Author: ian Date: Sat Apr 1 22:03:00 2017 New Revision: 316377 URL: https://svnweb.freebsd.org/changeset/base/316377
Log: Correct a comment... the stack used by ubldr is the same stack u-boot was running on when it jumped to the ubldr entry point. None of the arches that use this code set up a different stack in their start.S routines. Modified: head/sys/boot/uboot/common/main.c Modified: head/sys/boot/uboot/common/main.c ============================================================================== --- head/sys/boot/uboot/common/main.c Sat Apr 1 21:55:09 2017 (r316376) +++ head/sys/boot/uboot/common/main.c Sat Apr 1 22:03:00 2017 (r316377) @@ -416,7 +416,9 @@ main(int argc, char **argv) /* * Initialise the heap as early as possible. Once this is done, - * alloc() is usable. The stack is buried inside us, so this is safe. + * alloc() is usable. We are using the stack u-boot set up near the top + * of physical ram; hopefully there is sufficient space between the end + * of our bss and the bottom of the u-boot stack to avoid overlap. */ uboot_heap_start = round_page((uintptr_t)end); uboot_heap_end = uboot_heap_start + 512 * 1024; _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"