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[Qemu-devel] [PATCHv2 2/4] pc: refactor compat code


From: Michael S. Tsirkin
Subject: [Qemu-devel] [PATCHv2 2/4] pc: refactor compat code
Date: Mon, 27 Aug 2012 15:20:13 +0300

In preparation to adding PV EOI migration for 1.2,
trivially refactor some some compat code
to make it easier to add version specific
cpuid tweaks.

Signed-off-by: Michael S. Tsirkin <address@hidden>
---
 hw/pc_piix.c | 44 ++++++++++++++++++++++++++++++++++++--------
 1 file changed, 36 insertions(+), 8 deletions(-)

diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index a771d79..008d42f 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -369,6 +369,22 @@ static QEMUMachine pc_machine_v1_2 = {
     .default_machine_opts = KVM_MACHINE_OPTIONS,
 };
 
+static void pc_machine_v1_1_compat(void)
+{
+}
+
+static void pc_init_pci_v1_1(ram_addr_t ram_size,
+                             const char *boot_device,
+                             const char *kernel_filename,
+                             const char *kernel_cmdline,
+                             const char *initrd_filename,
+                             const char *cpu_model)
+{
+    pc_machine_v1_1_compat();
+    pc_init_pci(ram_size, boot_device, kernel_filename,
+                kernel_cmdline, initrd_filename, cpu_model);
+}
+
 #define PC_COMPAT_1_1 \
         {\
             .driver   = "virtio-scsi-pci",\
@@ -403,7 +419,7 @@ static QEMUMachine pc_machine_v1_2 = {
 static QEMUMachine pc_machine_v1_1 = {
     .name = "pc-1.1",
     .desc = "Standard PC",
-    .init = pc_init_pci,
+    .init = pc_init_pci_v1_1,
     .max_cpus = 255,
     .default_machine_opts = KVM_MACHINE_OPTIONS,
     .compat_props = (GlobalProperty[]) {
@@ -439,7 +455,7 @@ static QEMUMachine pc_machine_v1_1 = {
 static QEMUMachine pc_machine_v1_0 = {
     .name = "pc-1.0",
     .desc = "Standard PC",
-    .init = pc_init_pci,
+    .init = pc_init_pci_v1_1,
     .max_cpus = 255,
     .default_machine_opts = KVM_MACHINE_OPTIONS,
     .compat_props = (GlobalProperty[]) {
@@ -455,7 +471,7 @@ static QEMUMachine pc_machine_v1_0 = {
 static QEMUMachine pc_machine_v0_15 = {
     .name = "pc-0.15",
     .desc = "Standard PC",
-    .init = pc_init_pci,
+    .init = pc_init_pci_v1_1,
     .max_cpus = 255,
     .default_machine_opts = KVM_MACHINE_OPTIONS,
     .compat_props = (GlobalProperty[]) {
@@ -488,7 +504,7 @@ static QEMUMachine pc_machine_v0_15 = {
 static QEMUMachine pc_machine_v0_14 = {
     .name = "pc-0.14",
     .desc = "Standard PC",
-    .init = pc_init_pci,
+    .init = pc_init_pci_v1_1,
     .max_cpus = 255,
     .default_machine_opts = KVM_MACHINE_OPTIONS,
     .compat_props = (GlobalProperty[]) {
@@ -519,10 +535,22 @@ static QEMUMachine pc_machine_v0_14 = {
             .value    = stringify(1),\
         }
 
+static void pc_init_pci_v0_13(ram_addr_t ram_size,
+                             const char *boot_device,
+                             const char *kernel_filename,
+                             const char *kernel_cmdline,
+                             const char *initrd_filename,
+                             const char *cpu_model)
+{
+    pc_machine_v1_1_compat();
+    pc_init_pci_no_kvmclock(ram_size, boot_device, kernel_filename,
+                            kernel_cmdline, initrd_filename, cpu_model);
+}
+
 static QEMUMachine pc_machine_v0_13 = {
     .name = "pc-0.13",
     .desc = "Standard PC",
-    .init = pc_init_pci_no_kvmclock,
+    .init = pc_init_pci_v0_13,
     .max_cpus = 255,
     .default_machine_opts = KVM_MACHINE_OPTIONS,
     .compat_props = (GlobalProperty[]) {
@@ -560,7 +588,7 @@ static QEMUMachine pc_machine_v0_13 = {
 static QEMUMachine pc_machine_v0_12 = {
     .name = "pc-0.12",
     .desc = "Standard PC",
-    .init = pc_init_pci_no_kvmclock,
+    .init = pc_init_pci_v0_13,
     .max_cpus = 255,
     .default_machine_opts = KVM_MACHINE_OPTIONS,
     .compat_props = (GlobalProperty[]) {
@@ -594,7 +622,7 @@ static QEMUMachine pc_machine_v0_12 = {
 static QEMUMachine pc_machine_v0_11 = {
     .name = "pc-0.11",
     .desc = "Standard PC, qemu 0.11",
-    .init = pc_init_pci_no_kvmclock,
+    .init = pc_init_pci_v0_13,
     .max_cpus = 255,
     .default_machine_opts = KVM_MACHINE_OPTIONS,
     .compat_props = (GlobalProperty[]) {
@@ -616,7 +644,7 @@ static QEMUMachine pc_machine_v0_11 = {
 static QEMUMachine pc_machine_v0_10 = {
     .name = "pc-0.10",
     .desc = "Standard PC, qemu 0.10",
-    .init = pc_init_pci_no_kvmclock,
+    .init = pc_init_pci_v0_13,
     .max_cpus = 255,
     .default_machine_opts = KVM_MACHINE_OPTIONS,
     .compat_props = (GlobalProperty[]) {
-- 
MST




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