mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-06-21 10:34:21 +08:00
cpu32 and -mno-688?1 support from p3
This commit is contained in:
Ken Raeburn
@ -381,7 +381,7 @@ struct m68k_incant {
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unsigned long m_opcode;
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short m_opnum;
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short m_codenum;
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enum m68k_architecture m_arch;
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int m_arch;
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struct m68k_incant *m_next;
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};
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@ -426,7 +426,7 @@ static void s_proc();
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#endif /* not __STDC__ */
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static enum m68k_architecture current_architecture = 0;
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static int current_architecture = 0;
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/* BCC68000 is for patching in an extra jmp instruction for long offsets
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on the 68000. The 68000 doesn't support long branches with branchs */
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@ -1470,6 +1470,14 @@ void m68k_ip (instring)
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losing++;
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break;
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case '`':
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switch (opP->mode) {
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case MSCR: case IMMED: case DREG: case AREG:
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case AINC: case REGLST: case AINDR:
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losing++;
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}
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break;
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case '#':
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if(opP->mode!=IMMED)
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losing++;
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@ -1831,7 +1839,7 @@ void m68k_ip (instring)
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{
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int got_one = 0, idx;
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const static struct {
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enum m68k_architecture arch;
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int arch;
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const char *name;
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} archs[] = {
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m68000, "68000",
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@ -1839,6 +1847,7 @@ void m68k_ip (instring)
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m68020, "68020",
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m68030, "68030",
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m68040, "68040",
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cpu32, "cpu32",
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m68881, "68881",
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m68851, "68851",
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};
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@ -1894,6 +1903,7 @@ void m68k_ip (instring)
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case '$':
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case '?':
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case '/':
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case '`':
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#ifndef NO_68851
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case '|':
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#endif
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@ -3082,6 +3092,7 @@ init_regtable()
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insert_reg(init_table[i].name, init_table[i].number);
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}
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static int no_68851, no_68881;
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void
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md_assemble(str)
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@ -3101,7 +3112,7 @@ md_assemble(str)
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if (cpu_of_arch (current_architecture) == 0)
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{
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enum m68k_architecture cpu_type;
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int cpu_type;
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#ifndef TARGET_CPU
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cpu_type = m68020;
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@ -3117,33 +3128,42 @@ md_assemble(str)
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cpu_type = m68030;
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else if (strcmp (TARGET_CPU, "m68040") == 0)
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cpu_type = m68040;
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else if (strcmp (TARGET_CPU, "cpu32") == 0)
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cpu_type = cpu32;
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else
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cpu_type = m68020;
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#endif
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/* If float or mmu were specified, just default cpu. */
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if (current_architecture != 0)
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current_architecture |= cpu_type;
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else
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{
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if ((cpu_type & m68020up) != 0)
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current_architecture = (cpu_type
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#ifndef NO_68881
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| m68881
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#endif
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#ifndef NO_68851
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| m68851
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#endif
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);
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else
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current_architecture = cpu_type;
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}
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current_architecture |= cpu_type;
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}
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if (cpu_of_arch (current_architecture) == m68000
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&& (current_architecture & m68881) != 0)
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if (current_architecture & m68881)
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{
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as_bad ("incompatible processors 68000 and 68881 specified");
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if (current_architecture & m68000)
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as_bad ("incompatible processors 68000 and 68881/2 specified");
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if (current_architecture & m68010)
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as_bad ("incompatible processors 68010 and 68881/2 specified");
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if (current_architecture & m68040)
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as_bad ("incompatible processors 68040 and 68881/2 specified");
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}
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/* What other incompatibilities ought we to check for? */
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/* Toss in some default assumptions about coprocessors. */
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if (!no_68881
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&& (cpu_of_arch (current_architecture)
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/* Can CPU32 have a 68881 coprocessor?? */
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& (m68020 | m68030 | cpu32)))
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{
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current_architecture |= m68881;
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}
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if (!no_68851
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&& (cpu_of_arch (current_architecture) & m68020up) != 0)
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{
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current_architecture |= m68851;
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}
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if (no_68881 && (current_architecture & m68881))
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as_bad ("options for 68881 and no-68881 both given");
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if (no_68851 && (current_architecture & m68851))
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as_bad ("options for 68851 and no-68851 both given");
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done_first_time = 1;
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}
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@ -4229,6 +4249,10 @@ static void s_proc() {
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* errors. More than one may be specified. The default is
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* -m68020 -m68851 -m68881. Note that -m68008 is a synonym
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* for -m68000, and -m68882 is a synonym for -m68881.
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* -[A]m[c]no-68851, -[A]m[c]no-68881
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* Don't accept 688?1 instructions. (The "c" is kind of silly,
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* so don't use or document it, but that's the way the parsing
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* works).
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*
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* MAYBE_FLOAT_TOO is defined below so that specifying a processor type
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* (e.g. m68020) also requests that float instructions be included. This
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@ -4238,7 +4262,7 @@ static void s_proc() {
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* of that funny floaty stuff going on. FIXME-later.
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*/
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#ifndef MAYBE_FLOAT_TOO
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#define MAYBE_FLOAT_TOO m68881
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#define MAYBE_FLOAT_TOO /* m68881 */ 0 /* this is handled later */
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#endif
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int md_parse_option(argP,cntP,vecP)
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@ -4288,13 +4312,21 @@ char ***vecP;
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} else if (!strcmp(*argP, "68882")) {
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current_architecture |= m68882;
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#endif /* NO_68881 */
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/* Even if we aren't configured to support the processor,
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it should still be possible to assert that the user
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doesn't have it... */
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} else if (!strcmp (*argP, "no-68881")
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|| !strcmp (*argP, "no-68882")) {
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no_68881 = 1;
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#ifndef NO_68851
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} else if (!strcmp(*argP,"68851")) {
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current_architecture |= m68851;
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#endif /* NO_68851 */
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} else if (!strcmp (*argP, "no-68851")) {
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no_68851 = 1;
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} else if (!strcmp (*argP, "pu32")) { /* "-mcpu32" */
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current_architecture |= cpu32;
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} else {
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as_warn("Unknown architecture, \"%s\". option ignored", *argP);
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} /* switch on architecture */
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