Changeset 2bb8648 in mainline for generic/include

Timestamp:

2006-05-07T15:21:11Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

31282f9

Parents:

ecf3722

Message:

Add SYS_CAP_GRANT and SYS_CAP_REVOKE syscalls.
Move SYS_PREEMPT_CONTROL to ddi.c.
Add some comments and fix some small issues.

Location:

generic/include

Files:

• ddi/ddi.h (modified) (1 diff)
• security/cap.h (modified) (3 diffs)
• syscall/sysarg64.h (added)
• syscall/syscall.h (modified) (2 diffs)

generic/include/ddi/ddi.h

@@ -36 +36 @@
 extern __native sys_physmem_map(ddi_memarg_t *uspace_mem_arg);
 extern __native sys_iospace_enable(ddi_ioarg_t *uspace_io_arg);
+extern __native sys_preempt_control(int enable);
 
 /*

generic/include/security/cap.h

@@ -42 +42 @@
 #define __CAP_H__
 
+#include <syscall/sysarg64.h>
 #include <arch/types.h>
 #include <typedefs.h>
@@ -64 +65 @@
 
 /**
- * CAP_PREEMPT_CONTROL allows its holder to disable interrupts
+ * CAP_PREEMPT_CONTROL allows its holder to disable/enable preemption.
  */
-#define CAP_PREEMPT_CONTROL         (1<<3)
+#define CAP_PREEMPT_CONTROL     (1<<3)
+
+/**
+ * CAP_IRQ_REG entitles its holder to register IRQ handlers.
+ */
+#define CAP_IRQ_REG             (1<<4) 
 
 typedef __u32 cap_t;
@@ -73 +79 @@
 extern cap_t cap_get(task_t *t);
 
+extern __native sys_cap_grant(sysarg64_t *uspace_taskid_arg, cap_t caps);
+extern __native sys_cap_revoke(sysarg64_t *uspace_taskid_arg, cap_t caps);
+
 #endif

generic/include/syscall/syscall.h

@@ -33 +33 @@
         SYS_IO = 0,
         SYS_TLS_SET = 1, /* Hardcoded in AMD64,IA32 uspace - psthread.S */
-        SYS_PREEMPT_CONTROL,
         SYS_THREAD_CREATE,
         SYS_THREAD_EXIT,
@@ -54 +53 @@
         SYS_IPC_REGISTER_IRQ,
         SYS_IPC_UNREGISTER_IRQ,
+        SYS_CAP_GRANT,
+        SYS_CAP_REVOKE,
         SYS_MAP_PHYSMEM,
         SYS_IOSPACE_ENABLE,
+        SYS_PREEMPT_CONTROL,
         SYSCALL_END
 } syscall_t;