X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Ffrv%2Fkernel%2Fprocess.c;h=9583a338e9d6022b7529dcffa34201917502151d;hb=8defab33774a5c33920196a2ee9c0a946d22ba67;hp=54a452136f00e8f93cabd0bcdf8e5a450d662b26;hpb=78b9c0f91cf908616b8f9f356e1d1220e727ea88;p=linux-2.6

diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 54a452136f..9583a338e9 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -10,7 +10,7 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/config.h>
+#include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
@@ -25,11 +25,14 @@
 #include <linux/elf.h>
 #include <linux/reboot.h>
 #include <linux/interrupt.h>
+#include <linux/pagemap.h>
 
+#include <asm/asm-offsets.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <asm/setup.h>
 #include <asm/pgtable.h>
+#include <asm/tlb.h>
 #include <asm/gdb-stub.h>
 #include <asm/mb-regs.h>
 
@@ -39,6 +42,9 @@ asmlinkage void ret_from_fork(void);
 
 #include <asm/pgalloc.h>
 
+void (*pm_power_off)(void);
+EXPORT_SYMBOL(pm_power_off);
+
 struct task_struct *alloc_task_struct(void)
 {
 	struct task_struct *p = kmalloc(THREAD_SIZE, GFP_KERNEL);
@@ -84,6 +90,8 @@ void cpu_idle(void)
 		while (!need_resched()) {
 			irq_stat[cpu].idle_timestamp = jiffies;
 
+			check_pgt_cache();
+
 			if (!frv_dma_inprogress && idle)
 				idle();
 		}
@@ -204,7 +212,7 @@ int copy_thread(int nr, unsigned long clone_flags,
 
 	regs0 = __kernel_frame0_ptr;
 	childregs0 = (struct pt_regs *)
-		((unsigned long) p->thread_info + THREAD_SIZE - USER_CONTEXT_SIZE);
+		(task_stack_page(p) + THREAD_SIZE - FRV_FRAME0_SIZE);
 	childregs = childregs0;
 
 	/* set up the userspace frame (the only place that the USP is stored) */
@@ -220,7 +228,7 @@ int copy_thread(int nr, unsigned long clone_flags,
 		*childregs = *regs;
 		childregs->sp = (unsigned long) childregs0;
 		childregs->next_frame = childregs0;
-		childregs->gr15 = (unsigned long) p->thread_info;
+		childregs->gr15 = (unsigned long) task_thread_info(p);
 		childregs->gr29 = (unsigned long) p;
 	}
 
@@ -243,32 +251,10 @@ int copy_thread(int nr, unsigned long clone_flags,
 	return 0;
 } /* end copy_thread() */
 
-/*
- * fill in the user structure for a core dump..
- */
-void dump_thread(struct pt_regs *regs, struct user *dump)
-{
-#if 0
-	/* changed the size calculations - should hopefully work better. lbt */
-	dump->magic = CMAGIC;
-	dump->start_code = 0;
-	dump->start_stack = user_stack(regs) & ~(PAGE_SIZE - 1);
-	dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT;
-	dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT;
-	dump->u_dsize -= dump->u_tsize;
-	dump->u_ssize = 0;
-
-	if (dump->start_stack < TASK_SIZE)
-		dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT;
-
-	dump->regs = *(struct user_context *) regs;
-#endif
-}
-
 /*
  * sys_execve() executes a new program.
  */
-asmlinkage int sys_execve(char *name, char **argv, char **envp)
+asmlinkage int sys_execve(char __user *name, char __user * __user *argv, char __user * __user *envp)
 {
 	int error;
 	char * filename;
@@ -390,3 +376,11 @@ int elf_check_arch(const struct elf32_hdr *hdr)
 
 	return 1;
 }
+
+int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpregs)
+{
+	memcpy(fpregs,
+	       &current->thread.user->f,
+	       sizeof(current->thread.user->f));
+	return 1;
+}