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more vm stubs

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This commit is contained in:
Ben Gras 2009-09-21 14:45:09 +00:00
parent e8b3ac74a6
commit 76ba69151d
1 changed files with 75 additions and 1 deletions
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76
lib/posix/_mmap.c
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@ -2,6 +2,11 @@
#include <lib.h>
#define mmap _mmap
#define munmap _munmap
#define munmap_text _munmap_text
#define vm_remap _vm_remap
#define vm_unmap _vm_unmap
#define vm_getphys _vm_getphys
#define vm_getrefcount _vm_getrefcount
#include <sys/mman.h>
#include <stdarg.h>
#include <string.h>
@ -36,5 +41,74 @@ PUBLIC int munmap(void *addr, size_t len)
m.VMUM_ADDR = addr;
m.VMUM_LEN = len;
return _syscall(VM_PROC_NR, VM_UNMAP, &m);
return _syscall(VM_PROC_NR, VM_MUNMAP, &m);
}
PUBLIC int munmap_text(void *addr, size_t len)
{
message m;
m.VMUM_ADDR = addr;
m.VMUM_LEN = len;
return _syscall(VM_PROC_NR, VM_MUNMAP_TEXT, &m);
}
PUBLIC void *vm_remap(int d, int s, void *da, void *sa, size_t size)
{
message m;
int r;
m.VMRE_D = d;
m.VMRE_S = s;
m.VMRE_DA = (char *) da;
m.VMRE_SA = (char *) sa;
m.VMRE_SIZE = size;
r = _syscall(VM_PROC_NR, VM_REMAP, &m);
if (r != OK)
return MAP_FAILED;
return (void *) m.VMRE_RETA;
}
PUBLIC int vm_unmap(int endpt, void *addr)
{
message m;
m.VMUN_ENDPT = endpt;
m.VMUN_ADDR = (long) addr;
return _syscall(VM_PROC_NR, VM_SHM_UNMAP, &m);
}
PUBLIC unsigned long vm_getphys(int endpt, void *addr)
{
message m;
unsigned long ret;
int r;
m.VMPHYS_ENDPT = endpt;
m.VMPHYS_ADDR = (long) addr;
r = _syscall(VM_PROC_NR, VM_GETPHYS, &m);
if (r != OK)
return 0;
return m.VMPHYS_RETA;
}
PUBLIC u8_t vm_getrefcount(int endpt, void *addr)
{
message m;
u8_t ret;
int r;
m.VMREFCNT_ENDPT = endpt;
m.VMREFCNT_ADDR = (long) addr;
r = _syscall(VM_PROC_NR, VM_GETREF, &m);
if (r != OK)
return (u8_t) -1;
return (u8_t) m.VMREFCNT_RETC;
}