xnu-4903.221.2.tar.gz

[apple/xnu.git] / osfmk / arm64 / proc_reg.h

diff --git a/osfmk/arm64/proc_reg.h b/osfmk/arm64/proc_reg.h
index a6971fa74cd986df586f49cb914c0c33009b9993..914cce974043ad5ba19a3ef66353e9d0036ef31d 100644 (file)
--- a/osfmk/arm64/proc_reg.h
+++ b/osfmk/arm64/proc_reg.h
@@ -201,14 +201,6 @@
 
 #define SCTLR_RESERVED                 ((3 << 28) | (1 << 22) | (1 << 20) | (1 << 11))
 
 
 #define SCTLR_RESERVED                 ((3 << 28) | (1 << 22) | (1 << 20) | (1 << 11))
 

-// 31          PACIA_ENABLED            AddPACIA and AuthIA functions enabled
-#define SCTLR_PACIA_ENABLED            (1 << 31)
-// 30          PACIB_ENABLED            AddPACIB and AuthIB functions enabled
-#define SCTLR_PACIB_ENABLED            (1 << 30)
-// 29:28       RES1    11
-// 27          PACDA_ENABLED            AddPACDA and AuthDA functions enabled
-#define SCTLR_PACDA_ENABLED            (1 << 27)
-

 // 26          UCI             User Cache Instructions
 #define SCTLR_UCI_ENABLED              (1 << 26)
 
 // 26          UCI             User Cache Instructions
 #define SCTLR_UCI_ENABLED              (1 << 26)
 


@@ -242,7 +234,8 @@
 // 14          DZE             User Data Cache Zero (DC ZVA)
 #define SCTLR_DZE_ENABLED              (1 << 14)
 
 // 14          DZE             User Data Cache Zero (DC ZVA)
 #define SCTLR_DZE_ENABLED              (1 << 14)
 

-// 13          RES0    0
+// 13          PACDB_ENABLED            AddPACDB and AuthDB functions enabled
+#define SCTLR_PACDB_ENABLED            (1 << 13)

 
 // 12          I               Instruction cache enable
 #define SCTLR_I_ENABLED                        (1 << 12)
 
 // 12          I               Instruction cache enable
 #define SCTLR_I_ENABLED                        (1 << 12)


@@ -279,9 +272,7 @@
 // 0           M               MMU enable
 #define SCTLR_M_ENABLED                        (1 << 0)
 
 // 0           M               MMU enable
 #define SCTLR_M_ENABLED                        (1 << 0)
 

-#define SCTLR_PAC_DEFAULT              0
-
-#define SCTLR_EL1_DEFAULT              (SCTLR_PAC_DEFAULT | SCTLR_RESERVED | SCTLR_UCI_ENABLED | SCTLR_nTWE_WFE_ENABLED | SCTLR_DZE_ENABLED | \
+#define SCTLR_EL1_DEFAULT              (SCTLR_RESERVED | SCTLR_UCI_ENABLED | SCTLR_nTWE_WFE_ENABLED | SCTLR_DZE_ENABLED | \

                                                SCTLR_I_ENABLED | SCTLR_SED_DISABLED | SCTLR_CP15BEN_ENABLED |             \
                                                SCTLR_SA0_ENABLED | SCTLR_SA_ENABLED | SCTLR_C_ENABLED | SCTLR_M_ENABLED)
 
                                                SCTLR_I_ENABLED | SCTLR_SED_DISABLED | SCTLR_CP15BEN_ENABLED |             \
                                                SCTLR_SA0_ENABLED | SCTLR_SA_ENABLED | SCTLR_C_ENABLED | SCTLR_M_ENABLED)
 


@@ -520,7 +511,9 @@
  */
 #define MPIDR_AFF0_MASK                                0xFF
 #define MPIDR_AFF1_MASK                                0xFF00
  */
 #define MPIDR_AFF0_MASK                                0xFF
 #define MPIDR_AFF1_MASK                                0xFF00

+#define MPIDR_AFF1_SHIFT                       8

 #define MPIDR_AFF2_MASK                                0xFF0000
 #define MPIDR_AFF2_MASK                                0xFF0000

+#define MPIDR_AFF2_SHIFT                       16

 
 /*
  * We currently use a 3 level page table (rather than the full 4
 
 /*
  * We currently use a 3 level page table (rather than the full 4


@@ -774,6 +767,15 @@
 #endif /* __ARM64_PMAP_SUBPAGE_L1__ */
 #endif
 
 #endif /* __ARM64_PMAP_SUBPAGE_L1__ */
 #endif
 

+/* some sugar for getting pointers to page tables and entries */
+
+#define L1_TABLE_INDEX(va) (((va) & ARM_TT_L1_INDEX_MASK) >> ARM_TT_L1_SHIFT)
+#define L2_TABLE_INDEX(va) (((va) & ARM_TT_L2_INDEX_MASK) >> ARM_TT_L2_SHIFT)
+#define L3_TABLE_INDEX(va) (((va) & ARM_TT_L3_INDEX_MASK) >> ARM_TT_L3_SHIFT)
+
+#define L2_TABLE_VA(tte) ((tt_entry_t*) phystokv((*(tte)) & ARM_TTE_TABLE_MASK))
+#define L3_TABLE_VA(tte2) ((pt_entry_t*) phystokv((*(tte2)) & ARM_TTE_TABLE_MASK))
+

