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/kernel/trunk/umka/umka.asm
0,0 → 1,809
; TODO: SPDX
 
format ELF
 
__DEBUG__ = 1
__DEBUG_LEVEL__ = 1
 
UMKA_SHELL = 1
UMKA_FUSE = 2
UMKA_OS = 3
 
UMKA_MEMORY_BYTES = 256 SHL 20
 
public disk_add
public disk_del
public disk_list
public disk_media_changed
 
public xfs._.user_functions as 'xfs_user_functions'
public ext_user_functions
public fat_user_functions
public ntfs_user_functions
 
public i40
 
public coverage_begin
public coverage_end
 
public sha3_256_oneshot as 'hash_oneshot'
public kos_time_to_epoch
public umka_init
 
public current_process as 'kos_current_process'
public current_slot as 'kos_current_slot'
public current_slot_idx as 'kos_current_slot_idx'
 
public thread_count as 'kos_thread_count'
public TASK_TABLE as 'kos_task_table'
public TASK_BASE as 'kos_task_base'
public TASK_DATA as 'kos_task_data'
public SLOT_BASE as 'kos_slot_base'
public window_data as 'kos_window_data'
 
public WIN_STACK as 'kos_win_stack'
public WIN_POS as 'kos_win_pos'
public lfb_base as 'kos_lfb_base'
 
public RAMDISK as 'kos_ramdisk'
public ramdisk_init as 'kos_ramdisk_init'
 
public acpi_ssdt_cnt as 'kos_acpi_ssdt_cnt'
public acpi_ssdt_base as 'kos_acpi_ssdt_base'
public acpi_ssdt_size as 'kos_acpi_ssdt_size'
 
public stack_init as 'kos_stack_init'
public net_add_device
 
public draw_data
public img_background
public mem_BACKGROUND
public sys_background
public REDRAW_BACKGROUND as 'kos_redraw_background'
public new_sys_threads as 'kos_new_sys_threads'
public osloop as 'kos_osloop'
public set_mouse_data as 'kos_set_mouse_data'
public scheduler_current as 'kos_scheduler_current'
public eth_input as 'kos_eth_input'
public net_buff_alloc as 'kos_net_buff_alloc'
 
public mem_block_list
 
public acpi_dev_data as "kos_acpi_dev_data"
public acpi_dev_size as "kos_acpi_dev_size"
public kernel_alloc as "kos_kernel_alloc"
 
public window._.set_screen as 'kos_window_set_screen'
public _display as 'kos_display'
 
public BOOT as 'kos_boot'
 
macro cli {
pushfd
bts dword[esp], 21
popfd
}
 
macro sti {
pushfd
btr dword[esp], 21
popfd
}
 
iretd equ retd
 
lang fix en
 
macro int n {
if n eq 0x40
call i40
else
int n
end if
}
 
section '.text' executable align 64
 
coverage_begin:
 
include 'macros.inc'
 
macro diff16 msg,blah2,blah3 {
if msg eq "end of .data segment"
; fasm doesn't align on 65536, but ld script does
section '.bss.aligned65k' writeable align 65536
bss_base:
end if
}
include 'proc32.inc'
include 'struct.inc'
macro BOOT_LO a {}
macro BOOT a {}
window_data equ __pew01
TASK_TABLE equ __pew02
TASK_BASE equ __pew03
TASK_DATA equ __pew04
CDDataBuf equ __pew06
idts equ __pew07
WIN_STACK equ __pew08
WIN_POS equ __pew09
FDD_BUFF equ __pew10
WIN_TEMP_XY equ __pew11
KEY_COUNT equ __pew12
KEY_BUFF equ __pew13
BTN_COUNT equ __pew14
BTN_BUFF equ __pew15
BTN_ADDR equ __pew16
MEM_AMOUNT equ __pew17
SYS_SHUTDOWN equ __pew18
SLOT_BASE equ __pew20
sys_proc equ __pew21
VGABasePtr equ __pew22
HEAP_BASE equ __pew23
;macro OS_BASE [x] {
; OS_BASE equ os_base
;}
include 'const.inc'
restore window_data
restore TASK_TABLE
restore TASK_BASE,TASK_DATA,CDDataBuf,idts,WIN_STACK,WIN_POS
restore FDD_BUFF,WIN_TEMP_XY,KEY_COUNT,KEY_BUFF,BTN_COUNT,BTN_BUFF,BTN_ADDR
restore MEM_AMOUNT,SYS_SHUTDOWN,SLOT_BASE,sys_proc,VGABasePtr
restore HEAP_BASE
purge BOOT_LO,BOOT
 
