Signed-off-by: Andrew Jones <[email protected]>
---
x86/vmx_tests.c | 204 ++++++++++++++------------------------------------------
1 file changed, 49 insertions(+), 155 deletions(-)
diff --git a/x86/vmx_tests.c b/x86/vmx_tests.c
index 184fafc75f2d0..2630f23d1e33a 100644
--- a/x86/vmx_tests.c
+++ b/x86/vmx_tests.c
@@ -271,13 +271,8 @@ static void test_ctrl_pat_main()
wrmsr(MSR_IA32_CR_PAT, 0x6);
vmcall();
guest_ia32_pat = rdmsr(MSR_IA32_CR_PAT);
- if (ctrl_enter_rev.clr & ENT_LOAD_PAT) {
- if (guest_ia32_pat != ia32_pat) {
- report("Entry load PAT", 0);
- return;
- }
- report("Entry load PAT", 1);
- }
+ if (ctrl_enter_rev.clr & ENT_LOAD_PAT)
+ report("Entry load PAT", guest_ia32_pat == ia32_pat);
}
static int test_ctrl_pat_exit_handler()
@@ -295,19 +290,12 @@ static int test_ctrl_pat_exit_handler()
printf("\tEXI_SAVE_PAT is not supported\n");
vmcs_write(GUEST_PAT, 0x6);
} else {
- if (guest_pat == 0x6)
- report("Exit save PAT", 1);
- else
- report("Exit save PAT", 0);
+ report("Exit save PAT", guest_pat == 0x6);
}
if (!(ctrl_exit_rev.clr & EXI_LOAD_PAT))
printf("\tEXI_LOAD_PAT is not supported\n");
- else {
- if (rdmsr(MSR_IA32_CR_PAT) == ia32_pat)
- report("Exit load PAT", 1);
- else
- report("Exit load PAT", 0);
- }
+ else
+ report("Exit load PAT", rdmsr(MSR_IA32_CR_PAT) ==
ia32_pat);
vmcs_write(GUEST_PAT, ia32_pat);
vmcs_write(GUEST_RIP, guest_rip + 3);
return VMX_TEST_RESUME;
@@ -350,13 +338,8 @@ static void test_ctrl_efer_main()
wrmsr(MSR_EFER, ia32_efer);
vmcall();
guest_ia32_efer = rdmsr(MSR_EFER);
- if (ctrl_enter_rev.clr & ENT_LOAD_EFER) {
- if (guest_ia32_efer != ia32_efer) {
- report("Entry load EFER", 0);
- return;
- }
- report("Entry load EFER", 1);
- }
+ if (ctrl_enter_rev.clr & ENT_LOAD_EFER)
+ report("Entry load EFER", guest_ia32_efer == ia32_efer);
}
static int test_ctrl_efer_exit_handler()
@@ -374,19 +357,13 @@ static int test_ctrl_efer_exit_handler()
printf("\tEXI_SAVE_EFER is not supported\n");
vmcs_write(GUEST_EFER, ia32_efer);
} else {
- if (guest_efer == ia32_efer)
- report("Exit save EFER", 1);
- else
- report("Exit save EFER", 0);
+ report("Exit save EFER", guest_efer == ia32_efer);
}
if (!(ctrl_exit_rev.clr & EXI_LOAD_EFER)) {
printf("\tEXI_LOAD_EFER is not supported\n");
wrmsr(MSR_EFER, ia32_efer ^ EFER_NX);
} else {
- if (rdmsr(MSR_EFER) == (ia32_efer ^ EFER_NX))
- report("Exit load EFER", 1);
- else
- report("Exit load EFER", 0);
+ report("Exit load EFER", rdmsr(MSR_EFER) == (ia32_efer
^ EFER_NX));
}
vmcs_write(GUEST_PAT, ia32_efer);
vmcs_write(GUEST_RIP, guest_rip + 3);
@@ -436,20 +413,12 @@ static void cr_shadowing_main()
vmx_set_test_stage(4);
vmcall();
cr0 = read_cr0();
- if (vmx_get_test_stage() != 5) {
- if (cr0 == guest_cr0)
- report("Read shadowing CR0", 1);
- else
- report("Read shadowing CR0", 0);
- }
+ if (vmx_get_test_stage() != 5)
+ report("Read shadowing CR0", cr0 == guest_cr0);
vmx_set_test_stage(5);
cr4 = read_cr4();
- if (vmx_get_test_stage() != 6) {
- if (cr4 == guest_cr4)
- report("Read shadowing CR4", 1);
- else
- report("Read shadowing CR4", 0);
