X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/015cd976c6ff9a00fded2edbc617daf85b7b3ca1..1458b27545d4e447e751a3baa653bb9641027a24:/aseg/counter.c?ds=sidebyside

diff --git a/aseg/counter.c b/aseg/counter.c
index edad021..61f9b6f 100644
--- a/aseg/counter.c
+++ b/aseg/counter.c
@@ -1,11 +1,61 @@
+#include <io.h>
+
 char counter = 0;
+unsigned long pcisave;
+unsigned char vgasave;
+unsigned char thestr[512];
 
-#define outb(port, val) \
-({ asm volatile("outb %0, %%dx" : : "a" ((unsigned char)(val)) , "d" ((unsigned short)(port))); })
+void memcpy(char *dst, char *src, int c)
+{
+	while (c--)
+		*(dst++) = *(src++);
+}
+
+void strcpy(char *dst, char *src)
+{
+	while (*src)
+		*(dst++) = *(src++);
+}
+
+unsigned char vgaread(unsigned char idx)
+{
+	outb(0x3D4, idx);
+	inb(0x3D5);
+}
+
+void strblit(char *src)
+{
+	char *destp = (char*)(0xB8000 | (vgaread(0xC) << 5) | (vgaread(0xD) << 1));
+	while (*src)
+	{
+		*(destp++) = *(src++);
+		*(destp++) = 0x1F;
+	}
+}
 
 void __start (void)
 {
+	unsigned char smramc;
+	
+	pcisave = inl(0xCF8);
+	vgasave = inb(0x3D4);
+
 	counter++;
-	outb (0x80, counter);
+	outb(0x80, counter);
+	
+	strcpy(thestr, "15-412!");
+	
+	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);
+	
+	outl(0xCF8, pcisave);
+	outb(0x3D4, vgasave);
+	
+	outb(0x834, 0x40);	// ack the periodic IRQ
+	outb(0x830, (inb(0x830) | 0x2) & ~0x40);
+	outb(0x830, inb(0x830) | 0x40);
+	
 }