nds32: add header files support for nds32
Add generic header files support for nds32 architecture.
Cache, ptregs, data type and other definitions are included.
Signed-off-by: Macpaul Lin <macpaul@andestech.com>
diff --git a/arch/nds32/include/asm/ptrace.h b/arch/nds32/include/asm/ptrace.h
new file mode 100644
index 0000000..4336083
--- /dev/null
+++ b/arch/nds32/include/asm/ptrace.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2011 Andes Technology Corporation
+ * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com)
+ * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_NDS_PTRACE_H
+#define __ASM_NDS_PTRACE_H
+
+#define USR_MODE 0x00
+#define SU_MODE 0x01
+#define HV_MODE 0x10
+#define MODE_MASK (0x03<<3)
+#define GIE_BIT 0x01
+
+#ifndef __ASSEMBLY__
+
+/* this struct defines the way the registers are stored on the
+ stack during a system call. */
+
+#define NDS32_REG long
+
+struct pt_regs {
+ NDS32_REG ir0;
+ NDS32_REG ipsw;
+ NDS32_REG ipc;
+ NDS32_REG sp;
+ NDS32_REG orig_r0;
+ NDS32_REG pipsw;
+ NDS32_REG pipc;
+ NDS32_REG pp0;
+ NDS32_REG pp1;
+ NDS32_REG d0hi;
+ NDS32_REG d0lo;
+ NDS32_REG d1hi;
+ NDS32_REG d1lo;
+ NDS32_REG r[26]; /* r0 - r25 */
+ NDS32_REG fp; /* r28 */
+ NDS32_REG gp; /* r29 */
+ NDS32_REG lp; /* r30 */
+ NDS32_REG fucop_ctl;
+ NDS32_REG osp;
+};
+
+#define processor_mode(regs) \
+ (((regs)->ipsw & MODE_MASK) >> 3)
+
+#define interrupts_enabled(regs) \
+ ((regs)->ipsw & GIE_BIT)
+
+/*
+ * Offsets used by 'ptrace' system call interface.
+ * These can't be changed without breaking binary compatibility
+ * with MkLinux, etc.
+ */
+#define PT_R0 0
+#define PT_R1 1
+#define PT_R2 2
+#define PT_R3 3
+#define PT_R4 4
+#define PT_R5 5
+#define PT_R6 6
+#define PT_R7 7
+#define PT_R8 8
+#define PT_R9 9
+#define PT_R10 10
+#define PT_R11 11
+#define PT_R12 12
+#define PT_R13 13
+#define PT_R14 14
+#define PT_R15 15
+#define PT_R16 16
+#define PT_R17 17
+#define PT_R18 18
+#define PT_R19 19
+#define PT_R20 20
+#define PT_R21 21
+#define PT_R22 22
+#define PT_R23 23
+#define PT_R24 24
+#define PT_R25 25
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ASM_NDS_PTRACE_H */