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[KERNEL] cleaned code and added description of some functions

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git-svn-id: svn://kolibrios.org@9911 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Doczom
2023-04-09 18:19:13 +00:00
parent cf0e9867b0
commit 7028e04565
8 changed files with 483 additions and 400 deletions
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482
kernel/trunk/kernel.asm
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@@ -1073,14 +1073,11 @@ if preboot_blogesc
end if
mov [timer_ticks_enable], 1 ; for cd driver
sti
call mtrr_validate
jmp osloop
; Fly :)
uglobal
@@ -1266,13 +1263,13 @@ idle_thread:
; Beware. Don't do anything here. Anything at all.
idle_loop:
cmp [use_mwait_for_idle], 0
jnz idle_loop_mwait
jnz .mwait
idle_loop_hlt:
.hlt:
hlt
jmp idle_loop_hlt
jmp .hlt
idle_loop_mwait:
.mwait:
mov eax, idle_addr
xor ecx, ecx
xor edx, edx
@@ -1280,7 +1277,7 @@ idle_loop_mwait:
xor ecx, ecx
mov eax, 20h ; or 10h
mwait
jmp idle_loop_mwait
jmp .mwait
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -1334,9 +1331,9 @@ endg
set_variables:
mov ecx, 0x16 ; flush port 0x60
.fl60:
@@:
in al, 0x60
loop .fl60
loop @b
push eax
mov ax, [BOOT.y_res]
@@ -1403,30 +1400,31 @@ display_number_force:
and eax, 0x3fffffff
cmp eax, 0xffff ; length > 0 ?
pop eax
jge cont_displ
jge .cont_displ
ret
cont_displ:
.cont_displ:
push eax
and eax, 0x3fffffff
cmp eax, 61*0x10000 ; length <= 60 ?
pop eax
jb cont_displ2
jb .cont_displ2
ret
cont_displ2:
.cont_displ2:
pushad
cmp al, 1 ; ecx is a pointer ?
jne displnl1
jne @f
mov ebp, ebx
add ebp, 4
mov ebp, [ebp + std_application_base_address]
mov ebx, [ebx + std_application_base_address]
displnl1:
mov ebp, [ebp] ;[ebp + std_application_base_address]
mov ebx, [ebx] ;[ebx + std_application_base_address]
@@:
sub esp, 64
test ah, ah ; DECIMAL
jnz no_display_desnum
jnz .no_display_desnum
shr eax, 16
and eax, 0xC03f
; and eax,0x3f
@@ -1437,24 +1435,26 @@ display_number_force:
mov ecx, eax
mov eax, ebx
mov ebx, 10
d_desnum:
@@:
xor edx, edx
call division_64_bits
div ebx
add dl, 48
mov [edi], dl
dec edi
loop d_desnum
loop @b
pop eax
call normalize_number
call draw_num_text
add esp, 64
popad
ret
no_display_desnum:
.no_display_desnum:
cmp ah, 0x01 ; HEXADECIMAL
jne no_display_hexnum
jne .no_display_hexnum
shr eax, 16
and eax, 0xC03f
; and eax,0x3f
@@ -1465,26 +1465,28 @@ display_number_force:
mov ecx, eax
mov eax, ebx
mov ebx, 16
d_hexnum:
@@:
xor edx, edx
call division_64_bits
div ebx
hexletters = __fdo_hexdigits
add edx, hexletters
;hexletters = __fdo_hexdigits
add edx, __fdo_hexdigits ;hexletters
mov dl, [edx]
mov [edi], dl
dec edi
loop d_hexnum
loop @b
pop eax
call normalize_number
call draw_num_text
add esp, 64
popad
ret
no_display_hexnum:
.no_display_hexnum:
cmp ah, 0x02 ; BINARY
jne no_display_binnum
jne .no_display_binnum
shr eax, 16
and eax, 0xC03f
; and eax,0x3f
@@ -1495,21 +1497,22 @@ display_number_force:
mov ecx, eax
mov eax, ebx
mov ebx, 2
d_binnum:
@@:
xor edx, edx
call division_64_bits
div ebx
add dl, 48
mov [edi], dl
dec edi
loop d_binnum
loop @b
pop eax
call normalize_number
call draw_num_text
add esp, 64
popad
ret
no_display_binnum:
.no_display_binnum:
add esp, 64
popad
@@ -1572,10 +1575,6 @@ draw_num_text:
@@:
jmp dtext
;-----------------------------------------------------------------------------
iglobal
midi_base dw 0
endg
;-----------------------------------------------------------------------------
align 4
sys_setup:
; 1 = roland mpu midi base , base io address
@@ -1809,8 +1808,60 @@ get_timer_ticks:
