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1181 |
sfurman |
/* CPU data for openrisc.
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THIS FILE IS MACHINE GENERATED WITH CGEN.
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU Binutils and/or GDB, the GNU debugger.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "sysdep.h"
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#include <stdio.h>
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#include <stdarg.h>
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#include "ansidecl.h"
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#include "bfd.h"
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#include "symcat.h"
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#include "openrisc-desc.h"
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#include "openrisc-opc.h"
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#include "opintl.h"
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#include "libiberty.h"
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/* Attributes. */
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static const CGEN_ATTR_ENTRY bool_attr[] =
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{
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{ "#f", 0 },
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{ "#t", 1 },
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{ 0, 0 }
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};
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static const CGEN_ATTR_ENTRY MACH_attr[] =
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{
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{ "base", MACH_BASE },
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{ "openrisc", MACH_OPENRISC },
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{ "or1300", MACH_OR1300 },
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{ "max", MACH_MAX },
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{ 0, 0 }
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};
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static const CGEN_ATTR_ENTRY ISA_attr[] =
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{
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{ "or32", ISA_OR32 },
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{ "max", ISA_MAX },
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{ 0, 0 }
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};
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static const CGEN_ATTR_ENTRY HAS_CACHE_attr[] =
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{
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{ "DATA_CACHE", HAS_CACHE_DATA_CACHE },
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{ "INSN_CACHE", HAS_CACHE_INSN_CACHE },
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{ 0, 0 }
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};
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const CGEN_ATTR_TABLE openrisc_cgen_ifield_attr_table[] =
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{
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{ "MACH", & MACH_attr[0], & MACH_attr[0] },
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{ "VIRTUAL", &bool_attr[0], &bool_attr[0] },
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{ "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
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{ "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
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{ "RESERVED", &bool_attr[0], &bool_attr[0] },
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{ "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
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{ "SIGNED", &bool_attr[0], &bool_attr[0] },
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{ 0, 0, 0 }
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};
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const CGEN_ATTR_TABLE openrisc_cgen_hardware_attr_table[] =
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{
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{ "MACH", & MACH_attr[0], & MACH_attr[0] },
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{ "VIRTUAL", &bool_attr[0], &bool_attr[0] },
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{ "CACHE-ADDR", &bool_attr[0], &bool_attr[0] },
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{ "PC", &bool_attr[0], &bool_attr[0] },
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{ "PROFILE", &bool_attr[0], &bool_attr[0] },
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{ 0, 0, 0 }
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};
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const CGEN_ATTR_TABLE openrisc_cgen_operand_attr_table[] =
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{
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{ "MACH", & MACH_attr[0], & MACH_attr[0] },
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{ "VIRTUAL", &bool_attr[0], &bool_attr[0] },
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{ "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
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{ "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
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{ "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
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{ "SIGNED", &bool_attr[0], &bool_attr[0] },
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{ "NEGATIVE", &bool_attr[0], &bool_attr[0] },
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{ "RELAX", &bool_attr[0], &bool_attr[0] },
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{ "SEM-ONLY", &bool_attr[0], &bool_attr[0] },
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{ 0, 0, 0 }
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};
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const CGEN_ATTR_TABLE openrisc_cgen_insn_attr_table[] =
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{
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{ "MACH", & MACH_attr[0], & MACH_attr[0] },
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{ "ALIAS", &bool_attr[0], &bool_attr[0] },
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{ "VIRTUAL", &bool_attr[0], &bool_attr[0] },
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{ "UNCOND-CTI", &bool_attr[0], &bool_attr[0] },
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{ "COND-CTI", &bool_attr[0], &bool_attr[0] },
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{ "SKIP-CTI", &bool_attr[0], &bool_attr[0] },
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{ "DELAY-SLOT", &bool_attr[0], &bool_attr[0] },
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{ "RELAXABLE", &bool_attr[0], &bool_attr[0] },
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{ "RELAX", &bool_attr[0], &bool_attr[0] },
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{ "NO-DIS", &bool_attr[0], &bool_attr[0] },
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{ "PBB", &bool_attr[0], &bool_attr[0] },
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{ "NOT-IN-DELAY-SLOT", &bool_attr[0], &bool_attr[0] },
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{ 0, 0, 0 }
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};
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/* Instruction set variants. */
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static const CGEN_ISA openrisc_cgen_isa_table[] = {
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{ "or32", 32, 32, 32, 32 },
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{ 0, 0, 0, 0, 0 }
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};
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/* Machine variants. */
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static const CGEN_MACH openrisc_cgen_mach_table[] = {
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{ "openrisc", "openrisc", MACH_OPENRISC, 0 },
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{ "or1300", "openrisc:1300", MACH_OR1300, 0 },
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{ 0, 0, 0, 0 }
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};
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static CGEN_KEYWORD_ENTRY openrisc_cgen_opval_h_gr_entries[] =
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{
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{ "r0", 0, {0, {0}}, 0, 0 },
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{ "r1", 1, {0, {0}}, 0, 0 },
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{ "r2", 2, {0, {0}}, 0, 0 },
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{ "r3", 3, {0, {0}}, 0, 0 },
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{ "r4", 4, {0, {0}}, 0, 0 },
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{ "r5", 5, {0, {0}}, 0, 0 },
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{ "r6", 6, {0, {0}}, 0, 0 },
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{ "r7", 7, {0, {0}}, 0, 0 },
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{ "r8", 8, {0, {0}}, 0, 0 },
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{ "r9", 9, {0, {0}}, 0, 0 },
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{ "r10", 10, {0, {0}}, 0, 0 },
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{ "r11", 11, {0, {0}}, 0, 0 },
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{ "r12", 12, {0, {0}}, 0, 0 },
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{ "r13", 13, {0, {0}}, 0, 0 },
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{ "r14", 14, {0, {0}}, 0, 0 },
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{ "r15", 15, {0, {0}}, 0, 0 },
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{ "r16", 16, {0, {0}}, 0, 0 },
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{ "r17", 17, {0, {0}}, 0, 0 },
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{ "r18", 18, {0, {0}}, 0, 0 },
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{ "r19", 19, {0, {0}}, 0, 0 },
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{ "r20", 20, {0, {0}}, 0, 0 },
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{ "r21", 21, {0, {0}}, 0, 0 },
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{ "r22", 22, {0, {0}}, 0, 0 },
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{ "r23", 23, {0, {0}}, 0, 0 },
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{ "r24", 24, {0, {0}}, 0, 0 },
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{ "r25", 25, {0, {0}}, 0, 0 },
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{ "r26", 26, {0, {0}}, 0, 0 },
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{ "r27", 27, {0, {0}}, 0, 0 },
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{ "r28", 28, {0, {0}}, 0, 0 },
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{ "r29", 29, {0, {0}}, 0, 0 },
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{ "r30", 30, {0, {0}}, 0, 0 },
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{ "r31", 31, {0, {0}}, 0, 0 },
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{ "lr", 11, {0, {0}}, 0, 0 },
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{ "sp", 1, {0, {0}}, 0, 0 },
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{ "fp", 2, {0, {0}}, 0, 0 }
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};
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CGEN_KEYWORD openrisc_cgen_opval_h_gr =
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{
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& openrisc_cgen_opval_h_gr_entries[0],
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35,
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0, 0, 0, 0, ""
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};
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/* The hardware table. */
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#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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#define A(a) (1 << CGEN_HW_##a)
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#else
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#define A(a) (1 << CGEN_HW_/**/a)
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#endif
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const CGEN_HW_ENTRY openrisc_cgen_hw_table[] =
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{
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{ "h-memory", HW_H_MEMORY, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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{ "h-sint", HW_H_SINT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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{ "h-uint", HW_H_UINT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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{ "h-addr", HW_H_ADDR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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{ "h-iaddr", HW_H_IADDR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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{ "h-pc", HW_H_PC, CGEN_ASM_NONE, 0, { 0|A(PROFILE)|A(PC), { (1<<MACH_BASE) } } },
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{ "h-gr", HW_H_GR, CGEN_ASM_KEYWORD, (PTR) & openrisc_cgen_opval_h_gr, { 0|A(PROFILE), { (1<<MACH_BASE) } } },
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{ "h-sr", HW_H_SR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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{ "h-hi16", HW_H_HI16, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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{ "h-lo16", HW_H_LO16, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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{ "h-cbit", HW_H_CBIT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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{ "h-delay-insn", HW_H_DELAY_INSN, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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{ 0, 0, CGEN_ASM_NONE, 0, {0, {0}} }
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};
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#undef A
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/* The instruction field table. */
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#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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#define A(a) (1 << CGEN_IFLD_##a)
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#else
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#define A(a) (1 << CGEN_IFLD_/**/a)
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#endif
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const CGEN_IFLD openrisc_cgen_ifld_table[] =
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{
