From 860c2cab3e8b55757a5ca1277a32ae41fe0a6987 Mon Sep 17 00:00:00 2001
From: Yin Fengwei <fengwei.yin@intel.com>
Date: Wed, 21 Mar 2018 15:18:16 +0800
Subject: [PATCH] DM: export acpi table base address and length.

Will update e820 table to mark the address ACPI specific type.
Also need pass ACPI table start address and size to vsbl.

Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
---
 devicemodel/hw/acpi/acpi.c | 13 +++++++++++++
 devicemodel/include/acpi.h |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/devicemodel/hw/acpi/acpi.c b/devicemodel/hw/acpi/acpi.c
index 132657617..816d4d1d9 100644
--- a/devicemodel/hw/acpi/acpi.c
+++ b/devicemodel/hw/acpi/acpi.c
@@ -74,6 +74,7 @@
  * the individual tables
  */
 #define ACPI_BASE		0xf2400
+#define	ACPI_LENGTH		(0x100000 - ACPI_BASE)
 #define RSDT_OFFSET		0x040
 #define XSDT_OFFSET		0x080
 #define MADT_OFFSET		0x100
@@ -973,6 +974,18 @@ acpi_table_enable(int num)
 	basl_ftables[num].valid = true;
 }
 
+uint32_t
+get_acpi_base(void)
+{
+	return basl_acpi_base;
+}
+
+uint32_t
+get_acpi_table_length(void)
+{
+	return ACPI_LENGTH;
+}
+
 int
 acpi_build(struct vmctx *ctx, int ncpu)
 {
diff --git a/devicemodel/include/acpi.h b/devicemodel/include/acpi.h
index 34ecd3599..2f3cd5bd2 100644
--- a/devicemodel/include/acpi.h
+++ b/devicemodel/include/acpi.h
@@ -44,6 +44,8 @@
 #define NHLT_ENTRY_NO		8
 
 void acpi_table_enable(int num);
+uint32_t get_acpi_base(void);
+uint32_t get_acpi_table_length(void);
 
 struct vmctx;