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authorChris Zankel <chris@zankel.net>2012-11-16 16:16:20 -0800
committerChris Zankel <chris@zankel.net>2012-12-18 21:10:20 -0800
commitd1538c4675f37d0eeb34bd38bec798b3b29a5a7e (patch)
tree4fa2d2c539825ad99f2f677cef686ea0051fbe9f /arch/xtensa/kernel/vectors.S
parentc0226e34a4293dee0e7c5787e1ebfc5ee8b44b7c (diff)
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>
Diffstat (limited to 'arch/xtensa/kernel/vectors.S')
-rw-r--r--arch/xtensa/kernel/vectors.S51
1 files changed, 33 insertions, 18 deletions
diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S
index 3a57c15f7942..9365ee5064d3 100644
--- a/arch/xtensa/kernel/vectors.S
+++ b/arch/xtensa/kernel/vectors.S
@@ -79,6 +79,8 @@ ENTRY(_UserExceptionVector)
l32i a0, a0, EXC_TABLE_FAST_USER # load handler
jx a0
+ENDPROC(_UserExceptionVector)
+
/*
* Kernel exception vector. (Exceptions with PS.UM == 0, PS.EXCM == 0)
*
@@ -103,6 +105,7 @@ ENTRY(_KernelExceptionVector)
l32i a0, a0, EXC_TABLE_FAST_KERNEL # load handler address
jx a0
+ENDPROC(_KernelExceptionVector)
/*
* Double exception vector (Exceptions with PS.EXCM == 1)
@@ -344,6 +347,7 @@ ENTRY(_DoubleExceptionVector)
.end literal_prefix
+ENDPROC(_DoubleExceptionVector)
/*
* Debug interrupt vector
@@ -355,9 +359,11 @@ ENTRY(_DoubleExceptionVector)
.section .DebugInterruptVector.text, "ax"
ENTRY(_DebugInterruptVector)
+
xsr a0, SREG_EXCSAVE + XCHAL_DEBUGLEVEL
jx a0
+ENDPROC(_DebugInterruptVector)
/* Window overflow and underflow handlers.
@@ -369,38 +375,43 @@ ENTRY(_DebugInterruptVector)
* we try to access any page that would cause a page fault early.
*/
+#define ENTRY_ALIGN64(name) \
+ .globl name; \
+ .align 64; \
+ name:
+
.section .WindowVectors.text, "ax"
/* 4-Register Window Overflow Vector (Handler) */
- .align 64
-.global _WindowOverflow4
-_WindowOverflow4:
+ENTRY_ALIGN64(_WindowOverflow4)
+
s32e a0, a5, -16
s32e a1, a5, -12
s32e a2, a5, -8
s32e a3, a5, -4
rfwo
+ENDPROC(_WindowOverflow4)
+
/* 4-Register Window Underflow Vector (Handler) */
- .align 64
-.global _WindowUnderflow4
-_WindowUnderflow4:
+ENTRY_ALIGN64(_WindowUnderflow4)
+
l32e a0, a5, -16
l32e a1, a5, -12
l32e a2, a5, -8
l32e a3, a5, -4
rfwu
+ENDPROC(_WindowUnderflow4)
/* 8-Register Window Overflow Vector (Handler) */
- .align 64
-.global _WindowOverflow8
-_WindowOverflow8:
+ENTRY_ALIGN64(_WindowOverflow8)
+
s32e a0, a9, -16
l32e a0, a1, -12
s32e a2, a9, -8
@@ -412,11 +423,12 @@ _WindowOverflow8:
s32e a7, a0, -20
rfwo
+ENDPROC(_WindowOverflow8)
+
/* 8-Register Window Underflow Vector (Handler) */
- .align 64
-.global _WindowUnderflow8
-_WindowUnderflow8:
+ENTRY_ALIGN64(_WindowUnderflow8)
+
l32e a1, a9, -12
l32e a0, a9, -16
l32e a7, a1, -12
@@ -428,12 +440,12 @@ _WindowUnderflow8:
l32e a7, a7, -20
rfwu
+ENDPROC(_WindowUnderflow8)
/* 12-Register Window Overflow Vector (Handler) */
- .align 64
-.global _WindowOverflow12
-_WindowOverflow12:
+ENTRY_ALIGN64(_WindowOverflow12)
+
s32e a0, a13, -16
l32e a0, a1, -12
s32e a1, a13, -12
@@ -449,11 +461,12 @@ _WindowOverflow12:
s32e a11, a0, -20
rfwo
+ENDPROC(_WindowOverflow12)
+
/* 12-Register Window Underflow Vector (Handler) */
- .align 64
-.global _WindowUnderflow12
-_WindowUnderflow12:
+ENTRY_ALIGN64(_WindowUnderflow12)
+
l32e a1, a13, -12
l32e a0, a13, -16
l32e a11, a1, -12
@@ -469,6 +482,8 @@ _WindowUnderflow12:
l32e a11, a11, -20
rfwu
+ENDPROC(_WindowUnderflow12)
+
.text