static
void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables)
{
GArray *table_offsets;
unsigned dsdt, rsdt;
GArray *tables_blob = tables->table_data;
table_offsets = g_array_new(false, true /* clear */,
sizeof(uint32_t));
bios_linker_loader_alloc(tables->linker,
ACPI_BUILD_TABLE_FILE, tables_blob,
64, false /* high memory */);
/*
* The ACPI v5.1 tables for Hardware-reduced ACPI platform are:
* RSDP
* RSDT
* FADT
* GTDT
* MADT
* MCFG
* DSDT
*/
/* DSDT is pointed to by FADT */
dsdt = tables_blob->len;
build_dsdt(tables_blob, tables->linker, guest_info);
/* FADT MADT GTDT MCFG SPCR pointed to by RSDT */
acpi_add_table(table_offsets, tables_blob);
build_fadt(tables_blob, tables->linker, dsdt);
acpi_add_table(table_offsets, tables_blob);
build_madt(tables_blob, tables->linker, guest_info);
acpi_add_table(table_offsets, tables_blob);
build_gtdt(tables_blob, tables->linker);
acpi_add_table(table_offsets, tables_blob);
build_mcfg(tables_blob, tables->linker, guest_info);
acpi_add_table(table_offsets, tables_blob);
build_spcr(tables_blob, tables->linker, guest_info);
if (nb_numa_nodes > 0) {
acpi_add_table(table_offsets, tables_blob);
build_srat(tables_blob, tables->linker, guest_info);
}
/* RSDT is pointed to by RSDP */
rsdt = tables_blob->len;
build_rsdt(tables_blob, tables->linker, table_offsets, NULL, NULL);
/* RSDP is in FSEG memory, so allocate it separately */
build_rsdp(tables->rsdp, tables->linker, rsdt);
/* Cleanup memory that's no longer used. */
g_array_free(table_offsets, true);
}
static
void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables)
{
GArray *table_offsets;
unsigned facs, dsdt, rsdt;
AcpiCpuInfo cpu;
AcpiPmInfo pm;
AcpiMiscInfo misc;
AcpiMcfgInfo mcfg;
PcPciInfo pci;
uint8_t *u;
acpi_get_cpu_info(&cpu);
acpi_get_pm_info(&pm);
acpi_get_dsdt(&misc);
acpi_get_misc_info(&misc);
acpi_get_pci_info(&pci);
table_offsets = g_array_new(false, true /* clear */,
sizeof(uint32_t));
ACPI_BUILD_DPRINTF(3, "init ACPI tables\n");
bios_linker_loader_alloc(tables->linker, ACPI_BUILD_TABLE_FILE,
64 /* Ensure FACS is aligned */,
false /* high memory */);
/*
* FACS is pointed to by FADT.
* 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);
/* DSDT is pointed to by FADT */
dsdt = tables->table_data->len;
build_dsdt(tables->table_data, tables->linker, &misc);
/* 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->table_data);
build_ssdt(tables->table_data, tables->linker, &cpu, &pm, &misc, &pci,
guest_info);
acpi_add_table(table_offsets, tables->table_data);
build_madt(tables->table_data, tables->linker, &cpu, guest_info);
acpi_add_table(table_offsets, tables->table_data);
if (misc.has_hpet) {
build_hpet(tables->table_data, tables->linker);
}
if (guest_info->numa_nodes) {
acpi_add_table(table_offsets, tables->table_data);
build_srat(tables->table_data, tables->linker, &cpu, guest_info);
}
if (acpi_get_mcfg(&mcfg)) {
acpi_add_table(table_offsets, tables->table_data);
build_mcfg_q35(tables->table_data, tables->linker, &mcfg);
}
/* 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);
}
/* RSDT is pointed to by RSDP */
rsdt = tables->table_data->len;
build_rsdt(tables->table_data, tables->linker, table_offsets);
/* RSDP is in FSEG memory, so allocate it separately */
build_rsdp(tables->rsdp, tables->linker, rsdt);
/* We'll expose it all to Guest so align size to reduce
* chance of size changes.
* RSDP is small so it's easy to keep it immutable, no need to
* bother with alignment.
*/
acpi_align_size(tables->table_data, 0x1000);
acpi_align_size(tables->linker, 0x1000);
/* Cleanup memory that's no longer used. */
g_array_free(table_offsets, true);
}