10 files changed, 249 insertions, 326 deletions

diff --git a/arch/cris/kernel/Makefile b/arch/cris/kernel/Makefile
index 1546a0e74047..c8e8ea570989 100644
--- a/arch/cris/kernel/Makefile
+++ b/arch/cris/kernel/Makefile
@@ -1,4 +1,4 @@
-# $Id: Makefile,v 1.10 2004/05/14 10:18:12 starvik Exp $
+# $Id: Makefile,v 1.12 2004/10/19 13:07:43 starvik Exp $
 #
 # Makefile for the linux kernel.
 #
@@ -10,6 +10,7 @@ obj-y   := process.o traps.o irq.o ptrace.o setup.o \
 
 obj-$(CONFIG_MODULES)    += crisksyms.o
 obj-$(CONFIG_MODULES)	 += module.o
+obj-$(CONFIG_SYSTEM_PROFILER)   += profile.o
 
 clean:
 
diff --git a/arch/cris/kernel/crisksyms.c b/arch/cris/kernel/crisksyms.c
index 7141bbecd7e4..85833d704ebb 100644
--- a/arch/cris/kernel/crisksyms.c
+++ b/arch/cris/kernel/crisksyms.c
@@ -27,13 +27,13 @@ extern void __Udiv(void);
 extern void __Umod(void);
 extern void __Div(void);
 extern void __Mod(void);
+extern void __ashldi3(void);
 extern void __ashrdi3(void);
-extern void iounmap(void *addr);
+extern void __lshrdi3(void);
+extern void iounmap(volatile void * __iomem);
 
 /* Platform dependent support */
 EXPORT_SYMBOL(dump_thread);
-EXPORT_SYMBOL(enable_irq);
-EXPORT_SYMBOL(disable_irq);
 EXPORT_SYMBOL(kernel_thread);
 EXPORT_SYMBOL(get_cmos_time);
 EXPORT_SYMBOL(loops_per_usec);
@@ -57,7 +57,9 @@ EXPORT_SYMBOL(__Udiv);
 EXPORT_SYMBOL(__Umod);
 EXPORT_SYMBOL(__Div);
 EXPORT_SYMBOL(__Mod);
+EXPORT_SYMBOL(__ashldi3);
 EXPORT_SYMBOL(__ashrdi3);
+EXPORT_SYMBOL(__lshrdi3);
 
 /* Memory functions */
 EXPORT_SYMBOL(__ioremap);
@@ -69,23 +71,10 @@ EXPORT_SYMBOL(__down);
 EXPORT_SYMBOL(__down_interruptible);
 EXPORT_SYMBOL(__down_trylock);
 
-/* Export shadow registers for the CPU I/O pins */
-EXPORT_SYMBOL(genconfig_shadow);
-EXPORT_SYMBOL(port_pa_data_shadow);
-EXPORT_SYMBOL(port_pa_dir_shadow);
-EXPORT_SYMBOL(port_pb_data_shadow);
-EXPORT_SYMBOL(port_pb_dir_shadow);
-EXPORT_SYMBOL(port_pb_config_shadow);
-EXPORT_SYMBOL(port_g_data_shadow);
-
 /* Userspace access functions */
 EXPORT_SYMBOL(__copy_user_zeroing);
 EXPORT_SYMBOL(__copy_user);
 
-/* Cache flush functions */
-EXPORT_SYMBOL(flush_etrax_cache);
-EXPORT_SYMBOL(prepare_rx_descriptor);
-
 #undef memcpy
 #undef memset
 extern void * memset(void *, int, __kernel_size_t);
diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c
index d848b9407457..30deaf1b728a 100644
--- a/arch/cris/kernel/irq.c
+++ b/arch/cris/kernel/irq.c
@@ -12,8 +12,6 @@
  * shouldn't result in any weird surprises, and installing new handlers
  * should be easier.
  *
- * Notice Linux/CRIS: these routines do not care about SMP
- *
  */
 
