Syscallvec= 64,
1994/0908		}; enum { MaxEISA = 16,
1991/0704		};
1994/0908/sys/src/9/pc/io.h:31,34 – 1995/0126/sys/src/9/pc/io.h:31,35 (short | long)
Add EISAconfig. rsc Fri Mar 4 12:44:25 2005
1994/0908		enum { MaxEISA = 16,
1995/0126		EISAconfig = 0xC80,
1991/0704		};
Too many diffs (26 > 25). Stopping.