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-rw-r--r--arch/microblaze/kernel/entry.S19
1 files changed, 4 insertions, 15 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index e3ecb36dd554..3bad4ff49471 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -31,6 +31,8 @@
#include <linux/errno.h>
#include <asm/signal.h>
+#undef DEBUG
+
/* The size of a state save frame. */
#define STATE_SAVE_SIZE (PT_SIZE + STATE_SAVE_ARG_SPACE)
@@ -352,10 +354,12 @@ C_ENTRY(_user_exception):
add r12, r12, r12; /* convert num -> ptr */
add r12, r12, r12;
+#ifdef DEBUG
/* Trac syscalls and stored them to r0_ram */
lwi r3, r12, 0x400 + r0_ram
addi r3, r3, 1
swi r3, r12, 0x400 + r0_ram
+#endif
# Find and jump into the syscall handler.
lwi r12, r12, sys_call_table
@@ -496,17 +500,6 @@ C_ENTRY(sys_execve):
brid microblaze_execve; /* Do real work (tail-call).*/
nop;
-C_ENTRY(sys_rt_sigsuspend_wrapper):
- swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
- swi r4, r1, PTO+PT_R4;
- la r7, r1, PTO; /* add user context as 3rd arg */
- brlid r15, sys_rt_sigsuspend; /* Do real work.*/
- nop;
- lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
- lwi r4, r1, PTO+PT_R4;
- bri ret_from_trap /* fall through will not work here due to align */
- nop;
-
C_ENTRY(sys_rt_sigreturn_wrapper):
swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
swi r4, r1, PTO+PT_R4;
@@ -711,15 +704,11 @@ C_ENTRY(ret_from_exc):
* (in a possibly modified form) after do_signal returns.
* store return registers separately because this macros is use
* for others exceptions */
- swi r3, r1, PTO + PT_R3;
- swi r4, r1, PTO + PT_R4;
la r5, r1, PTO; /* Arg 1: struct pt_regs *regs */
add r6, r0, r0; /* Arg 2: sigset_t *oldset */
addi r7, r0, 0; /* Arg 3: int in_syscall */
bralid r15, do_signal; /* Handle any signals */
nop;
- lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
- lwi r4, r1, PTO+PT_R4;
/* Finally, return to user state. */
1: swi r0, r0, PER_CPU(KM); /* Now officially in user state. */