39 lines
1.2 KiB
PHP
39 lines
1.2 KiB
PHP
;
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; X86.DESC defines (see x86.js)
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;
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PS_CF equ 0x0001
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PS_PF equ 0x0004
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PS_AF equ 0x0010
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PS_ZF equ 0x0040
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PS_SF equ 0x0080
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PS_TF equ 0x0100
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PS_IF equ 0x0200
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PS_DF equ 0x0400
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PS_OF equ 0x0800
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PS_ARITH equ (PS_CF | PS_PF | PS_AF | PS_ZF | PS_SF | PS_OF)
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PS_LOGIC equ (PS_CF | PS_PF | PS_ZF | PS_SF | PS_OF)
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PS_MULTIPLY equ (PS_CF | PS_OF) ; only CF and OF are "defined" following MUL or IMUL
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PS_DIVIDE equ 0 ; none of the Processor Status flags are "defined" following DIV or IDIV
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CR0_MSW_PE equ 0x0001
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CR0_PG equ 0x80000000 ; set if paging enabled
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ACC_TYPE_GATE386_INT equ 0x0E00
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ACC_TYPE_SEG equ 0x1000
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ACC_PRESENT equ 0x8000
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ACC_TYPE_CODE equ 0x0800
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ACC_TYPE_READABLE equ 0x0200
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ACC_TYPE_WRITABLE equ 0x0200
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ACC_TYPE_CODE_READABLE equ 0x1a00
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ACC_TYPE_DATA_WRITABLE equ 0x1200
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EXT_NONE equ 0x0000
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EXT_BIG equ 0x0040
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PTE_FRAME equ 0xfffff000
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PTE_DIRTY equ 0x00000040 ; page has been modified
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PTE_ACCESSED equ 0x00000020 ; page has been accessed
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PTE_USER equ 0x00000004 ; set for user level (CPL 3), clear for supervisor level (CPL 0-2)
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PTE_READWRITE equ 0x00000002 ; set for read/write, clear for read-only (affects CPL 3 only)
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PTE_PRESENT equ 0x00000001 ; set for present page, clear for not-present page
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