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Diffstat (limited to 'hw/i386')
-rw-r--r--hw/i386/acpi-build.c45
1 files changed, 23 insertions, 22 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 1e8364a3d4..b3ce5be77c 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -306,26 +306,23 @@ static void fadt_setup(AcpiFadtDescriptorRev1 *fadt, AcpiPmInfo *pm)
/* FADT */
static void
build_fadt(GArray *table_data, BIOSLinker *linker, AcpiPmInfo *pm,
- unsigned facs, unsigned dsdt,
+ unsigned facs_tbl_offset, unsigned dsdt_tbl_offset,
const char *oem_id, const char *oem_table_id)
{
AcpiFadtDescriptorRev1 *fadt = acpi_data_push(table_data, sizeof(*fadt));
+ unsigned fw_ctrl_offset = (char *)&fadt->firmware_ctrl - table_data->data;
+ unsigned dsdt_entry_offset = (char *)&fadt->dsdt - table_data->data;
- fadt->firmware_ctrl = cpu_to_le32(facs);
/* FACS address to be filled by Guest linker */
- bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE,
- ACPI_BUILD_TABLE_FILE,
- &fadt->firmware_ctrl,
- sizeof fadt->firmware_ctrl);
+ bios_linker_loader_add_pointer(linker,
+ ACPI_BUILD_TABLE_FILE, fw_ctrl_offset, sizeof(fadt->firmware_ctrl),
+ ACPI_BUILD_TABLE_FILE, facs_tbl_offset);
- fadt->dsdt = cpu_to_le32(dsdt);
/* DSDT address to be filled by Guest linker */
- bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE,
- ACPI_BUILD_TABLE_FILE,
- &fadt->dsdt,
- sizeof fadt->dsdt);
-
fadt_setup(fadt, pm);
+ bios_linker_loader_add_pointer(linker,
+ ACPI_BUILD_TABLE_FILE, dsdt_entry_offset, sizeof(fadt->dsdt),
+ ACPI_BUILD_TABLE_FILE, dsdt_tbl_offset);
build_header(linker, table_data,
(void *)fadt, "FACP", sizeof(*fadt), 1, oem_id, oem_table_id);
@@ -2258,6 +2255,9 @@ static void
build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog)
{
Acpi20Tcpa *tcpa = acpi_data_push(table_data, sizeof *tcpa);
+ unsigned log_addr_size = sizeof(tcpa->log_area_start_address);
+ unsigned log_addr_offset =
+ (char *)&tcpa->log_area_start_address - table_data->data;
tcpa->platform_class = cpu_to_le16(TPM_TCPA_ACPI_CLASS_CLIENT);
tcpa->log_area_minimum_length = cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE);
@@ -2267,10 +2267,9 @@ build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog)
false /* high memory */);
/* log area start address to be filled by Guest linker */
- bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE,
- ACPI_BUILD_TPMLOG_FILE,
- &tcpa->log_area_start_address,
- sizeof(tcpa->log_area_start_address));
+ bios_linker_loader_add_pointer(linker,
+ ACPI_BUILD_TABLE_FILE, log_addr_offset, log_addr_size,
+ ACPI_BUILD_TPMLOG_FILE, 0);
build_header(linker, table_data,
(void *)tcpa, "TCPA", sizeof(*tcpa), 2, NULL, NULL);
@@ -2442,21 +2441,23 @@ build_dmar_q35(GArray *table_data, BIOSLinker *linker)
}
static GArray *
-build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned rsdt)
+build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned rsdt_tbl_offset)
{
AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp);
+ unsigned rsdt_pa_size = sizeof(rsdp->rsdt_physical_address);
+ unsigned rsdt_pa_offset =
+ (char *)&rsdp->rsdt_physical_address - rsdp_table->data;
bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, rsdp_table, 16,
true /* fseg memory */);
memcpy(&rsdp->signature, "RSD PTR ", 8);
memcpy(rsdp->oem_id, ACPI_BUILD_APPNAME6, 6);
- rsdp->rsdt_physical_address = cpu_to_le32(rsdt);
/* Address to be filled by Guest linker */
- bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE,
- ACPI_BUILD_TABLE_FILE,
- &rsdp->rsdt_physical_address,
- sizeof rsdp->rsdt_physical_address);
+ bios_linker_loader_add_pointer(linker,
+ ACPI_BUILD_RSDP_FILE, rsdt_pa_offset, rsdt_pa_size,
+ ACPI_BUILD_TABLE_FILE, rsdt_tbl_offset);
+
rsdp->checksum = 0;
/* Checksum to be filled by Guest linker */
bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE,