When I run an unmodified version of this repo, the init program will crash: <p dir

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Partially solved by <a class="issue-link js-issue-link" data-error-text="Failed to loa

Partially solved by <a class="issue-link js-issue-link" data-error-text="

Crash when calling /bin/init about arvernos HOT 7 CLOSED

willdurand commented on May 24, 2024

Crash when calling /bin/init

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Comments (7)

LittleCodingFox commented on May 24, 2024 1

This is solved now, so I'm closing it :)

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LittleCodingFox commented on May 24, 2024

DEBUG src/core/elf.c:17:elf_load(): file header: machine=0x3e version=0x1 entry=00000000004000B0 header_size=64 ph_size=56 ph_num=2 ph_offset=64 sh_num=64 sh_num=9
DEBUG src/core/elf.c:27:elf_load(): program header: type=1 addr=0000000000400000
DEBUG src/core/elf.c:69:load_segment(): load segment at addr=0000000000400000 with flags=0x3
DEBUG src/core/elf.c:27:elf_load(): program header: type=1 addr=0000000000400000
DEBUG src/core/elf.c:69:load_segment(): load segment at addr=0000000000607360 with flags=0x3
DEBUG src/core/elf.c:38:elf_load(): elf entry is now at: 00000000004000B0
DEBUG src/core/isr.c:153:isr_handler(): Received interrupt: 6 - Invalid Opcode

  instruction_pointer = 00000000004000B9
  code_segment        = 8
  cpu_flags           = 0x246
  stack_pointer       = 0000000000115F90
  stack_segment       = 0

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willdurand commented on May 24, 2024

Invalid Opcode is quite weird, I don't think I've seen it very often. I likely broke this binary, the ELF loader was not very stable IIRC.

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LittleCodingFox commented on May 24, 2024

Partially solved by #29

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willdurand commented on May 24, 2024

I just tried and I get a page fault, huh. Edit: well, it is not stable at all :/

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LittleCodingFox commented on May 24, 2024

Before or after my changes?