diff options
Diffstat (limited to 'ArmPlatformPkg/Include')
| -rw-r--r-- | ArmPlatformPkg/Include/Drivers/ArmTrustzone.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/ArmPlatformPkg/Include/Drivers/ArmTrustzone.h b/ArmPlatformPkg/Include/Drivers/ArmTrustzone.h index 78e98aad53..827b5cd568 100644 --- a/ArmPlatformPkg/Include/Drivers/ArmTrustzone.h +++ b/ArmPlatformPkg/Include/Drivers/ArmTrustzone.h @@ -71,6 +71,22 @@ TZPCClearDecProtBits ( #define TZASC_REGION_SECURITY_NSW 1
#define TZASC_REGION_SECURITY_NSRW (TZASC_REGION_SECURITY_NSR|TZASC_REGION_SECURITY_NSW)
+/* Some useful masks */
+#define TZASC_REGION_SETUP_LO_ADDR_MASK 0xFFFF8000
+
+#define TZASC_REGION_ATTR_SECURITY_MASK 0xF
+#define TZASC_REGION_ATTR_SUBREG_DIS_MASK 0xFF
+#define TZASC_REGION_ATTR_SIZE_MASK 0x3F
+#define TZASC_REGION_ATTR_EN_MASK 0x1
+
+#define TZASC_REGION_SETUP_LO_ADDR(x) ((x) & TZASC_REGION_SETUP_LO_ADDR_MASK)
+
+#define TZASC_REGION_ATTR_SECURITY(x) (((x) & TZASC_REGION_ATTR_SECURITY_MASK) << 28)
+#define TZASC_REGION_ATTR_SUBREG_DISABLE(x) \
+ (((x) & TZASC_REGION_ATTR_SUBREG_DIS_MASK) << 8)
+#define TZASC_REGION_ATTR_SIZE(x) (((x) & TZASC_REGION_ATTR_SIZE_MASK) << 1)
+#define TZASC_REGION_ATTR_ENABLE(x) ((x) & TZASC_REGION_ATTR_EN_MASK)
+
/**
FIXME: Need documentation
**/
@@ -82,7 +98,8 @@ TZASCSetRegion ( IN UINTN LowAddress,
IN UINTN HighAddress,
IN UINTN Size,
- IN UINTN Security
+ IN UINTN Security,
+ IN UINTN SubregionDisableMask
);
#endif
|