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-rw-r--r--opcodes/avr-dis.c656
1 files changed, 0 insertions, 656 deletions
diff --git a/opcodes/avr-dis.c b/opcodes/avr-dis.c
deleted file mode 100644
index 6fcd58cc6f8..00000000000
--- a/opcodes/avr-dis.c
+++ /dev/null
@@ -1,656 +0,0 @@
-/* Disassemble AVR instructions.
- Copyright (C) 1999, 2000 Free Software Foundation, Inc.
-
- Contributed by Denis Chertykov <denisc@overta.ru>
-
-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, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-
-#include "sysdep.h"
-#include "dis-asm.h"
-#include "opintl.h"
-
-typedef unsigned char u8;
-typedef unsigned short u16;
-typedef unsigned long u32;
-
-#define IFMASK(a,b) ((opcode & (a)) == (b))
-
-static char* SREG_flags = "CZNVSHTI";
-static char* sect94[] = {"COM","NEG","SWAP","INC",0,"ASR","LSR","ROR",
- 0,0,"DEC",0,0,0,0,0};
-static char* sect98[] = {"CBI","SBIC","SBI","SBIS"};
-static char* branchs[] = {
- "BRCS","BREQ","BRMI","BRVS",
- "BRLT","BRHS","BRTS","BRIE",
- "BRCC","BRNE","BRPL","BRVC",
- "BRGE","BRHC","BRTC","BRID"
-};
-
-static char* last4[] = {"BLD","BST","SBRC","SBRS"};
-
-
-static void dispLDD PARAMS ((u16, char *));
-
-static void
-dispLDD (opcode, dest)
- u16 opcode;
- char *dest;
-{
- opcode = (((opcode & 0x2000) >> 8) | ((opcode & 0x0c00) >> 7)
- | (opcode & 7));
- sprintf(dest, "%d", opcode);
-}
-
-
-static void regPP PARAMS ((u16, char *));
-
-static void
-regPP (opcode, dest)
- u16 opcode;
- char *dest;
-{
- opcode = ((opcode & 0x0600) >> 5) | (opcode & 0xf);
- sprintf(dest, "0x%02X", opcode);
-}
-
-
-static void reg50 PARAMS ((u16, char *));
-
-static void
-reg50 (opcode, dest)
- u16 opcode;
- char *dest;
-{
- opcode = (opcode & 0x01f0) >> 4;
- sprintf(dest, "R%d", opcode);
-}
-
-
-static void reg104 PARAMS ((u16, char *));
-
-static void
-reg104 (opcode, dest)
- u16 opcode;
- char *dest;
-{
- opcode = (opcode & 0xf) | ((opcode & 0x0200) >> 5);
- sprintf(dest, "R%d", opcode);
-}
-
-
-static void reg40 PARAMS ((u16, char *));
-
-static void
-reg40 (opcode, dest)
- u16 opcode;
- char *dest;
-{
- opcode = (opcode & 0xf0) >> 4;
- sprintf(dest, "R%d", opcode + 16);
-}
-
-
-static void reg20w PARAMS ((u16, char *));
-
-static void
-reg20w (opcode, dest)
- u16 opcode;
- char *dest;
-{
- opcode = (opcode & 0x30) >> 4;
- sprintf(dest, "R%d", 24 + opcode * 2);
-}
-
-
-static void reg_fmul_d PARAMS ((u16, char *));
-
-static void
-reg_fmul_d (opcode, dest)
- u16 opcode;
- char *dest;
-{
- sprintf(dest, "R%d", 16 + ((opcode >> 4) & 7));
-}
-
-
-static void reg_fmul_r PARAMS ((u16, char *));
-
-static void
-reg_fmul_r (opcode, dest)
- u16 opcode;
- char *dest;
-{
- sprintf(dest, "R%d", 16 + (opcode & 7));
-}
-
-
-static void reg_muls_d PARAMS ((u16, char *));
-
-static void
-reg_muls_d (opcode, dest)
- u16 opcode;
- char *dest;
-{
- sprintf(dest, "R%d", 16 + ((opcode >> 4) & 0xf));
-}
-
-
-static void reg_muls_r PARAMS ((u16, char *));
-
-static void
-reg_muls_r (opcode, dest)
- u16 opcode;
- char *dest;
-{
- sprintf(dest, "R%d", 16 + (opcode & 0xf));
