Changeset a7961271 in mainline for kernel/arch/sparc64/include/trap/regwin.h

Timestamp:

2006-08-26T18:42:11Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

c8ea4a8b

Parents:

f47fd19

Message:

sparc64 work.
Bunch of changes in preparation for sparc64 mm and userspace support.
Fix alignment of hardcoded_* variables in linker script.

File:

• kernel/arch/sparc64/include/trap/regwin.h (modified) (5 diffs)

kernel/arch/sparc64/include/trap/regwin.h

@@ -39 +39 @@
 
 #include <arch/stack.h>
+#include <arch/arch.h>
 
 #define TT_CLEAN_WINDOW                 0x24
@@ -50 +51 @@
 #define FILL_HANDLER_SIZE               REGWIN_HANDLER_SIZE
 
-/** Window Save Area offsets. */
+#define NWINDOW         8
+
+/* Window Save Area offsets. */
 #define L0_OFFSET       0
 #define L1_OFFSET       8
@@ -69 +72 @@
 
 #ifdef __ASM__
-.macro SPILL_NORMAL_HANDLER
+
+/*
+ * Macro used by the nucleus and the primary context 0 during normal and other spills.
+ */
+.macro SPILL_NORMAL_HANDLER_KERNEL
         stx %l0, [%sp + STACK_BIAS + L0_OFFSET] 
         stx %l1, [%sp + STACK_BIAS + L1_OFFSET]
@@ -90 +97 @@
 .endm
 
-.macro FILL_NORMAL_HANDLER
+/*
+ * Macro used by the userspace during normal spills.
+ */
+.macro SPILL_NORMAL_HANDLER_USERSPACE
+        wr ASI_AIUP, %asi
+        stxa %l0, [%sp + STACK_BIAS + L0_OFFSET] %asi
+        stxa %l1, [%sp + STACK_BIAS + L1_OFFSET] %asi
+        stxa %l2, [%sp + STACK_BIAS + L2_OFFSET] %asi
+        stxa %l3, [%sp + STACK_BIAS + L3_OFFSET] %asi
+        stxa %l4, [%sp + STACK_BIAS + L4_OFFSET] %asi
+        stxa %l5, [%sp + STACK_BIAS + L5_OFFSET] %asi
+        stxa %l6, [%sp + STACK_BIAS + L6_OFFSET] %asi
+        stxa %l7, [%sp + STACK_BIAS + L7_OFFSET] %asi
+        stxa %i0, [%sp + STACK_BIAS + I0_OFFSET] %asi
+        stxa %i1, [%sp + STACK_BIAS + I1_OFFSET] %asi
+        stxa %i2, [%sp + STACK_BIAS + I2_OFFSET] %asi
+        stxa %i3, [%sp + STACK_BIAS + I3_OFFSET] %asi
+        stxa %i4, [%sp + STACK_BIAS + I4_OFFSET] %asi
+        stxa %i5, [%sp + STACK_BIAS + I5_OFFSET] %asi
+        stxa %i6, [%sp + STACK_BIAS + I6_OFFSET] %asi
+        stxa %i7, [%sp + STACK_BIAS + I7_OFFSET] %asi
+        saved
+        retry
+.endm
+
+/*
+ * Macro used by the userspace during other spills.
+ */
+.macro SPILL_OTHER_HANDLER_USERSPACE
+        wr ASI_AIUS, %asi
+        stxa %l0, [%sp + STACK_BIAS + L0_OFFSET] %asi
+        stxa %l1, [%sp + STACK_BIAS + L1_OFFSET] %asi
+        stxa %l2, [%sp + STACK_BIAS + L2_OFFSET] %asi
+        stxa %l3, [%sp + STACK_BIAS + L3_OFFSET] %asi
+        stxa %l4, [%sp + STACK_BIAS + L4_OFFSET] %asi
+        stxa %l5, [%sp + STACK_BIAS + L5_OFFSET] %asi
+        stxa %l6, [%sp + STACK_BIAS + L6_OFFSET] %asi
+        stxa %l7, [%sp + STACK_BIAS + L7_OFFSET] %asi
+        stxa %i0, [%sp + STACK_BIAS + I0_OFFSET] %asi
+        stxa %i1, [%sp + STACK_BIAS + I1_OFFSET] %asi
+        stxa %i2, [%sp + STACK_BIAS + I2_OFFSET] %asi
+        stxa %i3, [%sp + STACK_BIAS + I3_OFFSET] %asi
+        stxa %i4, [%sp + STACK_BIAS + I4_OFFSET] %asi
+        stxa %i5, [%sp + STACK_BIAS + I5_OFFSET] %asi
+        stxa %i6, [%sp + STACK_BIAS + I6_OFFSET] %asi
+        stxa %i7, [%sp + STACK_BIAS + I7_OFFSET] %asi
+        saved
+        retry
+.endm
+
+
+/*
+ * Macro used by the nucleus and the primary context 0 during normal fills.
+ */
+.macro FILL_NORMAL_HANDLER_KERNEL
         ldx [%sp + STACK_BIAS + L0_OFFSET], %l0
         ldx [%sp + STACK_BIAS + L1_OFFSET], %l1
@@ -107 +168 @@
         ldx [%sp + STACK_BIAS + I6_OFFSET], %i6
         ldx [%sp + STACK_BIAS + I7_OFFSET], %i7
+        restored
+        retry
+.endm
+
+/*
+ * Macro used by the userspace during normal fills.
+ */
+.macro FILL_NORMAL_HANDLER_USERSPACE
+        wr ASI_AIUP, %asi
+        ldxa [%sp + STACK_BIAS + L0_OFFSET] %asi, %l0
+        ldxa [%sp + STACK_BIAS + L1_OFFSET] %asi, %l1
+        ldxa [%sp + STACK_BIAS + L2_OFFSET] %asi, %l2
+        ldxa [%sp + STACK_BIAS + L3_OFFSET] %asi, %l3
+        ldxa [%sp + STACK_BIAS + L4_OFFSET] %asi, %l4
+        ldxa [%sp + STACK_BIAS + L5_OFFSET] %asi, %l5
+        ldxa [%sp + STACK_BIAS + L6_OFFSET] %asi, %l6
+        ldxa [%sp + STACK_BIAS + L7_OFFSET] %asi, %l7
+        ldxa [%sp + STACK_BIAS + I0_OFFSET] %asi, %i0
+        ldxa [%sp + STACK_BIAS + I1_OFFSET] %asi, %i1
+        ldxa [%sp + STACK_BIAS + I2_OFFSET] %asi, %i2
+        ldxa [%sp + STACK_BIAS + I3_OFFSET] %asi, %i3
+        ldxa [%sp + STACK_BIAS + I4_OFFSET] %asi, %i4
+        ldxa [%sp + STACK_BIAS + I5_OFFSET] %asi, %i5
+        ldxa [%sp + STACK_BIAS + I6_OFFSET] %asi, %i6
+        ldxa [%sp + STACK_BIAS + I7_OFFSET] %asi, %i7
+        restored
+        retry
+.endm
+
+/*
+ * Macro used by the userspace during other fills.
+ */
+.macro FILL_OTHER_HANDLER_USERSPACE
+        wr ASI_AIUS, %asi
+        ldxa [%sp + STACK_BIAS + L0_OFFSET] %asi, %l0
+        ldxa [%sp + STACK_BIAS + L1_OFFSET] %asi, %l1
+        ldxa [%sp + STACK_BIAS + L2_OFFSET] %asi, %l2
+        ldxa [%sp + STACK_BIAS + L3_OFFSET] %asi, %l3
+        ldxa [%sp + STACK_BIAS + L4_OFFSET] %asi, %l4
+        ldxa [%sp + STACK_BIAS + L5_OFFSET] %asi, %l5
+        ldxa [%sp + STACK_BIAS + L6_OFFSET] %asi, %l6
+        ldxa [%sp + STACK_BIAS + L7_OFFSET] %asi, %l7
+        ldxa [%sp + STACK_BIAS + I0_OFFSET] %asi, %i0
+        ldxa [%sp + STACK_BIAS + I1_OFFSET] %asi, %i1
+        ldxa [%sp + STACK_BIAS + I2_OFFSET] %asi, %i2
+        ldxa [%sp + STACK_BIAS + I3_OFFSET] %asi, %i3
+        ldxa [%sp + STACK_BIAS + I4_OFFSET] %asi, %i4
+        ldxa [%sp + STACK_BIAS + I5_OFFSET] %asi, %i5
+        ldxa [%sp + STACK_BIAS + I6_OFFSET] %asi, %i6
+        ldxa [%sp + STACK_BIAS + I7_OFFSET] %asi, %i7
         restored
         retry