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1043 lines
33 KiB
C
1043 lines
33 KiB
C
/* CPU data for openrisc.
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THIS FILE IS MACHINE GENERATED WITH CGEN.
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Copyright 1996-2007 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 file 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 3, or (at your option)
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any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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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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51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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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#include "xregex.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[] ATTRIBUTE_UNUSED =
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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[] ATTRIBUTE_UNUSED =
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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[] ATTRIBUTE_UNUSED =
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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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{ "RELAXED", &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, 0 },
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{ "r1", 1, {0, {{{0, 0}}}}, 0, 0 },
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{ "r2", 2, {0, {{{0, 0}}}}, 0, 0 },
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{ "r3", 3, {0, {{{0, 0}}}}, 0, 0 },
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{ "r4", 4, {0, {{{0, 0}}}}, 0, 0 },
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{ "r5", 5, {0, {{{0, 0}}}}, 0, 0 },
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{ "r6", 6, {0, {{{0, 0}}}}, 0, 0 },
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{ "r7", 7, {0, {{{0, 0}}}}, 0, 0 },
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{ "r8", 8, {0, {{{0, 0}}}}, 0, 0 },
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{ "r9", 9, {0, {{{0, 0}}}}, 0, 0 },
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{ "r10", 10, {0, {{{0, 0}}}}, 0, 0 },
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{ "r11", 11, {0, {{{0, 0}}}}, 0, 0 },
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{ "r12", 12, {0, {{{0, 0}}}}, 0, 0 },
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{ "r13", 13, {0, {{{0, 0}}}}, 0, 0 },
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{ "r14", 14, {0, {{{0, 0}}}}, 0, 0 },
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{ "r15", 15, {0, {{{0, 0}}}}, 0, 0 },
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{ "r16", 16, {0, {{{0, 0}}}}, 0, 0 },
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{ "r17", 17, {0, {{{0, 0}}}}, 0, 0 },
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{ "r18", 18, {0, {{{0, 0}}}}, 0, 0 },
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{ "r19", 19, {0, {{{0, 0}}}}, 0, 0 },
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{ "r20", 20, {0, {{{0, 0}}}}, 0, 0 },
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{ "r21", 21, {0, {{{0, 0}}}}, 0, 0 },
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{ "r22", 22, {0, {{{0, 0}}}}, 0, 0 },
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{ "r23", 23, {0, {{{0, 0}}}}, 0, 0 },
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{ "r24", 24, {0, {{{0, 0}}}}, 0, 0 },
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{ "r25", 25, {0, {{{0, 0}}}}, 0, 0 },
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{ "r26", 26, {0, {{{0, 0}}}}, 0, 0 },
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{ "r27", 27, {0, {{{0, 0}}}}, 0, 0 },
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{ "r28", 28, {0, {{{0, 0}}}}, 0, 0 },
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{ "r29", 29, {0, {{{0, 0}}}}, 0, 0 },
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{ "r30", 30, {0, {{{0, 0}}}}, 0, 0 },
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{ "r31", 31, {0, {{{0, 0}}}}, 0, 0 },
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{ "lr", 11, {0, {{{0, 0}}}}, 0, 0 },
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{ "sp", 1, {0, {{{0, 0}}}}, 0, 0 },
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{ "fp", 2, {0, {{{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), 0 } } } } },
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{ "h-sint", HW_H_SINT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ "h-uint", HW_H_UINT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ "h-addr", HW_H_ADDR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ "h-iaddr", HW_H_IADDR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ "h-pc", HW_H_PC, CGEN_ASM_NONE, 0, { 0|A(PROFILE)|A(PC), { { { (1<<MACH_BASE), 0 } } } } },
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{ "h-gr", HW_H_GR, CGEN_ASM_KEYWORD, (PTR) & openrisc_cgen_opval_h_gr, { 0|A(PROFILE), { { { (1<<MACH_BASE), 0 } } } } },
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{ "h-sr", HW_H_SR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ "h-hi16", HW_H_HI16, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ "h-lo16", HW_H_LO16, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ "h-cbit", HW_H_CBIT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ "h-delay-insn", HW_H_DELAY_INSN, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ 0, 0, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 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), 0 } } } } },
