[PATCH v3 04/10] KVM: selftests: Move GPR load/save definitions outside of nSVM code

[Yosry Ahmed]

In preparation for reusing the code for nVMX tests, move the guest_regs
array declaration as well as GPR switching macro to processor.h.

No functional change intended.

Signed-off-by: Yosry Ahmed <yosry@xxxxxxxxxx>
---
 tools/testing/selftests/kvm/include/x86/processor.h | 5 +++++
 tools/testing/selftests/kvm/lib/x86/processor.c     | 2 ++
 tools/testing/selftests/kvm/lib/x86/svm.c           | 4 ----
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/testing/selftests/kvm/include/x86/processor.h
index 535f26e077570..28edeab74e0e6 100644
--- a/tools/testing/selftests/kvm/include/x86/processor.h
+++ b/tools/testing/selftests/kvm/include/x86/processor.h
@@ -414,6 +414,11 @@ static inline unsigned int x86_model(unsigned int eax)
 #define GUEST_REGS_R15	15
 #define NR_GUEST_REGS	(GUEST_REGS_R15 + 1)
 
+extern u64 guest_regs[NR_GUEST_REGS];
+
+#define GUEST_SWITCH_GPR_ASM(reg, idx) \
+	"xchg %%" #reg ", guest_regs + 8 *" XSTR(idx) "\n\t"
+
 struct desc64 {
 	u16 limit0;
 	u16 base0;
diff --git a/tools/testing/selftests/kvm/lib/x86/processor.c b/tools/testing/selftests/kvm/lib/x86/processor.c
index ef56dcefe0119..0d66aff04939b 100644
--- a/tools/testing/selftests/kvm/lib/x86/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86/processor.c
@@ -29,6 +29,8 @@ bool host_cpu_is_amd_compatible;
 bool is_forced_emulation_enabled;
 u64 guest_tsc_khz;
 
+u64 guest_regs[NR_GUEST_REGS];
+
 const char *ex_str(int vector)
 {
 	switch (vector) {
diff --git a/tools/testing/selftests/kvm/lib/x86/svm.c b/tools/testing/selftests/kvm/lib/x86/svm.c
index 8e392e0451123..d07f10b5dc963 100644
--- a/tools/testing/selftests/kvm/lib/x86/svm.c
+++ b/tools/testing/selftests/kvm/lib/x86/svm.c
@@ -13,7 +13,6 @@
 
 #define SEV_DEV_PATH "/dev/sev"
 
-u64 guest_regs[NR_GUEST_REGS];
 u64 rflags;
 
 /* Allocate memory regions for nested SVM tests.
@@ -133,9 +132,6 @@ void generic_svm_setup(struct svm_test_data *svm, void *guest_rip)
 	}
 }
 
-#define GUEST_SWITCH_GPR_ASM(reg, idx) \
-	"xchg %%" #reg ", guest_regs + 8 *" XSTR(idx) "\n\t"
-
 /*
  * save/restore 64-bit general registers except rax, rip, rsp
  * which are directly handed through the VMCB guest processor state
-- 
2.55.0.rc0.799.gd6f94ed593-goog