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{ OPENRISC_F_NIL, "f-nil", 0, 0, 0, 0, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_ANYOF, "f-anyof", 0, 0, 0, 0, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_CLASS, "f-class", 0, 32, 31, 2, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_SUB, "f-sub", 0, 32, 29, 4, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_R1, "f-r1", 0, 32, 25, 5, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_R2, "f-r2", 0, 32, 20, 5, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_R3, "f-r3", 0, 32, 15, 5, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_SIMM16, "f-simm16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_UIMM16, "f-uimm16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_UIMM5, "f-uimm5", 0, 32, 4, 5, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_HI16, "f-hi16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_LO16, "f-lo16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_OP1, "f-op1", 0, 32, 31, 2, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_OP2, "f-op2", 0, 32, 29, 4, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_OP3, "f-op3", 0, 32, 25, 2, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_OP4, "f-op4", 0, 32, 23, 3, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_OP5, "f-op5", 0, 32, 25, 5, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_OP6, "f-op6", 0, 32, 7, 3, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_OP7, "f-op7", 0, 32, 3, 4, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_I16_1, "f-i16-1", 0, 32, 10, 11, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_I16_2, "f-i16-2", 0, 32, 25, 5, { 0, { (1<<MACH_BASE) } } },
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{ OPENRISC_F_DISP26, "f-disp26", 0, 32, 25, 26, { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } } },
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{ OPENRISC_F_ABS26, "f-abs26", 0, 32, 25, 26, { 0|A(ABS_ADDR), { (1<<MACH_BASE) } } },
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{ OPENRISC_F_F_15_8, "f-f-15-8", 0, 32, 15, 8, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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{ OPENRISC_F_F_10_3, "f-f-10-3", 0, 32, 10, 3, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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{ OPENRISC_F_F_4_1, "f-f-4-1", 0, 32, 4, 1, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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{ OPENRISC_F_F_7_3, "f-f-7-3", 0, 32, 7, 3, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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{ OPENRISC_F_F_10_7, "f-f-10-7", 0, 32, 10, 7, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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{ OPENRISC_F_F_10_11, "f-f-10-11", 0, 32, 10, 11, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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{ 0, 0, 0, 0, 0, 0, {0, {0}} }
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};
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| 253 |
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#undef A
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| 254 |
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| 255 |
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| 256 |
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| 257 |
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/* multi ifield declarations */
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| 258 |
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| 259 |
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const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [];
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|
| 261 |
|
|
|
| 262 |
|
|
/* multi ifield definitions */
|
| 263 |
|
|
|
| 264 |
|
|
const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [] =
|
| 265 |
|
|
{
|
| 266 |
|
|
{ 0, &(openrisc_cgen_ifld_table[19]) },
|
| 267 |
|
|
{ 0, &(openrisc_cgen_ifld_table[20]) },
|
| 268 |
|
|
{0,0}
|
| 269 |
|
|
};
|
| 270 |
|
|
|
| 271 |
|
|
/* The operand table. */
|
| 272 |
|
|
|
| 273 |
|
|
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
|
| 274 |
|
|
#define A(a) (1 << CGEN_OPERAND_##a)
|
| 275 |
|
|
#else
|
| 276 |
|
|
#define A(a) (1 << CGEN_OPERAND_/**/a)
|
| 277 |
|
|
#endif
|
| 278 |
|
|
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
|
| 279 |
|
|
#define OPERAND(op) OPENRISC_OPERAND_##op
|
| 280 |
|
|
#else
|
| 281 |
|
|
#define OPERAND(op) OPENRISC_OPERAND_/**/op
|
| 282 |
|
|
#endif
|
| 283 |
|
|
|
| 284 |
|
|
const CGEN_OPERAND openrisc_cgen_operand_table[] =
|
| 285 |
|
|
{
|
| 286 |
|
|
/* pc: program counter */
|
| 287 |
|
|
{ "pc", OPENRISC_OPERAND_PC, HW_H_PC, 0, 0,
|
| 288 |
|
|
{ 0, &(openrisc_cgen_ifld_table[0]) },
|
| 289 |
|
|
{ 0|A(SEM_ONLY), { (1<<MACH_BASE) } } },
|
| 290 |
|
|
/* sr: special register */
|
| 291 |
|
|
{ "sr", OPENRISC_OPERAND_SR, HW_H_SR, 0, 0,
|
| 292 |
|
|
{ 0, 0 },
|
| 293 |
|
|
{ 0|A(SEM_ONLY), { (1<<MACH_BASE) } } },
|
| 294 |
|
|
/* cbit: condition bit */
|
| 295 |
|
|
{ "cbit", OPENRISC_OPERAND_CBIT, HW_H_CBIT, 0, 0,
|
| 296 |
|
|
{ 0, 0 },
|
| 297 |
|
|
{ 0|A(SEM_ONLY), { (1<<MACH_BASE) } } },
|
| 298 |
|
|
/* simm-16: 16 bit signed immediate */
|
| 299 |
|
|
{ "simm-16", OPENRISC_OPERAND_SIMM_16, HW_H_SINT, 15, 16,
|
| 300 |
|
|
{ 0, &(openrisc_cgen_ifld_table[7]) },
|
| 301 |
|
|
{ 0, { (1<<MACH_BASE) } } },
|
| 302 |
|
|
/* uimm-16: 16 bit unsigned immediate */
|
| 303 |
|
|
{ "uimm-16", OPENRISC_OPERAND_UIMM_16, HW_H_UINT, 15, 16,
|
| 304 |
|
|
{ 0, &(openrisc_cgen_ifld_table[8]) },
|
| 305 |
|
|
{ 0, { (1<<MACH_BASE) } } },
|
| 306 |
|
|
/* disp-26: pc-rel 26 bit */
|
| 307 |
|
|
{ "disp-26", OPENRISC_OPERAND_DISP_26, HW_H_IADDR, 25, 26,
|
| 308 |
|
|
{ 0, &(openrisc_cgen_ifld_table[21]) },
|
| 309 |
|
|
{ 0|A(PCREL_ADDR), { (1<<MACH_BASE) } } },
|
| 310 |
|
|
/* abs-26: abs 26 bit */
|
| 311 |
|
|
{ "abs-26", OPENRISC_OPERAND_ABS_26, HW_H_IADDR, 25, 26,
|
| 312 |
|
|
{ 0, &(openrisc_cgen_ifld_table[22]) },
|
| 313 |
|
|
{ 0|A(ABS_ADDR), { (1<<MACH_BASE) } } },
|
| 314 |
|
|
/* uimm-5: imm5 */
|
| 315 |
|
|
{ "uimm-5", OPENRISC_OPERAND_UIMM_5, HW_H_UINT, 4, 5,
|
| 316 |
|
|
{ 0, &(openrisc_cgen_ifld_table[9]) },
|
| 317 |
|
|
{ 0, { (1<<MACH_BASE) } } },
|
| 318 |
|
|
/* rD: destination register */
|
| 319 |
|
|
{ "rD", OPENRISC_OPERAND_RD, HW_H_GR, 25, 5,
|
| 320 |
|
|
{ 0, &(openrisc_cgen_ifld_table[4]) },
|
| 321 |
|
|
{ 0, { (1<<MACH_BASE) } } },
|
| 322 |
|
|
/* rA: source register A */
|
| 323 |
|
|
{ "rA", OPENRISC_OPERAND_RA, HW_H_GR, 20, 5,
|
| 324 |
|
|
{ 0, &(openrisc_cgen_ifld_table[5]) },
|
| 325 |
|
|
{ 0, { (1<<MACH_BASE) } } },
|
| 326 |
|
|
/* rB: source register B */
|
| 327 |
|
|
{ "rB", OPENRISC_OPERAND_RB, HW_H_GR, 15, 5,
|
| 328 |
|
|
{ 0, &(openrisc_cgen_ifld_table[6]) },
|
| 329 |
|
|
{ 0, { (1<<MACH_BASE) } } },
|
| 330 |
|
|
/* op-f-23: f-op23 */
|
| 331 |
|
|
{ "op-f-23", OPENRISC_OPERAND_OP_F_23, HW_H_UINT, 23, 3,
|
| 332 |
|
|
{ 0, &(openrisc_cgen_ifld_table[15]) },
|
| 333 |
|
|
{ 0, { (1<<MACH_BASE) } } },
|
| 334 |
|
|
/* op-f-3: f-op3 */
|
| 335 |
|
|
{ "op-f-3", OPENRISC_OPERAND_OP_F_3, HW_H_UINT, 25, 5,
|
| 336 |
|
|
{ 0, &(openrisc_cgen_ifld_table[16]) },
|
| 337 |
|
|
{ 0, { (1<<MACH_BASE) } } },
|
| 338 |
|
|
/* hi16: high 16 bit immediate, sign optional */
|
| 339 |
|
|
{ "hi16", OPENRISC_OPERAND_HI16, HW_H_HI16, 15, 16,
|
| 340 |
|
|
{ 0, &(openrisc_cgen_ifld_table[7]) },
|
| 341 |
|
|
{ 0|A(SIGN_OPT), { (1<<MACH_BASE) } } },
|
| 342 |
|
|
/* lo16: low 16 bit immediate, sign optional */
|
| 343 |
|
|
{ "lo16", OPENRISC_OPERAND_LO16, HW_H_LO16, 15, 16,
|
| 344 |
|
|
{ 0, &(openrisc_cgen_ifld_table[11]) },
