diff options
Diffstat (limited to 'gpxe/src/arch/i386/include/bits/cpu.h')
| -rw-r--r-- | gpxe/src/arch/i386/include/bits/cpu.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/gpxe/src/arch/i386/include/bits/cpu.h b/gpxe/src/arch/i386/include/bits/cpu.h deleted file mode 100644 index 83339ddd..00000000 --- a/gpxe/src/arch/i386/include/bits/cpu.h +++ /dev/null @@ -1,86 +0,0 @@ -#ifndef I386_BITS_CPU_H -#define I386_BITS_CPU_H - -/* Intel-defined CPU features, CPUID level 0x00000001, word 0 */ -#define X86_FEATURE_FPU 0 /* Onboard FPU */ -#define X86_FEATURE_VME 1 /* Virtual Mode Extensions */ -#define X86_FEATURE_DE 2 /* Debugging Extensions */ -#define X86_FEATURE_PSE 3 /* Page Size Extensions */ -#define X86_FEATURE_TSC 4 /* Time Stamp Counter */ -#define X86_FEATURE_MSR 5 /* Model-Specific Registers, RDMSR, WRMSR */ -#define X86_FEATURE_PAE 6 /* Physical Address Extensions */ -#define X86_FEATURE_MCE 7 /* Machine Check Architecture */ -#define X86_FEATURE_CX8 8 /* CMPXCHG8 instruction */ -#define X86_FEATURE_APIC 9 /* Onboard APIC */ -#define X86_FEATURE_SEP 11 /* SYSENTER/SYSEXIT */ -#define X86_FEATURE_MTRR 12 /* Memory Type Range Registers */ -#define X86_FEATURE_PGE 13 /* Page Global Enable */ -#define X86_FEATURE_MCA 14 /* Machine Check Architecture */ -#define X86_FEATURE_CMOV 15 /* CMOV instruction (FCMOVCC and FCOMI too if FPU present) */ -#define X86_FEATURE_PAT 16 /* Page Attribute Table */ -#define X86_FEATURE_PSE36 17 /* 36-bit PSEs */ -#define X86_FEATURE_PN 18 /* Processor serial number */ -#define X86_FEATURE_CLFLSH 19 /* Supports the CLFLUSH instruction */ -#define X86_FEATURE_DTES 21 /* Debug Trace Store */ -#define X86_FEATURE_ACPI 22 /* ACPI via MSR */ -#define X86_FEATURE_MMX 23 /* Multimedia Extensions */ -#define X86_FEATURE_FXSR 24 /* FXSAVE and FXRSTOR instructions (fast save and restore */ - /* of FPU context), and CR4.OSFXSR available */ -#define X86_FEATURE_XMM 25 /* Streaming SIMD Extensions */ -#define X86_FEATURE_XMM2 26 /* Streaming SIMD Extensions-2 */ -#define X86_FEATURE_SELFSNOOP 27 /* CPU self snoop */ -#define X86_FEATURE_HT 28 /* Hyper-Threading */ -#define X86_FEATURE_ACC 29 /* Automatic clock control */ -#define X86_FEATURE_IA64 30 /* IA-64 processor */ - -/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */ -/* Don't duplicate feature flags which are redundant with Intel! */ -#define X86_FEATURE_SYSCALL 11 /* SYSCALL/SYSRET */ -#define X86_FEATURE_MMXEXT 22 /* AMD MMX extensions */ -#define X86_FEATURE_LM 29 /* Long Mode (x86-64) */ -#define X86_FEATURE_3DNOWEXT 30 /* AMD 3DNow! extensions */ -#define X86_FEATURE_3DNOW 31 /* 3DNow! */ - -/** x86 CPU information */ -struct cpuinfo_x86 { - /** CPU features */ - unsigned int features; - /** 64-bit CPU features */ - unsigned int amd_features; -}; - -/* - * EFLAGS bits - */ -#define X86_EFLAGS_CF 0x00000001 /* Carry Flag */ -#define X86_EFLAGS_PF 0x00000004 /* Parity Flag */ -#define X86_EFLAGS_AF 0x00000010 /* Auxillary carry Flag */ -#define X86_EFLAGS_ZF 0x00000040 /* Zero Flag */ -#define X86_EFLAGS_SF 0x00000080 /* Sign Flag */ -#define X86_EFLAGS_TF 0x00000100 /* Trap Flag */ -#define X86_EFLAGS_IF 0x00000200 /* Interrupt Flag */ -#define X86_EFLAGS_DF 0x00000400 /* Direction Flag */ -#define X86_EFLAGS_OF 0x00000800 /* Overflow Flag */ -#define X86_EFLAGS_IOPL 0x00003000 /* IOPL mask */ -#define X86_EFLAGS_NT 0x00004000 /* Nested Task */ -#define X86_EFLAGS_RF 0x00010000 /* Resume Flag */ -#define X86_EFLAGS_VM 0x00020000 /* Virtual Mode */ -#define X86_EFLAGS_AC 0x00040000 /* Alignment Check */ -#define X86_EFLAGS_VIF 0x00080000 /* Virtual Interrupt Flag */ -#define X86_EFLAGS_VIP 0x00100000 /* Virtual Interrupt Pending */ -#define X86_EFLAGS_ID 0x00200000 /* CPUID detection flag */ - -/* - * Generic CPUID function - */ -static inline __attribute__ (( always_inline )) void -cpuid ( int op, unsigned int *eax, unsigned int *ebx, - unsigned int *ecx, unsigned int *edx ) { - __asm__ ( "cpuid" : - "=a" ( *eax ), "=b" ( *ebx ), "=c" ( *ecx ), "=d" ( *edx ) - : "0" ( op ) ); -} - -extern void get_cpuinfo ( struct cpuinfo_x86 *cpu ); - -#endif /* I386_BITS_CPU_H */ |