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Diffstat (limited to 'StdLib/Include/Ipf/machine/db_machdep.h')
| -rw-r--r-- | StdLib/Include/Ipf/machine/db_machdep.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/StdLib/Include/Ipf/machine/db_machdep.h b/StdLib/Include/Ipf/machine/db_machdep.h new file mode 100644 index 0000000000..94739fd337 --- /dev/null +++ b/StdLib/Include/Ipf/machine/db_machdep.h @@ -0,0 +1,202 @@ +/* $NetBSD: db_machdep.h,v 1.2 2006/08/30 11:12:04 cherry Exp $ */
+
+/*
+ * Copyright (c) 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ *
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
+ * School of Computer Science
+ * Carnegie Mellon University
+ * Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#ifndef _IA64_DB_MACHDEP_H_
+#define _IA64_DB_MACHDEP_H_
+
+/*
+ * Machine-dependent defines for new kernel debugger.
+ */
+
+#include <sys/lock.h>
+#include <sys/param.h>
+#include <uvm/uvm_extern.h>
+#include <machine/frame.h>
+#include <machine/ia64_cpu.h>
+
+typedef vaddr_t db_addr_t; /* address - unsigned */
+typedef long db_expr_t; /* expression - signed */
+
+typedef struct trapframe db_regs_t;
+extern db_regs_t *ddb_regp; /* pointer to current register state */
+#define DDB_REGS (ddb_regp)
+
+#if 0 /* XXX: disabling this until we switch on makectx()and have a proper \
+ curlwp(). TODO: please switch this back on ASAP */
+
+#define PC_REGS(regs) ((db_addr_t)(regs)->tf_special.__spare == 0) ? \
+ ((db_addr_t)(regs)->tf_special.rp) : \
+ ((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))
+#endif
+
+#if 1
+#define PC_REGS(regs) ((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))
+#endif
+
+#define db_set_single_step(regs) ((regs)->tf_special.psr |= IA64_PSR_SS)
+#define db_clear_single_step(regs) ((regs)->tf_special.psr &= ~IA64_PSR_SS)
+
+
+
+/* defines to help with manipulating ia64 VLIW instruction bundles and slots */
+
+#define TMPL_BITS 5
+#define TMPL_MASK ((1 << TMPL_BITS) - 1)
+#define SLOT_BITS 41
+#define SLOT_COUNT 3
+#define SLOT_MASK ((1ULL << SLOT_BITS) - 1ULL)
+#define SLOT_SHIFT(i) (TMPL_BITS+((i)<<3)+(i))
+
+#define ADDR_SLOT0(addr) ( (addr) & ~(0xFUL) )
+#define SLOT_ADDR(addr) ( (addr) & (0xFUL) )
+/* breakpoint address.
+ * Check for violations of pseudo offsets above 2.
+ * Adjust for 32 bit shift within Bundle.
+ */
+
+#define BKPT_ADDR(addr) ( (SLOT_ADDR(addr) < SLOT_COUNT) ? \
+ (ADDR_SLOT0(addr) | (SLOT_ADDR(addr) << 2)) \
+ : ADDR_SLOT0(addr) )
+
+#define BKPT_SIZE 8
+
+#define BKPT_SET(inst, addr) db_bkpt_set(inst, addr)
+db_expr_t db_bkpt_set(db_expr_t inst, db_addr_t addr);
+
+
+#define PC_ADVANCE(regs) db_pc_advance(regs)
+void db_pc_advance(db_regs_t *);
+
+#define IS_BREAKPOINT_TRAP(type, code) (type == IA64_VEC_BREAK)
+#define IS_WATCHPOINT_TRAP(type, code) 0
+
+
+#define inst_trap_return(ins) (ins & 0)
+#define inst_return(ins) (ins & 0)
+#define inst_call(ins) (ins & 0)
+#define inst_branch(ins) (ins & 0)
+#define inst_load(ins) (ins & 0)
+#define inst_store(ins) (ins & 0)
+#define inst_unconditional_flow_transfer(ins) (ins & 0)
+
+#define branch_taken(ins, pc, regs) pc
+
+u_long db_register_value(db_regs_t *, int);
+int ddb_trap(unsigned long, unsigned long, unsigned long,
+ unsigned long, struct trapframe *);
+
+int ia64_trap(int, int, db_regs_t *); /* See: trap.c */
+
+/*
+ * We define some of our own commands.
+ */
+#define DB_MACHINE_COMMANDS
+
+/*
+ * We use Elf64 symbols in DDB.
+ */
+#define DB_ELF_SYMBOLS
+#define DB_ELFSIZE 64
+
+/*
+ * Stuff for KGDB.
+ */
+typedef long kgdb_reg_t;
+#define KGDB_NUMREGS 66 /* from tm-alpha.h, NUM_REGS */
+#define KGDB_REG_V0 0
+#define KGDB_REG_T0 1
+#define KGDB_REG_T1 2
+#define KGDB_REG_T2 3
+#define KGDB_REG_T3 4
+#define KGDB_REG_T4 5
+#define KGDB_REG_T5 6
+#define KGDB_REG_T6 7
+#define KGDB_REG_T7 8
+#define KGDB_REG_S0 9
+#define KGDB_REG_S1 10
+#define KGDB_REG_S2 11
+#define KGDB_REG_S3 12
+#define KGDB_REG_S4 13
+#define KGDB_REG_S5 14
+#define KGDB_REG_S6 15 /* FP */
+#define KGDB_REG_A0 16
+#define KGDB_REG_A1 17
+#define KGDB_REG_A2 18
+#define KGDB_REG_A3 19
+#define KGDB_REG_A4 20
+#define KGDB_REG_A5 21
+#define KGDB_REG_T8 22
+#define KGDB_REG_T9 23
+#define KGDB_REG_T10 24
+#define KGDB_REG_T11 25
+#define KGDB_REG_RA 26
+#define KGDB_REG_T12 27
+#define KGDB_REG_AT 28
+#define KGDB_REG_GP 29
+#define KGDB_REG_SP 30
+#define KGDB_REG_ZERO 31
+#define KGDB_REG_F0 32
+#define KGDB_REG_F1 33
+#define KGDB_REG_F2 34
+#define KGDB_REG_F3 35
+#define KGDB_REG_F4 36
+#define KGDB_REG_F5 37
+#define KGDB_REG_F6 38
+#define KGDB_REG_F7 39
+#define KGDB_REG_F8 40
+#define KGDB_REG_F9 41
+#define KGDB_REG_F10 42
+#define KGDB_REG_F11 43
+#define KGDB_REG_F12 44
+#define KGDB_REG_F13 45
+#define KGDB_REG_F14 46
+#define KGDB_REG_F15 47
+#define KGDB_REG_F16 48
+#define KGDB_REG_F17 49
+#define KGDB_REG_F18 50
+#define KGDB_REG_F19 51
+#define KGDB_REG_F20 52
+#define KGDB_REG_F21 53
+#define KGDB_REG_F22 54
+#define KGDB_REG_F23 55
+#define KGDB_REG_F24 56
+#define KGDB_REG_F25 57
+#define KGDB_REG_F26 58
+#define KGDB_REG_F27 59
+#define KGDB_REG_F28 60
+#define KGDB_REG_F29 61
+#define KGDB_REG_F30 62
+#define KGDB_REG_F31 63
+#define KGDB_REG_PC 64
+#define KGDB_REG_VFP 65
+
+/* Too much? Must be large enough for register transfer. */
+#define KGDB_BUFLEN 1024
+
+#endif /* _IA64_DB_MACHDEP_H_ */
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