|
| 345 |
|
|
{ 0|A(SIGN_OPT), { (1<<MACH_BASE) } } },
|
| 346 |
|
|
/* ui16nc: 16 bit immediate, sign optional */
|
| 347 |
|
|
{ "ui16nc", OPENRISC_OPERAND_UI16NC, HW_H_LO16, 10, 16,
|
| 348 |
|
|
{ 2, &(OPENRISC_F_I16NC_MULTI_IFIELD[0]) },
|
| 349 |
|
|
{ 0|A(SIGN_OPT)|A(VIRTUAL), { (1<<MACH_BASE) } } },
|
| 350 |
|
|
{ 0, 0, 0, 0, 0, {0, {0}} }
|
| 351 |
|
|
};
|
| 352 |
|
|
|
| 353 |
|
|
#undef A
|
| 354 |
|
|
|
| 355 |
|
|
|
| 356 |
|
|
/* The instruction table. */
|
| 357 |
|
|
|
| 358 |
|
|
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
|
| 359 |
|
|
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
|
| 360 |
|
|
#define A(a) (1 << CGEN_INSN_##a)
|
| 361 |
|
|
#else
|
| 362 |
|
|
#define A(a) (1 << CGEN_INSN_/**/a)
|
| 363 |
|
|
#endif
|
| 364 |
|
|
|
| 365 |
|
|
static const CGEN_IBASE openrisc_cgen_insn_table[MAX_INSNS] =
|
| 366 |
|
|
{
|
| 367 |
|
|
/* Special null first entry.
|
| 368 |
|
|
A `num' value of zero is thus invalid.
|
| 369 |
|
|
Also, the special `invalid' insn resides here. */
|
| 370 |
|
|
{ 0, 0, 0, 0, {0, {0}} },
|
| 371 |
|
|
/* l.j ${abs-26} */
|
| 372 |
|
|
{
|
| 373 |
|
|
OPENRISC_INSN_L_J, "l-j", "l.j", 32,
|
| 374 |
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 375 |
|
|
},
|
| 376 |
|
|
/* l.jal ${abs-26} */
|
| 377 |
|
|
{
|
| 378 |
|
|
OPENRISC_INSN_L_JAL, "l-jal", "l.jal", 32,
|
| 379 |
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 380 |
|
|
},
|
| 381 |
|
|
/* l.jr $rA */
|
| 382 |
|
|
{
|
| 383 |
|
|
OPENRISC_INSN_L_JR, "l-jr", "l.jr", 32,
|
| 384 |
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 385 |
|
|
},
|
| 386 |
|
|
/* l.jalr $rA */
|
| 387 |
|
|
{
|
| 388 |
|
|
OPENRISC_INSN_L_JALR, "l-jalr", "l.jalr", 32,
|
| 389 |
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 390 |
|
|
},
|
| 391 |
|
|
/* l.bal ${disp-26} */
|
| 392 |
|
|
{
|
| 393 |
|
|
OPENRISC_INSN_L_BAL, "l-bal", "l.bal", 32,
|
| 394 |
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 395 |
|
|
},
|
| 396 |
|
|
/* l.bnf ${disp-26} */
|
| 397 |
|
|
{
|
| 398 |
|
|
OPENRISC_INSN_L_BNF, "l-bnf", "l.bnf", 32,
|
| 399 |
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(COND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 400 |
|
|
},
|
| 401 |
|
|
/* l.bf ${disp-26} */
|
| 402 |
|
|
{
|
| 403 |
|
|
OPENRISC_INSN_L_BF, "l-bf", "l.bf", 32,
|
| 404 |
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(COND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 405 |
|
|
},
|
| 406 |
|
|
/* l.brk ${uimm-16} */
|
| 407 |
|
|
{
|
| 408 |
|
|
OPENRISC_INSN_L_BRK, "l-brk", "l.brk", 32,
|
| 409 |
|
|
{ 0|A(NOT_IN_DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 410 |
|
|
},
|
| 411 |
|
|
/* l.rfe $rA */
|
| 412 |
|
|
{
|
| 413 |
|
|
OPENRISC_INSN_L_RFE, "l-rfe", "l.rfe", 32,
|
| 414 |
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 415 |
|
|
},
|
| 416 |
|
|
/* l.sys ${uimm-16} */
|
| 417 |
|
|
{
|
| 418 |
|
|
OPENRISC_INSN_L_SYS, "l-sys", "l.sys", 32,
|
| 419 |
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 420 |
|
|
},
|
| 421 |
|
|
/* l.nop */
|
| 422 |
|
|
{
|
| 423 |
|
|
OPENRISC_INSN_L_NOP, "l-nop", "l.nop", 32,
|
| 424 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 425 |
|
|
},
|
| 426 |
|
|
/* l.movhi $rD,$hi16 */
|
| 427 |
|
|
{
|
| 428 |
|
|
OPENRISC_INSN_L_MOVHI, "l-movhi", "l.movhi", 32,
|
| 429 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 430 |
|
|
},
|
| 431 |
|
|
/* l.mfsr $rD,$rA */
|
| 432 |
|
|
{
|
| 433 |
|
|
OPENRISC_INSN_L_MFSR, "l-mfsr", "l.mfsr", 32,
|
| 434 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 435 |
|
|
},
|
| 436 |
|
|
/* l.mtsr $rA,$rB */
|
| 437 |
|
|
{
|
| 438 |
|
|
OPENRISC_INSN_L_MTSR, "l-mtsr", "l.mtsr", 32,
|
| 439 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 440 |
|
|
},
|
| 441 |
|
|
/* l.lw $rD,${simm-16}($rA) */
|
| 442 |
|
|
{
|
| 443 |
|
|
OPENRISC_INSN_L_LW, "l-lw", "l.lw", 32,
|
| 444 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 445 |
|
|
},
|
| 446 |
|
|
/* l.lbz $rD,${simm-16}($rA) */
|
| 447 |
|
|
{
|
| 448 |
|
|
OPENRISC_INSN_L_LBZ, "l-lbz", "l.lbz", 32,
|
| 449 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 450 |
|
|
},
|
| 451 |
|
|
/* l.lbs $rD,${simm-16}($rA) */
|
| 452 |
|
|
{
|
| 453 |
|
|
OPENRISC_INSN_L_LBS, "l-lbs", "l.lbs", 32,
|
| 454 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 455 |
|
|
},
|
| 456 |
|
|
/* l.lhz $rD,${simm-16}($rA) */
|
| 457 |
|
|
{
|
| 458 |
|
|
OPENRISC_INSN_L_LHZ, "l-lhz", "l.lhz", 32,
|
| 459 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 460 |
|
|
},
|
| 461 |
|
|
/* l.lhs $rD,${simm-16}($rA) */
|
| 462 |
|
|
{
|
| 463 |
|
|
OPENRISC_INSN_L_LHS, "l-lhs", "l.lhs", 32,
|
| 464 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 465 |
|
|
},
|
| 466 |
|
|
/* l.sw ${ui16nc}($rA),$rB */
|
| 467 |
|
|
{
|
| 468 |
|
|
OPENRISC_INSN_L_SW, "l-sw", "l.sw", 32,
|
| 469 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 470 |
|
|
},
|
| 471 |
|
|
/* l.sb ${ui16nc}($rA),$rB */
|
| 472 |
|
|
{
|
| 473 |
|
|
OPENRISC_INSN_L_SB, "l-sb", "l.sb", 32,
|
| 474 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 475 |
|
|
},
|
| 476 |
|
|
/* l.sh ${ui16nc}($rA),$rB */
|
| 477 |
|
|
{
|
| 478 |
|
|
OPENRISC_INSN_L_SH, "l-sh", "l.sh", 32,
|
| 479 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 480 |
|
|
},
|
| 481 |
|
|
/* l.sll $rD,$rA,$rB */
|
| 482 |
|
|
{
|
| 483 |
|
|
OPENRISC_INSN_L_SLL, "l-sll", "l.sll", 32,
|
| 484 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 485 |
|
|
},
|
| 486 |
|
|
/* l.slli $rD,$rA,${uimm-5} */
|
| 487 |
|
|
{
|
| 488 |
|
|
OPENRISC_INSN_L_SLLI, "l-slli", "l.slli", 32,
|
| 489 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 490 |
|
|
},
|
| 491 |
|
|
/* l.srl $rD,$rA,$rB */
|
| 492 |
|
|
{
|
| 493 |
|
|
OPENRISC_INSN_L_SRL, "l-srl", "l.srl", 32,
|
| 494 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 495 |
|
|
},
|
| 496 |
|
|
/* l.srli $rD,$rA,${uimm-5} */
|
| 497 |
|
|
{
|
| 498 |
|
|
OPENRISC_INSN_L_SRLI, "l-srli", "l.srli", 32,
|
| 499 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 500 |
|
|
},
|
| 501 |
|
|
/* l.sra $rD,$rA,$rB */
|
| 502 |
|
|
{
|
| 503 |
|
|
OPENRISC_INSN_L_SRA, "l-sra", "l.sra", 32,
|
| 504 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 505 |
|
|
},
|
| 506 |
|
|
/* l.srai $rD,$rA,${uimm-5} */
|
| 507 |
|
|
{
|
| 508 |
|
|
OPENRISC_INSN_L_SRAI, "l-srai", "l.srai", 32,
|
| 509 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 510 |
|
|
},
|
| 511 |
|
|
/* l.ror $rD,$rA,$rB */
|
| 512 |
|
|
{
|
| 513 |
|
|
OPENRISC_INSN_L_ROR, "l-ror", "l.ror", 32,
|
| 514 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 515 |
|
|
},
|
| 516 |
|
|
/* l.rori $rD,$rA,${uimm-5} */
|
| 517 |
|
|
{
|
| 518 |
|
|
OPENRISC_INSN_L_RORI, "l-rori", "l.rori", 32,
|
| 519 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 520 |
|
|
},
|
| 521 |
|
|
/* l.add $rD,$rA,$rB */
|
| 522 |
|
|
{
|
| 523 |
|
|
OPENRISC_INSN_L_ADD, "l-add", "l.add", 32,
|
| 524 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 525 |
|
|
},
|
| 526 |
|
|
/* l.addi $rD,$rA,$lo16 */
|
| 527 |
|
|
{
|
| 528 |
|
|
OPENRISC_INSN_L_ADDI, "l-addi", "l.addi", 32,
|
| 529 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 530 |
|
|
},
|
| 531 |
|
|
/* l.sub $rD,$rA,$rB */
|
| 532 |
|
|
{
|
| 533 |
|
|
OPENRISC_INSN_L_SUB, "l-sub", "l.sub", 32,
|
| 534 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 535 |
|
|
},
|
| 536 |
|
|
/* l.subi $rD,$rA,$lo16 */
|
| 537 |
|
|
{
|
| 538 |
|
|
OPENRISC_INSN_L_SUBI, "l-subi", "l.subi", 32,
|
| 539 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 540 |
