| [hatari-devel] Problems with some FPU tests |
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while trying to write some FPU related tests, i git some strange problems.
When running the test from cmake (via a script similar to the one of tests/xbios/run_test.sh, that sets up a temporary test directory, set HOME to that directory etc.) i get following output (when setting --trace debug):
HOME=/tmp/tmp.kfs1Fr1RDQ /home/sebilla/atari/hatari/src/hatari --log-level fatal --sound off --cpuclock 32 --tos none -d /tmp/tmp.kfs1Fr1RDQ --run-vbls 500 --bios-intercept on --cpulevel 3 /home/sebilla/atari/hatari/tests/cpu/test-inf.ttp Sound OFF, frequency = 44100. Exit after 500 VBLs. XBIOS 11/20/255 Hatari versions enabled: Dbmsg(), Scrdmp(), HatariControl(). Hatari v2.1.0, compiled on: Apr 20 2018, 16:24:00 Video_SetSystemTimings 0 3 -> 2 (WS3) 503 503 64 Configured max Hatari resolution = 832x588, optimal for ST = 832x588 STMemory_RAM_SetBankSize total=1024 KB bank0=512 KB bank1=512 KB MMU=5 update cyc speed 0 throttle 0.000000 clock_mult 512 CPU cycleunit: 256 (0.500) CPU cycleunit: 256 (0.500) 1870 CPU functions Building CPU, 45926 opcodes (3 -2 1) CPU=68030, FPU=0, MMU=0, JIT=0. ~cycle-exact 24-bit Sound: Disabled Checking GEMDOS C: HDD: /home/sebilla/atari/hatari/tests/cpu GEMDOS HDD emulation, C: <-> /home/sebilla/atari/hatari/tests/cpu. memory_map_Standard_RAM total=1048576 ram0=524288 ram1=524288 mmu0=131072 mmu1=131072 Loaded TOS version 0.00, starting at $e00000, country code = 0, PAL Skipped TOS patches. Loading '/home/sebilla/atari/hatari/tests/cpu/test-inf.ttp' to 0x1100. Video_SetSystemTimings 0 3 -> 2 (WS3) 503 503 64 Video_SetSystemTimings 0 3 -> 2 (WS3) 503 503 64 NVRAM not found at '/tmp/tmp.kfs1Fr1RDQ/.config/hatari/hatari.nvram' Host system has accurate delays. (1) update cyc speed 0 throttle 0.000000 clock_mult 512 CPU cycleunit: 256 (0.500) CPU cycleunit: 256 (0.500) m68k_run_2ce CPU reset PC=e00034 (ROM memory).. memory_map_Standard_RAM total=1048576 ram0=524288 ram1=524288 mmu0=524288 mmu1=524288 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Illegal instruction: 19f3 at 00000422 -> 00000000 Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$426. Exception 2 (426) at 426 -> 0! Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$3c2. Exception 2 (3c2) at 3c2 -> 0! Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$35e. Exception 2 (35e) at 35e -> 0! Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$2fa. Exception 2 (2fa) at 2fa -> 0! Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$296. Exception 2 (296) at 296 -> 0! Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$232. Exception 2 (232) at 232 -> 0! Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$1ce. Exception 2 (1ce) at 1ce -> 0! Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$16a. Exception 2 (16a) at 16a -> 0! Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$106. Exception 2 (106) at 106 -> 0! Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$a2. Exception 2 (a2) at a2 -> 0! Bus error bget at 7ffe0000 M68000 Bus Error reading at address $7ffe0000 PC=$3e. M68000 Bus Error writing at address $6 PC=$3e. Detected double bus/address error => CPU halted! exit m68k_run
At this point hatari (and the script) exits with status 0. Not what i expected. Note that the arguments incidently included --cpulevel 0, so no FPU support.
When i try the same from the commandline (without setting HOME, so the default configuration is loaded first. which in my case is set to 030+fpu), i get:
SDL_AUDIODRIVER=dummy SDL_VIDEODRIVER=dummy /home/sebilla/atari/hatari/src/hatari --log-level debug --sound off --cpuclock 32 --tos none --natfeats on --bios-intercept on --vdi off - At this point hatari gets a segmentation fault. Any ideas? Note that apparently machine type was still set to TT when running from command line.
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