- }
+ if (vmx_get_test_stage() != 6)
+ report("Read shadowing CR4", cr4 == guest_cr4);
// Test write shadow (same value with shadow)
vmx_set_test_stage(6);
write_cr0(guest_cr0);
@@ -470,40 +439,28 @@ static void cr_shadowing_main()
"mov %%rsi, %%cr0\n\t"
::"m"(tmp)
:"rsi", "memory", "cc");
- if (vmx_get_test_stage() != 9)
- report("Write shadowing different X86_CR0_TS", 0);
- else
- report("Write shadowing different X86_CR0_TS", 1);
+ report("Write shadowing different X86_CR0_TS", vmx_get_test_stage() ==
9);
vmx_set_test_stage(9);
tmp = guest_cr0 ^ X86_CR0_MP;
asm volatile("mov %0, %%rsi\n\t"
"mov %%rsi, %%cr0\n\t"
::"m"(tmp)
:"rsi", "memory", "cc");
- if (vmx_get_test_stage() != 10)
- report("Write shadowing different X86_CR0_MP", 0);
- else
- report("Write shadowing different X86_CR0_MP", 1);
+ report("Write shadowing different X86_CR0_MP", vmx_get_test_stage() ==
10);
vmx_set_test_stage(10);
tmp = guest_cr4 ^ X86_CR4_TSD;
asm volatile("mov %0, %%rsi\n\t"
"mov %%rsi, %%cr4\n\t"
::"m"(tmp)
:"rsi", "memory", "cc");
- if (vmx_get_test_stage() != 11)
- report("Write shadowing different X86_CR4_TSD", 0);
- else
- report("Write shadowing different X86_CR4_TSD", 1);
+ report("Write shadowing different X86_CR4_TSD", vmx_get_test_stage() ==
11);
vmx_set_test_stage(11);
tmp = guest_cr4 ^ X86_CR4_DE;
asm volatile("mov %0, %%rsi\n\t"
"mov %%rsi, %%cr4\n\t"
::"m"(tmp)
:"rsi", "memory", "cc");
- if (vmx_get_test_stage() != 12)
- report("Write shadowing different X86_CR4_DE", 0);
- else
- report("Write shadowing different X86_CR4_DE", 1);
+ report("Write shadowing different X86_CR4_DE", vmx_get_test_stage() ==
12);
}
static int cr_shadowing_exit_handler()
@@ -521,28 +478,16 @@ static int cr_shadowing_exit_handler()
case VMX_VMCALL:
switch (vmx_get_test_stage()) {
case 0:
- if (guest_cr0 == vmcs_read(GUEST_CR0))
- report("Read through CR0", 1);
- else
- report("Read through CR0", 0);
+ report("Read through CR0", guest_cr0 ==
vmcs_read(GUEST_CR0));
break;
case 1:
- if (guest_cr4 == vmcs_read(GUEST_CR4))
- report("Read through CR4", 1);
- else
- report("Read through CR4", 0);
+ report("Read through CR4", guest_cr4 ==
vmcs_read(GUEST_CR4));
break;
case 2:
- if (guest_cr0 == vmcs_read(GUEST_CR0))
- report("Write through CR0", 1);
- else
- report("Write through CR0", 0);
+ report("Write through CR0", guest_cr0 ==
vmcs_read(GUEST_CR0));
break;
case 3:
- if (guest_cr4 == vmcs_read(GUEST_CR4))
- report("Write through CR4", 1);
- else
- report("Write through CR4", 0);
+ report("Write through CR4", guest_cr4 ==
vmcs_read(GUEST_CR4));
break;
case 4:
guest_cr0 = vmcs_read(GUEST_CR0) ^ (X86_CR0_TS |
X86_CR0_MP);
@@ -553,16 +498,12 @@ static int cr_shadowing_exit_handler()
vmcs_write(CR4_READ_SHADOW, guest_cr4 & (X86_CR4_TSD |
X86_CR4_DE));
break;
case 6:
- if (guest_cr0 == (vmcs_read(GUEST_CR0) ^ (X86_CR0_TS |
X86_CR0_MP)))
- report("Write shadowing CR0 (same value)", 1);
- else
- report("Write shadowing CR0 (same value)", 0);
+ report("Write shadowing CR0 (same value)",
+ guest_cr0 == (vmcs_read(GUEST_CR0) ^
