115 lines
2.7 KiB
ArmAsm
115 lines
2.7 KiB
ArmAsm
/*
|
|
* 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.
|
|
*/
|
|
|
|
|
|
#include <asm-leon/head.h>
|
|
|
|
.section .text
|
|
/* ------- */
|
|
.weak _cleanregs_custom_weak
|
|
.set _cleanregs_custom_weak,_cleanregs_donothing
|
|
/* ------- */
|
|
.global _cleanregs_libgloss
|
|
|
|
|
|
_cleanregs_donothing:
|
|
_cleanregs_libgloss:
|
|
retl
|
|
nop
|
|
|
|
|
|
#define NUMREGWINDOWS 8
|
|
|
|
//_cleanregs_libgloss:
|
|
|
|
!''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
|
|
! initialize regs with values
|
|
//#define REGINIT
|
|
#ifdef REGINIT
|
|
|
|
mov %psr, %g3
|
|
mov %wim, %g4
|
|
mov %sp, %g5
|
|
mov %fp, %g6
|
|
mov %o7, %g7
|
|
mov %g0, %wim
|
|
set 0, %g1
|
|
andn %g3,0x1f,%l0
|
|
mov %l0,%psr
|
|
nop; nop; nop
|
|
|
|
3: set 0x0001,%i0
|
|
set 0x0101,%i1
|
|
set 0x0201,%i2
|
|
set 0x0301,%i3
|
|
set 0x0401,%i4
|
|
set 0x0501,%i5
|
|
set 0x0601,%i6
|
|
set 0x0701,%i7
|
|
set 0x0801,%l0
|
|
set 0x0901,%l1
|
|
set 0x1001,%l2
|
|
set 0x1101,%l3
|
|
set 0x1201,%l4
|
|
set 0x1301,%l5
|
|
set 0x1401,%l6
|
|
set 0x1501,%l7
|
|
or %g1,%i0,%i0
|
|
or %g1,%i1,%i1
|
|
or %g1,%i2,%i2
|
|
or %g1,%i3,%i3
|
|
or %g1,%i4,%i4
|
|
or %g1,%i5,%i5
|
|
or %g1,%i6,%i6
|
|
or %g1,%i7,%i7
|
|
or %g1,%l0,%l0
|
|
or %g1,%l1,%l1
|
|
or %g1,%l2,%l2
|
|
or %g1,%l3,%l3
|
|
or %g1,%l4,%l4
|
|
or %g1,%l5,%l5
|
|
or %g1,%l6,%l6
|
|
or %g1,%l7,%l7
|
|
restore
|
|
set 0x10000,%g2
|
|
add %g1,%g2,%g1
|
|
set NUMREGWINDOWS*0x10000,%g2
|
|
cmp %g1,%g2
|
|
bne 3b
|
|
nop
|
|
|
|
mov %g4,%wim
|
|
nop; nop; nop;
|
|
mov %g3,%psr
|
|
nop; nop; nop;
|
|
mov %g5, %sp
|
|
mov %g6, %fp
|
|
|
|
#endif
|
|
!''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
|
|
|
|
jmpl %g7+8,%g0
|
|
nop
|
|
|