KolibriOS/kolibrios
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system starts faster (minus 250 milliseconds)

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git-svn-id: svn://kolibrios.org@2425 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Artem Jerdev (art_zh) 2012-03-01 01:22:24 +00:00
parent 085a190723
commit c1e1e0ac8a
2 changed files with 40 additions and 48 deletions
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9
kernel/branches/Kolibri-A/trunk/init.inc
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@ -51,8 +51,8 @@ preinit_mem:
; ======================================================================
align 4
proc init_mem
init_mem:
mov ecx, 0xC001001A ; Top of Memory MSR
xor edi, edi
rdmsr
@ -128,11 +128,8 @@ proc init_mem
lea esi, [edi+(OS_BASE shr 20)]
movsd
movsd
ret
endp
align 4
proc init_page_map
init_page_map:
; mark all memory as available
mov edi, sys_pgmap-OS_BASE
mov ecx, [pg_data.pagemap_size-OS_BASE]
@ -170,7 +167,7 @@ proc init_page_map
mov [pg_data.pg_mutex-OS_BASE], 0
ret
endp
align 4

75
kernel/branches/Kolibri-A/trunk/kernel.asm
View File

@ -233,7 +233,6 @@ end if
; MEMORY MODEL
call init_mem ; (init.inc)
call init_page_map ; (init.inc)
; ENABLE PAGING
@ -681,32 +680,45 @@ include 'vmodeld.inc'
mov [SLOT_BASE+APPDATA.cursor+256],eax
; READ TSC / SECOND
; READ TSC / SECOND == Fusion only!
; mov esi,boot_tsc
; call boot_log
cli
rdtsc ;call _rdtsc
mov ecx,eax
mov esi,250 ; wait 1/4 a second
call delay_ms
rdtsc ;call _rdtsc
mov edx, PCIe_CONFIG_SPACE + 0xE0
mov eax, 0x013080F0 ; BIOS timer reg.
mov [edx], eax
add dl, 4
mov edi, edx
mov eax, [edi] ; old microseconds
inc eax ; next precise microsecond
mov esi, eax
@@:
mov eax, [edi]
cmp eax, esi
jne @b
rdtsc
mov ebp, eax ; clockmark
add esi, 20 ; wait 20us
@@:
mov eax, [edi]
cmp eax, esi
jne @b
rdtsc
sub eax, ebp
mov ebx, 50000
mul ebx ; clks per second
sti
sub eax,ecx
shl eax,2
mov [CPU_FREQ],eax ; save tsc / sec
; mov ebx, 1000000
; div ebx
; faster division possible:
mov edx, 2251799814
mul edx
shr edx, 19
mov [stall_mcs], edx
mov ebx, 1000000
div ebx
mov [stall_mcs], eax
; PRINT CPU FREQUENCY
mov esi, boot_cpufreq
call boot_log
mov ebx, edx
mov ebx, eax
movzx ecx, word [boot_y]
add ecx, (10+17*6) shl 16 - 10 ; 'CPU frequency is '
mov edx, 0xFFFFFF
@ -721,13 +733,8 @@ include 'vmodeld.inc'
; SET MOUSE
;call detect_devices
stdcall load_driver, szPS2MDriver
; mov esi,boot_setmouse
; call boot_log
; call setmouse
; mov [MOUSE_PICTURE],dword mousepointer
cli
; STACK AND FDC
@ -804,12 +811,6 @@ first_app_found:
and al,00000010b
loopnz @b
; mov al, 0xED ; svetodiody - only for testing!
; call kb_write
; call kb_read
; mov al, 111b
; call kb_write
; call kb_read
mov al, 0xF3 ; set repeat rate & delay
call kb_write
@ -825,15 +826,6 @@ first_app_found:
; START MULTITASKING
;if preboot_blogesc
; mov esi, boot_tasking
; call boot_log
;.bll1: in al, 0x60 ; wait for ESC key press
; cmp al, 129
; jne .bll1
;end if
stdcall attach_int_handler, 1, irq1, 0
cmp [IDEContrRegsBaseAddr], 0
@ -845,9 +837,12 @@ first_app_found:
jmp osloop ; Fly :)
diff16 "init code end: ",0,$
diff16 "init code end ",0,$
unpacker_inc:
include 'unpacker.inc'
diff16 "unpacker code ",unpacker_inc,$
include 'fdo.inc'
align 4