Merge tag 'm68k-for-v6.1-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k updates from Geert Uytterhoeven:

 - Fix forward secrecy of RNG seed boot record handling

 - Make RNG seed boot record handling generic for all m68k platforms
   using bootinfo

 - defconfig updates

 - Minor fixes and improvements

* tag 'm68k-for-v6.1-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: Rework BI_VIRT_RNG_SEED as BI_RNG_SEED
  m68k: Process bootinfo records before saving them
  m68k: defconfig: Update defconfigs for v6.0-rc2
  m68k: Allow kexec on M68KCLASSIC with MMU enabled only
  m68k: Move from strlcpy with unused retval to strscpy

arch/m68k/Kconfig

@@ -87,7 +87,7 @@ config MMU_SUN3
 
 config KEXEC
 	bool "kexec system call"
-	depends on M68KCLASSIC
+	depends on M68KCLASSIC && MMU
 	select KEXEC_CORE
 	help
 	  kexec is a system call that implements the ability to shutdown your

arch/m68k/configs/amiga_defconfig

@@ -84,7 +84,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -573,9 +572,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -594,6 +593,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/apollo_defconfig

@@ -80,7 +80,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -530,9 +529,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -551,6 +550,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/atari_defconfig

@@ -87,7 +87,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -550,9 +549,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -571,6 +570,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/bvme6000_defconfig

@@ -77,7 +77,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -522,9 +521,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -543,6 +542,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/hp300_defconfig

@@ -79,7 +79,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -532,9 +531,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -553,6 +552,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/mac_defconfig

@@ -78,7 +78,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -552,9 +551,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -573,6 +572,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/multi_defconfig

@@ -98,7 +98,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -638,9 +637,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -659,6 +658,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/mvme147_defconfig

@@ -76,7 +76,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -521,9 +520,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -542,6 +541,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/mvme16x_defconfig

@@ -77,7 +77,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -522,9 +521,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -543,6 +542,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/q40_defconfig

@@ -78,7 +78,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -539,9 +538,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -560,6 +559,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/sun3_defconfig

@@ -74,7 +74,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -521,9 +520,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -542,6 +541,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/configs/sun3x_defconfig

@@ -74,7 +74,6 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK_HOOK=m
 CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_ZONES=y
-# CONFIG_NF_CONNTRACK_PROCFS is not set
 # CONFIG_NF_CT_PROTO_DCCP is not set
 CONFIG_NF_CONNTRACK_AMANDA=m
 CONFIG_NF_CONNTRACK_FTP=m
@@ -520,9 +519,9 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_XTS=m
 CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
+CONFIG_CRYPTO_HCTR2=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
@@ -541,6 +540,7 @@ CONFIG_CRYPTO_DES=m
 CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m

arch/m68k/include/uapi/asm/bootinfo-virt.h

@@ -13,13 +13,8 @@
 #define BI_VIRT_VIRTIO_BASE	0x8004
 #define BI_VIRT_CTRL_BASE	0x8005
 
-/*
- * A random seed used to initialize the RNG. Record format:
- *
- *   - length       [ 2 bytes, 16-bit big endian ]
- *   - seed data    [ `length` bytes, padded to preserve 2-byte alignment ]
- */
-#define BI_VIRT_RNG_SEED	0x8006
+/* No longer used -- replaced with BI_RNG_SEED -- but don't reuse this index:
+ * #define BI_VIRT_RNG_SEED	0x8006 */
 
 #define VIRT_BOOTI_VERSION	MK_BI_VERSION(2, 0)
 

arch/m68k/include/uapi/asm/bootinfo.h

@@ -64,6 +64,13 @@ struct mem_info {
 					/* (struct mem_info) */
 #define BI_COMMAND_LINE		0x0007	/* kernel command line parameters */
 					/* (string) */
+/*
+ * A random seed used to initialize the RNG. Record format:
+ *
+ *   - length       [ 2 bytes, 16-bit big endian ]
+ *   - seed data    [ `length` bytes, padded to preserve 4-byte struct alignment ]
+ */
+#define BI_RNG_SEED		0x0008
 
 
     /*

arch/m68k/kernel/setup_mm.c

@@ -25,6 +25,7 @@
 #include <linux/module.h>
 #include <linux/nvram.h>
 #include <linux/initrd.h>
+#include <linux/random.h>
 
 #include <asm/bootinfo.h>
 #include <asm/byteorder.h>
@@ -109,10 +110,9 @@ extern void paging_init(void);
 
 static void __init m68k_parse_bootinfo(const struct bi_record *record)
 {
+	const struct bi_record *first_record = record;
 	uint16_t tag;
 
-	save_bootinfo(record);
-
 	while ((tag = be16_to_cpu(record->tag)) != BI_LAST) {
 		int unknown = 0;
 		const void *data = record->data;
@@ -148,10 +148,21 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record)
 			break;
 
 		case BI_COMMAND_LINE:
-			strlcpy(m68k_command_line, data,
+			strscpy(m68k_command_line, data,
 				sizeof(m68k_command_line));
 			break;
 
+		case BI_RNG_SEED: {
+			u16 len = be16_to_cpup(data);
+			add_bootloader_randomness(data + 2, len);
+			/*
+			 * Zero the data to preserve forward secrecy, and zero the
+			 * length to prevent kexec from using it.
+			 */
+			memzero_explicit((void *)data, len + 2);
+			break;
+		}
+
 		default:
 			if (MACH_IS_AMIGA)
 				unknown = amiga_parse_bootinfo(record);
@@ -182,6 +193,8 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record)
 		record = (struct bi_record *)((unsigned long)record + size);
 	}
 
+	save_bootinfo(first_record);
+
 	m68k_realnum_memory = m68k_num_memory;
 #ifdef CONFIG_SINGLE_MEMORY_CHUNK
 	if (m68k_num_memory > 1) {

arch/m68k/virt/config.c

@@ -2,7 +2,6 @@
 
 #include <linux/reboot.h>
 #include <linux/serial_core.h>
-#include <linux/random.h>
 #include <clocksource/timer-goldfish.h>
 
 #include <asm/bootinfo.h>
@@ -93,16 +92,6 @@ int __init virt_parse_bootinfo(const struct bi_record *record)
 		data += 4;
 		virt_bi_data.virtio.irq = be32_to_cpup(data);
 		break;
-	case BI_VIRT_RNG_SEED: {
-		u16 len = be16_to_cpup(data);
-		add_bootloader_randomness(data + 2, len);
-		/*
-		 * Zero the data to preserve forward secrecy, and zero the
-		 * length to prevent kexec from using it.
-		 */
-		memzero_explicit((void *)data, len + 2);
-		break;
-	}
 	default:
 		unknown = 1;
 		break;