workloads/common/mmix-iospace.h

   1 #ifndef _MMIX_IOSPACE_H_
   2 #define _MMIX_IOSPACE_H_ 1
   3
   4 // XXX Don't belong here I know.
   5 typedef long            int64_t;
   6 typedef long unsigned  uint64_t;
   7 typedef int             int32_t;
   8 typedef int  unsigned  uint32_t;
   9 typedef short           int16_t;
  10 typedef short unsigned uint16_t;
  11 typedef char            int8_t;
  12 typedef char unsigned  uint8_t;
  13
  14 #define MMIX_IOSPACE ((volatile int *) 0x1000000000000ULL)
  15
  16 #define MMIX_IO_PS2_RAW                23
  17 #define MMIX_IO_KEYBOARD               25
  18 #define MMIX_IO_MOUSE                  27
  19
  20 #define MMIX_IO_RS232_OUT               1
  21 #define MMIX_IO_RS232_BUSY_IN           1
  22
  23 #define MMIX_IO_RS232_RDDATA_IN         3
  24
  25 #define MMIX_IO_S7_0_OUT                9
  26 #define MMIX_IO_S7_1_OUT               11
  27
  28 #define set_mmix_fbaddr0(x) MMIX_IOSPACE[21] = (int) (unsigned long) (x)
  29
  30
  31 void wait(unsigned long ms);
  32 void wait_us(long unsigned us);
  33
  34 static inline long unsigned now(void) {
  35         long unsigned rC;
  36
  37         asm volatile("GET %0,rC" : "=r" (rC));
  38
  39         return rC;
  40 }
  41
  42
  43 static inline long unsigned getEvents(void) {
  44         long unsigned rC;
  45
  46         asm volatile("GET %0,rQ" : "=r" (rC));
  47
  48         return rC;
  49 }
  50
  51 static inline long unsigned getIntrMask(void) {
  52         long unsigned rC;
  53
  54         asm volatile("GET %0,rK" : "=r" (rC));
  55
  56         return rC;
  57 }
  58
  59
  60 static inline void setIntrMask(long unsigned mask) {
  61         asm volatile("PUT rK,%0" :: "r" (mask));}
  62
  63 static inline void setInterruptVector(long unsigned addr) {
  64         asm volatile("PUT rTT,%0" :: "r" (addr)); }
  65
  66 static inline void setInterval(long unsigned v) {
  67         asm volatile("PUT rI,%0" :: "r" (v)); }
  68
  69
  70 #define get_switches() MMIX_IOSPACE[5]
  71 #define SW0 1
  72 #define SW1 2
  73 #define SW2 4
  74 #define SW3 8
  75
  76
  77 #define DAC_both MMIX_IOSPACE[17]
  78
  79 #define FREQUENCY 25000000
  80
  81 #endif