add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/sparc/kernel/traps_32.c
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@@ -86,9 +86,7 @@
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 	}
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 	printk("Instruction DUMP:");
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 	instruction_dump ((unsigned long *) regs->pc);
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-	if(regs->psr & PSR_PS)
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-		do_exit(SIGKILL);
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-	do_exit(SIGSEGV);
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+	make_task_dead((regs->psr & PSR_PS) ? SIGKILL : SIGSEGV);
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 }
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 void do_hw_interrupt(struct pt_regs *regs, unsigned long type)