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[RFC PATCH V1 1/3] acpi: Eliminate all TPM related code if CONFIG_TPM is
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From: |
Stefan Berger |
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Subject: |
[RFC PATCH V1 1/3] acpi: Eliminate all TPM related code if CONFIG_TPM is not set |
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Date: |
Fri, 11 Jun 2021 21:21:00 -0400 |
Cc: M: Michael S. Tsirkin <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
hw/acpi/aml-build.c | 2 ++
hw/arm/virt-acpi-build.c | 2 ++
hw/i386/acpi-build.c | 20 ++++++++++++++++++++
include/hw/acpi/tpm.h | 4 ++++
stubs/tpm.c | 4 ----
5 files changed, 28 insertions(+), 4 deletions(-)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index f0035d2b4a..d5103e6d7b 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -2044,6 +2044,7 @@ build_hdr:
"FACP", tbl->len - fadt_start, f->rev, oem_id, oem_table_id);
}
+#ifdef CONFIG_TPM
/*
* build_tpm2 - Build the TPM2 table as specified in
* table 7: TCG Hardware Interface Description Table Format for TPM 2.0
@@ -2101,6 +2102,7 @@ void build_tpm2(GArray *table_data, BIOSLinker *linker,
GArray *tcpalog,
(void *)(table_data->data + tpm2_start),
"TPM2", table_data->len - tpm2_start, 4, oem_id,
oem_table_id);
}
+#endif
Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set, uint32_t io_offset,
uint32_t mmio32_offset, uint64_t mmio64_offset,
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 60fe2e65a7..6b3c1fdb0a 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -745,11 +745,13 @@ void virt_acpi_build(VirtMachineState *vms,
AcpiBuildTables *tables)
build_iort(tables_blob, tables->linker, vms);
}
+#ifdef CONFIG_TPM
if (tpm_get_version(tpm_find()) == TPM_VERSION_2_0) {
acpi_add_table(table_offsets, tables_blob);
build_tpm2(tables_blob, tables->linker, tables->tcpalog, vms->oem_id,
vms->oem_table_id);
}
+#endif
/* XSDT is pointed to by RSDP */
xsdt = tables_blob->len;
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 80bee00da6..796ffc6f5c 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -107,7 +107,9 @@ typedef struct AcpiPmInfo {
typedef struct AcpiMiscInfo {
bool is_piix4;
bool has_hpet;
+#ifdef CONFIG_TPM
TPMVersion tpm_version;
+#endif
const unsigned char *dsdt_code;
unsigned dsdt_size;
uint16_t pvpanic_port;
@@ -286,7 +288,9 @@ static void acpi_get_misc_info(AcpiMiscInfo *info)
}
info->has_hpet = hpet_find();
+#ifdef CONFIG_TPM
info->tpm_version = tpm_get_version(tpm_find());
+#endif
info->pvpanic_port = pvpanic_port();
info->applesmc_io_base = applesmc_port();
}
@@ -1371,7 +1375,9 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
uint32_t nr_mem = machine->ram_slots;
int root_bus_limit = 0xFF;
PCIBus *bus = NULL;
+#ifdef CONFIG_TPM
TPMIf *tpm = tpm_find();
+#endif
int i;
VMBusBridge *vmbus_bridge = vmbus_bridge_find();
@@ -1604,10 +1610,12 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
}
}
+#ifdef CONFIG_TPM
if (TPM_IS_TIS_ISA(tpm_find())) {
aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE,
TPM_TIS_ADDR_SIZE, AML_READ_WRITE));
}
+#endif
aml_append(scope, aml_name_decl("_CRS", crs));
/* reserve GPE0 block resources */
@@ -1753,6 +1761,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
