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pc: acpi: use local var for accessing ACPI tables blob in acpi_build() 

except of shortening of lines and making code a bit more readable,
it will reduce renaming noise when changing tables blob from GArray* to
Aml* type.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2015-02-09 10:53:24 +00:00 committed by Michael S. Tsirkin
parent a20275fa50
commit 7c2c1fa5f4
1 changed files with 35 additions and 34 deletions
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69
hw/i386/acpi-build.c
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@ -1421,6 +1421,7 @@ void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables)
PcPciInfo pci;
uint8_t *u;
size_t aml_len = 0;
GArray *tables_blob = tables->table_data;
acpi_get_cpu_info(&cpu);
acpi_get_pm_info(&pm);
@ -1441,66 +1442,66 @@ void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables)
* We place it first since it's the only table that has alignment
* requirements.
*/
facs = tables->table_data->len;
build_facs(tables->table_data, tables->linker, guest_info);
facs = tables_blob->len;
build_facs(tables_blob, tables->linker, guest_info);
/* DSDT is pointed to by FADT */
dsdt = tables->table_data->len;
build_dsdt(tables->table_data, tables->linker, &misc);
dsdt = tables_blob->len;
build_dsdt(tables_blob, tables->linker, &misc);
/* Count the size of the DSDT and SSDT, we will need it for legacy
* sizing of ACPI tables.
*/
aml_len += tables->table_data->len - dsdt;
aml_len += tables_blob->len - dsdt;
/* ACPI tables pointed to by RSDT */
acpi_add_table(table_offsets, tables->table_data);
build_fadt(tables->table_data, tables->linker, &pm, facs, dsdt);
acpi_add_table(table_offsets, tables_blob);
build_fadt(tables_blob, tables->linker, &pm, facs, dsdt);
ssdt = tables->table_data->len;
acpi_add_table(table_offsets, tables->table_data);
build_ssdt(tables->table_data, tables->linker, &cpu, &pm, &misc, &pci,
ssdt = tables_blob->len;
acpi_add_table(table_offsets, tables_blob);
build_ssdt(tables_blob, tables->linker, &cpu, &pm, &misc, &pci,
guest_info);
aml_len += tables->table_data->len - ssdt;
aml_len += tables_blob->len - ssdt;
acpi_add_table(table_offsets, tables->table_data);
build_madt(tables->table_data, tables->linker, &cpu, guest_info);
acpi_add_table(table_offsets, tables_blob);
build_madt(tables_blob, tables->linker, &cpu, guest_info);
if (misc.has_hpet) {
acpi_add_table(table_offsets, tables->table_data);
build_hpet(tables->table_data, tables->linker);
acpi_add_table(table_offsets, tables_blob);
build_hpet(tables_blob, tables->linker);
}
if (misc.has_tpm) {
acpi_add_table(table_offsets, tables->table_data);
build_tpm_tcpa(tables->table_data, tables->linker, tables->tcpalog);
acpi_add_table(table_offsets, tables_blob);
build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog);
acpi_add_table(table_offsets, tables->table_data);
build_tpm_ssdt(tables->table_data, tables->linker);
acpi_add_table(table_offsets, tables_blob);
build_tpm_ssdt(tables_blob, tables->linker);
}
if (guest_info->numa_nodes) {
acpi_add_table(table_offsets, tables->table_data);
build_srat(tables->table_data, tables->linker, guest_info);
acpi_add_table(table_offsets, tables_blob);
build_srat(tables_blob, tables->linker, guest_info);
}
if (acpi_get_mcfg(&mcfg)) {
acpi_add_table(table_offsets, tables->table_data);
build_mcfg_q35(tables->table_data, tables->linker, &mcfg);
acpi_add_table(table_offsets, tables_blob);
build_mcfg_q35(tables_blob, tables->linker, &mcfg);
}
if (acpi_has_iommu()) {
acpi_add_table(table_offsets, tables->table_data);
build_dmar_q35(tables->table_data, tables->linker);
acpi_add_table(table_offsets, tables_blob);
build_dmar_q35(tables_blob, tables->linker);
}
/* Add tables supplied by user (if any) */
for (u = acpi_table_first(); u; u = acpi_table_next(u)) {
unsigned len = acpi_table_len(u);
acpi_add_table(table_offsets, tables->table_data);
g_array_append_vals(tables->table_data, u, len);
acpi_add_table(table_offsets, tables_blob);
g_array_append_vals(tables_blob, u, len);
}
/* RSDT is pointed to by RSDP */
rsdt = tables->table_data->len;
build_rsdt(tables->table_data, tables->linker, table_offsets);
rsdt = tables_blob->len;
build_rsdt(tables_blob, tables->linker, table_offsets);
/* RSDP is in FSEG memory, so allocate it separately */
build_rsdp(tables->rsdp, tables->linker, rsdt);
@ -1530,23 +1531,23 @@ void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables)
guest_info->legacy_acpi_table_size +
ACPI_BUILD_LEGACY_CPU_AML_SIZE * max_cpus;
int legacy_table_size =
ROUND_UP(tables->table_data->len - aml_len + legacy_aml_len,
ROUND_UP(tables_blob->len - aml_len + legacy_aml_len,
ACPI_BUILD_ALIGN_SIZE);
if (tables->table_data->len > legacy_table_size) {
if (tables_blob->len > legacy_table_size) {
/* Should happen only with PCI bridges and -M pc-i440fx-2.0. */
error_report("Warning: migration may not work.");
}
g_array_set_size(tables->table_data, legacy_table_size);
g_array_set_size(tables_blob, legacy_table_size);
} else {
/* Make sure we have a buffer in case we need to resize the tables. */
if (tables->table_data->len > ACPI_BUILD_TABLE_SIZE / 2) {
if (tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) {
/* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */
error_report("Warning: ACPI tables are larger than 64k.");
error_report("Warning: migration may not work.");
error_report("Warning: please remove CPUs, NUMA nodes, "
"memory slots or PCI bridges.");
}
acpi_align_size(tables->table_data, ACPI_BUILD_TABLE_SIZE);
acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE);
}
acpi_align_size(tables->linker, ACPI_BUILD_ALIGN_SIZE);