Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /***************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *	vectors.c  -- high level trap setup for ColdFire
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *	Copyright (C) 1999-2007, Greg Ungerer <gerg@snapgear.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) /***************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <asm/traps.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <asm/machdep.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <asm/coldfire.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <asm/mcfsim.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm/mcfwdebug.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /***************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #ifdef TRAP_DBG_INTERRUPT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) asmlinkage void dbginterrupt_c(struct frame *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	extern void dump(struct pt_regs *fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	printk(KERN_DEBUG "%s(%d): BUS ERROR TRAP\n", __FILE__, __LINE__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	dump((struct pt_regs *) fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	asm("halt");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /***************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) /* Assembler routines */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) asmlinkage void buserr(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) asmlinkage void trap(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) asmlinkage void system_call(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) asmlinkage void inthandler(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) void __init trap_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	 *	There is a common trap handler and common interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	 *	handler that handle almost every vector. We treat
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	 *	the system call and bus error special, they get their
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	 *	own first level handlers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	for (i = 3; (i <= 23); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 		_ramvec[i] = trap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	for (i = 33; (i <= 63); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 		_ramvec[i] = trap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	for (i = 24; (i <= 31); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		_ramvec[i] = inthandler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	for (i = 64; (i < 255); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 		_ramvec[i] = inthandler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	_ramvec[255] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	_ramvec[2] = buserr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	_ramvec[32] = system_call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #ifdef TRAP_DBG_INTERRUPT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	_ramvec[12] = dbginterrupt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) /***************************************************************************/