Reconstruct VMX codes and put all VMX test suites in x86/vmx_tests.c.
Signed-off-by: Arthur Chunqi Li <yzt356@xxxxxxxxx>
---
config-x86-common.mak | 2 +-
x86/vmx.c | 71 +++----------------------------------------------
x86/vmx.h | 43 ++++++++++++++++++++++++------
x86/vmx_tests.c | 43 ++++++++++++++++++++++++++++++
x86/vmx_tests.h | 7 +++++
5 files changed, 90 insertions(+), 76 deletions(-)
create mode 100644 x86/vmx_tests.c
create mode 100644 x86/vmx_tests.h
diff --git a/config-x86-common.mak b/config-x86-common.mak
index 34a41e1..bf88c67 100644
--- a/config-x86-common.mak
+++ b/config-x86-common.mak
@@ -101,7 +101,7 @@ $(TEST_DIR)/asyncpf.elf: $(cstart.o) $(TEST_DIR)/asyncpf.o
$(TEST_DIR)/pcid.elf: $(cstart.o) $(TEST_DIR)/pcid.o
-$(TEST_DIR)/vmx.elf: $(cstart.o) $(TEST_DIR)/vmx.o
+$(TEST_DIR)/vmx.elf: $(cstart.o) $(TEST_DIR)/vmx.o $(TEST_DIR)/vmx_tests.o
arch_clean:
$(RM) $(TEST_DIR)/*.o $(TEST_DIR)/*.flat $(TEST_DIR)/*.elf \
diff --git a/x86/vmx.c b/x86/vmx.c
index 082c3bb..397554a 100644
--- a/x86/vmx.c
+++ b/x86/vmx.c
@@ -6,19 +6,7 @@
#include "msr.h"
#include "smp.h"
#include "io.h"
-
-int fails = 0, tests = 0;
-u32 *vmxon_region;
-struct vmcs *vmcs_root;
-u32 vpid_cnt;
-void *guest_stack, *guest_syscall_stack;
-u32 ctrl_pin, ctrl_enter, ctrl_exit, ctrl_cpu[2];
-ulong fix_cr0_set, fix_cr0_clr;
-ulong fix_cr4_set, fix_cr4_clr;
-struct regs regs;
-struct vmx_test *current;
-u64 hypercall_field = 0;
-bool launched;
+#include "vmx_tests.h"
extern u64 gdt64_desc[];
extern u64 idt_descr[];
@@ -27,17 +15,6 @@ extern void *vmx_return;
extern void *entry_sysenter;
extern void *guest_entry;
-static void report(const char *name, int result)
-{
- ++tests;
- if (result)
- printf("PASS: %s\n", name);
- else {
- printf("FAIL: %s\n", name);
- ++fails;
- }
-}
-
static int make_vmcs_current(struct vmcs *vmcs)
{
bool ret;
@@ -80,7 +57,7 @@ static inline int vmx_off()
return ret;
}
-static void print_vmexit_info()
+void print_vmexit_info()
{
u64 guest_rip, guest_rsp;
ulong reason = vmcs_read(EXI_REASON) & 0xff;
@@ -587,48 +564,6 @@ static void basic_syscall_handler(u64 syscall_no)
{
}
-static void vmenter_main()
-{
- u64 rax;
- u64 rsp, resume_rsp;
-
- report("test vmlaunch", 1);
-
- asm volatile(
- "mov %%rsp, %0\n\t"
- "mov %3, %%rax\n\t"
- "vmcall\n\t"
- "mov %%rax, %1\n\t"
- "mov %%rsp, %2\n\t"
- : "=r"(rsp), "=r"(rax), "=r"(resume_rsp)
- : "g"(0xABCD));
- report("test vmresume", (rax == 0xFFFF) && (rsp == resume_rsp));
-}
-
-static int vmenter_exit_handler()
-{
- u64 guest_rip;
- ulong reason;
-
- guest_rip = vmcs_read(GUEST_RIP);
- reason = vmcs_read(EXI_REASON) & 0xff;
- switch (reason) {
- case VMX_VMCALL:
- if (current->guest_regs.rax != 0xABCD) {
- report("test vmresume", 0);
- return VMX_TEST_VMEXIT;
- }
- current->guest_regs.rax = 0xFFFF;
- vmcs_write(GUEST_RIP, guest_rip + 3);
- return VMX_TEST_RESUME;
- default:
- report("test vmresume", 0);
- print_vmexit_info();
- }
- return VMX_TEST_VMEXIT;
-}
-
-
/* name/init/guest_main/exit_handler/syscall_handler/guest_regs
basic_* just implement some basic functions */
static struct vmx_test vmx_tests[] = {
@@ -644,6 +579,8 @@ int main(void)
