Changes in kernel/arch/arm32/src/userspace.c [82a04c6:dfd735a1] in mainline

File:

• kernel/arch/arm32/src/userspace.c (modified) (1 diff)

kernel/arch/arm32/src/userspace.c

@@ -97 +97 @@
                 "mov sp, %[ustate]\n"
                 "msr spsr_c, %[user_mode]\n"
-                "ldmfd sp!, {r0-r12, sp, lr}^\n"
+                "ldmfd sp, {r0-r12, sp, lr}^\n"
+                "nop\n"         /* Cannot access sp immediately after ldm(2) */
+                "add sp, sp, #(15*4)\n"
                 "ldmfd sp!, {pc}^\n"
                 :: [ustate] "r" (&ustate), [user_mode] "r" (user_mode)