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Update ch8 1thread.rst #230

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Oct 27, 2024
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Update ch8 1thread.rst #230

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75c62c4
Update ch8 1thread.rst
lewiszlw Oct 25, 2024
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Update ch8 1thread.rst
lewiszlw Oct 25, 2024
8fa49e1
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lewiszlw Oct 25, 2024
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10 changes: 5 additions & 5 deletions source/chapter8/1thread.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -235,7 +235,7 @@

available.ctx.x1 = guard as u64; //ctx.x1 is old return address
available.ctx.nx1 = f as u64; //ctx.nx1 is new return address
available.ctx.x2 = s_ptr.offset(32) as u64; //cxt.x2 is sp
available.ctx.x2 = s_ptr.offset(-32) as u64; //cxt.x2 is sp

}
available.state = State::Ready;
Expand Down Expand Up @@ -327,7 +327,7 @@
#[inline(never)]
unsafe fn switch(old: *mut TaskContext, new: *const TaskContext) {
// a0: old, a1: new
llvm_asm!("
asm!("
//if comment below lines: sd x1..., ld x1..., TASK2 can not finish, and will segment fault
sd x1, 0x00(a0)
sd x2, 0x08(a0)
Expand All @@ -348,8 +348,8 @@
ld t0, 0x70(a1)

jr t0
"
: : : : "volatile", "alignstack"
",
options(noreturn)
);
}

Expand Down Expand Up @@ -388,4 +388,4 @@

.. [#explain_green_thread] https://cfsamson.gitbook.io/green-threads-explained-in-200-lines-of-rust/

.. [#code_green_thread] https://github.com/cfsamson/example-greenthreads
.. [#code_green_thread] https://github.com/cfsamson/example-greenthreads
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