80 строки
1.3 KiB
NASM
80 строки
1.3 KiB
NASM
START_FILE
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TEXT
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START_FUNC(opal_atomic_mb)
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pushq %rbp
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movq %rsp, %rbp
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leave
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ret
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END_FUNC(opal_atomic_mb)
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START_FUNC(opal_atomic_rmb)
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pushq %rbp
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movq %rsp, %rbp
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leave
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ret
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END_FUNC(opal_atomic_rmb)
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START_FUNC(opal_atomic_wmb)
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pushq %rbp
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movq %rsp, %rbp
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leave
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ret
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END_FUNC(opal_atomic_wmb)
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START_FUNC(opal_atomic_cmpset_32)
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pushq %rbp
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movq %rsp, %rbp
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movq %rdi, -8(%rbp)
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movl %esi, -12(%rbp)
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movl %edx, -16(%rbp)
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movl -16(%rbp), %ecx
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movq -8(%rbp), %rdx
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movl -12(%rbp), %eax
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cmpxchgl %ecx,(%rdx)
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movq %rax, -24(%rbp)
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movl -24(%rbp), %eax
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movl %eax, -28(%rbp)
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movl -28(%rbp), %eax
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cmpl -12(%rbp), %eax
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sete %al
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movzbl %al, %eax
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movl %eax, -28(%rbp)
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movl -28(%rbp), %eax
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leave
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ret
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END_FUNC(opal_atomic_cmpset_32)
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START_FUNC(opal_atomic_cmpset_64)
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pushq %rbp
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movq %rsp, %rbp
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movq %rdi, -8(%rbp)
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movq %rsi, -16(%rbp)
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movq %rdx, -24(%rbp)
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movq -24(%rbp), %rcx
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movq -8(%rbp), %rdx
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movq -16(%rbp), %rax
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cmpxchgq %rcx,(%rdx)
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movq %rax, -32(%rbp)
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movq -32(%rbp), %rax
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cmpq -16(%rbp), %rax
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sete %al
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movzbl %al, %eax
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leave
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ret
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END_FUNC(opal_atomic_cmpset_64)
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START_FUNC(opal_sys_timer_get_cycles)
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rdtsc
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salq $32, %rdx
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mov %eax, %eax
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orq %rdx, %rax
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ret
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END_FUNC(opal_sys_timer_get_cycles)
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