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2014-10-23	Refactoring/cleanup of nios2 opcodes and assembler code.	Sandra Loosemore	1	-357/+349
	2014-10-23 Sandra Loosemore <sandra@codesourcery.com> include/opcode/ * nios2.h (enum iw_format_type): New. (struct nios2_opcode): Update comments. Add size and format fields. (NIOS2_INSN_OPTARG): New. (REG_NORMAL, REG_CONTROL, REG_COPROCESSOR): New. (struct nios2_reg): Add regtype field. (GET_INSN_FIELD, SET_INSN_FIELD): Delete. (IW_A_LSB, IW_A_MSB, IW_A_SZ, IW_A_MASK): Delete. (IW_B_LSB, IW_B_MSB, IW_B_SZ, IW_B_MASK): Delete. (IW_C_LSB, IW_C_MSB, IW_C_SZ, IW_C_MASK): Delete. (IW_IMM16_LSB, IW_IMM16_MSB, IW_IMM16_SZ, IW_IMM16_MASK): Delete. (IW_IMM26_LSB, IW_IMM26_MSB, IW_IMM26_SZ, IW_IMM26_MASK): Delete. (IW_OP_LSB, IW_OP_MSB, IW_OP_SZ, IW_OP_MASK): Delete. (IW_OPX_LSB, IW_OPX_MSB, IW_OPX_SZ, IW_OPX_MASK): Delete. (IW_SHIFT_IMM5_LSB, IW_SHIFT_IMM5_MSB): Delete. (IW_SHIFT_IMM5_SZ, IW_SHIFT_IMM5_MASK): Delete. (IW_CONTROL_REGNUM_LSB, IW_CONTROL_REGNUM_MSB): Delete. (IW_CONTROL_REGNUM_SZ, IW_CONTROL_REGNUM_MASK): Delete. (OP_MASK_OP, OP_SH_OP): Delete. (OP_MASK_IOP, OP_SH_IOP): Delete. (OP_MASK_IRD, OP_SH_IRD): Delete. (OP_MASK_IRT, OP_SH_IRT): Delete. (OP_MASK_IRS, OP_SH_IRS): Delete. (OP_MASK_ROP, OP_SH_ROP): Delete. (OP_MASK_RRD, OP_SH_RRD): Delete. (OP_MASK_RRT, OP_SH_RRT): Delete. (OP_MASK_RRS, OP_SH_RRS): Delete. (OP_MASK_JOP, OP_SH_JOP): Delete. (OP_MASK_IMM26, OP_SH_IMM26): Delete. (OP_MASK_RCTL, OP_SH_RCTL): Delete. (OP_MASK_IMM5, OP_SH_IMM5): Delete. (OP_MASK_CACHE_OPX, OP_SH_CACHE_OPX): Delete. (OP_MASK_CACHE_RRS, OP_SH_CACHE_RRS): Delete. (OP_MASK_CUSTOM_A, OP_SH_CUSTOM_A): Delete. (OP_MASK_CUSTOM_B, OP_SH_CUSTOM_B): Delete. (OP_MASK_CUSTOM_C, OP_SH_CUSTOM_C): Delete. (OP_MASK_CUSTOM_N, OP_SH_CUSTOM_N): Delete. (OP_<insn>, OPX_<insn>, OP_MATCH_<insn>, OPX_MATCH_<insn>): Delete. (OP_MASK_<insn>, OP_MASK): Delete. (GET_IW_A, GET_IW_B, GET_IW_C, GET_IW_CONTROL_REGNUM): Delete. (GET_IW_IMM16, GET_IW_IMM26, GET_IW_OP, GET_IW_OPX): Delete. Include nios2r1.h to define new instruction opcode constants and accessors. (nios2_builtin_opcodes): Rename to nios2_r1_opcodes. (bfd_nios2_num_builtin_opcodes): Rename to nios2_num_r1_opcodes. (bfd_nios2_num_opcodes): Rename to nios2_num_opcodes. (NUMOPCODES, NUMREGISTERS): Delete. * nios2r1.h: New file. opcodes/ * nios2-opc.c (nios2_builtin_regs): Add regtype field initializers. (nios2_builtin_opcodes): Rename to nios2_r1_opcodes. Use new MATCH_R1_<insn> and MASK_R1_<insn> macros in initializers. Add size and format initializers. Merge 'b' arguments into 'j'. (NIOS2_NUM_OPCODES): Adjust definition. (bfd_nios2_num_builtin_opcodes): Rename to nios2_num_r1_opcodes. (nios2_opcodes): Adjust. (bfd_nios2_num_opcodes): Rename to nios2_num_opcodes. * nios2-dis.c (INSNLEN): Update comment. (nios2_hash_init, nios2_hash): Delete. (OPCODE_HASH_SIZE): New. (nios2_r1_extract_opcode): New. (nios2_disassembler_state): New. (nios2_r1_disassembler_state): New. (nios2_init_opcode_hash): Add state parameter. Adjust to use it. (nios2_find_opcode_hash): Use state object. (bad_opcode): New. (nios2_print_insn_arg): Add op parameter. Use it to access format. Remove 'b' case. (nios2_disassemble): Remove special case for nop. Remove hard-coded instruction size. gas/ * config/tc-nios2.c (nios2_insn_infoS): Add constant_bits field. (nios2_arg_infoS, nios2_arg_hash, nios2_arg_lookup): Delete. (nios2_control_register_arg_p): Delete. (nios2_coproc_reg): Delete. (nios2_relax_frag): Remove hard-coded instruction size. (md_convert_frag): Use new insn accessor macros. (nios2_diagnose_overflow): Remove hard-coded instruction size. (md_apply_fix): Likewise. (bad_opcode): New. (nios2_parse_reg): New. (nios2_assemble_expression): Remove prev_reloc parameter. Adjust uses and callers. (nios2_assemble_arg_c): New. (nios2_assemble_arg_d): New. (nios2_assemble_arg_s): New. (nios2_assemble_arg_t): New. (nios2_assemble_arg_i): New. (nios2_assemble_arg_u): New. (nios2_assemble_arg_o): New. (nios2_assemble_arg_j): New. (nios2_assemble_arg_l): New. (nios2_assemble_arg_m): New. (nios2_assemble_args): New. (nios2_assemble_args_dst): Delete. (nios2_assemble_args_tsi): Delete. (nios2_assemble_args_tsu): Delete. (nios2_assemble_args_sto): Delete. (nios2_assemble_args_o): Delete. (nios2_assemble_args_is): Delete. (nios2_assemble_args_m): Delete. (nios2_assemble_args_s): Delete. (nios2_assemble_args_tis): Delete. (nios2_assemble_args_dc): Delete. (nios2_assemble_args_cs): Delete. (nios2_assemble_args_ds): Delete. (nios2_assemble_args_ldst): Delete. (nios2_assemble_args_none): Delete. (nios2_assemble_args_dsj): Delete. (nios2_assemble_args_d): Delete. (nios2_assemble_args_b): Delete. (nios2_arg_info_structs): Delete. (NIOS2_NUM_ARGS): Delete. (nios2_consume_arg): Remove insn parameter. Use new macros. Don't check register arguments here. Remove 'b' case. (nios2_consume_separator): Move check for missing separators to... (nios2_parse_args): ...here. Remove special case for optional arguments. (output_insn): Avoid using hard-coded insn size. (output_ubranch): Likewise. (output_cbranch): Likewise. (output_call): Use new macros. (output_addi): Likewise. (output_ori): Likewise. (output_xori): Likewise. (output_movia): Likewise. (md_begin): Remove nios2_arg_info_structs initialization. (md_assemble): Initialize constant_bits field. Use nios2_parse_args instead of looking up parse function in hash table. gdb/ * nios2-tdep.c (nios2_analyze_prologue): Use new instruction field accessors and constants from nios2 opcodes update. (nios2_get_next_pc): Likewise.
