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Got rid of the now unused sPageTable variable.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14378 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2005-10-14 09:26:11 +00:00
parent 7416092b83
commit ceb769360d
1 changed files with 6 additions and 10 deletions
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16
src/system/boot/platform/bios_ia32/mmu.cpp
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@ -65,8 +65,6 @@ static const uint32 kPageTableRegionEnd = 0xa0000;
// working page directory and page table // working page directory and page table
static uint32 *sPageDirectory = 0; static uint32 *sPageDirectory = 0;
static uint32 *sPageTable = 0;
// this points to the most recently added kernel page table
static addr_t sNextPhysicalAddress = 0x100000; static addr_t sNextPhysicalAddress = 0x100000;
static addr_t sNextVirtualAddress = KERNEL_BASE + kMaxKernelSize; static addr_t sNextVirtualAddress = KERNEL_BASE + kMaxKernelSize;
@ -121,9 +119,7 @@ get_next_page_table()
} }
/** Adds a new page table for the specified base address and makes /** Adds a new page table for the specified base address */
* it current, ie. sets sPageTable to point to the new table.
*/
static void static void
add_page_table(addr_t base) add_page_table(addr_t base)
@ -131,17 +127,17 @@ add_page_table(addr_t base)
TRACE(("add_page_table(base = %p)\n", (void *)base)); TRACE(("add_page_table(base = %p)\n", (void *)base));
// Get new page table and clear it out // Get new page table and clear it out
sPageTable = get_next_page_table(); uint32 *pageTable = get_next_page_table();
if (sPageTable > (uint32 *)(8 * 1024 * 1024)) if (pageTable > (uint32 *)(8 * 1024 * 1024))
panic("tried to add page table beyond the indentity mapped 8 MB region\n"); panic("tried to add page table beyond the indentity mapped 8 MB region\n");
gKernelArgs.arch_args.pgtables[gKernelArgs.arch_args.num_pgtables++] = (uint32)sPageTable; gKernelArgs.arch_args.pgtables[gKernelArgs.arch_args.num_pgtables++] = (uint32)pageTable;
for (int32 i = 0; i < 1024; i++) for (int32 i = 0; i < 1024; i++)
sPageTable[i] = 0; pageTable[i] = 0;
// put the new page table into the page directory // put the new page table into the page directory
sPageDirectory[base/(4*1024*1024)] = (uint32)sPageTable | kDefaultPageTableFlags; sPageDirectory[base/(4*1024*1024)] = (uint32)pageTable | kDefaultPageTableFlags;
} }