Just requesting comments. I'm using this on my hw.
The idea is that /env/bin/init may be uninterruptible and the user
may be unable to recover control over the barebox. Perhaps there is
a better way?
Signed-off-by: Krzysztof Hałasa <k...@pm.waw.pl>
diff --git a/common/startup.c b/common/startup.c
index abd1b77..fde99d5 100644
--- a/common/startup.c
+++ b/common/startup.c
@@ -30,6 +30,7 @@
* @brief Main entry into the C part of barebox
*/
#include <common.h>
+#include <clock.h>
#include <init.h>
#include <command.h>
#include <malloc.h>
@@ -117,6 +118,8 @@ void start_barebox (void)
int result;
#ifdef CONFIG_COMMAND_SUPPORT
struct stat s;
+ uint64_t start;
+ int stop = 0;
#endif
for (initcall = __barebox_initcalls_start;
@@ -130,6 +133,17 @@ void start_barebox (void)
display_meminfo();
+#ifdef CONFIG_COMMAND_SUPPORT
+ start = get_time_ns();
+ printf("\nPress Control-C to stop.");
+ while (!is_timeout(start, 2 * SECOND))
+ if (ctrlc()) {
+ stop = 1;
+ break;
+ }
+ putchar('\n');
+#endif
+
#ifdef CONFIG_ENV_HANDLING
if (envfs_load(default_environment_path, "/env")) {
#ifdef CONFIG_DEFAULT_ENVIRONMENT
@@ -141,14 +155,16 @@ void start_barebox (void)
}
#endif
#ifdef CONFIG_COMMAND_SUPPORT
- printf("running /env/bin/init...\n");
-
- if (!stat("/env/bin/init", &s)) {
+ if (stop)
+ printf("skipping /env/bin/init\n");
+ else if (!stat("/env/bin/init", &s)) {
+ printf("running /env/bin/init...\n");
run_command("source /env/bin/init", 0);
- } else {
- printf("not found\n");
- }
+ } else
+ printf("/env/bin/init not found\n");
+
#endif
+
/* main_loop() can return to retry autoboot, if so just run it again. */
for (;;)
run_shell();
--
Krzysztof Halasa
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