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Applied Marek Michalkiewicz <marekm@linux.org.pl>'s patch to ehance the AVR port.

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This commit is contained in:
Nick Clifton
2000-06-27 01:45:30 +00:00
parent cc040812f5
commit 65aa24b6e8
13 changed files with 108 additions and 47 deletions
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50
gas/config/tc-avr.c
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@ -59,9 +59,10 @@ struct mcu_type_s
static struct mcu_type_s mcu_types[] =
{
{"avr1", AVR_ISA_TINY1, bfd_mach_avr1},
{"avr2", AVR_ISA_85xx, bfd_mach_avr2},
{"avr2", AVR_ISA_2xxx, bfd_mach_avr2},
{"avr3", AVR_ISA_M103, bfd_mach_avr3},
{"avr4", AVR_ISA_ALL, bfd_mach_avr4},
{"avr4", AVR_ISA_M83, bfd_mach_avr4},
{"avr5", AVR_ISA_ALL, bfd_mach_avr5},
{"at90s1200", AVR_ISA_1200, bfd_mach_avr1},
{"attiny10", AVR_ISA_TINY1, bfd_mach_avr1},
{"attiny11", AVR_ISA_TINY1, bfd_mach_avr1},
@ -76,15 +77,17 @@ static struct mcu_type_s mcu_types[] =
{"at90s4433", AVR_ISA_2xxx, bfd_mach_avr2},
{"at90s4414", AVR_ISA_2xxx, bfd_mach_avr2},
{"at90s4434", AVR_ISA_2xxx, bfd_mach_avr2},
{"at90s8515", AVR_ISA_85xx, bfd_mach_avr2},
{"at90s8535", AVR_ISA_85xx, bfd_mach_avr2},
{"at90c8534", AVR_ISA_85xx, bfd_mach_avr2},
{"at90s8515", AVR_ISA_2xxx, bfd_mach_avr2},
{"at90s8535", AVR_ISA_2xxx, bfd_mach_avr2},
{"at90c8534", AVR_ISA_2xxx, bfd_mach_avr2},
{"atmega603", AVR_ISA_M603, bfd_mach_avr3},
{"atmega103", AVR_ISA_M103, bfd_mach_avr3},
{"atmega161", AVR_ISA_M161, bfd_mach_avr4},
{"at94k10", AVR_ISA_94K, bfd_mach_avr4},
{"at94k20", AVR_ISA_94K, bfd_mach_avr4},
{"at94k40", AVR_ISA_94K, bfd_mach_avr4},
{"atmega83", AVR_ISA_M83, bfd_mach_avr4},
{"atmega85", AVR_ISA_M83, bfd_mach_avr4},
{"atmega161", AVR_ISA_M161, bfd_mach_avr5},
{"atmega163", AVR_ISA_M161, bfd_mach_avr5},
{"atmega32", AVR_ISA_M161, bfd_mach_avr5},
{"at94k", AVR_ISA_94K, bfd_mach_avr5},
{NULL, 0, 0}
};
@ -204,10 +207,11 @@ md_show_usage (stream)
_ ("AVR options:\n"
" -mmcu=[avr-name] select microcontroller variant\n"
" [avr-name] can be:\n"
" avr1 - AT90S1200\n"
" avr2 - AT90S2xxx, AT90S4xxx, AT90S85xx, ATtiny22\n"
" avr3 - ATmega103 or ATmega603\n"
" avr4 - ATmega161\n"
" avr1 - AT90S1200, ATtiny1x, ATtiny28\n"
" avr2 - AT90S2xxx, AT90S4xxx, AT90S8xxx, ATtiny22\n"
" avr3 - ATmega103, ATmega603\n"
" avr4 - ATmega83, ATmega85\n"
" avr5 - ATmega161, ATmega163, ATmega32, AT94K\n"
" or immediate microcontroller name.\n"));
}
@ -244,10 +248,16 @@ md_parse_option (c, arg)
if (!mcu_types[i].name)
as_fatal (_ ("unknown MCU: %s\n"), arg);
if (avr_mcu == &default_mcu)
/* It is OK to redefine mcu type within the same avr[1-5] bfd machine
type - this for allows passing -mmcu=... via gcc ASM_SPEC as well
as .arch ... in the asm output at the same time. */
if (avr_mcu == &default_mcu || avr_mcu->mach == mcu_types[i].mach)
avr_mcu = &mcu_types[i];
else
as_fatal (_ ("redefinition of mcu type `%s'"), mcu_types[i].name);
as_fatal (_ ("redefinition of mcu type `%s' to `%s'"),
avr_mcu->name, mcu_types[i].name);
return 1;
}
return 0;
@ -818,14 +828,8 @@ md_apply_fix3 (fixp, valuep, seg)
if (value < -2048 || value > 2047)
{
if (avr_mcu->isa & AVR_ISA_WRAP)
{
if (value > 2047)
value -= 4096;
else
value += 4096;
}
else
/* No wrap for devices with >8K of program memory. */
if (avr_mcu->isa & AVR_ISA_MEGA)
as_bad_where (fixp->fx_file, fixp->fx_line,
_("operand out of range: %ld"), value);
}