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{ OPENRISC_F_ANYOF, "f-anyof", 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_CLASS, "f-class", 0, 32, 31, 2, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_SUB, "f-sub", 0, 32, 29, 4, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_R1, "f-r1", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_R2, "f-r2", 0, 32, 20, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_R3, "f-r3", 0, 32, 15, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_SIMM16, "f-simm16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_UIMM16, "f-uimm16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_UIMM5, "f-uimm5", 0, 32, 4, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_HI16, "f-hi16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_LO16, "f-lo16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_OP1, "f-op1", 0, 32, 31, 2, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_OP2, "f-op2", 0, 32, 29, 4, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_OP3, "f-op3", 0, 32, 25, 2, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_OP4, "f-op4", 0, 32, 23, 3, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_OP5, "f-op5", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_OP6, "f-op6", 0, 32, 7, 3, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_OP7, "f-op7", 0, 32, 3, 4, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_I16_1, "f-i16-1", 0, 32, 10, 11, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_I16_2, "f-i16-2", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_DISP26, "f-disp26", 0, 32, 25, 26, { 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_ABS26, "f-abs26", 0, 32, 25, 26, { 0|A(ABS_ADDR), { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_I16NC, "f-i16nc", 0, 0, 0, 0,{ 0|A(SIGN_OPT)|A(VIRTUAL), { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_F_15_8, "f-f-15-8", 0, 32, 15, 8, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_F_10_3, "f-f-10-3", 0, 32, 10, 3, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_F_4_1, "f-f-4-1", 0, 32, 4, 1, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_F_7_3, "f-f-7-3", 0, 32, 7, 3, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_F_10_7, "f-f-10-7", 0, 32, 10, 7, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } },
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{ OPENRISC_F_F_10_11, "f-f-10-11", 0, 32, 10, 11, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } },
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{ 0, 0, 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }
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};
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#undef A
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/* multi ifield declarations */
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const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [];
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/* multi ifield definitions */
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const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [] =
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{
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{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_I16_1] } },
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{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_I16_2] } },
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{ 0, { (const PTR) 0 } }
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};
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/* The operand table. */
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#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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#define A(a) (1 << CGEN_OPERAND_##a)
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#else
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#define A(a) (1 << CGEN_OPERAND_/**/a)
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#endif
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#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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#define OPERAND(op) OPENRISC_OPERAND_##op
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#else
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#define OPERAND(op) OPENRISC_OPERAND_/**/op
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#endif
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const CGEN_OPERAND openrisc_cgen_operand_table[] =
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{
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/* pc: program counter */
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{ "pc", OPENRISC_OPERAND_PC, HW_H_PC, 0, 0,
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{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_NIL] } },
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{ 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } } },
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/* sr: special register */
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{ "sr", OPENRISC_OPERAND_SR, HW_H_SR, 0, 0,
