| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 331 | 82.54% | 7 | 58.33% | |
| 60 | 14.96% | 1 | 8.33% | |
| 7 | 1.75% | 1 | 8.33% | |
| 2 | 0.50% | 2 | 16.67% | |
| 1 | 0.25% | 1 | 8.33% | |
| Total | 401 | 12 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Michal Simek | 331 | 82.54% | 7 | 58.33% |
| Linus Walleij | 60 | 14.96% | 1 | 8.33% |
| John A. Williams | 7 | 1.75% | 1 | 8.33% |
| Arnd Bergmann | 2 | 0.50% | 2 | 16.67% |
| Steven J. Magnani | 1 | 0.25% | 1 | 8.33% |
| Total | 401 | 12 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * VM ops * * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * Changes for MMU support: * Copyright (C) 2007 Xilinx, Inc. All rights reserved. */ #ifndef _ASM_MICROBLAZE_PAGE_H #define _ASM_MICROBLAZE_PAGE_H #include <linux/pfn.h> #include <asm/setup.h> #include <asm/asm-compat.h> #include <linux/const.h> #ifdef __KERNEL__ /* PAGE_SHIFT determines the page size */ #define PAGE_SHIFT CONFIG_PAGE_SHIFT #define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) #define LOAD_OFFSET ASM_CONST((CONFIG_KERNEL_START-CONFIG_KERNEL_BASE_ADDR)) #define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ #ifndef __ASSEMBLY__ /* * PAGE_OFFSET -- the first address of the first page of memory. With MMU * it is set to the kernel start address (aligned on a page boundary). * * CONFIG_KERNEL_START is defined in arch/microblaze/config.in and used * in arch/microblaze/Makefile. */ #define PAGE_OFFSET CONFIG_KERNEL_START /* * The basic type of a PTE - 32 bit physical addressing. */ typedef unsigned long pte_basic_t; #define PTE_FMT "%.8lx" # define copy_page(to, from) memcpy((to), (from), PAGE_SIZE) # define clear_page(pgaddr) memset((pgaddr), 0, PAGE_SIZE) # define clear_user_page(pgaddr, vaddr, page) memset((pgaddr), 0, PAGE_SIZE) # define copy_user_page(vto, vfrom, vaddr, topg) \ memcpy((vto), (vfrom), PAGE_SIZE) /* * These are used to make use of C type-checking.. */ typedef struct page *pgtable_t; typedef struct { unsigned long pte; } pte_t; typedef struct { unsigned long pgprot; } pgprot_t; /* FIXME this can depend on linux kernel version */ typedef struct { unsigned long pgd; } pgd_t; # define pte_val(x) ((x).pte) # define pgprot_val(x) ((x).pgprot) # define pgd_val(x) ((x).pgd) # define __pte(x) ((pte_t) { (x) }) # define __pgd(x) ((pgd_t) { (x) }) # define __pgprot(x) ((pgprot_t) { (x) }) /** * Conversions for virtual address, physical address, pfn, and struct * page are defined in the following files. * * virt -+ * | asm-microblaze/page.h * phys -+ * | linux/pfn.h * pfn -+ * | asm-generic/memory_model.h * page -+ * */ extern unsigned long max_low_pfn; extern unsigned long min_low_pfn; extern unsigned long max_pfn; extern unsigned long memory_start; extern unsigned long memory_size; extern unsigned long lowmem_size; extern unsigned long kernel_tlb; extern int page_is_ram(unsigned long pfn); # define phys_to_pfn(phys) (PFN_DOWN(phys)) # define pfn_to_phys(pfn) (PFN_PHYS(pfn)) # define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)) # define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT) # define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) # define ARCH_PFN_OFFSET (memory_start >> PAGE_SHIFT) # endif /* __ASSEMBLY__ */ /* Convert between virtual and physical address for MMU. */ /* Handle MicroBlaze processor with virtual memory. */ #define __virt_to_phys(addr) \ ((addr) + CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START) #define __phys_to_virt(addr) \ ((addr) + CONFIG_KERNEL_START - CONFIG_KERNEL_BASE_ADDR) #define tophys(rd, rs) \ addik rd, rs, (CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START) #define tovirt(rd, rs) \ addik rd, rs, (CONFIG_KERNEL_START - CONFIG_KERNEL_BASE_ADDR) #ifndef __ASSEMBLY__ # define __pa(x) __virt_to_phys((unsigned long)(x)) # define __va(x) ((void *)__phys_to_virt((unsigned long)(x))) static inline unsigned long virt_to_pfn(const void *vaddr) { return phys_to_pfn(__pa(vaddr)); } static inline const void *pfn_to_virt(unsigned long pfn) { return __va(pfn_to_phys((pfn))); } #define virt_addr_valid(vaddr) (pfn_valid(virt_to_pfn(vaddr))) #endif /* __ASSEMBLY__ */ #define TOPHYS(addr) __virt_to_phys(addr) #endif /* __KERNEL__ */ #include <asm-generic/memory_model.h> #include <asm-generic/getorder.h> #endif /* _ASM_MICROBLAZE_PAGE_H */