Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (38 commits)
  [S390] SPIN_LOCK_UNLOCKED cleanup in drivers/s390
  [S390] Clean up smp code in preparation for some larger changes.
  [S390] Remove debugging junk.
  [S390] Switch etr from tasklet to workqueue.
  [S390] split page_test_and_clear_dirty.
  [S390] Processor degradation notification.
  [S390] vtime: cleanup per_cpu usage.
  [S390] crypto: cleanup.
  [S390] sclp: fix coding style.
  [S390] vmlogrdr: stop IUCV connection in vmlogrdr_release.
  [S390] sclp: initialize early.
  [S390] ctc: kmalloc->kzalloc/casting cleanups.
  [S390] zfcpdump support.
  [S390] dasd: Add ipldev parameter.
  [S390] dasd: Add sysfs attribute status and generate uevents.
  [S390] Improved kernel stack overflow checking.
  [S390] Get rid of console setup functions.
  [S390] No execute support cleanup.
  [S390] Minor fault path optimization.
  [S390] Use generic bug.
  ...

27 files changed, 2256 insertions, 843 deletions

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 0f293aa7b0f..e6ec418093e 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -41,6 +41,11 @@ config GENERIC_HWEIGHT
 config GENERIC_TIME
 	def_bool y
 
+config GENERIC_BUG
+	bool
+	depends on BUG
+	default y
+
 config NO_IOMEM
 	def_bool y
 
@@ -514,6 +519,14 @@ config KEXEC
 	  current kernel, and to start another kernel.  It is like a reboot
 	  but is independent of hardware/microcode support.
 
+config ZFCPDUMP
+	tristate "zfcpdump support"
+	select SMP
+	default n
+	help
+	  Select this option if you want to build an zfcpdump enabled kernel.
+	  Refer to "Documentation/s390/zfcpdump.txt" for more details on this.
+
 endmenu
 
 source "net/Kconfig"
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index b1e55849646..68441e0e74b 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -67,8 +67,10 @@ endif
 
 ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y)
 cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE)
+ifneq ($(call cc-option-yn,-mstack-size=8192),y)
 cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD)
 endif
+endif
 
 ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
 cflags-$(CONFIG_WARN_STACK) += -mwarn-dynamicstack
@@ -103,6 +105,9 @@ install: vmlinux
 image: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 
+zfcpdump:
+	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
 
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 0c3cf4b16ae..ee89b33145d 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -668,45 +668,7 @@ EXPORT_SYMBOL_GPL(appldata_register_ops);
 EXPORT_SYMBOL_GPL(appldata_unregister_ops);
 EXPORT_SYMBOL_GPL(appldata_diag);
 
-#ifdef MODULE
-/*
- * Kernel symbols needed by appldata_mem and appldata_os modules.
- * However, if this file is compiled as a module (for testing only), these
- * symbols are not exported. In this case, we define them locally and export
- * those.
- */
-void si_swapinfo(struct sysinfo *val)
-{
-	val->freeswap = -1ul;
-	val->totalswap = -1ul;
-}
-
-unsigned long avenrun[3] = {-1 - FIXED_1/200, -1 - FIXED_1/200,
-				-1 - FIXED_1/200};
-int nr_threads = -1;
-
-void get_full_page_state(struct page_state *ps)
-{
-	memset(ps, -1, sizeof(struct page_state));
-}
-
-unsigned long nr_running(void)
-{
-	return -1;
-}
-
-unsigned long nr_iowait(void)
-{
-	return -1;
-}
-
-/*unsigned long nr_context_switches(void)
-{
-	return -1;
-}*/
-#endif /* MODULE */
 EXPORT_SYMBOL_GPL(si_swapinfo);
 EXPORT_SYMBOL_GPL(nr_threads);
 EXPORT_SYMBOL_GPL(nr_running);
 EXPORT_SYMBOL_GPL(nr_iowait);
-//EXPORT_SYMBOL_GPL(nr_context_switches);
diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c
index 969639f3197..af4460ec381 100644
--- a/arch/s390/crypto/sha1_s390.c
+++ b/arch/s390/crypto/sha1_s390.c
@@ -25,99 +25,100 @@
  */
 #include <linux/init.h>
 #include <linux/module.h>
-#include <linux/mm.h>
 #include <linux/crypto.h>
-#include <asm/scatterlist.h>
-#include <asm/byteorder.h>
+
 #include "crypt_s390.h"
 
