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[Qemu-devel] [PATCH 04/15] i386: kvm: extract register switch to cpuid_e
From: |
Eduardo Habkost |
Subject: |
[Qemu-devel] [PATCH 04/15] i386: kvm: extract register switch to cpuid_entry_get_reg() function |
Date: |
Thu, 4 Oct 2012 17:48:56 -0300 |
No behavior change: just code movement.
Signed-off-by: Eduardo Habkost <address@hidden>
---
target-i386/kvm.c | 37 +++++++++++++++++++++++--------------
1 file changed, 23 insertions(+), 14 deletions(-)
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 22e8564..ae51573 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -123,6 +123,28 @@ static int get_para_features(KVMState *s)
}
+/* Returns the value for a specific register on the cpuid entry
+ */
+static uint32_t cpuid_entry_get_reg(struct kvm_cpuid_entry2 *entry, int reg)
+{
+ uint32_t ret = 0;
+ switch (reg) {
+ case R_EAX:
+ ret = entry->eax;
+ break;
+ case R_EBX:
+ ret = entry->ebx;
+ break;
+ case R_ECX:
+ ret = entry->ecx;
+ break;
+ case R_EDX:
+ ret = entry->edx;
+ break;
+ }
+ return ret;
+}
+
uint32_t kvm_arch_get_supported_cpuid(KVMState *s, uint32_t function,
uint32_t index, int reg)
{
@@ -142,20 +164,7 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s,
uint32_t function,
cpuid->entries[i].index == index) {
struct kvm_cpuid_entry2 *entry = &cpuid->entries[i];
found = true;
- switch (reg) {
- case R_EAX:
- ret = entry->eax;
- break;
- case R_EBX:
- ret = entry->ebx;
- break;
- case R_ECX:
- ret = entry->ecx;
- break;
- case R_EDX:
- ret = entry->edx;
- break;
- }
+ ret = cpuid_entry_get_reg(entry, reg);
}
}
--
1.7.11.4
- [Qemu-devel] [PATCH 00/15] QEMU KVM_GET_SUPPORTED_CPUID cleanups and fixes, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 01/15] i386: kvm: kvm_arch_get_supported_cpuid: move R_EDX hack outside of for loop, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 06/15] i386: kvm: extract try_get_cpuid() loop to get_supported_cpuid() function, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 11/15] i386: kvm: mask cpuid_kvm_features earlier, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 07/15] i386: kvm: kvm_arch_get_supported_cpuid: replace if+switch with single 'if', Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 10/15] i386: kvm: x2apic is not supported without in-kernel irqchip, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 08/15] i386: kvm: set CPUID_EXT_HYPERVISOR on kvm_arch_get_supported_cpuid(), Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 14/15] i386: kvm: reformat filter_features_for_kvm() code, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 04/15] i386: kvm: extract register switch to cpuid_entry_get_reg() function,
Eduardo Habkost <=
- [Qemu-devel] [PATCH 02/15] i386: kvm: kvm_arch_get_supported_cpuid: clean up has_kvm_features check, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 15/15] i386: kvm: filter CPUID leaf 7 based on GET_SUPPORTED_CPUID, too, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 13/15] i386: kvm: filter CPUID feature words earlier, on cpu.c, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 12/15] i386: kvm: mask cpuid_ext4_features bits earlier, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 05/15] i386: kvm: extract CPUID entry lookup to cpuid_find_entry() function, Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 09/15] i386: kvm: set CPUID_EXT_TSC_DEADLINE_TIMER on kvm_arch_get_supported_cpuid(), Eduardo Habkost, 2012/10/04
- [Qemu-devel] [PATCH 03/15] i386: kvm: kvm_arch_get_supported_cpuid: use 'entry' variable, Eduardo Habkost, 2012/10/04
- Re: [Qemu-devel] [PATCH 00/15] QEMU KVM_GET_SUPPORTED_CPUID cleanups and fixes, Eduardo Habkost, 2012/10/24
- Re: [Qemu-devel] [PATCH 00/15] QEMU KVM_GET_SUPPORTED_CPUID cleanups and fixes, Marcelo Tosatti, 2012/10/26