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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/blackfin/include/asm/kgdb.h
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/blackfin/include/asm/kgdb.h')
-rw-r--r--arch/blackfin/include/asm/kgdb.h168
1 files changed, 168 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/kgdb.h b/arch/blackfin/include/asm/kgdb.h
new file mode 100644
index 00000000000..aaf884591b0
--- /dev/null
+++ b/arch/blackfin/include/asm/kgdb.h
@@ -0,0 +1,168 @@
+/* Blackfin KGDB header
+ *
+ * Copyright 2005-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ASM_BLACKFIN_KGDB_H__
+#define __ASM_BLACKFIN_KGDB_H__
+
+#include <linux/ptrace.h>
+
+/*
+ * BUFMAX defines the maximum number of characters in inbound/outbound buffers.
+ * At least NUMREGBYTES*2 are needed for register packets.
+ * Longer buffer is needed to list all threads.
+ */
+#define BUFMAX 2048
+
+/*
+ * Note that this register image is different from
+ * the register image that Linux produces at interrupt time.
+ *
+ * Linux's register image is defined by struct pt_regs in ptrace.h.
+ */
+enum regnames {
+ /* Core Registers */
+ BFIN_R0 = 0,
+ BFIN_R1,
+ BFIN_R2,
+ BFIN_R3,
+ BFIN_R4,
+ BFIN_R5,
+ BFIN_R6,
+ BFIN_R7,
+ BFIN_P0,
+ BFIN_P1,
+ BFIN_P2,
+ BFIN_P3,
+ BFIN_P4,
+ BFIN_P5,
+ BFIN_SP,
+ BFIN_FP,
+ BFIN_I0,
+ BFIN_I1,
+ BFIN_I2,
+ BFIN_I3,
+ BFIN_M0,
+ BFIN_M1,
+ BFIN_M2,
+ BFIN_M3,
+ BFIN_B0,
+ BFIN_B1,
+ BFIN_B2,
+ BFIN_B3,
+ BFIN_L0,
+ BFIN_L1,
+ BFIN_L2,
+ BFIN_L3,
+ BFIN_A0_DOT_X,
+ BFIN_A0_DOT_W,
+ BFIN_A1_DOT_X,
+ BFIN_A1_DOT_W,
+ BFIN_ASTAT,
+ BFIN_RETS,
+ BFIN_LC0,
+ BFIN_LT0,
+ BFIN_LB0,
+ BFIN_LC1,
+ BFIN_LT1,
+ BFIN_LB1,
+ BFIN_CYCLES,
+ BFIN_CYCLES2,
+ BFIN_USP,
+ BFIN_SEQSTAT,
+ BFIN_SYSCFG,
+ BFIN_RETI,
+ BFIN_RETX,
+ BFIN_RETN,
+ BFIN_RETE,
+
+ /* Pseudo Registers */
+ BFIN_PC,
+ BFIN_CC,
+ BFIN_EXTRA1, /* Address of .text section. */
+ BFIN_EXTRA2, /* Address of .data section. */
+ BFIN_EXTRA3, /* Address of .bss section. */
+ BFIN_FDPIC_EXEC,
+ BFIN_FDPIC_INTERP,
+
+ /* MMRs */
+ BFIN_IPEND,
+
+ /* LAST ENTRY SHOULD NOT BE CHANGED. */
+ BFIN_NUM_REGS /* The number of all registers. */
+};
+
+/* Number of bytes of registers. */
+#define NUMREGBYTES BFIN_NUM_REGS*4
+
+static inline void arch_kgdb_breakpoint(void)
+{
+ asm("EXCPT 2;");
+}
+#define BREAK_INSTR_SIZE 2
+#ifdef CONFIG_SMP
+# define CACHE_FLUSH_IS_SAFE 0
+#else
+# define CACHE_FLUSH_IS_SAFE 1
+#endif
+#define GDB_ADJUSTS_BREAK_OFFSET
+#define HW_INST_WATCHPOINT_NUM 6
+#define HW_WATCHPOINT_NUM 8
+#define TYPE_INST_WATCHPOINT 0
+#define TYPE_DATA_WATCHPOINT 1
+
+/* Instruction watchpoint address control register bits mask */
+#define WPPWR 0x1
+#define WPIREN01 0x2
+#define WPIRINV01 0x4
+#define WPIAEN0 0x8
+#define WPIAEN1 0x10
+#define WPICNTEN0 0x20
+#define WPICNTEN1 0x40
+#define EMUSW0 0x80
+#define EMUSW1 0x100
+#define WPIREN23 0x200
+#define WPIRINV23 0x400
+#define WPIAEN2 0x800
+#define WPIAEN3 0x1000
+#define WPICNTEN2 0x2000
+#define WPICNTEN3 0x4000
+#define EMUSW2 0x8000
+#define EMUSW3 0x10000
+#define WPIREN45 0x20000
+#define WPIRINV45 0x40000
+#define WPIAEN4 0x80000
+#define WPIAEN5 0x100000
+#define WPICNTEN4 0x200000
+#define WPICNTEN5 0x400000
+#define EMUSW4 0x800000
+#define EMUSW5 0x1000000
+#define WPAND 0x2000000
+
+/* Data watchpoint address control register bits mask */
+#define WPDREN01 0x1
+#define WPDRINV01 0x2
+#define WPDAEN0 0x4
+#define WPDAEN1 0x8
+#define WPDCNTEN0 0x10
+#define WPDCNTEN1 0x20
+
+#define WPDSRC0 0xc0
+#define WPDACC0_OFFSET 8
+#define WPDSRC1 0xc00
+#define WPDACC1_OFFSET 12
+
+/* Watchpoint status register bits mask */
+#define STATIA0 0x1
+#define STATIA1 0x2
+#define STATIA2 0x4
+#define STATIA3 0x8
+#define STATIA4 0x10
+#define STATIA5 0x20
+#define STATDA0 0x40
+#define STATDA1 0x80
+
+#endif