 /*
@@ -24,6 +22,7 @@
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/ptrace.h>
+#include <linux/irq.h>
 
 #include <linux/kernel_stat.h>
 #include <linux/signal.h>
@@ -36,84 +35,56 @@
 #include <linux/init.h>
 #include <linux/seq_file.h>
 #include <linux/errno.h>
-#include <linux/bitops.h>
+#include <linux/spinlock.h>
 
 #include <asm/io.h>
 
-/* Defined in arch specific irq.c */
-extern void arch_setup_irq(int irq);
-extern void arch_free_irq(int irq);
-
-void
-disable_irq(unsigned int irq_nr)
-{
-	unsigned long flags;
-	
-	local_save_flags(flags);
-	local_irq_disable();
-	mask_irq(irq_nr);
-	local_irq_restore(flags);
-}
-
-void
-enable_irq(unsigned int irq_nr)
+void ack_bad_irq(unsigned int irq)
 {
-	unsigned long flags;
-	local_save_flags(flags);
-	local_irq_disable();
-	unmask_irq(irq_nr);
-	local_irq_restore(flags);
+	printk("unexpected IRQ trap at vector %02x\n", irq);
 }
 
-unsigned long
-probe_irq_on()
-{
-	return 0;
-}
-
-EXPORT_SYMBOL(probe_irq_on);
-
-int
-probe_irq_off(unsigned long x)
-{
-	return 0;
-}
-
-EXPORT_SYMBOL(probe_irq_off);
-
-/*
- * Initial irq handlers.
- */
-
-static struct irqaction *irq_action[NR_IRQS];
-
 int show_interrupts(struct seq_file *p, void *v)
 {
-	int i = *(loff_t *) v;
+	int i = *(loff_t *) v, j;
 	struct irqaction * action;
 	unsigned long flags;
 
+	if (i == 0) {
+		seq_printf(p, "           ");
+		for (j=0; j<NR_CPUS; j++)
+			if (cpu_online(j))
+				seq_printf(p, "CPU%d       ",j);
+		seq_putc(p, '\n');
+	}
+
 	if (i < NR_IRQS) {
-		local_irq_save(flags);
-		action = irq_action[i];
-		if (!action) 
+		spin_lock_irqsave(&irq_desc[i].lock, flags);
+		action = irq_desc[i].action;
+		if (!action)
 			goto skip;
-		seq_printf(p, "%2d: %10u %c %s",
-			i, kstat_this_cpu.irqs[i],
-			(action->flags & SA_INTERRUPT) ? '+' : ' ',
-			action->name);
-		for (action = action->next; action; action = action->next) {
-			seq_printf(p, ",%s %s",
-				(action->flags & SA_INTERRUPT) ? " +" : "",
-				action->name);
-		}
+		seq_printf(p, "%3d: ",i);
+#ifndef CONFIG_SMP
+		seq_printf(p, "%10u ", kstat_irqs(i));
+#else
+		for (j = 0; j < NR_CPUS; j++)
+			if (cpu_online(j))
+				seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+#endif
+		seq_printf(p, " %14s", irq_desc[i].handler->typename);
+		seq_printf(p, "  %s", action->name);
+
+		for (action=action->next; action; action = action->next)
+			seq_printf(p, ", %s", action->name);
+
 		seq_putc(p, '\n');
 skip:
-		local_irq_restore(flags);
+		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
 	}
 	return 0;
 }
 
