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e1b4a23921
unhappy (probably they don't handle crossing the 64k boundary, etc.). Fix this by changing zfsldr to use a loop reading from the disk one sector at a time. To avoid trashing the saved copy of the MBR which is used for disk I/O, read zfsboot2 at address 0x9000. This has the advantage that BTX no longer needs to be relocated as it is read into the correct location. However, the loop to relocate zfsboot2.bin can now cross a 64k boundary, so change it to use relative segments instead. (This will need further work if zfsboot2.bin ever exceeds 64k.) While here, stop storing a relocated copy of zfsldr at 0x700. This was only used by the xread hack which has recently been removed (and even that use was dubious). Also, include the BIOS error code as hex when reporting read errors to aid in debugging. Much thanks to Henri Hennebert for patiently testing various iterations of the patch as well as fixing the zfsboot2.bin relocation to use relative segments. MFC after: 1 week |
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|---|---|---|
| .. | ||
| boot0 | ||
| boot0ext | ||
| boot0sio | ||
| boot2 | ||
| btx | ||
| cdboot | ||
| common | ||
| efi | ||
| gptboot | ||
| gptzfsboot | ||
| kgzldr | ||
| libfirewire | ||
| libi386 | ||
| loader | ||
| mbr | ||
| pmbr | ||
| pxeldr | ||
| zfsboot | ||
| zfsloader | ||
| Makefile | ||
| Makefile.inc | ||