From 297b60346df8beafee954a0fd7c2d64f33f3b9bc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:44:05 +0000
Subject: [PATCH] rtl8211F_led_control
---
kernel/arch/parisc/include/asm/page.h | 47 ++++++++++++++++++++++++++---------------------
1 files changed, 26 insertions(+), 21 deletions(-)
diff --git a/kernel/arch/parisc/include/asm/page.h b/kernel/arch/parisc/include/asm/page.h
index 9657bf6..0561568 100644
--- a/kernel/arch/parisc/include/asm/page.h
+++ b/kernel/arch/parisc/include/asm/page.h
@@ -42,47 +42,53 @@
/* NOTE: even on 64 bits, these entries are __u32 because we allocate
* the pmd and pgd in ZONE_DMA (i.e. under 4GB) */
-typedef struct { __u32 pmd; } pmd_t;
typedef struct { __u32 pgd; } pgd_t;
typedef struct { unsigned long pgprot; } pgprot_t;
-#define pte_val(x) ((x).pte)
-/* These do not work lvalues, so make sure we don't use them as such. */
+#if CONFIG_PGTABLE_LEVELS == 3
+typedef struct { __u32 pmd; } pmd_t;
+#define __pmd(x) ((pmd_t) { (x) } )
+/* pXd_val() do not work as lvalues, so make sure we don't use them as such. */
#define pmd_val(x) ((x).pmd + 0)
+#endif
+
+#define pte_val(x) ((x).pte)
#define pgd_val(x) ((x).pgd + 0)
#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) } )
-
-#define __pmd_val_set(x,n) (x).pmd = (n)
-#define __pgd_val_set(x,n) (x).pgd = (n)
#else
/*
* .. while these make it easier on the compiler
*/
typedef unsigned long pte_t;
+
+#if CONFIG_PGTABLE_LEVELS == 3
typedef __u32 pmd_t;
+#define pmd_val(x) (x)
+#define __pmd(x) (x)
+#endif
+
typedef __u32 pgd_t;
typedef unsigned long pgprot_t;
#define pte_val(x) (x)
-#define pmd_val(x) (x)
#define pgd_val(x) (x)
#define pgprot_val(x) (x)
#define __pte(x) (x)
-#define __pmd(x) (x)
#define __pgd(x) (x)
#define __pgprot(x) (x)
-#define __pmd_val_set(x,n) (x) = (n)
-#define __pgd_val_set(x,n) (x) = (n)
-
#endif /* STRICT_MM_TYPECHECKS */
+
+#define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))
+#if CONFIG_PGTABLE_LEVELS == 3
+#define set_pud(pudptr, pudval) (*(pudptr) = (pudval))
+#endif
typedef struct page *pgtable_t;
@@ -106,7 +112,7 @@
#else
#define BITS_PER_PTE_ENTRY 2
#define BITS_PER_PMD_ENTRY 2
-#define BITS_PER_PGD_ENTRY BITS_PER_PMD_ENTRY
+#define BITS_PER_PGD_ENTRY 2
#endif
#define PGD_ENTRY_SIZE (1UL << BITS_PER_PGD_ENTRY)
#define PMD_ENTRY_SIZE (1UL << BITS_PER_PMD_ENTRY)
@@ -117,14 +123,16 @@
/* This governs the relationship between virtual and physical addresses.
* If you alter it, make sure to take care of our various fixed mapping
* segments in fixmap.h */
-#if defined(BOOTLOADER)
-#define __PAGE_OFFSET (0) /* bootloader uses physical addresses */
-#else
#ifdef CONFIG_64BIT
-#define __PAGE_OFFSET (0x40000000) /* 1GB */
+#define __PAGE_OFFSET_DEFAULT (0x40000000) /* 1GB */
#else
-#define __PAGE_OFFSET (0x10000000) /* 256MB */
+#define __PAGE_OFFSET_DEFAULT (0x10000000) /* 256MB */
#endif
+
+#if defined(BOOTLOADER)
+#define __PAGE_OFFSET (0) /* bootloader uses physical addresses */
+#else
+#define __PAGE_OFFSET __PAGE_OFFSET_DEFAULT
#endif /* BOOTLOADER */
#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)
@@ -171,9 +179,6 @@
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
--
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