/* Scan all PCI buses. Generate tables to support hotplug. */
build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en);
+#ifdef CONFIG_TPM
if (TPM_IS_TIS_ISA(tpm)) {
if (misc->tpm_version == TPM_VERSION_2_0) {
dev = aml_device("TPM");
@@ -1780,11 +1789,13 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
aml_append(scope, dev);
}
+#endif
aml_append(sb_scope, scope);
}
}
+#ifdef CONFIG_TPM
if (TPM_IS_CRB(tpm)) {
dev = aml_device("TPM");
aml_append(dev, aml_name_decl("_HID", aml_string("MSFT0101")));
@@ -1799,6 +1810,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
aml_append(sb_scope, dev);
}
+#endif
aml_append(dsdt, sb_scope);
@@ -1828,6 +1840,7 @@ build_hpet(GArray *table_data, BIOSLinker *linker, const
char *oem_id,
"HPET", sizeof(*hpet), 1, oem_id, oem_table_id);
}
+#ifdef CONFIG_TPM
static void
build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog,
const char *oem_id, const char *oem_table_id)
@@ -1854,6 +1867,7 @@ build_tpm_tcpa(GArray *table_data, BIOSLinker *linker,
GArray *tcpalog,
(void *)(table_data->data + tcpa_start),
"TCPA", sizeof(*tcpa), 2, oem_id, oem_table_id);
}
+#endif
#define HOLE_640K_START (640 * KiB)
#define HOLE_640K_END (1 * MiB)
@@ -2403,6 +2417,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState
*machine)
build_hpet(tables_blob, tables->linker, x86ms->oem_id,
x86ms->oem_table_id);
}
+#ifdef CONFIG_TPM
if (misc.tpm_version != TPM_VERSION_UNSPEC) {
if (misc.tpm_version == TPM_VERSION_1_2) {
acpi_add_table(table_offsets, tables_blob);
@@ -2414,6 +2429,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState
*machine)
x86ms->oem_id, x86ms->oem_table_id);
}
}
+#endif
if (pcms->numa_nodes) {
acpi_add_table(table_offsets, tables_blob);
build_srat(tables_blob, tables->linker, machine);
@@ -2605,8 +2621,10 @@ void acpi_setup(void)
AcpiBuildTables tables;
AcpiBuildState *build_state;
Object *vmgenid_dev;
+#ifdef CONFIG_TPM
TPMIf *tpm;
static FwCfgTPMConfig tpm_config;
+#endif
if (!x86ms->fw_cfg) {
ACPI_BUILD_DPRINTF("No fw cfg. Bailing out.\n");
@@ -2638,6 +2656,7 @@ void acpi_setup(void)
acpi_add_rom_blob(acpi_build_update, build_state,
tables.linker->cmd_blob, ACPI_BUILD_LOADER_FILE);
+#ifdef CONFIG_TPM
fw_cfg_add_file(x86ms->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
tables.tcpalog->data, acpi_data_len(tables.tcpalog));
@@ -2651,6 +2670,7 @@ void acpi_setup(void)
fw_cfg_add_file(x86ms->fw_cfg, "etc/tpm/config",
&tpm_config, sizeof tpm_config);
}
+#endif
vmgenid_dev = find_vmgenid_dev();
if (vmgenid_dev) {
diff --git a/include/hw/acpi/tpm.h b/include/hw/acpi/tpm.h
index 1a2a57a21f..559ba6906c 100644
--- a/include/hw/acpi/tpm.h
+++ b/include/hw/acpi/tpm.h
@@ -21,6 +21,8 @@
#include "hw/acpi/aml-build.h"
#include "sysemu/tpm.h"
+#ifdef CONFIG_TPM
+
#define TPM_TIS_ADDR_BASE 0xFED40000
#define TPM_TIS_ADDR_SIZE 0x5000
@@ -209,4 +211,6 @@ REG32(CRB_DATA_BUFFER, 0x80)
void tpm_build_ppi_acpi(TPMIf *tpm, Aml *dev);
+#endif /* CONFIG_TPM */
+
#endif /* HW_ACPI_TPM_H */
diff --git a/stubs/tpm.c b/stubs/tpm.c
index b1dc6370a5..524e534cb1 100644
--- a/stubs/tpm.c
+++ b/stubs/tpm.c
@@ -17,7 +17,3 @@ int tpm_init(void)
void tpm_cleanup(void)
{
}
-
-void tpm_build_ppi_acpi(TPMIf *tpm, Aml *dev)
-{
-}
--
2.31.1