summaryrefslogtreecommitdiffstats
path: root/arch/xtensa/kernel/align.S
diff options
context:
space:
mode:
authorChris Zankel <czankel@tensilica.com>2006-12-10 02:18:48 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-10 09:55:39 -0800
commit173d6681380aa1d60dfc35ed7178bd7811ba2784 (patch)
tree9d6d4d2c6dd791499ebab558647efb67ac88ae3a /arch/xtensa/kernel/align.S
parentfd43fe19b830d6cd0eba08a6c6a5f71a6bd9c1b0 (diff)
[PATCH] xtensa: remove extra header files
The Xtensa port contained many header files that were never needed. This rather lengthy patch removes all those files. Unfortunately, there were many dependencies that needed to be updated, so this patch touches quite a few source files. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/xtensa/kernel/align.S')
-rw-r--r--arch/xtensa/kernel/align.S42
1 files changed, 19 insertions, 23 deletions
diff --git a/arch/xtensa/kernel/align.S b/arch/xtensa/kernel/align.S
index a4956578a24..33d6e9d2e83 100644
--- a/arch/xtensa/kernel/align.S
+++ b/arch/xtensa/kernel/align.S
@@ -16,14 +16,9 @@
*/
#include <linux/linkage.h>
-#include <asm/ptrace.h>
-#include <asm/ptrace.h>
#include <asm/current.h>
#include <asm/asm-offsets.h>
-#include <asm/pgtable.h>
#include <asm/processor.h>
-#include <asm/page.h>
-#include <asm/thread_info.h>
#if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION
@@ -216,7 +211,7 @@ ENTRY(fast_unaligned)
extui a5, a4, INSN_OP0, 4 # get insn.op0 nibble
-#if XCHAL_HAVE_NARROW
+#if XCHAL_HAVE_DENSITY
_beqi a5, OP0_L32I_N, .Lload # L32I.N, jump
addi a6, a5, -OP0_S32I_N
_beqz a6, .Lstore # S32I.N, do a store
@@ -251,7 +246,7 @@ ENTRY(fast_unaligned)
#endif
__src_b a3, a5, a6 # a3 has the data word
-#if XCHAL_HAVE_NARROW
+#if XCHAL_HAVE_DENSITY
addi a7, a7, 2 # increment PC (assume 16-bit insn)
extui a5, a4, INSN_OP0, 4
@@ -279,14 +274,14 @@ ENTRY(fast_unaligned)
1:
-#if XCHAL_HAVE_LOOP
- rsr a3, LEND # check if we reached LEND
- bne a7, a3, 1f
- rsr a3, LCOUNT # and LCOUNT != 0
- beqz a3, 1f
- addi a3, a3, -1 # decrement LCOUNT and set
+#if XCHAL_HAVE_LOOPS
+ rsr a5, LEND # check if we reached LEND
+ bne a7, a5, 1f
+ rsr a5, LCOUNT # and LCOUNT != 0
+ beqz a5, 1f
+ addi a5, a5, -1 # decrement LCOUNT and set
rsr a7, LBEG # set PC to LBEGIN
- wsr a3, LCOUNT
+ wsr a5, LCOUNT
#endif
1: wsr a7, EPC_1 # skip load instruction
@@ -336,7 +331,7 @@ ENTRY(fast_unaligned)
movi a6, 0 # mask: ffffffff:00000000
-#if XCHAL_HAVE_NARROW
+#if XCHAL_HAVE_DENSITY
addi a7, a7, 2 # incr. PC,assume 16-bit instruction
extui a5, a4, INSN_OP0, 4 # extract OP0
@@ -359,14 +354,14 @@ ENTRY(fast_unaligned)
/* Get memory address */
1:
-#if XCHAL_HAVE_LOOP
- rsr a3, LEND # check if we reached LEND
- bne a7, a3, 1f
- rsr a3, LCOUNT # and LCOUNT != 0
- beqz a3, 1f
- addi a3, a3, -1 # decrement LCOUNT and set
+#if XCHAL_HAVE_LOOPS
+ rsr a4, LEND # check if we reached LEND
+ bne a7, a4, 1f
+ rsr a4, LCOUNT # and LCOUNT != 0
+ beqz a4, 1f
+ addi a4, a4, -1 # decrement LCOUNT and set
rsr a7, LBEG # set PC to LBEGIN
- wsr a3, LCOUNT
+ wsr a4, LCOUNT
#endif
1: wsr a7, EPC_1 # skip store instruction
@@ -416,6 +411,7 @@ ENTRY(fast_unaligned)
/* Restore working register */
+ l32i a8, a2, PT_AREG8
l32i a7, a2, PT_AREG7
l32i a6, a2, PT_AREG6
l32i a5, a2, PT_AREG5
@@ -446,7 +442,7 @@ ENTRY(fast_unaligned)
mov a1, a2
rsr a0, PS
- bbsi.l a2, PS_UM_SHIFT, 1f # jump if user mode
+ bbsi.l a2, PS_UM_BIT, 1f # jump if user mode
movi a0, _kernel_exception
jx a0