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Added a new uattr word to capabilities.

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The new word is for irq numbers.
This commit is contained in:
Bahadir Balban
2009-11-23 14:37:37 +02:00
parent 1f32e0ce0e
commit b994083e27
5 changed files with 15 additions and 13 deletions
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4
include/l4/api/capability.h
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@@ -89,8 +89,8 @@ struct capability {
/* Use count of resource */
unsigned long used;
/* User-defined attributes on capability (like devtypes) */
unsigned int uattr;
/* User attributes on capability such as device type, irqno */
u32 uattr[2];
};
#endif /* __API_CAPABILITY_H__ */

15
include/l4/generic/cap-types.h
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@@ -52,16 +52,17 @@
#define CAP_DEVNUM_MASK 0xFFFF0000
#define CAP_DEVNUM_SHIFT 16
#define cap_is_devmem(c) (c)->uattr
#define cap_is_devmem(c) (c)->uattr[0]
#define cap_set_devtype(c, devtype) \
{(c)->uattr &= ~CAP_DEVTYPE_MASK; \
(c)->uattr |= CAP_DEVTYPE_MASK & devtype;}
{(c)->uattr[0] &= ~CAP_DEVTYPE_MASK; \
(c)->uattr[0] |= CAP_DEVTYPE_MASK & devtype;}
#define cap_set_devnum(c, devnum) \
{(c)->uattr &= ~CAP_DEVNUM_MASK; \
(c)->uattr |= CAP_DEVNUM_MASK & devnum;}
{(c)->uattr[0] &= ~CAP_DEVNUM_MASK; \
(c)->uattr[0] |= CAP_DEVNUM_MASK & devnum;}
#define cap_devnum(c) \
(((c)->uattr & CAP_DEVNUM_MASK) >> CAP_DEVNUM_SHIFT)
#define cap_devtype(c) ((c)->uattr & CAP_DEVTYPE_MASK)
(((c)->uattr[0] & CAP_DEVNUM_MASK) >> CAP_DEVNUM_SHIFT)
#define cap_devtype(c) ((c)->uattr[0] & CAP_DEVTYPE_MASK)
#define cap_irqno(c) ((c)->uattr[1])
/*
* Access permissions

2
include/l4/generic/container.h
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@@ -60,7 +60,7 @@ struct cap_info {
unsigned long start;
unsigned long end;
unsigned long size;
unsigned int uattr; /* User-level attributes (like device types) */
unsigned int uattr[2]; /* User-level attributes (like device types) */
};

1
include/l4/generic/tcb.h
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@@ -48,6 +48,7 @@ static inline l4id_t tid_to_cid(l4id_t tid)
return (tid & TASK_CID_MASK) >> TASK_CID_SHIFT;
}
/* Values that rather have special meaning instead of an id value */
static inline int tid_special_value(l4id_t id)
{
/* Special ids have top 2 nibbles all set */