-}
-
-
-static void reg_movw_d PARAMS ((u16, char *));
-
-static void
-reg_movw_d (opcode, dest)
- u16 opcode;
- char *dest;
-{
- sprintf(dest, "R%d", 2 * ((opcode >> 4) & 0xf));
-}
-
-
-static void reg_movw_r PARAMS ((u16, char *));
-
-static void
-reg_movw_r (opcode, dest)
- u16 opcode;
- char *dest;
-{
- sprintf(dest, "R%d", 2 * (opcode & 0xf));
-}
-
-
-static void lit404 PARAMS ((u16, char *));
-
-static void
-lit404 (opcode, dest)
- u16 opcode;
- char *dest;
-{
- opcode = ((opcode & 0xf00) >> 4) | (opcode & 0xf);
- sprintf(dest, "0x%02X", opcode);
-}
-
-
-static void lit204 PARAMS ((u16, char *));
-
-static void
-lit204 (opcode, dest)
- u16 opcode;
- char *dest;
-{
- opcode = ((opcode & 0xc0) >> 2) | (opcode & 0xf);
- sprintf(dest, "0x%02X", opcode);
-}
-
-
-static void add0fff PARAMS ((u16, char *, int));
-
-static void
-add0fff (op, dest, pc)
- u16 op;
- char *dest;
- int pc;
-{
- int rel_addr = (((op & 0xfff) ^ 0x800) - 0x800) * 2;
- sprintf(dest, ".%+-8d ; 0x%06X", rel_addr, pc + 2 + rel_addr);
-}
-
-
-static void add03f8 PARAMS ((u16, char *, int));
-
-static void
-add03f8 (op, dest, pc)
- u16 op;
- char *dest;
- int pc;
-{
- int rel_addr = ((((op >> 3) & 0x7f) ^ 0x40) - 0x40) * 2;
- sprintf(dest, ".%+-8d ; 0x%06X", rel_addr, pc + 2 + rel_addr);
-}
-
-
-static u16 avrdis_opcode PARAMS ((bfd_vma, disassemble_info *));
-
-static u16
-avrdis_opcode (addr, info)
- bfd_vma addr;
- disassemble_info *info;
-{
- bfd_byte buffer[2];
- int status;
- status = info->read_memory_func(addr, buffer, 2, info);
- if (status != 0)
- {
- info->memory_error_func(status, addr, info);
- return -1;
- }
- return bfd_getl16 (buffer);
-}
-
-
-int
-print_insn_avr(addr, info)
- bfd_vma addr;
- disassemble_info *info;
-{
- char rr[200];
- char rd[200];
- u16 opcode;
- void *stream = info->stream;
- fprintf_ftype prin = info->fprintf_func;
- int cmd_len = 2;
-
- opcode = avrdis_opcode (addr, info);
-
- if (IFMASK(0xd000, 0x8000))
- {
- char letter;
- reg50(opcode, rd);
- dispLDD(opcode, rr);
- if (opcode & 8)
- letter = 'Y';
- else
- letter = 'Z';
- if (opcode & 0x0200)
- (*prin) (stream, " STD %c+%s,%s", letter, rr, rd);
- else
- (*prin) (stream, " LDD %s,%c+%s", rd, letter, rr);
- }
- else
- {
- switch (opcode & 0xf000)
- {
- case 0x0000:
- {
- reg50(opcode, rd);
- reg104(opcode, rr);
- switch (opcode & 0x0c00)
- {
- case 0x0000:
- switch (opcode & 0x0300)
- {
- case 0x0000:
- (*prin) (stream, " NOP");
- break;
- case 0x0100:
- reg_movw_d(opcode, rd);
- reg_movw_r(opcode, rr);
- (*prin) (stream, " MOVW %s,%s", rd, rr);
- break;
- case 0x0200:
- reg_muls_d(opcode, rd);
- reg_muls_r(opcode, rr);
- (*prin) (stream, " MULS %s,%s", rd, rr);
- break;
- case 0x0300:
- reg_fmul_d(opcode, rd);
- reg_fmul_r(opcode, rr);
- if (IFMASK(0x88, 0))
- (*prin) (stream, " MULSU %s,%s", rd, rr);
- else if (IFMASK(0x88, 8))
- (*prin) (stream, " FMUL %s,%s", rd, rr);
- else if (IFMASK(0x88, 0x80))
- (*prin) (stream, " FMULS %s,%s", rd, rr);
- else
- (*prin) (stream, " FMULSU %s,%s", rd, rr);
- }
- break;
- case 0x0400:
