diff options
Diffstat (limited to 'arch/microblaze/kernel/process.c')
| -rw-r--r-- | arch/microblaze/kernel/process.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c index 436f26ccbfa9..07d4fa339eda 100644 --- a/arch/microblaze/kernel/process.c +++ b/arch/microblaze/kernel/process.c @@ -18,7 +18,7 @@ void show_regs(struct pt_regs *regs) { - printk(KERN_INFO " Registers dump: mode=%X\r\n", regs->kernel_mode); + printk(KERN_INFO " Registers dump: mode=%X\r\n", regs->pt_mode); printk(KERN_INFO " r1=%08lX, r2=%08lX, r3=%08lX, r4=%08lX\n", regs->r1, regs->r2, regs->r3, regs->r4); printk(KERN_INFO " r5=%08lX, r6=%08lX, r7=%08lX, r8=%08lX\n", @@ -37,8 +37,6 @@ void show_regs(struct pt_regs *regs) regs->r29, regs->r30, regs->r31, regs->pc); printk(KERN_INFO " msr=%08lX, ear=%08lX, esr=%08lX, fsr=%08lX\n", regs->msr, regs->ear, regs->esr, regs->fsr); - while (1) - ; } void (*pm_idle)(void); @@ -163,7 +161,6 @@ static void kernel_thread_helper(int (*fn)(void *), void *arg) int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) { struct pt_regs regs; - int ret; memset(®s, 0, sizeof(regs)); /* store them in non-volatile registers */ @@ -171,12 +168,10 @@ int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) regs.r6 = (unsigned long)arg; local_save_flags(regs.msr); regs.pc = (unsigned long)kernel_thread_helper; - regs.kernel_mode = 1; + regs.pt_mode = 1; - ret = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, + return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL); - - return ret; } unsigned long get_wchan(struct task_struct *p) @@ -184,3 +179,12 @@ unsigned long get_wchan(struct task_struct *p) /* TBD (used by procfs) */ return 0; } + +/* Set up a thread for executing a new program */ +void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp) +{ + set_fs(USER_DS); + regs->pc = pc; + regs->r1 = usp; + regs->pt_mode = 0; +} |