From: Xiantao Zhang <[EMAIL PROTECTED]>
Register structures are defined per SDM.
Add three small routines for kernel:
ia64_ttag, ia64_loadrs, ia64_flushrs
Signed-off-by: Xiantao Zhang <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
include/asm-ia64/gcc_intrin.h | 12 ++++++++
include/asm-ia64/processor.h | 63 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 75 insertions(+), 0 deletions(-)
diff --git a/include/asm-ia64/gcc_intrin.h b/include/asm-ia64/gcc_intrin.h
index de2ed2c..2fe292c 100644
--- a/include/asm-ia64/gcc_intrin.h
+++ b/include/asm-ia64/gcc_intrin.h
@@ -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
diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h
index 741f7ec..6aff126 100644
--- a/include/asm-ia64/processor.h
+++ b/include/asm-ia64/processor.h
@@ -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:
--
1.5.5
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