[Qemu-devel] [PATCH v4 23/33] pc: Move option_rom_has_mr/rom_file_has_mr to MachineClass

[Eduardo Habkost <ehabkost@redhat.com>]

This way, these settings can be simply set on the class_init function,
instead of requiring a separate machine init function just to set global
variables.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 hw/core/loader.c    | 12 +++++++-----
 hw/core/machine.c   |  1 +
 hw/i386/pc_piix.c   |  8 ++++----
 hw/i386/pc_q35.c    |  4 ++--
 include/hw/boards.h |  2 ++
 5 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/hw/core/loader.c b/hw/core/loader.c
index 2bf6b8f..d1d1e72 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -51,12 +51,10 @@
 #include "hw/nvram/fw_cfg.h"
 #include "exec/memory.h"
 #include "exec/address-spaces.h"
+#include "hw/boards.h"
 
 #include <zlib.h>
 
-bool option_rom_has_mr = false;
-bool rom_file_has_mr = true;
-
 static int roms_loaded;
 
 /* return the size or -1 if error */
@@ -646,6 +644,8 @@ int rom_add_file(const char *file, const char *fw_dir,
                  hwaddr addr, int32_t bootindex,
                  bool option_rom)
 {
+    MachineState *machine = current_machine;
+    MachineClass *mc = MACHINE_GET_CLASS(machine);
     Rom *rom;
     int rc, fd = -1;
     char devpath[100];
@@ -696,7 +696,7 @@ int rom_add_file(const char *file, const char *fw_dir,
                  basename);
         snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name);
 
-        if ((!option_rom || option_rom_has_mr) && rom_file_has_mr) {
+        if ((!option_rom || mc->option_rom_has_mr) && mc->rom_file_has_mr) {
             data = rom_set_mr(rom, OBJECT(fw_cfg), devpath);
         } else {
             data = rom->data;
@@ -724,6 +724,8 @@ void *rom_add_blob(const char *name, const void *blob, size_t len,
                    hwaddr addr, const char *fw_file_name,
                    FWCfgReadCallback fw_callback, void *callback_opaque)
 {
+    MachineState *machine = current_machine;
+    MachineClass *mc = MACHINE_GET_CLASS(machine);
     Rom *rom;
     void *data = NULL;
 
@@ -740,7 +742,7 @@ void *rom_add_blob(const char *name, const void *blob, size_t len,
 
         snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name);
 
-        if (rom_file_has_mr) {
+        if (mc->rom_file_has_mr) {
             data = rom_set_mr(rom, OBJECT(fw_cfg), devpath);
         } else {
             data = rom->data;
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 3eeb0a9..648e7fc 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -312,6 +312,7 @@ static void machine_class_base_init(ObjectClass *oc, void *data)
     MachineClass *mc = MACHINE_CLASS(oc);
     /* compat_props can't be simply memcpy()ed */
     mc->compat_props = g_list_copy(mc->compat_props);
+    mc->rom_file_has_mr = true;
 }
 
 static const TypeInfo machine_info = {
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 2de8ec3..e14b78e 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -294,14 +294,12 @@ static void pc_compat_2_0(MachineState *machine)
 static void pc_compat_1_7(MachineState *machine)
 {
     pc_compat_2_0(machine);
-    option_rom_has_mr = true;
     x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
 }
 
 static void pc_compat_1_6(MachineState *machine)
 {
     pc_compat_1_7(machine);
-    rom_file_has_mr = false;
 }
 
 static void pc_compat_1_5(MachineState *machine)
@@ -387,8 +385,6 @@ static void pc_init_pci_no_kvmclock(MachineState *machine)
 
 static void pc_init_isa(MachineState *machine)
 {
-    option_rom_has_mr = true;
-    rom_file_has_mr = false;
     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
     enable_compat_apic_id_mode();
     pc_init1(machine);
@@ -493,6 +489,7 @@ static void pc_i440fx_machine_v1_7_class_init(ObjectClass *oc, void *data)
     mc->default_machine_opts = NULL;
     mc->init = pc_init_pci_1_7;
     mc->name = "pc-i440fx-1.7";
+    mc->option_rom_has_mr = true;
     machine_class_add_compat_props(mc, compat_props);
     pcmc->smbios_defaults = false;
     pcmc->gigabyte_align = false;
@@ -516,6 +513,7 @@ static void pc_i440fx_machine_v1_6_class_init(ObjectClass *oc, void *data)
     pc_i440fx_machine_v1_7_class_init(oc, data);
     mc->init = pc_init_pci_1_6;
     mc->name = "pc-i440fx-1.6";
+    mc->rom_file_has_mr = false;
     machine_class_add_compat_props(mc, compat_props);
     pcmc->has_acpi_build = false;
 }
@@ -974,6 +972,8 @@ static void isapc_machine_class_init(ObjectClass *oc, void *data)
     mc->hot_add_cpu = NULL;
     mc->name = "isapc";
     mc->default_cpu_model = "486";
+    mc->option_rom_has_mr = true;
+    mc->rom_file_has_mr = false;
     machine_class_add_compat_props(mc, compat_props);
     pcmc->pci_enabled = false;
     pcmc->has_acpi_build = false;
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index d6f2053..0a637cb 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -271,14 +271,12 @@ static void pc_compat_2_0(MachineState *machine)
 static void pc_compat_1_7(MachineState *machine)
 {
     pc_compat_2_0(machine);
-    option_rom_has_mr = true;
     x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
 }
 
 static void pc_compat_1_6(MachineState *machine)
 {
     pc_compat_1_7(machine);
-    rom_file_has_mr = false;
 }
 
 static void pc_compat_1_5(MachineState *machine)
@@ -388,6 +386,7 @@ static void pc_q35_machine_v1_7_class_init(ObjectClass *oc, void *data)
     pc_q35_machine_v2_0_class_init(oc, data);
     mc->default_machine_opts = NULL;
     mc->init = pc_q35_init_1_7;
+    mc->option_rom_has_mr = true;
     machine_class_add_compat_props(mc, compat_props);
     mc->name = "pc-q35-1.7";
     pcmc->smbios_defaults = false;
@@ -410,6 +409,7 @@ static void pc_q35_machine_v1_6_class_init(ObjectClass *oc, void *data)
     };
     pc_q35_machine_v1_7_class_init(oc, data);
     mc->init = pc_q35_init_1_6;
+    mc->rom_file_has_mr = false;
     machine_class_add_compat_props(mc, compat_props);
     mc->name = "pc-q35-1.6";
     pcmc->has_acpi_build = false;
diff --git a/include/hw/boards.h b/include/hw/boards.h
index ca78f46..c50fcc3 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -103,6 +103,8 @@ struct MachineClass {
     GList *compat_props;
     const char *hw_version;
     const char *default_cpu_model;
+    bool option_rom_has_mr;
+    bool rom_file_has_mr;
 
     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
                                            DeviceState *dev);
-- 
1.9.3