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KVM: ia64: Prepare some structure and routines for kvm use

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Register structures are defined per SDM.
Add three small routines for kernel:
ia64_ttag, ia64_loadrs, ia64_flushrs

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Xiantao Zhang 2008-04-01 14:42:00 +08:00 committed by Avi Kivity
parent c71799c1f4
commit e235f3450f
2 changed files with 75 additions and 0 deletions
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12
include/asm-ia64/gcc_intrin.h
View File

@ -21,6 +21,10 @@
#define ia64_invala_fr(regnum) asm volatile ("invala.e f%0" :: "i"(regnum))
#define ia64_flushrs() asm volatile ("flushrs;;":::"memory")
#define ia64_loadrs() asm volatile ("loadrs;;":::"memory")
extern void ia64_bad_param_for_setreg (void);
extern void ia64_bad_param_for_getreg (void);
@ -517,6 +521,14 @@ do { \
#define ia64_ptrd(addr, size) \
asm volatile ("ptr.d %0,%1" :: "r"(addr), "r"(size) : "memory")
#define ia64_ttag(addr) \
({ \
__u64 ia64_intri_res; \
asm volatile ("ttag %0=%1" : "=r"(ia64_intri_res) : "r" (addr)); \
ia64_intri_res; \
})
/* Values for lfhint in ia64_lfetch and ia64_lfetch_fault */
#define ia64_lfhint_none 0

63
include/asm-ia64/processor.h
View File

@ -119,6 +119,69 @@ struct ia64_psr {
__u64 reserved4 : 19;
};
union ia64_isr {
__u64 val;
struct {
__u64 code : 16;
__u64 vector : 8;
__u64 reserved1 : 8;
__u64 x : 1;
__u64 w : 1;
__u64 r : 1;
__u64 na : 1;
__u64 sp : 1;
__u64 rs : 1;
__u64 ir : 1;
__u64 ni : 1;
__u64 so : 1;
__u64 ei : 2;
__u64 ed : 1;
__u64 reserved2 : 20;
};
};
union ia64_lid {
__u64 val;
struct {
__u64 rv : 16;
__u64 eid : 8;
__u64 id : 8;
__u64 ig : 32;
};
};
union ia64_tpr {
__u64 val;
struct {
__u64 ig0 : 4;
__u64 mic : 4;
__u64 rsv : 8;
__u64 mmi : 1;
__u64 ig1 : 47;
};
};
union ia64_itir {
__u64 val;
struct {
__u64 rv3 : 2; /* 0-1 */
__u64 ps : 6; /* 2-7 */
__u64 key : 24; /* 8-31 */
__u64 rv4 : 32; /* 32-63 */
};
};
union ia64_rr {
__u64 val;
struct {
__u64 ve : 1; /* enable hw walker */
__u64 reserved0: 1; /* reserved */
__u64 ps : 6; /* log page size */
__u64 rid : 24; /* region id */
__u64 reserved1: 32; /* reserved */
};
};
/*
* CPU type, hardware bug flags, and per-CPU state. Frequently used
* state comes earlier: