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-rw-r--r--arch/microblaze/kernel/entry.S34
1 files changed, 5 insertions, 29 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index 91a0e7b185dd..c7353e79f4a2 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -429,12 +429,11 @@ C_ENTRY(ret_from_fork):
429 brid ret_from_trap; /* Do normal trap return */ 429 brid ret_from_trap; /* Do normal trap return */
430 nop; 430 nop;
431 431
432C_ENTRY(sys_vfork_wrapper): 432C_ENTRY(sys_vfork):
433 brid microblaze_vfork /* Do real work (tail-call) */
433 la r5, r1, PTO 434 la r5, r1, PTO
434 brid sys_vfork /* Do real work (tail-call) */
435 nop
436 435
437C_ENTRY(sys_clone_wrapper): 436C_ENTRY(sys_clone):
438 bnei r6, 1f; /* See if child SP arg (arg 1) is 0. */ 437 bnei r6, 1f; /* See if child SP arg (arg 1) is 0. */
439 lwi r6, r1, PTO+PT_R1; /* If so, use paret's stack ptr */ 438 lwi r6, r1, PTO+PT_R1; /* If so, use paret's stack ptr */
4401: la r7, r1, PTO; /* Arg 2: parent context */ 4391: la r7, r1, PTO; /* Arg 2: parent context */
@@ -444,20 +443,9 @@ C_ENTRY(sys_clone_wrapper):
444 brid do_fork /* Do real work (tail-call) */ 443 brid do_fork /* Do real work (tail-call) */
445 nop; 444 nop;
446 445
447C_ENTRY(sys_execve_wrapper): 446C_ENTRY(sys_execve):
448 la r8, r1, PTO; /* add user context as 4th arg */ 447 la r8, r1, PTO; /* add user context as 4th arg */
449 brid sys_execve; /* Do real work (tail-call).*/ 448 brid microblaze_execve; /* Do real work (tail-call).*/
450 nop;
451
452C_ENTRY(sys_sigsuspend_wrapper):
453 swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
454 swi r4, r1, PTO+PT_R4;
455 la r6, r1, PTO; /* add user context as 2nd arg */
456 bralid r15, sys_sigsuspend; /* Do real work.*/
457 nop;
458 lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
459 lwi r4, r1, PTO+PT_R4;
460 bri ret_from_trap /* fall through will not work here due to align */
461 nop; 449 nop;
462 450
463C_ENTRY(sys_rt_sigsuspend_wrapper): 451C_ENTRY(sys_rt_sigsuspend_wrapper):
@@ -471,18 +459,6 @@ C_ENTRY(sys_rt_sigsuspend_wrapper):
471 bri ret_from_trap /* fall through will not work here due to align */ 459 bri ret_from_trap /* fall through will not work here due to align */
472 nop; 460 nop;
473 461
474
475C_ENTRY(sys_sigreturn_wrapper):
476 swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
477 swi r4, r1, PTO+PT_R4;
478 la r5, r1, PTO; /* add user context as 1st arg */
479 brlid r15, sys_sigreturn; /* Do real work.*/
480 nop;
481 lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
482 lwi r4, r1, PTO+PT_R4;
483 bri ret_from_trap /* fall through will not work here due to align */
484 nop;
485
486C_ENTRY(sys_rt_sigreturn_wrapper): 462C_ENTRY(sys_rt_sigreturn_wrapper):
487 swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ 463 swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
488 swi r4, r1, PTO+PT_R4; 464 swi r4, r1, PTO+PT_R4;