|
|
},
|
| 541 |
|
|
/* l.and $rD,$rA,$rB */
|
| 542 |
|
|
{
|
| 543 |
|
|
OPENRISC_INSN_L_AND, "l-and", "l.and", 32,
|
| 544 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 545 |
|
|
},
|
| 546 |
|
|
/* l.andi $rD,$rA,$lo16 */
|
| 547 |
|
|
{
|
| 548 |
|
|
OPENRISC_INSN_L_ANDI, "l-andi", "l.andi", 32,
|
| 549 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 550 |
|
|
},
|
| 551 |
|
|
/* l.or $rD,$rA,$rB */
|
| 552 |
|
|
{
|
| 553 |
|
|
OPENRISC_INSN_L_OR, "l-or", "l.or", 32,
|
| 554 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 555 |
|
|
},
|
| 556 |
|
|
/* l.ori $rD,$rA,$lo16 */
|
| 557 |
|
|
{
|
| 558 |
|
|
OPENRISC_INSN_L_ORI, "l-ori", "l.ori", 32,
|
| 559 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 560 |
|
|
},
|
| 561 |
|
|
/* l.xor $rD,$rA,$rB */
|
| 562 |
|
|
{
|
| 563 |
|
|
OPENRISC_INSN_L_XOR, "l-xor", "l.xor", 32,
|
| 564 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 565 |
|
|
},
|
| 566 |
|
|
/* l.xori $rD,$rA,$lo16 */
|
| 567 |
|
|
{
|
| 568 |
|
|
OPENRISC_INSN_L_XORI, "l-xori", "l.xori", 32,
|
| 569 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 570 |
|
|
},
|
| 571 |
|
|
/* l.mul $rD,$rA,$rB */
|
| 572 |
|
|
{
|
| 573 |
|
|
OPENRISC_INSN_L_MUL, "l-mul", "l.mul", 32,
|
| 574 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 575 |
|
|
},
|
| 576 |
|
|
/* l.muli $rD,$rA,$lo16 */
|
| 577 |
|
|
{
|
| 578 |
|
|
OPENRISC_INSN_L_MULI, "l-muli", "l.muli", 32,
|
| 579 |
|
|
{ 0, { (1<<MACH_BASE) } }
|
| 580 |
|
|
},
|
| 581 |
|
|
/* l.div $rD,$rA,$rB */
|
| 582 |
|
|
{
|
| 583 |
|
|
OPENRISC_INSN_L_DIV, "l-div", "l.div", 32,
|
| 584 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 585 |
|
|
},
|
| 586 |
|
|
/* l.divu $rD,$rA,$rB */
|
| 587 |
|
|
{
|
| 588 |
|
|
OPENRISC_INSN_L_DIVU, "l-divu", "l.divu", 32,
|
| 589 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 590 |
|
|
},
|
| 591 |
|
|
/* l.sfgts $rA,$rB */
|
| 592 |
|
|
{
|
| 593 |
|
|
OPENRISC_INSN_L_SFGTS, "l-sfgts", "l.sfgts", 32,
|
| 594 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 595 |
|
|
},
|
| 596 |
|
|
/* l.sfgtu $rA,$rB */
|
| 597 |
|
|
{
|
| 598 |
|
|
OPENRISC_INSN_L_SFGTU, "l-sfgtu", "l.sfgtu", 32,
|
| 599 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 600 |
|
|
},
|
| 601 |
|
|
/* l.sfges $rA,$rB */
|
| 602 |
|
|
{
|
| 603 |
|
|
OPENRISC_INSN_L_SFGES, "l-sfges", "l.sfges", 32,
|
| 604 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 605 |
|
|
},
|
| 606 |
|
|
/* l.sfgeu $rA,$rB */
|
| 607 |
|
|
{
|
| 608 |
|
|
OPENRISC_INSN_L_SFGEU, "l-sfgeu", "l.sfgeu", 32,
|
| 609 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 610 |
|
|
},
|
| 611 |
|
|
/* l.sflts $rA,$rB */
|
| 612 |
|
|
{
|
| 613 |
|
|
OPENRISC_INSN_L_SFLTS, "l-sflts", "l.sflts", 32,
|
| 614 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 615 |
|
|
},
|
| 616 |
|
|
/* l.sfltu $rA,$rB */
|
| 617 |
|
|
{
|
| 618 |
|
|
OPENRISC_INSN_L_SFLTU, "l-sfltu", "l.sfltu", 32,
|
| 619 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 620 |
|
|
},
|
| 621 |
|
|
/* l.sfles $rA,$rB */
|
| 622 |
|
|
{
|
| 623 |
|
|
OPENRISC_INSN_L_SFLES, "l-sfles", "l.sfles", 32,
|
| 624 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 625 |
|
|
},
|
| 626 |
|
|
/* l.sfleu $rA,$rB */
|
| 627 |
|
|
{
|
| 628 |
|
|
OPENRISC_INSN_L_SFLEU, "l-sfleu", "l.sfleu", 32,
|
| 629 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 630 |
|
|
},
|
| 631 |
|
|
/* l.sfgtsi $rA,${simm-16} */
|
| 632 |
|
|
{
|
| 633 |
|
|
OPENRISC_INSN_L_SFGTSI, "l-sfgtsi", "l.sfgtsi", 32,
|
| 634 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 635 |
|
|
},
|
| 636 |
|
|
/* l.sfgtui $rA,${uimm-16} */
|
| 637 |
|
|
{
|
| 638 |
|
|
OPENRISC_INSN_L_SFGTUI, "l-sfgtui", "l.sfgtui", 32,
|
| 639 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 640 |
|
|
},
|
| 641 |
|
|
/* l.sfgesi $rA,${simm-16} */
|
| 642 |
|
|
{
|
| 643 |
|
|
OPENRISC_INSN_L_SFGESI, "l-sfgesi", "l.sfgesi", 32,
|
| 644 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 645 |
|
|
},
|
| 646 |
|
|
/* l.sfgeui $rA,${uimm-16} */
|
| 647 |
|
|
{
|
| 648 |
|
|
OPENRISC_INSN_L_SFGEUI, "l-sfgeui", "l.sfgeui", 32,
|
| 649 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 650 |
|
|
},
|
| 651 |
|
|
/* l.sfltsi $rA,${simm-16} */
|
| 652 |
|
|
{
|
| 653 |
|
|
OPENRISC_INSN_L_SFLTSI, "l-sfltsi", "l.sfltsi", 32,
|
| 654 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 655 |
|
|
},
|
| 656 |
|
|
/* l.sfltui $rA,${uimm-16} */
|
| 657 |
|
|
{
|
| 658 |
|
|
OPENRISC_INSN_L_SFLTUI, "l-sfltui", "l.sfltui", 32,
|
| 659 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 660 |
|
|
},
|
| 661 |
|
|
/* l.sflesi $rA,${simm-16} */
|
| 662 |
|
|
{
|
| 663 |
|
|
OPENRISC_INSN_L_SFLESI, "l-sflesi", "l.sflesi", 32,
|
| 664 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 665 |
|
|
},
|
| 666 |
|
|
/* l.sfleui $rA,${uimm-16} */
|
| 667 |
|
|
{
|
| 668 |
|
|
OPENRISC_INSN_L_SFLEUI, "l-sfleui", "l.sfleui", 32,
|
| 669 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 670 |
|
|
},
|
| 671 |
|
|
/* l.sfeq $rA,$rB */
|
| 672 |
|
|
{
|
| 673 |
|
|
OPENRISC_INSN_L_SFEQ, "l-sfeq", "l.sfeq", 32,
|
| 674 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 675 |
|
|
},
|
| 676 |
|
|
/* l.sfeqi $rA,${simm-16} */
|
| 677 |
|
|
{
|
| 678 |
|
|
OPENRISC_INSN_L_SFEQI, "l-sfeqi", "l.sfeqi", 32,
|
| 679 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 680 |
|
|
},
|
| 681 |
|
|
/* l.sfne $rA,$rB */
|
| 682 |
|
|
{
|
| 683 |
|
|
OPENRISC_INSN_L_SFNE, "l-sfne", "l.sfne", 32,
|
| 684 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 685 |
|
|
},
|
| 686 |
|
|
/* l.sfnei $rA,${simm-16} */
|
| 687 |
|
|
{
|
| 688 |
|
|
OPENRISC_INSN_L_SFNEI, "l-sfnei", "l.sfnei", 32,
|
| 689 |
|
|
{ 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
| 690 |
|
|
},
|
| 691 |
|
|
};
|
| 692 |
|
|
|
| 693 |
|
|
#undef OP
|
| 694 |
|
|
#undef A
|
| 695 |
|
|
|
| 696 |
|
|
/* Initialize anything needed to be done once, before any cpu_open call. */
|
| 697 |
|
|
static void init_tables PARAMS ((void));
|
| 698 |
|
|
|
| 699 |
|
|
static void
|
| 700 |
|
|
init_tables ()
|
| 701 |
|
|
{
|
| 702 |
|
|
}
|
| 703 |
|
|
|
| 704 |
|
|
static const CGEN_MACH * lookup_mach_via_bfd_name
|
| 705 |
|
|
PARAMS ((const CGEN_MACH *, const char *));
|
| 706 |
|
|
static void build_hw_table PARAMS ((CGEN_CPU_TABLE *));
|
| 707 |
|
|
static void build_ifield_table PARAMS ((CGEN_CPU_TABLE *));
|
| 708 |
|
|
static void build_operand_table PARAMS ((CGEN_CPU_TABLE *));
|
| 709 |
|
|
static void build_insn_table PARAMS ((CGEN_CPU_TABLE *));
|
| 710 |
|
|
static void openrisc_cgen_rebuild_tables PARAMS ((CGEN_CPU_TABLE *));
|
| 711 |
|
|
|
| 712 |
|
|
/* Subroutine of openrisc_cgen_cpu_open to look up a mach via its bfd name. */
|
| 713 |
|
|
|
| 714 |
|
|
static const CGEN_MACH *
|
| 715 |
|
|
lookup_mach_via_bfd_name (table, name)
|
| 716 |
|
|
const CGEN_MACH *table;
|
| 717 |
|
|
const char *name;
|
| 718 |
|
|
{
|
| 719 |
|
|
while (table->name)
|
| 720 |
|
|
{
|
| 721 |
|
|
if (strcmp (name, table->bfd_name) == 0)
|
| 722 |
|
|
return table;
|
| 723 |
|
|
++table;
|
| 724 |
|
|
}
|
| 725 |
|
|
abort ();
|
| 726 |
|
|
}
|
| 727 |
|
|
|
| 728 |
|
|
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table. */
|
| 729 |
|
|
|
| 730 |
|
|
static void
|
| 731 |
|
|
build_hw_table (cd)
|
| 732 |
|
|
CGEN_CPU_TABLE *cd;
|
| 733 |
|
|
{
|
| 734 |
|
|
int i;
|
| 735 |
|
|
int machs = cd->machs;
|
| 736 |
|
|
const CGEN_HW_ENTRY *init = & openrisc_cgen_hw_table[0];
|
| 737 |
|
|
/* MAX_HW is only an upper bound on the number of selected entries.