setup_vm();
setup_idt();
+ fails = tests = 0;
+ hypercall_field = 0;
if (test_vmx_capability() != 0) {
printf("ERROR : vmx not supported, check +vmx option\n");
diff --git a/x86/vmx.h b/x86/vmx.h
index d80e000..f82bf5a 100644
--- a/x86/vmx.h
+++ b/x86/vmx.h
@@ -1,5 +1,5 @@
-#ifndef __HYPERVISOR_H
-#define __HYPERVISOR_H
+#ifndef __VMX_H
+#define __VMX_H
#include "libcflat.h"
@@ -41,7 +41,7 @@ struct vmx_test {
int exits;
};
-static union vmx_basic {
+union vmx_basic {
u64 val;
struct {
u32 revision;
@@ -55,35 +55,35 @@ static union vmx_basic {
};
} basic;
-static union vmx_ctrl_pin {
+union vmx_ctrl_pin {
u64 val;
struct {
u32 set, clr;
};
} ctrl_pin_rev;
-static union vmx_ctrl_cpu {
+union vmx_ctrl_cpu {
u64 val;
struct {
u32 set, clr;
};
} ctrl_cpu_rev[2];
-static union vmx_ctrl_exit {
+union vmx_ctrl_exit {
u64 val;
struct {
u32 set, clr;
};
} ctrl_exit_rev;
-static union vmx_ctrl_ent {
+union vmx_ctrl_ent {
u64 val;
struct {
u32 set, clr;
};
} ctrl_enter_rev;
-static union vmx_ept_vpid {
+union vmx_ept_vpid {
u64 val;
struct {
u32:16,
@@ -432,6 +432,20 @@ enum Ctrl1 {
#define HYPERCALL_MASK 0xFFF
#define HYPERCALL_VMEXIT 0x1
+
+u32 *vmxon_region;
+struct vmcs *vmcs_root;
+void *guest_stack, *guest_syscall_stack;
+int fails, tests;
+u64 hypercall_field;
+u32 vpid_cnt;
+u32 ctrl_pin, ctrl_enter, ctrl_exit, ctrl_cpu[2];
+ulong fix_cr0_set, fix_cr0_clr;
+ulong fix_cr4_set, fix_cr4_clr;
+struct regs regs;
+struct vmx_test *current;
+bool launched;
+
static inline int vmcs_clear(struct vmcs *vmcs)
{
bool ret;
@@ -462,5 +476,18 @@ static inline int vmcs_save(struct vmcs **vmcs)
return ret;
}
+static inline void report(const char *name, int result)
+{
+ ++tests;
+ if (result)
+ printf("PASS: %s\n", name);
+ else {
+ printf("FAIL: %s\n", name);
+ ++fails;
+ }
+}
+
+void print_vmexit_info();
+
#endif
diff --git a/x86/vmx_tests.c b/x86/vmx_tests.c
new file mode 100644
index 0000000..6bd36b0
--- /dev/null
+++ b/x86/vmx_tests.c
@@ -0,0 +1,43 @@
+#include "vmx.h"
+
+void vmenter_main()
+{
+ u64 rax;
+ u64 rsp, resume_rsp;
+
+ report("test vmlaunch", 1);
+
+ asm volatile(
+ "mov %%rsp, %0\n\t"
+ "mov %3, %%rax\n\t"
+ "vmcall\n\t"
+ "mov %%rax, %1\n\t"
+ "mov %%rsp, %2\n\t"
+ : "=r"(rsp), "=r"(rax), "=r"(resume_rsp)
+ : "g"(0xABCD));
+ report("test vmresume", (rax == 0xFFFF) && (rsp == resume_rsp));
+}
+
+int vmenter_exit_handler()
+{
+ u64 guest_rip;
+ ulong reason;
+
+ guest_rip = vmcs_read(GUEST_RIP);
+ reason = vmcs_read(EXI_REASON) & 0xff;
+ switch (reason) {
+ case VMX_VMCALL:
+ if (current->guest_regs.rax != 0xABCD) {
+ report("test vmresume", 0);
+ return VMX_TEST_VMEXIT;
+ }
+ current->guest_regs.rax = 0xFFFF;
+ vmcs_write(GUEST_RIP, guest_rip + 3);
+ return VMX_TEST_RESUME;
+ default:
+ report("test vmresume", 0);
+ print_vmexit_info();
+ }
+ return VMX_TEST_VMEXIT;
+}
+
diff --git a/x86/vmx_tests.h b/x86/vmx_tests.h
new file mode 100644
index 0000000..41580ff
--- /dev/null
+++ b/x86/vmx_tests.h
@@ -0,0 +1,7 @@
+#ifndef __VMX_TESTS_H
+#define __VMX_TESTS_H
+
+void vmenter_main();
+int vmenter_exit_handler();
+
+#endif
--
1.7.9.5
--
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