2 * Copyright IBM Corp. 1999, 2009
4 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
7 #ifndef __ASM_CTL_REG_H
8 #define __ASM_CTL_REG_H
10 #include <linux/bug.h>
12 #define __ctl_load(array, low, high) do { \
13 typedef struct { char _[sizeof(array)]; } addrtype; \
15 BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\
19 : "Q" (*(addrtype *)(&array)), "i" (low), "i" (high) \
23 #define __ctl_store(array, low, high) do { \
24 typedef struct { char _[sizeof(array)]; } addrtype; \
26 BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\
29 : "=Q" (*(addrtype *)(&array)) \
30 : "i" (low), "i" (high)); \
33 static inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
37 __ctl_store(reg, cr, cr);
39 __ctl_load(reg, cr, cr);
42 static inline void __ctl_clear_bit(unsigned int cr, unsigned int bit)
46 __ctl_store(reg, cr, cr);
48 __ctl_load(reg, cr, cr);
51 void smp_ctl_set_bit(int cr, int bit);
52 void smp_ctl_clear_bit(int cr, int bit);
59 unsigned long lap : 1; /* Low-address-protection control */
61 unsigned long edat : 1; /* Enhanced-DAT-enablement control */
63 unsigned long iep : 1; /* Instruction-Execution-Protection */
65 unsigned long afp : 1; /* AFP-register control */
66 unsigned long vx : 1; /* Vector enablement control */
68 unsigned long sssm : 1; /* Service signal subclass mask */
74 # define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit)
75 # define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit)
77 # define ctl_set_bit(cr, bit) __ctl_set_bit(cr, bit)
78 # define ctl_clear_bit(cr, bit) __ctl_clear_bit(cr, bit)
81 #endif /* __ASM_CTL_REG_H */