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DirbaioDirbaio
committedAug 17, 2024·
Extract picotool binary info to a separate rp-binary-info crate.
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v0.11.0rp235x-hal-0.2.0
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‎Cargo.toml

+1-1
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@@ -1,6 +1,6 @@
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[workspace]
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resolver = "2"
3-
members = ["rp2040-hal", "rp2040-hal-macros", "on-target-tests"]
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members = ["rp2040-hal", "rp2040-hal-macros", "on-target-tests", "rp-binary-info"]
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exclude = []
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[patch.'https://github.com/rp-rs/rp-hal.git']

‎rp-binary-info/Cargo.toml

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[package]
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name = "rp-binary-info"
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version = "0.1.0"
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edition = "2021"
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authors = ["The rp-rs Developers"]
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homepage = "https://github.com/rp-rs/rp-hal"
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description = "Code and types for creating Picotool compatible Binary Info metadata"
8+
license = "MIT OR Apache-2.0"
9+
rust-version = "1.77"
10+
repository = "https://github.com/rp-rs/rp-hal"
11+
categories = ["embedded", "hardware-support", "no-std", "no-std::no-alloc"]
12+
keywords = ["embedded", "raspberry-pi", "rp2040", "rp2350", "picotool"]
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[features]
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binary-info = []
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[dependencies]

‎rp-binary-info/LICENSE-APACHE

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Apache License
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‎rp-binary-info/LICENSE-MIT

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@@ -0,0 +1,19 @@
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Copyright (c) 2021-2024 The rp-rs Developers
2+
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18+
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
19+
SOFTWARE.

‎rp-binary-info/NOTICE

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1+
Copyright (c) 2021-2024 The rp-rs Developers
2+
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Originally published at https://github.com/rp-rs/rp-hal

‎rp-binary-info/README.md

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@@ -0,0 +1,15 @@
1+
# `rp-binary-info`
2+
3+
Code and types for creating [Picotool](https://github.com/raspberrypi/picotool) compatible "Binary Info" metadata.
4+
5+
# License
6+
7+
The contents of this repository are dual-licensed under the _MIT OR Apache 2.0_
8+
License. That means you can choose either the MIT license or the Apache 2.0
9+
license when you re-use this code. See [`LICENSE-MIT`](./LICENSE-MIT) or
10+
[`LICENSE-APACHE`](./LICENSE-APACHE) for more information on each specific
11+
license. Our Apache 2.0 notices can be found in [`NOTICE`](./NOTICE).
12+
13+
Unless you explicitly state otherwise, any contribution intentionally submitted
14+
for inclus`ion in the work by you, as defined in the Apache-2.0 license, shall be
15+
dual licensed as above, without any additional terms or conditions.

‎rp2040-hal/src/binary_info/consts.rs ‎rp-binary-info/src/consts.rs

File renamed without changes.

‎rp2040-hal/src/binary_info/mod.rs ‎rp-binary-info/src/lib.rs

+63-12
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@@ -1,22 +1,75 @@
11
//! Code and types for creating Picotool compatible "Binary Info" metadata
22
//!
3-
//! Add something like this to your program, and compile with the "binary-info"
4-
//! and "rt" features:
3+
//! ## Example usage
4+
//!
5+
//! Enable the Cargo feature `binary-info`.
6+
//!
7+
//! Add this to your linker script (usually named `memory.x`):
8+
//!
9+
//! ```not_rust,ignore
10+
//! SECTIONS {
11+
//! /* ### Boot ROM info
12+
//! *
13+
//! * Goes after .vector_table, to keep it in the first 512 bytes of flash,
14+
//! * where picotool can find it
15+
//! */
16+
//! .boot_info : ALIGN(4)
17+
//! {
18+
//! KEEP(*(.boot_info));
19+
//! } > FLASH
20+
//!
21+
//! } INSERT AFTER .vector_table;
22+
//!
23+
//! /* move .text to start /after/ the boot info */
24+
//! _stext = ADDR(.boot_info) + SIZEOF(.boot_info);
25+
//!
26+
//! SECTIONS {
27+
//! /* ### Picotool 'Binary Info' Entries
28+
//! *
29+
//! * Picotool looks through this block (as we have pointers to it in our
30+
//! * header) to find interesting information.
31+
//! */
32+
//! .bi_entries : ALIGN(4)
33+
//! {
34+
//! /* We put this in the header */
35+
//! __bi_entries_start = .;
36+
//! /* Here are the entries */
37+
//! KEEP(*(.bi_entries));
38+
//! /* Keep this block a nice round size */
39+
//! . = ALIGN(4);
40+
//! /* We put this in the header */
41+
//! __bi_entries_end = .;
42+
//! } > FLASH
43+
//! } INSERT AFTER .text;
44+
//! ```
45+
//!
46+
//! Then, add this to your Rust code:
547
//!
648
//! ```
7-
//! # use rp2040_hal as hal;
849
//! #[link_section = ".bi_entries"]
950
//! #[used]
10-
//! pub static PICOTOOL_ENTRIES: [hal::binary_info::EntryAddr; 3] = [
11-
//! hal::binary_info_rp_program_name!(c"Program Name Here"),
12-
//! hal::binary_info_rp_cargo_version!(),
13-
//! hal::binary_info_int!(
14-
//! hal::binary_info::make_tag(b"JP"),
51+
//! pub static PICOTOOL_ENTRIES: [rp_binary_info::EntryAddr; 3] = [
52+
//! rp_binary_info::rp_program_name!(c"Program Name Here"),
53+
//! rp_binary_info::rp_cargo_version!(),
54+
//! rp_binary_info::int!(
55+
//! rp_binary_info::make_tag(b"JP"),
1556
//! 0x0000_0001,
1657
//! 0x12345678
1758
//! ),
1859
//! ];
1960
//! ```
61+
//!
62+
//! ## Cargo features
63+
//!
64+
//! The `binary-info` Cargo feature enables emitting the main `PICOTOOL_HEADER`
65+
//! static, which is what Picotool looks for to discover the binary info.
66+
//!
67+
//! It is optional to allow you to emit the static yourself differently, for e.g.
68+
//! compatibility with different linker scripts, while still allowing using the
69+
//! rest of the utilities in the crate to format the info.
70+
71+
#![no_std]
72+
#![warn(missing_docs)]
2073