(X86_CR0_TS | X86_CR0_MP)));
break;
case 7:
- if (guest_cr4 == (vmcs_read(GUEST_CR4) ^ (X86_CR4_TSD |
X86_CR4_DE)))
- report("Write shadowing CR4 (same value)", 1);
- else
- report("Write shadowing CR4 (same value)", 0);
+ report("Write shadowing CR4 (same value)",
+ guest_cr4 == (vmcs_read(GUEST_CR4) ^
(X86_CR4_TSD | X86_CR4_DE)));
break;
default:
// Should not reach here
@@ -642,59 +583,37 @@ static void iobmp_main()
vmx_set_test_stage(0);
inb(0x5000);
outb(0x0, 0x5000);
- if (vmx_get_test_stage() != 0)
- report("I/O bitmap - I/O pass", 0);
- else
- report("I/O bitmap - I/O pass", 1);
+ report("I/O bitmap - I/O pass", vmx_get_test_stage() == 0);
// test IO width, in/out
((u8 *)io_bitmap_a)[0] = 0xFF;
vmx_set_test_stage(2);
inb(0x0);
- if (vmx_get_test_stage() != 3)
- report("I/O bitmap - trap in", 0);
- else
- report("I/O bitmap - trap in", 1);
+ report("I/O bitmap - trap in", vmx_get_test_stage() == 3);
vmx_set_test_stage(3);
outw(0x0, 0x0);
- if (vmx_get_test_stage() != 4)
- report("I/O bitmap - trap out", 0);
- else
- report("I/O bitmap - trap out", 1);
+ report("I/O bitmap - trap out", vmx_get_test_stage() == 4);
vmx_set_test_stage(4);
inl(0x0);
- if (vmx_get_test_stage() != 5)
- report("I/O bitmap - I/O width, long", 0);
+ report("I/O bitmap - I/O width, long", vmx_get_test_stage() == 5);
// test low/high IO port
vmx_set_test_stage(5);
((u8 *)io_bitmap_a)[0x5000 / 8] = (1 << (0x5000 % 8));
inb(0x5000);
- if (vmx_get_test_stage() == 6)
- report("I/O bitmap - I/O port, low part", 1);
- else
- report("I/O bitmap - I/O port, low part", 0);
+ report("I/O bitmap - I/O port, low part", vmx_get_test_stage() == 6);
vmx_set_test_stage(6);
((u8 *)io_bitmap_b)[0x1000 / 8] = (1 << (0x1000 % 8));
inb(0x9000);
- if (vmx_get_test_stage() == 7)
- report("I/O bitmap - I/O port, high part", 1);
- else
- report("I/O bitmap - I/O port, high part", 0);
+ report("I/O bitmap - I/O port, high part", vmx_get_test_stage() == 7);
// test partial pass
vmx_set_test_stage(7);
inl(0x4FFF);
- if (vmx_get_test_stage() == 8)
- report("I/O bitmap - partial pass", 1);
- else
- report("I/O bitmap - partial pass", 0);
+ report("I/O bitmap - partial pass", vmx_get_test_stage() == 8);
// test overrun
vmx_set_test_stage(8);
memset(io_bitmap_a, 0x0, PAGE_SIZE);
memset(io_bitmap_b, 0x0, PAGE_SIZE);
inl(0xFFFF);
- if (vmx_get_test_stage() == 9)
- report("I/O bitmap - overrun", 1);
- else
- report("I/O bitmap - overrun", 0);
+ report("I/O bitmap - overrun", vmx_get_test_stage() == 9);
vmx_set_test_stage(9);
vmcall();
outb(0x0, 0x0);
@@ -725,32 +644,21 @@ static int iobmp_exit_handler()
vmx_inc_test_stage();
break;
case 2:
- if ((exit_qual & VMX_IO_SIZE_MASK) != _VMX_IO_BYTE)
- report("I/O bitmap - I/O width, byte", 0);
- else
- report("I/O bitmap - I/O width, byte", 1);
- if (!(exit_qual & VMX_IO_IN))
- report("I/O bitmap - I/O direction, in", 0);
- else
- report("I/O bitmap - I/O direction, in", 1);
+ report("I/O bitmap - I/O width, byte",
+ (exit_qual & VMX_IO_SIZE_MASK) ==
_VMX_IO_BYTE);
+ report("I/O bitmap - I/O direction, in", exit_qual &
