From 4122ee13ba211a913b04906c39e72e512cb15c08 Mon Sep 17 00:00:00 2001
From: Joshua Wise <joshua@rebirth.joshuawise.com>
Date: Sat, 13 Sep 2008 01:23:13 -0400
Subject: [PATCH] Reboot the machine when you hit escape. Wait, what?

---
 aseg/counter.c    | 49 +++++++++++++++++++++++++++++++++++++++++++++++
 grubload/Makefile |  2 +-
 ich2/Makefile     |  3 +++
 tools/Makefile    |  3 +++
 4 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/aseg/counter.c b/aseg/counter.c
index 2c82f08..b6bdcf4 100644
--- a/aseg/counter.c
+++ b/aseg/counter.c
@@ -78,6 +78,54 @@ void __start (void)
 	
 	if (inl(0x834) & 0x20)
 		dolog("Warning: unhandled APM access");
+	if (inl(0x834) & 0x1000)
+	{
+		if (inl(0x844) & 0x1000)	/* devact_sts */
+		{
+			unsigned char s[40];
+			unsigned long cts;
+			static int curdev = 0;	/* 0 if kbd, 1 if mouse */
+			
+			cts = inl(0x84C);
+			
+			outl(0x848, 0x0);
+			
+			switch(cts&0xF0000)
+			{
+			case 0x20000:
+			{
+				unsigned char b;
+				strcpy(s, "READxxxxxxxxxxxxxxxx");
+				tohex(s+4, cts);
+				b = inb(cts & 0xFFFF);
+				tohex(s+12, b);
+				if ((cts & 0xFFFF) == 0x64)
+					curdev = (b & 0x20) ? 1 : 0;
+				if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01))
+					outb(0xCF9, 0x4);
+				dolog(s);
+				*(unsigned char*)0xAFFD0 /* EAX */ = b;
+				break;
+			}
+			case 0x30000:
+			{
+				unsigned char b;
+				
+				strcpy(s, "WRITxxxxxxxxxxxxxxxx");
+				b = *(unsigned char*)0xAFFD0 /* EAX */;
+				tohex(s+4, cts);
+				tohex(s+12, b);
+				dolog(s);
+				outb(cts & 0xFFFF, b);
+				break;
+			}
+			default:
+				dolog("Unhandled PCI cycle");
+			}
+			outl(0x848, 0x1000);
+			outl(0x844, 0x1000);
+		}
+	}
 	if (inl(0x834) & 0x4000)
 		dolog("Long periodic timer");
 	if (inl(0x834) & ~(0x4160))
@@ -93,6 +141,7 @@ void __start (void)
 	outl(0xCF8, pcisave);
 	outb(0x3D4, vgasave);
 	
+	outl(0x848, 0x1000);
 	outl(0x834, /*0x40*/0xFFFF);	// ack the periodic IRQ
 	outb(0x830, (inb(0x830) | 0x2) & ~0x40);
 	outb(0x830, inb(0x830) | 0x40);
diff --git a/grubload/Makefile b/grubload/Makefile
index f4f50e1..1a0fb2a 100644
--- a/grubload/Makefile
+++ b/grubload/Makefile
@@ -14,4 +14,4 @@ realmode.o: realmode.bin
 	objcopy -I binary -B i386 -O elf32-i386 realmode.bin realmode.o
 
 clean:
-	rm -f $(OBJS)
+	rm -f $(OBJS) realmode.bin multiboot
diff --git a/ich2/Makefile b/ich2/Makefile
index e41432b..2d908d9 100644
--- a/ich2/Makefile
+++ b/ich2/Makefile
@@ -1,2 +1,5 @@
 smram-ich2: smm-open-ich2.c
 	gcc -o smram-ich2 smm-open-ich2.c ../pci/pci-linux.c
+
+clean:
+	rm -f smram-ich2
diff --git a/tools/Makefile b/tools/Makefile
index df15340..1cd4d81 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -4,3 +4,6 @@ SMRAM_ICH2_OBJS=smram-linux-tool.o ../pci/pci-linux.o ../ich2/smram-ich2.o
 
 smram-ich2: $(SMRAM_ICH2_OBJS)
 	gcc -o smram-ich2 $(SMRAM_ICH2_OBJS)
+
+clean:
+	rm -f $(SMRAM_ICH2_OBJS) smram-ich2
-- 
2.43.0