lx_emul(x86): fill zero page with zeroes

Ref #4397
2025-01-18 10:46:25 +00:00 · 2022-03-07 15:30:10 +01:00 · 2022-03-07 15:30:10 +01:00 · 35cf8aada4
commit 35cf8aada4
parent 13c4abf4ad
1 changed files with 9 additions and 1 deletions
--- a/repos/dde_linux/src/lib/lx_emul/spec/x86/start.c
+++ b/repos/dde_linux/src/lib/lx_emul/spec/x86/start.c
@ -30,4 +30,12 @@ void time_init(void)
 }


-void lx_emul_setup_arch(void *dtb) { }
+#include <asm/pgtable.h>
+
+unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
+
+void lx_emul_setup_arch(void *dtb)
+{
+	/* fill zero page */
+	memset(empty_zero_page, 0, PAGE_SIZE);
+}