Update toolchain to last night's nightly

Author: steveklabnik

Cargo.lock

@@ -44,7 +44,7 @@ stacksize = 1536
 name = "drv-stm32fx-rcc"
 features = ["f3"]
 priority = 1
-max-sizes = {flash = 4096, ram = 1024}
+max-sizes = {flash = 8192, ram = 1024}
 uses = ["rcc"]
 start = true
 
@@ -96,4 +96,3 @@ priority = 5
 max-sizes = {flash = 128, ram = 256}
 stacksize = 256
 start = true
-

app/demo-stm32f4-discovery/app-f3.toml

@@ -44,7 +44,7 @@ stacksize = 1536
 name = "drv-stm32fx-rcc"
 features = ["f4"]
 priority = 1
-max-sizes = {flash = 4096, ram = 1024}
+max-sizes = {flash = 8192, ram = 1024}
 uses = ["rcc"]
 start = true
 

app/demo-stm32f4-discovery/app.toml

@@ -153,7 +153,7 @@ task-slots = ["sys", "hash_driver"]
 name = "drv-stm32h7-hash-server"
 features = ["h753"]
 priority = 3
-max-sizes = {flash = 8192, ram=4096 }
+max-sizes = {flash = 16384, ram=4096 }
 stacksize = 2048
 start = true
 uses = ["hash"]

app/demo-stm32h7-nucleo/app-h753.toml

@@ -138,7 +138,7 @@ task-slots = ["sys", "hash_driver"]
 name = "drv-stm32h7-hash-server"
 features = ["h753"]
 priority = 3
-max-sizes = {flash = 8192, ram=4096 }
+max-sizes = {flash = 16384, ram=4096 }
 stacksize = 2048
 start = true
 uses = ["hash"]

app/gemini-bu/app.toml

@@ -177,7 +177,7 @@ register_defs = "gimlet-regs-b.json"
 name = "drv-stm32h7-hash-server"
 features = ["h753"]
 priority = 2
-max-sizes = {flash = 8192, ram=4096 }
+max-sizes = {flash = 16384, ram=4096 }
 stacksize = 2048
 start = true
 uses = ["hash"]
@@ -224,7 +224,7 @@ features = ["vlan"]
 [tasks.validate]
 name = "task-validate"
 priority = 5
-max-sizes = {flash = 8192, ram = 4096 }
+max-sizes = {flash = 16384, ram = 4096 }
 stacksize = 1000 
 start = true
 task-slots = ["i2c_driver"]

app/gimlet/rev-b.toml

@@ -111,7 +111,7 @@ features = ["stm32h753", "usart2"]
 uses = ["usart2"]
 interrupts = {"usart2.irq" = 0b01}
 priority = 3
-max-sizes = {flash = 8192, ram = 4096}
+max-sizes = {flash = 16384, ram = 4096}
 stacksize = 2048
 start = true
 task-slots = ["sys"]
@@ -199,7 +199,7 @@ task-slots = ["sys", "user_leds"]
 [tasks.update_server]
 name = "stm32h7-update-server"
 priority = 3
-max-sizes = {flash = 8192, ram = 4096}
+max-sizes = {flash = 16384, ram = 4096}
 stacksize = 2048
 start = true
 uses = ["flash_controller", "bank2"]

app/gimletlet/app.toml

@@ -244,7 +244,7 @@ task-slots = ["i2c_driver", "sensor", "sequencer"]
 [tasks.validate]
 name = "task-validate"
 priority = 5
-max-sizes = {flash = 8192, ram = 4096 }
+max-sizes = {flash = 16384, ram = 4096 }
 stacksize = 1000
 start = true
 task-slots = ["i2c_driver"]

app/sidecar/app.toml

@@ -551,15 +551,14 @@ impl BuildConfig<'_> {
             None => PathBuf::from("cargo"),
         });
 
