[PATCH v2 10/18] x86: spl: Show debugging for BSS

Simon Glass sjg at chromium.org
Tue Apr 18 17:30:53 CEST 2023


Show the area of memory cleared for BSS, when debugging is enabled.

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

(no changes since v1)

 arch/x86/lib/spl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/lib/spl.c b/arch/x86/lib/spl.c
index bdf57ef7b5bd..eb0af219ae29 100644
--- a/arch/x86/lib/spl.c
+++ b/arch/x86/lib/spl.c
@@ -117,7 +117,9 @@ static int x86_spl_init(void)
 	}
 
 #ifndef CONFIG_SYS_COREBOOT
-	memset(&__bss_start, 0, (ulong)&__bss_end - (ulong)&__bss_start);
+	debug("BSS clear from %lx to %lx len %lx\n", (ulong)&__bss_start,
+	      (ulong)&__bss_end, (ulong)&__bss_end - (ulong)&__bss_start);
+	memset(&__bss_start, '\0', (ulong)&__bss_end - (ulong)&__bss_start);
 # ifndef CONFIG_TPL
 
 	/* TODO(sjg at chromium.org): Consider calling cpu_init_r() here */
-- 
2.40.0.634.g4ca3ef3211-goog



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