summaryrefslogtreecommitdiffstats
path: root/arch/nios2/include/asm/kgdb.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/nios2/include/asm/kgdb.h')
-rw-r--r--arch/nios2/include/asm/kgdb.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/nios2/include/asm/kgdb.h b/arch/nios2/include/asm/kgdb.h
new file mode 100644
index 000000000..1fe8a6b35
--- /dev/null
+++ b/arch/nios2/include/asm/kgdb.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2015 Altera Corporation
+ * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch>
+ *
+ * Based on the code posted by Kazuyasu on the Altera Forum at:
+ * http://www.alteraforum.com/forum/showpost.php?p=77003&postcount=20
+ */
+
+#ifndef _ASM_NIOS2_KGDB_H
+#define _ASM_NIOS2_KGDB_H
+
+#define CACHE_FLUSH_IS_SAFE 1
+#define BUFMAX 2048
+
+enum regnames {
+ GDB_R0 = 0,
+ GDB_AT,
+ GDB_R2,
+ GDB_R3,
+ GDB_R4,
+ GDB_R5,
+ GDB_R6,
+ GDB_R7,
+ GDB_R8,
+ GDB_R9,
+ GDB_R10,
+ GDB_R11,
+ GDB_R12,
+ GDB_R13,
+ GDB_R14,
+ GDB_R15,
+ GDB_R16,
+ GDB_R17,
+ GDB_R18,
+ GDB_R19,
+ GDB_R20,
+ GDB_R21,
+ GDB_R22,
+ GDB_R23,
+ GDB_ET,
+ GDB_BT,
+ GDB_GP,
+ GDB_SP,
+ GDB_FP,
+ GDB_EA,
+ GDB_BA,
+ GDB_RA,
+ GDB_PC,
+ GDB_STATUS,
+ GDB_ESTATUS,
+ GDB_BSTATUS,
+ GDB_IENABLE,
+ GDB_IPENDING,
+ GDB_CPUID,
+ GDB_CTL6,
+ GDB_EXCEPTION,
+ GDB_PTEADDR,
+ GDB_TLBACC,
+ GDB_TLBMISC,
+ GDB_ECCINJ,
+ GDB_BADADDR,
+ GDB_CONFIG,
+ GDB_MPUBASE,
+ GDB_MPUACC,
+ /* do not change the last entry or anything below! */
+ GDB_NUMREGBYTES /* number of registers */
+};
+
+#define GDB_SIZEOF_REG sizeof(u32)
+#define DBG_MAX_REG_NUM (49)
+#define NUMREGBYTES (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
+
+#define BREAK_INSTR_SIZE 4
+static inline void arch_kgdb_breakpoint(void)
+{
+ __asm__ __volatile__("trap 30\n");
+}
+
+#endif /* _ASM_NIOS2_KGDB_H */