Adding upstream version 6.9.7.upstream/6.9.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 27 insertions, 6 deletions

diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h
index e4944d517c..ef207a0d4f 100644
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -26,10 +26,10 @@
 #define ARM64_HW_PGTABLE_LEVELS(va_bits) (((va_bits) - 4) / (PAGE_SHIFT - 3))
 
 /*
- * Size mapped by an entry at level n ( 0 <= n <= 3)
+ * Size mapped by an entry at level n ( -1 <= n <= 3)
  * We map (PAGE_SHIFT - 3) at all translation levels and PAGE_SHIFT bits
  * in the final page. The maximum number of translation levels supported by
- * the architecture is 4. Hence, starting at level n, we have further
+ * the architecture is 5. Hence, starting at level n, we have further
  * ((4 - n) - 1) levels of translation excluding the offset within the page.
  * So, the total number of bits mapped by an entry at level n is :
  *
@@ -62,9 +62,16 @@
 #define PTRS_PER_PUD		(1 << (PAGE_SHIFT - 3))
 #endif
 
+#if CONFIG_PGTABLE_LEVELS > 4
+#define P4D_SHIFT		ARM64_HW_PGTABLE_LEVEL_SHIFT(0)
+#define P4D_SIZE		(_AC(1, UL) << P4D_SHIFT)
+#define P4D_MASK		(~(P4D_SIZE-1))
+#define PTRS_PER_P4D		(1 << (PAGE_SHIFT - 3))
+#endif
+
 /*
  * PGDIR_SHIFT determines the size a top-level page table entry can map
- * (depending on the configuration, this level can be 0, 1 or 2).
+ * (depending on the configuration, this level can be -1, 0, 1 or 2).
  */
 #define PGDIR_SHIFT		ARM64_HW_PGTABLE_LEVEL_SHIFT(4 - CONFIG_PGTABLE_LEVELS)
 #define PGDIR_SIZE		(_AC(1, UL) << PGDIR_SHIFT)
@@ -87,6 +94,15 @@
 /*
  * Hardware page table definitions.
  *
+ * Level -1 descriptor (PGD).
+ */
+#define PGD_TYPE_TABLE		(_AT(pgdval_t, 3) << 0)
+#define PGD_TABLE_BIT		(_AT(pgdval_t, 1) << 1)
+#define PGD_TYPE_MASK		(_AT(pgdval_t, 3) << 0)
+#define PGD_TABLE_PXN		(_AT(pgdval_t, 1) << 59)
+#define PGD_TABLE_UXN		(_AT(pgdval_t, 1) << 60)
+
+/*
  * Level 0 descriptor (P4D).
  */
 #define P4D_TYPE_TABLE		(_AT(p4dval_t, 3) << 0)
@@ -155,13 +171,17 @@
 #define PTE_PXN			(_AT(pteval_t, 1) << 53)	/* Privileged XN */
 #define PTE_UXN			(_AT(pteval_t, 1) << 54)	/* User XN */
 
-#define PTE_ADDR_LOW		(((_AT(pteval_t, 1) << (48 - PAGE_SHIFT)) - 1) << PAGE_SHIFT)
+#define PTE_ADDR_LOW		(((_AT(pteval_t, 1) << (50 - PAGE_SHIFT)) - 1) << PAGE_SHIFT)
 #ifdef CONFIG_ARM64_PA_BITS_52
+#ifdef CONFIG_ARM64_64K_PAGES
 #define PTE_ADDR_HIGH		(_AT(pteval_t, 0xf) << 12)
-#define PTE_ADDR_MASK		(PTE_ADDR_LOW | PTE_ADDR_HIGH)
 #define PTE_ADDR_HIGH_SHIFT	36
+#define PHYS_TO_PTE_ADDR_MASK	(PTE_ADDR_LOW | PTE_ADDR_HIGH)
 #else
-#define PTE_ADDR_MASK		PTE_ADDR_LOW
+#define PTE_ADDR_HIGH		(_AT(pteval_t, 0x3) << 8)
+#define PTE_ADDR_HIGH_SHIFT	42
+#define PHYS_TO_PTE_ADDR_MASK	GENMASK_ULL(49, 8)
+#endif
 #endif
 
 /*
@@ -284,6 +304,7 @@
 #define TCR_E0PD1		(UL(1) << 56)
 #define TCR_TCMA0		(UL(1) << 57)
 #define TCR_TCMA1		(UL(1) << 58)
+#define TCR_DS			(UL(1) << 59)
 
 /*
  * TTBR.