332 lines
8.7 KiB
PHP
332 lines
8.7 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ;;
|
||
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
|
||
;; Distributed under terms of the GNU General Public License ;;
|
||
;; ;;
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
$Revision$
|
||
|
||
|
||
MEM_WB equ 6 ;write-back memory
|
||
MEM_WC equ 1 ;write combined memory
|
||
MEM_UC equ 0 ;uncached memory
|
||
|
||
align 4
|
||
proc mem_test
|
||
|
||
mov eax, cr0
|
||
and eax, not (CR0_CD+CR0_NW)
|
||
or eax, CR0_CD ;disable caching
|
||
mov cr0, eax
|
||
wbinvd ;invalidate cache
|
||
|
||
xor edi, edi
|
||
mov ebx, 'TEST'
|
||
@@:
|
||
add edi, 0x100000
|
||
xchg ebx, dword [edi]
|
||
cmp dword [edi], 'TEST'
|
||
xchg ebx, dword [edi]
|
||
je @b
|
||
mov [MEM_AMOUNT-OS_BASE], edi
|
||
|
||
and eax, not (CR0_CD+CR0_NW) ;enable caching
|
||
mov cr0, eax
|
||
mov eax, edi
|
||
ret
|
||
endp
|
||
|
||
align 4
|
||
proc init_mem
|
||
mov eax, [MEM_AMOUNT-OS_BASE]
|
||
mov [pg_data.mem_amount-OS_BASE], eax
|
||
|
||
shr eax, 12
|
||
mov edx, eax
|
||
mov [pg_data.pages_count-OS_BASE], eax
|
||
shr eax, 3
|
||
mov [pg_data.pagemap_size-OS_BASE], eax
|
||
|
||
add eax, (sys_pgmap-OS_BASE)+4095
|
||
and eax, not 4095
|
||
mov [tmp_page_tabs], eax
|
||
|
||
cmp edx, (OS_BASE/4096)
|
||
jbe @F
|
||
mov edx, (OS_BASE/4096)
|
||
jmp .set
|
||
@@:
|
||
cmp edx, (HEAP_MIN_SIZE/4096)
|
||
jae .set
|
||
mov edx, (HEAP_MIN_SIZE/4096)
|
||
.set:
|
||
mov [pg_data.kernel_pages-OS_BASE], edx
|
||
shr edx, 10
|
||
mov [pg_data.kernel_tables-OS_BASE], edx
|
||
|
||
xor eax, eax
|
||
mov edi, sys_pgdir-OS_BASE
|
||
mov ecx, 4096/4
|
||
cld
|
||
rep stosd
|
||
|
||
mov edx, (sys_pgdir-OS_BASE)+ 0x800; (OS_BASE shr 20)
|
||
bt [cpu_caps-OS_BASE], CAPS_PSE
|
||
jnc .no_PSE
|
||
|
||
mov ebx, cr4
|
||
or ebx, CR4_PSE
|
||
mov eax, PG_LARGE+PG_SW
|
||
mov cr4, ebx
|
||
dec [pg_data.kernel_tables-OS_BASE]
|
||
|
||
mov [edx], eax
|
||
add eax, 0x00400000
|
||
add edx, 4
|
||
|
||
mov eax, 0x400000+PG_SW
|
||
mov ecx, [tmp_page_tabs]
|
||
sub ecx, 0x400000
|
||
shr ecx, 12 ;ecx/=4096
|
||
jmp .map_low
|
||
.no_PSE:
|
||
mov eax, PG_SW
|
||
mov ecx, [tmp_page_tabs]
|
||
shr ecx, 12
|
||
.map_low:
|
||
mov edi, [tmp_page_tabs]
|
||
@@: ;
|
||
stosd
|
||
add eax, 0x1000
|
||
dec ecx
|
||
jnz @B
|
||
|
||
mov ecx, [pg_data.kernel_tables-OS_BASE]
|
||
shl ecx, 10
|
||
xor eax, eax
|
||
rep stosd
|
||
|
||
mov ecx, [pg_data.kernel_tables-OS_BASE]
|
||
mov eax, [tmp_page_tabs]
|
||
or eax, PG_SW
|
||
mov edi, edx
|
||
|
||
.map_kernel_tabs:
|
||
|
||
stosd
|
||
add eax, 0x1000
|
||
dec ecx
|
||
jnz .map_kernel_tabs
|
||
|
||
