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Diffstat (limited to 'include/asm-xtensa/xtensa/corebits.h')
-rw-r--r--include/asm-xtensa/xtensa/corebits.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/include/asm-xtensa/xtensa/corebits.h b/include/asm-xtensa/xtensa/corebits.h
new file mode 100644
index 00000000000..e578ade4163
--- /dev/null
+++ b/include/asm-xtensa/xtensa/corebits.h
@@ -0,0 +1,77 @@
+#ifndef XTENSA_COREBITS_H
+#define XTENSA_COREBITS_H
+
+/*
+ * THIS FILE IS GENERATED -- DO NOT MODIFY BY HAND
+ *
+ * xtensa/corebits.h - Xtensa Special Register field positions and masks.
+ *
+ * (In previous releases, these were defined in specreg.h, a generated file.
+ * This file is not generated, i.e. it is processor configuration independent.)
+ */
+
+
+/* EXCCAUSE register fields: */
+#define EXCCAUSE_EXCCAUSE_SHIFT 0
+#define EXCCAUSE_EXCCAUSE_MASK 0x3F
+/* Exception causes (mostly incomplete!): */
+#define EXCCAUSE_ILLEGAL 0
+#define EXCCAUSE_SYSCALL 1
+#define EXCCAUSE_IFETCHERROR 2
+#define EXCCAUSE_LOADSTOREERROR 3
+#define EXCCAUSE_LEVEL1INTERRUPT 4
+#define EXCCAUSE_ALLOCA 5
+
+/* PS register fields: */
+#define PS_WOE_SHIFT 18
+#define PS_WOE_MASK 0x00040000
+#define PS_WOE PS_WOE_MASK
+#define PS_CALLINC_SHIFT 16
+#define PS_CALLINC_MASK 0x00030000
+#define PS_CALLINC(n) (((n)&3)<<PS_CALLINC_SHIFT) /* n = 0..3 */
+#define PS_OWB_SHIFT 8
+#define PS_OWB_MASK 0x00000F00
+#define PS_OWB(n) (((n)&15)<<PS_OWB_SHIFT) /* n = 0..15 (or 0..7) */
+#define PS_RING_SHIFT 6
+#define PS_RING_MASK 0x000000C0
+#define PS_RING(n) (((n)&3)<<PS_RING_SHIFT) /* n = 0..3 */
+#define PS_UM_SHIFT 5
+#define PS_UM_MASK 0x00000020
+#define PS_UM PS_UM_MASK
+#define PS_EXCM_SHIFT 4
+#define PS_EXCM_MASK 0x00000010
+#define PS_EXCM PS_EXCM_MASK
+#define PS_INTLEVEL_SHIFT 0
+#define PS_INTLEVEL_MASK 0x0000000F
+#define PS_INTLEVEL(n) ((n)&PS_INTLEVEL_MASK) /* n = 0..15 */
+/* Backward compatibility (deprecated): */
+#define PS_PROGSTACK_SHIFT PS_UM_SHIFT
+#define PS_PROGSTACK_MASK PS_UM_MASK
+#define PS_PROG_SHIFT PS_UM_SHIFT
+#define PS_PROG_MASK PS_UM_MASK
+#define PS_PROG PS_UM
+
+/* DBREAKCn register fields: */
+#define DBREAKC_MASK_SHIFT 0
+#define DBREAKC_MASK_MASK 0x0000003F
+#define DBREAKC_LOADBREAK_SHIFT 30
+#define DBREAKC_LOADBREAK_MASK 0x40000000
+#define DBREAKC_STOREBREAK_SHIFT 31
+#define DBREAKC_STOREBREAK_MASK 0x80000000
+
+/* DEBUGCAUSE register fields: */
+#define DEBUGCAUSE_DEBUGINT_SHIFT 5
+#define DEBUGCAUSE_DEBUGINT_MASK 0x20 /* debug interrupt */
+#define DEBUGCAUSE_BREAKN_SHIFT 4
+#define DEBUGCAUSE_BREAKN_MASK 0x10 /* BREAK.N instruction */
+#define DEBUGCAUSE_BREAK_SHIFT 3
+#define DEBUGCAUSE_BREAK_MASK 0x08 /* BREAK instruction */
+#define DEBUGCAUSE_DBREAK_SHIFT 2
+#define DEBUGCAUSE_DBREAK_MASK 0x04 /* DBREAK match */
+#define DEBUGCAUSE_IBREAK_SHIFT 1
+#define DEBUGCAUSE_IBREAK_MASK 0x02 /* IBREAK match */
+#define DEBUGCAUSE_ICOUNT_SHIFT 0
+#define DEBUGCAUSE_ICOUNT_MASK 0x01 /* ICOUNT would increment to zero */
+
+#endif /*XTENSA_COREBITS_H*/
+