并在 mm_alloc_pgd 函数中通过调用 pgd_alloc 为子进程分配其独立的顶级页表起始地址，...
在arch/arm64/include/asm/pgtable-types.h .h typedef struct { pgdval_t pgd; } pgd_t; #define pgd_val(x) ((x).pgd) #define __pgd(x) ((pgd_t) { (x) } ) 在arch/arm64/include/asm/pgtable.h中, #define pgd_none(pgd) (!pgd_val(pgd)) 在使用qemu和gdb进行调试期间,我在arch...
pmd = pmd_offset(pud, vaddr); printk("pmd_val = 0x%lx\n", pmd_val(*pmd)); printk("pmd_index = %lx\n", pmd_index(vaddr));if(pmd_none(*pmd)){ printk("not mapped in pmd\n");returnINVALID_ADDR; }/*If pmd_large is true, represent pmd is the last level*/if(pmd_large(...
{ int j; pmd_t * pmd; if (pgd_none(*dir)) return; if (pgd_bad(*dir)) {...return 0; if (pgd_bad(*old_pgd)) { printk("copy_one_pgd:badpage table (%p: %08lx): probable...(*dir)) return; if (pgd_bad(*dir)) { printk("unmap_pmd_range:badpgd(%08lx)\n",pgd_val...
__raw_writel(val, (MSM_CFG_CTL_BASE +0x38));//...这里部分代码省略... 开发者ID:18712886438,项目名称:NewWorld-F160-JB-Kernel,代码行数:101,代码来源:pm2.c 注:本文中的pgd_alloc函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版...
return mm; }最后内核会在 mm_init 函数中调用 mm_alloc_pgd，并在 mm_alloc_pgd 函数中通过调用 ...
#include #include #include #include #include #include #include #include <asm/...end; if (pgd_none(*pgd)) return; if (pgd_bad(*pgd)) { printk("change_pmd_range: bad pgd...(%08lx)\n", pgd_val(*pgd)); pgd_clear(pgd); return; } // 某个页目录项 pmd = pmd_offset(pgd, ...
*/if((pmd_val(pmd) & PMD_TYPE_MASK) == PMD_TYPE_TABLE) pte_free_kernel(&init_mm, pmd_page_vaddr(pmd)); } addr += PGDIR_SIZE; pgd++; }while(addr < end); flush_tlb_kernel_range(virt, end); } 开发者ID:0-T-0,项目名称:ps4-linux,代码行数:44,代码来源:ioremap.c ...
unsignedint*addr=(unsignedint*)0X90000000;unsignedintval=0X1234;*addr=val;翻译的汇编程序 movx0,0X...
*/if((pte_val(entry) & protection_flags) != protection_flags)return0; __do_tlb_refill(address, textaccess, pte);return1; } 开发者ID:274914765,项目名称:C,代码行数:58,代码来源:fault_64.c 示例4: sys_my_syscall ▲点赞 2▼ asmlinkagelongsys_my_syscall(intpid,unsignedlongaddress){struct...