| 0,0 → 1,87 |
|---|
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <arch/cpu.h> |
| #include <arch/cpuid.h> |
| #include <arch/pm.h> |
| |
| #include <arch.h> |
| #include <arch/types.h> |
| #include <print.h> |
| #include <typedefs.h> |
| |
| /* |
| * Identification of CPUs. |
| * Contains only non-MP-Specification specific SMP code. |
| */ |
| #define AMD_CPUID_EBX 0x68747541 |
| #define AMD_CPUID_ECX 0x444d4163 |
| #define AMD_CPUID_EDX 0x69746e65 |
| |
| #define INTEL_CPUID_EBX 0x756e6547 |
| #define INTEL_CPUID_ECX 0x6c65746e |
| #define INTEL_CPUID_EDX 0x49656e69 |
| |
| |
| enum vendor { |
| VendorUnknown=0, |
| VendorAMD, |
| VendorIntel |
| }; |
| |
| static char *vendor_str[] = { |
| "Unknown Vendor", |
| "AuthenticAMD", |
| "GenuineIntel" |
| }; |
| |
| void set_TS_flag(void) |
| { |
| asm |
| ( |
| "mov %%cr0,%%rax;" |
| "or $8,%%rax;" |
| "mov %%rax,%%cr0;" |
| : |
| : |
| :"%rax" |
| ); |
| } |
| |
| void reset_TS_flag(void) |
| { |
| asm |
| ( |
| "mov %%cr0,%%rax;" |
| "btc $4,%%rax;" |
| "mov %%rax,%%cr0;" |
| : |
| : |
| :"%rax" |
| ); |
| } |