From 7b21ac3f455e1854e5ca5c82cc64006d3fbdf923 Mon Sep 17 00:00:00 2001 From: "Eric B. Weddington" Date: Sat, 9 Aug 2008 05:35:13 +0000 Subject: Add AVR architectures avr25, avr31, avr35, and avr51 to match GCC. bfd/ * archures.c (bfd_mach_avr25, bfd_mach_avr31, bfd_mach_avr35, bfd_mach_avr51): New. * bfd-in2.h: Regenerate. * cpu-avr.c (arch_info_struct): Add avr25, avr31, avr35, and avr51 architectures. Change comments to match architecture comments in GCC. (compatible): Add test for new AVR architectures. * elf32-avr.c (bfd_elf_avr_final_write_processing): Recognize bfd_mach_avr25, bfd_mach_avr31, bfd_mach_avr35 and bfd_mach_avr51. (elf32_avr_object_p): Recognize E_AVR_MACH_AVR25, E_AVR_MACH_AVR31, E_AVR_MACH_AVR35 and E_AVR_MACH_AVR51. gas/ * config/tc-avr.c (mcu_types): Add avr25, avr31, avr35, and avr51 architectures. Reorganize list to put mcu types in correct architectures and to order list same as in GCC. Use new ISA definitions in include/opcode/avr.h. * doc/c-avr.texi: Add avr25, avr31, avr35, and avr51 architecture descriptions. Reorganize descriptions to put mcu types in correct architectures and to order lists same as in GCC. include/ * elf/avr.h (E_AVR_MACH_AVR25, E_AVR_MACH_AVR31, E_AVR_MACH_AVR35, E_AVR_MACH_AVR51): Define. (EF_AVR_MACH): Redefine to 0x7F. * opcode/avr.h (AVR_ISA_TINY3, AVR_ISA_ALL, AVR_ISA_USB162): Remove. (AVR_ISA_AVR3): Redefine. (AVR_ISA_AVR1, AVR_ISA_AVR2, AVR_ISA_AVR31, AVR_ISA_AVR35, AVR_ISA_AVR3_ALL, AVR_ISA_AVR4, AVR_ISA_AVR5, AVR_ISA_AVR51, AVR_ISA_AVR6): Define. ld/ * Makefile.am (ALL_EMULATIONS): Add eavr25.o, eavr31.o, eavr35.o, and eavr51.o. Add rules for eavr25.c, eavr31.c, eavr35.c, eavr51.c. * Makefile.in: Regenerate. * configure.tgt (avr-*-*, targ_extra_emuls): Add avr25, avr31, avr35 and avr51. * emulparams/avr25.sh: New file. * emulparams/avr31.sh: New file. * emulparams/avr35.sh: New file. * emulparams/avr51.sh: New file. --- bfd/cpu-avr.c | 76 +++++++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 58 insertions(+), 18 deletions(-) (limited to 'bfd/cpu-avr.c') 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) }; -- cgit v1.2.3