source: rtems/c/src/lib/libbsp/sparc64/usiii/start/bspinit.S @ 183af89

4.115
Last change on this file since 183af89 was 183af89, checked in by Joel Sherrill <joel.sherrill@…>, on 05/03/12 at 19:17:23

Miscellaneous - Clean up file headers so patterns followed

XXX
  • Property mode set to 100644
File size: 1.1 KB
Line 
1/*
2 *  BSP specific initialization for Sparc64 RTEMS -- sun4u BSP
3 *
4 *  This code defines start code specific to the sun4u BSP
5 */
6
7/*
8 *
9 *  COPYRIGHT (c) 2010 Gedare Bloom.
10 *
11 *  The license and distribution terms for this file may be
12 *  found in the file LICENSE in this distribution or at
13 *  http://www.rtems.com/license/LICENSE.
14 *
15 *  $Id$
16 */
17
18#include <rtems/asm.h>
19#include <rtems/score/cpu.h>
20
21#include <traptable.h>
22
23#define LSU_CR_IM_MASK  (0x0004)  /* bit 2 */
24#define LSU_CR_DM_MASK  (0x0008)  /* bit 3 */
25
26#define STACK_WINDOW_SAVE_AREA_SIZE (16*8)
27
28.register %g2, #scratch
29.register %g3, #scratch
30
31.section .text
32
33PUBLIC(_BSP_init)
34.global _BSP_init
35  SYM(_BSP_init):
36  save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
37
38  ! copy the tba
39  sethi %hi(real_trap_table), %o0
40  rdpr  %tba, %o2
41  stx   %o2, [%o0 + %lo(real_trap_table)]
42
43!  /* copy firmware trap table so that RTEMS can install ISR handlers */
44!  setx  SYM(trap_table), %l0, %o0
45!  rdpr  %tba, %o1
46!  set TABLE_SIZE, %o2
47!  call memcpy
48!  nop
49
50  mov %g0, %o0
51  call _take_mmu
52  nop
53
54  ret
55  restore
56
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