x86_64: move stack pointer to higher-half in start_64

2023-02-06 20:45:31 +00:00
parent 5c7bde4fdf
commit fe0b7e043f
1 changed files with 3 additions and 0 deletions
--- a/arch/x86_64/start_64.S
+++ b/arch/x86_64/start_64.S
@@ -7,6 +7,9 @@
 .global start_64
 .type start_64, @function
 start_64:
+	/* convert %rsp to a higher-half pointer */
+	add $0xFFFFFFFF80000000, %rsp
+
 	pop %rdi
 	call kernel_init