 #define SHA1_DIGEST_SIZE	20
 #define SHA1_BLOCK_SIZE		64
 
-struct crypt_s390_sha1_ctx {
-	u64 count;
+struct s390_sha1_ctx {
+	u64 count;		/* message length */
 	u32 state[5];
-	u32 buf_len;
-	u8 buffer[2 * SHA1_BLOCK_SIZE];
+	u8 buf[2 * SHA1_BLOCK_SIZE];
 };
 
 static void sha1_init(struct crypto_tfm *tfm)
 {
-	struct crypt_s390_sha1_ctx *ctx = crypto_tfm_ctx(tfm);
-
-	ctx->state[0] = 0x67452301;
-	ctx->state[1] =	0xEFCDAB89;
-	ctx->state[2] =	0x98BADCFE;
-	ctx->state[3] = 0x10325476;
-	ctx->state[4] =	0xC3D2E1F0;
-
-	ctx->count = 0;
-	ctx->buf_len = 0;
+	struct s390_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
+
+	sctx->state[0] = 0x67452301;
+	sctx->state[1] = 0xEFCDAB89;
+	sctx->state[2] = 0x98BADCFE;
+	sctx->state[3] = 0x10325476;
+	sctx->state[4] = 0xC3D2E1F0;
+	sctx->count = 0;
 }
 
 static void sha1_update(struct crypto_tfm *tfm, const u8 *data,
 			unsigned int len)
 {
-	struct crypt_s390_sha1_ctx *sctx;
-	long imd_len;
-
-	sctx = crypto_tfm_ctx(tfm);
-	sctx->count += len * 8; /* message bit length */
-
-	/* anything in buffer yet? -> must be completed */
-	if (sctx->buf_len && (sctx->buf_len + len) >= SHA1_BLOCK_SIZE) {
-		/* complete full block and hash */
-		memcpy(sctx->buffer + sctx->buf_len, data,
-		       SHA1_BLOCK_SIZE - sctx->buf_len);
-		crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buffer,
-				SHA1_BLOCK_SIZE);
-		data += SHA1_BLOCK_SIZE - sctx->buf_len;
-		len -= SHA1_BLOCK_SIZE - sctx->buf_len;
-		sctx->buf_len = 0;
+	struct s390_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
+	unsigned int index;
+	int ret;
+
+	/* how much is already in the buffer? */
+	index = sctx->count & 0x3f;
+
+	sctx->count += len;
+
+	if (index + len < SHA1_BLOCK_SIZE)
+		goto store;
+
+	/* process one stored block */
+	if (index) {
+		memcpy(sctx->buf + index, data, SHA1_BLOCK_SIZE - index);
+		ret = crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buf,
+				      SHA1_BLOCK_SIZE);
+		BUG_ON(ret != SHA1_BLOCK_SIZE);
+		data += SHA1_BLOCK_SIZE - index;
+		len -= SHA1_BLOCK_SIZE - index;
 	}
 
-	/* rest of data contains full blocks? */
-	imd_len = len & ~0x3ful;
-	if (imd_len) {
-		crypt_s390_kimd(KIMD_SHA_1, sctx->state, data, imd_len);
-		data += imd_len;
-		len -= imd_len;
+	/* process as many blocks as possible */
+	if (len >= SHA1_BLOCK_SIZE) {
+		ret = crypt_s390_kimd(KIMD_SHA_1, sctx->state, data,
+				      len & ~(SHA1_BLOCK_SIZE - 1));
+		BUG_ON(ret != (len & ~(SHA1_BLOCK_SIZE - 1)));
+		data += ret;
+		len -= ret;
 	}
-	/* anything left? store in buffer */
-	if (len) {
-		memcpy(sctx->buffer + sctx->buf_len , data, len);
-		sctx->buf_len += len;
-	}
-}
 
+store:
+	/* anything left? */
+	if (len)
+		memcpy(sctx->buf + index , data, len);
+}
 
-static void pad_message(struct crypt_s390_sha1_ctx* sctx)
+/* Add padding and return the message digest. */
+static void sha1_final(struct crypto_tfm *tfm, u8 *out)
 {
-	int index;
+	struct s390_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
+	u64 bits;
+	unsigned int index, end;
+	int ret;
+
+	/* must perform manual padding */
+	index = sctx->count & 0x3f;
+	end =  (index < 56) ? SHA1_BLOCK_SIZE : (2 * SHA1_BLOCK_SIZE);
 
-	index = sctx->buf_len;
-	sctx->buf_len = (sctx->buf_len < 56) ?
-			 SHA1_BLOCK_SIZE:2 * SHA1_BLOCK_SIZE;
 	/* start pad with 1 */
-	sctx->buffer[index] = 0x80;
+	sctx->buf[index] = 0x80;
+
 	/* pad with zeros */
 	index++;
-	memset(sctx->buffer + index, 0x00, sctx->buf_len - index);
-	/* append length */
-	memcpy(sctx->buffer + sctx->buf_len - 8, &sctx->count,
-	       sizeof sctx->count);
-}
+	memset(sctx->buf + index, 0x00, end - index - 8);
 
-/* Add padding and return the message digest. */
-static void sha1_final(struct crypto_tfm *tfm, u8 *out)
-{
-	struct crypt_s390_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
+	/* append message length */
+	bits = sctx->count * 8;
+	memcpy(sctx->buf + end - 8, &bits, sizeof(bits));
+
+	ret = crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buf, end);
+	BUG_ON(ret != end);
 