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{ 0, { (const PTR) 0 } },
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{ 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } } },
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/* cbit: condition bit */
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{ "cbit", OPENRISC_OPERAND_CBIT, HW_H_CBIT, 0, 0,
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{ 0, { (const PTR) 0 } },
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{ 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } } },
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/* simm-16: 16 bit signed immediate */
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{ "simm-16", OPENRISC_OPERAND_SIMM_16, HW_H_SINT, 15, 16,
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{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_SIMM16] } },
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{ 0, { { { (1<<MACH_BASE), 0 } } } } },
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/* uimm-16: 16 bit unsigned immediate */
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{ "uimm-16", OPENRISC_OPERAND_UIMM_16, HW_H_UINT, 15, 16,
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{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_UIMM16] } },
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{ 0, { { { (1<<MACH_BASE), 0 } } } } },
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/* disp-26: pc-rel 26 bit */
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{ "disp-26", OPENRISC_OPERAND_DISP_26, HW_H_IADDR, 25, 26,
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{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_DISP26] } },
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{ 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } } },
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/* abs-26: abs 26 bit */
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{ "abs-26", OPENRISC_OPERAND_ABS_26, HW_H_IADDR, 25, 26,
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{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_ABS26] } },
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{ 0|A(ABS_ADDR), { { { (1<<MACH_BASE), 0 } } } } },
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/* uimm-5: imm5 */
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{ "uimm-5", OPENRISC_OPERAND_UIMM_5, HW_H_UINT, 4, 5,
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{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_UIMM5] } },
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{ 0, { { { (1<<MACH_BASE), 0 } } } } },
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/* rD: destination register */
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{ "rD", OPENRISC_OPERAND_RD, HW_H_GR, 25, 5,
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{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_R1] } },
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{ 0, { { { (1<<MACH_BASE), 0 } } } } },
|
|
/* rA: source register A */
|
|
{ "rA", OPENRISC_OPERAND_RA, HW_H_GR, 20, 5,
|
|
{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_R2] } },
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } } },
|
|
/* rB: source register B */
|
|
{ "rB", OPENRISC_OPERAND_RB, HW_H_GR, 15, 5,
|
|
{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_R3] } },
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } } },
|
|
/* op-f-23: f-op23 */
|
|
{ "op-f-23", OPENRISC_OPERAND_OP_F_23, HW_H_UINT, 23, 3,
|
|
{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_OP4] } },
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } } },
|
|
/* op-f-3: f-op3 */
|
|
{ "op-f-3", OPENRISC_OPERAND_OP_F_3, HW_H_UINT, 25, 5,
|
|
{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_OP5] } },
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } } },
|
|
/* hi16: high 16 bit immediate, sign optional */
|
|
{ "hi16", OPENRISC_OPERAND_HI16, HW_H_HI16, 15, 16,
|
|
{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_SIMM16] } },
|
|
{ 0|A(SIGN_OPT), { { { (1<<MACH_BASE), 0 } } } } },
|
|
/* lo16: low 16 bit immediate, sign optional */
|
|
{ "lo16", OPENRISC_OPERAND_LO16, HW_H_LO16, 15, 16,
|
|
{ 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_LO16] } },
|
|
{ 0|A(SIGN_OPT), { { { (1<<MACH_BASE), 0 } } } } },
|
|
/* ui16nc: 16 bit immediate, sign optional */
|
|
{ "ui16nc", OPENRISC_OPERAND_UI16NC, HW_H_LO16, 10, 16,
|
|
{ 2, { (const PTR) &OPENRISC_F_I16NC_MULTI_IFIELD[0] } },
|
|
{ 0|A(SIGN_OPT)|A(VIRTUAL), { { { (1<<MACH_BASE), 0 } } } } },
|
|
/* sentinel */
|
|
{ 0, 0, 0, 0, 0,
|
|
{ 0, { (const PTR) 0 } },
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } } }
|
|
};
|
|
|
|
#undef A
|
|
|
|
|
|
/* The instruction table. */
|
|
|
|
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
|
|
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
|
|
#define A(a) (1 << CGEN_INSN_##a)
|
|
#else
|
|
#define A(a) (1 << CGEN_INSN_/**/a)
|
|
#endif
|
|
|
|
static const CGEN_IBASE openrisc_cgen_insn_table[MAX_INSNS] =
|
|
{
|
|
/* Special null first entry.
|
|
A `num' value of zero is thus invalid.
|
|
Also, the special `invalid' insn resides here. */
|
|
{ 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
|
|
/* l.j ${abs-26} */
|
|
{
|
|
OPENRISC_INSN_L_J, "l-j", "l.j", 32,
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.jal ${abs-26} */
|
|
{
|
|
