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Rev 495 Rev 521
Line 1... Line 1...
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$Revision: 495 $
 1 
$Revision: 521 $
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;                                                                      ;;
 3 
;;                                                                      ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
 4 
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
5 
;; Distributed under terms of the GNU General Public License    ;;
 5 
;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
 6 
;;                                                              ;;
Line 807... Line 807...
807 
        popa
 807 
        popa
808 
        stc
 808 
        stc
809 
        ret
 809 
        ret
Line 810... Line 810...
810 
 
 810 
 
811 
fd_find_lfn:
 811 
fd_find_lfn:
812 
; in: esi->name
 812 
; in: esi+ebp -> name
813 
; out: CF=1 - file not found
 813 
; out: CF=1 - file not found
814 
;      else CF=0 and edi->direntry, eax=directory cluster (0 for root)
 814 
;      else CF=0 and edi->direntry, eax=directory cluster (0 for root)
815 
        push    esi edi
 815 
        push    esi edi
816 
        push    0
 816 
        push    0
Line 819... Line 819...
819 
.loop:
 819 
.loop:
820 
        call    fat_find_lfn
 820 
        call    fat_find_lfn
821 
        jc      .notfound
 821 
        jc      .notfound
822 
        cmp     byte [esi], 0
 822 
        cmp     byte [esi], 0
823 
        jz      .found
 823 
        jz      .found
- 
 
 824 
.continue:
824 
        test    byte [edi+11], 10h
 825 
        test    byte [edi+11], 10h
825 
        jz      .notfound
 826 
        jz      .notfound
826 
        movzx   eax, word [edi+26]      ; cluster
 827 
        movzx   eax, word [edi+26]      ; cluster
827 
        mov     [esp+8], eax
 828 
        mov     [esp+8], eax
828 
        mov     dword [esp+4], flp_notroot_first
 829 
        mov     dword [esp+4], flp_notroot_first
Line 832... Line 833...
832 
        add     esp, 12
 833 
        add     esp, 12
833 
        pop     edi esi
 834 
        pop     edi esi
834 
        stc
 835 
        stc
835 
        ret
 836 
        ret
836 
.found:
 837 
.found:
- 
 
 838 
        test    ebp, ebp
- 
 
 839 
        jz      @f
- 
 
 840 
        mov     esi, ebp
- 
 
 841 
        xor     ebp, ebp
- 
 
 842 
        jmp     .continue
- 
 
 843 
@@:
837 
        mov     eax, [esp+8]
 844 
        mov     eax, [esp+8]
838 
        add     eax, 31
 845 
        add     eax, 31
839 
        cmp     dword [esp], flp_root_next
 846 
        cmp     dword [esp], flp_root_next
840 
        jnz     @f
 847 
        jnz     @f
841 
        add     eax, -31+19
 848 
        add     eax, -31+19
Line 1114... Line 1121...
1114 
        jz      @b
 1121 
        jz      @b
1115 
        call    read_flp_fat
 1122 
        call    read_flp_fat
1116 
        cmp     [FDC_Status], 0
 1123 
        cmp     [FDC_Status], 0
1117 
        jnz     fsfrfe
 1124 
        jnz     fsfrfe
1118 
        pushad
 1125 
        pushad
1119 
        xor     ebp, ebp
 1126 
        xor     edi, edi
1120 
        push    esi
 1127 
        push    esi
- 
 
 1128 
        test    ebp, ebp
- 
 
 1129 
        jz      @f
- 
 
 1130 
        mov     esi, ebp
1121 
@@:
 1131 
@@:
1122 
        lodsb
 1132 
        lodsb
1123 
        test    al, al
 1133 
        test    al, al
1124 
        jz      @f
 1134 
        jz      @f
1125 
        cmp     al, '/'
 1135 
        cmp     al, '/'
1126 
        jnz     @b
 1136 
        jnz     @b
1127 
        lea     ebp, [esi-1]
 1137 
        lea     edi, [esi-1]
1128 
        jmp     @b
 1138 
        jmp     @b
1129 
@@:
 1139 
@@:
1130 
        pop     esi
 1140 
        pop     esi
1131 
        test    ebp, ebp
 1141 
        test    edi, edi
1132 
        jnz     .noroot
 1142 
        jnz     .noroot
- 
 
 1143 
        test    ebp, ebp
- 
 
 1144 
        jnz     .hasebp
1133 
        call    read_flp_root
 1145 
        call    read_flp_root
1134 
        cmp     [FDC_Status], 0
 1146 
        cmp     [FDC_Status], 0
1135 
        jnz     fsfrfe2
 1147 
        jnz     fsfrfe2
1136 
        push    flp_rootmem_extend_dir
 1148 
        push    flp_rootmem_extend_dir
1137 
        push    flp_rootmem_end_write
 1149 
        push    flp_rootmem_end_write
Line 1140... Line 1152...
1140 
        xor     ebp, ebp
 1152 
        xor     ebp, ebp
1141 
        push    ebp
 1153 
        push    ebp
1142 
        push    flp_rootmem_first
 1154 
        push    flp_rootmem_first
1143 
        push    flp_rootmem_next
 1155 
        push    flp_rootmem_next
1144 
        jmp     .common1
 1156 
        jmp     .common1
- 
 
 1157 
.hasebp:
- 
 
 1158 
        mov     eax, ERROR_ACCESS_DENIED
- 
 
 1159 
        cmp     byte [ebp], 0
- 
 
 1160 
        jz      .ret1
- 
 
 1161 
        push    ebp
- 
 
 1162 
        xor     ebp, ebp
- 
 
 1163 
        call    fd_find_lfn
- 
 
 1164 
        pop     esi
- 
 
 1165 
        jc      .notfound0
- 
 
 1166 
        jmp     .common0
1145 
.noroot:
 1167 
.noroot:
1146 
        mov     eax, ERROR_ACCESS_DENIED
 1168 
        mov     eax, ERROR_ACCESS_DENIED
1147 
        cmp     byte [ebp+1], 0
 1169 
        cmp     byte [edi+1], 0
1148 
        jz      .ret1
 1170 
        jz      .ret1
1149 
; check existence
 1171 
; check existence
1150 
        mov     byte [ebp], 0
 1172 
        mov     byte [edi], 0
- 
 
 1173 
        push    edi
1151 
        call    fd_find_lfn
 1174 
        call    fd_find_lfn
1152 
        mov     byte [ebp], '/'
 1175 
        pop     esi
1153 
        lea     esi, [ebp+1]
 1176 
        mov     byte [esi], '/'
1154 
        jnc     @f
 1177 
        jnc     @f
- 
 
 1178 
.notfound0:
1155 
        mov     eax, ERROR_FILE_NOT_FOUND
 1179 
        mov     eax, ERROR_FILE_NOT_FOUND
1156 
.ret1:
 1180 
.ret1:
1157 
        mov     [esp+28], eax
 1181 
        mov     [esp+28], eax
1158 
        popad
 1182 
        popad
1159 
        xor     ebx, ebx
 1183 
        xor     ebx, ebx
1160 
        ret
 1184 
        ret
1161 
@@:
 1185 
@@:
- 
 
 1186 
        inc     esi
- 
 
 1187 
.common0:
1162 
        test    byte [edi+11], 0x10     ; must be directory
 1188 
        test    byte [edi+11], 0x10     ; must be directory
1163 
        mov     eax, ERROR_ACCESS_DENIED
 1189 
        mov     eax, ERROR_ACCESS_DENIED
1164 
        jz      .ret1
 1190 
        jz      .ret1
1165 
        movzx   ebp, word [edi+26]      ; ebp=cluster
 1191 
        movzx   ebp, word [edi+26]      ; ebp=cluster
1166 
        mov     eax, ERROR_FAT_TABLE
 1192 
        mov     eax, ERROR_FAT_TABLE
Line 2107... Line 2133...
2107 
        jz      @f
 2133 
        jz      @f
2108 
        mov     al, 11
 2134 
        mov     al, 11
2109 
@@:
 2135 
@@:
2110 
        ret
 2136 
        ret
Line 2111... Line -...
2111 
 
 - 
 
2112 
if 0
 - 
 
2113 
;----------------------------------------------------------------
 - 
 
2114 
;
 - 
 
2115 
;  fs_FloppyExecute - LFN variant for executing from floppy
 - 
 
2116 
;
 - 
 
2117 
;  esi  points to floppy filename (e.g. 'dir1/name')
 - 
 
2118 
;  ebp  points to full filename (e.g. '/fd/1/dir1/name')
 - 
 
2119 
;  dword [ebx] = flags
 - 
 
2120 
;  dword [ebx+4] = cmdline
 - 
 
2121 
;
 - 
 
2122 
;  ret ebx,edx destroyed
 - 
 
2123 
;      eax > 0 - PID, < 0 - error
 - 
 
2124 
;
 - 
 
2125 
;--------------------------------------------------------------
 - 
 
2126 
fs_FloppyExecute:
 - 
 
2127 
        mov     edx, [ebx]
 - 
 
2128 
        mov     ebx, [ebx+4]
 - 
 
2129 
        test    ebx, ebx
 - 
 
2130 
        jz      @f
 - 
 
2131 
    ;    add     ebx, std_application_base_address
 - 
 
2132 
@@:
 - 
 
2133 
 
 - 
 
2134 
;----------------------------------------------------------------
 - 
 
2135 
;
 - 
 
2136 
; fs_FloppyExecute.flags - second entry
 - 
 
2137 
;
 - 
 
2138 
;  esi  points to floppy filename (kernel address)
 - 
 
2139 
;  ebp  points to full filename
 - 
 
2140 
;  edx  flags
 - 
 
2141 
;  ebx  cmdline (kernel address)
 - 
 
2142 
;
 - 
 
2143 
;  ret  eax > 0 - PID, < 0 - error
 - 
 
2144 
;
 - 
 
2145 
;--------------------------------------------------------------
 - 
 
2146 
 
 - 
 
2147 
.flags:
 - 
 
2148 
        call    read_flp_fat
 - 
 
2149 
        cmp     byte [esi], 0
 - 
 
2150 
        jnz     @f
 - 
 
2151 
; cannot execute root!
 - 
 
2152 
        mov     eax, -ERROR_ACCESS_DENIED
 - 
 
2153 
        ret
 - 
 
2154 
@@:
 - 
 
2155 
        push    edi
 - 
 
2156 
        call    fd_find_lfn
 - 
 
2157 
        jnc     .found
 - 
 
2158 
        pop     edi
 - 
 
2159 
        mov     eax, -ERROR_FILE_NOT_FOUND
 - 
 
2160 
        ret
 - 
 
2161 
.found:
 - 
 
2162 
        movzx   eax, word [edi+26]      ; cluster
 - 
 
2163 
        push    eax
 - 
 
2164 
        push    dword [edi+28]          ; size
 - 
 
2165 
        push    .DoRead
 - 
 
2166 
        call    fs_execute
 - 
 
2167 
        add     esp, 12
 - 
 
2168 
        pop     edi
 - 
 
2169 
        ret
 - 
 
2170 
 
 - 
 
2171 
.DoRead:
 - 
 
2172 
; read next block
 - 
 
2173 
; in: eax->parameters, edi->buffer
 - 
 
2174 
; out: eax = error code
 - 
 
2175 
        pushad
 - 
 
2176 
        cmp     dword [eax], 0  ; file size
 - 
 
2177 
        jz      .eof
 - 
 
2178 
        mov     eax, [eax+4]    ; cluster
 - 
 
2179 
        add     eax, 31
 - 
 
2180 
        call    read_chs_sector
 - 
 
2181 
        cmp     [FDC_Status], 0
 - 
 
2182 
        jnz     .err
 - 
 
2183 
        pop     edi
 - 
 
2184 
        mov     esi, FDD_BUFF
 - 
 
2185 
        push    edi
 - 
 
2186 
        mov     ecx, 512/4
 - 
 
2187 
        rep     movsd
 - 
 
2188 
        mov     eax, [esp+28]
 - 
 
2189 
        mov     ecx, [eax]
 - 
 
2190 
        sub     ecx, 512
 - 
 
2191 
        jae     @f
 - 
 
2192 
        add     edi, ecx
 - 
 
2193 
        neg     ecx
 - 
 
2194 
        push    eax
 - 
 
2195 
        xor     eax, eax
 - 
 
2196 
        rep     stosb
 - 
 
2197 
        pop     eax
 - 
 
2198 
@@:
 - 
 
2199 
        mov     [eax], ecx
 - 
 
2200 
        mov     edx, [eax+4]
 - 
 
2201 
        mov     dx, [edx*2+FLOPPY_FAT]
 - 
 
2202 
        mov     [eax+4], dx     ; high word is already zero
 - 
 
2203 
        popad
 - 
 
2204 
        xor     eax, eax
 - 
 
2205 
        ret
 - 
 
2206 
.eof:
 - 
 
2207 
        popad
 - 
 
2208 
        mov     eax, 6
 - 
 
2209 
        ret
 - 
 
2210 
.err:
 - 
 
2211 
        popad
 - 
 
2212 
        mov     eax, 11
 - 
 
2213 
        ret
 - 
 
2214 
end if
 - 
 
2215 
 
 2137 
 
2216 
;----------------------------------------------------------------
 2138 
;----------------------------------------------------------------
2217 
;
 2139 
;
2218 
;  fs_FloppyDelete - delete file or empty folder from floppy
 2140 
;  fs_FloppyDelete - delete file or empty folder from floppy
2219 
;
 2141 
;