X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/9b8c947be2d07e7c5006a92127e58b6022718cbd..07d1dd26f38ed450a9333741337e8091b37b4fc2:/aseg/counter.c?ds=inline

diff --git a/aseg/counter.c b/aseg/counter.c
index 8f807aa..85b73eb 100644
--- a/aseg/counter.c
+++ b/aseg/counter.c
@@ -1,61 +1,94 @@
 #include <io.h>
+#include <smram.h>
+#include <video_defines.h>
+#include <minilib.h>
+#include <smi.h>
+#include "vga-overlay.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 vgaread(unsigned char idx)
-{
-	outb(0x3D4, idx);
-	inb(0x3D5);
+void pci_dump() {
+	unsigned long cts;
+	static int curdev = 0;	/* 0 if kbd, 1 if mouse */
+		
+	cts = inl(0x84C);
+	
+	outl(0x848, 0x0);
+	outl(0x840, 0x0);
+	switch(cts&0xF0000)
+	{
+	case 0x20000:
+	{
+		unsigned char b;
+		b = inb(cts & 0xFFFF);
+		dologf("READ: %08x (%02x)", cts, b);
+		if ((cts & 0xFFFF) == 0x64)
+			curdev = (b & 0x20) ? 1 : 0;
+		if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01))
+			outb(0xCF9, 0x4);
+		*(unsigned char*)0xAFFD0 /* EAX */ = b;
+		break;
+	}
+	case 0x30000:
+	{
+		unsigned char b;
+		
+		b = *(unsigned char*)0xAFFD0 /* EAX */;
+		dologf("WRITE: %08x (%02x)", cts, b);
+		outb(cts & 0xFFFF, b);
+		break;
+	}
+	default:
+		dolog("Unhandled PCI cycle");
+	}
+	
+	outl(0x848, 0x1000);
+	outl(0x840, 0x0100);
 }
 
-void strblit(char *src)
+void timer_handler(smi_event_t ev)
 {
-	char *destp = (char*)(0xB8000UL | (((unsigned int)vgaread(0xC)) << 9) | (((unsigned int)vgaread(0xD)) << 1));
-	while (*src)
-	{
-		*(destp++) = *(src++);
-		*(destp++) = 0x1F;
-	}
+	static unsigned int ticks = 0;
+	
+	smi_disable_event(SMI_EVENT_FAST_TIMER);
+	smi_enable_event(SMI_EVENT_FAST_TIMER);
+	
+	outb(0x80, (ticks++) & 0xFF);
+	
+	outlog();
 }
 
-void __start (void)
+void smi_entry(void)
 {
-	unsigned char smramc;
+	char statstr[512];
 	
 	pcisave = inl(0xCF8);
 	vgasave = inb(0x3D4);
-
-	counter++;
-	outb(0x80, counter);
 	
-	strcpy(thestr, "15-412!");
+	counter++;
+	sprintf(statstr, "15-412! %08x %08x", smi_status(), counter);
+	strblit(statstr, 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) & 0x1000)
+	{
+		if (inl(0x844) & 0x1000)	/* devact_sts */
+		{
+			pci_dump();
+			outl(0x844, 0x1000);	/* ack it */
+		}
+	}
+	if (inl(0x840) & 0x1000)
+	{
+		pci_dump();
+		outl(0x840, 0x1100);
+		outl(0x840, 0x0100);
+	}
+
+	smi_poll();
 	
 	outl(0xCF8, pcisave);
 	outb(0x3D4, vgasave);
-	
-	outb(0x834, 0x40);	// ack the periodic IRQ
-	outb(0x830, (inb(0x830) | 0x2) & ~0x40);
-	outb(0x830, inb(0x830) | 0x40);
-	
 }