Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d8748e73 authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: Do not use r0_ram space for syscall debugging 



Remove syscall counting space from r0_ram. Use special
syscall_debug_table pool for syscall statistic.

Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent 495162df

arch/microblaze/kernel/entry.S

+16 −3
Original line number Diff line number Diff line
@@ -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.