[PATCH v3 49/62] arm/acpi: Map rest tables for Dom0
shannon.zhao at linaro.org
shannon.zhao at linaro.org
Tue Nov 17 01:40:48 PST 2015
From: Shannon Zhao <shannon.zhao at linaro.org>
Map other reused tables for Dom0.
Signed-off-by: Shannon Zhao <shannon.zhao at linaro.org>
---
xen/arch/arm/domain_build.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index 6ae5761..da4e271 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -1359,6 +1359,29 @@ static int prepare_dtb(struct domain *d, struct kernel_info *kinfo)
#ifdef CONFIG_ACPI
#define XEN_HYPERVISOR_ID 0x000058656E564D4D /* "XenVMM" */
+static void acpi_map_rest_tables(struct domain *d)
+{
+ int i;
+ unsigned long res;
+ u64 addr, size;
+
+ for( i = 0; i < acpi_gbl_root_table_list.count; i++ )
+ {
+ addr = acpi_gbl_root_table_list.tables[i].address;
+ size = acpi_gbl_root_table_list.tables[i].length;
+ res = map_regions(d,
+ paddr_to_pfn(addr & PAGE_MASK),
+ DIV_ROUND_UP(size, PAGE_SIZE),
+ paddr_to_pfn(addr & PAGE_MASK));
+ if ( res )
+ {
+ panic(XENLOG_ERR "Unable to map 0x%"PRIx64
+ " - 0x%"PRIx64" in domain \n",
+ addr & PAGE_MASK, PAGE_ALIGN(addr + size) - 1);
+ }
+ }
+}
+
static int acpi_create_rsdp(struct domain *d, struct membank tbl_add[])
{
@@ -1711,6 +1734,8 @@ static int prepare_acpi(struct domain *d, struct kernel_info *kinfo)
if ( rc != 0 )
return rc;
+ acpi_map_rest_tables(d);
+
return 0;
}
#else
--
2.1.0
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