-	/* must perform manual padding */
-	pad_message(sctx);
-	crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buffer, sctx->buf_len);
 	/* copy digest to out */
 	memcpy(out, sctx->state, SHA1_DIGEST_SIZE);
+
 	/* wipe context */
 	memset(sctx, 0, sizeof *sctx);
 }
@@ -128,7 +129,7 @@ static struct crypto_alg alg = {
 	.cra_priority	=	CRYPT_S390_PRIORITY,
 	.cra_flags	=	CRYPTO_ALG_TYPE_DIGEST,
 	.cra_blocksize	=	SHA1_BLOCK_SIZE,
-	.cra_ctxsize	=	sizeof(struct crypt_s390_sha1_ctx),
+	.cra_ctxsize	=	sizeof(struct s390_sha1_ctx),
 	.cra_module	=	THIS_MODULE,
 	.cra_list	=	LIST_HEAD_INIT(alg.cra_list),
 	.cra_u		=	{ .digest = {
diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c
index 78436c696d3..2ced3330bce 100644
--- a/arch/s390/crypto/sha256_s390.c
+++ b/arch/s390/crypto/sha256_s390.c
@@ -26,7 +26,7 @@
 #define SHA256_BLOCK_SIZE	64
 
 struct s390_sha256_ctx {
-	u64 count;
+	u64 count;		/* message length */
 	u32 state[8];
 	u8 buf[2 * SHA256_BLOCK_SIZE];
 };
@@ -54,10 +54,9 @@ static void sha256_update(struct crypto_tfm *tfm, const u8 *data,
 	int ret;
 
 	/* how much is already in the buffer? */
-	index = sctx->count / 8 & 0x3f;
+	index = sctx->count & 0x3f;
 
-	/* update message bit length */
-	sctx->count += len * 8;
+	sctx->count += len;
 
 	if ((index + len) < SHA256_BLOCK_SIZE)
 		goto store;
@@ -87,12 +86,17 @@ store:
 		memcpy(sctx->buf + index , data, len);
 }
 
-static void pad_message(struct s390_sha256_ctx* sctx)
+/* Add padding and return the message digest */
+static void sha256_final(struct crypto_tfm *tfm, u8 *out)
 {
-	int index, end;
+	struct s390_sha256_ctx *sctx = crypto_tfm_ctx(tfm);
+	u64 bits;
+	unsigned int index, end;
+	int ret;
 
-	index = sctx->count / 8 & 0x3f;
-	end = index < 56 ? SHA256_BLOCK_SIZE : 2 * SHA256_BLOCK_SIZE;
+	/* must perform manual padding */
+	index = sctx->count & 0x3f;
+	end = (index < 56) ? SHA256_BLOCK_SIZE : (2 * SHA256_BLOCK_SIZE);
 
 	/* start pad with 1 */
 	sctx->buf[index] = 0x80;
@@ -102,21 +106,11 @@ static void pad_message(struct s390_sha256_ctx* sctx)
 	memset(sctx->buf + index, 0x00, end - index - 8);
 
 	/* append message length */
-	memcpy(sctx->buf + end - 8, &sctx->count, sizeof sctx->count);
-
-	sctx->count = end * 8;
-}
-
-/* Add padding and return the message digest */
-static void sha256_final(struct crypto_tfm *tfm, u8 *out)
-{
-	struct s390_sha256_ctx *sctx = crypto_tfm_ctx(tfm);
-
-	/* must perform manual padding */
-	pad_message(sctx);
+	bits = sctx->count * 8;
+	memcpy(sctx->buf + end - 8, &bits, sizeof(bits));
 
-	crypt_s390_kimd(KIMD_SHA_256, sctx->state, sctx->buf,
-			sctx->count / 8);
+	ret = crypt_s390_kimd(KIMD_SHA_256, sctx->state, sctx->buf, end);
+	BUG_ON(ret != end);
 
 	/* copy digest to out */
 	memcpy(out, sctx->state, SHA256_DIGEST_SIZE);
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 741d2bbb2b3..0e4da8a7d82 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -12,6 +12,7 @@ CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_BUG=y
 CONFIG_NO_IOMEM=y
 CONFIG_S390=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -166,6 +167,7 @@ CONFIG_NO_IDLE_HZ=y
 CONFIG_NO_IDLE_HZ_INIT=y
 CONFIG_S390_HYPFS_FS=y
 CONFIG_KEXEC=y
+# CONFIG_ZFCPDUMP is not set
 
