X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/4fb81ad02399f6fe21e0b1b050aeb2f82f2b3fde..07d1dd26f38ed450a9333741337e8091b37b4fc2:/aseg/firstrun.c

diff --git a/aseg/firstrun.c b/aseg/firstrun.c
index c6eab7b..323f1ab 100644
--- a/aseg/firstrun.c
+++ b/aseg/firstrun.c
@@ -3,8 +3,22 @@
 #include <pci.h>
 #include <reg-82801b.h>
 #include "vga-overlay.h"
+#include <smram.h>
+
+extern int _bss, _bssend;
+
+extern void timer_handler(smi_event_t ev);
 
 void __firstrun_start() {
+	unsigned char *bp;
+	smram_state_t smram;
+	
+	smram = smram_save_state();
+	smram_tseg_set_state(SMRAM_TSEG_OPEN);
+	
+	for (bp = (void *)&_bss; (void *)bp < (void *)&_bssend; bp++)
+		*bp = 0;
+	
 	dologf("NetWatch running");
 
 	/* Try really hard to shut up USB_LEGKEY. */
@@ -14,8 +28,12 @@ void __firstrun_start() {
 	pci_write16(0, 31, 4, 0xC0, 0);
 
 	/* Turn on the SMIs we want */
-	outb(0x830, inb(0x830) | ICH2_SMI_EN_SWSMI_TMR_EN);
+	smi_disable();
+	smi_register_handler(SMI_EVENT_FAST_TIMER, timer_handler);
+	smi_enable_event(SMI_EVENT_FAST_TIMER);
 	outb(0x848, ICH2_DEVTRAP_EN_KBC_TRP_EN);
 	smi_enable();
+	
+	smram_restore_state(smram);
 }