/[rtmk]/rtmk/i386/i386-pmap.c
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revision 1.9 by jrydberg, Sun Feb 24 23:05:02 2002 UTC revision 1.10 by jrydberg, Wed Mar 6 00:50:38 2002 UTC
# Line 27  Foundation, Inc., 59 Temple Place - Suit Line 27  Foundation, Inc., 59 Temple Place - Suit
27  #include "vm-kmem.h"  #include "vm-kmem.h"
28  #include "trace.h"  #include "trace.h"
29  #include "bootstrap.h"  #include "bootstrap.h"
30    #include "host.h"
31    
32  #include "i386-pmap.h"  #include "i386-pmap.h"
33  #include "i386-regs.h"  #include "i386-regs.h"
# Line 85  pm_insert_entry (struct pmap *pmap, vm_o Line 86  pm_insert_entry (struct pmap *pmap, vm_o
86  static inline int convert_real_prot (vm_prot_t prot)  static inline int convert_real_prot (vm_prot_t prot)
87  {  {
88  #define VM_PROT_RW (VM_PROT_READ | VM_PROT_WRITE)  #define VM_PROT_RW (VM_PROT_READ | VM_PROT_WRITE)
89    #define VM_PROT_RE (VM_PROT_READ | VM_PROT_EXEC)
90    #define VM_PROT_WE (VM_PROT_WRITE | VM_PROT_EXEC)
91    
92    return    return
93        prot == VM_PROT_ALL   ? (PTE_VALID|PTE_WRITE|PTE_USER)        prot == VM_PROT_ALL   ? (PTE_VALID|PTE_WRITE|PTE_USER)
94      : prot == VM_PROT_RW    ? (PTE_VALID|PTE_WRITE|PTE_USER)      : prot == VM_PROT_RW    ? (PTE_VALID|PTE_WRITE|PTE_USER)
95      : prot == VM_PROT_READ  ? (PTE_VALID|PTE_USER)      : prot == VM_PROT_READ  ? (PTE_VALID|PTE_USER)
96      : prot == VM_PROT_WRITE ? (PTE_VALID|PTE_WRITE|PTE_USER)      : prot == VM_PROT_WRITE ? (PTE_VALID|PTE_WRITE|PTE_USER)
97      : prot == VM_PROT_EXEC  ? (PTE_VALID|PTE_USER) : 0;      : prot == VM_PROT_EXEC  ? (PTE_VALID|PTE_USER)
98        : prot == VM_PROT_RE    ? (PTE_VALID|PTE_USER)
99        : prot == VM_PROT_WE    ? (PTE_VALID|PTE_WRITE|PTE_USER) : 0;
100  }  }
101    
102  /* Flush local TLB cache.  */  /* Flush local TLB cache.  */
# Line 170  pmap_bootstrap (vm_offset_t kernel_start Line 176  pmap_bootstrap (vm_offset_t kernel_start
176    vm_page_load (0x1000, vm_trunc_page (((vm_size_t) cpu_multiboot_ptr->mem_lower * 1024)),    vm_page_load (0x1000, vm_trunc_page (((vm_size_t) cpu_multiboot_ptr->mem_lower * 1024)),
177                  0x1000, vm_trunc_page (((vm_size_t) cpu_multiboot_ptr->mem_lower * 1024)));                  0x1000, vm_trunc_page (((vm_size_t) cpu_multiboot_ptr->mem_lower * 1024)));
178    
179      /* Store info for host basic info.  */
180      host_info_basic.physical_memory
181        = (vm_size_t) cpu_multiboot_ptr->mem_upper * 1024;
182    
183    /* Add upper physical memory (excluding modules)  */    /* Add upper physical memory (excluding modules)  */
184    memory_top = ((vm_size_t) cpu_multiboot_ptr->mem_upper) * 1024;    memory_top = ((vm_size_t) cpu_multiboot_ptr->mem_upper) * 1024;
185    for (i = 0, memory_start = vm_round_page (kernel_end); i < bootstrap_count; i++)    for (i = 0, memory_start = vm_round_page (kernel_end); i < bootstrap_count; i++)

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