diff options
Diffstat (limited to 'gas/config/tc-m68k.c')
-rw-r--r-- | gas/config/tc-m68k.c | 275 |
1 files changed, 229 insertions, 46 deletions
diff --git a/gas/config/tc-m68k.c b/gas/config/tc-m68k.c index 5539ed1..5d53fa8 100644 --- a/gas/config/tc-m68k.c +++ b/gas/config/tc-m68k.c @@ -1,7 +1,6 @@ /* tc-m68k.c -- Assemble for the m68k family Copyright 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003 - Free Software Foundation, Inc. + 2000, 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -168,10 +167,21 @@ static const enum m68k_register m68060_control_regs[] = { 0 }; static const enum m68k_register mcf_control_regs[] = { - CACR, TC, ITT0, ITT1, DTT0, DTT1, VBR, ROMBAR, + CACR, TC, ACR0, ACR1, ACR2, ACR3, VBR, ROMBAR, RAMBAR0, RAMBAR1, MBAR, 0 }; +static const enum m68k_register mcf528x_control_regs[] = { + CACR, ACR0, ACR1, VBR, FLASHBAR, RAMBAR, + 0 +}; +static const enum m68k_register mcfv4e_control_regs[] = { + CACR, TC, ITT0, ITT1, DTT0, DTT1, BUSCR, VBR, PC, ROMBAR, + ROMBAR1, RAMBAR0, RAMBAR1, MPCR, EDRAMBAR, SECMBAR, MBAR, MBAR0, MBAR1, + PCR1U0, PCR1L0, PCR1U1, PCR1L1, PCR2U0, PCR2L0, PCR2U1, PCR2L1, + PCR3U0, PCR3L0, PCR3U1, PCR3L1, + 0 +}; #define cpu32_control_regs m68010_control_regs static const enum m68k_register *control_regs; @@ -225,13 +235,14 @@ struct m68k_it reloc[5]; /* Five is enough??? */ }; -#define cpu_of_arch(x) ((x) & (m68000up|mcf)) +#define cpu_of_arch(x) ((x) & (m68000up | mcf)) #define float_of_arch(x) ((x) & mfloat) #define mmu_of_arch(x) ((x) & mmmu) -#define arch_coldfire_p(x) (((x) & mcf) != 0) +#define arch_coldfire_p(x) ((x) & mcf) +#define arch_coldfire_v4e_p(x) ((x) & mcfv4e) /* Macros for determining if cpu supports a specific addressing mode. */ -#define HAVE_LONG_BRANCH(x) ((x) & (m68020|m68030|m68040|m68060|cpu32|mcf5407)) +#define HAVE_LONG_BRANCH(x) ((x) & (m68020|m68030|m68040|m68060|cpu32|mcf5407|mcfv4e)) static struct m68k_it the_ins; /* The instruction being assembled. */ @@ -360,19 +371,21 @@ struct m68k_cpu static const struct m68k_cpu archs[] = { - { m68000, "68000", 0 }, - { m68010, "68010", 0 }, - { m68020, "68020", 0 }, - { m68030, "68030", 0 }, - { m68040, "68040", 0 }, - { m68060, "68060", 0 }, - { cpu32, "cpu32", 0 }, - { m68881, "68881", 0 }, - { m68851, "68851", 0 }, - { mcf5200, "5200", 0 }, - { mcf5206e, "5206e", 0 }, - { mcf5307, "5307", 0}, - { mcf5407, "5407", 0}, + { m68000, "68000", 0 }, + { m68010, "68010", 0 }, + { m68020, "68020", 0 }, + { m68030, "68030", 0 }, + { m68040, "68040", 0 }, + { m68060, "68060", 0 }, + { cpu32, "cpu32", 0 }, + { m68881, "68881", 0 }, + { m68851, "68851", 0 }, + { mcf5200, "5200", 0 }, + { mcf5206e,"5206e", 0 }, + { mcf528x, "528x", 0 }, + { mcf5307, "5307", 0 }, + { mcf5407, "5407", 0 }, + { mcfv4e, "cfv4e", 0 }, /* Aliases (effectively, so far as gas is concerned) for the above cpus. */ { m68020, "68k", 1 }, @@ -403,6 +416,7 @@ static const struct m68k_cpu archs[] = { mcf5200, "5202", 1 }, { mcf5200, "5204", 1 }, { mcf5200, "5206", 1 }, + { mcf5407, "cfv4", 1 }, }; static const int n_archs = sizeof (archs) / sizeof (archs[0]); @@ -1498,6 +1512,24 @@ m68k_ip (instring) losing++; break; + case 'b': + switch (opP->mode) + { + case IMMED: + case ABSL: + case AREG: + case FPREG: + case CONTROL: + case POST: + case PRE: + case REGLST: + losing++; + break; + default: + break; + } + break; + case 'C': if (opP->mode != CONTROL || opP->reg != CCR) losing++; @@ -1702,6 +1734,16 @@ m68k_ip (instring) losing++; break; + case 'x': + if (opP->mode != IMMED) + losing++; + else if (opP->disp.exp.X_op != O_constant + || opP->disp.exp.X_add_number < -1 + || opP->disp.exp.X_add_number > 7 + || opP->disp.exp.X_add_number == 0) + losing++; + break; + /* JF these are out of order. We could put them in order if we were willing to put up with bunches of #ifdef m68851s in the code. @@ -1763,6 +1805,25 @@ m68k_ip (instring) losing++; break; + case 'w': + switch (opP->mode) + { + case IMMED: + case ABSL: + case AREG: + case DREG: + case FPREG: + case CONTROL: + case POST: + case PRE: + case REGLST: + losing++; + break; + default: + break; + } + break; + case 'X': if (opP->mode != CONTROL || (!(opP->reg >= BAD && opP->reg <= BAD + 7) @@ -1807,6 +1868,18 @@ m68k_ip (instring) opP->mode = AREG; break; + case 'y': + if (!(opP->mode == AINDR + || (opP->mode == DISP && !(opP->reg == PC || + opP->reg == ZPC)))) + losing++; + break; + + case 'z': + if (!(opP->mode == AINDR || opP->mode == DISP)) + losing++; + break; + default: abort (); } @@ -1833,6 +1906,9 @@ m68k_ip (instring) cp = buf + strlen (buf); switch (ok_arch) { + case cfloat: + strcpy (cp, _("ColdFire fpu (cfv4e)")); + break; case mfloat: strcpy (cp, _("fpu (68040, 68060 or 68881/68882)")); break; @@ -1908,12 +1984,16 @@ m68k_ip (instring) case '/': case '<': case '>': + case 'b': case 'm': case 'n': case 'o': case 'p': case 'q': case 'v': + case 'w': + case 'y': + case 'z': #ifndef NO_68851 case '|': #endif @@ -1922,7 +2002,7 @@ m68k_ip (instring) case IMMED: tmpreg = 0x3c; /* 7.4 */ if (strchr ("bwl", s[1])) - nextword = get_num (&opP->disp, 80); + nextword = get_num (&opP->disp, 90); else nextword = get_num (&opP->disp, 0); if (isvar (&opP->disp)) @@ -2034,7 +2114,7 @@ m68k_ip (instring) break; case DISP: - nextword = get_num (&opP->disp, 80); + nextword = get_num (&opP->disp, 90); if (opP->reg == PC && ! isvar (&opP->disp) @@ -2130,9 +2210,9 @@ m68k_ip (instring) case PRE: case BASE: nextword = 0; - baseo = get_num (&opP->disp, 80); + baseo = get_num (&opP->disp, 90); if (opP->mode == POST || opP->mode == PRE) - outro = get_num (&opP->odisp, 80); + outro = get_num (&opP->odisp, 90); /* Figure out the `addressing mode'. Also turn on the BASE_DISABLE bit, if needed. */ if (opP->reg == PC || opP->reg == ZPC) @@ -2175,7 +2255,8 @@ m68k_ip (instring) if ((opP->index.scale != 1 && cpu_of_arch (current_architecture) < m68020) || (opP->index.scale == 8 - && arch_coldfire_p (current_architecture))) + && (arch_coldfire_p (current_architecture) + && !arch_coldfire_v4e_p(current_architecture)))) { opP->error = _("scale factor invalid on this architecture; needs cpu32 or 68020 or higher"); @@ -2380,7 +2461,7 @@ m68k_ip (instring) break; case ABSL: - nextword = get_num (&opP->disp, 80); + nextword = get_num (&opP->disp, 90); switch (opP->disp.size) { default: @@ -2456,7 +2537,7 @@ m68k_ip (instring) break; case '3': default: - tmpreg = 80; + tmpreg = 90; break; } tmpreg = get_num (&opP->disp, tmpreg); @@ -2523,7 +2604,7 @@ m68k_ip (instring) break; case 'B': - tmpreg = get_num (&opP->disp, 80); + tmpreg = get_num (&opP->disp, 90); switch (s[1]) { case 'B': @@ -2643,7 +2724,7 @@ m68k_ip (instring) case 'd': /* JF this is a kludge. */ install_operand ('s', opP->reg - ADDR); - tmpreg = get_num (&opP->disp, 80); + tmpreg = get_num (&opP->disp, 90); if (!issword (tmpreg)) { as_warn (_("Expression out of range, using 0")); @@ -2687,15 +2768,19 @@ m68k_ip (instring) case TC: tmpreg = 0x003; break; + case ACR0: case ITT0: tmpreg = 0x004; break; + case ACR1: case ITT1: tmpreg = 0x005; break; + case ACR2: case DTT0: tmpreg = 0x006; break; + case ACR3: case DTT1: tmpreg = 0x007; break; @@ -2733,15 +2818,67 @@ m68k_ip (instring) case ROMBAR: tmpreg = 0xC00; break; + case ROMBAR1: + tmpreg = 0xC01; + break; + case FLASHBAR: case RAMBAR0: tmpreg = 0xC04; break; + case RAMBAR: case RAMBAR1: tmpreg = 0xC05; break; + case MPCR: + tmpreg = 0xC0C; + break; + case EDRAMBAR: + tmpreg = 0xC0D; + break; + case MBAR0: + case SECMBAR: + tmpreg = 0xC0E; + break; + case MBAR1: case MBAR: tmpreg = 0xC0F; break; + case PCR1U0: + tmpreg = 0xD02; + break; + case PCR1L0: + tmpreg = 0xD03; + break; + case PCR2U0: + tmpreg = 0xD04; + break; + case PCR2L0: + tmpreg = 0xD05; + break; + case PCR3U0: + tmpreg = 0xD06; + break; + case PCR3L0: + tmpreg = 0xD07; + break; + case PCR1L1: + tmpreg = 0xD0A; + break; + case PCR1U1: + tmpreg = 0xD0B; + break; + case PCR2L1: + tmpreg = 0xD0C; + break; + case PCR2U1: + tmpreg = 0xD0D; + break; + case PCR3L1: + tmpreg = 0xD0E; + break; + case PCR3U1: + tmpreg = 0xD0F; + break; default: abort (); } @@ -2990,7 +3127,7 @@ m68k_ip (instring) case '_': /* used only for move16 absolute 32-bit address. */ if (isvar (&opP->disp)) add_fix ('l', &opP->disp, 0, 0); - tmpreg = get_num (&opP->disp, 80); + tmpreg = get_num (&opP->disp, 90); addword (tmpreg >> 16); addword (tmpreg & 0xFFFF); break; @@ -2999,6 +3136,12 @@ m68k_ip (instring) opP->reg -= (DATA0L); opP->reg &= 0x0F; /* remove upper/lower bit. */ break; + case 'x': + tmpreg = get_num (&opP->disp, 80); + if (tmpreg == -1) + tmpreg = 0; + install_operand (s[1], tmpreg); + break; default: abort (); } @@ -3394,10 +3537,10 @@ static const struct init_entry init_table[] = /* mcf5200 versions of same. The ColdFire programmer's reference manual indicated that the order is 2,3,0,1, but Ken Rose <rose@netcom.com> says that 0,1,2,3 is the correct order. */ - { "acr0", ITT0 }, /* Access Control Unit 0. */ - { "acr1", ITT1 }, /* Access Control Unit 1. */ - { "acr2", DTT0 }, /* Access Control Unit 2. */ - { "acr3", DTT1 }, /* Access Control Unit 3. */ + { "acr0", ACR0 }, /* Access Control Unit 0. */ + { "acr1", ACR1 }, /* Access Control Unit 1. */ + { "acr2", ACR2 }, /* Access Control Unit 2. */ + { "acr3", ACR3 }, /* Access Control Unit 3. */ { "tc", TC }, /* MMU Translation Control Register. */ { "tcr", TC }, @@ -3413,6 +3556,31 @@ static const struct init_entry init_table[] = { "rambar0", RAMBAR0 }, /* ROM Base Address Register. */ { "rambar1", RAMBAR1 }, /* ROM Base Address Register. */ { "mbar", MBAR }, /* Module Base Address Register. */ + + { "mbar0", MBAR0 }, /* mcfv4e registers. */ + { "mbar1", MBAR1 }, /* mcfv4e