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fat32_sys_rewrite

fat_v2

trunk

#1

#2

#3

#5

v0.0.1

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• 4a944bc493 minor changes in fat32 fat_v2 Elaina Claus 2025-09-20 08:29:43 -04:00
• 137735431a move stack after bss padding Elaina Claus 2025-09-18 19:16:27 -04:00
• 6caaf6aa6d some structures for okteta put in $(qtpaths --paths GenericDataLocation) Elaina Claus 2025-09-18 17:20:17 -04:00
• 1e9de446f0 a few fixes to complete the move Elaina Claus 2025-09-18 14:25:27 -04:00
• 5f2ca55af7 move mbr/vbr code to FAT32 system Elaina Claus 2025-09-18 14:19:39 -04:00
• 11656c2827 more error codes and checks in vbr Elaina Claus 2025-09-18 14:07:45 -04:00
• f87f88a0dc fix qemu launch Elaina Claus 2025-09-18 14:06:52 -04:00
• 7baa53178a update gitignore Elaina Claus 2025-09-18 14:06:32 -04:00
• 8002d1cb54 more fat fs type checks Elaina Claus 2025-09-18 11:50:27 -04:00
• d8a89cfd2b remove shortjmp and ident from bpb Elaina Claus 2025-09-18 11:20:05 -04:00
• 6c402b5c4f update structures Nivirx 2025-09-17 21:48:37 -04:00
• a3c9897291 prototyping Elaina Claus 2025-09-17 20:59:48 -04:00
• 831d45c33c rename ext_disk_read to BIOS_int13h_ext_read Elaina Claus 2025-09-17 18:54:59 -04:00
• 918e94689f 2KiB stack Elaina Claus 2025-09-17 18:44:55 -04:00
• 8d2cde0a31 added no planned fat32 error codes and added mbr/vbr reading error codes Elaina Claus 2025-09-17 17:02:08 -04:00
• 8d3788a76e remove unused structure Elaina Claus 2025-09-17 16:50:59 -04:00
• 4a27e09872 use partition entry size constant Elaina Claus 2025-09-17 16:24:45 -04:00
• 59bc1afb7c stick mmap info in SteviaInfo Elaina Claus 2025-09-17 16:24:27 -04:00
• 8b0b73d8a4 start partition table at entry 1 Elaina Claus 2025-09-17 16:22:47 -04:00
• 803be58c10 Merge branch 'trunk' into fat_v2 Elaina Claus 2025-09-16 08:36:46 -04:00
• 528e3d69fe update github workflow since github includes firefox & snaps in the default runner image, which causes the build to fail. going to need a custom runner I guess...might as well only do actions on gitea. trunk Elaina Claus 2025-09-16 08:34:22 -04:00
• 51bd250925 minor corrections Elaina Claus 2025-09-13 15:30:11 -04:00
• 460165a8d1 re-naming Elaina Claus 2025-09-13 15:07:36 -04:00
• 935cbd1089 naming changes to ReadMbr/Vbr Elaina Claus 2025-09-13 14:56:26 -04:00
• 7f1b4fa632 more naming changes Elaina Claus 2025-09-13 14:51:30 -04:00
• 14f6788a22 renaming things to a hungarian style and adding "types" Elaina Claus 2025-09-13 14:41:09 -04:00
• 526c3e7ea5 remove define_info macro, improved cstr macro and renamed all the OK/Msg debug strings Elaina Claus 2025-09-13 13:45:37 -04:00
• 721ff2e62d cap bss, clean up some padding issues and clean up sign section Elaina Claus 2025-09-13 12:50:42 -04:00
• a50af35abd cleaned up memory maps and added a map for stage2 Elaina Claus 2025-09-13 12:48:19 -04:00
• 7cd6baa74d added 2 proc's to read mbr/vbr to a buffer and setup some early ptr's to partition tables and the like Elaina Claus 2025-09-12 23:16:04 -04:00
• 40fa4062ce 1KiB stack stage2 gets doesn't need extra information from the mbr/vbr now. Elaina Claus 2025-09-12 23:13:57 -04:00
• a8b24c7b01 add functions to get the mbr/vbr in stage2 Elaina Claus 2025-09-11 19:05:50 -04:00
• 58fc4a08dd more me just reviewing the code base and comments Elaina Claus 2025-09-11 17:33:08 -04:00
