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fixed uart_16550 version to 0.2.14 #193

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merged 1 commit into from
Mar 30, 2022

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haowqs
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@haowqs haowqs commented Mar 30, 2022

Problem statement:

An error will be reported after the uart version is updated:

error: ptr::mut_ptr::<impl *mut T>::add is not yet stable as a const fn
--> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:28:36
|
28 | int_en: AtomicPtr::new(base_pointer.add(1)),
| ^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_ptr_offset)] to the crate attributes to enable

error: ptr::mut_ptr::<impl *mut T>::add is not yet stable as a const fn
--> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:29:39
|
29 | fifo_ctrl: AtomicPtr::new(base_pointer.add(2)),
| ^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_ptr_offset)] to the crate attributes to enable

error: ptr::mut_ptr::<impl *mut T>::add is not yet stable as a const fn
--> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:30:39
|
30 | line_ctrl: AtomicPtr::new(base_pointer.add(3)),
| ^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_ptr_offset)] to the crate attributes to enable

error: ptr::mut_ptr::<impl *mut T>::add is not yet stable as a const fn
--> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:31:40
|
31 | modem_ctrl: AtomicPtr::new(base_pointer.add(4)),
| ^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_ptr_offset)] to the crate attributes to enable

error: ptr::mut_ptr::<impl *mut T>::add is not yet stable as a const fn
--> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:32:38
|
32 | line_sts: AtomicPtr::new(base_pointer.add(5)),
| ^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_ptr_offset)] to the crate attributes to enable

error: could not compile uart_16550 due to 5 previous errors

Investigation + root cause:

View recent updates to uart_16550

uart_16550 updated.

  • Remove stabilized nightly feature 'const_ptr_offset' (#22)

Solution:

fixed uart_16550 version to 0.2.14

Signed-off-by: haowei [email protected]

@jyao1
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jyao1 commented Mar 30, 2022

merge it to unblock CI.

@jyao1 jyao1 merged commit 1bcd4d4 into confidential-containers:main Mar 30, 2022
Problem statement:

An error will be reported after the uart version is updated:

error: `ptr::mut_ptr::<impl *mut T>::add` is not yet stable as a const fn
  --> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:28:36
   |
28 |             int_en: AtomicPtr::new(base_pointer.add(1)),
   |                                    ^^^^^^^^^^^^^^^^^^^
   |
   = help: add `#![feature(const_ptr_offset)]` to the crate attributes to enable

error: `ptr::mut_ptr::<impl *mut T>::add` is not yet stable as a const fn
  --> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:29:39
   |
29 |             fifo_ctrl: AtomicPtr::new(base_pointer.add(2)),
   |                                       ^^^^^^^^^^^^^^^^^^^
   |
   = help: add `#![feature(const_ptr_offset)]` to the crate attributes to enable

error: `ptr::mut_ptr::<impl *mut T>::add` is not yet stable as a const fn
  --> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:30:39
   |
30 |             line_ctrl: AtomicPtr::new(base_pointer.add(3)),
   |                                       ^^^^^^^^^^^^^^^^^^^
   |
   = help: add `#![feature(const_ptr_offset)]` to the crate attributes to enable

error: `ptr::mut_ptr::<impl *mut T>::add` is not yet stable as a const fn
  --> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:31:40
   |
31 |             modem_ctrl: AtomicPtr::new(base_pointer.add(4)),
   |                                        ^^^^^^^^^^^^^^^^^^^
   |
   = help: add `#![feature(const_ptr_offset)]` to the crate attributes to enable

error: `ptr::mut_ptr::<impl *mut T>::add` is not yet stable as a const fn
  --> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:32:38
   |
32 |             line_sts: AtomicPtr::new(base_pointer.add(5)),
   |                                      ^^^^^^^^^^^^^^^^^^^
   |
   = help: add `#![feature(const_ptr_offset)]` to the crate attributes to enable

error: could not compile `uart_16550` due to 5 previous errors

Investigation + root cause:

View recent updates to uart_16550

uart_16550 updated.

- Remove stabilized nightly feature 'const_ptr_offset' ([confidential-containers#22](rust-osdev/uart_16550#22))

Solution:

fixed uart_16550 version to 0.2.14

Signed-off-by: haowei <[email protected]>
@haowqs haowqs deleted the uart-16550 branch March 30, 2022 12:54
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2 participants