e33f010f73
added carry and divz checks across the fat32 code
...
also use the pointers we have in bss to our saved data
2024-10-16 11:58:57 -04:00
a830191547
added carry and divz checks across the fat32 code
...
also use the pointers we have in bss to our saved data
2024-10-16 11:58:57 -04:00
c9f4b18d2b
some debuging text for fat32 stuff
2024-10-15 20:37:49 -04:00
38bcd93ced
some debuging text for fat32 stuff
2024-10-15 20:37:49 -04:00
e680620148
remove some redundant reloads of si
...
use xchg to swap si/di instead of the stack
uninline ClusterToLBA call
2024-10-15 20:01:24 -04:00
f1842d0cbc
remove some redundant reloads of si
...
use xchg to swap si/di instead of the stack
uninline ClusterToLBA call
2024-10-15 20:01:24 -04:00
fb54c65caf
remove jmp short init at the start of stage2
...
also correct total size output as combined .data + .text
2024-10-15 18:33:57 -04:00
e085cbbab7
remove jmp short init at the start of stage2
...
also correct total size output as combined .data + .text
2024-10-15 18:33:57 -04:00
7f6436297e
align to 16 byte bounds and add git info to build
2024-10-15 18:28:06 -04:00
915ac4c8ae
align to 16 byte bounds and add git info to build
2024-10-15 18:28:06 -04:00
5159ef8a7c
correct size of operand in PrintDWORD
...
added some magic debug points for stuff that isn't working as well.
2024-10-15 13:32:36 -04:00
e65220fece
correct size of operand in PrintDWORD
...
added some magic debug points for stuff that isn't working as well.
2024-10-15 13:32:36 -04:00
56e8081118
magic debug before touching anything in error printer
2024-10-15 13:31:51 -04:00
6731e03e38
magic debug before touching anything in error printer
2024-10-15 13:31:51 -04:00
50b08f6b72
turn off magic debug in mbr/vbr stages
2024-10-15 13:31:32 -04:00
47a47051b2
turn off magic debug in mbr/vbr stages
2024-10-15 13:31:32 -04:00
a97e3bea9b
removed bpb_offset_bx dep
...
reworked init: process
512 byte stack...should be more than enough for the vbr
2024-10-15 12:57:54 -04:00
8e2ca06406
removed bpb_offset_bx dep
...
reworked init: process
512 byte stack...should be more than enough for the vbr
2024-10-15 12:57:54 -04:00
aa8c7b67ab
moved stack to end of bss & reduced size for now.
...
removed redzone label
reordered sp/bp setup and bss zeroing in init:
fixed kmemcpy call stack usage
2024-10-15 12:56:12 -04:00
2b9d0d9946
moved stack to end of bss & reduced size for now.
...
removed redzone label
reordered sp/bp setup and bss zeroing in init:
fixed kmemcpy call stack usage
2024-10-15 12:56:12 -04:00
b4621a7fb8
reduced stack size in mbr stage
...
removed some unused data in bss
reordered how/when in init we set sp/bp and zero bss
we now push the top of the stack pointer/bp at the top of the stack, which makes the stack frame more 'normal'
also use movsb instead of movsw
2024-10-15 12:53:22 -04:00
1ce3f67263
reduced stack size in mbr stage
...
removed some unused data in bss
reordered how/when in init we set sp/bp and zero bss
we now push the top of the stack pointer/bp at the top of the stack, which makes the stack frame more 'normal'
also use movsb instead of movsw
2024-10-15 12:53:22 -04:00
5f9567d44e
include disk signature and reserved bytes in part table struct
2024-10-15 12:51:34 -04:00
f81f358987
include disk signature and reserved bytes in part table struct
2024-10-15 12:51:34 -04:00
2020408e8d
ha ha ha, again!
2024-10-15 12:51:02 -04:00
41db11cc64
ha ha ha, again!
2024-10-15 12:51:02 -04:00
405a5ff20e
I guess wx work again on Debian Trixie?
2024-10-15 12:50:51 -04:00
fd7754bc60
I guess wx work again on Debian Trixie?
2024-10-15 12:50:51 -04:00
4660882edb
change entry points (again)
2024-10-14 17:58:43 -04:00
0f04e682df
change entry points (again)
2024-10-14 17:58:43 -04:00
f683b8fd17
16 KiB stage2
2024-10-14 17:58:30 -04:00
36fcb5faf0
16 KiB stage2
2024-10-14 17:58:30 -04:00
56c18d8457
correct drive_num argument on read_disk_raw
2024-10-14 13:18:41 -04:00
a5296bb438
correct drive_num argument on read_disk_raw
2024-10-14 13:18:41 -04:00
cfda93048b
replace text documentation with markdown
2024-10-14 10:44:44 -04:00
933cccb88e
replace text documentation with markdown
2024-10-14 10:44:44 -04:00
c49de28a15
use bochs magic breakpoints in the error printer
...
makes it easier to get a good state to do some investigating before reseting.
2024-10-13 20:53:13 -04:00
ad2d37c63b
use bochs magic breakpoints in the error printer
...
makes it easier to get a good state to do some investigating before reseting.
2024-10-13 20:53:13 -04:00
4a013b4a59
enable magic in the normal bochsrc.txt
2024-10-13 20:51:34 -04:00
f32745a7e3
enable magic in the normal bochsrc.txt
2024-10-13 20:51:34 -04:00
cd833184da
use bx addressing in read_disk_raw
2024-10-13 20:51:16 -04:00
8537d6cd5e
use bx addressing in read_disk_raw
2024-10-13 20:51:16 -04:00
7617b11199
Merge pull request #3 from Nivirx/bss-setup
...
convert MBR, VBR, & Stage2 to use a BSS section.
2024-10-13 18:05:19 -04:00
e57c2cc67d
Merge pull request #3 from Nivirx/bss-setup
...
convert MBR, VBR, & Stage2 to use a BSS section.
2024-10-13 18:05:19 -04:00
86564b2356
added partition_table and fat32_bpb params to stage2
...
also the partition table and fat32_bpb and passed/copied from the mbr/vbr now
2024-10-13 17:54:06 -04:00
e4b9c5d77f
added partition_table and fat32_bpb params to stage2
...
also the partition table and fat32_bpb and passed/copied from the mbr/vbr now
2024-10-13 17:54:06 -04:00
5ba7801926
bss for vbr stage
2024-10-13 17:52:28 -04:00
e3a646675f
bss for vbr stage
2024-10-13 17:52:28 -04:00
35e9aec059
fixed bss init in mbr
2024-10-13 17:52:09 -04:00
9d33469e32
fixed bss init in mbr
2024-10-13 17:52:09 -04:00
