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Diffstat (limited to 'arch/x86/include/asm/vmware.h')
-rw-r--r--arch/x86/include/asm/vmware.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/x86/include/asm/vmware.h b/arch/x86/include/asm/vmware.h
index e00c9e875933..ac9fc51e2b18 100644
--- a/arch/x86/include/asm/vmware.h
+++ b/arch/x86/include/asm/vmware.h
@@ -4,6 +4,7 @@
#include <asm/cpufeatures.h>
#include <asm/alternative.h>
+#include <linux/stringify.h>
/*
* The hypercall definitions differ in the low word of the %edx argument
@@ -20,8 +21,8 @@
*/
/* Old port-based version */
-#define VMWARE_HYPERVISOR_PORT "0x5658"
-#define VMWARE_HYPERVISOR_PORT_HB "0x5659"
+#define VMWARE_HYPERVISOR_PORT 0x5658
+#define VMWARE_HYPERVISOR_PORT_HB 0x5659
/* Current vmcall / vmmcall version */
#define VMWARE_HYPERVISOR_HB BIT(0)
@@ -29,7 +30,8 @@
/* The low bandwidth call. The low word of edx is presumed clear. */
#define VMWARE_HYPERCALL \
- ALTERNATIVE_2("movw $" VMWARE_HYPERVISOR_PORT ", %%dx; inl (%%dx)", \
+ ALTERNATIVE_2("movw $" __stringify(VMWARE_HYPERVISOR_PORT) ", %%dx; " \
+ "inl (%%dx), %%eax", \
"vmcall", X86_FEATURE_VMCALL, \
"vmmcall", X86_FEATURE_VMW_VMMCALL)
@@ -38,7 +40,8 @@
* HB and OUT bits set.
*/
#define VMWARE_HYPERCALL_HB_OUT \
- ALTERNATIVE_2("movw $" VMWARE_HYPERVISOR_PORT_HB ", %%dx; rep outsb", \
+ ALTERNATIVE_2("movw $" __stringify(VMWARE_HYPERVISOR_PORT_HB) ", %%dx; " \
+ "rep outsb", \
"vmcall", X86_FEATURE_VMCALL, \
"vmmcall", X86_FEATURE_VMW_VMMCALL)
@@ -47,7 +50,8 @@
* HB bit set.
*/
#define VMWARE_HYPERCALL_HB_IN \
- ALTERNATIVE_2("movw $" VMWARE_HYPERVISOR_PORT_HB ", %%dx; rep insb", \
+ ALTERNATIVE_2("movw $" __stringify(VMWARE_HYPERVISOR_PORT_HB) ", %%dx; " \
+ "rep insb", \
"vmcall", X86_FEATURE_VMCALL, \
"vmmcall", X86_FEATURE_VMW_VMMCALL)
#endif