• 3da2af2d2d add comments to args passed to vbr Elaina Claus 2025-09-11 17:06:35 -04:00
• 75d77e92e1 🤔 Elaina Claus 2025-09-11 17:06:08 -04:00
• 8e6c823a00 modified: include/cdecl16.inc Elaina Claus 2025-09-11 14:01:30 -04:00
• fca8a5d573 update readme Elaina Claus 2025-09-11 12:25:03 -04:00
• f341a50b78 removed unused macro for calling read_disk_raw more simplification of push's Elaina Claus 2025-09-11 12:12:48 -04:00
• ef22bc9cd3 quick todo Elaina Claus 2025-09-10 21:14:34 -04:00
• 507a05949f account for .sign section in bytes_remaining calculation Elaina Claus 2025-09-10 11:36:40 -04:00
• caed66a243 don't relocate the MBR to the stage2 heap space this will save us disk reads for patition table info Elaina Claus 2025-09-10 11:36:10 -04:00
• d5cd8d6c45 remove unused early_mem.inc Elaina Claus 2025-09-09 18:54:28 -04:00
• b0f118b139 remove unused Elaina Claus 2025-09-09 18:54:15 -04:00
• 71d50cdbd8 move the bpb_offset_bx file to old fat32 Elaina Claus 2025-09-09 18:50:34 -04:00
• 3c654b1be0 more rtfm'ing with encoding, 25 bytes of free code space in vbr now Elaina Claus 2025-09-09 18:37:39 -04:00
• 0d90b3efd6 I rtfm'ed and saw there was a push m/16 encoding mbr now has 93 bytes free for more code Elaina Claus 2025-09-09 18:25:24 -04:00
• b08605f295 remove dep on fat32_structures Elaina Claus 2025-09-09 17:47:17 -04:00
• aa0efe5ff8 a bunch of planning for what the new FAT driver should probably look like. Elaina Claus 2025-09-09 17:02:35 -04:00
• 700148a2f6 disable fat32 parts to keep the build...building Elaina Claus 2025-09-09 17:01:44 -04:00
• 14ef0151ca move old fat32 system to fat32/old Elaina Claus 2025-09-09 17:01:14 -04:00
• 1d696371d2 updated QEMU args to match as close as possible to bochs Elaina Claus 2025-09-09 17:00:41 -04:00
• d30abe7a27 don't need to keep these dir's Elaina Claus 2025-09-09 17:00:12 -04:00
• d6f6076d45 don't need the directory here Elaina Claus 2025-09-09 12:09:31 -04:00
• 4e05efaa6b Big cleanup in Makefile to follow Makefile standards a bit better. minor edits to create-disk.sh to work with some of the changes for now Elaina Claus 2025-09-09 11:03:50 -04:00
• 7cc0b4a392 first round of refactoring for the Makefile Elaina Claus 2025-09-09 10:06:35 -04:00
• 9a6fea658d bugs Elaina Claus 2025-09-07 18:43:03 -04:00
• 891bff9509 use __CDECL16 macros and clean up a few proc calls Elaina Claus 2025-09-07 17:38:21 -04:00
• 1e181bc22c remove print_string macro Elaina Claus 2025-09-07 16:25:08 -04:00
• 68c8200aa4 remove invoke macro for now Elaina Claus 2025-09-07 16:21:19 -04:00
• 766c67c041 first calls to use the new cdecl16 macros Elaina Claus 2025-09-07 16:11:18 -04:00
• 49d82be0e8 use rotate instead of stack context in macros Elaina Claus 2025-09-07 16:10:59 -04:00
• 69bd7d8f56 small clean up and use configured segment for return to real mode Elaina Claus 2025-09-07 14:50:40 -04:00
• 875527aa98 output to bochs magic debug port as well Elaina Claus 2025-09-07 14:49:21 -04:00
• c0d47d4db0 re-organize bochs config, added USB 1.0/1.1/2.0 and e1000 network Elaina Claus 2025-09-07 14:48:35 -04:00
• 81a3442ac5 remove magic debug from unrealmode entry Elaina Claus 2025-09-07 13:51:23 -04:00
• 3ec55f5a39 change some macro names to make them more clear Elaina Claus 2025-09-07 13:33:26 -04:00
• 9493aefa68 rename __CDECL16_ENTRY and EXIT Elaina Claus 2025-09-07 13:29:24 -04:00
