* sky-vu1.c (vu1_io_write_register_window): Make CIA (pc) write
effective by updating more registers.
* sky-libvpe.c: Updated to match earlier VU state-change code.
* sky-vpe.h: Removed unused globals from declarations.
PKE tests run identically on SPARC/Solaris and x86/Linux.
* sky-pke.c (pke_io_{read,write}_buffer): Endianness fixes aka
"E-fixes" in register and FIFO read/writes.
(pke_code_{pkemscalf,pkemscal}): E-fixes in VU CIA setting.
(pke_code_{mpg,unpack}): E-fixes in VU memory & tracking updates.
(pke_code_direct): E-fixes in GPUIF FIFO stuffing.
* sky-pke.h (PKE_MEM_WRITE): E-fixes in trace file writing.
* sky-vu0.c (vu0_attach): Allocate micro/data memory with zalloc
to guarantee sufficient (16-byte) alignment.
* sky-vu1.c (vu1_attach): Ditto.
(vu1_io_read_register_window): *PARTIAL* E-fixes in register accesses.
* sky-libvpe.c (gif_write): E-fixes in GPUIF FIFO stuffing.
* sky-gpuif.c (gif_io_{read,write}_buffer): E-fixes in
register and FIFO read/writes.
* sky-dma.c (do_dma_transfer_tag): E-fixes in tag reading.
mechanism is starting to subside.
* sky-pke.h (PKE_FLAG_INT_NOLOOP): Added device flag to indicate
presence of stalled & interrupted PKEcode.
* sky-pke.c (pke_issue): Added PKEcode interrupt bit handling.
(pke_flip_dbf): Changed double-buffering logic to match SCEI
clarification.
(pke_code_*): Added interrupt bit stalling clause.
(pke_code_pkems*): Added ITOP/ITOPS transmission code.
(pke_code_unpack): Added more careful logic for processing
overflows of VU data memory addresses.
(engine_resume_full): Keep accurate core profile data.
* cgen-utils.c (sim_disassemble_insn): Don't use
sim_core_read_aligned_N, it messes up profiling results.
* sky-pke.h (PKE_MEM_READ): Removed "read" entry from FIFO trace.
* sky-pke.c (pke_attach): Set trace file to line buffering iff
open.
(pke_io_read_buffer, pke_io_write_buffer): Handle erroneous
reads/writes by zero-padding.
(pke_io_write_buffer): Switch to more bit-field definition macros.
(pke_issue): Remove "stalled" entry from FIFO trace.
(pke_pc_advance): Correct logic for DMA-tag-skipping, PKEcode
classification.
(pke_code_mskpath3): Sketch of possible PATH3 masking method.
(pke_code_mpg): Keep order of lower/upper VU words as supplied.
(pke_code_unpack): Logic change for wl/cl/num unpacking. Weird.
little struct.
interp.c: Update. Also add floating point Max/Min functions.
mips.igen: Remove r5900 tag from any floating point instructions.
r5900.igen: Rewrite. Implement *all* floating point insns (except ld/st).
r5400.igen: Tag mdmx functions as being mdmx specific.
discarded function warning.
* igen.c (main): Clarify -Wnodiscard.
* ld-insn.c (parse_function_record): For functions, allow use of
instruction style function model records
were hammered in today's runs. Work is beginning in endian-proofing
the code.
* sky-pke.c (pke1_issue): Issue on correct PKE device.
(pke_io_write_buffer, pke_code_mpg, pke_code_unpack): Perform more
endian conversions.
(pke_code_mpg, pke_code_direct): Add operand alignment assertions.
(pke_code_mpg): Correct VU stall checks. Correct VU opcode
transfer ordering.
(pke_code_direct): Correct typos in DIRECT operand accessing.
(pke_code_unpack): Correct conditional sign-extension handling.
* sky-gpuif.c (gif_io_read_buffer, gif_io_write_buffer): Correct
assertion polarity.
(gif_read_tag): Disable faulty DMA-tag testing code.
the SCEI PKE simulator's output on its own test sample (tsv432.in).
