169 строки
3.0 KiB
NASM
169 строки
3.0 KiB
NASM
START_FILE
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TEXT
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ALIGN(4)
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START_FUNC(opal_atomic_mb)
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sync
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blr
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END_FUNC(opal_atomic_mb)
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START_FUNC(opal_atomic_rmb)
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lwsync
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blr
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END_FUNC(opal_atomic_rmb)
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START_FUNC(opal_atomic_wmb)
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eieio
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blr
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END_FUNC(opal_atomic_wmb)
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START_FUNC(opal_atomic_cmpset_32)
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LSYM(1) lwarx r0, 0, r3
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cmpw 0, r0, r4
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bne- REFLSYM(2)
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stwcx. r5, 0, r3
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bne- REFLSYM(1)
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LSYM(2)
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xor r3,r0,r4
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subfic r5,r3,0
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adde r3,r5,r3
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blr
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END_FUNC(opal_atomic_cmpset_32)
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START_FUNC(opal_atomic_cmpset_acq_32)
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LSYM(3) lwarx r0, 0, r3
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cmpw 0, r0, r4
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bne- REFLSYM(4)
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stwcx. r5, 0, r3
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bne- REFLSYM(3)
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sync
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LSYM(4)
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xor r3,r0,r4
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subfic r5,r3,0
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adde r3,r5,r3
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lwsync
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blr
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END_FUNC(opal_atomic_cmpset_acq_32)
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START_FUNC(opal_atomic_cmpset_rel_32)
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eieio
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LSYM(5) lwarx r0, 0, r3
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cmpw 0, r0, r4
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bne- REFLSYM(6)
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stwcx. r5, 0, r3
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bne- REFLSYM(5)
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sync
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LSYM(6)
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xor r3,r0,r4
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subfic r5,r3,0
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adde r3,r5,r3
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blr
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END_FUNC(opal_atomic_cmpset_rel_32)
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#START_64BIT
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START_FUNC(opal_atomic_cmpset_64)
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stw r4,-32(r1)
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stw r5,-28(r1)
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stw r6,-24(r1)
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stw r7,-20(r1)
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ld r5,-32(r1)
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ld r7,-24(r1)
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LSYM(7) ldarx r9, 0, r3
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cmpd 0, r9, r5
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bne- REFLSYM(8)
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stdcx. r7, 0, r3
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bne- REFLSYM(7)
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LSYM(8)
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xor r3,r5,r9
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subfic r5,r3,0
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adde r3,r5,r3
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blr
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END_FUNC(opal_atomic_cmpset_64)
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START_FUNC(opal_atomic_cmpset_acq_64)
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stw r4,-32(r1)
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stw r5,-28(r1)
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stw r6,-24(r1)
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stw r7,-20(r1)
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ld r5,-32(r1)
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ld r7,-24(r1)
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LSYM(9) ldarx r9, 0, r3
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cmpd 0, r9, r5
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bne- REFLSYM(10)
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stdcx. r7, 0, r3
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bne- REFLSYM(9)
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LSYM(10)
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xor r3,r5,r9
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subfic r5,r3,0
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adde r3,r5,r3
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blr
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lwsync
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blr
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END_FUNC(opal_atomic_cmpset_acq_64)
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START_FUNC(opal_atomic_cmpset_rel_64)
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stw r4,-32(r1)
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stw r5,-28(r1)
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stw r6,-24(r1)
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stw r7,-20(r1)
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ld r5,-32(r1)
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ld r7,-24(r1)
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eieio
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LSYM(11) ldarx r9, 0, r3
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cmpd 0, r9, r5
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bne- REFLSYM(12)
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stdcx. r7, 0, r3
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bne- REFLSYM(11)
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LSYM(12)
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xor r3,r5,r9
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subfic r5,r3,0
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adde r3,r5,r3
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blr
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lwsync
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blr
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END_FUNC(opal_atomic_cmpset_rel_64)
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#END_64BIT
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START_FUNC(opal_atomic_add_32)
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LSYM(13) lwarx r0, 0, r3
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add r0, r4, r0
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stwcx. r0, 0, r3
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bne- REFLSYM(13)
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mr r3,r0
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blr
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END_FUNC(opal_atomic_add_32)
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START_FUNC(opal_atomic_sub_32)
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LSYM(14) lwarx r0,0,r3
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subf r0,r4,r0
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stwcx. r0,0,r3
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bne- REFLSYM(14)
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mr r3,r0
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blr
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END_FUNC(opal_atomic_sub_32)
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START_FUNC(opal_sys_timer_get_cycles)
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LSYM(15)
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mftbu r0
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mftb r11
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mftbu r2
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cmpw cr7,r2,r0
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bne+ cr7,REFLSYM(15)
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li r4,0
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li r9,0
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or r3,r2,r9
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or r4,r4,r11
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blr
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END_FUNC(opal_sys_timer_get_cycles)
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