|
| 738 |
|
|
However each entry is indexed by it's enum so there can be holes in
|
| 739 |
|
|
the table. */
|
| 740 |
|
|
const CGEN_HW_ENTRY **selected =
|
| 741 |
|
|
(const CGEN_HW_ENTRY **) xmalloc (MAX_HW * sizeof (CGEN_HW_ENTRY *));
|
| 742 |
|
|
|
| 743 |
|
|
cd->hw_table.init_entries = init;
|
| 744 |
|
|
cd->hw_table.entry_size = sizeof (CGEN_HW_ENTRY);
|
| 745 |
|
|
memset (selected, 0, MAX_HW * sizeof (CGEN_HW_ENTRY *));
|
| 746 |
|
|
/* ??? For now we just use machs to determine which ones we want. */
|
| 747 |
|
|
for (i = 0; init[i].name != NULL; ++i)
|
| 748 |
|
|
if (CGEN_HW_ATTR_VALUE (&init[i], CGEN_HW_MACH)
|
| 749 |
|
|
& machs)
|
| 750 |
|
|
selected[init[i].type] = &init[i];
|
| 751 |
|
|
cd->hw_table.entries = selected;
|
| 752 |
|
|
cd->hw_table.num_entries = MAX_HW;
|
| 753 |
|
|
}
|
| 754 |
|
|
|
| 755 |
|
|
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table. */
|
| 756 |
|
|
|
| 757 |
|
|
static void
|
| 758 |
|
|
build_ifield_table (cd)
|
| 759 |
|
|
CGEN_CPU_TABLE *cd;
|
| 760 |
|
|
{
|
| 761 |
|
|
cd->ifld_table = & openrisc_cgen_ifld_table[0];
|
| 762 |
|
|
}
|
| 763 |
|
|
|
| 764 |
|
|
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table. */
|
| 765 |
|
|
|
| 766 |
|
|
static void
|
| 767 |
|
|
build_operand_table (cd)
|
| 768 |
|
|
CGEN_CPU_TABLE *cd;
|
| 769 |
|
|
{
|
| 770 |
|
|
int i;
|
| 771 |
|
|
int machs = cd->machs;
|
| 772 |
|
|
const CGEN_OPERAND *init = & openrisc_cgen_operand_table[0];
|
| 773 |
|
|
/* MAX_OPERANDS is only an upper bound on the number of selected entries.
|
| 774 |
|
|
However each entry is indexed by it's enum so there can be holes in
|
| 775 |
|
|
the table. */
|
| 776 |
|
|
const CGEN_OPERAND **selected =
|
| 777 |
|
|
(const CGEN_OPERAND **) xmalloc (MAX_OPERANDS * sizeof (CGEN_OPERAND *));
|
| 778 |
|
|
|
| 779 |
|
|
cd->operand_table.init_entries = init;
|
| 780 |
|
|
cd->operand_table.entry_size = sizeof (CGEN_OPERAND);
|
| 781 |
|
|
memset (selected, 0, MAX_OPERANDS * sizeof (CGEN_OPERAND *));
|
| 782 |
|
|
/* ??? For now we just use mach to determine which ones we want. */
|
| 783 |
|
|
for (i = 0; init[i].name != NULL; ++i)
|
| 784 |
|
|
if (CGEN_OPERAND_ATTR_VALUE (&init[i], CGEN_OPERAND_MACH)
|
| 785 |
|
|
& machs)
|
| 786 |
|
|
selected[init[i].type] = &init[i];
|
| 787 |
|
|
cd->operand_table.entries = selected;
|
| 788 |
|
|
cd->operand_table.num_entries = MAX_OPERANDS;
|
| 789 |
|
|
}
|
| 790 |
|
|
|
| 791 |
|
|
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table.
|
| 792 |
|
|
??? This could leave out insns not supported by the specified mach/isa,
|
| 793 |
|
|
but that would cause errors like "foo only supported by bar" to become
|
| 794 |
|
|
"unknown insn", so for now we include all insns and require the app to
|
| 795 |
|
|
do the checking later.