2174
pub mod consts;
2275

@@ -50,8 +103,8 @@ extern "C" {
50103
///
51104
/// The data here tells picotool the start and end flash addresses of our
52105
/// metadata.
53-
#[cfg(feature = "binary-info")]
54106
#[link_section = ".boot_info"]
107+
#[cfg(feature = "binary-info")]
55108
#[used]
56109
pub static PICOTOOL_HEADER: Header = unsafe {
57110
Header::new(
@@ -62,7 +115,6 @@ pub static PICOTOOL_HEADER: Header = unsafe {
62115
};
63116

64117
/// This tells picotool how to convert RAM addresses back into Flash addresses
65-
#[cfg(feature = "binary-info")]
66118
pub static MAPPING_TABLE: [MappingTableEntry; 2] = [
67119
// This is the entry for .data
68120
MappingTableEntry {
@@ -187,8 +239,7 @@ pub const fn rp_boot2_name(value: &'static core::ffi::CStr) -> StringEntry {
187239
/// Create a tag from two ASCII letters.
188240
///
189241
/// ```
190-
/// # use rp2040_hal as hal;
191-
/// let tag = hal::binary_info::make_tag(b"RP");
242+
/// let tag = rp_binary_info::make_tag(b"RP");
192243
/// assert_eq!(tag, 0x5052);
193244
/// ```
194245
pub const fn make_tag(c: &[u8; 2]) -> u16 {

‎rp2040-hal/src/binary_info/macros.rs ‎rp-binary-info/src/macros.rs

+34-36
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@@ -3,9 +3,9 @@
33
/// Generate a static item containing the given environment variable,
44
/// and return its [`EntryAddr`](super::EntryAddr).
55
#[macro_export]
6-
macro_rules! binary_info_env {
6+
macro_rules! env {
77
($tag:expr, $id:expr, $env_var_name:expr) => {
8-
$crate::binary_info_str!($tag, $id, {
8+
$crate::str!($tag, $id, {
99
let value = concat!(env!($env_var_name), "\0");
1010
// # Safety
1111
//
@@ -23,10 +23,9 @@ macro_rules! binary_info_env {
2323
/// You must pass a numeric tag, a numeric ID, and `&CStr` (which is always
2424
/// null-terminated).
2525
#[macro_export]
26-
macro_rules! binary_info_str {
26+
macro_rules! str {
2727
($tag:expr, $id:expr, $str:expr) => {{
28-
static ENTRY: $crate::binary_info::StringEntry =
29-
$crate::binary_info::StringEntry::new($tag, $id, $str);
28+
static ENTRY: $crate::StringEntry = $crate::StringEntry::new($tag, $id, $str);
3029
ENTRY.addr()
3130
}};
3231
}
@@ -37,22 +36,21 @@ macro_rules! binary_info_str {
3736
/// You must pass a numeric tag, a numeric ID, and `&CStr` (which is always
3837
/// null-terminated).
3938
#[macro_export]
40-
macro_rules! binary_info_int {
39+
macro_rules! int {
4140
($tag:expr, $id:expr, $int:expr) => {{
42-
static ENTRY: $crate::binary_info::IntegerEntry =
43-
$crate::binary_info::IntegerEntry::new($tag, $id, $int);
41+
static ENTRY: $crate::IntegerEntry = $crate::IntegerEntry::new($tag, $id, $int);
4442
ENTRY.addr()
4543
}};
4644
}
4745