* sky-pke.h (PKE_MEM_READ, PKE_MEM_WRITE, PKE_REG_MASK_SET): Add
trace file records.
* sky-pke.c: (pke_track_write): Removed function. Replaced with
in-line modifications to VU tracking tables.
(pke_attach): Attach VU tracking tables. Use line buffering on
trace files.
(pke_issue): Spit out additional trace records.
(pke_pc_operand_bits): Correct bitfield masking error.
(*): Replace sim_read/write with kludge PKE_MEM_READ/WRITE
throughout.
(pke_code_unpack): Correct numerous small bugs in operand decoding
etc.
A few PKE instructions even run correctly! Next missing function of
interest: FIFO pruning.
* sky-pke.c (pke_issue): Take extra SIM_DESC argument.
(pke_attach): Attach correct PKE0/PKE1 device. Open trace file if
VIF{0,1}_TRACE_FILE env. var. is defined.
(pke_io_write_buffer): Classify words in FIFO quadword. Use
kludgey sim_core routines to access DMA registers.
(pke_pc_advance): Add PKEcode classification. Correct DMA tag
skipping. Emit trace records.
(pke_pc_fifo): Add PKEcode operand classification.
(pke_check_stall): Perform stall checks against updated register
scheme.
(pke_code_unpack): Correct operand-count calculation.
(pke_code_stmask): Correct instruction skipping.
* sky-pke.h (PKE_MEM_WRITE, PKE_MEM_READ): New kludge macros.
(BIT_MASK_BTW): Corrected off-by-one error.
(enum wordclass): Classify words in a FIFO quadword.
* sky-dma.c (dma_io_read_buffer): Correct address checking assertions.
* sky-engine.c (engine_run): Pass along SIM_DESC to PKE
instruction issue code.
(SEMANTIC_FN): Rewrite declaration.
(DECODE): Update type of semantic_fast member.
({EX,SEM}_FN_NAME): Have only one version.
* cgen.sh: Support building cpu.c.
* sim-base.h (sim_state_base): Delete conditionals surrounding
member scache_size.
* handling of super duper packed UNPACK arguments
* skipping of in-progress instruction on break/stop
* interrupt generation to 5900
* PATH2/PATH3 status checking & masking
* ability to write to FIFO one word (instead of quadword) at a time
* cgen.sh (decode): Add s/@arch@/$arch/.
* genmloop.sh (@cpu@_engine_run): Delete `current_state'.
(engine_resume): Likewise. Make `engine' volatile. Save copy
of cpu pointer in volatile object. Initialize read switch if
-parallel.
update v850, tic80 and mips simulators.
IGEN - Prepend prefix to more generated symbols and macros
(idecode_issue, instruction_word).
IGEN - Add -Wnowith option to supress warnings about word size
inflicts in input files.
MIPS - Clean up Makefile.in, m16.igen, m16.dc (new), m16run.c (new) so
that a mips16 simulator built using IGEN can be compiled.
Use the bfd-processor name in the sim-engine switch.
Add nr_cpus argument to sim_engine_run.
tic80, v850, d30v, mips, common:
Update
mips: Fill in bfd-processor field of model records so that
they match ../bfd/archures.
(sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
(sim_close): Reset prog_bfd to NULL after closing it. Also
reset prog_bfd_was_opened_p after closing prog_bfd.
(sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
(sim_create_inferior): Get start address from abfd not prog_bfd.
(xfer_mem): Do bounds checking on addresses and return zero length
read/write on bad addresses, rather than aborting. Prepare to
be able to handle xfers that cross segment boundaries, but not
yet implemented. Only emit debug message when d10v_debug is
set as well as DEBUG being defined.
* arch-defs.h: Deleted.
* mloop.in: Renamed from mainloop.in.
* sem.c: Renamed from semantics.c.
* Makefile.in: Update.
* sem-ops.h: Deleted.
* mem-ops.h: Deleted.
start-sanitize-cygnus
Add cgen support for generating files.
end-sanitize-cygnus
(arch): Renamed from CPU.
* decode.c: Redone.
