36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
bios: Fix multiple calls into smbios_load_ex
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We're marking the used entry bitmap in smbios_load_external() for each
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type we check, regardless of whether we loaded anything. This makes
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subsequent calls behave as if we've already loaded the tables from qemu
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and can result in missing tables (ex. multiple type4 entries on an SMP
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guest). Only mark the bitmap if we actually load something.
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Signed-off-by: Alex Williamson <alex.williamson@hp.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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diff --git a/bios/rombios32.c b/bios/rombios32.c
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index f861f81..c869798 100644
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--- a/bios/rombios32.c
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+++ b/bios/rombios32.c
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@@ -2554,13 +2554,14 @@ smbios_load_external(int type, char **p, unsigned *nr_structs,
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*max_struct_size = *p - (char *)header;
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}
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- /* Mark that we've reported on this type */
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- used_bitmap[(type >> 6) & 0x3] |= (1ULL << (type & 0x3f));
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+ if (start != *p) {
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+ /* Mark that we've reported on this type */
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+ used_bitmap[(type >> 6) & 0x3] |= (1ULL << (type & 0x3f));
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+ return 1;
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+ }
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- return (start != *p);
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-#else /* !BX_QEMU */
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+#endif /* !BX_QEMU */
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return 0;
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-#endif
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}
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void smbios_init(void)
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