mov dword [sys_pgdir-OS_BASE+(page_tabs shr 20)], sys_pgdir+PG_SW-OS_BASE
|
||
|
||
mov edi, (sys_pgdir-OS_BASE)
|
||
lea esi, [edi+(OS_BASE shr 20)]
|
||
movsd
|
||
movsd
|
||
ret
|
||
endp
|
||
|
||
align 4
|
||
proc init_page_map
|
||
|
||
mov edi, sys_pgmap-OS_BASE
|
||
mov ecx, [pg_data.pagemap_size-OS_BASE]
|
||
shr ecx, 2
|
||
or eax, -1
|
||
cld
|
||
rep stosd
|
||
|
||
mov ecx, [tmp_page_tabs]
|
||
mov edx, [pg_data.pages_count-OS_BASE]
|
||
shr ecx, 12
|
||
add ecx, [pg_data.kernel_tables-OS_BASE]
|
||
sub edx, ecx
|
||
mov [pg_data.pages_free-OS_BASE], edx
|
||
|
||
mov edi, sys_pgmap-OS_BASE
|
||
mov ebx, ecx
|
||
shr ecx, 5
|
||
xor eax, eax
|
||
rep stosd
|
||
|
||
not eax
|
||
mov ecx, ebx
|
||
and ecx, 31
|
||
shl eax, cl
|
||
mov [edi], eax
|
||
add edi, OS_BASE
|
||
mov [page_start-OS_BASE], edi;
|
||
|
||
mov ebx, sys_pgmap
|
||
add ebx, [pg_data.pagemap_size-OS_BASE]
|
||
mov [page_end-OS_BASE], ebx
|
||
|
||
mov [pg_data.pg_mutex-OS_BASE], 0
|
||
ret
|
||
endp
|
||
|
||
align 4
|
||
|
||
init_BIOS32:
|
||
mov edi, 0xE0000
|
||
.pcibios_nxt:
|
||
cmp dword[edi], '_32_' ; "magic" word
|
||
je .BIOS32_found
|
||
.pcibios_nxt2:
|
||
add edi, 0x10
|
||
cmp edi, 0xFFFF0
|
||
je .BIOS32_not_found
|
||
jmp .pcibios_nxt
|
||
.BIOS32_found: ; magic word found, check control summ
|
||
|
||
movzx ecx, byte[edi + 9]
|
||
shl ecx, 4
|
||
mov esi, edi
|
||
xor eax, eax
|
||
cld ; paranoia
|
||
@@: lodsb
|
||
add ah, al
|
||
loop @b
|
||
jnz .pcibios_nxt2 ; control summ must be zero
|
||
; BIOS32 service found !
|
||
mov ebp, [edi + 4]
|
||
mov [bios32_entry], ebp
|
||
; check PCI BIOS present
|
||
mov eax, '$PCI'
|
||
xor ebx, ebx
|
||
push cs ; special for 'ret far' from BIOS
|
||
call ebp
|
||
test al, al
|
||
jnz .PCI_BIOS32_not_found
|
||
|
||
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD> PCI BIOS
|
||
|
||
add ebx, OS_BASE
|
||
dec ecx
|
||
mov [(pci_code_32-OS_BASE)], cx ;limit 0-15
|
||
mov [(pci_data_32-OS_BASE)], cx ;limit 0-15
|
||
|
||
mov [(pci_code_32-OS_BASE)+2], bx ;base 0-15
|
||
mov [(pci_data_32-OS_BASE)+2], bx ;base 0-15
|
||
|
||
shr ebx, 16
|
||
mov [(pci_code_32-OS_BASE)+4], bl ;base 16-23
|
||
mov [(pci_data_32-OS_BASE)+4], bl ;base 16-23
|
||
|
||
shr ecx, 16
|
||
and cl, 0x0F
|
||
mov ch, bh
|
||
add cx, D32
|
||
mov [(pci_code_32-OS_BASE)+6], cx ;lim 16-19 &
|
||
mov [(pci_data_32-OS_BASE)+6], cx ;base 24-31
|
||
|
||
mov [(pci_bios_entry-OS_BASE)], edx
|
||
; jmp .end
|
||
.PCI_BIOS32_not_found:
|
||
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> pci_emu_dat
|
||
.BIOS32_not_found:
|
||
.end:
|
||
ret
|
||
|
||
align 4
|
||
proc test_cpu
|
||
locals
|
||
cpu_type dd ?
|
||
cpu_id dd ?
|
||
cpu_Intel dd ?
|
||
cpu_AMD dd ?
|
||
endl
|
||
|
||
mov [cpu_type], 0
|
||
xor eax, eax
|
||
mov [cpu_caps-OS_BASE], eax
|
||
mov [cpu_caps+4-OS_BASE], eax
|
||
|
||
pushfd
|
||
pop eax
|
||
mov ecx, eax
|
||
xor eax, 0x40000
|
||
push eax
|
||
popfd
|
||
pushfd
|
||
pop eax
|
||
xor eax, ecx
|
||
mov [cpu_type], CPU_386
|
||
jz .end_cpuid
|
||
push ecx
|
||
popfd
|
||
|
||
mov [cpu_type], CPU_486
|
||
mov eax, ecx
|
||
xor eax, 0x200000
|
||
push eax
|
||
popfd
|
||
pushfd
|
||
pop eax
|
||
xor eax, ecx
|
||
je .end_cpuid
|
||
mov [cpu_id], 1
|
||
|
||
xor eax, eax
|
||
cpuid
|
||
|
||
mov [cpu_vendor-OS_BASE], ebx
|
||
mov [cpu_vendor+4-OS_BASE], edx
|
||
mov [cpu_vendor+8-OS_BASE], ecx
|
||
cmp ebx, dword [intel_str-OS_BASE]
|
||
jne .check_AMD
|
||
cmp edx, dword [intel_str+4-OS_BASE]
|
||
jne .check_AMD
|
||
cmp ecx, dword [intel_str+8-OS_BASE]
|
||
jne .check_AMD
|
||
mov [cpu_Intel], 1
|
||
cmp eax, 1
|
||
jl .end_cpuid
|
||
mov eax, 1
|
||
cpuid
|
||
mov [cpu_sign-OS_BASE], eax
|
||
mov [cpu_info-OS_BASE], ebx
|
||
mov [cpu_caps-OS_BASE], edx
|
||
mov [cpu_caps+4-OS_BASE],ecx
|
||
|
||
shr eax, 8
|
||
and eax, 0x0f
|
||
ret
|
||
.end_cpuid:
|
||
mov eax, [cpu_type]
|
||
ret
|
||
|
||
.check_AMD:
|
||
cmp ebx, dword [AMD_str-OS_BASE]
|
||
jne .unknown
|
||
cmp edx, dword [AMD_str+4-OS_BASE]
|
||
jne .unknown
|
||
cmp ecx, dword [AMD_str+8-OS_BASE]
|
||
jne .unknown
|
||
mov [cpu_AMD], 1
|
||
cmp eax, 1
|
||
jl .unknown
|
||
mov eax, 1
|
||
cpuid
|
||
mov [cpu_sign-OS_BASE], eax
|
||
mov [cpu_info-OS_BASE], ebx
|
||
mov [cpu_caps-OS_BASE], edx
|
||
mov [cpu_caps+4-OS_BASE],ecx
|
||
shr eax, 8
|
||
and eax, 0x0f
|
||
ret
|
||
.unknown:
|
||
mov eax, 1
|
||
cpuid
|
||
mov [cpu_sign-OS_BASE], eax
|
||
mov [cpu_info-OS_BASE], ebx
|
||
mov [cpu_caps-OS_BASE], edx
|
||
mov [cpu_caps+4-OS_BASE],ecx
|
||
shr eax, 8
|
||
and eax, 0x0f
|
||
ret
|
||
endp
|
||
|