registers. */ + { "rombar0", ROMBAR }, /* mcfv4e registers. */ + { "rombar1", ROMBAR1 }, /* mcfv4e registers. */ + { "mpcr", MPCR }, /* mcfv4e registers. */ + { "edrambar", EDRAMBAR }, /* mcfv4e registers. */ + { "secmbar", SECMBAR }, /* mcfv4e registers. */ + { "asid", TC }, /* mcfv4e registers. */ + { "mmubar", BUSCR }, /* mcfv4e registers. */ + { "pcr1u0", PCR1U0 }, /* mcfv4e registers. */ + { "pcr1l0", PCR1L0 }, /* mcfv4e registers. */ + { "pcr2u0", PCR2U0 }, /* mcfv4e registers. */ + { "pcr2l0", PCR2L0 }, /* mcfv4e registers. */ + { "pcr3u0", PCR3U0 }, /* mcfv4e registers. */ + { "pcr3l0", PCR3L0 }, /* mcfv4e registers. */ + { "pcr1u1", PCR1U1 }, /* mcfv4e registers. */ + { "pcr1l1", PCR1L1 }, /* mcfv4e registers. */ + { "pcr2u1", PCR2U1 }, /* mcfv4e registers. */ + { "pcr2l1", PCR2L1 }, /* mcfv4e registers. */ + { "pcr3u1", PCR3U1 }, /* mcfv4e registers. */ + { "pcr3l1", PCR3L1 }, /* mcfv4e registers. */ + + { "flashbar", FLASHBAR }, /* mcf528x registers. */ + { "rambar", RAMBAR }, /* mcf528x registers. */ /* End of control registers. */ { "ac", AC }, @@ -3970,6 +4138,12 @@ select_control_regs () case mcf5407: control_regs = mcf_control_regs; break; + case mcf528x: + control_regs = mcf528x_control_regs; + break; + case mcfv4e: + control_regs = mcfv4e_control_regs; + break; default: abort (); } @@ -4808,17 +4982,16 @@ md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol) aren't OK are an error (what a shock, no?) 0: Everything is OK - 10: Absolute 1:8 only - 20: Absolute 0:7 only - 30: absolute 0:15 only - 40: Absolute 0:31 only - 50: absolute 0:127 only + 10: Absolute 1:8 only + 20: Absolute 0:7 only + 30: absolute 0:15 only + 40: Absolute 0:31 only + 50: absolute 0:127 only 55: absolute -64:63 only - 60: absolute -128:127 only - 70: absolute 0:4095 only - 80: No bignums - - */ + 60: absolute -128:127 only + 70: absolute 0:4095 only + 80: absolute -1, 1:7 only + 90: No bignums. */ static int get_num (exp, ok) @@ -4881,6 +5054,15 @@ get_num (exp, ok) offs (exp) = 0; } break; + case 80: + if (offs (exp) < -1 + || offs (exp) > 7 + || offs (exp) == 0) + { + as_warn (_("expression out of range: defaulting to 1")); + offs (exp) = 1; + } + break; default: break; } @@ -4888,7 +5070,7 @@ get_num (exp, ok) else if (exp->exp.X_op == O_big) { if (offs (exp) <= 0 /* flonum. */ - && (ok == 80 /* no bignums. */ + && (ok == 90 /* no bignums */ || (ok > 10 /* Small-int ranges including 0 ok. */ /* If we have a flonum zero, a zero integer should do as well (e.g., in moveq). */ @@ -4916,7 +5098,7 @@ get_num (exp, ok) } else { - if (ok >= 10 && ok <= 70) + if (ok >= 10 && ok <= 80) { op (exp) = O_constant; adds (exp) = 0; @@ -6951,7 +7133,8 @@ md_show_usage (stream) -l use 1 word for refs to undefined symbols [default 2]\n\ -m68000 | -m68008 | -m68010 | -m68020 | -m68030 | -m68040 | -m68060 |\n\ -m68302 | -m68331 | -m68332 | -m68333 | -m68340 | -m68360 | -mcpu32 |\n\ --m5200 | -m5202 | -m5204 | -m5206 | -m5206e | -m5307 | -m5407\n\ +-m5200 | -m5202 | -m5204 | -m5206 | -m5206e | -m528x | -m5307 |\n\ +-m5407 | -mcfv4 | -mcfv4e\n\ specify variant of 680X0 architecture [default %s]\n\ -m68881 | -m68882 | -mno-68881 | -mno-68882\n\ target has/lacks floating-point coprocessor\n\ |