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

translate russian comments to english, no code changes

Browse Source 
git-svn-id: svn://kolibrios.org@8050 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Rustem Gimadutdinov (rgimad) 2020-07-14 15:53:12 +00:00
parent 5538b5c245
commit 4689014eb5
1 changed files with 33 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
kernel/trunk/core/sys32.inc
View File

@ -14,18 +14,18 @@ build_interrupt_table:
mov ecx, 0x40 mov ecx, 0x40
mov eax, (10001110b shl 24) + os_code mov eax, (10001110b shl 24) + os_code
@@: @@:
movsw ;low word of code-entry movsw ; low word of code-entry
stosd ;interrupt gate type : os_code selector stosd ; interrupt gate type : os_code selector
movsw ;high word of code-entry movsw ; high word of code-entry
loop @b loop @b
movsd ;copy low dword of trap gate for int 0x40 movsd ; copy low dword of trap gate for int 0x40
movsd ;copy high dword of trap gate for int 0x40 movsd ; copy high dword of trap gate for int 0x40
mov ecx, 23 mov ecx, 23
mov eax, (10001110b shl 24) + os_code mov eax, (10001110b shl 24) + os_code
@@: @@:
movsw ;low word of code-entry movsw ; low word of code-entry
stosd ;interrupt gate type : os_code selector stosd ; interrupt gate type : os_code selector
movsw ;high word of code-entry movsw ; high word of code-entry
loop @b loop @b
lidt [esi] lidt [esi]
ret ret
@ -33,13 +33,13 @@ build_interrupt_table:
iglobal iglobal
align 4 align 4
sys_int: sys_int:
;exception handlers addresses (for interrupt gate construction) ; exception handlers addresses (for interrupt gate construction)
dd e0,e1,e2,e3,e4,e5,e6,except_7 ; SEE: core/fpu.inc dd e0,e1,e2,e3,e4,e5,e6,except_7 ; SEE: core/fpu.inc
dd e8,e9,e10,e11,e12,e13,page_fault_exc,e15 dd e8,e9,e10,e11,e12,e13,page_fault_exc,e15
dd e16, e17,e18, e19 dd e16, e17,e18, e19
times 12 dd unknown_interrupt ;int_20..int_31 times 12 dd unknown_interrupt ;int_20..int_31
;interrupt handlers addresses (for interrupt gate construction) ; interrupt handlers addresses (for interrupt gate construction)
; 0x20+ are IRQ handlers ; 0x20+ are IRQ handlers
dd irq0 dd irq0
rept 12 irqn:1 \{dd irq_serv.irq_\#irqn\} rept 12 irqn:1 \{dd irq_serv.irq_\#irqn\}
@ -53,8 +53,8 @@ iglobal
idtreg: ; data for LIDT instruction (!!! must be immediately below sys_int data) idtreg: ; data for LIDT instruction (!!! must be immediately below sys_int data)
dw 2*($-sys_int-4)-1 dw 2*($-sys_int-4)-1
dd idts ;0x8000B100 dd idts ; 0x8000B100
dw 0 ;alignment dw 0 ; alignment
msg_fault_sel dd msg_exc_8,msg_exc_u,msg_exc_a,msg_exc_b msg_fault_sel dd msg_exc_8,msg_exc_u,msg_exc_a,msg_exc_b
dd msg_exc_c,msg_exc_d,msg_exc_e,msg_exc_u dd msg_exc_c,msg_exc_d,msg_exc_e,msg_exc_u
@ -104,19 +104,19 @@ uglobal
pf_err_code dd ? pf_err_code dd ?
endg endg
page_fault_exc: ; дуракоусточивость: селекторы испорчены... page_fault_exc: ; foolproof: selectors are clobbered ...
