source: trunk/libs/newlib/src/libgloss/sparc_leon/locore_var.S @ 444

/*
 * Copyright (c) 2011 Aeroflex Gaisler
 *
 * BSD license:
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

        
        .section .text
        /* ------- */
        .weak   _hardreset_custom_weak
        .set    _hardreset_custom_weak,_hardreset_custom_weak_dummy
        /* ------- */
        .global _nwindows, _leon_version, _nwindows_min1
        
_hardreset_custom_weak_dummy:

!''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
! get nwindows and leon version
                        
        mov     %psr, %l3
        srl     %l3, 24, %g5
        and     %g5, 3, %g5
        subcc   %g5, 3, %g0             ! leon3:        3
        bne     1f
        nop
        set     _leon_version,%l0
        set     3,%l1
        st      %l1,[%l0]
        mov     %asr17, %g5             ! leon3 has nwindows in %asr17
        ba      2f
1:
        /* other version */
2:
        and     %g5, 0x1f, %g5
        set     _nwindows_min1, %l3
        st      %g5, [%l3]
        add     %g5,1,%g5
        set     _nwindows, %l3
        st      %g5, [%l3]
        set     _nwindows_min2, %l3
        sub     %g5,2,%g5
        st      %g5, [%l3]
        
!''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
        
        retl
        nop

!''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
        .section .data
        .global _nwindows, _leon_version, _nwindows_min1, _nwindows_min2
_nwindows:
        .word 8
_nwindows_min1: 
        .word 7
_nwindows_min2: 
        .word 6
_leon_version:
        .word 3