h8300: generic kernel_thread() (557e1995) · Commits · 戴 / test

arch/h8300/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -8,6 +8,7 @@ config H8300
		select GENERIC_IRQ_SHOW
		select GENERIC_CPU_DEVICES
		select MODULES_USE_ELF_RELA
		select GENERIC_KERNEL_THREAD

		config SYMBOL_PREFIX
		string

+0 −2

Original line number	Diff line number	Diff line
		@@ -107,8 +107,6 @@ static inline void release_thread(struct task_struct *dead_task)
		{
		}

		extern int kernel_thread(int (fn)(void ), void * arg, unsigned long flags);

		/*
		* Free current thread data structures etc..
		*/

+2 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,8 @@ struct pt_regs {
		#define user_mode(regs) (!((regs)->ccr & PS_S))
		#define instruction_pointer(regs) ((regs)->pc)
		#define profile_pc(regs) instruction_pointer(regs)
		#define current_pt_regs() ((struct pt_regs *) \
		(THREAD_SIZE + (unsigned long)current_thread_info()) - 1)
		#endif /* __KERNEL__ */
		#endif /* __ASSEMBLY__ */
		#endif /* _H8300_PTRACE_H */

+10 −0

Original line number	Diff line number	Diff line
		@@ -158,6 +158,7 @@ INTERRUPTS = 128
		.globl SYMBOL_NAME(system_call)
		.globl SYMBOL_NAME(ret_from_exception)
		.globl SYMBOL_NAME(ret_from_fork)
		.globl SYMBOL_NAME(ret_from_kernel_thread)
		.globl SYMBOL_NAME(ret_from_interrupt)
		.globl SYMBOL_NAME(interrupt_redirect_table)
		.globl SYMBOL_NAME(sw_ksp),SYMBOL_NAME(sw_usp)
		@@ -330,6 +331,15 @@ SYMBOL_NAME_LABEL(ret_from_fork)
		jsr @SYMBOL_NAME(schedule_tail)
		jmp @SYMBOL_NAME(ret_from_exception)

		SYMBOL_NAME_LABEL(ret_from_kernel_thread)
		mov.l er2,er0
		jsr @SYMBOL_NAME(schedule_tail)
		mov.l @(LER4:16,sp),er0
		mov.l @(LER5:16,sp),er1
		jsr @er1
		sub.l @er0,@er0
		jsr @SYMBOL_NAME(sys_exit)

		SYMBOL_NAME_LABEL(resume)
		/*
		* Beware - when entering resume, offset of tss is in d1,

+0 −1