+
 /* called by the assembler IRQ entry functions defined in irq.h
  * to dispatch the interrupts to registred handlers
  * interrupts are disabled upon entry - depending on if the
@@ -123,164 +94,17 @@ skip:
 
 asmlinkage void do_IRQ(int irq, struct pt_regs * regs)
 {
-	struct irqaction *action;
-	int do_random, cpu;
-        int ret, retval = 0;
-
-        cpu = smp_processor_id();
-        irq_enter();
-	kstat_cpu(cpu).irqs[irq - FIRST_IRQ]++;
-	action = irq_action[irq - FIRST_IRQ];
-
-        if (action) {
-                if (!(action->flags & SA_INTERRUPT))
-                        local_irq_enable();
-                do_random = 0;
-                do {
-			ret = action->handler(irq, action->dev_id, regs);
-			if (ret == IRQ_HANDLED)
-				do_random |= action->flags;
-                        retval |= ret;
-                        action = action->next;
-                } while (action);
-
-                if (retval != 1) {
-			if (retval) {
-				printk("irq event %d: bogus retval mask %x\n",
-					irq, retval);
-			} else {
-				printk("irq %d: nobody cared\n", irq);
-			}
-		}
-
-                if (do_random & SA_SAMPLE_RANDOM)
-                        add_interrupt_randomness(irq);
-		local_irq_disable();
-        }
-        irq_exit();
-}
-
-/* this function links in a handler into the chain of handlers for the
-   given irq, and if the irq has never been registred, the appropriate
-   handler is entered into the interrupt vector
-*/
-
-int setup_irq(int irq, struct irqaction * new)
-{
-	int shared = 0;
-	struct irqaction *old, **p;
-	unsigned long flags;
-
-	p = irq_action + irq - FIRST_IRQ;
-	if ((old = *p) != NULL) {
-		/* Can't share interrupts unless both agree to */
-		if (!(old->flags & new->flags & SA_SHIRQ))
-			return -EBUSY;
-
-		/* Can't share interrupts unless both are same type */
-		if ((old->flags ^ new->flags) & SA_INTERRUPT)
-			return -EBUSY;
-
-		/* add new interrupt at end of irq queue */
-		do {
-			p = &old->next;
-			old = *p;
-		} while (old);
-		shared = 1;
-	}
-
-	if (new->flags & SA_SAMPLE_RANDOM)
-		rand_initialize_irq(irq);
-
-	local_save_flags(flags);
-	local_irq_disable();
-	*p = new;
-
-	if (!shared) {
-		/* if the irq wasn't registred before, enter it into the vector table
-		   and unmask it physically 
-		*/
-		arch_setup_irq(irq);
-		unmask_irq(irq);
-	}
-	
-	local_irq_restore(flags);
-	return 0;
-}
-
-/* this function is called by a driver to register an irq handler
-   Valid flags:
-   SA_INTERRUPT -> it's a fast interrupt, handler called with irq disabled and
-                   no signal checking etc is performed upon exit
-   SA_SHIRQ -> the interrupt can be shared between different handlers, the handler
-                is required to check if the irq was "aimed" at it explicitely
-   SA_RANDOM -> the interrupt will add to the random generators entropy
-*/
-
-int request_irq(unsigned int irq, 
-		irqreturn_t (*handler)(int, void *, struct pt_regs *),
-		unsigned long irqflags, 
-		const char * devname,
-		void *dev_id)
-{
-	int retval;
-	struct irqaction * action;
-
-	if(!handler)
-		return -EINVAL;
-
-	/* allocate and fill in a handler structure and setup the irq */
-
-	action = (struct irqaction *)kmalloc(sizeof(struct irqaction), GFP_KERNEL);
-	if (!action)
-		return -ENOMEM;
-
-	action->handler = handler;
-	action->flags = irqflags;
-	cpus_clear(action->mask);
-	action->name = devname;
-	action->next = NULL;
-	action->dev_id = dev_id;
-
-	retval = setup_irq(irq, action);
-
-	if (retval)
-		kfree(action);
-	return retval;
-}
-
-EXPORT_SYMBOL(request_irq);
-		
-void free_irq(unsigned int irq, void *dev_id)
-{
-	struct irqaction * action, **p;
-	unsigned long flags;
-
-	if (irq >= NR_IRQS) {
-		printk("Trying to free IRQ%d\n",irq);
-		return;
+	unsigned long sp;
+	irq_enter();
+	sp = rdsp();
+	if (unlikely((sp & (PAGE_SIZE - 1)) < (PAGE_SIZE/8))) {
+		printk("do_IRQ: stack overflow: %lX\n", sp);
+		show_stack(NULL, (unsigned long *)sp);
 	}
-	for (p = irq - FIRST_IRQ + irq_action; (action = *p) != NULL; p = &action->next) {
-		if (action->dev_id != dev_id)
-			continue;
-
-		/* Found it - now free it */
-		local_save_flags(flags);
-		local_irq_disable();
-		*p = action->next;
-		if (!irq_action[irq - FIRST_IRQ]) {
-			mask_irq(irq);
-			arch_free_irq(irq);
-		}
-		local_irq_restore(flags);
-		kfree(action);
-		return;
-	}
-	printk("Trying to free free IRQ%d\n",irq);
+	__do_IRQ(irq, regs);
+        irq_exit();
 }
 
