| Al Viro | 27f85f1 | 2011-08-18 20:02:59 +0100 | [diff] [blame] | 1 | #ifndef __UM_PROCESSOR_H |
| 2 | #define __UM_PROCESSOR_H |
| 3 | |
| 4 | /* include faultinfo structure */ |
| 5 | #include <sysdep/faultinfo.h> |
| 6 | |
| 7 | #ifdef CONFIG_X86_32 |
| 8 | # include "processor_32.h" |
| 9 | #else |
| 10 | # include "processor_64.h" |
| 11 | #endif |
| 12 | |
| Al Viro | a10c95d | 2011-08-18 20:12:09 +0100 | [diff] [blame] | 13 | #define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP) |
| Al Viro | cc11f9e | 2011-11-21 03:52:18 +0000 | [diff] [blame] | 14 | #define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP) |
| Al Viro | a10c95d | 2011-08-18 20:12:09 +0100 | [diff] [blame] | 15 | #define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP) |
| 16 | |
| Al Viro | c7ea591 | 2011-08-18 20:10:19 +0100 | [diff] [blame] | 17 | #define ARCH_IS_STACKGROW(address) \ |
| 18 | (address + 65536 + 32 * sizeof(unsigned long) >= UPT_SP(¤t->thread.regs.regs)) |
| 19 | |
| Al Viro | c56334d | 2011-11-20 17:23:39 -0500 | [diff] [blame] | 20 | #include <asm/user.h> |
| 21 | |
| 22 | /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ |
| 23 | static inline void rep_nop(void) |
| 24 | { |
| 25 | __asm__ __volatile__("rep;nop": : :"memory"); |
| 26 | } |
| 27 | |
| Davidlohr Bueso | 3a6bfbc | 2014-06-29 15:09:33 -0700 | [diff] [blame] | 28 | #define cpu_relax() rep_nop() |
| Al Viro | c56334d | 2011-11-20 17:23:39 -0500 | [diff] [blame] | 29 | |
| Richard Weinberger | f8d65d2 | 2015-05-12 00:17:28 +0200 | [diff] [blame] | 30 | #define task_pt_regs(t) (&(t)->thread.regs) |
| 31 | |
| Al Viro | 27f85f1 | 2011-08-18 20:02:59 +0100 | [diff] [blame] | 32 | #include <asm/processor-generic.h> |
| 33 | |
| 34 | #endif |