From: Shannon Zhao <shannon.z...@linaro.org>
RSDT points to other tables FADT, MADT, GTDT.
Signed-off-by: Shannon Zhao <zhaoshengl...@huawei.com>
Signed-off-by: Shannon Zhao <shannon.z...@linaro.org>
---
hw/arm/virt-acpi-build.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index a7aba75..85e84b1 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -176,6 +176,30 @@ static void acpi_dsdt_add_virtio(Aml *scope, const hwaddr
*mmio_addrs,
}
}
+/* RSDT */
+static void
+build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets)
+{
+ AcpiRsdtDescriptorRev1 *rsdt;
+ size_t rsdt_len;
+ int i;
+
+ rsdt_len = sizeof(*rsdt) + sizeof(uint32_t) * table_offsets->len;
+ rsdt = acpi_data_push(table_data, rsdt_len);
+ memcpy(rsdt->table_offset_entry, table_offsets->data,
+ sizeof(uint32_t) * table_offsets->len);
+ for (i = 0; i < table_offsets->len; ++i) {
+ /* rsdt->table_offset_entry to be filled by Guest linker */
+ bios_linker_loader_add_pointer(linker,
+ ACPI_BUILD_TABLE_FILE,
+ ACPI_BUILD_TABLE_FILE,
+ table_data,
&rsdt->table_offset_entry[i],
+ sizeof(uint32_t));
+ }
+ build_header(linker, table_data,
+ (void *)rsdt, "RSDT", rsdt_len, 1);
+}
+
/* GTDT */
static void
build_gtdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
@@ -348,6 +372,9 @@ void virt_acpi_build(VirtGuestInfo *guest_info,
AcpiBuildTables *tables)
acpi_add_table(table_offsets, tables_blob);
build_gtdt(tables_blob, tables->linker, guest_info);
+ /* RSDT is pointed to by RSDP */
+ build_rsdt(tables_blob, tables->linker, table_offsets);
+
/* Cleanup memory that's no longer used. */
g_array_free(table_offsets, true);
}
--
2.0.4
