diff options
Diffstat (limited to 'src/commonlib/include/commonlib/coreboot_tables.h')
| -rw-r--r-- | src/commonlib/include/commonlib/coreboot_tables.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/commonlib/include/commonlib/coreboot_tables.h b/src/commonlib/include/commonlib/coreboot_tables.h index 78dbe8ef4c51..7860a413ce07 100644 --- a/src/commonlib/include/commonlib/coreboot_tables.h +++ b/src/commonlib/include/commonlib/coreboot_tables.h @@ -539,11 +539,17 @@ struct lb_smmstorev2 { uint32_t size; uint32_t num_blocks; /* Number of writable blocks in SMM */ uint32_t block_size; /* Size of a block in byte. Default: 64 KiB */ - uint32_t mmap_addr; /* MMIO address of the store for read only access */ + uint32_t mmap_addr_deprecated; /* 32-bit MMIO address of the store for read only access. + Prefer 'mmap_addr' for new software. + Zero when the address won't fit into 32-bits. */ uint32_t com_buffer; /* Physical address of the communication buffer */ uint32_t com_buffer_size; /* Size of the communication buffer in bytes */ uint8_t apm_cmd; /* The command byte to write to the APM I/O port */ uint8_t unused[3]; /* Set to zero */ + uint64_t mmap_addr; /* 64-bit MMIO address of the store for read only access. + Introduced after the initial implementation. Users of + this table must check the 'size' field to detect if its + written out by coreboot. */ }; enum lb_tpm_ppi_tpm_version { |