From 15b55b4ed53d8445bd6f0dd31a0e8fb72e05fa99 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Sat, 1 Sep 2007 12:24:04 +0000
Subject: [PATCH] some io stats added

git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@232 be3aeb3a-fb24-0410-a615-afba39da0efa
---
 linux/Makefile      |  4 +--
 linux/gp2x.c        |  4 +++
 linux/log_io.c      | 81 +++++++++++++++++++++++++++++++++++++++++++++
 linux/log_io.h      |  3 ++
 linux/port_config.h |  4 +--
 5 files changed, 92 insertions(+), 4 deletions(-)
 create mode 100644 linux/log_io.c
 create mode 100644 linux/log_io.h

diff --git a/linux/Makefile b/linux/Makefile
index 3380ae9..880c27d 100644
--- a/linux/Makefile
+++ b/linux/Makefile
@@ -4,7 +4,7 @@ dprint = 1
 # profile = 1
 
 
-DEFINC = -I../.. -I. -D__GP2X__ -D_UNZIP_SUPPORT # -DBENCHMARK
+DEFINC = -I../.. -I. -D__GP2X__ -D_UNZIP_SUPPORT -DIO_STATS # -DBENCHMARK
 GCC = gcc
 STRIP = strip
 AS = gcc
@@ -25,7 +25,7 @@ LDFLAGS += `pkg-config --libs gthread-2.0`
 
 # frontend
 OBJS += ../gp2x/main.o ../gp2x/menu.o ../gp2x/emu.o ../gp2x/usbjoy.o blit.o \
-		gp2x.o 940ctl_ym2612.o
+		gp2x.o 940ctl_ym2612.o log_io.o
 
 # common
 OBJS += ../common/menu.o ../common/fonts.o ../common/readpng.o
diff --git a/linux/gp2x.c b/linux/gp2x.c
index 0a1c73b..f5da167 100644
--- a/linux/gp2x.c
+++ b/linux/gp2x.c
@@ -18,6 +18,8 @@
 #include "../gp2x/usbjoy.h"
 #include "../gp2x/version.h"
 
+#include "log_io.h"
+
 void *gp2x_screen;
 static int current_bpp = 8;
 static int current_pal[256];
@@ -65,6 +67,8 @@ static gint key_press_event (GtkWidget *widget, GdkEventKey *event)
 		case 0x29: current_keys |= GP2X_PUSH;  break; // f
 		case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
 		case 0x19: current_keys |= GP2X_VOL_UP;break; // w
+		case 0x2d: log_io_clear(); break; // k
+		case 0x2e: log_io_dump();  break; // l
 	}
 
 	return 0;
diff --git a/linux/log_io.c b/linux/log_io.c
new file mode 100644
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");
+}
+
diff --git a/linux/log_io.h b/linux/log_io.h
new file mode 100644
index 0000000..eda84cf
--- /dev/null
+++ b/linux/log_io.h
@@ -0,0 +1,3 @@
+void log_io_clear(void);
+void log_io_dump(void);
+
diff --git a/linux/port_config.h b/linux/port_config.h
index 765c0cd..ce3d41f 100644
--- a/linux/port_config.h
+++ b/linux/port_config.h
@@ -13,8 +13,8 @@
 // pico.c
 #define CAN_HANDLE_240_LINES	1
 
-#define dprintf(f,...) printf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__)
-//#define dprintf(x...)
+//#define dprintf(f,...) printf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__)
+#define dprintf(x...)
 
 #endif //PORT_CONFIG_H
 
-- 
2.39.2