xtensa: provide proper assembler function boundaries with ENDPROC()
Use ENDPROC() to mark the end of assembler functions.
Signed-off-by: Chris Zankel <chris@zankel.net>
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 90bfc1d..41ad9cf 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -219,6 +219,7 @@
j common_exception
+ENDPROC(user_exception)
/*
* First-level exit handler for kernel exceptions
@@ -641,6 +642,8 @@
l32i a1, a1, PT_AREG1
rfde
+ENDPROC(kernel_exception)
+
/*
* Debug exception handler.
*
@@ -701,6 +704,7 @@
/* Debug exception while in exception mode. */
1: j 1b // FIXME!!
+ENDPROC(debug_exception)
/*
* We get here in case of an unrecoverable exception.
@@ -751,6 +755,7 @@
1: j 1b
+ENDPROC(unrecoverable_exception)
/* -------------------------- FAST EXCEPTION HANDLERS ----------------------- */
@@ -929,6 +934,7 @@
l32i a2, a2, PT_AREG2
rfe
+ENDPROC(fast_alloca)
/*
* fast system calls.
@@ -966,6 +972,8 @@
j kernel_exception
+ENDPROC(fast_syscall_kernel)
+
ENTRY(fast_syscall_user)
/* Skip syscall. */
@@ -983,6 +991,8 @@
j user_exception
+ENDPROC(fast_syscall_user)
+
ENTRY(fast_syscall_unrecoverable)
/* Restore all states. */
@@ -995,7 +1005,7 @@
movi a0, unrecoverable_exception
callx0 a0
-
+ENDPROC(fast_syscall_unrecoverable)
/*
* sysxtensa syscall handler
@@ -1101,7 +1111,7 @@
movi a2, -EINVAL
rfe
-
+ENDPROC(fast_syscall_xtensa)
/* fast_syscall_spill_registers.
@@ -1160,6 +1170,8 @@
movi a2, 0
rfe
+ENDPROC(fast_syscall_spill_registers)
+
/* Fixup handler.
*
* We get here if the spill routine causes an exception, e.g. tlb miss.
@@ -1464,6 +1476,8 @@
callx0 a0 # should not return
1: j 1b
+ENDPROC(_spill_registers)
+
#ifdef CONFIG_MMU
/*
* We should never get here. Bail out!
@@ -1475,6 +1489,8 @@
callx0 a0 # should not return
1: j 1b
+ENDPROC(fast_second_level_miss_double_kernel)
+
/* First-level entry handler for user, kernel, and double 2nd-level
* TLB miss exceptions. Note that for now, user and kernel miss
* exceptions share the same entry point and are handled identically.
@@ -1682,6 +1698,7 @@
j _kernel_exception
1: j _user_exception
+ENDPROC(fast_second_level_miss)
/*
* StoreProhibitedException
@@ -1777,6 +1794,9 @@
bbsi.l a2, PS_UM_BIT, 1f
j _kernel_exception
1: j _user_exception
+
+ENDPROC(fast_store_prohibited)
+
#endif /* CONFIG_MMU */
/*
@@ -1787,6 +1807,7 @@
*/
ENTRY(system_call)
+
entry a1, 32
/* regs->syscall = regs->areg[2] */
@@ -1831,6 +1852,8 @@
callx4 a4
retw
+ENDPROC(system_call)
+
/*
* Task switch.
@@ -1899,6 +1922,7 @@
retw
+ENDPROC(_switch_to)
ENTRY(ret_from_fork)
@@ -1914,6 +1938,8 @@
j common_exception_return
+ENDPROC(ret_from_fork)
+
/*
* Kernel thread creation helper
* On entry, set up by copy_thread: a2 = thread_fn, a3 = thread_fn arg