arnavbhatt288/kolibrios
1
0
Fork 0
forked from KolibriOS/kolibrios
Code Pull Requests Activity

fix direct I/O access broken in r3534

Browse Source 
git-svn-id: svn://kolibrios.org@3535 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
CleverMouse 2013-05-27 13:05:53 +00:00
parent f059bc06d5
commit bd6a09fefc
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
kernel/trunk/kernel.asm
View File

@ -512,12 +512,8 @@ no_mode_0x12:
stdcall alloc_page stdcall alloc_page
stdcall map_page, tss-0xF80, eax, PG_SW stdcall map_page, tss-0xF80, eax, PG_SW
stdcall alloc_page stdcall alloc_page
inc eax
mov [SLOT_BASE+256+APPDATA.io_map], eax
stdcall map_page, tss+0x80, eax, PG_SW stdcall map_page, tss+0x80, eax, PG_SW
stdcall alloc_page stdcall alloc_page
inc eax
mov dword [SLOT_BASE+256+APPDATA.io_map+4], eax
stdcall map_page, tss+0x1080, eax, PG_SW stdcall map_page, tss+0x1080, eax, PG_SW
; LOAD IDT ; LOAD IDT
@ -1080,6 +1076,15 @@ proc setup_os_slot
mov edi, edx mov edi, edx
rep stosd rep stosd
mov eax, tss+0x80
call get_pg_addr
inc eax
mov [edx+APPDATA.io_map], eax
mov eax, tss+0x1080
call get_pg_addr
inc eax
mov [edx+APPDATA.io_map+4], eax
mov dword [edx+APPDATA.pl0_stack], ebx mov dword [edx+APPDATA.pl0_stack], ebx
lea edi, [ebx+0x2000-512] lea edi, [ebx+0x2000-512]
mov dword [edx+APPDATA.fpu_state], edi mov dword [edx+APPDATA.fpu_state], edi