- (*prin) (stream, " CPC %s,%s", rd, rr);
- break;
- case 0x0800:
- (*prin) (stream, " SBC %s,%s", rd, rr);
- break;
- case 0x0c00:
- (*prin) (stream, " ADD %s,%s", rd, rr);
- break;
- }
- }
- break;
- case 0x1000:
- {
- reg50(opcode, rd);
- reg104(opcode, rr);
- switch (opcode & 0x0c00)
- {
- case 0x0000:
- (*prin) (stream, " CPSE %s,%s", rd, rr);
- break;
- case 0x0400:
- (*prin) (stream, " CP %s,%s", rd, rr);
- break;
- case 0x0800:
- (*prin) (stream, " SUB %s,%s", rd, rr);
- break;
- case 0x0c00:
- (*prin) (stream, " ADC %s,%s", rd, rr);
- break;
- }
- }
- break;
- case 0x2000:
- {
- reg50(opcode, rd);
- reg104(opcode, rr);
- switch (opcode & 0x0c00)
- {
- case 0x0000:
- (*prin) (stream, " AND %s,%s", rd, rr);
- break;
- case 0x0400:
- (*prin) (stream, " EOR %s,%s", rd, rr);
- break;
- case 0x0800:
- (*prin) (stream, " OR %s,%s", rd, rr);
- break;
- case 0x0c00:
- (*prin) (stream, " MOV %s,%s", rd, rr);
- break;
- }
- }
- break;
- case 0x3000:
- {
- reg40(opcode, rd);
- lit404(opcode, rr);
- (*prin) (stream, " CPI %s,%s", rd, rr);
- }
- break;
- case 0x4000:
- {
- reg40(opcode, rd);
- lit404(opcode, rr);
- (*prin) (stream, " SBCI %s,%s", rd, rr);
- }
- break;
- case 0x5000:
- {
- reg40(opcode, rd);
- lit404(opcode, rr);
- (*prin) (stream, " SUBI %s,%s", rd, rr);
- }
- break;
- case 0x6000:
- {
- reg40(opcode, rd);
- lit404(opcode, rr);
- (*prin) (stream, " ORI %s,%s", rd, rr);
- }
- break;
- case 0x7000:
- {
- reg40(opcode, rd);
- lit404(opcode, rr);
- (*prin) (stream, " ANDI %s,%s", rd, rr);
- }
- break;
- case 0x9000:
- {
- switch (opcode & 0x0e00)
- {
- case 0x0000:
- {
- reg50(opcode, rd);
- switch (opcode & 0xf)
- {
- case 0x0:
- {
- (*prin) (stream, " LDS %s,0x%04X", rd,
- avrdis_opcode(addr + 2, info));
- cmd_len = 4;
- }
- break;
- case 0x1:
- (*prin) (stream, " LD %s,Z+", rd);
- break;
- case 0x2:
- (*prin) (stream, " LD %s,-Z", rd);
- break;
- case 0x4:
- (*prin) (stream, " LPM %s,Z", rd);
- break;
- case 0x5:
- (*prin) (stream, " LPM %s,Z+", rd);
- break;
- case 0x6:
- (*prin) (stream, " ELPM %s,Z", rd);
- break;
- case 0x7:
- (*prin) (stream, " ELPM %s,Z+", rd);
- break;
- case 0x9:
- (*prin) (stream, " LD %s,Y+", rd);
- break;
- case 0xa:
- (*prin) (stream, " LD %s,-Y", rd);
- break;
- case 0xc:
- (*prin) (stream, " LD %s,X", rd);
- break;
- case 0xd:
- (*prin) (stream, " LD %s,X+", rd);
- break;
- case 0xe:
- (*prin) (stream, " LD %s,-X", rd);
- break;
- case 0xf:
- (*prin) (stream, " POP %s", rd);
- break;
- default:
- (*prin) (stream, " ????");
- break;
- }
- }
- break;
- case 0x0200:
- {
- reg50(opcode, rd);
- switch (opcode & 0xf)
- {
- case 0x0:
- {
- (*prin) (stream, " STS 0x%04X,%s",
- avrdis_opcode(addr + 2, info), rd);
- cmd_len = 4;
- }
- break;
- case 0x1:
- (*prin) (stream, " ST Z+,%s", rd);
- break;
- case 0x2:
- (*prin) (stream, " ST -Z,%s", rd);
- break;
- case 0x9:
- (*prin) (stream, " ST Y+,%s", rd);
- break;
- case 0xa:
- (*prin) (stream, " ST -Y,%s", rd);
- break;
- case 0xc:
- (*prin) (stream, " ST X,%s", rd);
- break;
- case 0xd:
- (*prin) (stream, " ST X+,%s", rd);
- break;
- case 0xe:
- (*prin) (stream, " ST -X,%s", rd);
- break;
- case 0xf:
- (*prin) (stream, " PUSH %s", rd);
- break;
- default:
- (*prin) (stream, " ????");
- break;
- }
- }
- break;
- case 0x0400:
- {
- if (IFMASK(0x020c, 0x000c))
- {
- u32 k = ((opcode & 0x01f0) >> 3) | (opcode & 1);
- k = (k << 16) | avrdis_opcode(addr + 2, info);
- if (opcode & 0x0002)
- (*prin) (stream, " CALL 0x%06X", k*2);
- else
- (*prin) (stream, " JMP 0x%06X", k*2);
- cmd_len = 4;
- }
- else if (IFMASK(0x010f, 0x0008))
- {
- int sf = (opcode & 0x70) >> 4;
- if (opcode & 0x0080)
- (*prin) (stream, " CL%c", SREG_flags[sf]);
- else
- (*prin) (stream, " SE%c", SREG_flags[sf]);
- }
- else if (IFMASK(0x001f, 0x0009))
- {
- if (opcode & 0x0100)
- (*prin) (stream, " ICALL");
- else
- (*prin) (stream, " IJMP");
- }
- else if (IFMASK(0x001f, 0x0019))
- {
- if (opcode & 0x0100)
- (*prin) (stream, " EICALL");
- else
- (*prin) (stream, " EIJMP");
- }
- else if (IFMASK(0x010f, 0x0108))
- {
- if (IFMASK(0x0090, 0x0000))
- (*prin) (stream, " RET");
- else if (IFMASK(0x0090, 0x0010))
- (*prin) (stream, " RETI");
- else if (IFMASK(0x00e0, 0x0080))
- (*prin) (stream, " SLEEP");
- else if (IFMASK(0x00e0, 0x00a0))
- (*prin) (stream, " WDR");
- else if (IFMASK(0x00f0, 0x00c0))
- (*prin) (stream, " LPM");
- else if (IFMASK(0x00f0, 0x00d0))
- (*prin) (stream, " ELPM");
- else if (IFMASK(0x00f0, 0x00e0))
- (*prin) (stream, " SPM");
- else if (IFMASK(0x00f0, 0x00f0))
- (*prin) (stream, " ESPM");
- else
- (*prin) (stream, " ????");
- }
- else
- {
- const char* p;
- reg50(opcode, rd);
- p = sect94[opcode & 0xf];
- if (!p)
- p = "????";
- (*prin) (stream, " %-8s%s", p, rd);
- }
- }
- break;
- case 0x0600:
- {
- if (opcode & 0x0200)
- {
- lit204(opcode, rd);
- reg20w(opcode, rr);
- if (opcode & 0x0100)
- (*prin) (stream, " SBIW %s,%s", rr, rd);
- else
- (*prin) (stream, " ADIW %s,%s", rr, rd);
- }
- }
- break;
- case 0x0800:
- case 0x0a00:
- {
- (*prin) (stream, " %-8s0x%02X,%d",
- sect98[(opcode & 0x0300) >> 8],
- (opcode & 0xf8) >> 3,
- opcode & 7);
- }
- break;
- default:
- {
- reg50(opcode, rd);
- reg104(opcode, rr);
- (*prin) (stream, " MUL %s,%s", rd, rr);
- }
- }
- }
- break;
- case 0xb000:
- {
- reg50(opcode, rd);
- regPP(opcode, rr);
- if (opcode & 0x0800)
- (*prin) (stream, " OUT %s,%s", rr, rd);
- else
- (*prin) (stream, " IN %s,%s", rd, rr);
- }
- break;
- case 0xc000:
- {
- add0fff(opcode, rd, addr);
- (*prin) (stream, " RJMP %s", rd);
- }
- break;
- case 0xd000:
- {
- add0fff(opcode, rd, addr);
- (*prin) (stream, " RCALL %s", rd);
- }
- break;
- case 0xe000:
- {
- reg40(opcode, rd);
- lit404(opcode, rr);
- (*prin) (stream, " LDI %s,%s", rd, rr);
- }
- break;
- case 0xf000:
- {
- if (opcode & 0x0800)
- {
- reg50(opcode, rd);
- (*prin) (stream, " %-8s%s,%d",
- last4[(opcode & 0x0600) >> 9],
- rd, opcode & 7);
- }
- else
- {
- char* p;
- add03f8(opcode, rd, addr);
- p = branchs[((opcode & 0x0400) >> 7) | (opcode & 7)];
- (*prin) (stream, " %-8s%s", p, rd);
- }
- }
- break;
- }
- }
- return cmd_len;
-}
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