pop [ss:pf_err_code]; действительно до следующего #PF pop [ss:pf_err_code] ; actually, until the next #PF
save_ring3_context save_ring3_context
mov bl, 14 mov bl, 14
exc_c: ; исключения (все, кроме 7-го - #NM) exc_c: ; exceptions (all but 7th - #NM)
; Фрэйм стека при исключении/прерывании из 3-го кольца + pushad (т.е., именно здесь) ; stack frame when exception/interrupt from ring3 + pushad (i.e right here)
reg_ss equ esp+0x30 reg_ss equ esp+0x30
reg_esp3 equ esp+0x2C reg_esp3 equ esp+0x2C
reg_eflags equ esp+0x28 reg_eflags equ esp+0x28
reg_cs3 equ esp+0x24 reg_cs3 equ esp+0x24
reg_eip equ esp+0x20 reg_eip equ esp+0x20
; это фрэйм от pushad ; this if frame from pushad
reg_eax equ esp+0x1C reg_eax equ esp+0x1C
reg_ecx equ esp+0x18 reg_ecx equ esp+0x18
reg_edx equ esp+0x14 reg_edx equ esp+0x14
@ -126,15 +126,15 @@ exc_c: ; исключения (все, кроме 7-г
reg_esi equ esp+0x04 reg_esi equ esp+0x04
reg_edi equ esp+0x00 reg_edi equ esp+0x00
mov ax, app_data ;исключение mov ax, app_data ; exception
mov ds, ax ;загрузим правильные значения mov ds, ax ; load proper values
mov es, ax ;в регистры mov es, ax ; to registers
cld ; и приводим DF к стандарту cld ; clear the destination flag
movzx ebx, bl movzx ebx, bl
; redirect to V86 manager? (EFLAGS & 0x20000) != 0? ; redirect to V86 manager? (EFLAGS & 0x20000) != 0?
test byte[reg_eflags+2], 2 test byte[reg_eflags+2], 2
jnz v86_exc_c jnz v86_exc_c
cmp bl, 14 ; #PF cmp bl, 14 ; #PF
jne @f jne @f
call page_fault_handler ; SEE: core/memory.inc call page_fault_handler ; SEE: core/memory.inc
@@: @@:
@ -303,12 +303,12 @@ show_error_parameters:
shr ecx, 10 shr ecx, 10
mov edx, [master_tab+ecx*4] mov edx, [master_tab+ecx*4]
test edx, PG_READ test edx, PG_READ
jz .fail ;page table is not created jz .fail ; page table is not created
;incorrect address in the program ; incorrect address in the program
mov eax, [page_tabs+ebx*4] mov eax, [page_tabs+ebx*4]
test eax, 2 test eax, 2
jz .fail ;address not reserved for use. error jz .fail ; address not reserved for use. error
pop ebx pop ebx
xor eax, eax xor eax, eax
@ -365,17 +365,15 @@ unlock_application_table:
ret ret
; * eax = 64 - номер функции ; sysfn 64 implementation
; * ebx = 1 - единственная подфункция
; * ecx = новый размер памяти
;Возвращаемое значение:
; * eax = 0 - успешно
; * eax = 1 - недостаточно памяти
align 4 align 4
sys_resize_app_memory: sys_resize_app_memory:
; ebx = 1 - resize ; in: eax = 64 - function number
; ecx = new amount of memory ; ebx = 1 - number of its only subfunction
; ecx = new amount of memory
; out:
; eax = 0 - success
; eax = 1 - out of memory
; cmp eax,1 ; cmp eax,1
dec ebx dec ebx
@ -446,7 +444,7 @@ destroy_thread:
mov ecx, [esi+8] mov ecx, [esi+8]
mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx
.nov86: .nov86:
;destroy per-thread kernel objects ; destroy per-thread kernel objects
mov esi, [.slot] mov esi, [.slot]
shl esi, 8 shl esi, 8
add esi, SLOT_BASE+APP_OBJ_OFFSET add esi, SLOT_BASE+APP_OBJ_OFFSET