 #
 # Networking
@@ -705,6 +707,7 @@ CONFIG_DEBUG_MUTEXES=y
 CONFIG_DEBUG_SPINLOCK_SLEEP=y
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 5492d25d7d6..3195d375bd5 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -6,7 +6,7 @@ EXTRA_AFLAGS	:= -traditional
 
 obj-y	:=  bitmap.o traps.o time.o process.o base.o early.o \
             setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \
-	    semaphore.o s390_ext.o debug.o irq.o ipl.o
+	    semaphore.o s390_ext.o debug.o irq.o ipl.o dis.o
 
 obj-y	+= $(if $(CONFIG_64BIT),entry64.o,entry.o)
 obj-y	+= $(if $(CONFIG_64BIT),reipl64.o,reipl.o)
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 664c669b185..5236fdb17fc 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -495,29 +495,34 @@ sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
  * sys32_execve() executes a new program after the asm stub has set
  * things up for us.  This should basically do what I want it to.
  */
-asmlinkage long
-sys32_execve(struct pt_regs regs)
+asmlinkage long sys32_execve(void)
 {
-        int error;
-        char * filename;
+	struct pt_regs *regs = task_pt_regs(current);
+	char *filename;
+	unsigned long result;
+	int rc;
 
-        filename = getname(compat_ptr(regs.orig_gpr2));
-        error = PTR_ERR(filename);
-        if (IS_ERR(filename))
+	filename = getname(compat_ptr(regs->orig_gpr2));
+	if (IS_ERR(filename)) {
+		result = PTR_ERR(filename);
                 goto out;
-        error = compat_do_execve(filename, compat_ptr(regs.gprs[3]),
-				 compat_ptr(regs.gprs[4]), &regs);
-	if (error == 0)
-	{
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
-		task_unlock(current);
-		current->thread.fp_regs.fpc=0;
-		asm volatile("sfpc %0,0" : : "d" (0));
 	}
+	rc = compat_do_execve(filename, compat_ptr(regs->gprs[3]),
+			      compat_ptr(regs->gprs[4]), regs);
+	if (rc) {
+		result = rc;
+		goto out_putname;
+	}
+	task_lock(current);
+	current->ptrace &= ~PT_DTRACE;
+	task_unlock(current);
+	current->thread.fp_regs.fpc=0;
+	asm volatile("sfpc %0,0" : : "d" (0));
+	result = regs->gprs[2];
+out_putname:
         putname(filename);
 out:
-        return error;
+	return result;
 }
 
 
@@ -918,19 +923,20 @@ asmlinkage long sys32_write(unsigned int fd, char __user * buf, size_t count)
 	return sys_write(fd, buf, count);
 }
 
-asmlinkage long sys32_clone(struct pt_regs regs)
+asmlinkage long sys32_clone(void)
 {
-        unsigned long clone_flags;
-        unsigned long newsp;
+	struct pt_regs *regs = task_pt_regs(current);
+	unsigned long clone_flags;
+	unsigned long newsp;
 	int __user *parent_tidptr, *child_tidptr;
 
-        clone_flags = regs.gprs[3] & 0xffffffffUL;
-        newsp = regs.orig_gpr2 & 0x7fffffffUL;
-	parent_tidptr = compat_ptr(regs.gprs[4]);
-	child_tidptr = compat_ptr(regs.gprs[5]);
-        if (!newsp)
-                newsp = regs.gprs[15];
-        return do_fork(clone_flags, newsp, &regs, 0,
+	clone_flags = regs->gprs[3] & 0xffffffffUL;
+	newsp = regs->orig_gpr2 & 0x7fffffffUL;
+	parent_tidptr = compat_ptr(regs->gprs[4]);
+	child_tidptr = compat_ptr(regs->gprs[5]);
+	if (!newsp)
+		newsp = regs->gprs[15];
+	return do_fork(clone_flags, newsp, regs, 0,
 		       parent_tidptr, child_tidptr);
 }
 
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 887a9881d0d..80a54a0149a 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -255,9 +255,9 @@ sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,
 }
 
 asmlinkage long
-sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss,
-							struct pt_regs *regs)
+sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss)
 {
+	struct pt_regs *regs = task_pt_regs(current);
 	stack_t kss, koss;
 	unsigned long ss_sp;
 	int ret, err = 0;
@@ -344,8 +344,9 @@ static int restore_sigregs32(struct pt_regs *regs,_sigregs32 __user *sregs)
 	return 0;
 }
 
-asmlinkage long sys32_sigreturn(struct pt_regs *regs)
+asmlinkage long sys32_sigreturn(void)
 {
+	struct pt_regs *regs = task_pt_regs(current);
 	sigframe32 __user *frame = (sigframe32 __user *)regs->gprs[15];
 	sigset_t set;
 
@@ -370,8 +371,9 @@ badframe:
 	return 0;
 }
 
-asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
+asmlinkage long sys32_rt_sigreturn(void)
 {
+	struct pt_regs *regs = task_pt_regs(current);
 	rt_sigframe32 __user *frame = (rt_sigframe32 __user *)regs->gprs[15];
 	sigset_t set;
 	stack_t st;
@@ -407,8 +409,8 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
 	return regs->gprs[2];
 
 badframe:
-        force_sig(SIGSEGV, current);
-        return 0;
+	force_sig(SIGSEGV, current);
+	return 0;
 }	
 
