forked from KolibriOS/kolibrios
175 lines
4.7 KiB
PHP
175 lines
4.7 KiB
PHP
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
;; ;;
|
|||
|
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
|
|||
|
;; Distributed under terms of the GNU General Public License ;;
|
|||
|
;; ;;
|
|||
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
|||
|
$Revision$
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
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
|
|||
|
|