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[smbios] Support scanning for the 64-bit SMBIOS3 entry point

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Support scanning for the 64-bit SMBIOS3 entry point in addition to the
32-bit SMBIOS2 entry point.

Prefer use of the 32-bit entry point if present, since this is
guaranteed to be within accessible memory.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2023-12-29 19:38:12 +00:00
parent 119c415ee4
commit fa62213231
3 changed files with 120 additions and 15 deletions
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2
src/include/ipxe/smbios.h
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@@ -227,6 +227,8 @@ struct smbios {
extern int find_smbios ( struct smbios *smbios );
extern int find_smbios_entry ( userptr_t start, size_t len,
struct smbios_entry *entry );
extern int find_smbios3_entry ( userptr_t start, size_t len,
struct smbios3_entry *entry );
extern int find_smbios_structure ( unsigned int type, unsigned int instance,
struct smbios_structure *structure );
extern int read_smbios_structure ( struct smbios_structure *structure,