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<damo22>youpi: what is "mask", "anywhere" and "inheritance" in a vm_map call ? <damo22>i assume anywhere is something like, can it be remapped anywhere <damo22>VM_INHERIT_SHARE is what i think i need <damo22>i see in gnumach it uses & ~mask <youpi>damo22: get inspired from the mmap() implementation in glibc <youpi>and see the gnumach info pages for the details of the system calls and gnumach RPCs <youpi>when calling get_privileged_ports, pass NULL instead of &master_host, since you don't need it <youpi>otherwise you're paving ways for getting bogus behavior with no clue where it started failing :) <youpi>don't specify mem_offset both to device_map and vm_map <youpi>you want to pass dest to vm_map, not *dest <youpi>since vm_map has to return the address <youpi>s/return the address/write the address there/ <youpi>set anywhere to 1, you don't care where to map it <youpi>mmap() passes VM_PROT_ALL as max_protection, I'd say just do the same <youpi>so we really behave like the mmap() call used otherwise <youpi>apart from that the principle looks good <youpi>I guess upstream would rather put the ifdef inside the function <youpi>and hvae the rest of the code just call it instead of opening devmem etc. <damo22>but i pulled out the gnu method to a separate function as well <damo22>you think theyd rather if i duplicate the code for 3 times? <youpi>I mean to factorize the #ifdefs <youpi>not only factorize the gnu implementation <youpi>but factorize the /Dev/mem opening etc. too <youpi>so ifdef shows up only in the helper function <damo22>so i call the same function for both methods <damo22>then there is only one set of ifdefs <damo22>interesting, it probed pci devices but failed to find AHCI controller <damo22>mmm, i think it missed the controller though usually i see ahcisata0: <damo22>i saw a similar problem when it failed to unmap the pci regions <damo22>ive traced the boot sequence of ahci before, it maps the BAR to probe the controller, then unmaps the bar, and remaps again <damo22>if unmap is not implemented, it will fail i think <youpi>see mmap.c's implementation inside glibc <youpi>really, we want to implement something instead of mmap, so simply look at the mmap implementation to do the same ***rekado_ is now known as rekado
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