diff options
Diffstat (limited to 'bfd/cpu-avr.c')
| -rw-r--r-- | bfd/cpu-avr.c | 76 |
1 files changed, 58 insertions, 18 deletions
diff --git a/bfd/cpu-avr.c b/bfd/cpu-avr.c index 51472a3459..364f64ea2e 100644 --- a/bfd/cpu-avr.c +++ b/bfd/cpu-avr.c @@ -35,20 +35,44 @@ compatible (const bfd_arch_info_type * a, if (a->arch != b->arch) return NULL; - /* Special case for ATmega[16]03 (avr:3) and ATmega83 (avr:4). */ - if ((a->mach == bfd_mach_avr3 && b->mach == bfd_mach_avr4) - || (a->mach == bfd_mach_avr4 && b->mach == bfd_mach_avr3)) - return NULL; + if (a->mach == b->mach) + return a; - /* So far all newer AVR architecture cores are supersets of previous - cores. */ - if (a->mach <= b->mach) + if (a->mach <= bfd_mach_avr6 && b->mach <= bfd_mach_avr6) + { + /* Special case for ATmega[16]03 (avr:3) and ATmega83 (avr:4). */ + if ((a->mach == bfd_mach_avr3 && b->mach == bfd_mach_avr4) + || (a->mach == bfd_mach_avr4 && b->mach == bfd_mach_avr3)) + return NULL; + + if (a->mach <= b->mach) + return b; + + if (a->mach >= b->mach) + return a; + } + + if (a->mach == bfd_mach_avr2 && b->mach == bfd_mach_avr25) + return a; + if (a->mach == bfd_mach_avr25 && b->mach == bfd_mach_avr2) + return b; + + if (a->mach == bfd_mach_avr3 && b->mach == bfd_mach_avr31) + return a; + if (a->mach == bfd_mach_avr31 && b->mach == bfd_mach_avr3) return b; - if (a->mach >= b->mach) + if (a->mach == bfd_mach_avr3 && b->mach == bfd_mach_avr35) return a; + if (a->mach == bfd_mach_avr35 && b->mach == bfd_mach_avr3) + return b; + + if (a->mach == bfd_mach_avr5 && b->mach == bfd_mach_avr51) + return a; + if (a->mach == bfd_mach_avr51 && b->mach == bfd_mach_avr5) + return b; + - /* Never reached! */ return NULL; } @@ -70,22 +94,38 @@ compatible (const bfd_arch_info_type * a, static const bfd_arch_info_type arch_info_struct[] = { - /* AT90S1200, ATtiny1x, ATtiny28. */ + /* Assembler only. */ N (16, bfd_mach_avr1, "avr:1", FALSE, & arch_info_struct[1]), - /* AT90S2xxx, AT90S4xxx, AT90S8xxx, ATtiny22. */ + /* Classic, <= 8K. */ N (16, bfd_mach_avr2, "avr:2", FALSE, & arch_info_struct[2]), - /* ATmega103, ATmega603. */ - N (22, bfd_mach_avr3, "avr:3", FALSE, & arch_info_struct[3]), + /* Classic + MOVW, <= 8K. */ + N (16, bfd_mach_avr25, "avr:25", FALSE, & arch_info_struct[3]), + + /* Classic, > 8K, <= 64K. */ + /* TODO: addr_bits should be 16, but set to 22 for some following + version of GCC (from 4.3) for backward compatibility. */ + N (22, bfd_mach_avr3, "avr:3", FALSE, & arch_info_struct[4]), + + /* Classic, == 128K. */ + N (22, bfd_mach_avr31, "avr:31", FALSE, & arch_info_struct[5]), + + /* Classic + MOVW + JMP/CALL, > 8K, <= 64K. */ + N (16, bfd_mach_avr35, "avr:35", FALSE, & arch_info_struct[6]), - /* ATmega83, ATmega85. */ - N (16, bfd_mach_avr4, "avr:4", FALSE, & arch_info_struct[4]), + /* Enhanced, <= 8K. */ + N (16, bfd_mach_avr4, "avr:4", FALSE, & arch_info_struct[7]), - /* ATmega161, ATmega163, ATmega32, AT94K. */ - N (22, bfd_mach_avr5, "avr:5", FALSE, & arch_info_struct[5]), + /* Enhanced, > 8K, <= 64K. */ + /* TODO: addr_bits should be 16, but set to 22 for some following + version of GCC (from 4.3) for backward compatibility. */ + N (22, bfd_mach_avr5, "avr:5", FALSE, & arch_info_struct[8]), + + /* Enhanced, == 128K. */ + N (22, bfd_mach_avr51, "avr:51", FALSE, & arch_info_struct[9]), - /* ATmega256x. */ + /* 3-Byte PC. */ N (22, bfd_mach_avr6, "avr:6", FALSE, NULL) }; |