SimpleHTMLEditorを追加。

[chnosproject/CHNOSProject.git] / CHNOSProject / chnos / tolset_chn_000 / chnos_008 / chnos / paging.c

diff --git a/CHNOSProject/chnos/tolset_chn_000/chnos_008/chnos/paging.c b/CHNOSProject/chnos/tolset_chn_000/chnos_008/chnos/paging.c
deleted file mode 100644 (file)
index a50aae5..0000000
--- a/CHNOSProject/chnos/tolset_chn_000/chnos_008/chnos/paging.c
+++ /dev/null
@@ -1,94 +0,0 @@
-\r
-#include "core.h"\r
-\r
-void init_paging(void)\r
-{\r
-       uint i, j, k, l, m, n, o, cr0;\r
-\r
-       j = (system.io.mem.total + 1) >> 22;\r
-       l = ((system.io.mem.total - ((j - 1) << 22)) + 4095) >> 12;\r
-\r
-       for(i = 0; i < 1024; i++){\r
-               paging_set_dir(&system.io.mem.paging.dir[i], &system.io.mem.paging.table[i][0], PG_NOTPRESENT, 0x00000000);\r
-               for(k = 0; k < 1024; k++){\r
-                       paging_set_table(&system.io.mem.paging.table[i][k], (uint *)((i << 22) + (k * 1024 * 4)), PG_NOTPRESENT, 0x00000000);\r
-               }\r
-       }\r
-\r
-       for(i = 0; i < j; i++){\r
-//             paging_set_dir(&system.io.mem.paging.dir[i], &system.io.mem.paging.table[i][0], PG_PRESENT | PG_WRITABLE | PG_SUPERVISOR | PG_WRITEBACK | PG_CACHE_ENABLE | PG_NOTACCESSED | PG_NOTWRITTEN | PG_4KBPAGE | PG_NOTGLOBAL, 0x00000000);\r
-               paging_set_dir(&system.io.mem.paging.dir[i], &system.io.mem.paging.table[i][0], PG_PRESENT | PG_WRITABLE | PG_USER | PG_WRITEBACK | PG_CACHE_ENABLE | PG_NOTACCESSED | PG_NOTWRITTEN | PG_4KBPAGE | PG_NOTGLOBAL, 0x00000000);\r
-\r
-               if(i == j - 1){\r
-                       for(k = 0; k < l; k++){\r
-//                             paging_set_table(&system.io.mem.paging.table[i][k], (uint *)((i << 22) + (k * 1024 * 4)), PG_PRESENT | PG_WRITABLE | PG_SUPERVISOR | PG_WRITEBACK | PG_CACHE_ENABLE | PG_NOTACCESSED | PG_NOTWRITTEN | PG_4KBPAGE | PG_NOTGLOBAL, 0x00000000);\r
-                               paging_set_table(&system.io.mem.paging.table[i][k], (uint *)((i << 22) + (k * 1024 * 4)), PG_PRESENT | PG_WRITABLE | PG_USER | PG_WRITEBACK | PG_CACHE_ENABLE | PG_NOTACCESSED | PG_NOTWRITTEN | PG_4KBPAGE | PG_NOTGLOBAL, 0x00000000);\r
-                       }\r
-               } else{\r
-                       for(k = 0; k < 1024; k++){\r
-//                             paging_set_table(&system.io.mem.paging.table[i][k], (uint *)((i << 22) + (k * 1024 * 4)), PG_PRESENT | PG_WRITABLE | PG_SUPERVISOR | PG_WRITEBACK | PG_CACHE_ENABLE | PG_NOTACCESSED | PG_NOTWRITTEN | PG_4KBPAGE | PG_NOTGLOBAL, 0x00000000);\r
-                               paging_set_table(&system.io.mem.paging.table[i][k], (uint *)((i << 22) + (k * 1024 * 4)), PG_PRESENT | PG_WRITABLE | PG_USER | PG_WRITEBACK | PG_CACHE_ENABLE | PG_NOTACCESSED | PG_NOTWRITTEN | PG_4KBPAGE | PG_NOTGLOBAL, 0x00000000);\r
-                       }\r
-               }\r
-       }\r
-\r
-       m = (uint)system.data.info.vesa.PhysBasePtr >> 22;\r
-       n = system.data.info.boot.scrnx * system.data.info.boot.scrny * (system.data.info.vesa.BitsPerPixel >> 3);\r
-       o = n >> 12;\r
-       if(n != (o << 12)) o++;\r
-       j = (o + 1023) >> 10;\r
-       l = o - ((j - 1) << 10);\r
-\r
-       for(i = 0; i < j; i++){\r
-               paging_set_dir(&system.io.mem.paging.dir[m + i], &system.io.mem.paging.table[m + i][0], PG_PRESENT | PG_WRITABLE | PG_SUPERVISOR | PG_WRITEBACK | PG_CACHE_ENABLE | PG_NOTACCESSED | PG_NOTWRITTEN | PG_4KBPAGE | PG_NOTGLOBAL, 0x00000000);\r
-               if(i == j - 1){\r
-                       for(k = 0; k < l; k++){\r
-                               paging_set_table(&system.io.mem.paging.table[m + i][k], (uint *)(((m + i) << 22) + (k * 1024 * 4)), PG_PRESENT | PG_WRITABLE | PG_SUPERVISOR | PG_WRITEBACK | PG_CACHE_ENABLE | PG_NOTACCESSED | PG_NOTWRITTEN | PG_4KBPAGE | PG_NOTGLOBAL, 0x00000000);\r
-                       }\r
-               } else{\r
-                       for(k = 0; k < 1024; k++){\r
-                               paging_set_table(&system.io.mem.paging.table[m + i][k], (uint *)(((m + i) << 22) + (k * 1024 * 4)), PG_PRESENT | PG_WRITABLE | PG_SUPERVISOR | PG_WRITEBACK | PG_CACHE_ENABLE | PG_NOTACCESSED | PG_NOTWRITTEN | PG_4KBPAGE | PG_NOTGLOBAL, 0x00000000);\r
-                       }\r
-               }\r
-       }\r
-\r
-       store_cr3((uint)system.io.mem.paging.dir);\r
-       cr0 = load_cr0();\r
-       cr0 |= CR0_PAGING + CR0_PROTECTIONENABLE;\r
-       store_cr0(cr0);\r
-       pipelineflush();\r
-\r
-       return;\r
-}\r
-\r
-void paging_set_dir(uint *dir_entry, uint *table_base, uint attribute, uint available)\r
-{\r
-       uint entry;\r
-\r
-       if(attribute & PG_PRESENT){\r
-               entry = ((uint)table_base & 0xfffff000);\r
-               entry |= (attribute & 0x000001ff);\r
-               entry |= ((available & 0x00000007) << 9);       \r
-       } else{\r
-               entry = (available << 1);\r
-               entry &= 0xfffffffe;\r
-       }\r
-       *dir_entry = entry;\r
-       return;\r
-}\r
-\r
-void paging_set_table(uint *table_entry, uint *page_base, uint attribute, uint available)\r
-{\r
-       uint entry;\r
-\r
-       if(attribute & PG_PRESENT){\r
-               entry = ((uint)page_base & 0xfffff000);\r
-               entry |= (attribute & 0x000001ff);\r
-               entry |= ((available & 0x00000007) << 9);       \r
-       } else{\r
-               entry = (available << 1);\r
-               entry &= 0xfffffffe;\r
-       }\r
-       *table_entry = entry;\r
-       return;\r
-}\r