|
| 796 |
|
|
??? On the other hand, parsing of such insns may require their hardware or
|
| 797 |
|
|
operand elements to be in the table [which they mightn't be]. */
|
| 798 |
|
|
|
| 799 |
|
|
static void
|
| 800 |
|
|
build_insn_table (cd)
|
| 801 |
|
|
CGEN_CPU_TABLE *cd;
|
| 802 |
|
|
{
|
| 803 |
|
|
int i;
|
| 804 |
|
|
const CGEN_IBASE *ib = & openrisc_cgen_insn_table[0];
|
| 805 |
|
|
CGEN_INSN *insns = (CGEN_INSN *) xmalloc (MAX_INSNS * sizeof (CGEN_INSN));
|
| 806 |
|
|
|
| 807 |
|
|
memset (insns, 0, MAX_INSNS * sizeof (CGEN_INSN));
|
| 808 |
|
|
for (i = 0; i < MAX_INSNS; ++i)
|
| 809 |
|
|
insns[i].base = &ib[i];
|
| 810 |
|
|
cd->insn_table.init_entries = insns;
|
| 811 |
|
|
cd->insn_table.entry_size = sizeof (CGEN_IBASE);
|
| 812 |
|
|
cd->insn_table.num_init_entries = MAX_INSNS;
|
| 813 |
|
|
}
|
| 814 |
|
|
|
| 815 |
|
|
/* Subroutine of openrisc_cgen_cpu_open to rebuild the tables. */
|
| 816 |
|
|
|
| 817 |
|
|
static void
|
| 818 |
|
|
openrisc_cgen_rebuild_tables (cd)
|
| 819 |
|
|
CGEN_CPU_TABLE *cd;
|
| 820 |
|
|
{
|
| 821 |
|
|
int i;
|
| 822 |
|
|
unsigned int isas = cd->isas;
|
| 823 |
|
|
unsigned int machs = cd->machs;
|
| 824 |
|
|
|
| 825 |
|
|
cd->int_insn_p = CGEN_INT_INSN_P;
|
| 826 |
|
|
|
| 827 |
|
|
/* Data derived from the isa spec. */
|
| 828 |
|
|
#define UNSET (CGEN_SIZE_UNKNOWN + 1)
|
| 829 |
|
|
cd->default_insn_bitsize = UNSET;
|
| 830 |
|
|
cd->base_insn_bitsize = UNSET;
|
| 831 |
|
|
cd->min_insn_bitsize = 65535; /* some ridiculously big number */
|
| 832 |
|
|
cd->max_insn_bitsize = 0;
|
| 833 |
|
|
for (i = 0; i < MAX_ISAS; ++i)
|
| 834 |
|
|
if (((1 << i) & isas) != 0)
|
| 835 |
|
|
{
|
| 836 |
|
|
const CGEN_ISA *isa = & openrisc_cgen_isa_table[i];
|
| 837 |
|
|
|
| 838 |
|
|
/* Default insn sizes of all selected isas must be
|
| 839 |
|
|
equal or we set the result to 0, meaning "unknown". */
|
| 840 |
|
|
if (cd->default_insn_bitsize == UNSET)
|
| 841 |
|
|
cd->default_insn_bitsize = isa->default_insn_bitsize;
|
| 842 |
|
|
else if (isa->default_insn_bitsize == cd->default_insn_bitsize)
|
| 843 |
|
|
; /* this is ok */
|
| 844 |
|
|
else
|
| 845 |
|
|
cd->default_insn_bitsize = CGEN_SIZE_UNKNOWN;
|
| 846 |
|
|
|
| 847 |
|
|
/* Base insn sizes of all selected isas must be equal
|
| 848 |
|
|
or we set the result to 0, meaning "unknown". */
|
| 849 |
|
|
if (cd->base_insn_bitsize == UNSET)
|
| 850 |
|
|
cd->base_insn_bitsize = isa->base_insn_bitsize;
|
| 851 |
|
|
else if (isa->base_insn_bitsize == cd->base_insn_bitsize)
|
| 852 |
|
|
; /* this is ok */
|
| 853 |
|
|
else
|
| 854 |
|
|
cd->base_insn_bitsize = CGEN_SIZE_UNKNOWN;
|
| 855 |
|
|
|
| 856 |
|
|
/* Set min,max insn sizes. */
|
| 857 |
|
|
if (isa->min_insn_bitsize < cd->min_insn_bitsize)
|
| 858 |
|
|
cd->min_insn_bitsize = isa->min_insn_bitsize;
|
| 859 |
|
|
if (isa->max_insn_bitsize > cd->max_insn_bitsize)
|
| 860 |
|
|
cd->max_insn_bitsize = isa->max_insn_bitsize;
|
| 861 |
|
|
}
|
| 862 |
|
|
|
| 863 |
|
|
/* Data derived from the mach spec. */
|
| 864 |
|
|
for (i = 0; i < MAX_MACHS; ++i)
|
| 865 |
|
|
if (((1 << i) & machs) != 0)
|
| 866 |
|
|
{
|
| 867 |
|
|
const CGEN_MACH *mach = & openrisc_cgen_mach_table[i];
|
| 868 |
|
|
|
| 869 |
|
|
if (mach->insn_chunk_bitsize != 0)
|
| 870 |
|
|
{
|
| 871 |
|
|
if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize)
|
| 872 |
|
|
{
|
| 873 |
|
|
fprintf (stderr, "openrisc_cgen_rebuild_tables: conflicting insn-chunk-bitsize values: `%d' vs. `%d'\n",
|
| 874 |
|
|
cd->insn_chunk_bitsize, mach->insn_chunk_bitsize);
|
| 875 |
|
|
abort ();
|
| 876 |
|
|
}
|
| 877 |
|
|
|
| 878 |
|
|
cd->insn_chunk_bitsize = mach->insn_chunk_bitsize;
|
| 879 |
|
|
}
|
| 880 |
|
|
}
|
| 881 |
|
|
|
| 882 |
|
|
/* Determine which hw elements are used by MACH. */
|
| 883 |
|
|
build_hw_table (cd);
|
| 884 |
|
|
|
| 885 |
|
|
/* Build the ifield table. */
|
| 886 |
|
|
build_ifield_table (cd);
|
| 887 |
|
|
|
| 888 |
|
|
/* Determine which operands are used by MACH/ISA. */
|
| 889 |
|
|
build_operand_table (cd);
|
| 890 |
|
|
|
| 891 |
|
|
/* Build the instruction table. */
|
| 892 |
|
|
build_insn_table (cd);
|
| 893 |
|
|
}
|
| 894 |
|
|
|
| 895 |
|
|
/* Initialize a cpu table and return a descriptor.
|
| 896 |
|
|
It's much like opening a file, and must be the first function called.
|
| 897 |
|
|
The arguments are a set of (type/value) pairs, terminated with
|
| 898 |
|
|
CGEN_CPU_OPEN_END.
|
| 899 |
|
|
|
| 900 |
|
|
Currently supported values:
|
| 901 |
|
|
CGEN_CPU_OPEN_ISAS: bitmap of values in enum isa_attr
|
| 902 |
|
|
CGEN_CPU_OPEN_MACHS: bitmap of values in enum mach_attr
|
| 903 |
|
|
CGEN_CPU_OPEN_BFDMACH: specify 1 mach using bfd name
|
| 904 |
|
|
CGEN_CPU_OPEN_ENDIAN: specify endian choice
|
| 905 |
|
|
CGEN_CPU_OPEN_END: terminates arguments
|
| 906 |
|
|
|
| 907 |
|
|
??? Simultaneous multiple isas might not make sense, but it's not (yet)
|
| 908 |
|
|
precluded.
|
| 909 |
|
|
|
| 910 |
|
|
??? We only support ISO C stdargs here, not K&R.
