aboutsummaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/include/asm/assembler.h10
-rw-r--r--arch/arm/lib/lib1funcs.S8
-rw-r--r--arch/arm/lib/memcpy.S6
-rw-r--r--arch/arm/lib/relocate.S10
-rw-r--r--arch/arm/lib/setjmp.S4
5 files changed, 19 insertions, 19 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index b146918..8d42ef4 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -58,16 +58,22 @@
#endif
/*
- * We only support cores that support at least Thumb-1 and thus we use
- * 'bx lr'
+ * Use 'bx lr' everywhere except ARMv4 (without 'T') where only 'mov pc, lr'
+ * works
*/
.irp c,,eq,ne,cs,cc,mi,pl,vs,vc,hi,ls,ge,lt,gt,le,hs,lo
.macro ret\c, reg
+
+ /* ARMv4- don't know bx lr but the assembler fails to see that */
+#ifdef __ARM_ARCH_4__
+ mov\c pc, \reg
+#else
.ifeqs "\reg", "lr"
bx\c \reg
.else
mov\c pc, \reg
.endif
+#endif
.endm
.endr
diff --git a/arch/arm/lib/lib1funcs.S b/arch/arm/lib/lib1funcs.S
index 700eee5..7ff4446 100644
--- a/arch/arm/lib/lib1funcs.S
+++ b/arch/arm/lib/lib1funcs.S
@@ -377,7 +377,7 @@ ENTRY(__gnu_thumb1_case_sqi)
lsls r1, r1, #1
add lr, lr, r1
pop {r1}
- bx lr
+ ret lr
ENDPROC(__gnu_thumb1_case_sqi)
.popsection
@@ -391,7 +391,7 @@ ENTRY(__gnu_thumb1_case_uqi)
lsls r1, r1, #1
add lr, lr, r1
pop {r1}
- bx lr
+ ret lr
ENDPROC(__gnu_thumb1_case_uqi)
.popsection
@@ -406,7 +406,7 @@ ENTRY(__gnu_thumb1_case_shi)
lsls r1, r1, #1
add lr, lr, r1
pop {r0, r1}
- bx lr
+ ret lr
ENDPROC(__gnu_thumb1_case_shi)
.popsection
@@ -421,7 +421,7 @@ ENTRY(__gnu_thumb1_case_uhi)
lsls r1, r1, #1
add lr, lr, r1
pop {r0, r1}
- bx lr
+ ret lr
ENDPROC(__gnu_thumb1_case_uhi)
.popsection
#endif
diff --git a/arch/arm/lib/memcpy.S b/arch/arm/lib/memcpy.S
index eee7a21..a1c996f 100644
--- a/arch/arm/lib/memcpy.S
+++ b/arch/arm/lib/memcpy.S
@@ -59,7 +59,7 @@
#endif
ENTRY(memcpy)
cmp r0, r1
- bxeq lr
+ reteq lr
enter r4, lr
@@ -148,7 +148,7 @@ ENTRY(memcpy)
str1b r0, ip, cs, abort=21f
exit r4, lr
- bx lr
+ ret lr
9: rsb ip, ip, #4
cmp ip, #2
@@ -258,7 +258,7 @@ ENTRY(memcpy)
.macro copy_abort_end
ldmfd sp!, {r4, lr}
- bx lr
+ ret lr
.endm
ENDPROC(memcpy)
diff --git a/arch/arm/lib/relocate.S b/arch/arm/lib/relocate.S
index 5102bfa..dd6f2e3 100644
--- a/arch/arm/lib/relocate.S
+++ b/arch/arm/lib/relocate.S
@@ -61,7 +61,7 @@ ENTRY(relocate_vectors)
stmia r1!, {r2-r8,r10}
#endif
#endif
- bx lr
+ ret lr
ENDPROC(relocate_vectors)
@@ -127,13 +127,7 @@ relocate_done:
mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */
#endif
- /* ARMv4- don't know bx lr but the assembler fails to see that */
-
-#ifdef __ARM_ARCH_4__
- mov pc, lr
-#else
- bx lr
-#endif
+ ret lr
ENDPROC(relocate_code)
diff --git a/arch/arm/lib/setjmp.S b/arch/arm/lib/setjmp.S
index 176a1d5..2f041ae 100644
--- a/arch/arm/lib/setjmp.S
+++ b/arch/arm/lib/setjmp.S
@@ -17,7 +17,7 @@ ENTRY(setjmp)
mov ip, sp
stm a1, {v1-v8, ip, lr}
mov a1, #0
- bx lr
+ ret lr
ENDPROC(setjmp)
.popsection
@@ -31,6 +31,6 @@ ENTRY(longjmp)
bne 1f
mov a1, #1
1:
- bx lr
+ ret lr
ENDPROC(longjmp)
.popsection