1 files changed, 0 insertions, 106 deletions
diff --git a/qemu/roms/seabios/src/fw/mtrr.c b/qemu/roms/seabios/src/fw/mtrr.c
deleted file mode 100644
index 913580e7d..000000000
--- a/qemu/roms/seabios/src/fw/mtrr.c
+++ /dev/null
@@ -1,106 +0,0 @@
-// Initialize MTRRs - mostly useful on KVM.
-//
-// Copyright (C) 2006 Fabrice Bellard
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-
-#include "config.h" // CONFIG_*
-#include "hw/pci.h" // pcimem_start
-#include "output.h" // dprintf
-#include "paravirt.h" // RamSize
-#include "util.h" // mtrr_setup
-#include "x86.h" // cpuid
-
-#define MSR_MTRRcap                    0x000000fe
-#define MSR_MTRRfix64K_00000           0x00000250
-#define MSR_MTRRfix16K_80000           0x00000258
-#define MSR_MTRRfix16K_A0000           0x00000259
-#define MSR_MTRRfix4K_C0000            0x00000268
-#define MSR_MTRRfix4K_C8000            0x00000269
-#define MSR_MTRRfix4K_D0000            0x0000026a
-#define MSR_MTRRfix4K_D8000            0x0000026b
-#define MSR_MTRRfix4K_E0000            0x0000026c
-#define MSR_MTRRfix4K_E8000            0x0000026d
-#define MSR_MTRRfix4K_F0000            0x0000026e
-#define MSR_MTRRfix4K_F8000            0x0000026f
-#define MSR_MTRRdefType                0x000002ff
-
-#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
-#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)
-
-#define MTRR_MEMTYPE_UC 0
-#define MTRR_MEMTYPE_WC 1
-#define MTRR_MEMTYPE_WT 4
-#define MTRR_MEMTYPE_WP 5
-#define MTRR_MEMTYPE_WB 6
-
-void mtrr_setup(void)
-{
-    if (!CONFIG_MTRR_INIT)
-        return;
-
-    u32 eax, ebx, ecx, edx, cpuid_features;
-    cpuid(1, &eax, &ebx, &ecx, &cpuid_features);
-    if (!(cpuid_features & CPUID_MTRR))
-        return;
-    if (!(cpuid_features & CPUID_MSR))
-        return;
-
-    dprintf(3, "init mtrr\n");
-
-    u32 mtrr_cap = rdmsr(MSR_MTRRcap);
-    int vcnt = mtrr_cap & 0xff;
-    int fix = mtrr_cap & 0x100;
-    if (!vcnt || !fix)
-       return;
-
-    // Disable MTRRs
-    wrmsr_smp(MSR_MTRRdefType, 0);
-
-    // Set fixed MTRRs
-    union u64b {
-        u8 valb[8];
-        u64 val;
-    } u;
-    u.val = 0;
-    int i;
-    for (i = 0; i < 8; i++)
-        if (RamSize >= 65536 * (i + 1))
-            u.valb[i] = MTRR_MEMTYPE_WB;
-    wrmsr_smp(MSR_MTRRfix64K_00000, u.val);
-    u.val = 0;
-    for (i = 0; i < 8; i++)
-        if (RamSize >= 0x80000 + 16384 * (i + 1))
-            u.valb[i] = MTRR_MEMTYPE_WB;
-    wrmsr_smp(MSR_MTRRfix16K_80000, u.val);
-    wrmsr_smp(MSR_MTRRfix16K_A0000, 0);   // 0xA0000-0xC0000 is uncached
-    int j;
-    for (j = 0; j < 8; j++) {
-        u.val = 0;
-        for (i = 0; i < 8; i++)
-            if (RamSize >= 0xC0000 + j * 0x8000 + 4096 * (i + 1))
-                u.valb[i] = MTRR_MEMTYPE_WP;
-        wrmsr_smp(MSR_MTRRfix4K_C0000 + j, u.val);
-    }
-
-    // Set variable MTRRs
-    int phys_bits = 36;
-    cpuid(0x80000000u, &eax, &ebx, &ecx, &edx);
-    if (eax >= 0x80000008) {
-        /* Get physical bits from leaf 0x80000008 (if available) */
-        cpuid(0x80000008u, &eax, &ebx, &ecx, &edx);
-        phys_bits = eax & 0xff;
-    }
-    u64 phys_mask = ((1ull << phys_bits) - 1);
-    for (i=0; i<vcnt; i++) {
-        wrmsr_smp(MTRRphysBase_MSR(i), 0);
-        wrmsr_smp(MTRRphysMask_MSR(i), 0);
-    }
-    /* Mark 3.5-4GB as UC, anything not specified defaults to WB */
-    wrmsr_smp(MTRRphysBase_MSR(0), pcimem_start | MTRR_MEMTYPE_UC);
-    wrmsr_smp(MTRRphysMask_MSR(0)
-              , (-((1ull<<32)-pcimem_start) & phys_mask) | 0x800);
-
-    // Enable fixed and variable MTRRs; set default type.
-    wrmsr_smp(MSR_MTRRdefType, 0xc00 | MTRR_MEMTYPE_WB);
-}