[v9,2/5] acpi: support specified oem table id for build_header
diff mbox

Message ID 1449040860-19040-3-git-send-email-guangrong.xiao@linux.intel.com
State New
Headers show

Commit Message

Xiao Guangrong Dec. 2, 2015, 7:20 a.m. UTC
Let build_header() support specified OEM table id so that we can build
multiple SSDT later

If the oem table id is not specified (aka, NULL), we use the default id
instead as the previous behavior

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
---
 hw/acpi/aml-build.c         | 15 +++++++++++----
 hw/arm/virt-acpi-build.c    | 13 +++++++------
 hw/i386/acpi-build.c        | 20 ++++++++++----------
 include/hw/acpi/aml-build.h |  3 ++-
 4 files changed, 30 insertions(+), 21 deletions(-)

Patch
diff mbox

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index a00a0ab..92873bb 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1137,14 +1137,21 @@  Aml *aml_unicode(const char *str)
 
 void
 build_header(GArray *linker, GArray *table_data,
-             AcpiTableHeader *h, const char *sig, int len, uint8_t rev)
+             AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
+             const char *oem_table_id)
 {
     memcpy(&h->signature, sig, 4);
     h->length = cpu_to_le32(len);
     h->revision = rev;
     memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6);
-    memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4);
-    memcpy(h->oem_table_id + 4, sig, 4);
+
+    if (oem_table_id) {
+        strncpy((char *)h->oem_table_id, oem_table_id, sizeof(h->oem_table_id));
+    } else {
+        memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4);
+        memcpy(h->oem_table_id + 4, sig, 4);
+    }
+
     h->oem_revision = cpu_to_le32(1);
     memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME4, 4);
     h->asl_compiler_revision = cpu_to_le32(1);
@@ -1211,5 +1218,5 @@  build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets)
                                        sizeof(uint32_t));
     }
     build_header(linker, table_data,
-                 (void *)rsdt, "RSDT", rsdt_len, 1);
+                 (void *)rsdt, "RSDT", rsdt_len, 1, NULL);
 }
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 3c2c5d6..da17779 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -381,7 +381,8 @@  build_spcr(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
     spcr->pci_device_id = 0xffff;  /* PCI Device ID: not a PCI device */
     spcr->pci_vendor_id = 0xffff;  /* PCI Vendor ID: not a PCI device */
 
-    build_header(linker, table_data, (void *)spcr, "SPCR", sizeof(*spcr), 2);
+    build_header(linker, table_data, (void *)spcr, "SPCR", sizeof(*spcr), 2,
+                 NULL);
 }
 
 static void
@@ -400,7 +401,7 @@  build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
     mcfg->allocation[0].end_bus_number = (memmap[VIRT_PCIE_ECAM].size
                                           / PCIE_MMCFG_SIZE_MIN) - 1;
 
-    build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1);
+    build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1, NULL);
 }
 
 /* GTDT */
@@ -426,7 +427,7 @@  build_gtdt(GArray *table_data, GArray *linker)
 
     build_header(linker, table_data,
                  (void *)(table_data->data + gtdt_start), "GTDT",
-                 table_data->len - gtdt_start, 2);
+                 table_data->len - gtdt_start, 2, NULL);
 }
 
 /* MADT */
@@ -488,7 +489,7 @@  build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info,
 
     build_header(linker, table_data,
                  (void *)(table_data->data + madt_start), "APIC",
-                 table_data->len - madt_start, 3);
+                 table_data->len - madt_start, 3, NULL);
 }
 
 /* FADT */
@@ -513,7 +514,7 @@  build_fadt(GArray *table_data, GArray *linker, unsigned dsdt)
                                    sizeof fadt->dsdt);
 
     build_header(linker, table_data,
-                 (void *)fadt, "FACP", sizeof(*fadt), 5);
+                 (void *)fadt, "FACP", sizeof(*fadt), 5, NULL);
 }
 
 /* DSDT */
@@ -546,7 +547,7 @@  build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
     g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - dsdt->buf->len),
-        "DSDT", dsdt->buf->len, 2);
+        "DSDT", dsdt->buf->len, 2, NULL);
     free_aml_allocator();
 }
 