* decode.h: Redone.
* extract.c: Redone.
* model.c: Redone.
* sem-switch.c: Redone.
* sem.c: Renamed from semantics.c, and redone.
* m32r-sim.h (PROFILE_COUNT_FILLNOPS): Update.
(GETTWI,SETTWI,BRANCH_NEW_PC): Define.
* m32r.c (WANT_CPU,WANT_CPU_M32R): Define.
(m32r_{fetch,store}_register): New functions.
(model_mark_{get,set}_h_gr): Prefix with m32r_.
(m32r_model_mark_{busy,unbusy}_reg): Prefix with m32r_.
(h_cr_{get,set}): Prefix with m32r_.
(do_trap): Fetch state from current_cpu, not current_state.
Call sim_engine_halt instead of engine_halt.
* sim-if.c (alloc_cpu): New function.
(free_state): New function.
(sim_open): Call sim_state_alloc, and malloc space for selected cpu
type. Call sim_analyze_program.
(sim_create_inferior): Handle selected cpu type when setting PC.
start-sanitize-m32rx
(sim_resume): Handle m32rx.
end-sanitize-m32rx
(sim_stop_reason): Deleted.
(print_m32r_misc_cpu): Update.
start-sanitize-m32rx
(sim_{fetch,store}_register): Handle m32rx.
end-sanitize-m32rx
(sim_{read,write}): Deleted.
(sim_engine_illegal_insn): New function.
* sim-main.h: Don't include arch-defs.h,sim-core.h,sim-events.h.
Include arch.h,cpuall.h. Include cpu.h,decode.h if m32r.
start-sanitize-m32rx
Include cpux.h,decodex.h if m32rx.
end-sanitize-m32rx
(_sim_cpu): Include member appropriate cpu_data member for the cpu.
(M32R_MISC_PROFILE): Renamed from M32R_PROFILE.
(sim_state): Delete members core,events,halt_jmp_buf.
Change `cpu' member to be a pointer to the cpu's struct, rather than
record inside the state struct.
* tconfig.in (WITH_DEVICES): Define here.
(WITH_FAST,WITH_SEM_SWITCH_{FULL,FAST}): Define for the cpu.
* cgen.sh: New file.
* cgen-scache.h: Deleted.
* cgen-scache.c: Only compile contents if WITH_SCACHE.
(scache_init): Use runtime computed size of SCACHE.
(scache_flush): Likewise.
* cgen-mem.h (GETIMEMU[QHSD]I): Declare.
([GS]ETT{QI,UQI,HI,UHI,SI,USI,DI,UDI}): Declare.
* cgen-sim.h: Scache support moved here.
(PC): Redo definition.
(ARGBUF,SCACHE,PARALLEL_EXEC): Provide forward decls.
(DECODE): Add parallel execution support.
Only include semantic label members if using switch.
(SWITCH,CASE,BREAK,DEFAULT,ENDSWITCH): Portable computed goto support.
(CGEN_CPU): Delete members exec_state, halt_sigrc, halt_jmp_buf.
(IADDR,CIA,SEM_ARG,EX_FN_NAME,SEM_FN_NAME,RECORD_IADDR,SEM_ARGBUF,
SEM_NEXT_PC,SEM_BRANCH_VIA_{CACHE,ADDR},SEM_NEW_PC_ADDR): Moved here
from cgen-types.h.
(engine_{stop,run,resume,halt,signal}): Delete decls.
* cgen-types.h (CGEN_{XCAT3,CAT3}): Delete.
(argbuf,scache): Delete forward decls.
(STATE): Delete decl.
* cgen-utils.c: Don't include decode.h, mem-ops.h, sem-ops.h.
Include cgen-mem.h, cgen-ops.h.
(engine_halt,engine_signal): Delete.
({ex,exc,sem,semc}_illegal): Delete.
(sim_disassemble_insn): Result of extract fn is in bits.
* genmloop.sh: Rewrite.
For sim/mips, enable multi-sim support when mips64vr5400-elf is target.
For sim/igen, allow specification of a default machine (will need
more work later).