Initial commit

channel/channelapp/source/debug.c

@@ -0,0 +1,88 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+#include <ogcsys.h>
+#include <ogc/machine/processor.h>
+
+#include "../config.h"
+
+#ifdef DEBUG_APP
+
+//#define DEBUG_MEMSTATS
+
+static int gprintf_enabled = 1;
+
+void gprintf_enable(int enable) {
+	gprintf_enabled = enable;
+}
+
+int gprintf(const char *format, ...)
+{
+	va_list ap;
+	u32 level;
+	int ret;
+
+	if (!gprintf_enabled)
+		return 0;
+
+	level = IRQ_Disable();
+	va_start(ap, format);
+	ret = vprintf(format, ap);
+	va_end(ap);
+	IRQ_Restore(level);
+
+	return ret;
+}
+
+/********* you know you love it **********/
+static char ascii(char s) {
+  if(s < 0x20) return '.';
+  if(s > 0x7E) return '.';
+  return s;
+}
+
+void hexdump(const void *d, int len) {
+  u8 *data;
+  int i, off;
+  data = (u8*)d;
+  for (off=0; off<len; off += 16) {
+    gprintf("%08x  ",off);
+    for(i=0; i<16; i++)
+      if((i+off)>=len) gprintf("   ");
+      else gprintf("%02x ",data[off+i]);
+
+    gprintf(" ");
+    for(i=0; i<16; i++)
+      if((i+off)>=len) gprintf(" ");
+      else gprintf("%c",ascii(data[off+i]));
+    gprintf("\n");
+  }
+}
+/********* you know you love it **********/
+
+#ifndef UINT_MAX
+#define UINT_MAX ((u32)((s32)-1))
+#endif
+void memstats(int reset) {
+#ifdef DEBUG_MEMSTATS
+	static u32 min_free = UINT_MAX;
+	static u32 temp_free;
+	static u32 level;
+
+	if (reset)
+		min_free = UINT_MAX;
+
+	_CPU_ISR_Disable(level);
+
+	temp_free = (u32) SYS_GetArena2Hi() - (u32) SYS_GetArena2Lo();
+
+	_CPU_ISR_Restore(level);
+
+	if (temp_free < min_free) {
+		min_free = temp_free;
+		gprintf("MEM2 free: %8u\n", min_free);
+	}
+#endif
+}
+
+#endif