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remove SYS_MAPDMA

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This commit is contained in:
David van Moolenbroek
2010-01-19 21:24:42 +00:00
parent f175410902
commit 53a6e039de
8 changed files with 0 additions and 74 deletions
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4
kernel/system/Makefile
View File

@@ -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

43
kernel/system/do_mapdma.c
View File

@@ -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;
}