LFB_BASE = lfb_base
 
macro save_ring3_context {
pushad
}
 
macro restore_ring3_context {
popad
}
 
macro add r, v {
if v eq TASK_TABLE - (SLOT_BASE shr 3)
push r
mov r, SLOT_BASE
shr r, 3
neg r
add r, TASK_TABLE
add esp, 4
add r, [esp-4]
else
add r, v
end if
}
 
macro stdcall target, [args] {
common
if target eq is_region_userspace
cmp esp, esp ; ZF
else
stdcall target, args
end if
}
 
include 'system.inc'
include 'fdo.inc'
 
include 'core/sync.inc'
;include 'core/sys32.inc'
macro call target {
if target eq do_change_task
call _do_change_task
else
call target
end if
}
;macro mov r, v {
; if r eq byte [current_slot_idx] & v eq bh
; push eax
; mov eax, ebx
; sub eax, SLOT_BASE
; shr eax, BSF sizeof.APPDATA
; mov [current_slot_idx], eax
; pop eax
; else
; mov r, v
; end if
;}
do_change_task equ hjk
irq0 equ jhg
include 'core/sched.inc'
purge call, mov
restore irq0
include 'core/syscall.inc'
;include 'core/fpu.inc'
;include 'core/memory.inc'
;include 'core/mtrr.inc'
include 'core/heap.inc'
include 'core/malloc.inc'
include 'core/taskman.inc'
include 'core/dll.inc'
;include 'core/peload.inc'
;include 'core/exports.inc'
include 'core/string.inc'
;include 'core/v86.inc'
include 'core/irq.inc'
include 'core/apic.inc'
include 'core/hpet.inc'
include 'core/timers.inc'
include 'core/clipboard.inc'
include 'core/slab.inc'
 
include 'posix/posix.inc'
 
;include 'boot/shutdown.inc'
 
include 'video/vesa20.inc'
include 'video/blitter.inc'
include 'video/vga.inc'
include 'video/cursors.inc'
include 'video/framebuffer.inc'
 
include 'gui/window.inc'
include 'gui/event.inc'
include 'gui/font.inc'
include 'gui/button.inc'
include 'gui/mouse.inc'
include 'gui/skincode.inc'
 
include 'hid/keyboard.inc'
include 'hid/mousedrv.inc'
;include 'hid/set_dtc.inc' ; setting date,time,clock and alarm-clock
 
include 'sound/playnote.inc'
 
;include 'bus/pci/pci32.inc'
;include 'bus/usb/init.inc'
 
;include 'blkdev/flp_drv.inc' ; floppy driver
;include 'blkdev/fdc.inc'
;include 'blkdev/cd_drv.inc' ; CD driver
;include 'blkdev/ide_cache.inc' ; CD cache
;include 'blkdev/hd_drv.inc' ; HDD driver
;include 'blkdev/bd_drv.inc' ; BIOS disks driver
include 'blkdev/rd.inc' ; ramdisk driver
include 'blkdev/disk.inc'
include 'blkdev/disk_cache.inc'
 
include 'fs/fs_lfn.inc'
 
include 'network/stack.inc'
 
include 'crc.inc'
include 'unicode.inc'
include 'acpi/acpi.inc'
 
include 'unpacker.inc'
 
LIBCRASH_CTX_LEN = 0x500 ; FIXME
include 'sha3.asm'
 
; TODO: stdcall attribute in umka.h
proc sha3_256_oneshot c uses ebx esi edi ebp, _ctx, _data, _len
stdcall sha3_256.oneshot, [_ctx], [_data], [_len]
ret
endp
 
proc kos_time_to_epoch c uses ebx esi edi ebp, _time
mov esi, [_time]
call fsCalculateTime
add eax, 978307200 ; epoch to 2001.01.01
ret
endp
 
proc umka._.check_alignment
mov eax, HEAP_BASE
and eax, PAGE_SIZE - 1
jz @f
mov ecx, PAGE_SIZE
sub ecx, eax
DEBUGF 4, "HEAP_BASE must be aligned on PAGE_SIZE: 0x%x", HEAP_BASE
DEBUGF 4, ", add 0x%x or sub 0x%x\n", ecx, eax
int3
@@:
ret
endp
 
proc umka_init c uses ebx esi edi ebp
mov [umka_initialized], 1
call umka._.check_alignment
 
mov edi, endofcode
mov ecx, uglobals_size
xor eax, eax
rep stosb
 
mov [xsave_area_size], 0x1000
 
mov ecx, pg_data.mutex
call mutex_init
 
mov ecx, disk_list_mutex
call mutex_init
 
mov ecx, keyboard_list_mutex
call mutex_init
 
mov ecx, unpack_mutex
call mutex_init
 
mov ecx, application_table_mutex
call mutex_init
 
mov ecx, ide_mutex
call mutex_init
mov ecx, ide_channel1_mutex
call mutex_init
mov ecx, ide_channel2_mutex
call mutex_init
mov ecx, ide_channel3_mutex
call mutex_init
mov ecx, ide_channel4_mutex
call mutex_init
mov ecx, ide_channel5_mutex
call mutex_init
mov ecx, ide_channel6_mutex
call mutex_init
 
mov [pg_data.mem_amount], UMKA_MEMORY_BYTES
mov [pg_data.pages_count], UMKA_MEMORY_BYTES / PAGE_SIZE
mov [pg_data.pages_free], UMKA_MEMORY_BYTES / PAGE_SIZE
mov eax, UMKA_MEMORY_BYTES SHR 12
mov [pg_data.kernel_pages], eax
shr eax, 10
mov [pg_data.kernel_tables], eax
call init_kernel_heap
call init_malloc
 
mov eax, sys_proc
list_init eax
add eax, PROC.thr_list
list_init eax
 
mov [BOOT.lfb], LFB_BASE
call init_video
 
stdcall alloc_kernel_space, 0x50000 ; FIXME check size
mov [default_io_map], eax
 
add eax, 0x2000
mov [ipc_tmp], eax
mov ebx, 0x1000
 
add eax, 0x40000
mov [proc_mem_map], eax
 
add eax, 0x8000
mov [proc_mem_pdir], eax
 
add eax, ebx
mov [proc_mem_tab], eax
 
add eax, ebx
mov [tmp_task_ptab], eax
 
add eax, ebx
mov [ipc_pdir], eax
 
add eax, ebx
mov [ipc_ptab], eax
 
stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
(unpack.lc+unpack.lp)))*4
mov [unpack.p], eax
 
call init_events
mov eax, srv.fd-SRV.fd
mov [srv.fd], eax
mov [srv.bk], eax
 
stdcall kernel_alloc, [_display.win_map_size]
mov [_display.win_map], eax
 
; set background
movi eax, 1
mov [BgrDrawMode], eax
mov [BgrDataWidth], eax
mov [BgrDataHeight], eax
mov [mem_BACKGROUND], 4
mov [img_background], static_background_data
 
; set clipboard
xor eax, eax
mov [clipboard_slots], eax
mov [clipboard_write_lock], eax
stdcall kernel_alloc, 4096
test eax, eax
jnz @f
 
dec eax
@@:
mov [clipboard_main_list], eax
 
mov dword[sysdir_name], 'sys'
mov dword[sysdir_path], 'RD/1'
mov word[sysdir_path+4], 0
 
;call ramdisk_init
 
mov [X_UNDER], 500
mov [Y_UNDER], 500
mov word[MOUSE_X], 40
mov word[MOUSE_Y], 30
 
mov eax, -1
mov edi, thr_slot_map+4
mov [edi-4], dword 0xFFFFFFF8
stosd
stosd
stosd
stosd
stosd
stosd
stosd
 
mov [current_process], sys_proc
 
mov [current_slot_idx], 0
mov [thread_count], 0
 
mov eax, [xsave_area_size]
add eax, RING0_STACK_SIZE
stdcall kernel_alloc, eax
mov ebx, eax
mov edx, SLOT_BASE+256*1
call setup_os_slot
mov dword[edx], 'IDLE'
sub [edx+APPDATA.saved_esp], 4
mov eax, [edx+APPDATA.saved_esp]
mov dword[eax], idle
mov ecx, IDLE_PRIORITY
call scheduler_add_thread
 
