X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/36ce375d87e8dd0fdee14de4fbc35c1aef56d7e9..d5cffad757d05610d796476603aaff266e6c8f50:/aseg/counter.c

diff --git a/aseg/counter.c b/aseg/counter.c
index ccfff72..6ef4cf9 100644
--- a/aseg/counter.c
+++ b/aseg/counter.c
@@ -2,102 +2,33 @@
 #include <smram.h>
 #include <video_defines.h>
 #include <minilib.h>
+#include <smi.h>
+#include "vga-overlay.h"
+#include "packet.h"
 
 unsigned int counter = 0;
 unsigned long pcisave;
 unsigned char vgasave;
-char thestr[512];
-char logents[4][41] = {{0}};
-
-#define VRAM_BASE		0xA0000UL
-#define TEXT_CONSOLE_OFFSET	0x18000UL 
-
-#define TEXT_CONSOLE_BASE	(VRAM_BASE + TEXT_CONSOLE_OFFSET)
-
-#define COLOR			0x1F
-
-unsigned char vga_read(unsigned char idx)
-{
-	outb(CRTC_IDX_REG, idx);
-	return inb(CRTC_DATA_REG);
-}
-
-char * vga_base()
-{
-	return (char *) (
-		TEXT_CONSOLE_BASE
-		| (((unsigned int) vga_read(CRTC_START_ADDR_LSB_IDX)) << 9)
-		| (((unsigned int) vga_read(CRTC_START_ADDR_MSB_IDX)) << 1)
-	);
-}
-
-void strblit(char *src, int row, int col)
-{
-	char *destp = vga_base() + row * 80 * 2 + col * 2;
-	smram_state_t old_state = smram_save_state();
-
-	smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
-	
-	while (*src)
-	{
-		*(destp++) = *(src++);
-		*(destp++) = COLOR;
-	}
-
-	smram_restore_state(old_state);
-}
-
-void outlog()
-{
-	int y, x;
-	char *basep = vga_base();
-
-	smram_state_t old_state = smram_save_state();
-
-	smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
-
-	for (y = 0; y < 4; y++)
-		for (x = 40; x < 80; x++)
-		{
-			basep[y*80*2+x*2] = ' ';
-			basep[y*80*2+x*2+1] = 0x1F;
-		}
-
-	smram_restore_state(old_state);
-
-	for (y = 0; y < 4; y++)
-		strblit(logents[y], y, 40);
-}
-
-void dolog(char *s)
-{
-	memmove(logents[0], logents[1], sizeof(logents[0])*3);
-	strcpy(logents[3], s);
-}
 
 void pci_dump() {
-	char s[40];
 	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;
-		strcpy(s, "READxxxxxxxxxxxxxxxx");
-		tohex(s+4, cts);
 		b = inb(cts & 0xFFFF);
-		tohex(s+12, b);
+		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);
-		dolog(s);
 		*(unsigned char*)0xAFFD0 /* EAX */ = b;
 		break;
 	}
@@ -105,78 +36,80 @@ void pci_dump() {
 	{
 		unsigned char b;
 		
-		strcpy(s, "WRITxxxxxxxxxxxxxxxx");
 		b = *(unsigned char*)0xAFFD0 /* EAX */;
-		tohex(s+4, cts);
-		tohex(s+12, b);
-		dolog(s);
+		dologf("WRITE: %08x (%02x)", cts, b);
 		outb(cts & 0xFFFF, b);
 		break;
 	}
 	default:
 		dolog("Unhandled PCI cycle");
 	}
+	
+	outl(0x848, 0x1000);
+	outl(0x840, 0x0100);
 }
 
-void __start (void)
+void timer_handler(smi_event_t ev)
 {
-	static int first = 1;
+	static unsigned int ticks = 0;
 	
-	pcisave = inl(0xCF8);
-	vgasave = inb(0x3D4);
+	smi_disable_event(SMI_EVENT_FAST_TIMER);
+	smi_enable_event(SMI_EVENT_FAST_TIMER);
+	
+	outb(0x80, (ticks++) & 0xFF);
+	
+	outlog();
+}
+
+void kbc_handler(smi_event_t ev)
+{
+	pci_dump();
+}
+
+void gbl_rls_handler(smi_event_t ev)
+{
+	unsigned long ecx;
 	
-	if (first)
+	ecx = *(unsigned long*)0xAFFD4;
+
+	packet_t * packet = check_packet(ecx);
+	if (!packet)
 	{
-		first = 0;
-		dolog("NetWatch running...");
+		dologf("WARN: bad packet at %08x", ecx);
+		return;
 	}
 
-	counter++;
-	outb(0x80, (counter & 0xFF));
+	dologf("Got packet: type %08x", packet->type);
+
+	if (packet->type == 42) {
+		dump_log((char *)packet->data);
+		*(unsigned long*)0xAFFD4 = 42;
+	} else {
+		*(unsigned long*)0xAFFD4 = 0x2BADD00D;
+	}
+}
+
+void smi_entry(void)
+{
+	char statstr[512];
+	
+	pcisave = inl(0xCF8);
+	vgasave = inb(0x3D4);
 	
-	strcpy(thestr, "15-412! xxxxxxxx xxxxxxxx");
-	tohex(thestr + 8, inl(0x0834));
-	tohex(thestr + 17, counter);
-	strblit(thestr, 0, 0);
+	counter++;
+	sprintf(statstr, "15-412! %08x %08x", smi_status(), counter);
+	strblit(statstr, 0, 0);
 	
-	if (inl(0x834) & 0x20)
-		dolog("Warning: unhandled APM access");
-	if (inl(0x834) & 0x1000)
-	{
-		if (inl(0x844) & 0x1000)	/* devact_sts */
-		{
-			pci_dump();
-			outl(0x848, 0x1000);
-			outl(0x844, 0x1000);
-		}
-	}
-	if (inl(0x834) & 0x4000)
-		dolog("Long periodic timer");
 	if (inl(0x840) & 0x1000)
 	{
-		dolog("Caught device monitor trap");
 		pci_dump();
 		outl(0x840, 0x1100);
 		outl(0x840, 0x0100);
 	}
-	if (inl(0x834) & ~(0x4160))
-	{
-		char s[40];
-		strcpy(s, "Unknown: xxxxxxxx");
-		tohex(s + 9, inl(0x834) & ~(0x140));
-		dolog(s);
-	}
 
-
-	outlog();
+	smi_poll();
 	
 	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);
-	
 }