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kernel_entry: implement "root_wait" kernel option

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Co-authored-by: Matheus <matheusuky@gmail.com>
This commit is contained in:
iretq
2026-04-25 16:25:00 -03:00
committed by Matheus
parent 453e89c6a6
commit 50c4a9f82a
1 changed files with 9 additions and 1 deletions
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kernel-src/main.c
+9 -1
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@@ -18,6 +18,7 @@ INIT_ROUTINE_DEFINE(bsp_early, INIT_ROUTINE_FLAGS_PHONY, NULL, alloc, term, cpu)
DEFINE_KERNEL_ARGUMENT(root, char *);
DEFINE_KERNEL_ARGUMENT(rootfs, char *);
DEFINE_KERNEL_ARGUMENT(initrd, bool);
DEFINE_KERNEL_ARGUMENT(root_wait, bool);
void kernel_entry() {
cpu_set(&bsp_cpu);
@@ -44,7 +45,14 @@ void kernel_entry() {
vnode_t *backing;
if (root) {
__assert(devfs_getbyname(root, &backing) == 0);
int error;
do {
printf("entry: waiting for root device %s\n", root);
error = devfs_getbyname(root, &backing);
if (error && !GET_KERNEL_ARGUMENT(root_wait, bool))
_panic("Root device not found", NULL);
sched_sleep_us(1000000);
} while (error != 0);
} else {
backing = NULL;
}