/trunk/kernel/arch/amd64/include/cpuid.h |
---|
35,14 → 35,15 |
#ifndef KERN_amd64_CPUID_H_ |
#define KERN_amd64_CPUID_H_ |
#define AMD_CPUID_EXTENDED 0x80000001 |
#define AMD_EXT_NOEXECUTE 20 |
#define AMD_EXT_LONG_MODE 29 |
#define AMD_CPUID_EXTENDED 0x80000001 |
#define AMD_EXT_NOEXECUTE 20 |
#define AMD_EXT_LONG_MODE 29 |
#define INTEL_CPUID_STANDARD 0x00000001 |
#define INTEL_CPUID_EXTENDED 0x80000000 |
#define INTEL_SSE2 26 |
#define INTEL_FXSAVE 24 |
#define INTEL_CPUID_LEVEL 0x00000000 |
#define INTEL_CPUID_STANDARD 0x00000001 |
#define INTEL_CPUID_EXTENDED 0x80000000 |
#define INTEL_SSE2 26 |
#define INTEL_FXSAVE 24 |
#ifndef __ASM__ |
/trunk/kernel/arch/ia32/include/cpuid.h |
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35,6 → 35,13 |
#ifndef KERN_ia32_CPUID_H_ |
#define KERN_ia32_CPUID_H_ |
#define INTEL_CPUID_LEVEL 0x00000000 |
#define INTEL_CPUID_STANDARD 0x00000001 |
#define INTEL_PSE 3 |
#define INTEL_SEP 11 |
#ifndef __ASM__ |
#include <arch/types.h> |
typedef struct { |
104,6 → 111,7 |
); |
} |
#endif /* !def __ASM__ */ |
#endif |
/** @} |
/trunk/kernel/arch/ia32/src/boot/boot.S |
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31,6 → 31,7 |
#include <arch/boot/memmap.h> |
#include <arch/mm/page.h> |
#include <arch/pm.h> |
#include <arch/cpuid.h> |
#define START_STACK (BOOT_OFFSET - BOOT_STACK_SIZE) |
67,13 → 68,14 |
movl %eax, grub_eax # save parameters from GRUB |
movl %ebx, grub_ebx |
xorl %eax, %eax |
movl $(INTEL_CPUID_LEVEL), %eax |
cpuid |
cmp $0x0, %eax # any function > 0? |
jbe pse_unsupported |
movl $0x1, %eax # basic function code 1 |
movl $(INTEL_CPUID_STANDARD), %eax |
cpuid |
bt $3, %edx # test if PSE is supported |
bt $(INTEL_PSE), %edx |
jc pse_supported |
pse_unsupported: |
81,6 → 83,14 |
jmp error_halt |
pse_supported: |
bt $(INTEL_SEP), %edx |
jc sep_supported |
movl $sep_msg, %esi |
jmp error_halt |
sep_supported: |
#include "vesa_prot.inc" |
213,3 → 223,6 |
pse_msg: |
.asciz "Page Size Extension not supported. System halted." |
sep_msg: |
.asciz "SYSENTER/SYSEXIT not supported. System halted." |