diff options
Diffstat (limited to 'src/lib/nhlt.c')
| -rw-r--r-- | src/lib/nhlt.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/src/lib/nhlt.c b/src/lib/nhlt.c index 4fa4a0c2c1..11a397ca8e 100644 --- a/src/lib/nhlt.c +++ b/src/lib/nhlt.c @@ -389,9 +389,17 @@ static void nhlt_serialize_endpoints(struct nhlt *nhlt, struct cursor *cur) uintptr_t nhlt_serialize(struct nhlt *nhlt, uintptr_t acpi_addr) { + return nhlt_serialize_oem_overrides(nhlt, acpi_addr, NULL, NULL); +} + +uintptr_t nhlt_serialize_oem_overrides(struct nhlt *nhlt, + uintptr_t acpi_addr, const char *oem_id, const char *oem_table_id) +{ struct cursor cur; acpi_header_t *header; size_t sz; + size_t oem_id_len; + size_t oem_table_id_len; printk(BIOS_DEBUG, "ACPI: * NHLT\n"); @@ -403,8 +411,18 @@ uintptr_t nhlt_serialize(struct nhlt *nhlt, uintptr_t acpi_addr) memcpy(header->signature, "NHLT", 4); write_le32(&header->length, sz); write_le8(&header->revision, 5); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); + + if (oem_id == NULL) + oem_id = OEM_ID; + + if (oem_table_id == NULL) + oem_table_id = ACPI_TABLE_CREATOR; + + oem_id_len = MIN(strlen(oem_id), 6); + oem_table_id_len = MIN(strlen(oem_table_id), 8); + + memcpy(header->oem_id, oem_id, oem_id_len); + memcpy(header->oem_table_id, oem_table_id, oem_table_id_len); memcpy(header->asl_compiler_id, ASLC, 4); cur.buf = (void *)(acpi_addr + sizeof(acpi_header_t)); |