4846
/// Generate a static item containing the program name, and return its
4947
/// [`EntryAddr`](super::EntryAddr).
5048
#[macro_export]
51-
macro_rules! binary_info_rp_program_name {
49+
macro_rules! rp_program_name {
5250
($name:expr) => {
53-
$crate::binary_info_str!(
54-
$crate::binary_info::consts::TAG_RASPBERRY_PI,
55-
$crate::binary_info::consts::ID_RP_PROGRAM_NAME,
51+
$crate::str!(
52+
$crate::consts::TAG_RASPBERRY_PI,
53+
$crate::consts::ID_RP_PROGRAM_NAME,
5654
$name
5755
)
5856
};
@@ -61,11 +59,11 @@ macro_rules! binary_info_rp_program_name {
6159
/// Generate a static item containing the program version, and return its
6260
/// [`EntryAddr`](super::EntryAddr).
6361
#[macro_export]
64-
macro_rules! binary_info_rp_program_version {
62+
macro_rules! rp_program_version {
6563
($version:expr) => {{
66-
$crate::binary_info_str!(
67-
$crate::binary_info::consts::TAG_RASPBERRY_PI,
68-
$crate::binary_info::consts::ID_RP_PROGRAM_VERSION,
64+
$crate::str!(
65+
$crate::consts::TAG_RASPBERRY_PI,
66+
$crate::consts::ID_RP_PROGRAM_VERSION,
6967
$version
7068
)
7169
}};
@@ -74,11 +72,11 @@ macro_rules! binary_info_rp_program_version {
7472
/// Generate a static item containing the `CARGO_PKG_VERSION` as the program
7573
/// version, and return its [`EntryAddr`](super::EntryAddr).
7674
#[macro_export]
77-
macro_rules! binary_info_rp_cargo_version {
75+
macro_rules! rp_cargo_version {
7876
() => {
79-
$crate::binary_info_env!(
80-
$crate::binary_info::consts::TAG_RASPBERRY_PI,
81-
$crate::binary_info::consts::ID_RP_PROGRAM_VERSION_STRING,
77+
$crate::env!(
78+
$crate::consts::TAG_RASPBERRY_PI,
79+
$crate::consts::ID_RP_PROGRAM_VERSION_STRING,
8280
"CARGO_PKG_VERSION"
8381
)
8482
};
@@ -87,11 +85,11 @@ macro_rules! binary_info_rp_cargo_version {
8785
/// Generate a static item containing the program url, and return its
8886
/// [`EntryAddr`](super::EntryAddr).
8987
#[macro_export]
90-
macro_rules! binary_info_rp_program_url {
88+
macro_rules! rp_program_url {
9189
($url:expr) => {
92-
$crate::binary_info_str!(
93-
$crate::binary_info::consts::TAG_RASPBERRY_PI,
94-
$crate::binary_info::consts::ID_RP_PROGRAM_URL,
90+
$crate::str!(
91+
$crate::consts::TAG_RASPBERRY_PI,
92+
$crate::consts::ID_RP_PROGRAM_URL,
9593
$url
9694
)
9795
};
@@ -100,11 +98,11 @@ macro_rules! binary_info_rp_program_url {
10098
/// Generate a static item containing the program description, and return its
10199
/// [`EntryAddr`](super::EntryAddr).
102100
#[macro_export]
103-
macro_rules! binary_info_rp_program_description {
101+
macro_rules! rp_program_description {
104102
($description:expr) => {
105-
$crate::binary_info_str!(
106-
$crate::binary_info::consts::TAG_RASPBERRY_PI,
107-
$crate::binary_info::consts::ID_RP_PROGRAM_DESCRIPTION,
103+
$crate::str!(
104+
$crate::consts::TAG_RASPBERRY_PI,
105+
$crate::consts::ID_RP_PROGRAM_DESCRIPTION,
108106
$description
109107
)
110108
};
@@ -113,11 +111,11 @@ macro_rules! binary_info_rp_program_description {
113111
/// Generate a static item containing whether this is a debug or a release
114112
/// build, and return its [`EntryAddr`](super::EntryAddr).
115113
#[macro_export]
116-
macro_rules! binary_info_rp_program_build_attribute {
114+
macro_rules! rp_program_build_attribute {
117115
() => {
118-
$crate::binary_info_str!(
119-
$crate::binary_info::consts::TAG_RASPBERRY_PI,
120-
$crate::binary_info::consts::ID_RP_PROGRAM_BUILD_ATTRIBUTE,
116+
$crate::str!(
117+
$crate::consts::TAG_RASPBERRY_PI,
118+
$crate::consts::ID_RP_PROGRAM_BUILD_ATTRIBUTE,
121119
{
122120
if cfg!(debug_assertions) {
123121
c"debug"
@@ -132,11 +130,11 @@ macro_rules! binary_info_rp_program_build_attribute {
132130
/// Generate a static item containing the specific board this program runs on,
133131
/// and return its [`EntryAddr`](super::EntryAddr).
134132
#[macro_export]
135-
macro_rules! binary_info_rp_pico_board {
133+
macro_rules! rp_pico_board {
136134
($board:expr) => {
137-
$crate::binary_info_str!(
138-
$crate::binary_info::consts::TAG_RASPBERRY_PI,
139-
$crate::binary_info::consts::ID_RP_PICO_BOARD,
135+
$crate::str!(
136+
$crate::consts::TAG_RASPBERRY_PI,
137+
$crate::consts::ID_RP_PICO_BOARD,
140138
$board
141139
)
142140
};