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 95e0c65..215b58c 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -361,7 +361,7 @@  build_fadt(GArray *table_data, GArray *linker, AcpiPmInfo *pm,
     fadt_setup(fadt, pm);
 
     build_header(linker, table_data,
-                 (void *)fadt, "FACP", sizeof(*fadt), 1);
+                 (void *)fadt, "FACP", sizeof(*fadt), 1, NULL);
 }
 
 static void
@@ -431,7 +431,7 @@  build_madt(GArray *table_data, GArray *linker, AcpiCpuInfo *cpu,
 
     build_header(linker, table_data,
                  (void *)(table_data->data + madt_start), "APIC",
-                 table_data->len - madt_start, 1);
+                 table_data->len - madt_start, 1, NULL);
 }
 
 /* Assign BSEL property to all buses.  In the future, this can be changed
@@ -1349,7 +1349,7 @@  build_ssdt(GArray *table_data, GArray *linker,
     g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - ssdt->buf->len),
-        "SSDT", ssdt->buf->len, 1);
+        "SSDT", ssdt->buf->len, 1, NULL);
     free_aml_allocator();
 }
 
@@ -1365,7 +1365,7 @@  build_hpet(GArray *table_data, GArray *linker)
     hpet->timer_block_id = cpu_to_le32(0x8086a201);
     hpet->addr.address = cpu_to_le64(HPET_BASE);
     build_header(linker, table_data,
-                 (void *)hpet, "HPET", sizeof(*hpet), 1);
+                 (void *)hpet, "HPET", sizeof(*hpet), 1, NULL);
 }
 
 static void
@@ -1388,7 +1388,7 @@  build_tpm_tcpa(GArray *table_data, GArray *linker, GArray *tcpalog)
                                    sizeof(tcpa->log_area_start_address));
 
     build_header(linker, table_data,
-                 (void *)tcpa, "TCPA", sizeof(*tcpa), 2);
+                 (void *)tcpa, "TCPA", sizeof(*tcpa), 2, NULL);
 
     acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE);
 }
@@ -1405,7 +1405,7 @@  build_tpm2(GArray *table_data, GArray *linker)
     tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO);
 
     build_header(linker, table_data,
-                 (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4);
+                 (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL);
 }
 
 typedef enum {
@@ -1519,7 +1519,7 @@  build_srat(GArray *table_data, GArray *linker, PcGuestInfo *guest_info)
     build_header(linker, table_data,
                  (void *)(table_data->data + srat_start),
                  "SRAT",
-                 table_data->len - srat_start, 1);
+                 table_data->len - srat_start, 1, NULL);
 }
 
 static void
@@ -1548,7 +1548,7 @@  build_mcfg_q35(GArray *table_data, GArray *linker, AcpiMcfgInfo *info)
     } else {
         sig = "MCFG";
     }
-    build_header(linker, table_data, (void *)mcfg, sig, len, 1);
+    build_header(linker, table_data, (void *)mcfg, sig, len, 1, NULL);
 }
 
 static void
@@ -1572,7 +1572,7 @@  build_dmar_q35(GArray *table_data, GArray *linker)
     drhd->address = cpu_to_le64(Q35_HOST_BRIDGE_IOMMU_ADDR);
 
     build_header(linker, table_data, (void *)(table_data->data + dmar_start),
-                 "DMAR", table_data->len - dmar_start, 1);
+                 "DMAR", table_data->len - dmar_start, 1, NULL);
 }
 
 static void
@@ -1587,7 +1587,7 @@  build_dsdt(GArray *table_data, GArray *linker, AcpiMiscInfo *misc)
 
     memset(dsdt, 0, sizeof *dsdt);
     build_header(linker, table_data, dsdt, "DSDT",
-                 misc->dsdt_size, 1);
+                 misc->dsdt_size, 1, NULL);
 }
 
 static GArray *
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 1b632dc..e587b26 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -277,7 +277,8 @@  Aml *aml_unicode(const char *str);
 
 void
 build_header(GArray *linker, GArray *table_data,
-             AcpiTableHeader *h, const char *sig, int len, uint8_t rev);
+             AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
+             const char *oem_table_id);
 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);