kaguya
32 lines
599 B
ArmAsm
32 lines
599 B
ArmAsm
.section .text
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.global __mlibc_do_asm_cp_syscall
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.global __mlibc_syscall_begin
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.global __mlibc_syscall_end
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.type __mlibc_do_asm_cp_syscall, "function"
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__mlibc_do_asm_cp_syscall:
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mov x8, x0
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mov x0, x1
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mov x1, x2
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mov x2, x3
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mov x3, x4
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mov x4, x5
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mov x5, x6
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mrs x7, tpidr_el0
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ldr w7, [x7, #-80] // Tcb::cancelBits. See asserts in tcb.hpp.
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__mlibc_syscall_begin:
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// tcbCancelEnableBit && tcbCancelTriggerBit
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mov x9, #((1 << 0) | (1 << 2))
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and x7, x7, x9
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cmp x7, x9
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b.eq cancel
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svc 0
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__mlibc_syscall_end:
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ret
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cancel:
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bl __mlibc_do_cancel
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brk #0
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.section .note.GNU-stack,"",%progbits
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