mov eax, [xsave_area_size]
add eax, RING0_STACK_SIZE
stdcall kernel_alloc, eax
mov ebx, eax
mov edx, SLOT_BASE+256*2
call setup_os_slot
mov dword[edx], 'OS'
sub [edx+APPDATA.saved_esp], 4
mov eax, [edx+APPDATA.saved_esp]
mov dword[eax], 0
xor ecx, ecx
call scheduler_add_thread
 
mov [current_slot_idx], 2
mov [thread_count], 2
mov dword[TASK_BASE], TASK_TABLE + 2*sizeof.TASKDATA
mov [current_slot], SLOT_BASE+2*sizeof.APPDATA
mov [TASK_TABLE + 2*sizeof.TASKDATA + TASKDATA.pid], 2
 
call set_window_defaults
call init_background
call calculatebackground
call init_display
mov eax, [def_cursor]
mov [SLOT_BASE+APPDATA.cursor+sizeof.APPDATA], eax
mov [SLOT_BASE+APPDATA.cursor+sizeof.APPDATA*2], eax
 
; from set_variables
xor eax, eax
mov [BTN_ADDR], dword BUTTON_INFO ; address of button list
mov byte [KEY_COUNT], al ; keyboard buffer
mov byte [BTN_COUNT], al ; button buffer
 
mov ebx, SLOT_BASE + 2*sizeof.APPDATA
mov word[cur_dir.path], '/'
mov [ebx+APPDATA.cur_dir], cur_dir
 
ret
endp
 
public skin_udata
proc idle uses ebx esi edi
.loop:
mov ecx, 10000000
@@:
loop @b
; DEBUGF 1, "1 idle\n"
jmp .loop
 
ret
endp
 
extrn pci_read
proc pci_read_reg uses ebx esi edi
mov ecx, eax
and ecx, 3
movi edx, 1
shl edx, cl
push edx ; len
movzx edx, bl
push edx ; offset
movzx edx, bh
and edx, 7
push edx ; fun
movzx edx, bh
shr edx, 3
push edx ; dev
movzx edx, ah
push edx ; bus
call pci_read
ret
endp
 
proc sys_msg_board
cmp cl, 0x0d
jz @f
pushad
mov eax, SYS_WRITE
mov ebx, STDOUT
push ecx
mov ecx, esp
mov edx, 1
int 0x80
pop ecx
popad
@@:
ret
endp
 
proc delay_ms
 
ret
endp
 
public umka_cli
proc umka_cli
cli ; macro
ret
endp
 
public umka_sti
proc umka_sti
sti ; macro
ret
endp
 
extrn reset_procmask
extrn get_fake_if
public irq0
proc irq0 c, _signo, _info, _context
DEBUGF 2, "### irq0\n"
pushfd
cli
pushad
 
inc [timer_ticks]
call updatecputimes
ccall reset_procmask
ccall get_fake_if, [_context]
test eax, eax
jnz @f
DEBUGF 2, "### cli\n"
jmp .done
@@:
 
mov bl, SCHEDULE_ANY_PRIORITY
call find_next_task
jz .done ; if there is only one running process
call _do_change_task
.done:
popad
popfd
ret
endp
 
proc _do_change_task
mov eax, [current_slot]
sub eax, SLOT_BASE
shr eax, 8
mov ecx, ebx
sub ecx, SLOT_BASE
shr ecx, 8
DEBUGF 2, "### switching task from %d to %d\n",eax,ecx
 
mov esi, ebx
xchg esi, [current_slot]
; set new stack after saving old
mov [esi+APPDATA.saved_esp], esp
mov esp, [ebx+APPDATA.saved_esp]
ret
endp
 
proc map_io_mem _base, _size, _flags
mov eax, [_base]
ret
endp
 
sysfn_saveramdisk:
sysfn_meminfo:
check_fdd_motor_status:
check_ATAPI_device_event:
check_fdd_motor_status_has_work?:
check_ATAPI_device_event_has_work?:
request_terminate:
system_shutdown:
terminate:
LoadMedium:
clear_CD_cache:
allow_medium_removal:
EjectMedium:
save_image:
init_sys_v86:
pci_enum:
load_pe_driver:
usb_init:
fdc_init:
mtrr_validate:
protect_from_terminate:
unprotect_from_terminate:
ReadCDWRetr:
WaitUnitReady:
prevent_medium_removal:
Read_TOC:
commit_pages:
release_pages:
lock_application_table:
unlock_application_table:
get_pg_addr:
free_page:
build_interrupt_table:
init_fpu:
init_mtrr:
create_trampoline_pgmap:
alloc_page:
pci_write_reg:
 
