forked from KolibriOS/kolibrios
Added: Function 70/7 for ISO9660 - start application
Fix: 1) small error - for function 70/1 2) now function 18/6 used procedure call reserve_hd1 git-svn-id: svn://kolibrios.org@94 a494cfbc-eb01-0410-851d-a64ba20cac60
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@ -1,4 +1,4 @@
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sysfn_saveramdisk: ; 18.6 = SAVE FLOPPY IMAGE (HD version only)
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sysfn_saveramdisk: ; 18.6 = SAVE FLOPPY IMAGE (HD version only)
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cmp ebx,1
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jnz img_save_hd_1
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mov edx,bootpath ; path = '/KOLIBRI '
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@ -15,6 +15,7 @@ sysfn_saveramdisk: ; 18.6 = SAVE FLOPPY IMAGE (HD version only)
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mov edx,[edx+10h]
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add edx,ecx
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img_save_hd_3:
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call reserve_hd1
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call restorefatchain ; restore FAT !!!
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mov eax,image_save
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mov ebx,1440*1024 ; size 1440 Kb
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@ -518,6 +518,7 @@ fs_CdServices:
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dd fs_NotImplemented
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dd fs_CdGetFileInfo
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dd fs_NotImplemented
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dd fs_CdExecute
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fs_NumCdServices = ($ - fs_CdServices)/4
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;*******************************************************
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@ -1,3 +1,4 @@
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uglobal
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cd_current_pointer_of_input dd 0
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cd_current_pointer_of_input_2 dd 0
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@ -442,6 +443,126 @@ fs_CdGetFileInfo:
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xor eax, eax
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ret
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;----------------------------------------------------------------
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;
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; fs_CdExecute - LFN variant for executing from CD
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;
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; esi points to hd filename (e.g. 'dir1/name')
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; ebp points to full filename (e.g. '/hd0/1/dir1/name')
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; dword [ebx] = flags
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; dword [ebx+4] = cmdline
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;
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; ret ebx,edx destroyed
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; eax > 0 - PID, < 0 - error
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;
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;--------------------------------------------------------------
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fs_CdExecute:
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mov edx, [ebx]
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mov ebx, [ebx+4]
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test ebx, ebx
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jz @f
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add ebx, std_application_base_address
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@@:
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;----------------------------------------------------------------
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;
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; fs_CdExecute.flags - second entry
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;
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; esi points to floppy filename (kernel address)
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; ebp points to full filename
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; edx flags
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; ebx cmdline (kernel address)
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;
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; ret eax > 0 - PID, < 0 - error
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;
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;--------------------------------------------------------------
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.flags:
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cmp byte [esi], 0
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jnz @f
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; cannot execute root!
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mov eax, -ERROR_ACCESS_DENIED
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ret
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@@:
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push edi
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call cd_find_lfn
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jnc .found
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pop edi
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mov eax, -ERROR_FILE_NOT_FOUND
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cmp [DevErrorCode], 0
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jz @f
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mov al, -11
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@@:
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ret
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.found:
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mov edi,[cd_current_pointer_of_input]
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mov eax,[edi+2]
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push 0
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push eax
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push dword [edi+10] ; size
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push .DoRead
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call fs_execute
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add esp, 16
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pop edi
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ret
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.DoRead:
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; read next block
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; in: eax->parameters, edi->buffer
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; out: eax = error code
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pushad
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cmp dword [eax], 0 ; file size
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jz .eof
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cmp [eax+8],dword 0
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jne @f
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mov ecx,[eax+4]
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inc dword [eax+4]
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mov [CDSectorAddress],ecx
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mov [CDDataBuf_pointer],CDDataBuf ;edi
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call ReadCDWRetr
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cmp [DevErrorCode], 0
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jnz .err
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@@:
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push esi edi ecx
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mov esi,512
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imul esi,[eax+8]
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add esi,CDDataBuf
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mov ecx,512/4
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cld
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rep movsd
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pop ecx edi esi
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mov eax, [esp+28]
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mov ecx, [eax]
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sub ecx, 512
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jae @f
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lea edi, [edi+ecx+512]
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neg ecx
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push eax
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xor eax, eax
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rep stosb
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pop eax
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@@:
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mov [eax], ecx
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mov edx, [eax+8]
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inc edx
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cmp edx, 4 ; 2048/512=4
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jb @f
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xor edx, edx
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@@:
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mov [eax+8], edx
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popad
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xor eax, eax
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ret
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.eof:
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popad
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mov eax, 6
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ret
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.err:
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popad
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mov eax, 11
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ret
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cd_find_lfn:
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; in: esi->name
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; out: CF=1 - file not found
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@ -501,7 +622,7 @@ cd_find_lfn:
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; èñêîìûé ýëåìåíò öåïî÷êè íàéäåí
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.found:
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; êîíåö ïóòè ôàéëà
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cmp byte [esi], 0
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cmp byte [esi-1], 0
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jz .done
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mov eax,[cd_current_pointer_of_input]
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add eax,2
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