-EXPORT_SYMBOL(free_irq);
-
 void weird_irq(void)
 {
 	local_irq_disable();
@@ -288,10 +112,3 @@ void weird_irq(void)
 	while(1);
 }
 
-#if defined(CONFIG_PROC_FS) && defined(CONFIG_SYSCTL)
-/* Used by other archs to show/control IRQ steering during SMP */
-void __init
-init_irq_proc(void)
-{
-}
-#endif
diff --git a/arch/cris/kernel/module.c b/arch/cris/kernel/module.c
index f1d3e784f30c..11b867df8617 100644
--- a/arch/cris/kernel/module.c
+++ b/arch/cris/kernel/module.c
@@ -32,7 +32,7 @@ void *module_alloc(unsigned long size)
 {
 	if (size == 0)
 		return NULL;
-	return vmalloc(size);
+	return vmalloc_exec(size);
 }
 
 
@@ -59,26 +59,8 @@ int apply_relocate(Elf32_Shdr *sechdrs,
 		   unsigned int relsec,
 		   struct module *me)
 {
-	unsigned int i;
-	Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr;
-	Elf32_Sym *sym;
-	uint32_t *location;
-
-	DEBUGP("Applying relocate section %u to %u\n", relsec,
-	       sechdrs[relsec].sh_info);
-	for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
-		/* This is where to make the change */
-		location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_offset
-			+ rel[i].r_offset;
-		/* This is the symbol it is referring to.  Note that all
-		   undefined symbols have been resolved.  */
-		sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
-			+ ELF32_R_SYM(rel[i].r_info);
-
-                /* We add the value into the location given */
-                *location += sym->st_value;
-	}
-	return 0;
+	printk(KERN_ERR "module %s: REL relocation unsupported\n", me->name);
+	return -ENOEXEC;
 }
 
 int apply_relocate_add(Elf32_Shdr *sechdrs,
@@ -90,7 +72,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
   	unsigned int i;
 	Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr;
 
-	DEBUGP ("Applying relocate section %u to %u\n", relsec,
+	DEBUGP ("Applying add relocate section %u to %u\n", relsec,
 		sechdrs[relsec].sh_info);
 
 	for (i = 0; i < sechdrs[relsec].sh_size / sizeof (*rela); i++) {
@@ -103,7 +85,18 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
 		Elf32_Sym *sym
 			= ((Elf32_Sym *)sechdrs[symindex].sh_addr
 			   + ELF32_R_SYM (rela[i].r_info));
-		*loc = sym->st_value + rela[i].r_addend;
+		switch (ELF32_R_TYPE(rela[i].r_info)) {
+		case R_CRIS_32:
+			*loc = sym->st_value + rela[i].r_addend;
+			break;
+		case R_CRIS_32_PCREL:
+			*loc = sym->st_value - (unsigned)loc + rela[i].r_addend - 4;
+			 break;
+		default:
+			printk(KERN_ERR "module %s: Unknown relocation: %u\n",
+			       me->name, ELF32_R_TYPE(rela[i].r_info));
+			return -ENOEXEC;
+		}
 	}
 
