[Qemu-devel] [PATCH v2 1/4] acpi: add API for 64 bit offsets

["Michael S. Tsirkin" <mst@redhat.com>]

Collecting these is useful for implementing the XSDT.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/hw/acpi/aml-build.h |  3 ++-
 hw/acpi/aml-build.c         | 13 ++++++++++---
 hw/arm/virt-acpi-build.c    |  8 ++++----
 hw/i386/acpi-build.c        | 20 ++++++++++----------
 4 files changed, 26 insertions(+), 18 deletions(-)

diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index e3afa13..edc1dfa 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -281,7 +281,8 @@ build_header(GArray *linker, GArray *table_data,
              AcpiTableHeader *h, const char *sig, int len, uint8_t rev);
 void *acpi_data_push(GArray *table_data, unsigned size);
 unsigned acpi_data_len(GArray *table);
-void acpi_add_table(GArray *table_offsets, GArray *table_data);
+void acpi_add_table(GArray *table_offsets32, GArray *table_offsets64,
+                    GArray *table_data);
 void acpi_build_tables_init(AcpiBuildTables *tables);
 void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre);
 void
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 0d4b324..4c930b6 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1169,10 +1169,17 @@ unsigned acpi_data_len(GArray *table)
     return table->len;
 }
 
-void acpi_add_table(GArray *table_offsets, GArray *table_data)
+void acpi_add_table(GArray *table_offsets32, GArray *table_offsets64,
+                    GArray *table_data)
 {
-    uint32_t offset = cpu_to_le32(table_data->len);
-    g_array_append_val(table_offsets, offset);
+    uint32_t offset32 = cpu_to_le32(table_data->len);
+    uint64_t offset64 = cpu_to_le64(table_data->len);
+    if (table_offsets32) {
+        g_array_append_val(table_offsets32, offset32);
+    }
+    if (table_offsets64) {
+        g_array_append_val(table_offsets64, offset64);
+    }
 }
 
 void acpi_build_tables_init(AcpiBuildTables *tables)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index a9373cc..42c8dd9 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -515,16 +515,16 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables)
     build_dsdt(tables_blob, tables->linker, guest_info);
 
     /* FADT MADT GTDT pointed to by RSDT */
-    acpi_add_table(table_offsets, tables_blob);
+    acpi_add_table(table_offsets, NULL, tables_blob);
     build_fadt(tables_blob, tables->linker, dsdt);
 
-    acpi_add_table(table_offsets, tables_blob);
+    acpi_add_table(table_offsets, NULL, tables_blob);
     build_madt(tables_blob, tables->linker, guest_info, &cpuinfo);
 
-    acpi_add_table(table_offsets, tables_blob);
+    acpi_add_table(table_offsets, NULL, tables_blob);
     build_gtdt(tables_blob, tables->linker);
 
-    acpi_add_table(table_offsets, tables_blob);
+    acpi_add_table(table_offsets, NULL, tables_blob);
     build_mcfg(tables_blob, tables->linker, guest_info);
 
     /* RSDT is pointed to by RSDP */
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index db32fd1..e5b0b7a 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1706,27 +1706,27 @@ void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables)
     aml_len += tables_blob->len - dsdt;
 
     /* ACPI tables pointed to by RSDT */
-    acpi_add_table(table_offsets, tables_blob);
+    acpi_add_table(table_offsets, NULL, tables_blob);
     build_fadt(tables_blob, tables->linker, &pm, facs, dsdt);
 
     ssdt = tables_blob->len;
-    acpi_add_table(table_offsets, tables_blob);
+    acpi_add_table(table_offsets, NULL, tables_blob);
     build_ssdt(tables_blob, tables->linker, &cpu, &pm, &misc, &pci,
                guest_info);
     aml_len += tables_blob->len - ssdt;
 
-    acpi_add_table(table_offsets, tables_blob);
+    acpi_add_table(table_offsets, NULL, tables_blob);
     build_madt(tables_blob, tables->linker, &cpu, guest_info);
 
     if (misc.has_hpet) {
-        acpi_add_table(table_offsets, tables_blob);
+        acpi_add_table(table_offsets, NULL, tables_blob);
         build_hpet(tables_blob, tables->linker);
     }
     if (misc.tpm_version != TPM_VERSION_UNSPEC) {
-        acpi_add_table(table_offsets, tables_blob);
+        acpi_add_table(table_offsets, NULL, tables_blob);
         build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog);
 
-        acpi_add_table(table_offsets, tables_blob);
+        acpi_add_table(table_offsets, NULL, tables_blob);
         switch (misc.tpm_version) {
         case TPM_VERSION_1_2:
             build_tpm_ssdt(tables_blob, tables->linker);
@@ -1739,15 +1739,15 @@ void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables)
         }
     }
     if (guest_info->numa_nodes) {
-        acpi_add_table(table_offsets, tables_blob);
+        acpi_add_table(table_offsets, NULL, tables_blob);
         build_srat(tables_blob, tables->linker, guest_info);
     }
     if (acpi_get_mcfg(&mcfg)) {
-        acpi_add_table(table_offsets, tables_blob);
+        acpi_add_table(table_offsets, NULL, tables_blob);
         build_mcfg_q35(tables_blob, tables->linker, &mcfg);
     }
     if (acpi_has_iommu()) {
-        acpi_add_table(table_offsets, tables_blob);
+        acpi_add_table(table_offsets, NULL, tables_blob);
         build_dmar_q35(tables_blob, tables->linker);
     }
 
@@ -1755,7 +1755,7 @@ void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables)
     for (u = acpi_table_first(); u; u = acpi_table_next(u)) {
         unsigned len = acpi_table_len(u);
 
-        acpi_add_table(table_offsets, tables_blob);
+        acpi_add_table(table_offsets, NULL, tables_blob);
         g_array_append_vals(tables_blob, u, len);
     }
 
-- 
MST