diff options
| -rw-r--r-- | hw/arm/virt-acpi-build.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 9c4730f4ab..d3bb4cba3e 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -626,6 +626,64 @@ build_gtdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) acpi_table_end(linker, &table); } +/* Debug Port Table 2 (DBG2) */ +static void +build_dbg2(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) +{ + AcpiTable table = { .sig = "DBG2", .rev = 0, .oem_id = vms->oem_id, + .oem_table_id = vms->oem_table_id }; + int dbg2devicelength; + const char name[] = "COM0"; + const int namespace_length = sizeof(name); + + acpi_table_begin(&table, table_data); + + dbg2devicelength = 22 + /* BaseAddressRegister[] offset */ + 12 + /* BaseAddressRegister[] */ + 4 + /* AddressSize[] */ + namespace_length /* NamespaceString[] */; + + /* OffsetDbgDeviceInfo */ + build_append_int_noprefix(table_data, 44, 4); + /* NumberDbgDeviceInfo */ + build_append_int_noprefix(table_data, 1, 4); + + /* Table 2. Debug Device Information structure format */ + build_append_int_noprefix(table_data, 0, 1); /* Revision */ + build_append_int_noprefix(table_data, dbg2devicelength, 2); /* Length */ + /* NumberofGenericAddressRegisters */ + build_append_int_noprefix(table_data, 1, 1); + /* NameSpaceStringLength */ + build_append_int_noprefix(table_data, namespace_length, 2); + build_append_int_noprefix(table_data, 38, 2); /* NameSpaceStringOffset */ + build_append_int_noprefix(table_data, 0, 2); /* OemDataLength */ + /* OemDataOffset (0 means no OEM data) */ + build_append_int_noprefix(table_data, 0, 2); + + /* Port Type */ + build_append_int_noprefix(table_data, 0x8000 /* Serial */, 2); + /* Port Subtype */ + build_append_int_noprefix(table_data, 0x3 /* ARM PL011 UART */, 2); + build_append_int_noprefix(table_data, 0, 2); /* Reserved */ + /* BaseAddressRegisterOffset */ + build_append_int_noprefix(table_data, 22, 2); + /* AddressSizeOffset */ + build_append_int_noprefix(table_data, 34, 2); + + /* BaseAddressRegister[] */ + build_append_gas(table_data, AML_AS_SYSTEM_MEMORY, 8, 0, 1, + vms->memmap[VIRT_UART].base); + + /* AddressSize[] */ + build_append_int_noprefix(table_data, + vms->memmap[VIRT_UART].size, 4); + + /* NamespaceString[] */ + g_array_append_vals(table_data, name, namespace_length); + + acpi_table_end(linker, &table); +}; + /* * ACPI spec, Revision 5.1 Errata A * 5.2.12 Multiple APIC Description Table (MADT) @@ -885,7 +943,7 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables) dsdt = tables_blob->len; build_dsdt(tables_blob, tables->linker, vms); - /* FADT MADT GTDT MCFG SPCR pointed to by RSDT */ + /* FADT MADT GTDT MCFG SPCR DBG2 pointed to by RSDT */ acpi_add_table(table_offsets, tables_blob); build_fadt_rev5(tables_blob, tables->linker, vms, dsdt); @@ -908,6 +966,9 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables) acpi_add_table(table_offsets, tables_blob); build_spcr(tables_blob, tables->linker, vms); + acpi_add_table(table_offsets, tables_blob); + build_dbg2(tables_blob, tables->linker, vms); + if (vms->ras) { build_ghes_error_table(tables->hardware_errors, tables->linker); acpi_add_table(table_offsets, tables_blob); |