Signed-off-by: Andrew Jones <[email protected]>
---
lib/arm/asm/page.h | 22 +++++++++++++++
lib/arm/asm/pgtable-hwdef.h | 65 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 87 insertions(+)
create mode 100644 lib/arm/asm/pgtable-hwdef.h
diff --git a/lib/arm/asm/page.h b/lib/arm/asm/page.h
index 4602d735b7886..6ff849a0c0e3b 100644
--- a/lib/arm/asm/page.h
+++ b/lib/arm/asm/page.h
@@ -18,6 +18,28 @@
#include <asm/setup.h>
+typedef u64 pteval_t;
+typedef u64 pmdval_t;
+typedef u64 pgdval_t;
+typedef struct { pteval_t pte; } pte_t;
+typedef struct { pmdval_t pmd; } pmd_t;
+typedef struct { pgdval_t pgd; } pgd_t;
+typedef struct { pteval_t pgprot; } pgprot_t;
+
+#define pte_val(x) ((x).pte)
+#define pmd_val(x) ((x).pmd)
+#define pgd_val(x) ((x).pgd)
+#define pgprot_val(x) ((x).pgprot)
+
+#define __pte(x) ((pte_t) { (x) } )
+#define __pmd(x) ((pmd_t) { (x) } )
+#define __pgd(x) ((pgd_t) { (x) } )
+#define __pgprot(x) ((pgprot_t) { (x) } )
+
+typedef struct { pgd_t pgd; } pud_t;
+#define pud_val(x) (pgd_val((x).pgd))
+#define __pud(x) ((pud_t) { __pgd(x) } )
+
#ifndef __virt_to_phys
#define __phys_to_virt(x) ((unsigned long) (x))
#define __virt_to_phys(x) (x)
diff --git a/lib/arm/asm/pgtable-hwdef.h b/lib/arm/asm/pgtable-hwdef.h
new file mode 100644
index 0000000000000..a2564aaca05a3
--- /dev/null
+++ b/lib/arm/asm/pgtable-hwdef.h
@@ -0,0 +1,65 @@
+#ifndef _ASMARM_PGTABLE_HWDEF_H_
+#define _ASMARM_PGTABLE_HWDEF_H_
+/*
+ * From arch/arm/include/asm/pgtable-3level-hwdef.h
+ */
+
+/*
+ * Hardware page table definitions.
+ *
+ * + Level 1/2 descriptor
+ * - common
+ */
+#define PMD_TYPE_MASK (_AT(pmdval_t, 3) << 0)
+#define PMD_TYPE_FAULT (_AT(pmdval_t, 0) << 0)
+#define PMD_TYPE_TABLE (_AT(pmdval_t, 3) << 0)
+#define PMD_TYPE_SECT (_AT(pmdval_t, 1) << 0)
+#define PMD_TABLE_BIT (_AT(pmdval_t, 1) << 1)
+#define PMD_BIT4 (_AT(pmdval_t, 0))
+#define PMD_DOMAIN(x) (_AT(pmdval_t, 0))
+#define PMD_APTABLE_SHIFT (61)
+#define PMD_APTABLE (_AT(pgdval_t, 3) << PGD_APTABLE_SHIFT)
+#define PMD_PXNTABLE (_AT(pgdval_t, 1) << 59)
+
+/*
+ * - section
+ */
+#define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2)
+#define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3)
+#define PMD_SECT_USER (_AT(pmdval_t, 1) << 6) /* AP[1] */
+#define PMD_SECT_AP2 (_AT(pmdval_t, 1) << 7) /* read only */
+#define PMD_SECT_S (_AT(pmdval_t, 3) << 8)
+#define PMD_SECT_AF (_AT(pmdval_t, 1) << 10)
+#define PMD_SECT_nG (_AT(pmdval_t, 1) << 11)
+#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 53)
+#define PMD_SECT_XN (_AT(pmdval_t, 1) << 54)
+#define PMD_SECT_AP_WRITE (_AT(pmdval_t, 0))
+#define PMD_SECT_AP_READ (_AT(pmdval_t, 0))
+#define PMD_SECT_AP1 (_AT(pmdval_t, 1) << 6)
+#define PMD_SECT_TEX(x) (_AT(pmdval_t, 0))
+
+/*
+ * AttrIndx[2:0] encoding (mapping attributes defined in the MAIR* registers).
+ */
+#define PMD_SECT_UNCACHED (_AT(pmdval_t, 0) << 2) /* strongly ordered */
+#define PMD_SECT_BUFFERED (_AT(pmdval_t, 1) << 2) /* normal non-cacheable
*/
+#define PMD_SECT_WT (_AT(pmdval_t, 2) << 2) /* normal inner
write-through */
+#define PMD_SECT_WB (_AT(pmdval_t, 3) << 2) /* normal inner
write-back */
+#define PMD_SECT_WBWA (_AT(pmdval_t, 7) << 2) /* normal inner
write-alloc */
+
+/*
+ * + Level 3 descriptor (PTE)
+ */
+#define PTE_TYPE_MASK (_AT(pteval_t, 3) << 0)
+#define PTE_TYPE_FAULT (_AT(pteval_t, 0) << 0)
+#define PTE_TYPE_PAGE (_AT(pteval_t, 3) << 0)
+#define PTE_TABLE_BIT (_AT(pteval_t, 1) << 1)
+#define PTE_BUFFERABLE (_AT(pteval_t, 1) << 2) /* AttrIndx[0]
*/
+#define PTE_CACHEABLE (_AT(pteval_t, 1) << 3) /* AttrIndx[1]
*/
+#define PTE_AP2 (_AT(pteval_t, 1) << 7) /*
AP[2] */
+#define PTE_EXT_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0],
inner shareable */
+#define PTE_EXT_AF (_AT(pteval_t, 1) << 10) /* Access Flag
*/
+#define PTE_EXT_NG (_AT(pteval_t, 1) << 11) /* nG */
+#define PTE_EXT_XN (_AT(pteval_t, 1) << 54) /* XN */
+
+#endif /* _ASMARM_PGTABLE_HWDEF_H_ */
--
1.9.3
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