Data Structures
struct	vm86_regs
struct	revectored_struct
struct	vm86_struct
struct	vm86plus_info_struct
struct	vm86plus_struct
Defines
#define	TF_MASK 0x00000100
#define	IF_MASK 0x00000200
#define	IOPL_MASK 0x00003000
#define	NT_MASK 0x00004000
#define	VM_MASK 0x00020000
#define	AC_MASK 0x00040000
#define	VIF_MASK 0x00080000 /* virtual interrupt flag */
#define	VIP_MASK 0x00100000 /* virtual interrupt pending */
#define	ID_MASK 0x00200000
#define	BIOSSEG 0x0f000
#define	CPU_086 0
#define	CPU_186 1
#define	CPU_286 2
#define	CPU_386 3
#define	CPU_486 4
#define	CPU_586 5
#define	VM86_TYPE(retval) ((retval) & 0xff)
#define	VM86_ARG(retval) ((retval) >> 8)
#define	VM86_SIGNAL 0 /* return due to signal */
#define	VM86_UNKNOWN 1 /* unhandled GP fault - IO-instruction or similar */
#define	VM86_INTx 2 /* int3/int x instruction (ARG = x) */
#define	VM86_STI 3 /* sti/popf/iret instruction enabled virtual interrupts */
#define	VM86_PICRETURN 4 /* return due to pending PIC request */
#define	VM86_TRAP 6 /* return due to DOS-debugger request */
#define	VM86_PLUS_INSTALL_CHECK 0
#define	VM86_ENTER 1
#define	VM86_ENTER_NO_BYPASS 2
#define	VM86_REQUEST_IRQ 3
#define	VM86_FREE_IRQ 4
#define	VM86_GET_IRQ_BITS 5
#define	VM86_GET_AND_RESET_IRQ 6
#define	VM86_SCREEN_BITMAP 0x0001

Define Documentation

#define AC_MASK 0x00040000

#define BIOSSEG 0x0f000

#define CPU_086 0

#define CPU_186 1

#define CPU_286 2

#define CPU_386 3

#define CPU_486 4

#define CPU_586 5

Referenced by setup_vm86().

#define ID_MASK 0x00200000

#define IF_MASK 0x00000200

Referenced by run_bios_int().

#define IOPL_MASK 0x00003000

#define NT_MASK 0x00004000

Referenced by run_bios_int().

#define TF_MASK 0x00000100

Referenced by run_bios_int().

#define VIF_MASK 0x00080000 /* virtual interrupt flag */

Referenced by run_bios_int(), and setup_vm86().

#define VIP_MASK 0x00100000 /* virtual interrupt pending */

Referenced by setup_vm86().

#define VM86_ARG ( retval ) ((retval) >> 8)

Referenced by do_vm86().

#define VM86_ENTER 1

#define VM86_ENTER_NO_BYPASS 2

#define VM86_FREE_IRQ 4

#define VM86_GET_AND_RESET_IRQ 6

#define VM86_GET_IRQ_BITS 5

#define VM86_INTx 2 /* int3/int x instruction (ARG = x) */

Referenced by do_int(), and do_vm86().

#define VM86_PICRETURN 4 /* return due to pending PIC request */

#define VM86_PLUS_INSTALL_CHECK 0

#define VM86_REQUEST_IRQ 3

#define VM86_SCREEN_BITMAP 0x0001

Referenced by setup_vm86().

#define VM86_SIGNAL 0 /* return due to signal */

Referenced by do_vm86().

#define VM86_STI 3 /* sti/popf/iret instruction enabled virtual interrupts */

Referenced by do_vm86().

#define VM86_TRAP 6 /* return due to DOS-debugger request */

#define VM86_TYPE ( retval ) ((retval) & 0xff)

Referenced by do_vm86().

#define VM86_UNKNOWN 1 /* unhandled GP fault - IO-instruction or similar */

Referenced by do_vm86(), and emu_vm86().

#define VM_MASK 0x00020000

Data Structures

Defines

Define Documentation