bhyve: add basl support for common table header
Most ACPI tables are using the same header. Make it easy to create this header by creating a function for it. Reviewed by: jhb, markj (older version) Approved by: manu (mentor) MFC after: 2 weeks Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D36992
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@ -446,6 +446,42 @@ basl_table_append_gas(struct basl_table *const table, const uint8_t space_id,
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return (basl_table_append_bytes(table, &gas_le, sizeof(gas_le)));
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return (basl_table_append_bytes(table, &gas_le, sizeof(gas_le)));
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}
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}
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int
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basl_table_append_header(struct basl_table *const table,
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const uint8_t signature[ACPI_NAMESEG_SIZE], const uint8_t revision,
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const uint32_t oem_revision)
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{
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ACPI_TABLE_HEADER header_le;
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/* + 1 is required for the null terminator */
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char oem_table_id[ACPI_OEM_TABLE_ID_SIZE + 1];
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assert(table != NULL);
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assert(table->len == 0);
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memcpy(header_le.Signature, signature, ACPI_NAMESEG_SIZE);
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header_le.Length = 0; /* patched by basl_finish */
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header_le.Revision = revision;
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header_le.Checksum = 0; /* patched by basl_finish */
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memcpy(header_le.OemId, "BHYVE ", ACPI_OEM_ID_SIZE);
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snprintf(oem_table_id, ACPI_OEM_TABLE_ID_SIZE, "BV%.4s ", signature);
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memcpy(header_le.OemTableId, oem_table_id,
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sizeof(header_le.OemTableId));
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header_le.OemRevision = htole32(oem_revision);
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memcpy(header_le.AslCompilerId, "BASL", ACPI_NAMESEG_SIZE);
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header_le.AslCompilerRevision = htole32(0x20220504);
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BASL_EXEC(
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basl_table_append_bytes(table, &header_le, sizeof(header_le)));
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BASL_EXEC(basl_table_add_length(table,
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offsetof(ACPI_TABLE_HEADER, Length), sizeof(header_le.Length)));
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BASL_EXEC(basl_table_add_checksum(table,
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offsetof(ACPI_TABLE_HEADER, Checksum), 0,
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BASL_TABLE_CHECKSUM_LEN_FULL_TABLE));
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return (0);
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}
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int
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int
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basl_table_append_int(struct basl_table *const table, const uint64_t val,
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basl_table_append_int(struct basl_table *const table, const uint64_t val,
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const uint8_t size)
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const uint8_t size)
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@ -46,6 +46,9 @@ int basl_table_append_checksum(struct basl_table *table, uint32_t start,
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int basl_table_append_gas(struct basl_table *table, uint8_t space_id,
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int basl_table_append_gas(struct basl_table *table, uint8_t space_id,
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uint8_t bit_width, uint8_t bit_offset, uint8_t access_width,
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uint8_t bit_width, uint8_t bit_offset, uint8_t access_width,
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uint64_t address);
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uint64_t address);
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int basl_table_append_header(struct basl_table *table,
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const uint8_t signature[ACPI_NAMESEG_SIZE], uint8_t revision,
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uint32_t oem_revision);
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int basl_table_append_int(struct basl_table *table, uint64_t val, uint8_t size);
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int basl_table_append_int(struct basl_table *table, uint64_t val, uint8_t size);
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int basl_table_append_length(struct basl_table *table, uint8_t size);
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int basl_table_append_length(struct basl_table *table, uint8_t size);
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int basl_table_append_pointer(struct basl_table *table,
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int basl_table_append_pointer(struct basl_table *table,
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