109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2024 Stanislav Shwartsman
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// Written by Stanislav Shwartsman [sshwarts at sourceforge net]
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
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//
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/////////////////////////////////////////////////////////////////////////
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#ifndef BX_AMX_EXTENSIONS_H
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#define BX_AMX_EXTENSIONS_H
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#if BX_SUPPORT_AMX
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#include "cpu/xmm.h"
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#define BX_TILE_REGISTERS 8
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struct AMX {
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AMX(): palette_id(0), start_row(0) {}
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unsigned palette_id; // 0 if tiles are not configured
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unsigned start_row; // used to restart tile operations
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struct TILECFG {
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unsigned rows, bytes_per_row;
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TILECFG() { clear(); }
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void clear() { rows = bytes_per_row = 0; }
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} tilecfg[BX_TILE_REGISTERS];
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bool tiles_configured() const { return palette_id != 0; }
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void clear_tilecfg() {
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for (int i=0;i<BX_TILE_REGISTERS;i++) tilecfg[i].clear();
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}
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bool tile_valid(unsigned tile_num) const { return tilecfg[tile_num].rows != 0; }
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unsigned tile_num_rows(unsigned tile_num) const { return tilecfg[tile_num].rows; }
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unsigned tile_bytes_per_row(unsigned tile_num) const { return tilecfg[tile_num].bytes_per_row; }
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bool is_tile_used(unsigned tile_num) const { return tile_use_tracker & (1 << tile_num); }
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void set_tile_used(unsigned tile_num) { tile_use_tracker |= (1 << tile_num); }
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void clear_tile_used(unsigned tile_num) { tile_use_tracker &= ~(1 << tile_num); }
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void restart() { start_row = 0; }
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struct TILE {
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#define BX_TILE_MAX_ROWS (16)
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bx_zmm_reg_t row[BX_TILE_MAX_ROWS];
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TILE() { clear(); }
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// clear upper part of a row (clears dwords limit..16)
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void zero_upper_row_data32(unsigned nrow, unsigned limit)
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{
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for (unsigned i=limit; i < 16; i++)
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row[nrow].vmm32u(i) = 0;
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}
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// clear 0..nrows
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void clear_rows(unsigned nrows) {
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for (unsigned i=0; i < nrows; i++)
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row[i].clear();
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}
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// clear nrows..MAX_ROWS
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void clear_upper_rows(unsigned nrows) {
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for (unsigned i=nrows; i < BX_TILE_MAX_ROWS; i++)
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row[i].clear();
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}
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void clear() { clear_rows(BX_TILE_MAX_ROWS); }
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} tile[BX_TILE_REGISTERS] BX_CPP_AlignN(64);
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unsigned tile_use_tracker;
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void clear_tiles() {
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for (int i=0;i<BX_TILE_REGISTERS;i++) tile[i].clear();
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}
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void clear() {
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palette_id = 0;
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start_row = 0;
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tile_use_tracker = 0;
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clear_tiles();
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clear_tilecfg();
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}
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};
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#endif // BX_SUPPORT_AMX
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#endif
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