OPENRISC_INSN_L_JAL, "l-jal", "l.jal", 32,
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.jr $rA */
|
|
{
|
|
OPENRISC_INSN_L_JR, "l-jr", "l.jr", 32,
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.jalr $rA */
|
|
{
|
|
OPENRISC_INSN_L_JALR, "l-jalr", "l.jalr", 32,
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.bal ${disp-26} */
|
|
{
|
|
OPENRISC_INSN_L_BAL, "l-bal", "l.bal", 32,
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.bnf ${disp-26} */
|
|
{
|
|
OPENRISC_INSN_L_BNF, "l-bnf", "l.bnf", 32,
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(COND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.bf ${disp-26} */
|
|
{
|
|
OPENRISC_INSN_L_BF, "l-bf", "l.bf", 32,
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(COND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.brk ${uimm-16} */
|
|
{
|
|
OPENRISC_INSN_L_BRK, "l-brk", "l.brk", 32,
|
|
{ 0|A(NOT_IN_DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.rfe $rA */
|
|
{
|
|
OPENRISC_INSN_L_RFE, "l-rfe", "l.rfe", 32,
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sys ${uimm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SYS, "l-sys", "l.sys", 32,
|
|
{ 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.nop */
|
|
{
|
|
OPENRISC_INSN_L_NOP, "l-nop", "l.nop", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.movhi $rD,$hi16 */
|
|
{
|
|
OPENRISC_INSN_L_MOVHI, "l-movhi", "l.movhi", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.mfsr $rD,$rA */
|
|
{
|
|
OPENRISC_INSN_L_MFSR, "l-mfsr", "l.mfsr", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.mtsr $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_MTSR, "l-mtsr", "l.mtsr", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.lw $rD,${simm-16}($rA) */
|
|
{
|
|
OPENRISC_INSN_L_LW, "l-lw", "l.lw", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.lbz $rD,${simm-16}($rA) */
|
|
{
|
|
OPENRISC_INSN_L_LBZ, "l-lbz", "l.lbz", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.lbs $rD,${simm-16}($rA) */
|
|
{
|
|
OPENRISC_INSN_L_LBS, "l-lbs", "l.lbs", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.lhz $rD,${simm-16}($rA) */
|
|
{
|
|
OPENRISC_INSN_L_LHZ, "l-lhz", "l.lhz", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.lhs $rD,${simm-16}($rA) */
|
|
{
|
|
OPENRISC_INSN_L_LHS, "l-lhs", "l.lhs", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sw ${ui16nc}($rA),$rB */
|
|
{
|
|
OPENRISC_INSN_L_SW, "l-sw", "l.sw", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sb ${ui16nc}($rA),$rB */
|
|
{
|
|
OPENRISC_INSN_L_SB, "l-sb", "l.sb", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sh ${ui16nc}($rA),$rB */
|
|
{
|
|
OPENRISC_INSN_L_SH, "l-sh", "l.sh", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sll $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SLL, "l-sll", "l.sll", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.slli $rD,$rA,${uimm-5} */
|
|
{
|
|
OPENRISC_INSN_L_SLLI, "l-slli", "l.slli", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.srl $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SRL, "l-srl", "l.srl", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.srli $rD,$rA,${uimm-5} */
|
|
{
|
|
OPENRISC_INSN_L_SRLI, "l-srli", "l.srli", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sra $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SRA, "l-sra", "l.sra", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.srai $rD,$rA,${uimm-5} */
|
|
{
|
|
OPENRISC_INSN_L_SRAI, "l-srai", "l.srai", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.ror $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_ROR, "l-ror", "l.ror", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.rori $rD,$rA,${uimm-5} */
|
|
{
|
|
OPENRISC_INSN_L_RORI, "l-rori", "l.rori", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.add $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_ADD, "l-add", "l.add", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.addi $rD,$rA,$lo16 */
|
|
{
|
|
OPENRISC_INSN_L_ADDI, "l-addi", "l.addi", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sub $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SUB, "l-sub", "l.sub", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.subi $rD,$rA,$lo16 */
|
|
{
|
|
OPENRISC_INSN_L_SUBI, "l-subi", "l.subi", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.and $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_AND, "l-and", "l.and", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.andi $rD,$rA,$lo16 */
|
|
{
|
|
OPENRISC_INSN_L_ANDI, "l-andi", "l.andi", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.or $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_OR, "l-or", "l.or", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.ori $rD,$rA,$lo16 */
|
|
{
|
|
OPENRISC_INSN_L_ORI, "l-ori", "l.ori", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.xor $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_XOR, "l-xor", "l.xor", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.xori $rD,$rA,$lo16 */
|
|
{
|
|
OPENRISC_INSN_L_XORI, "l-xori", "l.xori", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.mul $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_MUL, "l-mul", "l.mul", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.muli $rD,$rA,$lo16 */
|
|
{
|
|
OPENRISC_INSN_L_MULI, "l-muli", "l.muli", 32,
|
|
