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NOVA: add rights mask and enums for kernel errors

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This commit is contained in:
Alexander Boettcher 2012-08-08 13:09:16 +02:00 committed by Norman Feske
parent 755ed3dc90
commit ddd4b9633d
1 changed files with 26 additions and 9 deletions
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35
base-nova/include/nova/syscall-generic.h
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@ -44,7 +44,7 @@ namespace Nova {
}; };
/** /**
* NOVA sytem-call IDs * NOVA system-call IDs
*/ */
enum Syscall { enum Syscall {
NOVA_CALL = 0x0, NOVA_CALL = 0x0,
@ -63,6 +63,21 @@ namespace Nova {
NOVA_ASSIGN_GSI = 0xd, NOVA_ASSIGN_GSI = 0xd,
}; };
/**
* NOVA status codes returned by system-calls
*/
enum Status
{
NOVA_OK = 0,
NOVA_IPC_TIMEOUT = 1,
NOVA_IPC_ABORT = 2,
NOVA_INV_HYPERCALL = 3,
NOVA_INV_SELECTOR = 4,
NOVA_INV_PARAMETER = 5,
NOVA_INV_FEATURE = 6,
NOVA_INV_CPU_NUMBER = 7,
NOVA_INVD_DEVICE_ID = 8,
};
/** /**
* Hypervisor information page * Hypervisor information page
@ -184,9 +199,10 @@ namespace Nova {
*/ */
enum { enum {
TYPE_MASK = 0x3, TYPE_SHIFT = 0, TYPE_MASK = 0x3, TYPE_SHIFT = 0,
BASE_SHIFT = 12, RIGHTS_MASK = 0x7c, BASE_SHIFT = 12, RIGHTS_MASK = 0x1f,
ORDER_MASK = 0x1f, ORDER_SHIFT = 7, ORDER_MASK = 0x1f, ORDER_SHIFT = 7,
BASE_MASK = (~0UL) >> BASE_SHIFT BASE_MASK = (~0UL) >> BASE_SHIFT,
RIGHTS_SHIFT= 2
}; };
/** /**
@ -197,9 +213,7 @@ namespace Nova {
MEM_CRD_TYPE = 1, MEM_CRD_TYPE = 1,
IO_CRD_TYPE = 2, IO_CRD_TYPE = 2,
OBJ_CRD_TYPE = 3, OBJ_CRD_TYPE = 3,
RIGHTS_ALL = 0x7c, RIGHTS_ALL = 0x1f,
IO_CRD_ALL = IO_CRD_TYPE | RIGHTS_ALL,
OBJ_CRD_ALL = OBJ_CRD_TYPE | RIGHTS_ALL,
}; };
void _base(mword_t base) void _base(mword_t base)
@ -299,7 +313,8 @@ namespace Nova {
Io_crd(mword_t base, mword_t order) Io_crd(mword_t base, mword_t order)
: Crd(base, order) : Crd(base, order)
{ {
_assign<TYPE_MASK | RIGHTS_MASK, TYPE_SHIFT>(IO_CRD_ALL); _assign<TYPE_MASK, TYPE_SHIFT>(IO_CRD_TYPE);
_assign<RIGHTS_MASK, RIGHTS_SHIFT>(RIGHTS_ALL);
} }
}; };
@ -308,10 +323,12 @@ namespace Nova {
{ {
public: public:
Obj_crd(mword_t base, mword_t order) Obj_crd(mword_t base, mword_t order,
mword_t rights = RIGHTS_ALL)
: Crd(base, order) : Crd(base, order)
{ {
_assign<TYPE_MASK | RIGHTS_MASK, TYPE_SHIFT>(OBJ_CRD_ALL); _assign<TYPE_MASK, TYPE_SHIFT>(OBJ_CRD_TYPE);
_assign<RIGHTS_MASK, RIGHTS_SHIFT>(rights);
} }
}; };