diff mbox series

[Concept,05/15] ulib: Disable the main loop

Message ID	20250905170132.182249-6-sjg@u-boot.org
State	New
Headers	From: Simon Glass <sjg@u-boot.org> To: U-Boot Concept <concept@u-boot.org> Date: Fri, 5 Sep 2025 11:01:16 -0600 Message-ID: <20250905170132.182249-6-sjg@u-boot.org> In-Reply-To: <20250905170132.182249-1-sjg@u-boot.org> References: <20250905170132.182249-1-sjg@u-boot.org> MIME-Version: 1.0 Message-ID-Hash: KMYB7AU3GUIUVCR6S4YNSYJBHMZJ75TH CC: Simon Glass <sjg@chromium.org> Precedence: list Subject: [Concept] [PATCH 05/15] ulib: Disable the main loop Archived-At: <https://lists.u-boot.org/archives/list/concept@u-boot.org/message/KMYB7AU3GUIUVCR6S4YNSYJBHMZJ75TH/> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit
Series	ulib: Provide test programs and documentation \| [Concept,00/15] ulib: Provide test programs and documentation [Concept,01/15] sandbox: Add a function to read a line from a file [Concept,02/15] ulib: Disable environment setup [Concept,03/15] ulib: Disable console messages [Concept,04/15] ulib: Disable network setup [Concept,05/15] ulib: Disable the main loop [Concept,06/15] ulib: Move struct bd_info into its own header [Concept,07/15] ulib: sandbox: Move the linker-script name into config.mk [Concept,08/15] ulib: Add static-library build support [Concept,09/15] ulib: Provide an init function for sandbox [Concept,10/15] ulib: Provide a generic init function [Concept,11/15] ulib: Provide a test program for the static library [Concept,12/15] ulib: Drop unnecessary pieces in test/ulib/Makefile [Concept,13/15] ulib: Provide a bit more info in the library-test program [Concept,14/15] ulib: Allow building of the libraries to be disabled [Concept,15/15] doc: Add ulib documentation for shared and static libraries

Commit Message

Simon Glass Sept. 5, 2025, 5:01 p.m. UTC

  From: Simon Glass <sjg@chromium.org>

The application wants control once the U-Boot library is ready, so skip
the main loop and just return.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

 common/board_r.c | 8 ++++++++
 include/init.h   | 4 ++++
 2 files changed, 12 insertions(+)

diff mbox series

Patch

diff --git a/common/board_r.c b/common/board_r.c
index a19c3138962..d38c2304e87 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -539,6 +539,9 @@  static int dm_announce(void)
 
 static int run_main_loop(void)
 {
+	if (gd_ulib())
+		return 0;
+
 #ifdef CONFIG_SANDBOX
 	sandbox_main_loop_init();
 #endif
@@ -768,6 +771,11 @@  void board_init_r(gd_t *new_gd, ulong dest_addr)
 
 	initcall_run_r();
 
+#ifdef CONFIG_ULIB
+	if (gd_ulib())
+		return;
+#endif
+
 	/* NOTREACHED - run_main_loop() does not return */
 	hang();
 }
diff --git a/include/init.h b/include/init.h
index 2c37cef5fc0..e4b07ea48a0 100644
--- a/include/init.h
+++ b/include/init.h
@@ -277,8 +277,12 @@  struct global_data;
 void arch_setup_gd(struct global_data *gd_ptr);
 
 /* common/board_r.c */
+#ifdef CONFIG_ULIB
+void board_init_r(struct global_data *id, ulong dest_addr);
+#else
 void board_init_r(struct global_data *id, ulong dest_addr)
 	__attribute__ ((noreturn));
+#endif
 
 int cpu_init_r(void);
 int mac_read_from_eeprom(void);