From: Ben Gras <ben@minix3.org>
Date: Mon, 21 Sep 2009 14:45:09 +0000 (+0000)
Subject: more vm stubs
X-Git-Tag: v3.1.5~126
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=76ba69151dc1c9e6492ea03c2fa906fa84344cae;p=minix.git

more vm stubs
---

diff --git a/lib/posix/_mmap.c b/lib/posix/_mmap.c
index 4dbbbc8a3..a1bfd6638 100755
--- a/lib/posix/_mmap.c
+++ b/lib/posix/_mmap.c
@@ -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;
+}
+