From 53a6e039dedc2e0f85f5899df5437ac3e242b77c Mon Sep 17 00:00:00 2001
From: David van Moolenbroek <david@minix3.org>
Date: Tue, 19 Jan 2010 21:24:42 +0000
Subject: [PATCH] remove SYS_MAPDMA

---
 etc/system.conf           |  2 --
 include/minix/com.h       |  1 -
 kernel/system.c           |  1 -
 kernel/system.h           |  3 ---
 kernel/system/Makefile    |  4 ----
 kernel/system/do_mapdma.c | 43 ---------------------------------------
 lib/syslib/sys_mapdma.c   | 19 -----------------
 servers/rs/service.c      |  1 -
 8 files changed, 74 deletions(-)
 delete mode 100644 kernel/system/do_mapdma.c
 delete mode 100644 lib/syslib/sys_mapdma.c

diff --git a/etc/system.conf b/etc/system.conf
index 276f832b4..a8567c11b 100644
--- a/etc/system.conf
+++ b/etc/system.conf
@@ -90,7 +90,6 @@ service rtl8139
 		SAFECOPYTO	# 32
 		SETGRANT	# 34
 		PROFBUF		# 38
-		MAPDMA		# 41
 		SYSCTL		# 44
 	;
 	pci device	10ec/8139;
@@ -474,7 +473,6 @@ service rtl8169
 		SAFECOPYTO	# 32
 		SETGRANT	# 34
 		PROFBUF		# 38
-		MAPDMA		# 41
 		SYSCTL		# 44
 	;
 	pci device	10ec/8129;
diff --git a/include/minix/com.h b/include/minix/com.h
index 6fa517a93..c9f3d7f3b 100644
--- a/include/minix/com.h
+++ b/include/minix/com.h
@@ -344,7 +344,6 @@
 
 #  define SYS_STIME      (KERNEL_CALL + 39)	/* sys_stime() */
 
-#  define SYS_MAPDMA     (KERNEL_CALL + 42)	/* sys_mapdma() */
 #  define SYS_VMCTL      (KERNEL_CALL + 43)	/* sys_vmctl() */
 #  define SYS_SYSCTL     (KERNEL_CALL + 44)	/* sys_sysctl() */
 
diff --git a/kernel/system.c b/kernel/system.c
index cb0ab8d5d..6a658433c 100644
--- a/kernel/system.c
+++ b/kernel/system.c
@@ -235,7 +235,6 @@ PRIVATE void initialize(void)
   map(SYS_READBIOS, do_readbios);	/* read from BIOS locations */
   map(SYS_IOPENABLE, do_iopenable); 	/* Enable I/O */
   map(SYS_SDEVIO, do_sdevio);		/* phys_insb, _insw, _outsb, _outsw */
-  map(SYS_MAPDMA, do_mapdma);		
 #endif
 }
 
diff --git a/kernel/system.h b/kernel/system.h
index ac13bb908..4e8489e70 100644
--- a/kernel/system.h
+++ b/kernel/system.h
@@ -179,7 +179,6 @@ _PROTOTYPE( int do_iopenable, (message *m_ptr) );
 _PROTOTYPE( int do_vmctl, (message *m_ptr) );	
 _PROTOTYPE( int do_setgrant, (message *m_ptr) );	
 _PROTOTYPE( int do_readbios, (message *m_ptr) );	
-_PROTOTYPE( int do_mapdma, (message *m_ptr) );	
 
 _PROTOTYPE( int do_safemap, (message *m_ptr) );	
 _PROTOTYPE( int do_saferevmap, (message *m_ptr) );	
@@ -193,7 +192,5 @@ _PROTOTYPE( int do_sprofile, (message *m_ptr) );
 _PROTOTYPE( int do_cprofile, (message *m_ptr) );
 _PROTOTYPE( int do_profbuf, (message *m_ptr) );
 
-_PROTOTYPE( int do_mapdma, (message *m_ptr) );
-
 #endif	/* SYSTEM_H */
 
diff --git a/kernel/system/Makefile b/kernel/system/Makefile
index 67bddfb89..595164b27 100644
--- a/kernel/system/Makefile
+++ b/kernel/system/Makefile
@@ -56,7 +56,6 @@ OBJECTS	= \
 	$(SYSTEM)(do_sprofile.o) \
 	$(SYSTEM)(do_cprofile.o) \
 	$(SYSTEM)(do_profbuf.o) \
-	$(SYSTEM)(do_mapdma.o) \
 	$(SYSTEM)(do_vmctl.o)
 
 build $(SYSTEM):	$(OBJECTS)
@@ -178,8 +177,5 @@ $(SYSTEM)(do_cprofile.o):       do_cprofile.c
 $(SYSTEM)(do_profbuf.o):        do_profbuf.c
 	$(CC) do_profbuf.c
 
-$(SYSTEM)(do_mapdma.o):        do_mapdma.c
-	$(CC) do_mapdma.c
-
 $(SYSTEM)(do_vmctl.o):        do_vmctl.c
 	$(CC) do_vmctl.c
diff --git a/kernel/system/do_mapdma.c b/kernel/system/do_mapdma.c
deleted file mode 100644
index 449ab0c91..000000000
--- a/kernel/system/do_mapdma.c
+++ /dev/null
@@ -1,43 +0,0 @@
-/* The kernel call implemented in this file:
- *   m_type:	SYS_MAPDMA
- *
- * The parameters for this kernel call are:
- *    m5_l1:	CP_SRC_ADDR	(virtual address)	
- *    m5_l3:	CP_NR_BYTES	(size of datastructure) 	
- */
-
-#include "../system.h"
-
-/*==========================================================================*
- *				do_mapdma				    *
- *==========================================================================*/
-PUBLIC int do_mapdma(m_ptr)
-register message *m_ptr;	/* pointer to request message */
-{
-	int r;
-	endpoint_t proc_e;
-	int proc_p;
-	vir_bytes base, size;
-	phys_bytes phys_base;
-	struct proc *proc;
-	message m;
-
-	proc_e = m_ptr->CP_SRC_ENDPT;
-	base= m_ptr->CP_SRC_ADDR;
-	size= m_ptr->CP_NR_BYTES;
-
-	if (!isokendpt(proc_e, &proc_p))
-		return(EINVAL);
-
-	proc = proc_addr(proc_p);
-
-        phys_base= umap_virtual(proc, D, base, size);
-        if (!phys_base)
-        {
-                kprintf("do_mapdma: umap_virtual failed\n");
-		return EFAULT;
-	}
-
-	m_ptr->CP_DST_ADDR = phys_base;
-	return OK;
-}
diff --git a/lib/syslib/sys_mapdma.c b/lib/syslib/sys_mapdma.c
deleted file mode 100644
index d5509e14a..000000000
--- a/lib/syslib/sys_mapdma.c
+++ /dev/null
@@ -1,19 +0,0 @@
-#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);
-}
-
diff --git a/servers/rs/service.c b/servers/rs/service.c
index 695ece7b4..8b1732c37 100644
--- a/servers/rs/service.c
+++ b/servers/rs/service.c
@@ -737,7 +737,6 @@ struct
 	{ "READBIOS",		SYS_READBIOS },
 	{ "PROFBUF",		SYS_PROFBUF },
 	{ "STIME",		SYS_STIME },
-	{ "MAPDMA",		SYS_MAPDMA },
 	{ "VMCTL",		SYS_VMCTL },
 	{ "SYSCTL",		SYS_SYSCTL },
 	{ NULL,		0 }