From: Jim Kingdon Date: Fri, 11 Jun 1993 16:23:55 +0000 (+0000) Subject: * m68k-dis.c (print_insn_{m68k,arg}): Add MMU codes. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e6fb7139eeb742694bc4cc5010a40d64b225c344;p=binutils-gdb.git * m68k-dis.c (print_insn_{m68k,arg}): Add MMU codes. --- diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 1eb414bc3e8..8deeca57f22 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,12 @@ +Fri Jun 11 07:53:48 1993 Jim Kingdon (kingdon@cygnus.com) + + * m68k-dis.c (print_insn_{m68k,arg}): Add MMU codes. + +Tue Jun 8 12:25:01 1993 Steve Chamberlain (sac@phydeaux.cygnus.com) + + * h8300-dis.c: New file, removed from bfd/cpu-h8300.c, with + H8/300-H opcodes. + Mon Jun 7 12:58:49 1993 Per Bothner (bothner@rtl.cygnus.com) * Makefile.in (CSEARCH): Add -I../bfd for sysdep.h and bfd.h. diff --git a/opcodes/m68k-dis.c b/opcodes/m68k-dis.c index 265c113c3cc..ffea1afd00a 100644 --- a/opcodes/m68k-dis.c +++ b/opcodes/m68k-dis.c @@ -248,9 +248,14 @@ print_insn_m68k (memaddr, info) and at descriptor for first argument. */ p = buffer + 2; - /* Why do this this way? -MelloN */ + /* Figure out how long the fixed-size portion of the instruction is. + The only place this is stored in the opcode table is + in the arguments--look for arguments which specify fields in the 2nd + or 3rd words of the instruction. */ for (d = m68k_opcodes[best].args; *d; d += 2) { + /* I don't think it is necessary to be checking d[0] here; I suspect + all this could be moved to the case statement below. */ if (d[0] == '#') { if (d[1] == 'l' && p - buffer < 6) @@ -258,13 +263,33 @@ print_insn_m68k (memaddr, info) else if (p - buffer < 4 && d[1] != 'C' && d[1] != '8' ) p = buffer + 4; } - if (d[1] >= '1' && d[1] <= '3' && p - buffer < 4) - p = buffer + 4; - if (d[1] >= '4' && d[1] <= '6' && p - buffer < 6) - p = buffer + 6; if ((d[0] == 'L' || d[0] == 'l') && d[1] == 'w' && p - buffer < 4) p = buffer + 4; + switch (d[1]) + { + case '1': + case '2': + case '3': + case '7': + case '8': + case '9': + if (p - buffer < 4) + p = buffer + 4; + break; + case '4': + case '5': + case '6': + if (p - buffer < 6) + p = buffer + 6; + break; + default: + break; + } } + /* pflusha is an exception; it takes no arguments but is two words long. */ + if (buffer[0] == 0xf0 && buffer[1] == 0 && buffer[2] == 0x24 && + buffer[3] == 0) + p = buffer + 4; FETCH_DATA (info, p); @@ -322,7 +347,7 @@ print_insn_arg (d, buffer, p, addr, info) { val = NEXTLONG (p); (*info->fprintf_func) (info->stream, "@#"); - print_address (val, info->stream); + (*info->print_address_func) (val, info); break; } @@ -345,7 +370,11 @@ print_insn_arg (d, buffer, p, addr, info) {"tc", 0x003}, {"itt0",0x004}, {"itt1", 0x005}, {"dtt0",0x006}, {"dtt1",0x007}, {"usp", 0x800}, {"vbr", 0x801}, {"caar", 0x802}, - {"msp", 0x803}, {"isp", 0x804}, {"mmusr",0x805}, + {"msp", 0x803}, {"isp", 0x804}, + + /* Should we be calling this psr like we do in case 'Y'? */ + {"mmusr",0x805}, + {"urp", 0x806}, {"srp", 0x807}}; val = fetch_arg (buffer, place, 12, info); @@ -494,7 +523,7 @@ print_insn_arg (d, buffer, p, addr, info) else m68k_opcode_error (info, *d, place); - print_address (addr + val, info->stream); + (*info->print_address_func) (addr + val, info); break; case 'd': @@ -530,6 +559,7 @@ print_insn_arg (d, buffer, p, addr, info) case '/': case '&': case '`': + case '|': if (place == 'd') { @@ -579,18 +609,18 @@ print_insn_arg (d, buffer, p, addr, info) case 0: val = NEXTWORD (p); (*info->fprintf_func) (info->stream, "@#"); - print_address (val, info->stream); + (*info->print_address_func) (val, info); break; case 1: val = NEXTLONG (p); (*info->fprintf_func) (info->stream, "@#"); - print_address (val, info->stream); + (*info->print_address_func) (val, info); break; case 2: val = NEXTWORD (p); - print_address (addr + val, info->stream); + (*info->print_address_func) (addr + val, info); break; case 3: @@ -731,6 +761,70 @@ print_insn_arg (d, buffer, p, addr, info) goto de_fault; break; + case 'X': + place = '8'; + case 'Y': + case 'Z': + case 'W': + case '3': + case 'P': + { + int val = fetch_arg (buffer, place, 5, info); + char *name = 0; + switch (val) + { + case 2: name = "tt0"; break; + case 3: name = "tt1"; break; + case 0x10: name = "tc"; break; + case 0x11: name = "drp"; break; + case 0x12: name = "srp"; break; + case 0x13: name = "crp"; break; + case 0x14: name = "cal"; break; + case 0x15: name = "val"; break; + case 0x16: name = "scc"; break; + case 0x17: name = "ac"; break; + case 0x18: name = "psr"; break; + case 0x19: name = "pcsr"; break; + case 0x1c: + case 0x1d: + { + int break_reg = ((buffer[3] >> 2) & 7); + (*info->fprintf_func) + (info->stream, val == 0x1c ? "bad%d" : "bac%d", + break_reg); + } + break; + default: + (*info->fprintf_func) (info->stream, "", val); + } + if (name) + (*info->fprintf_func) (info->stream, name); + } + break; + + case 'f': + { + int fc = fetch_arg (buffer, place, 5, info); + if (fc == 1) + (*info->fprintf_func) (info->stream, "dfc"); + else if (fc == 0) + (*info->fprintf_func) (info->stream, "sfc"); + else + (*info->fprintf_func) (info->stream, "", fc); + } + break; + + case 'V': + (*info->fprintf_func) (info->stream, "val"); + break; + + case 't': + { + int level = fetch_arg (buffer, place, 3, info); + (*info->fprintf_func) (info->stream, "%d", level); + } + break; + default: de_fault: m68k_opcode_error (info, *d, ' '); }