1999-04-16 03:35:26 +02:00
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/* Target-dependent code for Hitachi H8/500, for GDB.
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2001-03-01 02:39:22 +01:00
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Copyright 1993, 1994, 1995, 2001 Free Software Foundation, Inc.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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This file is part of GDB.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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1999-04-16 03:35:26 +02:00
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/*
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1999-07-07 22:19:36 +02:00
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Contributed by Steve Chamberlain
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sac@cygnus.com
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1999-04-16 03:35:26 +02:00
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*/
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#include "defs.h"
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#include "frame.h"
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#include "obstack.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "gdbcmd.h"
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#include "value.h"
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#include "dis-asm.h"
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#include "gdbcore.h"
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2001-03-01 02:39:22 +01:00
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#include "regcache.h"
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1999-04-16 03:35:26 +02:00
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#define UNSIGNED_SHORT(X) ((X) & 0xffff)
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static int code_size = 2;
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static int data_size = 2;
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/* Shape of an H8/500 frame :
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arg-n
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..
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arg-2
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arg-1
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return address <2 or 4 bytes>
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1999-07-07 22:19:36 +02:00
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old fp <2 bytes>
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1999-04-16 03:35:26 +02:00
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auto-n
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..
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auto-1
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saved registers
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1999-07-07 22:19:36 +02:00
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*/
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1999-04-16 03:35:26 +02:00
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/* an easy to debug H8 stack frame looks like:
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1999-07-07 22:19:36 +02:00
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0x6df6 push r6
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0x0d76 mov.w r7,r6
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0x6dfn push reg
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0x7905 nnnn mov.w #n,r5 or 0x1b87 subs #2,sp
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0x1957 sub.w r5,sp
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1999-04-16 03:35:26 +02:00
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*/
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#define IS_PUSH(x) (((x) & 0xff00)==0x6d00)
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#define IS_LINK_8(x) ((x) == 0x17)
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#define IS_LINK_16(x) ((x) == 0x1f)
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#define IS_MOVE_FP(x) ((x) == 0x0d76)
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#define IS_MOV_SP_FP(x) ((x) == 0x0d76)
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#define IS_SUB2_SP(x) ((x) == 0x1b87)
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#define IS_MOVK_R5(x) ((x) == 0x7905)
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#define IS_SUB_R5SP(x) ((x) == 0x1957)
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#define LINK_8 0x17
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#define LINK_16 0x1f
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int minimum_mode = 1;
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CORE_ADDR
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2000-07-30 03:48:28 +02:00
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h8500_skip_prologue (CORE_ADDR start_pc)
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1999-04-16 03:35:26 +02:00
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{
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short int w;
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w = read_memory_integer (start_pc, 1);
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if (w == LINK_8)
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{
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start_pc += 2;
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w = read_memory_integer (start_pc, 1);
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}
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if (w == LINK_16)
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{
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start_pc += 3;
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w = read_memory_integer (start_pc, 2);
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}
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return start_pc;
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}
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CORE_ADDR
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2000-07-30 03:48:28 +02:00
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h8500_addr_bits_remove (CORE_ADDR addr)
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1999-04-16 03:35:26 +02:00
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{
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return ((addr) & 0xffffff);
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}
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/* Given a GDB frame, determine the address of the calling function's frame.
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This will be used to create a new GDB frame struct, and then
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INIT_EXTRA_FRAME_INFO and INIT_FRAME_PC will be called for the new frame.