 /*
diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c
new file mode 100644
index 00000000000..dabaf98943d
--- /dev/null
+++ b/arch/s390/kernel/dis.c
@@ -0,0 +1,1278 @@
+/*
+ * arch/s390/kernel/dis.c
+ *
+ * Disassemble s390 instructions.
+ *
+ * Copyright IBM Corp. 2007
+ * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
+ */
+
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/ptrace.h>
+#include <linux/timer.h>
+#include <linux/mm.h>
+#include <linux/smp.h>
+#include <linux/smp_lock.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/kallsyms.h>
+#include <linux/reboot.h>
+#include <linux/kprobes.h>
+
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/atomic.h>
+#include <asm/mathemu.h>
+#include <asm/cpcmd.h>
+#include <asm/s390_ext.h>
+#include <asm/lowcore.h>
+#include <asm/debug.h>
+#include <asm/kdebug.h>
+
+#ifndef CONFIG_64BIT
+#define ONELONG "%08lx: "
+#else /* CONFIG_64BIT */
+#define ONELONG "%016lx: "
+#endif /* CONFIG_64BIT */
+
+#define OPERAND_GPR	0x1	/* Operand printed as %rx */
+#define OPERAND_FPR	0x2	/* Operand printed as %fx */
+#define OPERAND_AR	0x4	/* Operand printed as %ax */
+#define OPERAND_CR	0x8	/* Operand printed as %cx */
+#define OPERAND_DISP	0x10	/* Operand printed as displacement */
+#define OPERAND_BASE	0x20	/* Operand printed as base register */
+#define OPERAND_INDEX	0x40	/* Operand printed as index register */
+#define OPERAND_PCREL	0x80	/* Operand printed as pc-relative symbol */
+#define OPERAND_SIGNED	0x100	/* Operand printed as signed value */
+#define OPERAND_LENGTH	0x200	/* Operand printed as length (+1) */
+
+enum {
+	UNUSED,	/* Indicates the end of the operand list */
+	R_8,	/* GPR starting at position 8 */
+	R_12,	/* GPR starting at position 12 */
+	R_16,	/* GPR starting at position 16 */
+	R_20,	/* GPR starting at position 20 */
+	R_24,	/* GPR starting at position 24 */
+	R_28,	/* GPR starting at position 28 */
+	R_32,	/* GPR starting at position 32 */
+	F_8,	/* FPR starting at position 8 */
+	F_12,	/* FPR starting at position 12 */
+	F_16,	/* FPR starting at position 16 */
+	F_20,	/* FPR starting at position 16 */
+	F_24,	/* FPR starting at position 24 */
+	F_28,	/* FPR starting at position 28 */
+	F_32,	/* FPR starting at position 32 */
+	A_8,	/* Access reg. starting at position 8 */
+	A_12,	/* Access reg. starting at position 12 */
+	A_24,	/* Access reg. starting at position 24 */
+	A_28,	/* Access reg. starting at position 28 */
+	C_8,	/* Control reg. starting at position 8 */
+	C_12,	/* Control reg. starting at position 12 */
+	B_16,	/* Base register starting at position 16 */
+	B_32,	/* Base register starting at position 32 */
+	X_12,	/* Index register starting at position 12 */
+	D_20,	/* Displacement starting at position 20 */
+	D_36,	/* Displacement starting at position 36 */
+	D20_20,	/* 20 bit displacement starting at 20 */
+	L4_8,	/* 4 bit length starting at position 8 */
