modules/hal_rpi_pico: Switch boot_stage2 to picolibc

keith-packard · keith-packard · commit 099fcea30def · 2025-08-19T13:09:56.000-07:00
Now that rpi_pico can use picolibc, let's switch to it.

Signed-off-by: Keith Packard &lt;keithp@keithp.com&gt;
diff --git a/modules/hal_rpi_pico/bootloader/CMakeLists.txt b/modules/hal_rpi_pico/bootloader/CMakeLists.txt
@@ -45,8 +45,8 @@ target_include_directories(boot_stage2 PUBLIC
 
 target_link_options(boot_stage2 PRIVATE
   "-nostartfiles"
-  "--specs=nosys.specs"
-  "LINKER:--script=${boot_stage_dir}/boot_stage2.ld"
+  "--specs=picolibc.specs"
+  "-T${boot_stage_dir}/boot_stage2.ld"
   )
 
 # The second stage bootloader is compiled without kconfig definitions.

Original file line number	Diff line number	Diff line change
`@@ -45,8 +45,8 @@ target_include_directories(boot_stage2 PUBLIC`
`45`	`45`
`46`	`46`	`target_link_options(boot_stage2 PRIVATE`
`47`	`47`	`"-nostartfiles"`
`48`		`- "--specs=nosys.specs"`
`49`		`- "LINKER:--script=${boot_stage_dir}/boot_stage2.ld"`
	`48`	`+ "--specs=picolibc.specs"`
	`49`	`+ "-T${boot_stage_dir}/boot_stage2.ld"`
`50`	`50`	`)`
`51`	`51`
`52`	`52`	`# The second stage bootloader is compiled without kconfig definitions.`