kaguya
31 lines
596 B
ArmAsm
31 lines
596 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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sd a7, -8(sp)
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mv a7, a0
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mv a0, a1
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mv a1, a2
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mv a2, a3
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mv a3, a4
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mv a4, a5
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mv a5, a6
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ld a6, -8(sp) // a7
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lw t0, -96(tp) // Tcb::cancelBits. See asserts in tcb.hpp.
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__mlibc_syscall_begin:
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// tcbCancelEnableBit && tcbCancelTriggerBit
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li t1, (1 << 0) | (1 << 2)
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and t0, t0, t1
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beq t0, t1, cancel
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ecall
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__mlibc_syscall_end:
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ret
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cancel:
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call __mlibc_do_cancel
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unimp
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.section .note.GNU-stack,"",%progbits
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