{ 0, { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.div $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_DIV, "l-div", "l.div", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.divu $rD,$rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_DIVU, "l-divu", "l.divu", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfgts $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SFGTS, "l-sfgts", "l.sfgts", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfgtu $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SFGTU, "l-sfgtu", "l.sfgtu", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfges $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SFGES, "l-sfges", "l.sfges", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfgeu $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SFGEU, "l-sfgeu", "l.sfgeu", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sflts $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SFLTS, "l-sflts", "l.sflts", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfltu $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SFLTU, "l-sfltu", "l.sfltu", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfles $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SFLES, "l-sfles", "l.sfles", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfleu $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SFLEU, "l-sfleu", "l.sfleu", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfgtsi $rA,${simm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SFGTSI, "l-sfgtsi", "l.sfgtsi", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfgtui $rA,${uimm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SFGTUI, "l-sfgtui", "l.sfgtui", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfgesi $rA,${simm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SFGESI, "l-sfgesi", "l.sfgesi", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfgeui $rA,${uimm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SFGEUI, "l-sfgeui", "l.sfgeui", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfltsi $rA,${simm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SFLTSI, "l-sfltsi", "l.sfltsi", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfltui $rA,${uimm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SFLTUI, "l-sfltui", "l.sfltui", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sflesi $rA,${simm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SFLESI, "l-sflesi", "l.sflesi", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfleui $rA,${uimm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SFLEUI, "l-sfleui", "l.sfleui", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfeq $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SFEQ, "l-sfeq", "l.sfeq", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfeqi $rA,${simm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SFEQI, "l-sfeqi", "l.sfeqi", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfne $rA,$rB */
|
|
{
|
|
OPENRISC_INSN_L_SFNE, "l-sfne", "l.sfne", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
/* l.sfnei $rA,${simm-16} */
|
|
{
|
|
OPENRISC_INSN_L_SFNEI, "l-sfnei", "l.sfnei", 32,
|
|
{ 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
|
|
},
|
|
};
|
|
|
|
#undef OP
|
|
#undef A
|
|
|
|
/* Initialize anything needed to be done once, before any cpu_open call. */
|
|
|
|
static void
|
|
init_tables (void)
|
|
{
|
|
}
|
|
|
|
static const CGEN_MACH * lookup_mach_via_bfd_name (const CGEN_MACH *, const char *);
|
|
static void build_hw_table (CGEN_CPU_TABLE *);
|
|
static void build_ifield_table (CGEN_CPU_TABLE *);
|
|
static void build_operand_table (CGEN_CPU_TABLE *);
|
|
static void build_insn_table (CGEN_CPU_TABLE *);
|
|
static void openrisc_cgen_rebuild_tables (CGEN_CPU_TABLE *);
|
|
|
|
/* Subroutine of openrisc_cgen_cpu_open to look up a mach via its bfd name. */
|
|
|
|
static const CGEN_MACH *
|
|
lookup_mach_via_bfd_name (const CGEN_MACH *table, const char *name)
|
|
{
|
|
while (table->name)
|
|
{
|
|
if (strcmp (name, table->bfd_name) == 0)
|
|
return table;
|
|
++table;
|
|
}
|
|
abort ();
|
|
}
|
|
|
|
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table. */
|
|
|
|
static void
|
|
build_hw_table (CGEN_CPU_TABLE *cd)
|
|
{
|
|
int i;
|
|
int machs = cd->machs;
|
|
const CGEN_HW_ENTRY *init = & openrisc_cgen_hw_table[0];
|
|
/* MAX_HW is only an upper bound on the number of selected entries.
|
|
However each entry is indexed by it's enum so there can be holes in
|
|
the table. */
|
|
const CGEN_HW_ENTRY **selected =
|
|
(const CGEN_HW_ENTRY **) xmalloc (MAX_HW * sizeof (CGEN_HW_ENTRY *));
|
|
|
|
cd->hw_table.init_entries = init;
|
|
cd->hw_table.entry_size = sizeof (CGEN_HW_ENTRY);
|
|
memset (selected, 0, MAX_HW * sizeof (CGEN_HW_ENTRY *));
|
|
/* ??? For now we just use machs to determine which ones we want. */
|
|
for (i = 0; init[i].name != NULL; ++i)
|
|
if (CGEN_HW_ATTR_VALUE (&init[i], CGEN_HW_MACH)
|
|
& machs)
|
|
selected[init[i].type] = &init[i];
|
|
cd->hw_table.entries = selected;
|
|
cd->hw_table.num_entries = MAX_HW;
|
|
}
|
|
|
|
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table. */
|
|
|
|
static void
|
|
build_ifield_table (CGEN_CPU_TABLE *cd)
|
|
{
|
|
cd->ifld_table = & openrisc_cgen_ifld_table[0];
|
|
}
|
|
|
|
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table. */
|
|
|
|
static void
|
|
build_operand_table (CGEN_CPU_TABLE *cd)
|
|
{
|
|
int i;
|
|
int machs = cd->machs;
|
|
const CGEN_OPERAND *init = & openrisc_cgen_operand_table[0];
|
|
/* MAX_OPERANDS is only an upper bound on the number of selected entries.
