[efi] Ensure that each HII package list and formset has a unique GUID
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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@ -769,8 +769,8 @@ static EFI_GUID efi_hii_config_access_protocol_guid
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static EFI_HII_DATABASE_PROTOCOL *efihii;
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EFI_REQUIRE_PROTOCOL ( EFI_HII_DATABASE_PROTOCOL, &efihii );
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/** Local GUID used for our EFI SNP formset */
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#define EFI_SNP_FORMSET_GUID \
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/** Local base GUID used for our EFI SNP formset */
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#define EFI_SNP_FORMSET_GUID_BASE \
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{ 0xc4f84019, 0x6dfd, 0x4a27, \
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{ 0x9b, 0x94, 0xb7, 0x2e, 0x1f, 0xbc, 0xad, 0xca } }
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@ -815,7 +815,7 @@ struct efi_snp_formset {
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.Length = sizeof ( efi_snp_formset ),
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.Type = EFI_HII_PACKAGE_FORMS,
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},
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.FormSet = EFI_IFR_FORM_SET ( EFI_SNP_FORMSET_GUID,
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.FormSet = EFI_IFR_FORM_SET ( EFI_SNP_FORMSET_GUID_BASE,
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EFI_SNP_FORMSET_TITLE,
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EFI_SNP_FORMSET_HELP,
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typeof ( efi_snp_formset.FormSet ),
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@ -992,6 +992,9 @@ efi_snp_package_list ( struct efi_snp_device *snpdev ) {
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if ( ! package_list )
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return NULL;
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/* Create a unique GUID for this package list and formset */
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efi_snp_formset.FormSet.FormSet.Guid.Data1++;
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/* Populate package list */
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memcpy ( &package_list->header.PackageListGuid,
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&efi_snp_formset.FormSet.FormSet.Guid,
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