 	return 0;
diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c
index a5ad2b675853..949a0e40e03c 100644
--- a/arch/cris/kernel/process.c
+++ b/arch/cris/kernel/process.c
@@ -1,4 +1,4 @@
-/* $Id: process.c,v 1.17 2004/04/05 13:53:48 starvik Exp $
+/* $Id: process.c,v 1.21 2005/03/04 08:16:17 starvik Exp $
  * 
  *  linux/arch/cris/kernel/process.c
  *
@@ -8,6 +8,18 @@
  *  Authors:   Bjorn Wesen (bjornw@axis.com)
  *
  *  $Log: process.c,v $
+ *  Revision 1.21  2005/03/04 08:16:17  starvik
+ *  Merge of Linux 2.6.11.
+ *
+ *  Revision 1.20  2005/01/18 05:57:22  starvik
+ *  Renamed hlt_counter to cris_hlt_counter and made it global.
+ *
+ *  Revision 1.19  2004/10/19 13:07:43  starvik
+ *  Merge of Linux 2.6.9
+ *
+ *  Revision 1.18  2004/08/16 12:37:23  starvik
+ *  Merge of Linux 2.6.8
+ *
  *  Revision 1.17  2004/04/05 13:53:48  starvik
  *  Merge of Linux 2.6.5
  *
@@ -161,18 +173,18 @@ EXPORT_SYMBOL(init_task);
  * region by enable_hlt/disable_hlt.
  */
 
-static int hlt_counter=0;
+int cris_hlt_counter=0;
 
 void disable_hlt(void)
 {
-	hlt_counter++;
+	cris_hlt_counter++;
 }
 
 EXPORT_SYMBOL(disable_hlt);
 
 void enable_hlt(void)
 {
-	hlt_counter--;
+	cris_hlt_counter--;
 }
 
 EXPORT_SYMBOL(enable_hlt);
@@ -195,16 +207,19 @@ void cpu_idle (void)
 	/* endless idle loop with no priority at all */
 	while (1) {
 		while (!need_resched()) {
-			void (*idle)(void) = pm_idle;
-
+			void (*idle)(void);
+			/*
+			 * Mark this as an RCU critical section so that
+			 * synchronize_kernel() in the unload path waits
+			 * for our completion.
+			 */
+			idle = pm_idle;
 			if (!idle)
 				idle = default_idle;
-
 			idle();
 		}
 		schedule();
 	}
-
 }
 
