diff options
Diffstat (limited to 'c/src/exec/score/cpu/i386/rtems/score/registers.h')
| -rw-r--r-- | c/src/exec/score/cpu/i386/rtems/score/registers.h | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/c/src/exec/score/cpu/i386/rtems/score/registers.h b/c/src/exec/score/cpu/i386/rtems/score/registers.h deleted file mode 100644 index 993b7fb834..0000000000 --- a/c/src/exec/score/cpu/i386/rtems/score/registers.h +++ /dev/null @@ -1,184 +0,0 @@ -/* registers.h - * - * This file contains definition and constants related to Intel Cpu - * - * COPYRIGHT (c) 1998 valette@crf.canon.fr - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef _rtems_score_registers_h -#define _rtems_score_registers_h - -/* - * definition related to EFLAGS - */ -#define EFLAGS_CARRY 0x1 -#define EFLAGS_PARITY 0x4 - -#define EFLAGS_AUX_CARRY 0x10 -#define EFLAGS_ZERO 0x40 -#define EFLAGS_SIGN 0x80 - -#define EFLAGS_TRAP 0x100 -#define EFLAGS_INTR_ENABLE 0x200 -#define EFLAGS_DIRECTION 0x400 -#define EFLAGS_OVERFLOW 0x800 - -#define EFLAGS_IOPL_MASK 0x3000 -#define EFLAGS_NESTED_TASK 0x8000 - -#define EFLAGS_RESUME 0x10000 -#define EFLAGS_VIRTUAL_MODE 0x20000 -#define EFLAGS_ALIGN_CHECK 0x40000 -#define EFLAGS_VIRTUAL_INTR 0x80000 - -#define EFLAGS_VIRTUAL_INTR_PEND 0x100000 -#define EFLAGS_ID 0x200000 - -/* - * definitions related to CR0 - */ -#define CR0_PROTECTION_ENABLE 0x1 -#define CR0_MONITOR_COPROC 0x2 -#define CR0_COPROC_SOFT_EMUL 0x4 -#define CR0_FLOATING_INSTR_EXCEPTION 0x8 - -#define CR0_EXTENSION_TYPE 0x10 -#define CR0_NUMERIC_ERROR 0x20 - -#define CR0_WRITE_PROTECT 0x10000 -#define CR0_ALIGMENT_MASK 0x40000 - -#define CR0_NO_WRITE_THROUGH 0x20000000 -#define CR0_PAGE_LEVEL_CACHE_DISABLE 0x40000000 -#define CR0_PAGING 0x80000000 - -/* - * definitions related to CR3 - */ - -#define CR3_PAGE_CACHE_DISABLE 0x10 -#define CR3_PAGE_WRITE_THROUGH 0x8 - - -#ifndef ASM - -/* - * definition of eflags registers has a bit field structure - */ -typedef struct { - /* - * fist byte : bits 0->7 - */ - unsigned int carry : 1; - unsigned int : 1; - unsigned int parity : 1; - unsigned int : 1; - - unsigned int auxiliary_carry : 1; - unsigned int : 1; - unsigned int zero : 1; /* result is zero */ - unsigned int sign : 1; /* result is less than zero */ - /* - * Second byte : bits 7->15 - */ - unsigned int trap : 1; - unsigned int intr_enable : 1; /* set => intr on */ - unsigned int direction : 1; /* set => autodecrement */ - unsigned int overflow : 1; - - unsigned int IO_privilege : 2; - unsigned int nested_task : 1; - unsigned int : 1; - /* - * Third byte : bits 15->23 - */ - unsigned int resume : 1; - unsigned int virtual_mode : 1; - unsigned int aligment_check : 1; - unsigned int virtual_intr : 1; - - unsigned int virtual_intr_pending : 1; - unsigned int id : 1; - unsigned int : 2; - - /* - * fourth byte : bits 24->31 : UNUSED - */ - unsigned int : 8; -}eflags_bits; - -typedef union { - eflags_bits eflags; - unsigned int i; -}eflags; -/* - * definition of eflags registers has a bit field structure - */ -typedef struct { - /* - * fist byte : bits 0->7 - */ - unsigned int protection_enable : 1; - unsigned int monitor_coproc : 1; - unsigned int coproc_soft_emul : 1; - unsigned int floating_instr_except : 1; - - unsigned int extension_type : 1; - unsigned int numeric_error : 1; - unsigned int : 2; - /* - * second byte 8->15 : UNUSED - */ - unsigned int : 8; - /* - * third byte 16->23 - */ - unsigned int write_protect : 1; - unsigned int : 1; - unsigned int aligment_mask : 1; - unsigned int : 1; - - unsigned int : 4; - /* - * fourth byte 24->31 - */ - unsigned int : 4; - - unsigned int : 1; - unsigned int no_write_through : 1; - unsigned int page_level_cache_disable : 1; - unsigned int paging : 1; -}cr0_bits; - -typedef union { - cr0_bits cr0; - unsigned int i; -}cr0; - -/* - * definition of cr3 registers has a bit field structure - */ -typedef struct { - - unsigned int : 3; - unsigned int page_write_transparent : 1; - unsigned int page_cache_disable : 1; - unsigned int : 7; - unsigned int page_directory_base :20; -}cr3_bits; - -typedef union { - cr3_bits cr3; - unsigned int i; -}cr3; - -#endif - -#endif - |