|
|
However each entry is indexed by it's enum so there can be holes in
|
|
the table. */
|
|
const CGEN_OPERAND **selected = xmalloc (MAX_OPERANDS * sizeof (* selected));
|
|
|
|
cd->operand_table.init_entries = init;
|
|
cd->operand_table.entry_size = sizeof (CGEN_OPERAND);
|
|
memset (selected, 0, MAX_OPERANDS * sizeof (CGEN_OPERAND *));
|
|
/* ??? For now we just use mach to determine which ones we want. */
|
|
for (i = 0; init[i].name != NULL; ++i)
|
|
if (CGEN_OPERAND_ATTR_VALUE (&init[i], CGEN_OPERAND_MACH)
|
|
& machs)
|
|
selected[init[i].type] = &init[i];
|
|
cd->operand_table.entries = selected;
|
|
cd->operand_table.num_entries = MAX_OPERANDS;
|
|
}
|
|
|
|
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table.
|
|
??? This could leave out insns not supported by the specified mach/isa,
|
|
but that would cause errors like "foo only supported by bar" to become
|
|
"unknown insn", so for now we include all insns and require the app to
|
|
do the checking later.
|
|
??? On the other hand, parsing of such insns may require their hardware or
|
|
operand elements to be in the table [which they mightn't be]. */
|
|
|
|
static void
|
|
build_insn_table (CGEN_CPU_TABLE *cd)
|
|
{
|
|
int i;
|
|
const CGEN_IBASE *ib = & openrisc_cgen_insn_table[0];
|
|
CGEN_INSN *insns = xmalloc (MAX_INSNS * sizeof (CGEN_INSN));
|
|
|
|
memset (insns, 0, MAX_INSNS * sizeof (CGEN_INSN));
|
|
for (i = 0; i < MAX_INSNS; ++i)
|
|
insns[i].base = &ib[i];
|
|
cd->insn_table.init_entries = insns;
|
|
cd->insn_table.entry_size = sizeof (CGEN_IBASE);
|
|
cd->insn_table.num_init_entries = MAX_INSNS;
|
|
}
|
|
|
|
/* Subroutine of openrisc_cgen_cpu_open to rebuild the tables. */
|
|
|
|
static void
|
|
openrisc_cgen_rebuild_tables (CGEN_CPU_TABLE *cd)
|
|
{
|
|
int i;
|
|
CGEN_BITSET *isas = cd->isas;
|
|
unsigned int machs = cd->machs;
|
|
|
|
cd->int_insn_p = CGEN_INT_INSN_P;
|
|
|
|
/* Data derived from the isa spec. */
|
|
#define UNSET (CGEN_SIZE_UNKNOWN + 1)
|
|
cd->default_insn_bitsize = UNSET;
|
|
cd->base_insn_bitsize = UNSET;
|
|
cd->min_insn_bitsize = 65535; /* Some ridiculously big number. */
|
|
cd->max_insn_bitsize = 0;
|
|
for (i = 0; i < MAX_ISAS; ++i)
|
|
if (cgen_bitset_contains (isas, i))
|
|
{
|
|
const CGEN_ISA *isa = & openrisc_cgen_isa_table[i];
|
|
|
|
/* Default insn sizes of all selected isas must be
|
|
equal or we set the result to 0, meaning "unknown". */
|
|
if (cd->default_insn_bitsize == UNSET)
|
|
cd->default_insn_bitsize = isa->default_insn_bitsize;
|
|
else if (isa->default_insn_bitsize == cd->default_insn_bitsize)
|
|
; /* This is ok. */
|
|
else
|
|
cd->default_insn_bitsize = CGEN_SIZE_UNKNOWN;
|
|
|
|
/* Base insn sizes of all selected isas must be equal
|
|
or we set the result to 0, meaning "unknown". */
|
|
if (cd->base_insn_bitsize == UNSET)
|
|
cd->base_insn_bitsize = isa->base_insn_bitsize;
|
|
else if (isa->base_insn_bitsize == cd->base_insn_bitsize)
|
|
; /* This is ok. */
|
|
else
|
|
