71 lines
1.4 KiB
C
Executable file
71 lines
1.4 KiB
C
Executable file
#include "syslib.h"
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PUBLIC int sys_vmctl(endpoint_t who, int param, u32_t value)
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{
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message m;
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int r;
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m.SVMCTL_WHO = who;
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m.SVMCTL_PARAM = param;
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m.SVMCTL_VALUE = value;
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r = _taskcall(SYSTASK, SYS_VMCTL, &m);
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return(r);
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}
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PUBLIC int sys_vmctl_get_pagefault_i386(endpoint_t *who, u32_t *cr2, u32_t *err)
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{
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message m;
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int r;
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m.SVMCTL_WHO = SELF;
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m.SVMCTL_PARAM = VMCTL_GET_PAGEFAULT;
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r = _taskcall(SYSTASK, SYS_VMCTL, &m);
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if(r == OK) {
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*who = m.SVMCTL_PF_WHO;
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*cr2 = m.SVMCTL_PF_I386_CR2;
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*err = m.SVMCTL_PF_I386_ERR;
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}
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return(r);
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}
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PUBLIC int sys_vmctl_get_cr3_i386(endpoint_t who, u32_t *cr3)
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{
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message m;
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int r;
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m.SVMCTL_WHO = who;
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m.SVMCTL_PARAM = VMCTL_I386_GETCR3;
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r = _taskcall(SYSTASK, SYS_VMCTL, &m);
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if(r == OK) {
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*cr3 = m.SVMCTL_VALUE;
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}
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return(r);
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}
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PUBLIC int sys_vmctl_get_memreq(endpoint_t *who, vir_bytes *mem,
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vir_bytes *len, int *wrflag, endpoint_t *requestor)
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{
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message m;
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int r;
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m.SVMCTL_WHO = SELF;
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m.SVMCTL_PARAM = VMCTL_MEMREQ_GET;
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r = _taskcall(SYSTASK, SYS_VMCTL, &m);
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if(r == OK) {
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*who = m.SVMCTL_MRG_EP;
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*mem = (vir_bytes) m.SVMCTL_MRG_ADDR;
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*len = m.SVMCTL_MRG_LEN;
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*wrflag = m.SVMCTL_MRG_WRITE;
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*requestor = (endpoint_t) m.SVMCTL_MRG_REQUESTOR;
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}
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return r;
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}
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PUBLIC int sys_vmctl_enable_paging(struct mem_map *map)
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{
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message m;
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m.SVMCTL_WHO = SELF;
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m.SVMCTL_PARAM = VMCTL_ENABLE_PAGING;
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m.SVMCTL_VALUE = (int) map;
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return _taskcall(SYSTASK, SYS_VMCTL, &m);
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}
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