diff options
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/kernel/cpu/common.c | 2 | ||||
| -rw-r--r-- | arch/i386/kernel/process.c | 12 | ||||
| -rw-r--r-- | arch/i386/kernel/signal.c | 2 | ||||
| -rw-r--r-- | arch/i386/kernel/traps.c | 6 | ||||
| -rw-r--r-- | arch/i386/power/cpu.c | 14 |
5 files changed, 17 insertions, 19 deletions
diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c index d199e52..b995424 100644 --- a/arch/i386/kernel/cpu/common.c +++ b/arch/i386/kernel/cpu/common.c @@ -635,7 +635,7 @@ void __init cpu_init (void) /* Clear all 6 debug registers: */ -#define CD(register) __asm__("movl %0,%%db" #register ::"r"(0) ); +#define CD(register) set_debugreg(0, register) CD(0); CD(1); CD(2); CD(3); /* no db4 and db5 */; CD(6); CD(7); diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index 3c3f245..2468ab7 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -633,13 +633,13 @@ struct task_struct fastcall * __switch_to(struct task_struct *prev_p, struct tas * Now maybe reload the debug registers */ if (unlikely(next->debugreg[7])) { - loaddebug(next, 0); - loaddebug(next, 1); - loaddebug(next, 2); - loaddebug(next, 3); + set_debugreg(current->thread.debugreg[0], 0); + set_debugreg(current->thread.debugreg[1], 1); + set_debugreg(current->thread.debugreg[2], 2); + set_debugreg(current->thread.debugreg[3], 3); /* no 4 and 5 */ - loaddebug(next, 6); - loaddebug(next, 7); + set_debugreg(current->thread.debugreg[6], 6); + set_debugreg(current->thread.debugreg[7], 7); } if (unlikely(prev->io_bitmap_ptr || next->io_bitmap_ptr)) diff --git a/arch/i386/kernel/signal.c b/arch/i386/kernel/signal.c index 3444007..839d4dc 100644 --- a/arch/i386/kernel/signal.c +++ b/arch/i386/kernel/signal.c @@ -624,7 +624,7 @@ int fastcall do_signal(struct pt_regs *regs, sigset_t *oldset) * inside the kernel. */ if (unlikely(current->thread.debugreg[7])) { - loaddebug(¤t->thread, 7); + set_debugreg(current->thread.debugreg[7], 7); } /* Whee! Actually deliver the signal. */ diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 7f72966..c01d7ba 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -685,7 +685,7 @@ fastcall void do_debug(struct pt_regs * regs, long error_code) unsigned int condition; struct task_struct *tsk = current; - __asm__ __volatile__("movl %%db6,%0" : "=r" (condition)); + get_debugreg(condition, 6); if (notify_die(DIE_DEBUG, "debug", regs, condition, error_code, SIGTRAP) == NOTIFY_STOP) @@ -727,9 +727,7 @@ fastcall void do_debug(struct pt_regs * regs, long error_code) * the signal is delivered. */ clear_dr7: - __asm__("movl %0,%%db7" - : /* no output */ - : "r" (0)); + set_debugreg(0, 7); return; debug_vm86: diff --git a/arch/i386/power/cpu.c b/arch/i386/power/cpu.c index cf337c6..6f521cf 100644 --- a/arch/i386/power/cpu.c +++ b/arch/i386/power/cpu.c @@ -94,13 +94,13 @@ static void fix_processor_context(void) * Now maybe reload the debug registers */ if (current->thread.debugreg[7]){ - loaddebug(¤t->thread, 0); - loaddebug(¤t->thread, 1); - loaddebug(¤t->thread, 2); - loaddebug(¤t->thread, 3); - /* no 4 and 5 */ - loaddebug(¤t->thread, 6); - loaddebug(¤t->thread, 7); + set_debugreg(current->thread.debugreg[0], 0); + set_debugreg(current->thread.debugreg[1], 1); + set_debugreg(current->thread.debugreg[2], 2); + set_debugreg(current->thread.debugreg[3], 3); + /* no 4 and 5 */ + set_debugreg(current->thread.debugreg[6], 6); + set_debugreg(current->thread.debugreg[7], 7); } } |