 void hard_reset_now (void);
diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c
new file mode 100644
index 000000000000..69c52189f044
--- /dev/null
+++ b/arch/cris/kernel/profile.c
@@ -0,0 +1,73 @@
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/proc_fs.h>
+#include <linux/types.h>
+#include <asm/ptrace.h>
+#include <asm/uaccess.h>
+
+#define SAMPLE_BUFFER_SIZE 8192
+
+static char* sample_buffer;
+static char* sample_buffer_pos;
+static int prof_running = 0;
+
+void
+cris_profile_sample(struct pt_regs* regs)
+{
+  if (!prof_running)
+    return;
+  if (user_mode(regs))
+    *(unsigned int*)sample_buffer_pos = current->pid;
+  else
+    *(unsigned int*)sample_buffer_pos = 0;
+  *(unsigned int*)(sample_buffer_pos + 4) = instruction_pointer(regs);
+  sample_buffer_pos += 8;
+  if (sample_buffer_pos == sample_buffer + SAMPLE_BUFFER_SIZE)
+    sample_buffer_pos = sample_buffer;
+}
+
+static ssize_t
+read_cris_profile(struct file *file, char __user *buf, size_t count, loff_t *ppos)
+{
+  unsigned long p = *ppos;
+  if (p > SAMPLE_BUFFER_SIZE)
+    return 0;
+  if (p + count > SAMPLE_BUFFER_SIZE)
+    count = SAMPLE_BUFFER_SIZE - p;
+  if (copy_to_user(buf, sample_buffer + p,count))
+		return -EFAULT;
+  memset(sample_buffer + p, 0, count);
+  *ppos += count;
+  return count;
+}
+
+static ssize_t
+write_cris_profile(struct file *file, const char __user *buf,
+              size_t count, loff_t *ppos)
+{
+  sample_buffer_pos = sample_buffer;
+  memset(sample_buffer, 0, SAMPLE_BUFFER_SIZE);
+}
+
+static struct file_operations cris_proc_profile_operations = {
+	.read		= read_cris_profile,
+	.write		= write_cris_profile,
+};
+
+static int
+__init init_cris_profile(void)
+{
+  struct proc_dir_entry *entry;
+  sample_buffer = (char*)kmalloc(SAMPLE_BUFFER_SIZE, GFP_KERNEL);
+  sample_buffer_pos = sample_buffer;
+  entry = create_proc_entry("system_profile", S_IWUSR | S_IRUGO, NULL);
+  if (entry) {
+    entry->proc_fops = &cris_proc_profile_operations;
+    entry->size = SAMPLE_BUFFER_SIZE;
+  }
+  prof_running = 1;
+  return 0;
+}
+
+__initcall(init_cris_profile);
diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c
index e85a2fdd9acf..2b6363cbe985 100644
--- a/arch/cris/kernel/ptrace.c
+++ b/arch/cris/kernel/ptrace.c
@@ -8,6 +8,12 @@
  * Authors:   Bjorn Wesen
  *
  * $Log: ptrace.c,v $
+ * Revision 1.10  2004/09/22 11:50:01  orjanf
+ * * Moved get_reg/put_reg to arch-specific files.
+ * * Added functions to access debug registers (CRISv32).
+ * * Added support for PTRACE_SINGLESTEP (CRISv32).
+ * * Added S flag to CCS_MASK (CRISv32).
+ *
  * Revision 1.9  2003/07/04 12:56:11  tobiasa
  * Moved arch-specific code to arch-specific files.
  *
@@ -72,37 +78,6 @@
 #include <asm/system.h>
 #include <asm/processor.h>
 
-/*
- * Get contents of register REGNO in task TASK.
- */
-inline long get_reg(struct task_struct *task, unsigned int regno)
-{
-	/* USP is a special case, it's not in the pt_regs struct but
-	 * in the tasks thread struct
-	 */
-
-	if (regno == PT_USP)
-		return task->thread.usp;
-	else if (regno < PT_MAX)
-		return ((unsigned long *)user_regs(task->thread_info))[regno];
-	else
-		return 0;
-}
-
-/*
- * Write contents of register REGNO in task TASK.
- */
-inline int put_reg(struct task_struct *task, unsigned int regno,
-			  unsigned long data)
-{
-	if (regno == PT_USP)
-		task->thread.usp = data;
-	else if (regno < PT_MAX)
-		((unsigned long *)user_regs(task->thread_info))[regno] = data;
-	else
-		return -1;
-	return 0;
-}
 
 /* notification of userspace execution resumption
  * - triggered by current->work.notify_resume
diff --git a/arch/cris/kernel/setup.c b/arch/cris/kernel/setup.c
index 6ec2671078bf..d11206e467ab 100644
--- a/arch/cris/kernel/setup.c
+++ b/arch/cris/kernel/setup.c
@@ -17,6 +17,7 @@
 #include <asm/pgtable.h>
 #include <linux/seq_file.h>
 #include <linux/tty.h>
+#include <linux/utsname.h>
 
 #include <asm/setup.h>
 
@@ -29,7 +30,7 @@ struct screen_info screen_info;
 extern int root_mountflags;
 extern char _etext, _edata, _end;
 
