ref: 17f7f6be4e1a316c0f5f26ff70e047aece4de2bc
dir: /sys/src/9/mtx/io.h/
enum {
IrqCLOCK = 0,
IrqKBD = 1,
IrqUART1 = 3,
IrqUART0 = 4,
IrqPCMCIA = 5,
IrqFLOPPY = 6,
IrqLPT = 7,
IrqIRQ7 = 7,
IrqAUX = 12, /* PS/2 port */
IrqIRQ13 = 13, /* coprocessor on 386 */
IrqATA0 = 14,
IrqATA1 = 15,
MaxIrqPIC = 15,
VectorPIC = 32,
MaxVectorPIC = VectorPIC+MaxIrqPIC,
};
typedef struct Vctl {
Vctl* next; /* handlers on this vector */
char name[KNAMELEN]; /* of driver */
int isintr; /* interrupt or fault/trap */
int irq;
int tbdf;
int (*isr)(int); /* get isr bit for this irq */
int (*eoi)(int); /* eoi */
void (*f)(Ureg*, void*); /* handler to call */
void* a; /* argument to call it with */
} Vctl;
enum {
MaxEISA = 16,
EISAconfig = 0xC80,
};
#define PCIWINDOW 0x80000000
#define PCIWADDR(va) (PADDR(va)+PCIWINDOW)
#define BUSUNKNOWN (-1)