53 lines
594 B
ArmAsm
53 lines
594 B
ArmAsm
.code64
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.extern THREAD_sp
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.global switch_to
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.type switch_to, @function
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// %rdi = (struct thread *) current thread.
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// %rsi = (struct thread *) next thread.
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switch_to:
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pushfq
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push %rax
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push %rcx
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push %rdx
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push %rbx
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pushq $0
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push %rbp
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push %rsi
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push %rdi
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push %r8
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push %r9
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push %r10
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push %r11
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push %r12
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push %r13
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push %r14
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push %r15
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movq %rsp, THREAD_sp(%rdi)
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movq THREAD_sp(%rsi), %rsp
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pop %r15
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pop %r14
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pop %r13
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pop %r12
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pop %r11
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pop %r10
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pop %r9
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pop %r8
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pop %rdi
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pop %rsi
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pop %rbp
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add $8, %rsp
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pop %rbx
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pop %rdx
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pop %rcx
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pop %rax
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popfq
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ret
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