-static char command_line[COMMAND_LINE_SIZE] = { 0, };
+char cris_command_line[COMMAND_LINE_SIZE] = { 0, };
 
 extern const unsigned long text_start, edata; /* set by the linker script */
 extern unsigned long dram_start, dram_end;
@@ -147,34 +148,35 @@ setup_arch(char **cmdline_p)
 
 	paging_init();
 
-	/* We don't use a command line yet, so just re-initialize it without
-	   saving anything that might be there.  */
-
-	*cmdline_p = command_line;
+	*cmdline_p = cris_command_line;
 
 #ifdef CONFIG_ETRAX_CMDLINE
-	strlcpy(command_line, CONFIG_ETRAX_CMDLINE, COMMAND_LINE_SIZE);
-	command_line[COMMAND_LINE_SIZE - 1] = '\0';
+        if (!strcmp(cris_command_line, "")) {
+		strlcpy(cris_command_line, CONFIG_ETRAX_CMDLINE, COMMAND_LINE_SIZE);
+		cris_command_line[COMMAND_LINE_SIZE - 1] = '\0';
+	}
+#endif
 
 	/* Save command line for future references. */
-	memcpy(saved_command_line, command_line, COMMAND_LINE_SIZE);
+	memcpy(saved_command_line, cris_command_line, COMMAND_LINE_SIZE);
 	saved_command_line[COMMAND_LINE_SIZE - 1] = '\0';
-#endif
 
 	/* give credit for the CRIS port */
 	show_etrax_copyright();
+
+	/* Setup utsname */
+	strcpy(system_utsname.machine, cris_machine_name);
 }
 
 static void *c_start(struct seq_file *m, loff_t *pos)
 {
-	/* We only got one CPU... */
-	return *pos < 1 ? (void *)1 : NULL;
+	return *pos < NR_CPUS ? (void *)(int)(*pos + 1): NULL;
 }
 
 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
 {
 	++*pos;
-	return NULL;
+	return c_start(m, pos);
 }
 
 static void c_stop(struct seq_file *m, void *v)
diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c
index 6c28b0e7f7b4..fa2d4323da25 100644
--- a/arch/cris/kernel/time.c
+++ b/arch/cris/kernel/time.c
@@ -1,4 +1,4 @@
-/* $Id: time.c,v 1.14 2004/06/01 05:38:11 starvik Exp $
+/* $Id: time.c,v 1.18 2005/03/04 08:16:17 starvik Exp $
  *
  *  linux/arch/cris/kernel/time.c
  *
@@ -30,6 +30,7 @@
 #include <linux/bcd.h>
 #include <linux/timex.h>
 #include <linux/init.h>
+#include <linux/profile.h>
 
 u64 jiffies_64 = INITIAL_JIFFIES;
 
@@ -214,6 +215,21 @@ update_xtime_from_cmos(void)
 	}
 }
 
+extern void cris_profile_sample(struct pt_regs* regs);
+
+void
+cris_do_profile(struct pt_regs* regs)
+{
+
+#if CONFIG_SYSTEM_PROFILER
+        cris_profile_sample(regs);
+#endif
+
+#if CONFIG_PROFILING
+        profile_tick(CPU_PROFILING, regs);
+#endif
+}
+
 /*
  * Scheduler clock - returns current time in nanosec units.
  */
diff --git a/arch/cris/kernel/traps.c b/arch/cris/kernel/traps.c
index d4dfa050e3a5..520d92205fed 100644
--- a/arch/cris/kernel/traps.c
+++ b/arch/cris/kernel/traps.c
@@ -1,4 +1,4 @@
-/* $Id: traps.c,v 1.9 2004/05/11 12:28:26 starvik Exp $
+/* $Id: traps.c,v 1.11 2005/01/24 16:03:19 orjanf Exp $
  *
  *  linux/arch/cris/traps.c
  *
@@ -20,13 +20,15 @@
 
 static int kstack_depth_to_print = 24;
 
+extern int raw_printk(const char *fmt, ...);
+
 void show_trace(unsigned long * stack)
 {
 	unsigned long addr, module_start, module_end;
 	extern char _stext, _etext;
 	int i;
 
