diff options
Diffstat (limited to 'libgloss/sparc_leon/locore_mvt_reset.S')
-rw-r--r-- | libgloss/sparc_leon/locore_mvt_reset.S | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libgloss/sparc_leon/locore_mvt_reset.S b/libgloss/sparc_leon/locore_mvt_reset.S new file mode 100644 index 000000000..74cc92ed5 --- /dev/null +++ b/libgloss/sparc_leon/locore_mvt_reset.S @@ -0,0 +1,52 @@ +/* + * 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 _hardreset_mvt + .set _hardreset_mvt,_hardreset_mvt_ram + /* ------- */ + .global _hardreset + +_hardreset_mvt_ram: + mov %psr, %g1 + srl %g1, 24, %g1 + and %g1, 3, %g1 + subcc %g1, 3, %g0 ! leon2: 0 or 2, leon3: 3 + bne .L2 + nop + + mov %asr17, %g1 ! set svt + set 1<<13,%g2 + andn %g1,%g2,%g1 + mov %g1, %asr17 + +.L2: mov %g0, %g4 + sethi %hi(_hardreset), %g4 + jmp %g4+%lo(_hardreset); + nop + |