+	L4_12,	/* 4 bit length starting at position 12 */
+	L8_8,	/* 8 bit length starting at position 8 */
+	U4_8,	/* 4 bit unsigned value starting at 8 */
+	U4_12,	/* 4 bit unsigned value starting at 12 */
+	U4_16,	/* 4 bit unsigned value starting at 16 */
+	U4_20,	/* 4 bit unsigned value starting at 20 */
+	U8_8,	/* 8 bit unsigned value starting at 8 */
+	U8_16,	/* 8 bit unsigned value starting at 16 */
+	I16_16,	/* 16 bit signed value starting at 16 */
+	U16_16,	/* 16 bit unsigned value starting at 16 */
+	J16_16,	/* PC relative jump offset at 16 */
+	J32_16,	/* PC relative long offset at 16 */
+	I32_16,	/* 32 bit signed value starting at 16 */
+	U32_16,	/* 32 bit unsigned value starting at 16 */
+	M_16,	/* 4 bit optional mask starting at 16 */
+	RO_28,	/* optional GPR starting at position 28 */
+};
+
+/*
+ * Enumeration of the different instruction formats.
+ * For details consult the principles of operation.
+ */
+enum {
+	INSTR_INVALID,
+	INSTR_E, INSTR_RIE_RRP, INSTR_RIL_RI, INSTR_RIL_RP, INSTR_RIL_RU,
+	INSTR_RIL_UP, INSTR_RI_RI, INSTR_RI_RP, INSTR_RI_RU, INSTR_RI_UP,
+	INSTR_RRE_00, INSTR_RRE_0R, INSTR_RRE_AA, INSTR_RRE_AR, INSTR_RRE_F0,
+	INSTR_RRE_FF, INSTR_RRE_R0, INSTR_RRE_RA, INSTR_RRE_RF, INSTR_RRE_RR,
+	INSTR_RRE_RR_OPT, INSTR_RRF_F0FF, INSTR_RRF_FUFF, INSTR_RRF_M0RR,
+	INSTR_RRF_R0RR, INSTR_RRF_RURR, INSTR_RRF_U0FF, INSTR_RRF_U0RF,
+	INSTR_RR_FF, INSTR_RR_R0, INSTR_RR_RR, INSTR_RR_U0, INSTR_RR_UR,
+	INSTR_RSE_CCRD, INSTR_RSE_RRRD, INSTR_RSE_RURD, INSTR_RSI_RRP,
+	INSTR_RSL_R0RD, INSTR_RSY_AARD, INSTR_RSY_CCRD, INSTR_RSY_RRRD,
+	INSTR_RSY_RURD, INSTR_RS_AARD, INSTR_RS_CCRD, INSTR_RS_R0RD,
+	INSTR_RS_RRRD, INSTR_RS_RURD, INSTR_RXE_FRRD, INSTR_RXE_RRRD,
+	INSTR_RXF_FRRDF, INSTR_RXY_FRRD, INSTR_RXY_RRRD, INSTR_RX_FRRD,
+	INSTR_RX_RRRD, INSTR_RX_URRD, INSTR_SIY_URD, INSTR_SI_URD,
+	INSTR_SSE_RDRD, INSTR_SSF_RRDRD, INSTR_SS_L0RDRD, INSTR_SS_LIRDRD,
+	INSTR_SS_LLRDRD, INSTR_SS_RRRDRD, INSTR_SS_RRRDRD2, INSTR_SS_RRRDRD3,
+	INSTR_S_00, INSTR_S_RD,
+};
+
+struct operand {
+	int bits;		/* The number of bits in the operand. */
+	int shift;		/* The number of bits to shift. */
+	int flags;		/* One bit syntax flags. */
+};
+
+struct insn {
+	const char name[5];
+	unsigned char opfrag;
+	unsigned char format;
+};
+
+static const struct operand operands[] =
+{
+	[UNUSED]  = { 0, 0, 0 },
+	[R_8]	 = {  4,  8, OPERAND_GPR },
+	[R_12]	 = {  4, 12, OPERAND_GPR },
+	[R_16]	 = {  4, 16, OPERAND_GPR },
+	[R_20]	 = {  4, 20, OPERAND_GPR },
+	[R_24]	 = {  4, 24, OPERAND_GPR },
+	[R_28]	 = {  4, 28, OPERAND_GPR },
+	[R_32]	 = {  4, 32, OPERAND_GPR },
+	[F_8]	 = {  4,  8, OPERAND_FPR },
+	[F_12]	 = {  4, 12, OPERAND_FPR },
+	[F_16]	 = {  4, 16, OPERAND_FPR },
+	[F_20]	 = {  4, 16, OPERAND_FPR },
+	[F_24]	 = {  4, 24, OPERAND_FPR },
+	[F_28]	 = {  4, 28, OPERAND_FPR },
+	[F_32]	 = {  4, 32, OPERAND_FPR },
+	[A_8]	 = {  4,  8, OPERAND_AR },
+	[A_12]	 = {  4, 12, OPERAND_AR },
+	[A_24]	 = {  4, 24, OPERAND_AR },