 /*
  *  L2 Translation table
  *
 /*
  *  L2 Translation table
  *


@@ -992,7 +994,7 @@
 #define ARM_TTE_BLOCK_NS_MASK          0x0000000000000020ULL   /* notSecure mapping mask */
 
 #define ARM_TTE_BLOCK_PNX                      0x0020000000000000ULL   /* value for privilege no execute bit */
 #define ARM_TTE_BLOCK_NS_MASK          0x0000000000000020ULL   /* notSecure mapping mask */
 
 #define ARM_TTE_BLOCK_PNX                      0x0020000000000000ULL   /* value for privilege no execute bit */

-#define ARM_TTE_BLOCK_PNXMASK          0x0020000000000000ULL   /* privilege execute mask */
+#define ARM_TTE_BLOCK_PNXMASK          0x0020000000000000ULL   /* privilege no execute mask */

 
 #define ARM_TTE_BLOCK_NX                       0x0040000000000000ULL   /* value for no execute */
 #define ARM_TTE_BLOCK_NXMASK           0x0040000000000000ULL   /* no execute mask */
 
 #define ARM_TTE_BLOCK_NX                       0x0040000000000000ULL   /* value for no execute */
 #define ARM_TTE_BLOCK_NXMASK           0x0040000000000000ULL   /* no execute mask */


@@ -1149,18 +1151,20 @@
 #define ARM_PTE_HINT_ENTRIES_SHIFT     7ULL                                    /* shift to construct the number of entries */
 #define ARM_PTE_HINT_ADDR_MASK         0x0000FFFFFFE00000ULL                   /* mask to extract the starting hint address */
 #define ARM_PTE_HINT_ADDR_SHIFT                21                                      /* shift for the hint address */
 #define ARM_PTE_HINT_ENTRIES_SHIFT     7ULL                                    /* shift to construct the number of entries */
 #define ARM_PTE_HINT_ADDR_MASK         0x0000FFFFFFE00000ULL                   /* mask to extract the starting hint address */
 #define ARM_PTE_HINT_ADDR_SHIFT                21                                      /* shift for the hint address */

+#define ARM_KVA_HINT_ADDR_MASK         0xFFFFFFFFFFE00000ULL                   /* mask to extract the starting hint address */

 #else
 #define ARM_PTE_HINT_ENTRIES           16ULL                                   /* number of entries the hint covers */
 #define ARM_PTE_HINT_ENTRIES_SHIFT     4ULL                                    /* shift to construct the number of entries */
 #define ARM_PTE_HINT_ADDR_MASK         0x0000FFFFFFFF0000ULL                   /* mask to extract the starting hint address */
 #define ARM_PTE_HINT_ADDR_SHIFT                16                                      /* shift for the hint address */
 #else
 #define ARM_PTE_HINT_ENTRIES           16ULL                                   /* number of entries the hint covers */
 #define ARM_PTE_HINT_ENTRIES_SHIFT     4ULL                                    /* shift to construct the number of entries */
 #define ARM_PTE_HINT_ADDR_MASK         0x0000FFFFFFFF0000ULL                   /* mask to extract the starting hint address */
 #define ARM_PTE_HINT_ADDR_SHIFT                16                                      /* shift for the hint address */

+#define ARM_KVA_HINT_ADDR_MASK         0xFFFFFFFFFFFF0000ULL                   /* mask to extract the starting hint address */

 #endif
 
 #endif
 

-#define ARM_PTE_PNX                                    0x0020000000000000ULL   /* value for no execute */
-#define ARM_PTE_PNXMASK                                0x0020000000000000ULL   /* no execute mask */
+#define ARM_PTE_PNX                                    0x0020000000000000ULL   /* value for privilege no execute bit */
+#define ARM_PTE_PNXMASK                                0x0020000000000000ULL   /* privilege no execute mask */

 
 

-#define ARM_PTE_NX                                     0x0040000000000000ULL   /* value for privilege no execute bit */
-#define ARM_PTE_NXMASK                         0x0040000000000000ULL   /* privilege execute mask */
+#define ARM_PTE_NX                                     0x0040000000000000ULL   /* value for no execute bit */
+#define ARM_PTE_NXMASK                         0x0040000000000000ULL   /* no execute mask */

 
 #define ARM_PTE_WIRED                          0x0080000000000000ULL   /* value for software wired bit */
 #define ARM_PTE_WIRED_MASK                     0x0080000000000000ULL   /* software wired mask */
 
 #define ARM_PTE_WIRED                          0x0080000000000000ULL   /* value for software wired bit */
 #define ARM_PTE_WIRED_MASK                     0x0080000000000000ULL   /* software wired mask */