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bios_extract: Skip Phoenix module chain on older versions without the appropriate BCPSYS field

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RichardG867
2023-11-30 11:12:25 -03:00
parent d3a9f7fda6
commit ed487bd55c
1 changed files with 12 additions and 10 deletions
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22
bios_extract/src/phoenix.c
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@@ -1001,17 +1001,19 @@ PhoenixExtract(unsigned char *BIOSImage, int BIOSLength, int BIOSOffset,
phx.commonCharacterLZSS = ' ';
}
Offset = le32toh(*((uint32_t *) (((char *)SYS) + 0x77)));
Offset &= (BIOSLength - 1);
if (!Offset) {
fprintf(stderr, "BCPSYS module offset is NULL.\n");
if (FFV)
PhoenixFFV(BIOSImage, BIOSLength, FFV);
}
if (SYS->Length >= 0x7b) {
Offset = le32toh(*((uint32_t *) (((char *)SYS) + 0x77)));
Offset &= (BIOSLength - 1);
if (!Offset) {
fprintf(stderr, "BCPSYS module offset is NULL.\n");
if (FFV)
PhoenixFFV(BIOSImage, BIOSLength, FFV);
}
while (Offset) {
Offset = PhoenixModule(BIOSImage, BIOSLength, Offset);
Offset &= BIOSLength - 1;
while (Offset) {
Offset = PhoenixModule(BIOSImage, BIOSLength, Offset);
Offset &= BIOSLength - 1;
}
}
/* All scans below based on phoedeco */