*
* Head.S contains the SH exception handlers and startup code.
*/
+#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/thread_info.h>
1:
.skip PAGE_SIZE - empty_zero_page - 1b
- .section .text.head, "ax"
+ __HEAD
/*
* Condition at the entry of _stext:
mov.l 7f, r0
ldc r0, r7_bank ! ... and initial thread_info
#endif
-
- ! Clear BSS area
+
+#ifndef CONFIG_SH_NO_BSS_INIT
+ /*
+ * Don't clear BSS if running on slow platforms such as an RTL simulation,
+ * remote memory via SHdebug link, etc. For these the memory can be guaranteed
+ * to be all zero on boot anyway.
+ */
+ ! Clear BSS area
#ifdef CONFIG_SMP
mov.l 3f, r0
cmp/eq #0, r0 ! skip clear if set to zero
mov.l r0,@-r2
10:
+#endif
+
! Additional CPU initialization
mov.l 6f, r0
jsr @r0