minix/lib/syslib/sys_vmctl.c
Ben Gras c628f24bc2 moved stacktrace to sysctl, as vmctl is very privileged so can't
be used outside VM. IS code cleanup. added stacktrace feature to IS.
2009-01-27 12:54:33 +00:00

62 lines
1.2 KiB
C
Executable file

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