X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/a46bffee03170f9f38004ce996dd7b22343fe6f8..99970893290223f2006c3a0c6f34ab9eaf5cb4c9:/aseg/counter.c

diff --git a/aseg/counter.c b/aseg/counter.c
index 61f9b6f..2c82f08 100644
--- a/aseg/counter.c
+++ b/aseg/counter.c
@@ -1,21 +1,10 @@
 #include <io.h>
 
-char counter = 0;
+unsigned int counter = 0;
 unsigned long pcisave;
 unsigned char vgasave;
 unsigned char thestr[512];
-
-void memcpy(char *dst, char *src, int c)
-{
-	while (c--)
-		*(dst++) = *(src++);
-}
-
-void strcpy(char *dst, char *src)
-{
-	while (*src)
-		*(dst++) = *(src++);
-}
+unsigned char logents[4][41] = {0};
 
 unsigned char vgaread(unsigned char idx)
 {
@@ -23,37 +12,88 @@ unsigned char vgaread(unsigned char idx)
 	inb(0x3D5);
 }
 
-void strblit(char *src)
+void strblit(char *src, int r, int c)
 {
-	char *destp = (char*)(0xB8000 | (vgaread(0xC) << 5) | (vgaread(0xD) << 1));
+	char *destp = (char*)(0xB8000UL | (((unsigned int)vgaread(0xC)) << 9) | (((unsigned int)vgaread(0xD)) << 1)) + r*80*2 + c*2;
+	unsigned char smramc;
+	
+	smramc = pci_read8(0, 0, 0, 0x70);
+	pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08);
 	while (*src)
 	{
 		*(destp++) = *(src++);
 		*(destp++) = 0x1F;
 	}
+	pci_write8(0, 0, 0, 0x70, smramc);
+}
+
+void outlog()
+{
+	int y, x;
+	unsigned char smramc;
+	unsigned char *basep = (char*)(0xB8000UL | (((unsigned int)vgaread(0xC)) << 9) | (((unsigned int)vgaread(0xD)) << 1));
+	
+	smramc = pci_read8(0, 0, 0, 0x70);
+	pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08);
+	for (y = 0; y < 4; y++)
+		for (x = 40; x < 80; x++)
+		{
+			basep[y*80*2+x*2] = ' ';
+			basep[y*80*2+x*2+1] = 0x1F;
+		}
+	pci_write8(0, 0, 0, 0x70, smramc);
+	
+	for (y = 0; y < 4; y++)
+		strblit(logents[y], y, 40);
+	
+}
+
+void dolog(char *s)
+{
+	memmove(logents[0], logents[1], sizeof(logents[0])*3);
+	strcpy(logents[3], s);
 }
 
 void __start (void)
 {
 	unsigned char smramc;
+	static int first = 1;
 	
 	pcisave = inl(0xCF8);
 	vgasave = inb(0x3D4);
+	
+	if (first)
+	{
+		first = 0;
+		dolog("NetWatch running...");
+	}
 
 	counter++;
-	outb(0x80, counter);
+	outb(0x80, (counter & 0xFF));
 	
-	strcpy(thestr, "15-412!");
+	strcpy(thestr, "15-412! xxxxxxxx xxxxxxxx");
+	tohex(thestr + 8, inl(0x0834));
+	tohex(thestr + 17, counter);
+	strblit(thestr, 0, 0);
 	
-	smramc = pci_read8(0, 0, 0, 0x70);
-	pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08);
-	strblit(thestr);
-	pci_write8(0, 0, 0, 0x70, smramc);
+	if (inl(0x834) & 0x20)
+		dolog("Warning: unhandled APM access");
+	if (inl(0x834) & 0x4000)
+		dolog("Long periodic timer");
+	if (inl(0x834) & ~(0x4160))
+	{
+		unsigned char s[40];
+		strcpy(s, "Unknown: xxxxxxxx");
+		tohex(s + 9, inl(0x834) & ~(0x140));
+		dolog(s);
+	}
+	
+	outlog();
 	
 	outl(0xCF8, pcisave);
 	outb(0x3D4, vgasave);
 	
-	outb(0x834, 0x40);	// ack the periodic IRQ
+	outl(0x834, /*0x40*/0xFFFF);	// ack the periodic IRQ
 	outb(0x830, (inb(0x830) | 0x2) & ~0x40);
 	outb(0x830, inb(0x830) | 0x40);