cd->base_insn_bitsize = CGEN_SIZE_UNKNOWN;
|
|
|
|
/* Set min,max insn sizes. */
|
|
if (isa->min_insn_bitsize < cd->min_insn_bitsize)
|
|
cd->min_insn_bitsize = isa->min_insn_bitsize;
|
|
if (isa->max_insn_bitsize > cd->max_insn_bitsize)
|
|
cd->max_insn_bitsize = isa->max_insn_bitsize;
|
|
}
|
|
|
|
/* Data derived from the mach spec. */
|
|
for (i = 0; i < MAX_MACHS; ++i)
|
|
if (((1 << i) & machs) != 0)
|
|
{
|
|
const CGEN_MACH *mach = & openrisc_cgen_mach_table[i];
|
|
|
|
if (mach->insn_chunk_bitsize != 0)
|
|
{
|
|
if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize)
|
|
{
|
|
fprintf (stderr, "openrisc_cgen_rebuild_tables: conflicting insn-chunk-bitsize values: `%d' vs. `%d'\n",
|
|
cd->insn_chunk_bitsize, mach->insn_chunk_bitsize);
|
|
abort ();
|
|
}
|
|
|
|
cd->insn_chunk_bitsize = mach->insn_chunk_bitsize;
|
|
}
|
|
}
|
|
|
|
/* Determine which hw elements are used by MACH. */
|
|
build_hw_table (cd);
|
|
|
|
/* Build the ifield table. */
|
|
build_ifield_table (cd);
|
|
|
|
/* Determine which operands are used by MACH/ISA. */
|
|
build_operand_table (cd);
|
|
|
|
/* Build the instruction table. */
|
|
build_insn_table (cd);
|
|
}
|
|
|
|
/* Initialize a cpu table and return a descriptor.
|
|
It's much like opening a file, and must be the first function called.
|
|
The arguments are a set of (type/value) pairs, terminated with
|
|
CGEN_CPU_OPEN_END.
|
|
|
|
Currently supported values:
|
|
CGEN_CPU_OPEN_ISAS: bitmap of values in enum isa_attr
|
|
CGEN_CPU_OPEN_MACHS: bitmap of values in enum mach_attr
|
|
CGEN_CPU_OPEN_BFDMACH: specify 1 mach using bfd name
|
|
CGEN_CPU_OPEN_ENDIAN: specify endian choice
|
|
CGEN_CPU_OPEN_END: terminates arguments
|
|
|
|
??? Simultaneous multiple isas might not make sense, but it's not (yet)
|
|
precluded.
|
|
|
|
??? We only support ISO C stdargs here, not K&R.
|
|
Laziness, plus experiment to see if anything requires K&R - eventually
|
|
K&R will no longer be supported - e.g. GDB is currently trying this. */
|
|
|
|
CGEN_CPU_DESC
|
|
openrisc_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
|
|
{
|
|
CGEN_CPU_TABLE *cd = (CGEN_CPU_TABLE *) xmalloc (sizeof (CGEN_CPU_TABLE));
|
|
static int init_p;
|
|
CGEN_BITSET *isas = 0; /* 0 = "unspecified" */
|
|
unsigned int machs = 0; /* 0 = "unspecified" */
|
|
enum cgen_endian endian = CGEN_ENDIAN_UNKNOWN;
|
|
va_list ap;
|
|
|
|
if (! init_p)
|
|
{
|
|
init_tables ();
|
|
init_p = 1;
|
|
}
|
|
|
|
memset (cd, 0, sizeof (*cd));
|
|
|
|
va_start (ap, arg_type);
|
|
while (arg_type != CGEN_CPU_OPEN_END)
|
|
{
|
|
switch (arg_type)
|
|
{
|
|
case CGEN_CPU_OPEN_ISAS :
|
|
isas = va_arg (ap, CGEN_BITSET *);
|
|
break;
|
|
case CGEN_CPU_OPEN_MACHS :
|
|
machs = va_arg (ap, unsigned int);
|
|
break;
|
|
case CGEN_CPU_OPEN_BFDMACH :
|
|
{
|
|
const char *name = va_arg (ap, const char *);
|
|
const CGEN_MACH *mach =
|
|
lookup_mach_via_bfd_name (openrisc_cgen_mach_table, name);
|
|
|
|
machs |= 1 << mach->num;
|
|
break;
|
|
}
|
