Improvementss to netboot

Initial but not yet functional PCI support.

Reviewed by:	phk
Submitted by:	Luigi Rizzo <luigi@labinfo.iet.unipi.it>

sys/i386/boot/netboot/Makefile

@@ -19,17 +19,26 @@
 # changing an option.
 #
 
+### options for PCI cards
+###
+PCI_VENDOR=0x10ec
+PCI_DEVICE=0x8029
+PCI_CLASS=0x02,0x00,0x00
+
 PROG=	nb8390.com nb3c509.com nb8390.rom nb3c509.rom
 # Order is very important on the SRCS line for this prog
 SRCS=	start2.S main.c misc.c bootmenu.c rpc.c
 
 BINDIR=		/usr/mdec
 BINMODE=	555
-CFLAGS=         -O2 -fno-strength-reduce \
-		-DNFS -DROMSIZE=${ROMSIZE} -DRELOC=${RELOCADDR} -DASK_BOOT
-NS8390=		-DINCLUDE_WD -DWD_DEFAULT_MEM=0xD0000
-NS8390+=	-DINCLUDE_NE -DNE_BASE=0x320
-NS8390+=	-DINCLUDE_3COM -D_3COM_BASE=0x300
+#CFLAGS=		-O2 -DNFS -DROMSIZE=${ROMSIZE} -DRELOC=${RELOCADDR} -DASK_BOOT
+CFLAGS=		-O2 -DNFS -DROMSIZE=${ROMSIZE} -DRELOC=${RELOCADDR} # -DASK_BOOT
+CFLAGS += -DPCI -DPCI_VENDOR=${PCI_VENDOR} -DPCI_DEVICE=${PCI_DEVICE}
+CFLAGS += -DPCI_CLASS=${PCI_CLASS} -DASK_BOOT
+#NS8390=		-DINCLUDE_WD -DWD_DEFAULT_MEM=0xD0000
+#NS8390=		-DINCLUDE_WD -DWD_DEFAULT_MEM=0xD0000
+NS8390=	-DINCLUDE_NE
+#NS8390+=	-DINCLUDE_3COM -D_3COM_BASE=0x300
 CLEANFILES+=	netboot.com
 CLEANFILES+=	makerom start2.ro 3c509.o ns8390.o
 LDFLAGS+=	-N -T ${RELOCADDR} -e _start -nostdlib

sys/i386/boot/netboot/bootmenu.c

@@ -302,7 +302,7 @@ execute(buf)
 		if ((!(*q)) && ((*p == ' ') || (*p == '\t') || (!(*p)))) {
 			if (!cmd->func) 
 				return(1);
-			while (*p == ' ')
+			while (*p == ' ' || *p == '\t')
 				p++;
 			(cmd->func)(p);
 			return(0);

sys/i386/boot/netboot/main.c

@@ -112,18 +112,22 @@ load()
 	printf("\n=>>"); getchar();
 #endif
 
-		/* Now use TFTP to load configuration file */
-	sprintf(cfg,"cfg.%I",arptable[ARP_CLIENT].ipaddr);
-	printf("Loading %s...\r\n",cfg);
-	if (!tftp(cfg)) {
-		sprintf(cfg,"/tftpboot/cfg.%I",arptable[ARP_CLIENT].ipaddr);
-		printf("Loading %s...\r\n",cfg);
-		if (!tftp(cfg)) {
-			printf("Unable to load config file.\r\n");
-			longjmp(jmp_bootmenu,1);
-		}
-	}
+	/* Now use TFTP to load configuration file */
+	sprintf(cfg,"/tftpboot/freebsd.%I",arptable[ARP_CLIENT].ipaddr);
+	if (tftp(cfg) || tftp(cfg+10))
+		goto cfg_done;
+	cfg[17]='\0';
+	if (tftp(cfg) || tftp(cfg+10))
+		goto cfg_done;
+	sprintf(cfg,"/tftpboot/cfg.%I",arptable[ARP_CLIENT].ipaddr);
+	if (tftp(cfg) || tftp(cfg+10))
+		goto cfg_done;
+	sprintf(config_buffer,"rootfs %I:/usr/diskless_root",
+		arptable[ARP_SERVER].ipaddr);
+	printf("Unable to load config file, guessing:\r\n\t%s\r\n",
+		config_buffer);
 
