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/*
* bspinit.S
*
* BSP specific initialization for Sparc64 RTEMS -- sun4u BSP
*
* COPYRIGHT (c) 2010 Gedare Bloom.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* This code defines start code specific to the sun4u BSP
*
* $Id$
*
*/
#include <rtems/asm.h>
#include <rtems/score/cpu.h>
#include <traptable.h>
#define LSU_CR_IM_MASK (0x0004) /* bit 2 */
#define LSU_CR_DM_MASK (0x0008) /* bit 3 */
#define STACK_WINDOW_SAVE_AREA_SIZE (16*8)
.register %g2, #scratch
.register %g3, #scratch
.section .text
PUBLIC(_BSP_init)
.global _BSP_init
SYM(_BSP_init):
save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
! copy the tba
sethi %hi(real_trap_table), %o0
rdpr %tba, %o2
stx %o2, [%o0 + %lo(real_trap_table)]
! /* copy firmware trap table so that RTEMS can install ISR handlers */
! setx SYM(trap_table), %l0, %o0
! rdpr %tba, %o1
! set TABLE_SIZE, %o2
! call memcpy
! nop
mov %g0, %o0
call _take_mmu
nop
ret
restore
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