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i386_vm86 —

vm86 ?˴?Ϣ?????ؿ??????椹??

?饤?֥???

Standard C Library (libc, -lc)

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<sys/types.h> <machine/sysarch.h> <machine/vm86.h> int i386_vm86(int function, void *data)

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i386_vm86() ?????ƥॳ?????? vm86 ?˴?Ϣ???뤵?ޤ??ޤʴؿ????ƤӽФ??Τ˻??Ѥ??ޤ??? function ?????ϼ????ͤ????? 1 ?ĤˤǤ??ޤ???

VM86_INIT

?????ͥ??Υץ??????? vm86 ?ѥ??᡼???ΰ??????????????ץ??????? vm86 ?ƤӽФ??? ?Ǥ????褦?ˤ??ޤ??? data ?????ϼ??ι?¤?Τ??ؤ??ޤ???

struct vm86_init_args {
        int     debug;
        int     cpu_type;
        u_char  int_map[32];
};

debug ?????ϥǥХå??????ɤ򥪥??ˤ??뤿???˻??Ѥ????ޤ??? cpu_type ?????ϥ??ߥ??졼?????Υ????פ? CPU ?????椹?????ΤǤ????? ???????Ǥϼ????????Ƥ??ޤ????? int_map ?????ϡ?vm86 ???????ߤ? vm86 ?⡼?ɤǽ???????ɬ?פ????뤫???ޤ??ϥץ??????? ȿ?Ǥ????ᤵ????ɬ?פ????뤫?ɤ????????ꤹ???ӥåȥޥåפǤ??? N ?֤? ?ΥӥåȤ????ꤵ???Ƥ??????硢???????ߤϥץ???????ȿ?Ǥ????ޤ??? ?????Ǥʤ????硢 vm86 ???????ߥơ??֥??ˤ??äƥǥ????ѥå??????ޤ???

VM86_INTCALL

?ץ??????? vm86 ???????ߥϥ??ɥ????ƤӽФ????褦?ˤ??ޤ??? ?????ϸ???Ū?? INT ̿???򥷥ߥ??졼?Ȥ??ޤ??? data ?ϲ????ι?¤?Τ??ؤ??????Ƥ????٤??Ǥ?:

struct vm86_intcall_args {
       int     intnum;
       struct  vm86frame vmf;
};

intnum ?ϥ??ߥ??졼?Ȥ??줿?ƤӽФ??Τ????? INT ?Υ??ڥ????ɤ????ꤷ?ޤ??? ?㤨?С??? 0x10 ?? VGA BIOS ?ؤθƤӽФ??Τ????ˤ褯???Ѥ????ޤ??? vmf ?ϳ??????ߥϥ??ɥ??Τ????θƤӽФ??????˽??äơ?CPU ?Υ쥸?????? ?????????뤿???˻??Ѥ????ޤ???

VM86_GET_VME

Pentium(r) ?ץ????å??? VME (???? 8086 ?⡼?ɳ?ĥ) ?ե饰 ?Ǥ??? CR4 ?? ?ӥå? 0 ?θ??ߤξ??֤??????Ф??????˻??Ѥ????ޤ??? data ?ϲ??????ؤ??????褦?˽????????????٤??Ǥ?:

struct vm86_vme_args {
       int     state;                  /* ???? */
};

state ?????????? VME ?ե饰?ξ??֤??????ޤ???

vm86 ?⡼?ɤ??????ˤϡ?vm86 ?Ѥ??????????ꤷ???ޥ??󥳥??ƥ????ȡ??????? PSL_VM ?ӥåȤ????ꤷ?? sigreturn(2) ???ƤӽФ??ޤ??? ?????ʥ????ۿ????????椬?ץ????????????ޤ???

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The i386_vm86() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error.

???顼

i386_vm86() ?????ƥॳ?????ϼ??ξ????˼??Ԥ??ޤ?:

[EINVAL]: ?????ͥ??? vm86 ???ݡ??Ȥ??ʤ??????ޤ???̵???ʴؿ??????ꤵ???ޤ?????
[ENOMEM]: ?????ͥ??ǡ?????¤?Τ????????????Τ˽?ʬ?ʥ????꤬?????ޤ?????

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???Υޥ˥奢???ڡ????? Jonathan Lemon ???񤭡? Bruce M Simpson ?????????ޤ?????