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

Commit 38a9ff6d authored by Vineet Gupta's avatar Vineet Gupta
Browse files

ARC: Remove explicit passing around of ECR 



With ECR now part of pt_regs

* No need to propagate from lowest asm handlers as arg
* No need to save it in tsk->thread.cause_code
* Avoid bit chopping to access the bit-fields

More code consolidation, cleanup

Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 502a0c77

arch/arc/include/asm/bug.h

+2 −3
Original line number Diff line number Diff line
@@ -18,9 +18,8 @@ struct task_struct; 
void show_regs(struct pt_regs *regs);

void show_stacktrace(struct task_struct *tsk, struct pt_regs *regs);

void show_kernel_fault_diag(const char *str, struct pt_regs *regs,

			    unsigned long address, unsigned long cause_reg);

void die(const char *str, struct pt_regs *regs, unsigned long address,

	 unsigned long cause_reg);

			    unsigned long address);

void die(const char *str, struct pt_regs *regs, unsigned long address);



#define BUG()	do {				\

	dump_stack();					\

arch/arc/include/asm/kgdb.h

+2 −2
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ static inline void arch_kgdb_breakpoint(void) 
	__asm__ __volatile__ ("trap_s	0x4\n");

}



extern void kgdb_trap(struct pt_regs *regs, int param);

extern void kgdb_trap(struct pt_regs *regs);



enum arc700_linux_regnums {

	_R0		= 0,
@@ -53,7 +53,7 @@ enum arc700_linux_regnums { 
};



#else

#define kgdb_trap(regs, param)

#define kgdb_trap(regs)

#endif



#endif	/* __ARC_KGDB_H__ */

arch/arc/include/asm/kprobes.h

+2 −4
Original line number Diff line number Diff line
@@ -50,11 +50,9 @@ struct kprobe_ctlblk { 


int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause);

void kretprobe_trampoline(void);

void trap_is_kprobe(unsigned long cause, unsigned long address,

			   struct pt_regs *regs);

void trap_is_kprobe(unsigned long address, struct pt_regs *regs);

#else

static void trap_is_kprobe(unsigned long cause, unsigned long address,

			   struct pt_regs *regs)

static void trap_is_kprobe(unsigned long address, struct pt_regs *regs)

{

}

#endif

arch/arc/include/asm/processor.h

+0 −1
Original line number Diff line number Diff line
@@ -29,7 +29,6 @@ struct thread_struct { 
	unsigned long ksp;	/* kernel mode stack pointer */

	unsigned long callee_reg;	/* pointer to callee regs */

	unsigned long fault_address;	/* dbls as brkpt holder as well */

	unsigned long cause_code;	/* Exception Cause Code (ECR) */

#ifdef CONFIG_ARC_FPU_SAVE_RESTORE

	struct arc_fpu fpu;

#endif

arch/arc/include/asm/unaligned.h

+2 −2
Original line number Diff line number Diff line
@@ -16,11 +16,11 @@ 


#ifdef CONFIG_ARC_MISALIGN_ACCESS

int misaligned_fixup(unsigned long address, struct pt_regs *regs,

		     unsigned long cause, struct callee_regs *cregs);

		     struct callee_regs *cregs);

#else

static inline int

misaligned_fixup(unsigned long address, struct pt_regs *regs,

		 unsigned long cause, struct callee_regs *cregs)

		 struct callee_regs *cregs)

{

	return 0;

}