VMX_IO_IN);
vmx_inc_test_stage();
break;
case 3:
- if ((exit_qual & VMX_IO_SIZE_MASK) != _VMX_IO_WORD)
- report("I/O bitmap - I/O width, word", 0);
- else
- report("I/O bitmap - I/O width, word", 1);
- if (!(exit_qual & VMX_IO_IN))
- report("I/O bitmap - I/O direction, out", 1);
- else
- report("I/O bitmap - I/O direction, out", 0);
+ report("I/O bitmap - I/O width, word",
+ (exit_qual & VMX_IO_SIZE_MASK) ==
_VMX_IO_WORD);
+ report("I/O bitmap - I/O direction, out",
+ !(exit_qual & VMX_IO_IN));
vmx_inc_test_stage();
break;
case 4:
- if ((exit_qual & VMX_IO_SIZE_MASK) != _VMX_IO_LONG)
- report("I/O bitmap - I/O width, long", 0);
- else
- report("I/O bitmap - I/O width, long", 1);
+ report("I/O bitmap - I/O width, long",
+ (exit_qual & VMX_IO_SIZE_MASK) ==
_VMX_IO_LONG);
vmx_inc_test_stage();
break;
case 5:
@@ -922,8 +830,6 @@ static int insn_intercept_init()
static void insn_intercept_main()
{
- char msg[80];
-
for (cur_insn = 0; insn_table[cur_insn].name != NULL; cur_insn++) {
vmx_set_test_stage(cur_insn * 2);
if ((insn_table[cur_insn].type == INSN_CPU0 &&
@@ -943,9 +849,8 @@ static void insn_intercept_main()
/* skip hlt, it stalls the guest and is tested below */
if (insn_table[cur_insn].insn_func != insn_hlt)
insn_table[cur_insn].insn_func();
- snprintf(msg, sizeof(msg), "execute %s",
- insn_table[cur_insn].name);
- report(msg, vmx_get_test_stage() == cur_insn * 2);
+ report("execute %s", vmx_get_test_stage() == cur_insn *
2,
+ insn_table[cur_insn].name);
} else if (insn_table[cur_insn].type != INSN_ALWAYS_TRAP)
printf("\tCPU_CTRL%d.CPU_%s always traps.\n",
insn_table[cur_insn].type - INSN_CPU0,
@@ -954,9 +859,8 @@ static void insn_intercept_main()
vmcall();
insn_table[cur_insn].insn_func();
- snprintf(msg, sizeof(msg), "intercept %s",
- insn_table[cur_insn].name);
- report(msg, vmx_get_test_stage() == cur_insn * 2 + 1);
+ report("intercept %s", vmx_get_test_stage() == cur_insn * 2 + 1,
+ insn_table[cur_insn].name);
vmx_set_test_stage(cur_insn * 2 + 1);
vmcall();
@@ -1115,28 +1019,18 @@ static void ept_main()
vmx_set_test_stage(2);
vmcall();
*((u32 *)data_page1) = MAGIC_VAL_1;
- if (vmx_get_test_stage() != 3) {
- report("EPT misconfigurations", 0);
- goto t1;
- }
- report("EPT misconfigurations", 1);
+ report("EPT misconfigurations", vmx_get_test_stage() == 3);
t1:
// Test EPT violation
vmx_set_test_stage(3);
vmcall();
*((u32 *)data_page1) = MAGIC_VAL_1;
- if (vmx_get_test_stage() == 4)
- report("EPT violation - page permission", 1);
- else
- report("EPT violation - page permission", 0);
+ report("EPT violation - page permission", vmx_get_test_stage() == 4);
// Violation caused by EPT paging structure
vmx_set_test_stage(4);
vmcall();
*((u32 *)data_page1) = MAGIC_VAL_2;
- if (vmx_get_test_stage() == 5)
- report("EPT violation - paging structure", 1);
- else
- report("EPT violation - paging structure", 0);
+ report("EPT violation - paging structure", vmx_get_test_stage() == 5);
// Test EPT access to L1 MMIO
vmx_set_test_stage(6);
--
1.9.3
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