2014-03-05	Update copyright years	Alan Modra	1	-1/+1

2013-10-14	2013-10-13 Sandra Loosemore <sandra@codesourcery.com>	Sandra Loosemore	1	-2/+2
	opcodes/ * nios2-opc.c (nios2_builtin_reg): Use "sstatus" rather than "ba" as the primary name of r30. gas/ * config/tc-nios2.c (nios2_consume_arg): Make the "ba" warning also test/refer to "sstatus". Reformat the warning message. gas/testsuite/ * gas/nios2/warn_nobreak.l: Update text of warning messages. * gas/nios2/registers.s: Use "sstatus" rather than "ba" as the primary name of r30. * gas/nios2/registers.d: Likewise.
2013-06-10	2013-06-09 Sandra Loosemore <sandra@codesourcery.com>	Sandra Loosemore	1	-1/+1
	opcodes/ * nios2-opc.c (nios2_builtin_opcodes): Give "trap" a type-"b" argument. gas/ * config/tc-nios2.c (nios2_parse_args): Allow trap argument to omitted. gas/testsuite/ * gas/nios2/trap.s: Add additional test cases for optional argument. * gas/nios2/trap.d: Likewise.
2013-04-24	2013-04-24 Sandra Loosemore <sandra@codesourcery.com>	Sandra Loosemore	1	-1/+1
	gas/ * config/tc-nios2.c (nios2_control_register_arg_p): Rename "fstatus" control register to "eccinj". opcodes/ * nios2-opc.c (nios2_builtin_reg): Rename "fstatus" control register to "eccinj".
2013-03-12	2013-03-11 Sebastian Huber <sebastian.huber@embedded-brains.de>	Sandra Loosemore	1	-0/+2
	include/ * opcode/nios2.h (OPX_WRPRS): New define. (OP_MATCH_WRPRS): Likewise. opcodes/ * nios2-opc.c (nios2_builtin_opcodes): Add entry for wrprs. gas/ * config/tc-nios2.c (nios2_assemble_args_ds): New function. (nios2_arg_info_structs): Add "d,s" and "d,s,E" entries. gas/testsuite/ * gas/nios2/nios2.exp: Run wrprs. * gas/nios2/wrprs.d: New file. * gas/nios2/wrprs.s: Likewise.
2013-03-12	2013-03-11 Sebastian Huber <sebastian.huber@embedded-brains.de>	Sandra Loosemore	1	-0/+2
	include/ * opcode/nios2.h (OP_RDPRS): New define. (OP_MATCH_RDPRS): Likewise. opcodes/ * nios2-opc.c (nios2_builtin_opcodes): Add entry for rdprs. gas/testsuite/ * gas/nios2/nios2.exp: Run rdprs. * gas/nios2/rdprs.d: New file. * gas/nios2/rdprs.s: Likewise.
2013-03-12	2013-03-11 Sebastian Huber <sebastian.huber@embedded-brains.de>	Sandra Loosemore	1	-0/+1
	opcodes/ * nios2-opc.c (nios2_builtin_regs): Add sstatus alias for ba register. gas/testsuite/ * gas/nios2/nios2.exp: Run registers. * gas/nios2/registers.d: New file. * gas/nios2/registers.s: Likewise.
