mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-26 17:48:26 +00:00
101 lines
3.4 KiB
C
101 lines
3.4 KiB
C
#ifndef _ASM_X86_PROCESSOR_FLAGS_H
|
|
#define _ASM_X86_PROCESSOR_FLAGS_H
|
|
/* Various flags defined: can be included from assembler. */
|
|
|
|
/*
|
|
* 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 */
|
|
|
|
/*
|
|
* Basic CPU control in CR0
|
|
*/
|
|
#define X86_CR0_PE 0x00000001 /* Protection Enable */
|
|
#define X86_CR0_MP 0x00000002 /* Monitor Coprocessor */
|
|
#define X86_CR0_EM 0x00000004 /* Emulation */
|
|
#define X86_CR0_TS 0x00000008 /* Task Switched */
|
|
#define X86_CR0_ET 0x00000010 /* Extension Type */
|
|
#define X86_CR0_NE 0x00000020 /* Numeric Error */
|
|
#define X86_CR0_WP 0x00010000 /* Write Protect */
|
|
#define X86_CR0_AM 0x00040000 /* Alignment Mask */
|
|
#define X86_CR0_NW 0x20000000 /* Not Write-through */
|
|
#define X86_CR0_CD 0x40000000 /* Cache Disable */
|
|
#define X86_CR0_PG 0x80000000 /* Paging */
|
|
|
|
/*
|
|
* Paging options in CR3
|
|
*/
|
|
#define X86_CR3_PWT 0x00000008 /* Page Write Through */
|
|
#define X86_CR3_PCD 0x00000010 /* Page Cache Disable */
|
|
|
|
/*
|
|
* Intel CPU features in CR4
|
|
*/
|
|
#define X86_CR4_VME 0x00000001 /* enable vm86 extensions */
|
|
#define X86_CR4_PVI 0x00000002 /* virtual interrupts flag enable */
|
|
#define X86_CR4_TSD 0x00000004 /* disable time stamp at ipl 3 */
|
|
#define X86_CR4_DE 0x00000008 /* enable debugging extensions */
|
|
#define X86_CR4_PSE 0x00000010 /* enable page size extensions */
|
|
#define X86_CR4_PAE 0x00000020 /* enable physical address extensions */
|
|
#define X86_CR4_MCE 0x00000040 /* Machine check enable */
|
|
#define X86_CR4_PGE 0x00000080 /* enable global pages */
|
|
#define X86_CR4_PCE 0x00000100 /* enable performance counters at ipl 3 */
|
|
#define X86_CR4_OSFXSR 0x00000200 /* enable fast FPU save and restore */
|
|
#define X86_CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */
|
|
#define X86_CR4_VMXE 0x00002000 /* enable VMX virtualization */
|
|
#define X86_CR4_OSXSAVE 0x00040000 /* enable xsave and xrestore */
|
|
|
|
/*
|
|
* x86-64 Task Priority Register, CR8
|
|
*/
|
|
#define X86_CR8_TPR 0x0000000F /* task priority register */
|
|
|
|
/*
|
|
* AMD and Transmeta use MSRs for configuration; see <asm/msr-index.h>
|
|
*/
|
|
|
|
/*
|
|
* NSC/Cyrix CPU configuration register indexes
|
|
*/
|
|
#define CX86_PCR0 0x20
|
|
#define CX86_GCR 0xb8
|
|
#define CX86_CCR0 0xc0
|
|
#define CX86_CCR1 0xc1
|
|
#define CX86_CCR2 0xc2
|
|
#define CX86_CCR3 0xc3
|
|
#define CX86_CCR4 0xe8
|
|
#define CX86_CCR5 0xe9
|
|
#define CX86_CCR6 0xea
|
|
#define CX86_CCR7 0xeb
|
|
#define CX86_PCR1 0xf0
|
|
#define CX86_DIR0 0xfe
|
|
#define CX86_DIR1 0xff
|
|
#define CX86_ARR_BASE 0xc4
|
|
#define CX86_RCR_BASE 0xdc
|
|
|
|
#ifdef __KERNEL__
|
|
#ifdef CONFIG_VM86
|
|
#define X86_VM_MASK X86_EFLAGS_VM
|
|
#else
|
|
#define X86_VM_MASK 0 /* No VM86 support */
|
|
#endif
|
|
#endif
|
|
|
|
#endif /* _ASM_X86_PROCESSOR_FLAGS_H */
|