Changeset e9b9e12 in mainline

Timestamp:

2005-05-08T10:06:18Z (20 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

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

Children:

aa4e8d7

Parents:

808e1f0

Message:

Added fpu_context_t type.
IA-32's version of this type contains array of 512 bytes to be used by FXSAVE … instructions.

Files:

• arch/ia32/include/context.h (modified) (2 diffs)
• arch/ia64/include/context.h (modified) (1 diff)
• arch/mips/include/context.h (modified) (1 diff)
• include/typedefs.h (modified) (1 diff)

arch/ia32/include/context.h

@@ -32 +32 @@
 #include <arch/types.h>
 
+struct fpu_context {
+  __u8 fpu[512]; //FXSAVE & FXRSTOR storage area size
+};
+
+
 struct context {
         __u32 sp;
@@ -41 +46 @@
         __u32 edi;
         __u32 ebp;
-        __u32 pri;      
+        __u32 pri;
+        struct fpu_context *fpu;        
 } __attribute__ ((packed));
 

arch/ia64/include/context.h

@@ -32 +32 @@
 #include <arch/types.h>
 
+struct fpu_context {
+  //Don't understand IA-64 fpu environment
+};
+
+
 struct context {
         __u64 sp;

arch/mips/include/context.h

@@ -31 +31 @@
 
 #include <arch/types.h>
+
+struct fpu_context {
+  //Don't understand MIPS fpu environment
+};
+
+
 
 struct context {

include/typedefs.h

@@ -39 +39 @@
 typedef struct thread thread_t;
 typedef struct context context_t;
+typedef struct fpu_context fpu_context_t;
 
 typedef struct timeout timeout_t;