summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/microblaze/kernel/entry.S19
1 files changed, 16 insertions, 3 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index 41c30cdb2704..5010f0b22ca6 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -39,6 +39,15 @@
/* The offset of the struct pt_regs in a `state save frame' on the stack. */
#define PTO STATE_SAVE_ARG_SPACE /* 24 the space for args */
+#ifdef DEBUG
+/* Create space for syscalls counting. */
+.section .data
+.global syscall_debug_table
+.align 4
+syscall_debug_table:
+ .space (__NR_syscalls * 4)
+#endif /* DEBUG */
+
#define C_ENTRY(name) .globl name; .align 4; name
/*
@@ -371,10 +380,14 @@ C_ENTRY(_user_exception):
add r12, r12, r12;
#ifdef DEBUG
- /* Trac syscalls and stored them to r0_ram */
- lwi r3, r12, 0x400 + r0_ram
+ /* Trac syscalls and stored them to syscall_debug_table */
+ /* The first syscall location stores total syscall number */
+ lwi r3, r0, syscall_debug_table
+ addi r3, r3, 1
+ swi r3, r0, syscall_debug_table
+ lwi r3, r12, syscall_debug_table
addi r3, r3, 1
- swi r3, r12, 0x400 + r0_ram
+ swi r3, r12, syscall_debug_table
#endif
# Find and jump into the syscall handler.