X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/d71d98729a8da95c6ac901db1e8b23eaab48a34d..e8351f1a2c735e32d6fb81f180f25d751caf6fe7:/aseg/firstrun.c

diff --git a/aseg/firstrun.c b/aseg/firstrun.c
index a606d2b..75bcccc 100644
--- a/aseg/firstrun.c
+++ b/aseg/firstrun.c
@@ -1,10 +1,60 @@
 #include <io.h>
 #include <smi.h>
 #include <pci.h>
+#include <reg-82801b.h>
+#include <output.h>
 #include "vga-overlay.h"
+#include <smram.h>
+
+extern int _bss, _bssend;
+
+extern void timer_handler(smi_event_t ev);
+extern void kbc_handler(smi_event_t ev);
+extern void gbl_rls_handler(smi_event_t ev);
+
+static int found = 0, _bus, _dev, _fn;
+
+void do_bother()
+{
+	int bar;
+
+	if (!found)
+		return;
+		
+	pci_write16(_bus, _dev, _fn, 0x04, 0x00);
+	for (bar = 0; bar < 6; bar++)
+		pci_write32(_bus, _dev, _fn, 0x10 + bar*4, 0x1FFFFFFF);
+}
+
+int bother_3c905(pci_dev_t *dev)
+{
+	if (dev->vid == 0x10B7 || dev->did == 0x9200)
+	{
+		outputf("Found a 3c905 to bother");
+		
+		_bus = dev->bus;
+		_dev = dev->dev;
+		_fn = dev->fn;
+		found = 1;
+		
+		do_bother();
+		
+		return 1;
+	}
+	return 0;
+}
 
 void __firstrun_start() {
-	dologf("NetWatch running");
+	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;
+	
+	outputf("NetWatch running");
 
 	/* Try really hard to shut up USB_LEGKEY. */
 	pci_write16(0, 31, 2, 0xC0, pci_read16(0, 31, 2, 0xC0));
@@ -13,7 +63,21 @@ void __firstrun_start() {
 	pci_write16(0, 31, 4, 0xC0, 0);
 
 	/* Turn on the SMIs we want */
-	outb(0x830, inb(0x830) | 0x40);
+	smi_disable();
+	
+	pci_probe(bother_3c905);
+	
+	smi_register_handler(SMI_EVENT_FAST_TIMER, timer_handler);
+	smi_enable_event(SMI_EVENT_FAST_TIMER);
+	
+	smi_register_handler(SMI_EVENT_DEVTRAP_KBC, kbc_handler);
+	smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
+	
+	smi_register_handler(SMI_EVENT_GBL_RLS, gbl_rls_handler);
+	smi_enable_event(SMI_EVENT_GBL_RLS);
+
 	smi_enable();
+	
+	smram_restore_state(smram);
 }