sim/mips/sky-vu0.c

   1 /*  Copyright (C) 1998, Cygnus Solutions
   2
   3     */
   4
   5 #include "sim-main.h"
   6
   7 #include "sky-device.h"
   8 #include "sky-vu0.h"
   9
  10 static char vu0_mem0_buffer[VU0_MEM0_SIZE];
  11 static char vu0_mem1_buffer[VU0_MEM1_SIZE];
  12
  13 void
  14 vu0_issue(void)
  15 {
  16 }
  17
  18 static int
  19 vu0_io_read_buffer(device *me,
  20                       void *dest,
  21                       int space,
  22                       address_word addr,
  23                       unsigned nr_bytes,
  24                       sim_cpu *processor,
  25                       sim_cia cia)
  26 {
  27         printf("%s: Read!\n", me->name);
  28         return nr_bytes;
  29 }
  30
  31 static int
  32 vu0_io_write_buffer(device *me,
  33                     const void *source,
  34                     int space,
  35                     address_word addr,
  36                     unsigned nr_bytes,
  37                     sim_cpu *processor,
  38                     sim_cia cia)
  39 {
  40         printf("%s: Write!\n", me->name);
  41         return nr_bytes;
  42 }
  43
  44 device vu0_device =
  45   {
  46     "vu0",
  47     &vu0_io_read_buffer,
  48     &vu0_io_write_buffer
  49   };
  50
  51 void
  52 vu0_attach(SIM_DESC sd)
  53 {
  54   sim_core_attach (sd,
  55                    NULL,
  56                    0 /*level*/,
  57                    access_read_write,
  58                    0 /*space ???*/,
  59                    VU0_REGISTER_WINDOW_START,
  60                    VU0_REGISTER_WINDOW_SIZE /*nr_bytes*/,
  61                    0 /*modulo*/,
  62                    &vu0_device,
  63                    NULL /*buffer*/);
  64
  65   sim_core_attach (sd,
  66                    NULL,
  67                    0 /*level*/,
  68                    access_read_write,
  69                    0 /*space ???*/,
  70                    VU0_MEM0_WINDOW_START,
  71                    VU0_MEM0_SIZE /*nr_bytes*/,
  72                    0 /*modulo*/,
  73                    0 /*device*/,
  74                    &vu0_mem0_buffer /*buffer*/);
  75
  76   sim_core_attach (sd,
  77                    NULL,
  78                    0 /*level*/,
  79                    access_read_write,
  80                    0 /*space ???*/,
  81                    VU0_MEM1_WINDOW_START,
  82                    VU0_MEM1_SIZE /*nr_bytes*/,
  83                    0 /*modulo*/,
  84                    0 /*device*/,
  85                    &vu0_mem1_buffer /*buffer*/);
  86 }