• 6f2fc627be new fancy macros to make it nicer to call functions Elaina Claus 2025-09-07 13:16:37 -04:00
• 20c715fadd update notes on unreal entry Elaina Claus 2025-09-07 13:15:40 -04:00
• 920c623a93 update README.md Elaina Claus 2025-09-06 13:56:00 -04:00
• af8e7d74d3 I don't plan on using mmx/sse, set the minimum cpu to a 686 Elaina Claus 2025-09-06 13:55:45 -04:00
• fde7abc544 replace or opcode with test test only updates flags Elaina Claus 2025-09-06 08:38:16 -04:00
• 69223a1ad2 explaination on the power of two stuff Elaina Claus 2025-09-05 20:54:29 -04:00
• 130cd22ff1 remove unreal mode stuff from cdecl16.inc Elaina Claus 2025-09-05 20:33:00 -04:00
• 4e5112b45b move unreal mode hackery back to stage2.nasm Elaina Claus 2025-09-05 20:32:19 -04:00
• 66e8e3c7fc prototype allocate function Elaina Claus 2025-09-05 19:55:08 -04:00
• b0bd4b27b0 🎉 simple allocator init in the code Elaina Claus 2025-09-05 16:48:24 -04:00
• cd316afdd1 basic arena allocator implementation Elaina Claus 2025-09-05 16:42:25 -04:00
• 9a478aa4d4 added another __REFLAT variant Elaina Claus 2025-09-05 16:28:01 -04:00
• 31d05c35e5 move __TINY_DS_ES to unreal_mode function also some cleanup Elaina Claus 2025-09-05 16:18:34 -04:00
• 534e04ef34 fix a typo Elaina Claus 2025-09-05 15:48:43 -04:00
• f58bf93507 don't exit if we are running as root just warn Elaina Claus 2025-09-05 15:45:33 -04:00
• b5ae11f850 set ds/es to a tiny memory model after entering Unreal mode ss/fs/gs will all be huge/flat model after Elaina Claus 2025-09-05 15:43:22 -04:00
• b9b3e92632 actually set cs to 16-bit segment for a bit in-case we want to run some pm code Elaina Claus 2025-09-05 15:26:24 -04:00
• 5fac10f02c use easier to read logic Elaina Claus 2025-09-05 14:40:44 -04:00
• fa4524aa59 add macros to go from real <-> unreal Elaina Claus 2025-09-05 14:39:16 -04:00
• 01ec6da0cc make unreal mode unreal again Elaina Claus 2025-09-05 11:45:46 -04:00
• 2e2b4f991d add cursor manipulation via bios or crtc Elaina Claus 2025-09-05 11:45:20 -04:00
• d7b29d9113 __CDECL16_ENTRY now takes 0-1 params, if you give it a size it sets up local varible redzone Elaina Claus 2025-09-05 11:44:30 -04:00
• 69d82dc0c2 small comment update Elaina Claus 2025-09-05 11:43:41 -04:00
• a53534acd2 clear the carry flag before calling BIOS functions Elaina Claus 2025-09-05 10:33:42 -04:00
• c3871d2b7d move string functions to video.nasm caught a bug where SetTextMode was setting mono text not 16-color mode Elaina Claus 2025-09-05 10:33:03 -04:00
• d824493ba2 small clarification on what "unreal" mode really is Elaina Claus 2025-09-05 09:12:55 -04:00
• cb089681cf make arena_align_up use 16-bit values Elaina Claus 2025-09-05 09:12:26 -04:00
• d868008726 another oopsie from when I changed the calling convention... Elaina Claus 2025-09-05 08:43:41 -04:00
• 935427509a inital code for align_up function Nivirx 2025-09-05 08:27:56 -04:00
• f5e4927d70 add basic arena area init code Elaina Claus 2025-09-04 20:04:25 -04:00
• b106eae066 fix alignment macros Elaina Claus 2025-09-04 20:04:03 -04:00
• f2657fdc01 seems I found a /little/ oopsie in the fat32 system Elaina Claus 2025-09-04 19:59:36 -04:00
• 86d966811b prototypes for displaying some memory maps but now I need to write an arena allocator...so brb Elaina Claus 2025-09-04 17:51:52 -04:00