+	[A_28]	 = {  4, 28, OPERAND_AR },
+	[C_8]	 = {  4,  8, OPERAND_CR },
+	[C_12]	 = {  4, 12, OPERAND_CR },
+	[B_16]	 = {  4, 16, OPERAND_BASE | OPERAND_GPR },
+	[B_32]	 = {  4, 32, OPERAND_BASE | OPERAND_GPR },
+	[X_12]	 = {  4, 12, OPERAND_INDEX | OPERAND_GPR },
+	[D_20]	 = { 12, 20, OPERAND_DISP },
+	[D_36]	 = { 12, 36, OPERAND_DISP },
+	[D20_20] = { 20, 20, OPERAND_DISP | OPERAND_SIGNED },
+	[L4_8]	 = {  4,  8, OPERAND_LENGTH },
+	[L4_12]  = {  4, 12, OPERAND_LENGTH },
+	[L8_8]	 = {  8,  8, OPERAND_LENGTH },
+	[U4_8]	 = {  4,  8, 0 },
+	[U4_12]  = {  4, 12, 0 },
+	[U4_16]  = {  4, 16, 0 },
+	[U4_20]  = {  4, 20, 0 },
+	[U8_8]	 = {  8,  8, 0 },
+	[U8_16]  = {  8, 16, 0 },
+	[I16_16] = { 16, 16, OPERAND_SIGNED },
+	[U16_16] = { 16, 16, 0 },
+	[J16_16] = { 16, 16, OPERAND_PCREL },
+	[J32_16] = { 32, 16, OPERAND_PCREL },
+	[I32_16] = { 32, 16, OPERAND_SIGNED },
+	[U32_16] = { 32, 16, 0 },
+	[M_16]	 = {  4, 16, 0 },
+	[RO_28]  = {  4, 28, OPERAND_GPR }
+};
+
+static const unsigned char formats[][7] = {
+	[INSTR_E]	  = { 0xff, 0,0,0,0,0,0 },	       /* e.g. pr    */
+	[INSTR_RIE_RRP]	  = { 0xff, R_8,R_12,J16_16,0,0,0 },   /* e.g. brxhg */
+	[INSTR_RIL_RP]	  = { 0x0f, R_8,J32_16,0,0,0,0 },      /* e.g. brasl */
+	[INSTR_RIL_UP]	  = { 0x0f, U4_8,J32_16,0,0,0,0 },     /* e.g. brcl  */
+	[INSTR_RIL_RI]	  = { 0x0f, R_8,I32_16,0,0,0,0 },      /* e.g. afi   */
+	[INSTR_RIL_RU]	  = { 0x0f, R_8,U32_16,0,0,0,0 },      /* e.g. alfi  */
+	[INSTR_RI_RI]	  = { 0x0f, R_8,I16_16,0,0,0,0 },      /* e.g. ahi   */
+	[INSTR_RI_RP]	  = { 0x0f, R_8,J16_16,0,0,0,0 },      /* e.g. brct  */
+	[INSTR_RI_RU]	  = { 0x0f, R_8,U16_16,0,0,0,0 },      /* e.g. tml   */
+	[INSTR_RI_UP]	  = { 0x0f, U4_8,J16_16,0,0,0,0 },     /* e.g. brc   */
+	[INSTR_RRE_00]	  = { 0xff, 0,0,0,0,0,0 },	       /* e.g. palb  */
+	[INSTR_RRE_0R]	  = { 0xff, R_28,0,0,0,0,0 },	       /* e.g. tb    */
+	[INSTR_RRE_AA]	  = { 0xff, A_24,A_28,0,0,0,0 },       /* e.g. cpya  */
+	[INSTR_RRE_AR]	  = { 0xff, A_24,R_28,0,0,0,0 },       /* e.g. sar   */
+	[INSTR_RRE_F0]	  = { 0xff, F_24,0,0,0,0,0 },	       /* e.g. sqer  */
+	[INSTR_RRE_FF]	  = { 0xff, F_24,F_28,0,0,0,0 },       /* e.g. debr  */
+	[INSTR_RRE_R0]	  = { 0xff, R_24,0,0,0,0,0 },	       /* e.g. ipm   */
+	[INSTR_RRE_RA]	  = { 0xff, R_24,A_28,0,0,0,0 },       /* e.g. ear   */
+	[INSTR_RRE_RF]	  = { 0xff, R_24,F_28,0,0,0,0 },       /* e.g. cefbr */
+	[INSTR_RRE_RR]	  = { 0xff, R_24,R_28,0,0,0,0 },       /* e.g. lura  */
+	[INSTR_RRE_RR_OPT]= { 0xff, R_24,RO_28,0,0,0,0 },      /* efpc, sfpc */
+	[INSTR_RRF_F0FF]  = { 0xff, F_16,F_24,F_28,0,0,0 },    /* e.g. madbr */
+	[INSTR_RRF_FUFF]  = { 0xff, F_24,F_16,F_28,U4_20,0,0 },/* e.g. didbr */
+	[INSTR_RRF_RURR]  = { 0xff, R_24,R_28,R_16,U4_20,0,0 },/* e.g. .insn */
+	[INSTR_RRF_R0RR]  = { 0xff, R_24,R_28,R_16,0,0,0 },    /* e.g. idte  */
+	[INSTR_RRF_U0FF]  = { 0xff, F_24,U4_16,F_28,0,0,0 },   /* e.g. fixr  */
