Changeset 59e4864 in mainline for kernel/arch/ia64/include/cpu.h

Timestamp:

2008-11-11T08:00:42Z (16 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

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

Children:

f3c4a26

Parents:

a2a5529

Message:

Alfa of SMP support on IA64

File:

• kernel/arch/ia64/include/cpu.h (modified) (2 diffs)

kernel/arch/ia64/include/cpu.h

@@ -39 +39 @@
 #include <arch/register.h>
 #include <arch/asm.h>
+#include <arch/bootinfo.h>
 
 #define FAMILY_ITANIUM  0x7
@@ -64 +65 @@
 }
 
+
+#define CR64_ID_SHIFT 24
+#define CR64_ID_MASK 0xff000000
+#define CR64_EID_SHIFT 16
+#define CR64_EID_MASK 0xff0000
+
+static inline int ia64_get_cpu_id(void)
+{
+        uint64_t cr64=cr64_read();
+        return ((CR64_ID_MASK)&cr64)>>CR64_ID_SHIFT;
+}
+
+static inline int ia64_get_cpu_eid(void)
+{
+        uint64_t cr64=cr64_read();
+        return ((CR64_EID_MASK)&cr64)>>CR64_EID_SHIFT;
+}
+
+
+
+static inline void ipi_send_ipi(int id,int eid,int intno)
+{
+        (bootinfo->sapic)[2*(id*256+eid)]=intno;
+}
+
+
+
 #endif