csky: remove unused members in processor.h (17a68777) · Commits · 戴 / test

arch/csky/include/asm/processor.h

+0 −12

Original line number	Diff line number	Diff line
		@@ -17,14 +17,7 @@
		#endif

		struct cpuinfo_csky {
		unsigned long udelay_val;
		unsigned long asid_cache;
		/*
		* Capability and feature descriptor structure for CSKY CPU
		*/
		unsigned long options;
		unsigned int processor_id[4];
		unsigned int fpu_id;
		} __aligned(SMP_CACHE_BYTES);

		extern struct cpuinfo_csky cpu_data[];
		@@ -50,11 +43,6 @@ extern struct cpuinfo_csky cpu_data[];
		struct thread_struct {
		unsigned long ksp; /* kernel stack pointer */
		unsigned long sr; /* saved status register */
		unsigned long esp0; /* points to SR of stack frame */

		/* Other stuff associated with the thread. */
		unsigned long address; /* Last user fault */
		unsigned long error_code;

		/* FPU regs */
		struct user_fp __aligned(16) user_fp;

+0 −1

Original line number	Diff line number	Diff line
		@@ -20,7 +20,6 @@ int main(void)
		/* offsets into the thread struct */
		DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
		DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
		DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
		DEFINE(THREAD_FESR, offsetof(struct thread_struct, user_fp.fesr));
		DEFINE(THREAD_FCR, offsetof(struct thread_struct, user_fp.fcr));
		DEFINE(THREAD_FPREG, offsetof(struct thread_struct, user_fp.vr));

+0 −12

Original line number	Diff line number	Diff line
		@@ -122,16 +122,6 @@ ENTRY(csky_systemcall)

		psrset ee, ie

		/* Stack frame for syscall, origin call set_esp0 */
		mov r12, sp

		bmaski r11, 13
		andn r12, r11
		bgeni r11, 9
		addi r11, 32
		addu r12, r11
		st sp, (r12, 0)

		lrw r11, __NR_syscalls
		cmphs syscallid, r11 /* Check nr of syscall */
		bt ret_from_exception
		@@ -230,8 +220,6 @@ resume_userspace:
		1: RESTORE_ALL

		exit_work:
		mov a0, sp /* Stack address is arg[0] */
		jbsr set_esp0 /* Call C level */
		btsti r8, TIF_NEED_RESCHED
		bt work_resched
		/* If thread_info->flag is empty, RESTORE_ALL */

+0 −4

Original line number	Diff line number	Diff line
		@@ -50,15 +50,11 @@ static void singlestep_enable(struct task_struct *tsk)
		*/
		void user_enable_single_step(struct task_struct *child)
		{
		if (child->thread.esp0 == 0)
		return;
		singlestep_enable(child);
		}

		void user_disable_single_step(struct task_struct *child)
		{
		if (child->thread.esp0 == 0)
		return;
		singlestep_disable(child);
		}

+0 −2

Original line number	Diff line number	Diff line
		@@ -238,8 +238,6 @@ static void do_signal(struct pt_regs *regs, int syscall)
		if (!user_mode(regs))
		return;

		current->thread.esp0 = (unsigned long)regs;

		/*
		* If we were from a system call, check for system call restarting...
		*/