mov eax, [timer_ticks]
ret
;-----------------------------------------------------------------------------
iglobal
midi_base dw 0
endg
is_input:
align 4
sys_midi:
cmp word [mididp], 0
jnz @f
mov [esp + SYSCALL_STACK.eax], 1
ret
@@:
and [esp + SYSCALL_STACK.eax], 0
dec ebx
jnz .smn1
; call setuart
@@:
call .is_output
test al, al
jnz @b
mov dx, word [midisp]
mov al, 0xff
out dx, al
@@:
mov dx, word [midisp]
mov al, 0xff
out dx, al
call .is_input
test al, al
jnz @b
call .get_mpu_in
cmp al, 0xfe
jnz @b
@@:
call .is_output
test al, al
jnz @b
mov dx, word [midisp]
mov al, 0x3f
out dx, al
ret
.smn1:
dec ebx
jnz .ret
@@:
call .get_mpu_in
call .is_output
test al, al
jnz @b
mov al, bl
call .put_mpu_out
.ret:
ret
.is_input:
push edx
mov dx, word [midisp]
in al, dx
@@ -1818,7 +1869,7 @@ is_input:
pop edx
ret
is_output:
.is_output:
push edx
mov dx, word [midisp]
in al, dx
@@ -1826,71 +1877,22 @@ is_output:
pop edx
ret
get_mpu_in:
.get_mpu_in:
push edx
mov dx, word [mididp]
in al, dx
pop edx
ret
put_mpu_out:
.put_mpu_out:
push edx
mov dx, word [mididp]
out dx, al
pop edx
ret
align 4
sys_midi:
cmp [mididp], 0
jnz sm0
mov [esp+36], dword 1
ret
sm0:
and [esp+36], dword 0
dec ebx
jnz smn1
; call setuart
su1:
call is_output
test al, al
jnz su1
mov dx, word [midisp]
mov al, 0xff
out dx, al
su2:
mov dx, word [midisp]
mov al, 0xff
out dx, al
call is_input
test al, al
jnz su2
call get_mpu_in
cmp al, 0xfe
jnz su2
su3:
call is_output
test al, al
jnz su3
mov dx, word [midisp]
mov al, 0x3f
out dx, al
ret
smn1:
dec ebx
jnz smn2
sm10:
call get_mpu_in
call is_output
test al, al
jnz sm10
mov al, bl
call put_mpu_out
smn2:
ret
;-----------------------------------------------------------------------------
sys_end:
;--------------------------------------
cmp [_display.select_cursor], 0
je @f
; restore default cursor before killing
@@ -2028,6 +2030,7 @@ sysfn_terminate: ; 18.2 = TERMINATE
mov eax, [thread_count]
shl ecx, BSF sizeof.APPDATA
add ecx, SLOT_BASE
mov edx, [ecx + APPDATA.tid]
cmp byte [ecx + APPDATA.state], TSTATE_FREE
jz .noprocessterminate
@@ -2054,7 +2057,7 @@ sysfn_terminate: ; 18.2 = TERMINATE
; restore default cursor before killing
pusha
mov ecx, [esp+32]
shl ecx, 8
shl ecx, BSF sizeof.APPDATA
add ecx, SLOT_BASE
mov eax, [def_cursor]
cmp [ecx + APPDATA.cursor], eax
@@ -2078,8 +2081,6 @@ sysfn_terminate: ; 18.2 = TERMINATE
ret
;------------------------------------------------------------------------------
sysfn_terminate2:
;lock application_table_status mutex
.table_status:
call lock_application_table
mov eax, ecx
call pid_to_slot
@@ -2247,16 +2248,16 @@ sysfn_getactive: ; 18.7 = get active window
sysfn_sound_flag: ; 18.8 = get/set sound_flag
; cmp ecx,1
dec ecx
jnz nogetsoundflag
jnz .set_flag
movzx eax, byte [sound_flag]; get sound_flag
mov [esp + SYSCALL_STACK.eax], eax
ret
nogetsoundflag:
.set_flag:
; cmp ecx,2
dec ecx
jnz nosoundflag
jnz .err
xor byte [sound_flag], 1
nosoundflag:
.err:
ret
;------------------------------------------------------------------------------
sysfn_minimize: ; 18.10 = minimize window
@@ -2294,13 +2295,12 @@ sysfn_getversion: ; 18.13 = get kernel ID and version
ret
;------------------------------------------------------------------------------
sysfn_waitretrace: ; 18.14 = sys wait retrace
;wait retrace functions
sys_wait_retrace:
;wait retrace functions
mov edx, 0x3da
WaitRetrace_loop:
.loop:
in al, dx
test al, 1000b
jz WaitRetrace_loop
jz .loop
and [esp + SYSCALL_STACK.eax], dword 0
ret
;------------------------------------------------------------------------------
@@ -2490,84 +2490,6 @@ sys_cachetodiskette:
mov [esp + SYSCALL_STACK.eax], dword 1
ret
;------------------------------------------------------------------------------
align 4
sys_getkey:
mov [esp + SYSCALL_STACK.eax], dword 1
; test main buffer
mov ebx, [current_slot_idx] ; TOP OF WINDOW STACK
movzx ecx, word [WIN_STACK + ebx * 2]
mov edx, [thread_count]
cmp ecx, edx
jne .finish
cmp [KEY_COUNT], byte 0
je .finish
movzx ax, byte [KEY_BUFF + 120 + 2]
shl eax, 8
mov al, byte [KEY_BUFF]
shl eax, 8
push eax
dec byte [KEY_COUNT]
and byte [KEY_COUNT], 127
movzx ecx, byte [KEY_COUNT]
add ecx, 2
mov eax, KEY_BUFF + 1
mov ebx, KEY_BUFF
call memmove
add eax, 120 + 2
add ebx, 120 + 2
call memmove
pop eax
;--------------------------------------
align 4
.ret_eax:
mov [esp + SYSCALL_STACK.eax], eax
ret
;--------------------------------------
align 4
.finish:
; test hotkeys buffer
mov ecx, hotkey_buffer
;--------------------------------------
align 4
@@:
cmp [ecx], ebx
jz .found
add ecx, 8
cmp ecx, hotkey_buffer + 120 * 8
jb @b
ret
;--------------------------------------
align 4
.found:
mov ax, [ecx + 6]
shl eax, 16
mov ah, [ecx + 4]
mov al, 2
and dword [ecx + 4], 0
and dword [ecx], 0
jmp .ret_eax
;------------------------------------------------------------------------------
align 4
sys_getbutton:
mov ebx, [current_slot_idx] ; TOP OF WINDOW STACK
mov [esp + SYSCALL_STACK.eax], dword 1
movzx ecx, word [WIN_STACK + ebx * 2]
mov edx, [thread_count] ; less than 256 processes
cmp ecx, edx
jne .exit
movzx eax, byte [BTN_COUNT]
test eax, eax
jz .exit
mov eax, [BTN_BUFF]
and al, 0xFE ; delete left button bit
mov [BTN_COUNT], byte 0
mov [esp + SYSCALL_STACK.eax], eax
;--------------------------------------
align 4
.exit:
ret
;------------------------------------------------------------------------------
align 4
sys_cpuusage:
@@ -3308,7 +3230,7 @@ calculatebackground: ; background
mov ecx, [_display.win_map_size]
shr ecx, 2
rep stosd
mov byte[window_data + 32 + WDATA.z_modif], ZPOS_DESKTOP
mov byte[window_data + sizeof.WDATA + WDATA.z_modif], ZPOS_DESKTOP
mov [REDRAW_BACKGROUND], 0
ret
;-----------------------------------------------------------------------------
@@ -4037,41 +3959,6 @@ putimage_get16bpp:
; call [draw_pointer]
; ret
;-----------------------------------------------------------------------------
align 4
kb_write_wait_ack:
push ecx edx
mov dl, al
mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
.wait_output_ready:
in al, 0x64
test al, 2
jz @f
loop .wait_output_ready
mov ah, 1
jmp .nothing
@@:
mov al, dl
out 0x60, al
mov ecx, 0xfffff; last 0xffff, new value in view of fast CPU's
.wait_ack:
in al, 0x64
test al, 1
jnz @f
loop .wait_ack
mov ah, 1
jmp .nothing
@@:
in al, 0x60
xor ah, ah
.nothing:
pop edx ecx
ret
;-----------------------------------------------------------------------------
if used _rdtsc
_rdtsc:
bt [cpu_caps], CAPS_TSC
@@ -4241,153 +4128,6 @@ end if
mov [esp + SYSCALL_STACK.ebx], 1
ret
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 66 sys function. ;;
;; in eax=66,ebx in [0..5],ecx,edx ;;
;; out eax ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
iglobal
align 4
f66call:
dd sys_process_def.1 ; 1 = set keyboard mode
dd sys_process_def.2 ; 2 = get keyboard mode
dd sys_process_def.3 ; 3 = get keyboard ctrl, alt, shift
dd sys_process_def.4 ; 4 = set system-wide hotkey
dd sys_process_def.5 ; 5 = delete installed hotkey
dd sys_process_def.6 ; 6 = disable input, work only hotkeys
dd sys_process_def.7 ; 7 = enable input, opposition to f.66.6
endg
;-----------------------------------------------------------------------------
align 4
sys_process_def:
