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pc, pc64: remove PCICONS debug buffer from pci.c

--- a/sys/src/9/pc/pci.c

+++ b/sys/src/9/pc/pci.c

@@ -10,30 +10,8 @@

 #include "io.h"

 #include "../port/error.h"

-#define DBG	if(0) pcilog

+#define DBG	if(0) print

-struct

-{

-	char	output[16384];

-	int	ptr;

-}PCICONS;

-

-int

-pcilog(char *fmt, ...)

-{

-	int n;

-	va_list arg;

-	char buf[PRINTSIZE];

-

-	va_start(arg, fmt);

-	n = vseprint(buf, buf+sizeof(buf), fmt, arg) - buf;

-	va_end(arg);

-

-	memmove(PCICONS.output+PCICONS.ptr, buf, n);

-	PCICONS.ptr += n;

-	return n;

-}

-

 enum

 {					/* configuration mechanism #1 */

 	PciADDR		= 0xCF8,	/* CONFIG_ADDRESS */

@@ -211,7 +189,7 @@

 	for(p = root; p != nil; p = p->link) {

 		if(p->ccrb == 0x06) {

 			if(p->ccru != 0x04 || p->bridge == nil) {

-//				DBG("pci: ignored bridge %T\n", p->tbdf);

+				DBG("pci: ignored bridge %T\n", p->tbdf);

 				continue;

 			}

@@ -1068,7 +1046,7 @@

 		ioa = 0x1000;

 		mema = 0x90000000;

-		pcilog("Mask sizes: mem=%lux io=%lux\n", mema, ioa);

+		DBG("Mask sizes: mem=%lux io=%lux\n", mema, ioa);

 		pcibusmap(pciroot, &mema, &ioa, 1);

 		DBG("Sizes2: mem=%lux io=%lux\n", mema, ioa);

@@ -1335,7 +1313,6 @@

 	Pcidev *t;

 	if(p == nil) {

-		putstrn(PCICONS.output, PCICONS.ptr);

 		p = pciroot;

 		print("bus dev type vid  did intl memory\n");

 	}