diff options
| -rw-r--r-- | hw/i386/pc.c | 32 | ||||
| -rw-r--r-- | hw/i386/pc_piix.c | 4 | ||||
| -rw-r--r-- | hw/i386/pc_q35.c | 2 | ||||
| -rw-r--r-- | include/hw/i386/pc.h | 6 | ||||
| -rw-r--r-- | tests/qtest/bios-tables-test.c | 26 | ||||
| -rw-r--r-- | tests/qtest/numa-test.c | 7 |
6 files changed, 65 insertions, 12 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 3db0743f31..a532d42cf4 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -907,13 +907,39 @@ static uint64_t pc_get_cxl_range_end(PCMachineState *pcms) static hwaddr pc_max_used_gpa(PCMachineState *pcms, uint64_t pci_hole64_size) { X86CPU *cpu = X86_CPU(first_cpu); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); + MachineState *ms = MACHINE(pcms); - /* 32-bit systems don't have hole64 thus return max CPU address */ - if (cpu->phys_bits <= 32) { + if (cpu->env.features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) { + /* 64-bit systems */ + return pc_pci_hole64_start() + pci_hole64_size - 1; + } + + /* 32-bit systems */ + if (pcmc->broken_32bit_mem_addr_check) { + /* old value for compatibility reasons */ return ((hwaddr)1 << cpu->phys_bits) - 1; } - return pc_pci_hole64_start() + pci_hole64_size - 1; + /* + * 32-bit systems don't have hole64 but they might have a region for + * memory devices. Even if additional hotplugged memory devices might + * not be usable by most guest OSes, we need to still consider them for + * calculating the highest possible GPA so that we can properly report + * if someone configures them on a CPU that cannot possibly address them. + */ + if (pcmc->has_reserved_memory && + (ms->ram_size < ms->maxram_size)) { + hwaddr devmem_start; + ram_addr_t devmem_size; + + pc_get_device_memory_range(pcms, &devmem_start, &devmem_size); + devmem_start += devmem_size; + return devmem_start - 1; + } + + /* configuration without any memory hotplug */ + return pc_above_4g_end(pcms) - 1; } /* diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 8321f36f97..71003759bb 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -517,9 +517,13 @@ DEFINE_I440FX_MACHINE(v8_2, "pc-i440fx-8.2", NULL, static void pc_i440fx_8_1_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); + pc_i440fx_8_2_machine_options(m); m->alias = NULL; m->is_default = false; + pcmc->broken_32bit_mem_addr_check = true; + compat_props_add(m->compat_props, hw_compat_8_1, hw_compat_8_1_len); compat_props_add(m->compat_props, pc_compat_8_1, pc_compat_8_1_len); } diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 2dd1158b70..a7386f2ca2 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -394,8 +394,10 @@ DEFINE_Q35_MACHINE(v8_2, "pc-q35-8.2", NULL, static void pc_q35_8_1_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_8_2_machine_options(m); m->alias = NULL; + pcmc->broken_32bit_mem_addr_check = true; compat_props_add(m->compat_props, hw_compat_8_1, hw_compat_8_1_len); compat_props_add(m->compat_props, pc_compat_8_1, pc_compat_8_1_len); } diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 0fabece236..bec38cb92c 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -129,6 +129,12 @@ struct PCMachineClass { /* resizable acpi blob compat */ bool resizable_acpi_blob; + + /* + * whether the machine type implements broken 32-bit address space bound + * check for memory. + */ + bool broken_32bit_mem_addr_check; }; #define TYPE_PC_MACHINE "generic-pc-machine" diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c index d1b80149f2..f8e03dfd46 100644 --- a/tests/qtest/bios-tables-test.c +++ b/tests/qtest/bios-tables-test.c @@ -2080,7 +2080,6 @@ int main(int argc, char *argv[]) test_acpi_piix4_no_acpi_pci_hotplug); qtest_add_func("acpi/piix4/ipmi", test_acpi_piix4_tcg_ipmi); qtest_add_func("acpi/piix4/cpuhp", test_acpi_piix4_tcg_cphp); - qtest_add_func("acpi/piix4/memhp", test_acpi_piix4_tcg_memhp); qtest_add_func("acpi/piix4/numamem", test_acpi_piix4_tcg_numamem); qtest_add_func("acpi/piix4/nosmm", test_acpi_piix4_tcg_nosmm); qtest_add_func("acpi/piix4/smm-compat", @@ -2088,9 +2087,15 @@ int main(int argc, char *argv[]) qtest_add_func("acpi/piix4/smm-compat-nosmm", test_acpi_piix4_tcg_smm_compat_nosmm); qtest_add_func("acpi/piix4/nohpet", test_acpi_piix4_tcg_nohpet); - qtest_add_func("acpi/piix4/dimmpxm", test_acpi_piix4_tcg_dimm_pxm); - qtest_add_func("acpi/piix4/acpihmat", - test_acpi_piix4_tcg_acpi_hmat); + + /* i386 does not support memory hotplug */ + if (strcmp(arch, "i386")) { + qtest_add_func("acpi/piix4/memhp", test_acpi_piix4_tcg_memhp); + qtest_add_func("acpi/piix4/dimmpxm", + test_acpi_piix4_tcg_dimm_pxm); + qtest_add_func("acpi/piix4/acpihmat", + test_acpi_piix4_tcg_acpi_hmat); + } #ifdef CONFIG_POSIX qtest_add_func("acpi/piix4/acpierst", test_acpi_piix4_acpi_erst); #endif @@ -2108,11 +2113,9 @@ int main(int argc, char *argv[]) test_acpi_q35_tcg_no_acpi_hotplug); qtest_add_func("acpi/q35/multif-bridge", test_acpi_q35_multif_bridge); - qtest_add_func("acpi/q35/mmio64", test_acpi_q35_tcg_mmio64); qtest_add_func("acpi/q35/ipmi", test_acpi_q35_tcg_ipmi); qtest_add_func("acpi/q35/smbus/ipmi", test_acpi_q35_tcg_smbus_ipmi); qtest_add_func("acpi/q35/cpuhp", test_acpi_q35_tcg_cphp); - qtest_add_func("acpi/q35/memhp", test_acpi_q35_tcg_memhp); qtest_add_func("acpi/q35/numamem", test_acpi_q35_tcg_numamem); qtest_add_func("acpi/q35/nosmm", test_acpi_q35_tcg_nosmm); qtest_add_func("acpi/q35/smm-compat", @@ -2120,10 +2123,17 @@ int main(int argc, char *argv[]) qtest_add_func("acpi/q35/smm-compat-nosmm", test_acpi_q35_tcg_smm_compat_nosmm); qtest_add_func("acpi/q35/nohpet", test_acpi_q35_tcg_nohpet); - qtest_add_func("acpi/q35/dimmpxm", test_acpi_q35_tcg_dimm_pxm); - qtest_add_func("acpi/q35/acpihmat", test_acpi_q35_tcg_acpi_hmat); qtest_add_func("acpi/q35/acpihmat-noinitiator", test_acpi_q35_tcg_acpi_hmat_noinitiator); + + /* i386 does not support memory hotplug */ + if (strcmp(arch, "i386")) { + qtest_add_func("acpi/q35/memhp", test_acpi_q35_tcg_memhp); + qtest_add_func("acpi/q35/dimmpxm", test_acpi_q35_tcg_dimm_pxm); + qtest_add_func("acpi/q35/acpihmat", + test_acpi_q35_tcg_acpi_hmat); + qtest_add_func("acpi/q35/mmio64", test_acpi_q35_tcg_mmio64); + } #ifdef CONFIG_POSIX qtest_add_func("acpi/q35/acpierst", test_acpi_q35_acpi_erst); #endif diff --git a/tests/qtest/numa-test.c b/tests/qtest/numa-test.c index c5eb13f349..4f4404a4b1 100644 --- a/tests/qtest/numa-test.c +++ b/tests/qtest/numa-test.c @@ -568,7 +568,7 @@ int main(int argc, char **argv) qtest_add_data_func("/numa/mon/cpus/partial", args, test_mon_partial); qtest_add_data_func("/numa/qmp/cpus/query-cpus", args, test_query_cpus); - if (!strcmp(arch, "i386") || !strcmp(arch, "x86_64")) { + if (!strcmp(arch, "x86_64")) { qtest_add_data_func("/numa/pc/cpu/explicit", args, pc_numa_cpu); qtest_add_data_func("/numa/pc/dynamic/cpu", args, pc_dynamic_cpu_cfg); qtest_add_data_func("/numa/pc/hmat/build", args, pc_hmat_build_cfg); @@ -576,6 +576,11 @@ int main(int argc, char **argv) qtest_add_data_func("/numa/pc/hmat/erange", args, pc_hmat_erange_cfg); } + if (!strcmp(arch, "i386")) { + qtest_add_data_func("/numa/pc/cpu/explicit", args, pc_numa_cpu); + qtest_add_data_func("/numa/pc/dynamic/cpu", args, pc_dynamic_cpu_cfg); + } + if (!strcmp(arch, "ppc64")) { qtest_add_data_func("/numa/spapr/cpu/explicit", args, spapr_numa_cpu); } |