2 files changed, 36 insertions, 6 deletions

diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 0ca49710d95e..166df5bab769 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -863,6 +863,7 @@ __execve:
 _switch_to:
         STREG    %r2, -RP_OFFSET(%r30)
 
+        callee_save_float
         callee_save
 
         load32  _switch_to_ret, %r2
@@ -879,6 +880,7 @@ _switch_to:
 _switch_to_ret:
         mtctl   %r0, %cr0               /* Needed for single stepping */
         callee_rest
+        callee_rest_float
 
         LDREG   -RP_OFFSET(%r30), %r2
         bv      %r0(%r2)
diff --git a/include/asm-parisc/assembly.h b/include/asm-parisc/assembly.h
index b24a99e3ef9c..fb8bc7c16e0e 100644
--- a/include/asm-parisc/assembly.h
+++ b/include/asm-parisc/assembly.h
@@ -21,6 +21,7 @@
 #ifndef _PARISC_ASSEMBLY_H
 #define _PARISC_ASSEMBLY_H
 
+#define CALLEE_FLOAT_FRAME_SIZE 80
 #ifdef __LP64__
 #define LDREG   ldd
 #define STREG   std
@@ -30,7 +31,7 @@
 #define SHRREG  shrd
 #define RP_OFFSET       16
 #define FRAME_SIZE      128
-#define CALLEE_SAVE_FRAME_SIZE  144
+#define CALLEE_REG_FRAME_SIZE   144
 #else
 #define LDREG   ldw
 #define STREG   stw
@@ -40,8 +41,9 @@
 #define SHRREG  shr
 #define RP_OFFSET       20
 #define FRAME_SIZE      64
-#define CALLEE_SAVE_FRAME_SIZE  128
+#define CALLEE_REG_FRAME_SIZE   128
 #endif
+#define CALLEE_SAVE_FRAME_SIZE (CALLEE_REG_FRAME_SIZE + CALLEE_FLOAT_FRAME_SIZE)
 
 #ifdef CONFIG_PA20
 #define BL              b,l
@@ -300,9 +302,35 @@
         fldd,mb -8(\regs),       %fr0
         .endm
 
+        .macro  callee_save_float
+        fstd,ma  %fr12, 8(%r30)
+        fstd,ma  %fr13, 8(%r30)
+        fstd,ma  %fr14, 8(%r30)
+        fstd,ma  %fr15, 8(%r30)
+        fstd,ma  %fr16, 8(%r30)
+        fstd,ma  %fr17, 8(%r30)
+        fstd,ma  %fr18, 8(%r30)
+        fstd,ma  %fr19, 8(%r30)
+        fstd,ma  %fr20, 8(%r30)
+        fstd,ma  %fr21, 8(%r30)
+        .endm
+
+        .macro  callee_rest_float
+        fldd,mb -8(%r30),   %fr21
+        fldd,mb -8(%r30),   %fr20
+        fldd,mb -8(%r30),   %fr19
+        fldd,mb -8(%r30),   %fr18
+        fldd,mb -8(%r30),   %fr17
+        fldd,mb -8(%r30),   %fr16
+        fldd,mb -8(%r30),   %fr15
+        fldd,mb -8(%r30),   %fr14
+        fldd,mb -8(%r30),   %fr13
+        fldd,mb -8(%r30),   %fr12
+        .endm
+
 #ifdef __LP64__
         .macro  callee_save
-        std,ma    %r3,  CALLEE_SAVE_FRAME_SIZE(%r30)
+        std,ma    %r3,   CALLEE_REG_FRAME_SIZE(%r30)
         mfctl     %cr27, %r3
         std       %r4,  -136(%r30)
         std       %r5,  -128(%r30)
@@ -340,13 +368,13 @@
         ldd     -128(%r30),    %r5
         ldd     -136(%r30),    %r4
         mtctl   %r3, %cr27
-        ldd,mb  -CALLEE_SAVE_FRAME_SIZE(%r30),    %r3
+        ldd,mb  -CALLEE_REG_FRAME_SIZE(%r30),    %r3
         .endm
 
 #else /* ! __LP64__ */
 
         .macro  callee_save
-        stw,ma   %r3,   CALLEE_SAVE_FRAME_SIZE(%r30)
+        stw,ma   %r3,   CALLEE_REG_FRAME_SIZE(%r30)
         mfctl    %cr27, %r3
         stw      %r4,   -124(%r30)
         stw      %r5,   -120(%r30)
@@ -384,7 +412,7 @@
         ldw     -120(%r30),   %r5
         ldw     -124(%r30),   %r4
         mtctl   %r3, %cr27
-        ldw,mb  -CALLEE_SAVE_FRAME_SIZE(%r30),   %r3
+        ldw,mb  -CALLEE_REG_FRAME_SIZE(%r30),   %r3
         .endm
 #endif /* ! __LP64__ */