| /* CPU data for openrisc. |
| |
| THIS FILE IS MACHINE GENERATED WITH CGEN. |
| |
| Copyright 1996-2007 Free Software Foundation, Inc. |
| |
| This file is part of the GNU Binutils and/or GDB, the GNU debugger. |
| |
| This file is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| It is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| License for more details. |
| |
| You should have received a copy of the GNU General Public License along |
| with this program; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. |
| |
| */ |
| |
| #include "sysdep.h" |
| #include <stdio.h> |
| #include <stdarg.h> |
| #include "ansidecl.h" |
| #include "bfd.h" |
| #include "symcat.h" |
| #include "openrisc-desc.h" |
| #include "openrisc-opc.h" |
| #include "opintl.h" |
| #include "libiberty.h" |
| #include "xregex.h" |
| |
| /* Attributes. */ |
| |
| static const CGEN_ATTR_ENTRY bool_attr[] = |
| { |
| { "#f", 0 }, |
| { "#t", 1 }, |
| { 0, 0 } |
| }; |
| |
| static const CGEN_ATTR_ENTRY MACH_attr[] ATTRIBUTE_UNUSED = |
| { |
| { "base", MACH_BASE }, |
| { "openrisc", MACH_OPENRISC }, |
| { "or1300", MACH_OR1300 }, |
| { "max", MACH_MAX }, |
| { 0, 0 } |
| }; |
| |
| static const CGEN_ATTR_ENTRY ISA_attr[] ATTRIBUTE_UNUSED = |
| { |
| { "or32", ISA_OR32 }, |
| { "max", ISA_MAX }, |
| { 0, 0 } |
| }; |
| |
| static const CGEN_ATTR_ENTRY HAS_CACHE_attr[] ATTRIBUTE_UNUSED = |
| { |
| { "DATA_CACHE", HAS_CACHE_DATA_CACHE }, |
| { "INSN_CACHE", HAS_CACHE_INSN_CACHE }, |
| { 0, 0 } |
| }; |
| |
| const CGEN_ATTR_TABLE openrisc_cgen_ifield_attr_table[] = |
| { |
| { "MACH", & MACH_attr[0], & MACH_attr[0] }, |
| { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, |
| { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] }, |
| { "ABS-ADDR", &bool_attr[0], &bool_attr[0] }, |
| { "RESERVED", &bool_attr[0], &bool_attr[0] }, |
| { "SIGN-OPT", &bool_attr[0], &bool_attr[0] }, |
| { "SIGNED", &bool_attr[0], &bool_attr[0] }, |
| { 0, 0, 0 } |
| }; |
| |
| const CGEN_ATTR_TABLE openrisc_cgen_hardware_attr_table[] = |
| { |
| { "MACH", & MACH_attr[0], & MACH_attr[0] }, |
| { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, |
| { "CACHE-ADDR", &bool_attr[0], &bool_attr[0] }, |
| { "PC", &bool_attr[0], &bool_attr[0] }, |
| { "PROFILE", &bool_attr[0], &bool_attr[0] }, |
| { 0, 0, 0 } |
| }; |
| |
| const CGEN_ATTR_TABLE openrisc_cgen_operand_attr_table[] = |
| { |
| { "MACH", & MACH_attr[0], & MACH_attr[0] }, |
| { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, |
| { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] }, |
| { "ABS-ADDR", &bool_attr[0], &bool_attr[0] }, |
| { "SIGN-OPT", &bool_attr[0], &bool_attr[0] }, |
| { "SIGNED", &bool_attr[0], &bool_attr[0] }, |
| { "NEGATIVE", &bool_attr[0], &bool_attr[0] }, |
| { "RELAX", &bool_attr[0], &bool_attr[0] }, |
| { "SEM-ONLY", &bool_attr[0], &bool_attr[0] }, |
| { 0, 0, 0 } |
| }; |
| |
| const CGEN_ATTR_TABLE openrisc_cgen_insn_attr_table[] = |
| { |
| { "MACH", & MACH_attr[0], & MACH_attr[0] }, |
| { "ALIAS", &bool_attr[0], &bool_attr[0] }, |
| { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, |
| { "UNCOND-CTI", &bool_attr[0], &bool_attr[0] }, |
| { "COND-CTI", &bool_attr[0], &bool_attr[0] }, |
| { "SKIP-CTI", &bool_attr[0], &bool_attr[0] }, |
| { "DELAY-SLOT", &bool_attr[0], &bool_attr[0] }, |
| { "RELAXABLE", &bool_attr[0], &bool_attr[0] }, |
| { "RELAXED", &bool_attr[0], &bool_attr[0] }, |
| { "NO-DIS", &bool_attr[0], &bool_attr[0] }, |
| { "PBB", &bool_attr[0], &bool_attr[0] }, |
| { "NOT-IN-DELAY-SLOT", &bool_attr[0], &bool_attr[0] }, |
| { 0, 0, 0 } |
| }; |
| |
| /* Instruction set variants. */ |
| |
| static const CGEN_ISA openrisc_cgen_isa_table[] = { |
| { "or32", 32, 32, 32, 32 }, |
| { 0, 0, 0, 0, 0 } |
| }; |
| |
| /* Machine variants. */ |
| |
| static const CGEN_MACH openrisc_cgen_mach_table[] = { |
| { "openrisc", "openrisc", MACH_OPENRISC, 0 }, |
| { "or1300", "openrisc:1300", MACH_OR1300, 0 }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| static CGEN_KEYWORD_ENTRY openrisc_cgen_opval_h_gr_entries[] = |
| { |
| { "r0", 0, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r1", 1, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r2", 2, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r3", 3, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r4", 4, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r5", 5, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r6", 6, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r7", 7, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r8", 8, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r9", 9, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r10", 10, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r11", 11, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r12", 12, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r13", 13, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r14", 14, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r15", 15, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r16", 16, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r17", 17, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r18", 18, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r19", 19, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r20", 20, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r21", 21, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r22", 22, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r23", 23, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r24", 24, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r25", 25, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r26", 26, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r27", 27, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r28", 28, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r29", 29, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r30", 30, {0, {{{0, 0}}}}, 0, 0 }, |
| { "r31", 31, {0, {{{0, 0}}}}, 0, 0 }, |
| { "lr", 11, {0, {{{0, 0}}}}, 0, 0 }, |
| { "sp", 1, {0, {{{0, 0}}}}, 0, 0 }, |
| { "fp", 2, {0, {{{0, 0}}}}, 0, 0 } |
| }; |
| |
| CGEN_KEYWORD openrisc_cgen_opval_h_gr = |
| { |
| & openrisc_cgen_opval_h_gr_entries[0], |
| 35, |
| 0, 0, 0, 0, "" |
| }; |
| |
| |
| /* The hardware table. */ |
| |
| #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
| #define A(a) (1 << CGEN_HW_##a) |
| #else |
| #define A(a) (1 << CGEN_HW_/**/a) |
| #endif |
| |
| const CGEN_HW_ENTRY openrisc_cgen_hw_table[] = |
| { |
| { "h-memory", HW_H_MEMORY, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-sint", HW_H_SINT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-uint", HW_H_UINT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-addr", HW_H_ADDR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-iaddr", HW_H_IADDR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-pc", HW_H_PC, CGEN_ASM_NONE, 0, { 0|A(PROFILE)|A(PC), { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-gr", HW_H_GR, CGEN_ASM_KEYWORD, (PTR) & openrisc_cgen_opval_h_gr, { 0|A(PROFILE), { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-sr", HW_H_SR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-hi16", HW_H_HI16, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-lo16", HW_H_LO16, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-cbit", HW_H_CBIT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { "h-delay-insn", HW_H_DELAY_INSN, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { 0, 0, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } } |
| }; |
| |
| #undef A |
| |
| |
| /* The instruction field table. */ |
| |
| #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
| #define A(a) (1 << CGEN_IFLD_##a) |
| #else |
| #define A(a) (1 << CGEN_IFLD_/**/a) |
| #endif |
| |
| const CGEN_IFLD openrisc_cgen_ifld_table[] = |
| { |
| { OPENRISC_F_NIL, "f-nil", 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_ANYOF, "f-anyof", 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_CLASS, "f-class", 0, 32, 31, 2, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_SUB, "f-sub", 0, 32, 29, 4, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_R1, "f-r1", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_R2, "f-r2", 0, 32, 20, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_R3, "f-r3", 0, 32, 15, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_SIMM16, "f-simm16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_UIMM16, "f-uimm16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_UIMM5, "f-uimm5", 0, 32, 4, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_HI16, "f-hi16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_LO16, "f-lo16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_OP1, "f-op1", 0, 32, 31, 2, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_OP2, "f-op2", 0, 32, 29, 4, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_OP3, "f-op3", 0, 32, 25, 2, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_OP4, "f-op4", 0, 32, 23, 3, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_OP5, "f-op5", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_OP6, "f-op6", 0, 32, 7, 3, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_OP7, "f-op7", 0, 32, 3, 4, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_I16_1, "f-i16-1", 0, 32, 10, 11, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_I16_2, "f-i16-2", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_DISP26, "f-disp26", 0, 32, 25, 26, { 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_ABS26, "f-abs26", 0, 32, 25, 26, { 0|A(ABS_ADDR), { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_I16NC, "f-i16nc", 0, 0, 0, 0,{ 0|A(SIGN_OPT)|A(VIRTUAL), { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_F_15_8, "f-f-15-8", 0, 32, 15, 8, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_F_10_3, "f-f-10-3", 0, 32, 10, 3, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_F_4_1, "f-f-4-1", 0, 32, 4, 1, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_F_7_3, "f-f-7-3", 0, 32, 7, 3, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_F_10_7, "f-f-10-7", 0, 32, 10, 7, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } }, |
| { OPENRISC_F_F_10_11, "f-f-10-11", 0, 32, 10, 11, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } }, |
| { 0, 0, 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } } |
| }; |
| |
| #undef A |
| |
| |
| |
| /* multi ifield declarations */ |
| |
| const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD []; |
| |
| |
| /* multi ifield definitions */ |
| |
| const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [] = |
| { |
| { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_I16_1] } }, |
| { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_I16_2] } }, |
| { 0, { (const PTR) 0 } } |
| }; |
| |
| /* The operand table. */ |
| |
| #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
| #define A(a) (1 << CGEN_OPERAND_##a) |
| #else |
| #define A(a) (1 << CGEN_OPERAND_/**/a) |
| #endif |
| #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
| #define OPERAND(op) OPENRISC_OPERAND_##op |
| #else |
| #define OPERAND(op) OPENRISC_OPERAND_/**/op |
| #endif |
| |
| const CGEN_OPERAND openrisc_cgen_operand_table[] = |
| { |
| /* pc: program counter */ |
| { "pc", OPENRISC_OPERAND_PC, HW_H_PC, 0, 0, |
| { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_NIL] } }, |
| { 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } } }, |
| /* sr: special register */ |
| { "sr", OPENRISC_OPERAND_SR, HW_H_SR, 0, 0, |
| { 0, { (const PTR) 0 } }, |
| { 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } } }, |
| /* cbit: condition bit */ |
| { "cbit", OPENRISC_OPERAND_CBIT, HW_H_CBIT, 0, 0, |
| { 0, { (const PTR) 0 } }, |
| { 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } } }, |
| /* simm-16: 16 bit signed immediate */ |
| { "simm-16", OPENRISC_OPERAND_SIMM_16, HW_H_SINT, 15, 16, |
| { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_SIMM16] } }, |
| { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| /* uimm-16: 16 bit unsigned immediate */ |
| { "uimm-16", OPENRISC_OPERAND_UIMM_16, HW_H_UINT, 15, 16, |
| { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_UIMM16] } }, |
| { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| /* disp-26: pc-rel 26 bit */ |
| { "disp-26", OPENRISC_OPERAND_DISP_26, HW_H_IADDR, 25, 26, |
| { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_DISP26] } }, |
| { 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } } }, |
| /* abs-26: abs 26 bit */ |
| { "abs-26", OPENRISC_OPERAND_ABS_26, HW_H_IADDR, 25, 26, |
| { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_ABS26] } }, |
| { 0|A(ABS_ADDR), { { { (1<<MACH_BASE), 0 } } } } }, |
| /* uimm-5: imm5 */ |
| { "uimm-5", OPENRISC_OPERAND_UIMM_5, HW_H_UINT, 4, 5, |
| { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_UIMM5] } }, |
| { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
| /* rD: destination register */ |
| { "rD", OPENRISC_OPERAND_RD, HW_H_GR, 25, 5, |
| { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_R1] } }, |
| { 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); |
| } |
| |