2013-02-06	2013-02-06 Sandra Loosemore <sandra@codesourcery.com>	Sandra Loosemore	1	-0/+410
	Andrew Jenner <andrew@codesourcery.com> Based on patches from Altera Corporation. bfd/ * Makefile.am (ALL_MACHINES): Add cpu-nios2.lo. (ALL_MACHINES_CFILES): Add cpu-nios2.c. (BFD_BACKENDS): Add elf32-nios2.lo. (BFD32_BACKENDS_CFILES): Add elf32-nios2.c. * Makefile.in: Regenerated. * configure.in: Add entries for bfd_elf32_bignios2_vec and bfd_elf32_littlenios2_vec. * configure: Regenerated. * config.bfd: Add cases for nios2. * archures.c (enum bfd_architecture): Add bfd_arch_nios2. (bfd_mach_nios2): Define. (bfd_nios2_arch): Declare. (bfd_archures_list): Add bfd_nios2_arch. * targets.c (bfd_elf32_bignios2_vec): Declare. (bfd_elf32_littlenios2_vec): Declare. (_bfd_target_vector): Add entries for bfd_elf32_bignios2_vec and bfd_elf32_littlenios2_vec. * elf-bfd.h (enum elf_target_id): Add NIOS2_ELF_DATA. * reloc.c (enum bfd_reloc_code_real): Add Nios II relocations. * bfd-in2.h: Regenerated. * libbfd.h: Regenerated. * cpu-nios2.c: New file. * elf32-nios2.c: New file. opcodes/ * Makefile.am (TARGET_LIBOPCODES_CFILES): Add nios2-dis.c and nios2-opc.c. * Makefile.in: Regenerated. * configure.in: Add case for bfd_nios2_arch. * configure: Regenerated. * disassemble.c (ARCH_nios2): Define. (disassembler): Add case for bfd_arch_nios2. * nios2-dis.c: New file. * nios2-opc.c: New file. include/ * dis-asm.h (print_insn_big_nios2): Declare. (print_insn_little_nios2): Declare. include/elf * nios2.h: New file. include/opcode/ * nios2.h: New file. gas/ * Makefile.am (TARGET_CPU_CFILES): Add config/tc-nios2.c. (TARGET_CPU_HFILES): Add config/tc-nios2.h. * Makefile.in: Regenerated. * configure.tgt: Add case for nios2-linux. * config/obj-elf.c: Conditionally include elf/nios2.h. * config/tc-nios2.c: New file. * config/tc-nios2.h: New file. * doc/Makefile.am (CPU_DOCS): Add c-nios2.texi. * doc/Makefile.in: Regenerated. * doc/all.texi: Set NIOSII. * doc/as.texinfo (Overview): Add Nios II options. (Machine Dependencies): Include c-nios2.texi. * doc/c-nios2.texi: New file. * NEWS: Note Altera Nios II support. gas/testsuite/ * gas/nios2/add.d: New. * gas/nios2/add.s: New. * gas/nios2/align_fill.d: New. * gas/nios2/align_fill.s: New. * gas/nios2/align_text.d: New. * gas/nios2/align_text.s: New. * gas/nios2/and.d: New. * gas/nios2/and.s: New. * gas/nios2/branch.d: New. * gas/nios2/branch.s: New. * gas/nios2/break.d: New. * gas/nios2/break.s: New. * gas/nios2/bret.d: New. * gas/nios2/bret.s: New. * gas/nios2/cache.d: New. * gas/nios2/cache.s: New. * gas/nios2/call26.d: New. * gas/nios2/call26.s: New. * gas/nios2/call.d: New. * gas/nios2/call.s: New. * gas/nios2/cmp.d: New. * gas/nios2/cmp.s: New. * gas/nios2/comments.d: New. * gas/nios2/comments.s: New. * gas/nios2/complex.d: New. * gas/nios2/complex.s: New. * gas/nios2/ctl.d: New. * gas/nios2/ctl.s: New. * gas/nios2/custom.d: New. * gas/nios2/custom.s: New. * gas/nios2/etbt.d: New. * gas/nios2/etbt.s: New. * gas/nios2/flushda.d: New. * gas/nios2/flushda.s: New. * gas/nios2/illegal.l: New. * gas/nios2/illegal.s: New. * gas/nios2/jmp.d: New. * gas/nios2/jmp.s: New. * gas/nios2/ldb.d: New. * gas/nios2/ldb.s: New. * gas/nios2/ldh.d: New. * gas/nios2/ldh.s: New. * gas/nios2/ldw.d: New. * gas/nios2/ldw.s: New. * gas/nios2/lineseparator.d: New. * gas/nios2/lineseparator.s: New. * gas/nios2/mov.d: New. * gas/nios2/movia.d: New. * gas/nios2/movia.s: New. * gas/nios2/movi.d: New. * gas/nios2/movi.s: New. * gas/nios2/mov.s: New. * gas/nios2/mul.d: New. * gas/nios2/mul.s: New. * gas/nios2/nios2.exp: New. * gas/nios2/nor.d: New. * gas/nios2/nor.s: New. * gas/nios2/or.d: New. * gas/nios2/or.s: New. * gas/nios2/ret.d: New. * gas/nios2/ret.s: New. * gas/nios2/rol.d: New. * gas/nios2/rol.s: New. * gas/nios2/rotate.d: New. * gas/nios2/rotate.s: New. * gas/nios2/stb.d: New. * gas/nios2/stb.s: New. * gas/nios2/sth.d: New. * gas/nios2/sth.s: New. * gas/nios2/stw.d: New. * gas/nios2/stw.s: New. * gas/nios2/sub.d: New. * gas/nios2/sub.s: New. * gas/nios2/sync.d: New. * gas/nios2/sync.s: New. * gas/nios2/trap.d: New. * gas/nios2/trap.s: New. * gas/nios2/tret.d: New. * gas/nios2/tret.s: New. * gas/nios2/warn_noat.l: New. * gas/nios2/warn_noat.s: New. * gas/nios2/warn_nobreak.l: New. * gas/nios2/warn_nobreak.s: New. * gas/nios2/xor.d: New. * gas/nios2/xor.s: New. ld/ * Makefile.am (enios2elf.c): New rule. * Makefile.in: Regenerated. * configure.tgt: Add case for nios2--. emulparams/nios2elf.sh: New file. * NEWS: Note Altera Nios II support. ld/testsuite/ * ld-nios2/emit-relocs-1a.s: New. * ld-nios2/emit-relocs-1b.s: New. * ld-nios2/emit-relocs-1.d: New. * ld-nios2/emit-relocs-1.ld: New. * ld-nios2/gprel.d: New. * ld-nios2/gprel.s: New. * ld-nios2/hilo16.d: New. * ld-nios2/hilo16.s: New. * ld-nios2/hilo16_symbol.s: New. * ld-nios2/imm5.d: New. * ld-nios2/imm5.s: New. * ld-nios2/imm5_symbol.s: New. * ld-nios2/nios2.exp: New. * ld-nios2/pcrel16.d: New. * ld-nios2/pcrel16_label.s: New. * ld-nios2/pcrel16.s: New. * ld-nios2/relax_callr.d: New. * ld-nios2/relax_callr.ld: New. * ld-nios2/relax_callr.s: New. * ld-nios2/relax_cjmp.d: New. * ld-nios2/relax_cjmp.s: New. * ld-nios2/relax_jmp.ld: New. * ld-nios2/relax_section.d: New. * ld-nios2/relax_section.s: New. * ld-nios2/relax_ujmp.d: New. * ld-nios2/relax_ujmp.s: New. * ld-nios2/reloc.d: New. * ld-nios2/reloc.s: New. * ld-nios2/reloc_symbol.s: New. * ld-nios2/s16.d: New. * ld-nios2/s16.s: New. * ld-nios2/s16_symbol.s: New. * ld-nios2/u16.d: New. * ld-nios2/u16.s: New. * ld-nios2/u16_symbol.s: New. * ld-elf/indirect.exp: Skip on targets that don't support -shared -fPIC. * ld-elfcomm/elfcomm.exp: Build with -G0 for nios2. * ld-plugin/lto.exp: Skip shared library tests on targets that don't support them. Skip execution tests on non-native targets. binutils/ * readelf.c: Include elf/nios2.h. (dump_relocations): Add case for EM_ALTERA_NIOS2. (get_nios2_dynamic_type): New. (get_dynamic_type): Add case for EM_ALTERA_NIOS2. (is_32bit_abs_reloc): Fix EM_ALTERA_NIOS2 case. (is_16bit_abs_reloc): Likewise. (is_none_reloc): Add EM_ALTERA_NIOS2 and EM_NIOS32 cases. * NEWS: Note Altera Nios II support. * MAINTAINERS: Add Nios II maintainers.