sys_settime:
sys_pcibios:
sys_IPC:
pci_api:
sys_resize_app_memory:
f68:
v86_irq:
test_cpu:
acpi_locate:
init_BIOS32:
mem_test:
init_mem:
init_page_map:
ahci_init:
ret
 
alloc_pages:
ret 4
create_ring_buffer:
ret 8
map_page:
ret 12
map_memEx:
ret 20
 
sys_msg_board equ __pex0
delay_ms equ __pex1
 
include fix pew
macro pew x {}
macro pew x {inclu#de `x}
macro org x {}
macro format [x] {}
 
macro lea r, v {
if v eq [(ecx-(TASK_TABLE and 1FFFFFFFh)-TASKDATA.state)*8+SLOT_BASE]
int3
else if v eq [(edx-(TASK_TABLE and 1FFFFFFFh))*8+SLOT_BASE]
int3
else
lea r, v
end if
}
 
include 'kernel.asm'
 
purge lea,add,org,mov
restore lea,add,org,mov
purge sys_msg_board,delay_ms
restore sys_msg_board,delay_ms
 
coverage_end:
 
; fasm doesn't align on 65536, but ld script does
section '.data.aligned65k' writeable align 65536
public umka_tool
umka_tool dd ?
public umka_initialized
umka_initialized dd 0
fpu_owner dd ?
 
BOOT boot_data
virtual at BOOT
BOOT_LO boot_data
end virtual
 
uglobal
align 64
os_base: rb PAGE_SIZE
window_data: rb sizeof.WDATA * 256
TASK_TABLE: rb 16
TASK_BASE: rd 4
TASK_DATA: rd sizeof.TASKDATA * 255 / 4
CDDataBuf: rb 0x1000
idts rb IRQ_RESERVED * 8 ; IDT descriptor is 8 bytes long
WIN_STACK rw 0x200 ; why not 0x100?
WIN_POS rw 0x200
FDD_BUFF: rb 0x400
WIN_TEMP_XY rb 0x100
KEY_COUNT db ?
KEY_BUFF rb 255 ; 120*2 + 2*2 = 244 bytes, actually 255 bytes
BTN_COUNT db ?
BTN_BUFF rd 0x261
BTN_ADDR dd ?
MEM_AMOUNT rd 0x1d
SYS_SHUTDOWN db ?
sys_proc: rb sizeof.PROC * 256
rb 0x10000 - (($-bss_base) AND (0x10000-1)) ; align on 0x10000
SLOT_BASE: rb sizeof.APPDATA * 256
VGABasePtr rb 640*480
rb PAGE_SIZE - (($-bss_base) AND (PAGE_SIZE-1)) ; align on page
HEAP_BASE rb UMKA_MEMORY_BYTES - (HEAP_BASE - os_base + \
PAGE_SIZE * sizeof.MEM_BLOCK)
endg
 
uglobal
v86_irqhooks rd IRQ_RESERVED*2
cache_ide0 IDE_CACHE
cache_ide1 IDE_CACHE
DiskNumber db ?
ChannelNumber db ?
DevErrorCode dd ?
CDSectorAddress dd ?
CDDataBuf_pointer dd ?
allow_dma_access db ?
ide_mutex MUTEX
ide_channel1_mutex MUTEX
ide_channel2_mutex MUTEX
ide_channel3_mutex MUTEX
ide_channel4_mutex MUTEX
ide_channel5_mutex MUTEX
ide_channel6_mutex MUTEX
ide_channel7_mutex MUTEX
ide_channel8_mutex MUTEX
 
lfb_base rd MAX_SCREEN_WIDTH*MAX_SCREEN_HEIGHT
 
align 4096
cur_dir:
.encoding rb 1
.path rb maxPathLength
 
BgrAuxTable rb 32768
BgrAuxTable equ
SB16Buffer rb 65536
SB16Buffer equ
BUTTON_INFO rb 64*1024
BUTTON_INFO equ
endg
 
macro org x {
if x eq (OS_BASE+0x0100000)
else
org x
end if
}
 
macro align x {
if x eq 65536
else if x eq 4096
else
align x
end if
}
 
macro assert [x] {}
include 'data32.inc'
Property changes:
Added: svn:eol-style
+native
\ No newline at end of property