/* maverick.h -- Cirrus/DSP co-processor interface header Copyright (C) 2003-2020 Free Software Foundation, Inc. Contributed by Aldy Hernandez (aldyh@redhat.com). This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* Define Co-Processor instruction handlers here. */ /* Here's ARMulator's DSP definition. A few things to note: 1) it has 16 64-bit registers and 4 72-bit accumulators 2) you can only access its registers with MCR and MRC. */ struct maverick_regs { union { int i; float f; } upper; union { int i; float f; } lower; }; union maverick_acc_regs { long double ld; /* Acc registers are 72-bits. */ }; extern struct maverick_regs DSPregs[16]; extern union maverick_acc_regs DSPacc[4]; extern ARMword DSPsc; |