+	[INSTR_RRF_U0RF]  = { 0xff, R_24,U4_16,F_28,0,0,0 },   /* e.g. cfebr */
+	[INSTR_RRF_M0RR]  = { 0xff, R_24,R_28,M_16,0,0,0 },    /* e.g. sske  */
+	[INSTR_RR_FF]	  = { 0xff, F_8,F_12,0,0,0,0 },        /* e.g. adr   */
+	[INSTR_RR_R0]	  = { 0xff, R_8, 0,0,0,0,0 },	       /* e.g. spm   */
+	[INSTR_RR_RR]	  = { 0xff, R_8,R_12,0,0,0,0 },        /* e.g. lr    */
+	[INSTR_RR_U0]	  = { 0xff, U8_8, 0,0,0,0,0 },	       /* e.g. svc   */
+	[INSTR_RR_UR]	  = { 0xff, U4_8,R_12,0,0,0,0 },       /* e.g. bcr   */
+	[INSTR_RSE_RRRD]  = { 0xff, R_8,R_12,D_20,B_16,0,0 },  /* e.g. lmh   */
+	[INSTR_RSE_CCRD]  = { 0xff, C_8,C_12,D_20,B_16,0,0 },  /* e.g. lmh   */
+	[INSTR_RSE_RURD]  = { 0xff, R_8,U4_12,D_20,B_16,0,0 }, /* e.g. icmh  */
+	[INSTR_RSL_R0RD]  = { 0xff, R_8,D_20,B_16,0,0,0 },     /* e.g. tp    */
+	[INSTR_RSI_RRP]	  = { 0xff, R_8,R_12,J16_16,0,0,0 },   /* e.g. brxh  */
+	[INSTR_RSY_RRRD]  = { 0xff, R_8,R_12,D20_20,B_16,0,0 },/* e.g. stmy  */
+	[INSTR_RSY_RURD]  = { 0xff, R_8,U4_12,D20_20,B_16,0,0 },
+							       /* e.g. icmh  */
+	[INSTR_RSY_AARD]  = { 0xff, A_8,A_12,D20_20,B_16,0,0 },/* e.g. lamy  */
+	[INSTR_RSY_CCRD]  = { 0xff, C_8,C_12,D20_20,B_16,0,0 },/* e.g. lamy  */
+	[INSTR_RS_AARD]	  = { 0xff, A_8,A_12,D_20,B_16,0,0 },  /* e.g. lam   */
+	[INSTR_RS_CCRD]	  = { 0xff, C_8,C_12,D_20,B_16,0,0 },  /* e.g. lctl  */
+	[INSTR_RS_R0RD]	  = { 0xff, R_8,D_20,B_16,0,0,0 },     /* e.g. sll   */
+	[INSTR_RS_RRRD]	  = { 0xff, R_8,R_12,D_20,B_16,0,0 },  /* e.g. cs    */
+	[INSTR_RS_RURD]	  = { 0xff, R_8,U4_12,D_20,B_16,0,0 }, /* e.g. icm   */
+	[INSTR_RXE_FRRD]  = { 0xff, F_8,D_20,X_12,B_16,0,0 },  /* e.g. axbr  */
+	[INSTR_RXE_RRRD]  = { 0xff, R_8,D_20,X_12,B_16,0,0 },  /* e.g. lg    */
+	[INSTR_RXF_FRRDF] = { 0xff, F_32,F_8,D_20,X_12,B_16,0 },
+							       /* e.g. madb  */
+	[INSTR_RXY_RRRD]  = { 0xff, R_8,D20_20,X_12,B_16,0,0 },/* e.g. ly    */
+	[INSTR_RXY_FRRD]  = { 0xff, F_8,D20_20,X_12,B_16,0,0 },/* e.g. ley   */
+	[INSTR_RX_FRRD]	  = { 0xff, F_8,D_20,X_12,B_16,0,0 },  /* e.g. ae    */
+	[INSTR_RX_RRRD]	  = { 0xff, R_8,D_20,X_12,B_16,0,0 },  /* e.g. l     */
+	[INSTR_RX_URRD]	  = { 0x00, U4_8,D_20,X_12,B_16,0,0 }, /* e.g. bc    */
+	[INSTR_SI_URD]	  = { 0x00, D_20,B_16,U8_8,0,0,0 },    /* e.g. cli   */
+	[INSTR_SIY_URD]	  = { 0xff, D20_20,B_16,U8_8,0,0,0 },  /* e.g. tmy   */
+	[INSTR_SSE_RDRD]  = { 0xff, D_20,B_16,D_36,B_32,0,0 }, /* e.g. mvsdk */
+	[INSTR_SS_L0RDRD] = { 0xff, D_20,L8_8,B_16,D_36,B_32,0 },
+							       /* e.g. mvc   */
+	[INSTR_SS_LIRDRD] = { 0xff, D_20,L4_8,B_16,D_36,B_32,U4_12 },
+							       /* e.g. srp   */
+	[INSTR_SS_LLRDRD] = { 0xff, D_20,L4_8,B_16,D_36,L4_12,B_32 },
+							       /* e.g. pack  */
+	[INSTR_SS_RRRDRD] = { 0xff, D_20,R_8,B_16,D_36,B_32,R_12 },
+							       /* e.g. mvck  */
+	[INSTR_SS_RRRDRD2]= { 0xff, R_8,D_20,B_16,R_12,D_36,B_32 },
+							       /* e.g. plo   */
+	[INSTR_SS_RRRDRD3]= { 0xff, R_8,R_12,D_20,B_16,D_36,B_32 },
+							       /* e.g. lmd   */