|
case CGEN_CPU_OPEN_ENDIAN :
|
|
endian = va_arg (ap, enum cgen_endian);
|
|
break;
|
|
default :
|
|
fprintf (stderr, "openrisc_cgen_cpu_open: unsupported argument `%d'\n",
|
|
arg_type);
|
|
abort (); /* ??? return NULL? */
|
|
}
|
|
arg_type = va_arg (ap, enum cgen_cpu_open_arg);
|
|
}
|
|
va_end (ap);
|
|
|
|
/* Mach unspecified means "all". */
|
|
if (machs == 0)
|
|
machs = (1 << MAX_MACHS) - 1;
|
|
/* Base mach is always selected. */
|
|
machs |= 1;
|
|
if (endian == CGEN_ENDIAN_UNKNOWN)
|
|
{
|
|
/* ??? If target has only one, could have a default. */
|
|
fprintf (stderr, "openrisc_cgen_cpu_open: no endianness specified\n");
|
|
abort ();
|
|
}
|
|
|
|
cd->isas = cgen_bitset_copy (isas);
|
|
cd->machs = machs;
|
|
cd->endian = endian;
|
|
/* FIXME: for the sparc case we can determine insn-endianness statically.
|
|
The worry here is where both data and insn endian can be independently
|
|
chosen, in which case this function will need another argument.
|
|
Actually, will want to allow for more arguments in the future anyway. */
|
|
cd->insn_endian = endian;
|
|
|
|
/* Table (re)builder. */
|
|
cd->rebuild_tables = openrisc_cgen_rebuild_tables;
|
|
openrisc_cgen_rebuild_tables (cd);
|
|
|
|
/* Default to not allowing signed overflow. */
|
|
cd->signed_overflow_ok_p = 0;
|
|
|
|
return (CGEN_CPU_DESC) cd;
|
|
}
|
|
|
|
/* Cover fn to openrisc_cgen_cpu_open to handle the simple case of 1 isa, 1 mach.
|
|
MACH_NAME is the bfd name of the mach. */
|
|
|
|
CGEN_CPU_DESC
|
|
openrisc_cgen_cpu_open_1 (const char *mach_name, enum cgen_endian endian)
|
|
{
|
|
return openrisc_cgen_cpu_open (CGEN_CPU_OPEN_BFDMACH, mach_name,
|
|
CGEN_CPU_OPEN_ENDIAN, endian,
|
|
CGEN_CPU_OPEN_END);
|
|
}
|
|
|
|
/* Close a cpu table.
|
|
??? This can live in a machine independent file, but there's currently
|
|
no place to put this file (there's no libcgen). libopcodes is the wrong
|
|
place as some simulator ports use this but they don't use libopcodes. */
|
|
|
|
void
|
|
openrisc_cgen_cpu_close (CGEN_CPU_DESC cd)
|
|
{
|
|
unsigned int i;
|
|
const CGEN_INSN *insns;
|
|
|
|
if (cd->macro_insn_table.init_entries)
|
|
{
|
|
insns = cd->macro_insn_table.init_entries;
|
|
for (i = 0; i < cd->macro_insn_table.num_init_entries; ++i, ++insns)
|
|
if (CGEN_INSN_RX ((insns)))
|
|
regfree (CGEN_INSN_RX (insns));
|
|
}
|
|
|
|
if (cd->insn_table.init_entries)
|
|
{
|
|
insns = cd->insn_table.init_entries;
|
|
for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns)
|
|
if (CGEN_INSN_RX (insns))
|
|
regfree (CGEN_INSN_RX (insns));
|
|
}
|
|
|
|
if (cd->macro_insn_table.init_entries)
|
|
free ((CGEN_INSN *) cd->macro_insn_table.init_entries);
|
|
|
|
if (cd->insn_table.init_entries)
|
|
free ((CGEN_INSN *) cd->insn_table.init_entries);
|
|
|
|
if (cd->hw_table.entries)
|
|
free ((CGEN_HW_ENTRY *) cd->hw_table.entries);
|
|
|
|
if (cd->operand_table.entries)
|
|
free ((CGEN_HW_ENTRY *) cd->operand_table.entries);
|
|
|
|
free (cd);
|
|
}
|
|
|