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Diffstat (limited to 'arch/sh/kernel/process_32.c')
-rw-r--r--arch/sh/kernel/process_32.c36
1 files changed, 26 insertions, 10 deletions
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 3326a45..b965f02 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -7,7 +7,11 @@
*
* SuperH version: Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima
* Copyright (C) 2006 Lineo Solutions Inc. support SH4A UBC
- * Copyright (C) 2002 - 2007 Paul Mundt
+ * Copyright (C) 2002 - 2008 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
*/
#include <linux/module.h>
#include <linux/mm.h>
@@ -26,6 +30,7 @@
#include <asm/system.h>
#include <asm/ubc.h>
#include <asm/fpu.h>
+#include <asm/syscalls.h>
static int hlt_counter;
int ubc_usercnt = 0;
@@ -111,15 +116,21 @@ void show_regs(struct pt_regs * regs)
{
printk("\n");
printk("Pid : %d, Comm: %20s\n", task_pid_nr(current), current->comm);
+ printk("CPU : %d %s (%s %.*s)\n",
+ smp_processor_id(), print_tainted(), init_utsname()->release,
+ (int)strcspn(init_utsname()->version, " "),
+ init_utsname()->version);
+
print_symbol("PC is at %s\n", instruction_pointer(regs));
+ print_symbol("PR is at %s\n", regs->pr);
+
printk("PC : %08lx SP : %08lx SR : %08lx ",
regs->pc, regs->regs[15], regs->sr);
#ifdef CONFIG_MMU
- printk("TEA : %08x ", ctrl_inl(MMU_TEA));
+ printk("TEA : %08x\n", ctrl_inl(MMU_TEA));
#else
- printk(" ");
+ printk("\n");
#endif
- printk("%s\n", print_tainted());
printk("R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n",
regs->regs[0],regs->regs[1],
@@ -162,6 +173,7 @@ __asm__(".align 5\n"
int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
{
struct pt_regs regs;
+ int pid;
memset(&regs, 0, sizeof(regs));
regs.regs[4] = (unsigned long)arg;
@@ -171,8 +183,12 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
regs.sr = (1 << 30);
/* Ok, create the new process.. */
- return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0,
- &regs, 0, NULL, NULL);
+ pid = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0,
+ &regs, 0, NULL, NULL);
+
+ trace_mark(kernel_arch_kthread_create, "pid %d fn %p", pid, fn);
+
+ return pid;
}
/*
@@ -210,10 +226,10 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
struct task_struct *tsk = current;
fpvalid = !!tsk_used_math(tsk);
- if (fpvalid) {
- unlazy_fpu(tsk, regs);
- memcpy(fpu, &tsk->thread.fpu.hard, sizeof(*fpu));
- }
+ if (fpvalid)
+ fpvalid = !fpregs_get(tsk, NULL, 0,
+ sizeof(struct user_fpu_struct),
+ fpu, NULL);
#endif
return fpvalid;