-        printk("\nCall Trace: ");
+        raw_printk("\nCall Trace: ");
 
         i = 1;
         module_start = VMALLOC_START;
@@ -37,7 +39,7 @@ void show_trace(unsigned long * stack)
 			/* This message matches "failing address" marked
 			   s390 in ksymoops, so lines containing it will
 			   not be filtered out by ksymoops.  */
-			printk ("Failing address 0x%lx\n", (unsigned long)stack);
+			raw_printk ("Failing address 0x%lx\n", (unsigned long)stack);
 			break;
 		}
 		stack++;
@@ -54,8 +56,8 @@ void show_trace(unsigned long * stack)
                      (addr <= (unsigned long) &_etext)) ||
                     ((addr >= module_start) && (addr <= module_end))) {
                         if (i && ((i % 8) == 0))
-                                printk("\n       ");
-                        printk("[<%08lx>] ", addr);
+                                raw_printk("\n       ");
+                        raw_printk("[<%08lx>] ", addr);
                         i++;
                 }
         }
@@ -96,25 +98,59 @@ show_stack(struct task_struct *task, unsigned long *sp)
 
         stack = sp;
 
-	printk("\nStack from %08lx:\n       ", (unsigned long)stack);
+	raw_printk("\nStack from %08lx:\n       ", (unsigned long)stack);
         for(i = 0; i < kstack_depth_to_print; i++) {
                 if (((long) stack & (THREAD_SIZE-1)) == 0)
                         break;
                 if (i && ((i % 8) == 0))
-                        printk("\n       ");
+                        raw_printk("\n       ");
 		if (__get_user (addr, stack)) {
 			/* This message matches "failing address" marked
 			   s390 in ksymoops, so lines containing it will
 			   not be filtered out by ksymoops.  */
-			printk ("Failing address 0x%lx\n", (unsigned long)stack);
+			raw_printk ("Failing address 0x%lx\n", (unsigned long)stack);
 			break;
 		}
 		stack++;
-		printk("%08lx ", addr);
+		raw_printk("%08lx ", addr);
         }
 	show_trace(sp);
 }
 
+static void (*nmi_handler)(struct pt_regs*);
+extern void arch_enable_nmi(void);
+
+void set_nmi_handler(void (*handler)(struct pt_regs*))
+{
+  nmi_handler = handler;
+  arch_enable_nmi();
+}
+
+void handle_nmi(struct pt_regs* regs)
+{
+  if (nmi_handler)
+    nmi_handler(regs);
+}
+
+#ifdef CONFIG_DEBUG_NMI_OOPS
+void oops_nmi_handler(struct pt_regs* regs)
+{
+  stop_watchdog();
+  raw_printk("NMI!\n");
+  show_registers(regs);
+}
+
+static int
+__init oops_nmi_register(void)
+{
+  set_nmi_handler(oops_nmi_handler);
+  return 0;
+}
+
+__initcall(oops_nmi_register);
+
+#endif
+
 #if 0
 /* displays a short stack trace */
 
@@ -123,9 +159,9 @@ show_stack()
 {
 	unsigned long *sp = (unsigned long *)rdusp();
 	int i;
-	printk("Stack dump [0x%08lx]:\n", (unsigned long)sp);
+	raw_printk("Stack dump [0x%08lx]:\n", (unsigned long)sp);
 	for(i = 0; i < 16; i++)
-		printk("sp + %d: 0x%08lx\n", i*4, sp[i]);
+		raw_printk("sp + %d: 0x%08lx\n", i*4, sp[i]);
 	return 0;
 }
 #endif
@@ -142,3 +178,9 @@ trap_init(void)
 {
 	/* Nothing needs to be done */
 }
+
+void spinning_cpu(void* addr)
+{
+  raw_printk("CPU %d spinning on %X\n", smp_processor_id(), addr);
+  dump_stack();
+}