| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 309 | 93.35% | 3 | 42.86% | |
| 18 | 5.44% | 1 | 14.29% | |
| 2 | 0.60% | 1 | 14.29% | |
| 1 | 0.30% | 1 | 14.29% | |
| 1 | 0.30% | 1 | 14.29% | |
| Total | 331 | 7 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Richard Kuo | 309 | 93.35% | 3 | 42.86% |
| Linus Walleij | 18 | 5.44% | 1 | 14.29% |
| Thomas Gleixner | 2 | 0.60% | 1 | 14.29% |
| Anshuman Khandual | 1 | 0.30% | 1 | 14.29% |
| Arnd Bergmann | 1 | 0.30% | 1 | 14.29% |
| Total | 331 | 7 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Page management definitions for the Hexagon architecture * * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved. */ #ifndef _ASM_PAGE_H #define _ASM_PAGE_H #include <linux/const.h> /* This is probably not the most graceful way to handle this. */ #ifdef CONFIG_PAGE_SIZE_4KB #define HEXAGON_L1_PTE_SIZE __HVM_PDE_S_4KB #endif #ifdef CONFIG_PAGE_SIZE_16KB #define HEXAGON_L1_PTE_SIZE __HVM_PDE_S_16KB #endif #ifdef CONFIG_PAGE_SIZE_64KB #define HEXAGON_L1_PTE_SIZE __HVM_PDE_S_64KB #endif #ifdef CONFIG_PAGE_SIZE_256KB #define HEXAGON_L1_PTE_SIZE __HVM_PDE_S_256KB #endif #ifdef CONFIG_PAGE_SIZE_1MB #define HEXAGON_L1_PTE_SIZE __HVM_PDE_S_1MB #endif /* * These should be defined in hugetlb.h, but apparently not. * "Huge" for us should be 4MB or 16MB, which are both represented * in L1 PTE's. Right now, it's set up for 4MB. */ #ifdef CONFIG_HUGETLB_PAGE #define HPAGE_SHIFT 22 #define HPAGE_SIZE (1UL << HPAGE_SHIFT) #define HPAGE_MASK (~(HPAGE_SIZE-1)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT-PAGE_SHIFT) #define HVM_HUGEPAGE_SIZE 0x5 #endif #define PAGE_SHIFT CONFIG_PAGE_SHIFT #define PAGE_SIZE (1UL << PAGE_SHIFT) #define PAGE_MASK (~((1 << PAGE_SHIFT) - 1)) #ifdef __KERNEL__ #ifndef __ASSEMBLY__ /* * This is for PFN_DOWN, which mm.h needs. Seems the right place to pull it in. */ #include <linux/pfn.h> /* * We implement a two-level architecture-specific page table structure. * Null intermediate page table level (pmd, pud) definitions will come from * asm-generic/pagetable-nopmd.h and asm-generic/pagetable-nopud.h */ typedef struct { unsigned long pte; } pte_t; typedef struct { unsigned long pgd; } pgd_t; typedef struct { unsigned long pgprot; } pgprot_t; typedef struct page *pgtable_t; #define pte_val(x) ((x).pte) #define pgd_val(x) ((x).pgd) #define pgprot_val(x) ((x).pgprot) #define __pte(x) ((pte_t) { (x) }) #define __pgd(x) ((pgd_t) { (x) }) #define __pgprot(x) ((pgprot_t) { (x) }) /* Needed for PAGE_OFFSET used in the macro right below */ #include <asm/mem-layout.h> /* * We need a __pa and a __va routine for kernel space. * MIPS says they're only used during mem_init. * also, check if we need a PHYS_OFFSET. */ #define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + PHYS_OFFSET) #define __va(x) ((void *)((unsigned long)(x) - PHYS_OFFSET + PAGE_OFFSET)) /* The "page frame" descriptor is defined in linux/mm.h */ struct page; /* Returns page frame descriptor for virtual address. */ #define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(__pa(kaddr))) /* Default vm area behavior is non-executable. */ #define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_NON_EXEC #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) /* Need to not use a define for linesize; may move this to another file. */ static inline void clear_page(void *page) { /* This can only be done on pages with L1 WB cache */ asm volatile( " loop0(1f,%1);\n" "1: { dczeroa(%0);\n" " %0 = add(%0,#32); }:endloop0\n" : "+r" (page) : "r" (PAGE_SIZE/32) : "lc0", "sa0", "memory" ); } #define copy_page(to, from) memcpy((to), (from), PAGE_SIZE) /* * Under assumption that kernel always "sees" user map... */ #define clear_user_page(page, vaddr, pg) clear_page(page) #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) /* * page_to_phys - convert page to physical address * @page - pointer to page entry in mem_map */ #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) static inline unsigned long virt_to_pfn(const void *kaddr) { return __pa(kaddr) >> PAGE_SHIFT; } #define page_to_virt(page) __va(page_to_phys(page)) #include <asm/mem-layout.h> #include <asm-generic/memory_model.h> /* XXX Todo: implement assembly-optimized version of getorder. */ #include <asm-generic/getorder.h> #endif /* ifdef __ASSEMBLY__ */ #endif /* ifdef __KERNEL__ */ #endif