-        // nightly features that we use: asm_sym,named-profiles,naked_functions
-        // cmse_nonsecure_entry,array_methods,destructuring_assignment
-        // nightly features that our dependencies use: proc_macro_span,backtrace
-        // asm,llvm_asm
+        // nightly features that we use: asm_sym,asm_const,
+        // named-profiles,naked_functions,cmse_nonsecure_entry,array_methods
+        //
+        // nightly features that our dependencies use: backtrace,proc_macro_span
 
         cmd.arg(
-            "-Zallow-features=asm,asm_sym,named-profiles,naked_functions,\
-cmse_nonsecure_entry,array_methods,destructuring_assignment,proc_macro_span,\
-backtrace,llvm_asm",
+            "-Zallow-features=asm_sym,asm_const,named-profiles,naked_functions,\
+cmse_nonsecure_entry,array_methods,backtrace,proc_macro_span",
         );
 
         cmd.arg(subcommand);

build/xtask/src/config.rs

@@ -1287,6 +1287,7 @@ fn link(
     cmd.arg("-m").arg(m);
     cmd.arg("-z").arg("common-page-size=0x20");
     cmd.arg("-z").arg("max-page-size=0x20");
+    cmd.arg("-rustc-lld-flavor=ld");
 
     cmd.current_dir(working_dir);
 

build/xtask/src/dist.rs

@@ -2,7 +2,6 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
-#![feature(asm)]
 #![feature(naked_functions)]
 #![no_std]
 

drv/lpc55-romapi/src/lib.rs

@@ -6,7 +6,6 @@
 
 #![no_std]
 #![no_main]
-#![feature(destructuring_assignment)]
 
 use crate::clock_generator::ClockGenerator;
 use crate::front_io::FrontIOBoard;

drv/sidecar-seq-server/src/main.rs

@@ -10,7 +10,7 @@ num-traits = { version = "0.2.12", default-features = false }
 drv-stm32xx-sys-api = {path = "../stm32xx-sys-api", default-features = false}
 stm32g0 = { git = "https://github.com/oxidecomputer/stm32-rs-nightlies", branch = "stm32g0b1-initial-support", default-features = false }
 cortex-m = { version = "0.7", features = ["inline-asm"] }
-cortex-m-semihosting = { version = "0.3.7", features = ["inline-asm"] }
+cortex-m-semihosting = { version = "0.5.0" }
 
 [features]
 g031 = ["stm32g0/stm32g031", "drv-stm32xx-sys-api/g031"]

drv/stm32g0-usart/Cargo.toml

@@ -6,6 +6,7 @@
 
 #![no_std]
 #![no_main]
+#![deny(unsafe_op_in_unsafe_fn)]
 
 cfg_if::cfg_if! {
     if #[cfg(feature = "family-stm32g0")] {

drv/stm32xx-sys/src/main.rs

@@ -1,5 +1,5 @@
 [toolchain]
-channel = "nightly-2021-09-22"
+channel = "nightly-2022-07-27"
 targets = [ "thumbv6m-none-eabi", "thumbv7em-none-eabihf", "thumbv8m.main-none-eabihf" ]
 profile = "minimal"
 components = [ "rustfmt" ]

rust-toolchain.toml

@@ -3,12 +3,13 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
 #![feature(cmse_nonsecure_entry)]
-#![feature(asm)]
 #![feature(naked_functions)]
 #![feature(array_methods)]
 #![no_main]
 #![no_std]
 
+use core::arch;
+
 extern crate lpc55_pac;
 extern crate panic_halt;
 use cortex_m::peripheral::Peripherals;
@@ -98,7 +99,7 @@ unsafe fn branch_to_image(image: Image) -> ! {
     let stack = image.get_sp();
 
     // and branch
-    asm!("
+    arch::asm!("
             msr MSP_NS, {stack}
             bxns {entry}",
         stack = in(reg) stack,
@@ -125,7 +126,7 @@ unsafe fn branch_to_image(image: Image) -> ! {
     let stack = image.get_sp();
 
     // and branch
-    asm!("
+    arch::asm!("
             msr MSP, {stack}
             bx {entry}",
         stack = in(reg) stack,