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Message type for SYS_VUMAP

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Change-Id: I9accdf887c119566429ab0803436b068729bcd85
This commit is contained in:
Lionel Sambuc
2014-05-22 10:05:44 +02:00
parent dc823abec2
commit f1dff35292
4 changed files with 46 additions and 34 deletions
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32
kernel/system/do_vumap.c
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@@ -2,14 +2,14 @@
* m_type: SYS_VUMAP
*
* The parameters for this kernel call are:
* m10_i1: VUMAP_ENDPT (grant owner, or SELF for local addresses)
* m10_l1: VUMAP_VADDR (address of virtual (input) vector)
* m10_i2: VUMAP_VCOUNT (number of elements in virtual vector)
* m10_l2: VUMAP_OFFSET (offset into first entry of input vector)
* m10_i3: VUMAP_ACCESS (safecopy access requested for input)
* m10_l3: VUMAP_PADDR (address of physical (output) vector)
* m10_i4: VUMAP_PMAX (maximum number of physical vector elements)
* m10_i1: VUMAP_PCOUNT (upon return: number of elements filled)
* m_lsys_krn_sys_vumap.endpt (grant owner, or SELF for local addresses)
* m_lsys_krn_sys_vumap.vaddr (address of virtual (input) vector)
* m_lsys_krn_sys_vumap.vcount (number of elements in virtual vector)
* m_lsys_krn_sys_vumap.offset (offset into first entry of input vector)
* m_lsys_krn_sys_vumap.access (safecopy access requested for input)
* m_lsys_krn_sys_vumap.paddr (address of physical (output) vector)
* m_lsys_krn_sys_vumap.pmax (maximum number of physical vector elements)
* m_krn_lsys_sys_vumap.pcount (upon return: number of elements filled)
*/
#include "kernel/system.h"
@@ -37,13 +37,13 @@ int do_vumap(struct proc *caller, message *m_ptr)
endpt = caller->p_endpoint;
/* Retrieve and check input parameters. */
source = m_ptr->VUMAP_ENDPT;
vaddr = (vir_bytes) m_ptr->VUMAP_VADDR;
vcount = m_ptr->VUMAP_VCOUNT;
offset = m_ptr->VUMAP_OFFSET;
access = m_ptr->VUMAP_ACCESS;
paddr = (vir_bytes) m_ptr->VUMAP_PADDR;
pmax = m_ptr->VUMAP_PMAX;
source = m_ptr->m_lsys_krn_sys_vumap.endpt;
vaddr = m_ptr->m_lsys_krn_sys_vumap.vaddr;
vcount = m_ptr->m_lsys_krn_sys_vumap.vcount;
offset = m_ptr->m_lsys_krn_sys_vumap.offset;
access = m_ptr->m_lsys_krn_sys_vumap.access;
paddr = m_ptr->m_lsys_krn_sys_vumap.paddr;
pmax = m_ptr->m_lsys_krn_sys_vumap.pmax;
if (vcount <= 0 || pmax <= 0)
return EINVAL;
@@ -125,7 +125,7 @@ int do_vumap(struct proc *caller, message *m_ptr)
r = data_copy_vmcheck(caller, KERNEL, (vir_bytes) pvec, endpt, paddr, size);
if (r == OK)
m_ptr->VUMAP_PCOUNT = pcount;
m_ptr->m_krn_lsys_sys_vumap.pcount = pcount;
return r;
}