Blame view

kernel/linux-rt-4.4.41/arch/mips/dec/prom/locore.S 439 Bytes
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
  /*
   * locore.S
   */
  #include <asm/asm.h>
  #include <asm/regdef.h>
  #include <asm/mipsregs.h>
  
  	.text
  
  /*
   * Simple general exception handling routine. This one is used for the
   * Memory sizing routine for pmax machines. HK
   */
  
  NESTED(genexcept_early, 0, sp)
  	.set	noat
  	.set	noreorder
  
  	mfc0	k0, CP0_STATUS
  	la	k1, mem_err
  
  	sw	k0, 0(k1)
  
  	mfc0	k0, CP0_EPC
  	nop
  	addiu	k0, 4		# skip the causing instruction
  	jr	k0
  	 rfe
  END(genexcept_early)