kaguya
31 lines
655 B
ArmAsm
31 lines
655 B
ArmAsm
.section .text
|
|
.global __mlibc_do_asm_cp_syscall
|
|
.global __mlibc_syscall_begin
|
|
.global __mlibc_syscall_end
|
|
.type __mlibc_do_asm_cp_syscall, "function"
|
|
__mlibc_do_asm_cp_syscall:
|
|
st.d $a7, $sp, -8
|
|
move $a7, $a0
|
|
move $a0, $a1
|
|
move $a1, $a2
|
|
move $a2, $a3
|
|
move $a3, $a4
|
|
move $a4, $a5
|
|
move $a5, $a6
|
|
move $a6, $a7
|
|
ld.w $t0, $tp, -96 // Tcb::cancelBits. See asserts in tcb.hpp.
|
|
__mlibc_syscall_begin:
|
|
// tcbCancelEnableBit && tcbCancelTriggerBit
|
|
addi.d $t1, $r0, (1 << 0) | (1 << 2)
|
|
and $t0, $t0, $t1
|
|
beq $t0, $t1, cancel
|
|
syscall 0
|
|
__mlibc_syscall_end:
|
|
ret
|
|
|
|
cancel:
|
|
la.local $t2, __mlibc_do_cancel
|
|
jr $t2
|
|
.section .note.GNU-stack,"",%progbits
|
|
|