aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/kernel/entry-common.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/kernel/entry-common.S')
-rw-r--r--arch/arm/kernel/entry-common.S28
1 files changed, 0 insertions, 28 deletions
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 54ee265dd819..7bd2d3cb8957 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -335,20 +335,6 @@ ENDPROC(ftrace_stub)
*-----------------------------------------------------------------------------
*/
- /* If we're optimising for StrongARM the resulting code won't
- run on an ARM7 and we can save a couple of instructions.
- --pb */
-#ifdef CONFIG_CPU_ARM710
-#define A710(code...) code
-.Larm710bug:
- ldmia sp, {r0 - lr}^ @ Get calling r0 - lr
- mov r0, r0
- add sp, sp, #S_FRAME_SIZE
- subs pc, lr, #4
-#else
-#define A710(code...)
-#endif
-
.align 5
ENTRY(vector_swi)
sub sp, sp, #S_FRAME_SIZE
@@ -379,9 +365,6 @@ ENTRY(vector_swi)
ldreq r10, [lr, #-4] @ get SWI instruction
#else
ldr r10, [lr, #-4] @ get SWI instruction
- A710( and ip, r10, #0x0f000000 @ check for SWI )
- A710( teq ip, #0x0f000000 )
- A710( bne .Larm710bug )
#endif
#ifdef CONFIG_CPU_ENDIAN_BE8
rev r10, r10 @ little endian instruction
@@ -392,26 +375,15 @@ ENTRY(vector_swi)
/*
* Pure EABI user space always put syscall number into scno (r7).
*/
- A710( ldr ip, [lr, #-4] @ get SWI instruction )
- A710( and ip, ip, #0x0f000000 @ check for SWI )
- A710( teq ip, #0x0f000000 )
- A710( bne .Larm710bug )
-
#elif defined(CONFIG_ARM_THUMB)
-
/* Legacy ABI only, possibly thumb mode. */
tst r8, #PSR_T_BIT @ this is SPSR from save_user_regs
addne scno, r7, #__NR_SYSCALL_BASE @ put OS number in
ldreq scno, [lr, #-4]
#else
-
/* Legacy ABI only. */
ldr scno, [lr, #-4] @ get SWI instruction
- A710( and ip, scno, #0x0f000000 @ check for SWI )
- A710( teq ip, #0x0f000000 )
- A710( bne .Larm710bug )
-
#endif
#ifdef CONFIG_ALIGNMENT_TRAP