some io stats added

[libpicofe.git] / linux / log_io.c

diff --git a/linux/log_io.c b/linux/log_io.c
new file mode 100644 (file)
index 0000000..9f3d489
--- /dev/null
+++ b/linux/log_io.c
@@ -0,0 +1,81 @@
+#include <stdio.h>
+
+typedef struct
+{
+       unsigned int addr_min, addr_max;
+       int r8, r16, r32, w8, w16, w32;
+} io_log_location;
+
+static io_log_location io_locations[] =
+{
+       { 0x400000, 0x9FFFFF, 0, }, // unused
+       { 0xa00000, 0xa03fff, 0, }, // z80 RAM
+       { 0xa04000, 0xa05fff, 0, }, // ym2612
+       { 0xa06000, 0xa060ff, 0, }, // bank reg
+       { 0xa06100, 0xa07eff, 0, }, // unused
+       { 0xa07f00, 0xa07fff, 0, }, // vdp
+       { 0xa08000, 0xa0ffff, 0, }, // 0xa00000-0xa07fff mirror
+       { 0xa10000, 0xa1001f, 0, }, // i/o
+       { 0xa10020, 0xa10fff, 0, }, // expansion
+       { 0xa11000, 0xa110ff, 0, }, // expansion
+       { 0xa11100, 0xa11101, 0, }, // z80 busreq
+       { 0xa11102, 0xa111ff, 0, }, // expansion
+       { 0xa11200, 0xa11201, 0, }, // z80 reset
+       { 0xa11202, 0xbfffff, 0, }, // expansion
+       { 0xc00000, 0xc00003, 0, }, // vdp data port
+       { 0xc00004, 0xc00007, 0, }, // vdp control
+       { 0xc00009, 0xc0000f, 0, }, // hv counter
+       { 0xc00010, 0xc00017, 0, }, // PSG
+       { 0xc00018, 0xc0001f, 0, }, // unused
+       { 0xc00020, 0xdfffff, 0, }  // vdp mirrors
+};
+
+
+void log_io(unsigned int a, int bits, int is_write)
+{
+       int i;
+       a &= 0x00ffffff;
+       if (bits > 8) a&=~1;
+
+       for (i = 0; i < sizeof(io_locations)/sizeof(io_locations[0]); i++)
+       {
+               if (a >= io_locations[i].addr_min && a <= io_locations[i].addr_max)
+               {
+                       switch (bits|(is_write<<8)) {
+                               case 0x008: io_locations[i].r8 ++; break;
+                               case 0x010: io_locations[i].r16++; break;
+                               case 0x020: io_locations[i].r32++; break;
+                               case 0x108: io_locations[i].w8 ++; break;
+                               case 0x110: io_locations[i].w16++; break;
+                               case 0x120: io_locations[i].w32++; break;
+                               default:    printf("%06x %i %i\n", a, bits, is_write); break;
+                       }
+               }
+       }
+}
+
+void log_io_clear(void)
+{
+       int i;
+       for (i = 0; i < sizeof(io_locations)/sizeof(io_locations[0]); i++)
+       {
+               io_log_location *iol = &io_locations[i];
+               iol->r8 = iol->r16 = iol->r32 = iol->w8 = iol->w16 = iol->w32 = 0;
+       }
+}
+
+void log_io_dump(void)
+{
+       int i;
+       printf("          range :       r8      r16      r32       w8      w16      w32\n");
+       for (i = 0; i < sizeof(io_locations)/sizeof(io_locations[0]); i++)
+       {
+               io_log_location *iol = &io_locations[i];
+               if (iol->r8 == 0 && iol->r16 == 0 && iol->r32 == 0 && iol->w8 == 0 && iol->w16 == 0 && iol->w32 == 0)
+                       continue;
+               printf("%06x - %06x : %8i %8i %8i %8i %8i %8i\n", iol->addr_min, iol->addr_max,
+                       iol->r8, iol->r16, iol->r32, iol->w8, iol->w16, iol->w32);
+       }
+       printf("\n");
+}
+