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Diffstat (limited to 'cpu/xc16x.opc')
| -rw-r--r-- | cpu/xc16x.opc | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/cpu/xc16x.opc b/cpu/xc16x.opc new file mode 100644 index 0000000..8d0d295 --- /dev/null +++ b/cpu/xc16x.opc @@ -0,0 +1,225 @@ +/* XC16X opcode support. -*- C -*- + + Copyright 2006 Free Software Foundation, Inc. + + Contributed by KPIT Cummins Infosystems Ltd.; developed under contract + from Infineon Systems, GMBH , Germany. + + This file is part of the GNU Binutils. + + This program 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 2 of the License, or + (at your option) any later version. + + This program 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, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ + + +/* This file is an addendum to xc16x.cpu. Heavy use of C code isn't + appropriate in .cpu files, so it resides here. This especially applies + to assembly/disassembly where parsing/printing can be quite involved. + Such things aren't really part of the specification of the cpu, per se, + so .cpu files provide the general framework and .opc files handle the + nitty-gritty details as necessary. + + Each section is delimited with start and end markers. + + <arch>-opc.h additions use: "-- opc.h" + <arch>-opc.c additions use: "-- opc.c" + <arch>-asm.c additions use: "-- asm.c" + <arch>-dis.c additions use: "-- dis.c" + <arch>-ibd.h additions use: "-- ibd.h" */ + +/* -- opc.h */ + +#define CGEN_DIS_HASH_SIZE 8 +#define CGEN_DIS_HASH(buf,value) (((* (unsigned char*) (buf)) >> 3) % CGEN_DIS_HASH_SIZE) + +/* -- */ + +/* -- opc.c */ + +/* -- */ + +/* -- asm.c */ +/* Handle '#' prefixes (i.e. skip over them). */ + +static const char * +parse_hash (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + const char **strp, + int opindex ATTRIBUTE_UNUSED, + long *valuep ATTRIBUTE_UNUSED) +{ + if (**strp == '#') + ++*strp; + return NULL; +} + +/* Handle '.' prefixes (i.e. skip over them). */ + +static const char * +parse_dot (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + const char **strp, + int opindex ATTRIBUTE_UNUSED, + long *valuep ATTRIBUTE_UNUSED) +{ + if (**strp == '.') + ++*strp; + return NULL; +} + +/* Handle '.' prefixes (i.e. skip over them). */ + +static const char * +parse_pof (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + const char **strp, + int opindex ATTRIBUTE_UNUSED, + long *valuep ATTRIBUTE_UNUSED) +{ + if (!strncasecmp (*strp, "pof:", 4)) + *strp += 4; + return NULL; +} + +/* Handle '.' prefixes (i.e. skip over them). */ + +static const char * +parse_pag (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + const char **strp, + int opindex ATTRIBUTE_UNUSED, + long *valuep ATTRIBUTE_UNUSED) +{ + if (!strncasecmp (*strp, "pag:", 4)) + *strp += 4; + return NULL; +} + +/* Handle 'sof' prefixes (i.e. skip over them). */ +static const char * +parse_sof (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + const char **strp, + int opindex ATTRIBUTE_UNUSED, + long *valuep ATTRIBUTE_UNUSED) +{ + if (!strncasecmp (*strp, "sof:", 4)) + *strp += 4; + return NULL; +} + +/* Handle 'seg' prefixes (i.e. skip over them). */ +static const char * +parse_seg (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + const char **strp, + int opindex ATTRIBUTE_UNUSED, + long *valuep ATTRIBUTE_UNUSED) +{ + if (!strncasecmp (*strp, "seg:", 4)) + *strp += 4; + return NULL; +} +/* -- */ + +/* -- dis.c */ + +#define CGEN_PRINT_NORMAL(cd, info, value, attrs, pc, length) \ + do \ + { \ + if (CGEN_BOOL_ATTR ((attrs), CGEN_OPERAND_DOT_PREFIX)) \ + info->fprintf_func (info->stream, "."); \ + if (CGEN_BOOL_ATTR ((attrs), CGEN_OPERAND_POF_PREFIX)) \ + info->fprintf_func (info->stream, "#pof:"); \ + if (CGEN_BOOL_ATTR ((attrs), CGEN_OPERAND_PAG_PREFIX)) \ + info->fprintf_func (info->stream, "#pag:"); \ + } \ + while (0) + +/* Handle '.' prefixes as operands. */ + +static void +print_pof (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info ATTRIBUTE_UNUSED, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ +} + +/* Handle '.' prefixes as operands. */ + +static void +print_pag (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info ATTRIBUTE_UNUSED, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ +} + +/* Handle '.' prefixes as operands. */ + +static void +print_sof (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = (disassemble_info *) dis_info; + + info->fprintf_func (info->stream, "sof:"); +} + +/* Handle '.' prefixes as operands. */ + +static void +print_seg (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = (disassemble_info *) dis_info; + + info->fprintf_func (info->stream, "seg:"); +} + +/* Handle '#' prefixes as operands. */ + +static void +print_hash (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = (disassemble_info *) dis_info; + + info->fprintf_func (info->stream, "#"); +} + +/* Handle '.' prefixes as operands. */ + +static void +print_dot (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info ATTRIBUTE_UNUSED, + long value ATTRIBUTE_UNUSED, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ +} + +/* -- */ |