Changeset f9a56c0 in mainline for kernel/arch/sparc64/include/trap/interrupt.h

Timestamp:

2006-08-17T11:39:38Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

ee289cf0

Parents:

ec2c55a

Message:

sparc64 work.
interrupt_vector trap experimental handling.
Minimal reverse-engineered FireHose Controller driver (documentation needed!).
Keyboard on Sun Enterprise is now interrupt driven. Keyboard on Sun Ultra
is still polled.

File:

• kernel/arch/sparc64/include/trap/interrupt.h (modified) (2 diffs)

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

@@ -41 +41 @@
 #include <arch/stack.h>
 
+/* Interrupt ASI registers. */
+#define ASI_UDB_INTR_W                  0x77
+#define ASI_INTR_DISPATCH_STATUS        0x48
+#define ASI_UDB_INTR_R                  0x7f
+#define ASI_INTR_RECEIVE                0x49
+
+/* VA's used with ASI_UDB_INTR_W register. */
+#define ASI_UDB_INTR_W_DATA_0   0x40
+#define ASI_UDB_INTR_W_DATA_1   0x50
+#define ASI_UDB_INTR_W_DATA_2   0x60
+
+/* VA's used with ASI_UDB_INTR_R register. */
+#define ASI_UDB_INTR_R_DATA_0   0x40
+#define ASI_UDB_INTR_R_DATA_1   0x50
+#define ASI_UDB_INTR_R_DATA_2   0x60
+
 #define TT_INTERRUPT_LEVEL_1                    0x41
 #define TT_INTERRUPT_LEVEL_2                    0x42
@@ -71 +87 @@
 
 .macro INTERRUPT_VECTOR_TRAP_HANDLER
+        save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
+        SIMPLE_HANDLER interrupt
+        restore
         retry
 .endm
 #endif /* __ASM__ */
+
+#ifndef __ASM__
+extern void interrupt(void);
+#endif /* !def __ASM__ */
 
 #endif