‎rp2040-hal/src/binary_info/types.rs ‎rp-binary-info/src/types.rs

File renamed without changes.

‎rp2040-hal/Cargo.toml

+4-2
Original file line numberDiff line numberDiff line change
@@ -18,6 +18,9 @@ targets = ["thumbv6m-none-eabi"]
1818
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
1919

2020
[dependencies]
21+
rp2040-hal-macros = { version = "0.1.0", path = "../rp2040-hal-macros" }
22+
rp-binary-info = { version = "0.1.0", path = "../rp-binary-info" }
23+
2124
cortex-m = "0.7.2"
2225
embedded_hal_0_2 = { package = "embedded-hal", version = "0.2.5", features = [
2326
"unproven",
@@ -33,7 +36,6 @@ nb = "1.0"
3336
rp2040-pac = { version = "0.6.0", features = ["critical-section"] }
3437
paste = "1.0"
3538
pio = "0.2.0"
36-
rp2040-hal-macros = { version = "0.1.0", path = "../rp2040-hal-macros" }
3739
usb-device = "0.3"
3840
vcell = "0.1"
3941
void = { version = "1.0.2", default-features = false }
@@ -110,7 +112,7 @@ i2c-write-iter = ["dep:i2c-write-iter"]
110112
#
111113
# Requires 'rt' so that the vector table is correctly sized and therefore the
112114
# header is within reach of picotool.
113-
binary-info = ["rt"]
115+
binary-info = ["rt", "rp-binary-info/binary-info"]
114116

115117
[[example]]
116118
name = "binary_info_demo"

‎rp2040-hal/examples/binary_info_demo.rs

+7-7
Original file line numberDiff line numberDiff line change
@@ -96,14 +96,14 @@ fn main() -> ! {
9696
#[link_section = ".bi_entries"]
9797
#[used]
9898
pub static PICOTOOL_ENTRIES: [binary_info::EntryAddr; 7] = [
99-
hal::binary_info_rp_program_name!(c"rp2040-hal Binary Info Example"),
100-
hal::binary_info_rp_cargo_version!(),
101-
hal::binary_info_rp_program_description!(c"A GPIO blinky with extra metadata."),
102-
hal::binary_info_rp_program_url!(c"https://github.com/rp-rs/rp-hal"),
103-
hal::binary_info_rp_program_build_attribute!(),
104-
hal::binary_info_rp_pico_board!(c"pico"),
99+
binary_info::rp_program_name!(c"rp2040-hal Binary Info Example"),
100+
binary_info::rp_cargo_version!(),
101+
binary_info::rp_program_description!(c"A GPIO blinky with extra metadata."),
102+
binary_info::rp_program_url!(c"https://github.com/rp-rs/rp-hal"),
103+
binary_info::rp_program_build_attribute!(),
104+
binary_info::rp_pico_board!(c"pico"),
105105
// An example with a non-Raspberry-Pi tag
106-
hal::binary_info_int!(binary_info::make_tag(b"JP"), 0x0000_0001, 0x12345678),
106+
binary_info::int!(binary_info::make_tag(b"JP"), 0x0000_0001, 0x12345678),
107107
];
108108

109109
// End of file

‎rp2040-hal/src/lib.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -52,7 +52,8 @@ pub mod adc;
5252
#[macro_use]
5353
pub mod async_utils;
5454
pub(crate) mod atomic_register_access;
55-
pub mod binary_info;
55+
#[cfg(feature = "binary-info")]
56+
pub use rp_binary_info as binary_info;
5657
pub mod clocks;
5758
#[cfg(feature = "critical-section-impl")]
5859
mod critical_section_impl;

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