From: Philip Homburg <philip@cs.vu.nl>
Date: Thu, 21 Feb 2008 16:02:22 +0000 (+0000)
Subject: adddma/deldma/getdma/sys_mapdma
X-Git-Tag: v3.1.4~289
X-Git-Url: http://zhaoyanbai.com/repos/icons/static/man.3.ps?a=commitdiff_plain;h=4951a741b0230479972154185bd8549042b990c8;p=minix.git

adddma/deldma/getdma/sys_mapdma
---

diff --git a/lib/other/Makefile.in b/lib/other/Makefile.in
index 0d7356772..2bf999a22 100644
--- a/lib/other/Makefile.in
+++ b/lib/other/Makefile.in
@@ -6,10 +6,13 @@ LIBRARIES=libc
 
 libc_FILES=" \
 	__pm_findproc.c \
+	_adddma.c \
 	_brk.c \
 	_cprofile.c \
+	_deldma.c \
 	_devctl.c \
 	_getdents.c \
+	_getdma.c \
 	_getnpid.c \
 	_getnprocnr.c \
 	_getpprocnr.c \
diff --git a/lib/other/_adddma.c b/lib/other/_adddma.c
new file mode 100755
index 000000000..d77b29a00
--- /dev/null
+++ b/lib/other/_adddma.c
@@ -0,0 +1,21 @@
+/* adddma.c 
+ */
+
+#include <lib.h>
+#define adddma	_adddma
+#include <unistd.h>
+#include <stdarg.h>
+
+int adddma(proc_e, start, size)
+endpoint_t proc_e;
+phys_bytes start;
+phys_bytes size;
+{
+  message m;
+
+  m.m2_i1= proc_e;
+  m.m2_l1= start;
+  m.m2_l2= size;
+
+  return _syscall(MM, ADDDMA, &m);
+}
diff --git a/lib/other/_deldma.c b/lib/other/_deldma.c
new file mode 100755
index 000000000..7ec5739c1
--- /dev/null
+++ b/lib/other/_deldma.c
@@ -0,0 +1,21 @@
+/* deldma.c 
+ */
+
+#include <lib.h>
+#define deldma	_deldma
+#include <unistd.h>
+#include <stdarg.h>
+
+int deldma(proc_e, start, size)
+endpoint_t proc_e;
+phys_bytes start;
+phys_bytes size;
+{
+  message m;
+
+  m.m2_i1= proc_e;
+  m.m2_l1= start;
+  m.m2_l2= size;
+
+  return _syscall(MM, DELDMA, &m);
+}
diff --git a/lib/other/_getdma.c b/lib/other/_getdma.c
new file mode 100755
index 000000000..1c6175d3b
--- /dev/null
+++ b/lib/other/_getdma.c
@@ -0,0 +1,25 @@
+/* getdma.c 
+ */
+
+#include <lib.h>
+#define getdma	_getdma
+#include <unistd.h>
+#include <stdarg.h>
+
+int getdma(procp, basep, sizep)
+endpoint_t *procp;
+phys_bytes *basep;
+phys_bytes *sizep;
+{
+  int r;
+  message m;
+
+  r= _syscall(MM, GETDMA, &m);
+  if (r == 0)
+  {
+	*procp= m.m2_i1;
+	*basep= m.m2_l1;
+	*sizep= m.m2_l2;
+  }
+  return r;
+}
diff --git a/lib/syscall/Makefile.in b/lib/syscall/Makefile.in
index 687338072..7ccfc22fd 100644
--- a/lib/syscall/Makefile.in
+++ b/lib/syscall/Makefile.in
@@ -6,6 +6,7 @@ libc_FILES=" \
 	_exit.s \
 	_pm_findproc.s \
 	access.s \
+	adddma.s \
 	alarm.s \
 	brk.s \
 	cfgetispeed.s \
@@ -20,6 +21,7 @@ libc_FILES=" \
 	closedir.s \
 	cprofile.s \
 	creat.s \
+	deldma.s \
 	devctl.s \
 	dup.s \
 	dup2.s \
@@ -38,6 +40,7 @@ libc_FILES=" \
 	fstatfs.s \
 	getcwd.s \
 	getdents.s \
+	getdma.s \
 	getegid.s \
 	geteuid.s \
 	getgid.s \
diff --git a/lib/syscall/adddma.s b/lib/syscall/adddma.s
new file mode 100755
index 000000000..2f4dcf999
--- /dev/null
+++ b/lib/syscall/adddma.s
@@ -0,0 +1,7 @@
+.sect .text
+.extern	__adddma
+.define	_adddma
+.align 2
+
+_adddma:
+	jmp	__adddma
diff --git a/lib/syscall/deldma.s b/lib/syscall/deldma.s
new file mode 100755
index 000000000..797d62649
--- /dev/null
+++ b/lib/syscall/deldma.s
@@ -0,0 +1,7 @@
+.sect .text
+.extern	__deldma
+.define	_deldma
+.align 2
+
+_deldma:
+	jmp	__deldma
diff --git a/lib/syscall/getdma.s b/lib/syscall/getdma.s
new file mode 100755
index 000000000..3939a3d05
--- /dev/null
+++ b/lib/syscall/getdma.s
@@ -0,0 +1,7 @@
+.sect .text
+.extern	__getdma
+.define	_getdma
+.align 2
+
+_getdma:
+	jmp	__getdma
diff --git a/lib/syslib/sys_mapdma.c b/lib/syslib/sys_mapdma.c
new file mode 100644
index 000000000..d5509e14a
--- /dev/null
+++ b/lib/syslib/sys_mapdma.c
@@ -0,0 +1,19 @@
+#include "syslib.h"
+
+/*===========================================================================*
+ *                                sys_mapdma				     *
+ *===========================================================================*/
+PUBLIC int sys_mapdma(vir_addr, bytes)
+vir_bytes vir_addr;			/* address in bytes with segment*/
+vir_bytes bytes;			/* number of bytes to be copied */
+{
+    message m;
+    int result;
+
+    m.CP_SRC_ADDR = vir_addr;
+    m.CP_NR_BYTES = bytes;
+
+    result = _taskcall(SYSTASK, SYS_MAPDMA, &m);
+    return(result);
+}
+