dec ebx
cmp ebx, 7
jae .not_support ;if >=8 then or eax,-1
mov edi, [current_slot]
jmp dword [f66call + ebx*4]
.not_support:
or [esp + SYSCALL_STACK.eax], -1
ret
;-----------------------------------------------------------------------------
align 4
.1:
mov [edi + APPDATA.keyboard_mode], cl
ret
;-----------------------------------------------------------------------------
align 4
.2: ; 2 = get keyboard mode
movzx eax, byte [edi + APPDATA.keyboard_mode]
mov [esp + SYSCALL_STACK.eax], eax
ret
;-----------------------------------------------------------------------------
align 4
.3: ;3 = get keyboard ctrl, alt, shift
mov eax, [kb_state]
mov [esp + SYSCALL_STACK.eax], eax
ret
;-----------------------------------------------------------------------------
align 4
.4:
mov edi, [current_slot_idx]
mov eax, hotkey_list
@@:
cmp dword [eax + 8], 0
jz .found_free
add eax, 16
cmp eax, hotkey_list+16*256
jb @b
mov dword [esp + SYSCALL_STACK.eax], 1
ret
.found_free:
mov [eax + 8], edi
mov [eax + 4], edx
movzx ecx, cl
lea ecx, [hotkey_scancodes+ecx*4]
mov edx, [ecx]
mov [eax], edx
mov [ecx], eax
mov [eax + 12], ecx
test edx, edx
jz @f
mov [edx + 12], eax
@@:
and dword [esp + SYSCALL_STACK.eax], 0
ret
;-----------------------------------------------------------------------------
align 4
.5:
mov edi, [current_slot_idx]
movzx ebx, cl
lea ebx, [hotkey_scancodes+ebx*4]
mov eax, [ebx]
.scan:
test eax, eax
jz .notfound
cmp [eax + 8], edi
jnz .next
cmp [eax + 4], edx
jz .found
.next:
mov eax, [eax]
jmp .scan
.notfound:
mov dword [esp + SYSCALL_STACK.eax], 1
ret
.found:
mov ecx, [eax]
jecxz @f
mov edx, [eax + 12]
mov [ecx + 12], edx
@@:
mov ecx, [eax + 12]
mov edx, [eax]
mov [ecx], edx
xor edx, edx
mov [eax + 4], edx
mov [eax + 8], edx
mov [eax + 12], edx
mov [eax], edx
mov [esp + SYSCALL_STACK.eax], edx
ret
;-----------------------------------------------------------------------------
align 4
.6:
pushfd
cli
mov eax, [PID_lock_input]
test eax, eax
jnz @f
; get current PID
mov eax, [current_slot]
mov eax, [eax + APPDATA.tid]
; set current PID for lock input
mov [PID_lock_input], eax
@@:
popfd
ret
;-----------------------------------------------------------------------------
align 4
.7:
mov eax, [PID_lock_input]
test eax, eax
jz @f
; get current PID
mov ebx, [current_slot]
mov ebx, [ebx + APPDATA.tid]
; compare current lock input with current PID
cmp ebx, eax
jne @f
xor eax, eax
mov [PID_lock_input], eax
@@:
ret
;-----------------------------------------------------------------------------
uglobal
PID_lock_input dd 0x0
endg
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 61 sys function. ;;
;; in eax=61,ebx in [1..3] ;;
@@ -4737,7 +4477,7 @@ sys_apm:
inc eax
or dword [esp + 44], eax ; error
add eax, 7
mov dword [esp + 32], eax ; 32-bit protected-mode interface not supported
mov dword [esp + SYSCALL_STACK.eax], eax ; 32-bit protected-mode interface not supported
ret
@@:
@@ -4748,9 +4488,9 @@ sys_apm:
ja @f
and [esp + 44], byte 0xfe ; emulate func 0..3 as func 0
mov eax, [apm_vf]
mov [esp + 32], eax
mov [esp + SYSCALL_STACK.eax], eax
shr eax, 16
mov [esp + 28], eax
mov [esp + SYSCALL_STACK.ecx], eax
ret
@@:
@@ -4769,12 +4509,12 @@ sys_apm:
mov cr3, eax
pop eax
mov [esp + 4 ], edi
mov [esp + 8], esi
mov [esp + 20], ebx
mov [esp + 24], edx
mov [esp + 28], ecx
mov [esp + 32], eax
mov [esp + SYSCALL_STACK.edi], edi
mov [esp + SYSCALL_STACK.esi], esi
mov [esp + SYSCALL_STACK.ebx], ebx
mov [esp + SYSCALL_STACK.edx], edx
mov [esp + SYSCALL_STACK.ecx], ecx
mov [esp + SYSCALL_STACK.eax], eax
setc al
and [esp + 44], byte 0xfe
or [esp + 44], al