|
| 911 |
|
|
Laziness, plus experiment to see if anything requires K&R - eventually
|
| 912 |
|
|
K&R will no longer be supported - e.g. GDB is currently trying this. */
|
| 913 |
|
|
|
| 914 |
|
|
CGEN_CPU_DESC
|
| 915 |
|
|
openrisc_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
|
| 916 |
|
|
{
|
| 917 |
|
|
CGEN_CPU_TABLE *cd = (CGEN_CPU_TABLE *) xmalloc (sizeof (CGEN_CPU_TABLE));
|
| 918 |
|
|
static int init_p;
|
| 919 |
|
|
unsigned int isas = 0; /* 0 = "unspecified" */
|
| 920 |
|
|
unsigned int machs = 0; /* 0 = "unspecified" */
|
| 921 |
|
|
enum cgen_endian endian = CGEN_ENDIAN_UNKNOWN;
|
| 922 |
|
|
va_list ap;
|
| 923 |
|
|
|
| 924 |
|
|
if (! init_p)
|
| 925 |
|
|
{
|
| 926 |
|
|
init_tables ();
|
| 927 |
|
|
init_p = 1;
|
| 928 |
|
|
}
|
| 929 |
|
|
|
| 930 |
|
|
memset (cd, 0, sizeof (*cd));
|
| 931 |
|
|
|
| 932 |
|
|
va_start (ap, arg_type);
|
| 933 |
|
|
while (arg_type != CGEN_CPU_OPEN_END)
|
| 934 |
|
|
{
|
| 935 |
|
|
switch (arg_type)
|
| 936 |
|
|
{
|
| 937 |
|
|
case CGEN_CPU_OPEN_ISAS :
|
| 938 |
|
|
isas = va_arg (ap, unsigned int);
|
| 939 |
|
|
break;
|
| 940 |
|
|
case CGEN_CPU_OPEN_MACHS :
|
| 941 |
|
|
machs = va_arg (ap, unsigned int);
|
| 942 |
|
|
break;
|
| 943 |
|
|
case CGEN_CPU_OPEN_BFDMACH :
|
| 944 |
|
|
{
|
| 945 |
|
|
const char *name = va_arg (ap, const char *);
|
| 946 |
|
|
const CGEN_MACH *mach =
|
| 947 |
|
|
lookup_mach_via_bfd_name (openrisc_cgen_mach_table, name);
|
| 948 |
|
|
|
| 949 |
|
|
machs |= 1 << mach->num;
|
| 950 |
|
|
break;
|
| 951 |
|
|
}
|
| 952 |
|
|
case CGEN_CPU_OPEN_ENDIAN :
|
| 953 |
|
|
endian = va_arg (ap, enum cgen_endian);
|
| 954 |
|
|
break;
|
| 955 |
|
|
default :
|
| 956 |
|
|
fprintf (stderr, "openrisc_cgen_cpu_open: unsupported argument `%d'\n",
|
| 957 |
|
|
arg_type);
|
| 958 |
|
|
abort (); /* ??? return NULL? */
|
| 959 |
|
|
}
|
| 960 |
|
|
arg_type = va_arg (ap, enum cgen_cpu_open_arg);
|
| 961 |
|
|
}
|
| 962 |
|
|
va_end (ap);
|
| 963 |
|
|
|
| 964 |
|
|
/* mach unspecified means "all" */
|
| 965 |
|
|
if (machs == 0)
|
| 966 |
|
|
machs = (1 << MAX_MACHS) - 1;
|
| 967 |
|
|
/* base mach is always selected */
|
| 968 |
|
|
machs |= 1;
|
| 969 |
|
|
/* isa unspecified means "all" */
|
| 970 |
|
|
if (isas == 0)
|
| 971 |
|
|
isas = (1 << MAX_ISAS) - 1;
|
| 972 |
|
|
if (endian == CGEN_ENDIAN_UNKNOWN)
|
| 973 |
|
|
{
|
| 974 |
|
|
/* ??? If target has only one, could have a default. */
|
| 975 |
|
|
fprintf (stderr, "openrisc_cgen_cpu_open: no endianness specified\n");
|
| 976 |
|
|
abort ();
|
| 977 |
|
|
}
|
| 978 |
|
|
|
| 979 |
|
|
cd->isas = isas;
|
| 980 |
|
|
cd->machs = machs;
|
| 981 |
|
|
cd->endian = endian;
|
| 982 |
|
|
/* FIXME: for the sparc case we can determine insn-endianness statically.
|
| 983 |
|
|
The worry here is where both data and insn endian can be independently
|
| 984 |
|
|
chosen, in which case this function will need another argument.
|
| 985 |
|
|
Actually, will want to allow for more arguments in the future anyway. */
|
| 986 |
|
|
cd->insn_endian = endian;
|
| 987 |
|
|
|
| 988 |
|
|
/* Table (re)builder. */
|
| 989 |
|
|
cd->rebuild_tables = openrisc_cgen_rebuild_tables;
|
| 990 |
|
|
openrisc_cgen_rebuild_tables (cd);
|
| 991 |
|
|
|
| 992 |
|
|
/* Default to not allowing signed overflow. */
|
| 993 |
|
|
cd->signed_overflow_ok_p = 0;
|
| 994 |
|
|
|
| 995 |
|
|
return (CGEN_CPU_DESC) cd;
|
| 996 |
|
|
}
|
| 997 |
|
|
|
| 998 |
|
|
/* Cover fn to openrisc_cgen_cpu_open to handle the simple case of 1 isa, 1 mach.
|
| 999 |
|
|
MACH_NAME is the bfd name of the mach. */
|
| 1000 |
|
|
|
| 1001 |
|
|
CGEN_CPU_DESC
|
| 1002 |
|
|
openrisc_cgen_cpu_open_1 (mach_name, endian)
|
| 1003 |
|
|
const char *mach_name;
|
| 1004 |
|
|
enum cgen_endian endian;
|
| 1005 |
|
|
{
|
| 1006 |
|
|
return openrisc_cgen_cpu_open (CGEN_CPU_OPEN_BFDMACH, mach_name,
|
| 1007 |
|
|
CGEN_CPU_OPEN_ENDIAN, endian,
|
| 1008 |
|
|
CGEN_CPU_OPEN_END);
|
| 1009 |
|
|
}
|
| 1010 |
|
|
|
| 1011 |
|
|
/* Close a cpu table.
|
| 1012 |
|
|
??? This can live in a machine independent file, but there's currently
|
| 1013 |
|
|
no place to put this file (there's no libcgen). libopcodes is the wrong
|
| 1014 |
|
|
place as some simulator ports use this but they don't use libopcodes. */
|
| 1015 |
|
|
|
| 1016 |
|
|
void
|
| 1017 |
|
|
openrisc_cgen_cpu_close (cd)
|
| 1018 |
|
|
CGEN_CPU_DESC cd;
|
| 1019 |
|
|
{
|
| 1020 |
|
|
unsigned int i;
|
| 1021 |
|
|
CGEN_INSN *insns;
|
| 1022 |
|
|
|
| 1023 |
|
|
if (cd->macro_insn_table.init_entries)
|
| 1024 |
|
|
{
|
| 1025 |
|
|
insns = cd->macro_insn_table.init_entries;
|
| 1026 |
|
|
for (i = 0; i < cd->macro_insn_table.num_init_entries; ++i, ++insns)
|
| 1027 |
|
|
{
|
| 1028 |
|
|
if (CGEN_INSN_RX ((insns)))
|
| 1029 |
|
|
regfree(CGEN_INSN_RX (insns));
|
| 1030 |
|
|
}
|
| 1031 |
|
|
}
|
| 1032 |
|
|
|
| 1033 |
|
|
if (cd->insn_table.init_entries)
|
| 1034 |
|
|
{
|
| 1035 |
|
|
insns = cd->insn_table.init_entries;
|
| 1036 |
|
|
for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns)
|
| 1037 |
|
|
{
|
| 1038 |
|
|
if (CGEN_INSN_RX (insns))
|
| 1039 |
|
|
regfree(CGEN_INSN_RX (insns));
|
| 1040 |
|
|
}
|
| 1041 |
|
|
}
|
| 1042 |
|
|
|
| 1043 |
|
|
|
| 1044 |
|
|
|
| 1045 |
|
|
if (cd->macro_insn_table.init_entries)
|
| 1046 |
|
|
free ((CGEN_INSN *) cd->macro_insn_table.init_entries);
|
| 1047 |
|
|
|
| 1048 |
|
|
if (cd->insn_table.init_entries)
|
| 1049 |
|
|
free ((CGEN_INSN *) cd->insn_table.init_entries);
|
| 1050 |
|
|
|
| 1051 |
|
|
if (cd->hw_table.entries)
|
| 1052 |
|
|
free ((CGEN_HW_ENTRY *) cd->hw_table.entries);
|
| 1053 |
|
|
|
| 1054 |
|
|
if (cd->operand_table.entries)
|
| 1055 |
|
|
free ((CGEN_HW_ENTRY *) cd->operand_table.entries);
|
| 1056 |
|
|
|
| 1057 |
|
|
free (cd);
|
| 1058 |
|
|
}
|
| 1059 |
|
|
|