1 files changed, 65 insertions, 0 deletions
diff --git a/arch/x86/include/asm/tables.h b/arch/x86/include/asm/tables.h
new file mode 100644
index 0000000..f7c72ed
--- /dev/null
+++ b/arch/x86/include/asm/tables.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#ifndef _X86_TABLES_H_
+#define _X86_TABLES_H_
+
+#include <tables_csum.h>
+
+#define ROM_TABLE_ADDR	CONFIG_ROM_TABLE_ADDR
+#define ROM_TABLE_END	(CONFIG_ROM_TABLE_ADDR + CONFIG_ROM_TABLE_SIZE - 1)
+
+#define ROM_TABLE_ALIGN	1024
+
+/* SeaBIOS expects coreboot tables at address range 0x0000-0x1000 */
+#define CB_TABLE_ADDR	0x800
+
+/**
+ * table_compute_checksum() - Compute a table checksum
+ *
+ * This computes an 8-bit checksum for the configuration table.
+ * All bytes in the configuration table, including checksum itself and
+ * reserved bytes must add up to zero.
+ *
+ * @v:		configuration table base address
+ * @len:	configuration table size
+ * @return:	the 8-bit checksum
+ */
+u8 table_compute_checksum(void *v, int len);
+
+/**
+ * table_fill_string() - Fill a string with pad in the configuration table
+ *
+ * This fills a string in the configuration table. It copies number of bytes
+ * from the source string, and if source string length is shorter than the
+ * required size to copy, pad the table string with the given pad character.
+ *
+ * @dest:	where to fill a string
+ * @src:	where to copy from
+ * @n:		number of bytes to copy
+ * @pad:	character to pad the remaining bytes
+ */
+void table_fill_string(char *dest, const char *src, size_t n, char pad);
+
+/**
+ * write_tables() - Write x86 configuration tables
+ *
+ * This writes x86 configuration tables, including PIRQ routing table,
+ * Multi-Processor table and ACPI table. Whether a specific type of
+ * configuration table is written is controlled by a Kconfig option.
+ */
+void write_tables(void);
+
+/**
+ * write_pirq_routing_table() - Write PIRQ routing table
+ *
+ * This writes PIRQ routing table at a given address.
+ *
+ * @start:	start address to write PIRQ routing table
+ * @return:	end address of PIRQ routing table
+ */
+ulong write_pirq_routing_table(ulong start);
+
+#endif /* _X86_TABLES_H_ */