Changeset c6ae4c2 in mainline for kernel/generic/src/syscall/syscall.c

Timestamp:

2011-12-16T21:12:52Z (13 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c8751452

Parents:

e2718e1

Message:

implement basic DMA memory mapping routines
no persistent locking (pinning) of the DMA memory is currently implemented (this can be dangerous)
no unmapping is implemented
special allocations (< 16 MB, < 4 GB) are not supported yet

File:

• kernel/generic/src/syscall/syscall.c (modified) (1 diff)

kernel/generic/src/syscall/syscall.c

@@ -176 +176 @@
         (syshandler_t) sys_device_assign_devno,
         (syshandler_t) sys_physmem_map,
+        (syshandler_t) sys_dmamem_map,
+        (syshandler_t) sys_dmamem_unmap,
         (syshandler_t) sys_iospace_enable,
         (syshandler_t) sys_register_irq,