1 files changed, 0 insertions, 159 deletions
diff --git a/memtestEDK/Memtest/SingleComponents/vmem.c b/memtestEDK/Memtest/SingleComponents/vmem.c
deleted file mode 100644
index 6125e0d..0000000
--- a/memtestEDK/Memtest/SingleComponents/vmem.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/* vmem.c - MemTest-86 
- *
- * Virtual memory handling (PAE)
- *
- * Released under version 2 of the Gnu Public License.
- * By Chris Brady
- */
-#include "stdint.h"
-#include "test.h"
-#include "cpuid.h"
-
-extern struct cpu_ident cpu_id;
-
-static unsigned long mapped_win = 1;
-void paging_off(void)
-{
-    if (!cpu_id.fid.bits.pae)
-        return;
-    __asm__ __volatile__
-        (
-         /* Disable paging */
-         "movl %%cr0, %%eax\n\t"
-         "andl $0x7FFFFFFF, %%eax\n\t"
-         "movl %%eax, %%cr0\n\t"
-         : :
-         : "ax"
-         );
-}
-
-static void paging_on(void *pdp)
-{
-    if (!cpu_id.fid.bits.pae)
-        return;
-    __asm__ __volatile__
-        (
-         /* Load the page table address */
-         "movl %0, %%cr3\n\t"
-         /* Enable paging */
-         "movl %%cr0, %%eax\n\t"
-         "orl $0x80000000, %%eax\n\t"
-         "movl %%eax, %%cr0\n\t"
-         :
-         : "r" (pdp)
-         : "ax"
-         );
-}
-
-static void paging_on_lm(void *pml)
-{
-    if (!cpu_id.fid.bits.pae)
-        return;
-    __asm__ __volatile__
-        (
-         /* Load the page table address */
-         "movl %0, %%cr3\n\t"
-         /* Enable paging */
-         "movl %%cr0, %%eax\n\t"
-         "orl $0x80000000, %%eax\n\t"
-         "movl %%eax, %%cr0\n\t"
-         :
-         : "r" (pml)
-         : "ax"
-         );
-}
-
-int map_page(unsigned long page)
-{
-    unsigned long i;
-    struct pde {
-        unsigned long addr_lo;
-        unsigned long addr_hi;
-    };
-    extern unsigned char pdp[];
-    extern unsigned char pml4[];
-    extern struct pde pd2[];
-    unsigned long win = page >> 19;
-
-    /* Less than 2 GB so no mapping is required */
-    if (win == 0) {
-        return 0;
-    }
-    if (cpu_id.fid.bits.pae == 0) {
-        /* Fail, we don't have PAE */
-        return -1;
-    }
-    if (cpu_id.fid.bits.lm == 0 && (page > 0x1000000)) {
-        /* Fail, we want an address that is out of bounds (> 64GB)
-         *  for PAE and no long mode (ie. 32 bit CPU).
-         */
-        return -1;
-    }
-    /* Compute the page table entries... */
-    for(i = 0; i < 1024; i++) {
-        /*-----------------10/30/2004 12:37PM---------------
-         * 0xE3 --
-         * Bit 0 = Present bit.      1 = PDE is present
-         * Bit 1 = Read/Write.       1 = memory is writable
-         * Bit 2 = Supervisor/User.  0 = Supervisor only (CPL 0-2)
-         * Bit 3 = Writethrough.     0 = writeback cache policy
-         * Bit 4 = Cache Disable.    0 = page level cache enabled
-         * Bit 5 = Accessed.         1 = memory has been accessed.
-         * Bit 6 = Dirty.            1 = memory has been written to.
-         * Bit 7 = Page Size.        1 = page size is 2 MBytes
-         * --------------------------------------------------*/
-        pd2[i].addr_lo = ((win & 1) << 31) + ((i & 0x3ff) << 21) + 0xE3;
-        pd2[i].addr_hi = (win >> 1);
-    }
-    paging_off();
-    if (cpu_id.fid.bits.lm == 1) {
-        paging_on_lm(pml4);
-    } else {
-        paging_on(pdp);
-    }
-    mapped_win = win;
-    return 0;
-}
-
-void *mapping(unsigned long phys_page)
-{
-    void *result;
-    if (phys_page < WIN_SZ_PAGES) {
-        /* If the page is below 2GB, address it directly */
-        result = (void *)(phys_page << 12);
-    }
-    else {
-        // Higher physical pages map to a virtual address
-        // in the 2G-4G range.
-        unsigned long alias;
-        alias = phys_page & 0x7FFFF;
-        alias += 0x80000;
-        result = (void *)(alias << 12);
-    }
-    return result;
-}
-
-void *emapping(unsigned long phys_page)
-{
-    void *result;
-    result = mapping(phys_page - 1);
-    /* Fill in the low address bits */
-    result = ((unsigned char *)result) + 0xffc;
-    return result;
-}
-
-unsigned long page_of(void *addr)
-{
-    unsigned long page;
-    page = ((unsigned long)addr) >> 12;
-    if (page >= 0x80000) {
-        page &= 0x7FFFF;
-        page += mapped_win << 19;
-    }
-#if 0
-    cprint(LINE_SCROLL -2, 0, "page_of(        )->            ");
-    hprint(LINE_SCROLL -2, 8, ((unsigned long)addr));
-    hprint(LINE_SCROLL -2, 20, page);
-#endif	
-    return page;
-}