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|    alt.os.development    |    Operating system development chatter    |    4,255 messages    |
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|    Message 4,248 of 4,255    |
|    Paul Edwards to All    |
|    386 to x64    |
|    14 Mar 25 19:24:22    |
      From: mutazilah@gmail.com              The recent success of z/PDOS-generic has led me to the       realization of another possibility.              I could compile an 80386 (PM32) version of PDOS-generic,       which is meant to run natively, and then have an appropriate       pseudo-bios which switches from PM32 with interrupts       disabled, to x64 with interrupts enabled, in order to       (eventually) execute the appropriate UEFI function. Noting       that I never exit boot services.              That way I can continue to use my much more robust       80386 toolchain, without having to scavenge for a       PC that has an 8086 BIOS.              And I would expect that to have a fairly small amount       of "glue" assembler code to convert parameters from       32-bit to 64-bit, and noting that the pseudo-bios only       receives fopen/fread/fwrite/fseek/fclose requests, not       printf/fprintf etc. That's the way it works - no variable       arguments.              BFN. Paul.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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