/[rtmk]/rtmk/i386/i386-pmap.c
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Diff of /rtmk/i386/i386-pmap.c

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revision 1.2 by jrydberg, Sat Dec 8 00:27:41 2001 UTC revision 1.3 by jrydberg, Mon Dec 10 22:26:59 2001 UTC
# Line 26  Foundation, Inc., 59 Temple Place - Suit Line 26  Foundation, Inc., 59 Temple Place - Suit
26  #include "vm-map.h"  #include "vm-map.h"
27  #include "vm-kmem.h"  #include "vm-kmem.h"
28  #include "trace.h"  #include "trace.h"
29    #include "bootstrap.h"
30    
31  #include "i386-pmap.h"  #include "i386-pmap.h"
32  #include "i386-regs.h"  #include "i386-regs.h"
# Line 122  void Line 123  void
123  pmap_bootstrap (vm_offset_t kernel_start, vm_offset_t kernel_end)  pmap_bootstrap (vm_offset_t kernel_start, vm_offset_t kernel_end)
124  {  {
125    extern struct multiboot_info *cpu_multiboot_ptr; /* from -start.S */    extern struct multiboot_info *cpu_multiboot_ptr; /* from -start.S */
126    vm_size_t memory_top;    vm_size_t memory_top, memory_start;
127    int npages;    int npages, i;
128    
129    /* Add lower physical memory.  */    /* Add lower physical memory.  */
130    
131    vm_page_load (0x1000, vm_trunc_page (kernel_start),    vm_page_load (0x1000, vm_trunc_page (kernel_start),
132                  0x1000, vm_trunc_page (kernel_start));                  0x1000, vm_trunc_page (kernel_start));
133    
134    /* Add upper physical memory.  */    /* Add upper physical memory (excluding modules)  */
135    
136    memory_top = ((vm_size_t) cpu_multiboot_ptr->mem_upper) * 1024;    memory_top = ((vm_size_t) cpu_multiboot_ptr->mem_upper) * 1024;
137    vm_page_load (vm_round_page (kernel_end), vm_trunc_page (memory_top),    for (i = 0, memory_start = vm_round_page (kernel_end); i < bootstrap_count; i++)
138                  vm_round_page (kernel_end), vm_trunc_page (memory_top));      {
139          struct bootstrap *module = & bootstrap_modules [i];
140    
141          if (memory_start != vm_trunc_page (module->offset))
142            {
143              vm_page_load (memory_start, vm_trunc_page (module->offset),
144                            memory_start, vm_trunc_page (module->offset));
145              memory_start = vm_round_page (module->offset + module->size);
146            }
147        }
148    
149      vm_page_load (memory_start, vm_trunc_page (memory_top),
150                    memory_start, vm_trunc_page (memory_top));
151    
152    
153    /* Set virtual address space limits.  */    /* Set virtual address space limits.  */
154    

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