[Qemu-devel] [RFC][PATCH 000/111] QEMU m68k core additions

[Bryce Lanham <blanham@gmail.com>]

These patches greatly expand Motorola 68k emulation within qemu, and are what I used as a basis for my
Google Summer of Code project to add NeXT hardware support to QEMU.

Bryce Lanham

Alexander Paramonov (1):
  linux-user: Signals processing is not thread-safe.

Andreas Schwab (3):
  m68k: add cas
  m68k: define fcntl constants
  m68k: add DBcc instruction.

Laurent Vivier (106):
  linux-user: add qemu-wrapper
  linux-user: define default cpu model in configure instead of
    linux-user/main.c
  linux-user: specify the cpu model during configure
  linux-user,m68k: display default cpu
  linux-user: define new environment variables
  linux-user: define a script to set binfmt using debian flavored tools
  linux-user: define default cpu model in configure instead of
    linux-user/main.c
  m68k: add tcg_gen_debug_insn_start()
  m68k: define m680x0 CPUs and features
  m68k: add missing accessing modes for some instructions.
  m68k: add Motorola 680x0 family common instructions.
  m68k: add Scc instruction with memory operand.
  m68k: add DBcc instruction.
  m68k: modify movem instruction to manage word
  m68k: add 64bit divide.
  m68k: add 32bit and 64bit multiply
  m68k: add word data size for suba/adda
  m68k: add fpu
  m68k: add "byte", "word" and memory shift
  m68k: add "byte", "word" and memory rotate.
  m68k: add bitfield_mem, bitfield_reg
  m68k: add variable offset/width to bitfield_reg/bitfield_mem
  m68k: add cas
  m68k: allow fpu to manage double data type.
  m68k: allow fpu to manage double data type with fmove to <ea>
  m68k: add FScc instruction
  m68k: add single data type to gen_ea
  m68k: add linkl instruction
  m68k: Add fmovecr
  m68k: correct typo on f64_to_i32() return type.
  m68k: improve CC_OP_LOGIC
  m68k: correct neg condition code flags computation
  Correct invalid use of "const void *" with "const uint8_t *"
  m68k: add EA support for negx
  m68k: add abcd instruction
  m68k: add sbcd instruction
  mm68k: add nbcd instruction
  m68k: set X flag according size of operand     Set X flag correctly
    for addsub, arith_im, addsubq.
  m68k: on 0 bit shift, don't update X flag
  m68k: improve addx instructions     Add (byte, word) opsize     Add
    memory access
  m68k: improve subx,negx instructions     Add (byte, word) opsize    
    Add memory access (subx)
  m68k: improve asl/asr     evaluate correclty the missing V flag
  m68k: use read_imm1() when it is possible
  m68k: correct shift side effect for roxrl and roxll
  m68k: asl/asr, clear C flag if shift count is 0
  m68k: lsl/lsr, clear C flag if shift count is 0
  m68k: correct divs.w and divu.w
  m68k: correct flags with negl
  m68k: for bitfield opcodes, correct operands corruption
  m68k: Correct bfclr in register case.
  m68k-linux-user: add '--enable-emulop'
  m68k: correctly compute divsl
  m68k: correctly compute divul
  m68k: add m68030 definition
  m68k: remove dead code
  m68k: remove useless file m68k-qreg.h
  m68k: FPU rework (draft)
  m68k: some FPU debugging macros
  m68k: more tests
  m68k: correct compute gen_bitfield_cc()
  m68k: add fgetexp
  m68k: add fscale
  m68k: correct addsubq
  m68k: add fetox and flogn
  m68k: initialize FRegs, define pickNaN()
  m68k: correct cmpa comparison datatype
  m68k: add flog10
  m68k: add cmpm instruction
  m68k: add ftwotox instruction
  m68k: better fpu traces
  m68k: register source operand is always in extended size
  m68k: add facos instruction
  m68k: add ftan instruction
  m68k: add fsin instruction
  m68k: add fcos instruction
  m68k: correct fpcr update
  m68k: add fmod instruction
  m68k: flush flags before negx instruction.
  m68k: correct fmovemx FP registers order.
  m68k: add fatan instruction
  m68k: correct bfins instruction
  m68k: fcmp correctly compares infinity.
  m68k: allows bfins to manage correctly width = 32
  m68k: add ftentox instruction
  m68k: correctly define and manage NaN
  m68k: don't call gdb_register_coprocessor() twice.
  m68k: gdb FP registers are 96 bits
  m68k: add exg instruction
  m68k: define floatx80_default_inf_high and floatx80_default_inf_low
  m68k: add bkpt instruction
  m68k: correctly convert floatx80<->long double
  m68k: use expl() to compute exp_FP0()
  m68k: use exp2l() to compute exp2_FP0()
  m68k: use logl() to compute ln_FP0()
  m68k: use log10l() to compute log10_FP0()
  m68k: correctly load signed word into floating point register
  m68k: add fcosh instruction
  m68k: add fasin instruction
  m68k: add fsincos instruction
  m68k: add fsinh instruction
  m68k: add ftanh instruction
  m68k: add flognp1 instruction
  m68k: add fatanh instruction
  m68k: first draft of q800 emulation (not working)
  m68k: add movec instruction
  m68k: move from sr can use effective addresse on m68k

Peter Bjørn Jørgensen (1):
  m68k: Added ULL to 64 bit integer in helper.c