[PATCH] ARM: remove some entry initialisation asm code
Convert the trivial vector entry initialisation code to C code.
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 6e31718..0078aeb 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -578,9 +578,16 @@
void __init trap_init(void)
{
- extern void __trap_init(void);
+ extern char __stubs_start[], __stubs_end[];
+ extern char __vectors_start[], __vectors_end[];
- __trap_init();
+ /*
+ * Copy the vectors and stubs (in entry-armv.S) into the
+ * vector page, mapped at 0xffff0000, and ensure these are
+ * visible to the instruction stream.
+ */
+ memcpy((void *)0xffff0000, __vectors_start, __vectors_end - __vectors_start);
+ memcpy((void *)0xffff0200, __stubs_start, __stubs_end - __stubs_start);
flush_icache_range(0xffff0000, 0xffff0000 + PAGE_SIZE);
modify_domain(DOMAIN_USER, DOMAIN_CLIENT);
}