157 lines
3.1 KiB
C
157 lines
3.1 KiB
C
#ifndef _E2K_MAS_H_
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#define _E2K_MAS_H_
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#include <linux/types.h>
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#include <uapi/asm/mas.h>
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#ifndef __ASSEMBLY__
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/* new in iset v6 */
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typedef union {
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struct {
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u8 mod : 3;
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u8 opc : 4;
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u8 : 1;
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} masf1;
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struct {
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u8 mod : 3;
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u8 be : 1;
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u8 m1 : 1 /* == 0 */;
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u8 dc_ch : 2;
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u8 : 1;
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} masf2;
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struct {
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u8 mod : 3 /* == 3,7 */;
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u8 be : 1;
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u8 m1 : 1 /* == 1 */;
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u8 m3 : 1;
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u8 mt : 1;
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u8 : 1;
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} masf3;
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struct {
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u8 m2 : 2;
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u8 ch1 : 1;
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u8 be : 1;
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u8 m1 : 1 /* == 1 */;
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u8 dc_ch : 2;
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u8 : 1;
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} masf4;
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u8 word;
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} e2k_v6_mas_t;
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# define MAS_MT_0 0
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# define MAS_MT_1 1
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# define MAS_STORE_RELEASE_V6(_mt) \
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({ \
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e2k_v6_mas_t __mas = { \
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.masf3.mod = 3, \
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.masf3.be = 0, \
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.masf3.m1 = 1, \
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.masf3.m3 = 0, \
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.masf3.mt = (_mt) \
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}; \
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__mas.word; \
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})
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# define MAS_LOAD_ACQUIRE_V6(_mt) \
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({ \
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e2k_v6_mas_t __mas = { \
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.masf3.mod = 3, \
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.masf3.be = 0, \
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.masf3.m1 = 1, \
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.masf3.m3 = 0, \
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.masf3.mt = (_mt) \
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}; \
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__mas.word; \
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})
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# define MAS_LOAD_ACQUIRE_V6(_mt) \
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({ \
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e2k_v6_mas_t __mas = { \
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.masf3.mod = 3, \
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.masf3.be = 0, \
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.masf3.m1 = 1, \
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.masf3.m3 = 0, \
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.masf3.mt = (_mt) \
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}; \
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__mas.word; \
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})
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/* Only ALC0 or ALC0/ALC2 for quadro */
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# define MAS_WATCH_FOR_MODIFICATION_V6 \
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({ \
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e2k_v6_mas_t __mas = { \
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.masf4.m1 = 1, \
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.masf4.m2 = 1 \
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}; \
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__mas.word; \
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})
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/* Note that 'root', 'spec' and 'store' must also be checked */
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static inline bool is_mas_secondary_lock_trap_on_store(unsigned int mas)
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{
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return (mas & 3) == 1;
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}
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/* Note that 'root', 'spec' and 'store' must also be checked */
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static inline bool is_mas_secondary_lock_trap_on_load_store(unsigned int mas)
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{
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return (mas & 3) == 2;
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}
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/* Note that 'chan', 'spec' and 'store' must also be checked */
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static inline bool is_mas_special_mmu_aau(unsigned int mas)
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{
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return (mas & 7) == 7;
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}
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/* mas is conflict check between ld and st */
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static inline bool is_mas_check(unsigned int mas)
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{
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unsigned int m1 = (mas >> 3) & 0x2;
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unsigned int big_endian = (mas >> 3) & 0x1;
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unsigned int mod = mas & 0x7;
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return m1 == 0x0 && mod == 0x2 && !big_endian;
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}
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/* mas is conflict check with unlock between ld and st */
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static inline bool is_mas_check_unlock(unsigned int mas)
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{
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unsigned int m1 = (mas >> 3) & 0x2;
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unsigned int big_endian = (mas >> 3) & 0x1;
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unsigned int mod = mas & 0x7;
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return m1 == 0x0 && mod == 0x3 && !big_endian;
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}
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/* mas is semi-speculative conflict lock check between ld and st */
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static inline bool is_mas_lock_check(unsigned int mas)
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{
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unsigned int m1 = (mas >> 3) & 0x2;
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unsigned int big_endian = (mas >> 3) & 0x1;
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unsigned int mod = mas & 0x7;
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unsigned int m2 = mas & 0x3;
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return (m1 == 0x0 && mod == 0x4 || m1 == 0x1 && m2 == 0x1) &&
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!big_endian;
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}
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/* mas is speculative conflict lock check between ld and st */
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static inline bool is_mas_spec_lock_check(unsigned int mas)
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{
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unsigned int m1 = (mas >> 3) & 0x2;
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unsigned int big_endian = (mas >> 3) & 0x1;
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unsigned int mod = mas & 0x7;
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unsigned int m2 = mas & 0x3;
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return (m1 == 0x0 && mod == 0x7 || m1 == 0x1 && m2 == 0x3) &&
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!big_endian;
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}
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#endif
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#endif /* _E2K_MAS_H_ */
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