+cfg_done:
 #ifdef MDEBUG
 	printf("\n=>>"); getchar();
 #endif
@@ -406,6 +410,7 @@ tftp(name)
 	unsigned short len, block=1;
 	struct tftp_t tp;
 	int code;
+	printf("Loading %s...\r\n",name);
 	isocket++;
 	tp.opcode = htons(TFTP_RRQ);
 	len = (sprintf((char *)tp.u.rrq,"%s%c%s",name,0,"octet")

sys/i386/boot/netboot/misc.c

@@ -200,10 +200,13 @@ printf(fmt,data)
 	char *fmt;
 	int data;
 {
-	char buf[80],*p;
+	char buf[1024],*p;
 	p = buf;
 	do_printf(buf,fmt,&data);
-	while (*p) putchar(*p++);
+	while (*p) {
+		if (*p=='\n') putchar('\r');
+		putchar(*p++);
+	}
 }
 
 /**************************************************************************

sys/i386/boot/netboot/ns8390.c

@@ -46,6 +46,15 @@ char eth_driver[] = "ed0";
 char packet[ETH_MAX_PACKET];
 int  packetlen;
 
+#ifdef	INCLUDE_NE
+static unsigned short ne_base_list[]= {
+#ifdef	NE_BASE
+	NE_BASE,
+#endif
+	0xff80, 0xff40, 0xff00, 0xfec0,
+	0x280, 0x300, 0
+};
+#endif
 /**************************************************************************
 ETH_PROBE - Look for an adapter
 **************************************************************************/
@@ -133,8 +142,7 @@ eth_probe()
 					WD_LAAR_M16EN | WD_LAAR_L16EN | 1));
 			}
 		}
-		printf("\r\n");
-
+		goto found_board;
 	}
 #endif
 #ifdef INCLUDE_3COM
@@ -256,7 +264,7 @@ eth_probe()
                 outb(eth_asic_base + _3COM_PSTR, eth_tx_start);
                 outb(eth_asic_base + _3COM_PSPR, eth_memsize);
 
-                printf ("\r\n");
+		goto found_board;
 
         }
 #endif
@@ -267,9 +275,12 @@ eth_probe()
 	if (eth_vendor == VENDOR_NONE) {
 		char romdata[16], testbuf[32];
 		char test[] = "NE1000/2000 memory";
+		unsigned short *tent_base=ne_base_list;
 		eth_bmem = (char *)0;		/* No shared memory */
-		eth_asic_base = NE_BASE + NE_ASIC_OFFSET;
-		eth_nic_base = NE_BASE;
+ne_again:
+		eth_asic_base = *tent_base + NE_ASIC_OFFSET;
+		eth_nic_base = *tent_base;
+
 		eth_vendor = VENDOR_NOVELL;
 		eth_flags = FLAG_PIO;
 		eth_memsize = MEM_16384;
@@ -295,7 +306,11 @@ eth_probe()
 			outb(eth_nic_base + D8390_P0_PSTOP, MEM_32768);
 			eth_pio_write(test, 16384, sizeof(test));
 			eth_pio_read(16384, testbuf, sizeof(test));
-			if (!bcompare(testbuf, test, sizeof(test))) return (0);
+			if (!bcompare(testbuf, test, sizeof(test)))
+				if (*++tent_base)
+					goto ne_again;
+				else
+					return (0);
 		}
 		eth_pio_read(0, romdata, 16);
 		printf("\r\nNE1000/NE2000 base 0x%x, addr ", eth_nic_base);
@@ -304,9 +319,11 @@ eth_probe()
 				+ ((eth_flags & FLAG_16BIT) ? i : 0)]));
 			if (i < 5) printf (":");
 		}
-		printf("\r\n");
+		goto found_board;
 	}
 #endif
+found_board:
+	printf("\r\n");
 	if (eth_vendor == VENDOR_NONE) return(0);
 
         if (eth_vendor != VENDOR_3COM) eth_rmem = eth_bmem;

sys/i386/boot/netboot/start2.S

@@ -17,6 +17,23 @@
 	.byte	(ROMSIZE>>9)		/* no. of 512B blocks */
 	jmp	1f			/* enter from bios here */
 	.byte	0			/* checksum */
+#ifdef	PCI
+	.ascii   "FreeBSD boot ROM.."		/* 18 bytes total */
+	.word	0x1a
+/* PCI rom data structure format */
+	.ascii	"PCIR"			/* signature */
+	.word	PCI_VENDOR		/* vendor ID */
+	.word	PCI_DEVICE		/* device ID */
+	.word	0			/* vital product data */
+	.word	0x0018			/* PCI data structure */
+	.byte	0			/* PCI data struct. rev -- 0 */
+	.byte	PCI_CLASS		/* Class code */
+	.word	(ROMSIZE>>9)            /* no. of 512B blocks */
+	.byte	0,0			/* rev. level */
+	.byte	0			/* code type - 0 =x86 */
+	.byte	0x80			/* indicator of last block */
+	.word	0			/* reserved */
+#endif
 1:	push	%eax
 	push	%ds
 	xor	%eax,%eax