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For us, the frame address is its stack pointer value, so we look up
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the function prologue to determine the caller's sp value, and return it. */
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CORE_ADDR
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2000-07-30 03:48:28 +02:00
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h8500_frame_chain (struct frame_info *thisframe)
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1999-04-16 03:35:26 +02:00
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{
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if (!inside_entry_file (thisframe->pc))
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return (read_memory_integer (FRAME_FP (thisframe), PTR_SIZE));
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else
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return 0;
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}
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/* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
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is not the address of a valid instruction, the address of the next
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instruction beyond ADDR otherwise. *PWORD1 receives the first word
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1999-07-07 22:19:36 +02:00
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of the instruction. */
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1999-04-16 03:35:26 +02:00
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CORE_ADDR
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2000-07-30 03:48:28 +02:00
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NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, char *pword1)
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1999-04-16 03:35:26 +02:00
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{
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if (addr < lim + 8)
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{
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read_memory (addr, pword1, 1);
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read_memory (addr, pword1 + 1, 1);
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return 1;
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}
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return 0;
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}
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/* Examine the prologue of a function. `ip' points to the first
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instruction. `limit' is the limit of the prologue (e.g. the addr
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of the first linenumber, or perhaps the program counter if we're
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stepping through). `frame_sp' is the stack pointer value in use in
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this frame. `fsr' is a pointer to a frame_saved_regs structure
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into which we put info about the registers saved by this frame.
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`fi' is a struct frame_info pointer; we fill in various fields in
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it to reflect the offsets of the arg pointer and the locals
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pointer. */
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/* Return the saved PC from this frame. */
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CORE_ADDR
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2000-07-30 03:48:28 +02:00
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frame_saved_pc (struct frame_info *frame)
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1999-04-16 03:35:26 +02:00
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{
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return read_memory_integer (FRAME_FP (frame) + 2, PTR_SIZE);
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}
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1999-07-07 22:19:36 +02:00
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void
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2000-07-30 03:48:28 +02:00
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h8500_pop_frame (void)
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1999-04-16 03:35:26 +02:00
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{
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unsigned regnum;
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struct frame_saved_regs fsr;
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struct frame_info *frame = get_current_frame ();
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get_frame_saved_regs (frame, &fsr);
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for (regnum = 0; regnum < 8; regnum++)
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{
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if (fsr.regs[regnum])
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write_register (regnum, read_memory_short (fsr.regs[regnum]));
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flush_cached_frames ();
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}
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}
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void
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2000-07-30 03:48:28 +02:00
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print_register_hook (int regno)
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1999-04-16 03:35:26 +02:00
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{
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if (regno == CCR_REGNUM)
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{
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/* CCR register */
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int C, Z, N, V;
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unsigned char b[2];
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unsigned char l;
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read_relative_register_raw_bytes (regno, b);
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l = b[1];
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printf_unfiltered ("\t");
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printf_unfiltered ("I-%d - ", (l & 0x80) != 0);
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N = (l & 0x8) != 0;
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Z = (l & 0x4) != 0;
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V = (l & 0x2) != 0;
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C = (l & 0x1) != 0;
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printf_unfiltered ("N-%d ", N);
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printf_unfiltered ("Z-%d ", Z);
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printf_unfiltered ("V-%d ", V);
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printf_unfiltered ("C-%d ", C);
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if ((C | Z) == 0)
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printf_unfiltered ("u> ");
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if ((C | Z) == 1)
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printf_unfiltered ("u<= ");
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if ((C == 0))
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printf_unfiltered ("u>= ");
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if (C == 1)
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printf_unfiltered ("u< ");
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if (Z == 0)
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printf_unfiltered ("!= ");
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if (Z == 1)
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printf_unfiltered ("== ");
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if ((N ^ V) == 0)
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printf_unfiltered (">= ");
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if ((N ^ V) == 1)
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printf_unfiltered ("< ");
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if ((Z | (N ^ V)) == 0)
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printf_unfiltered ("> ");
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if ((Z | (N ^ V)) == 1)
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printf_unfiltered ("<= ");
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}
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}
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int
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2000-07-30 03:48:28 +02:00
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h8500_register_size (int regno)
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1999-04-16 03:35:26 +02:00
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{
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switch (regno)
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{
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case SEG_C_REGNUM:
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case SEG_D_REGNUM:
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case SEG_E_REGNUM:
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case SEG_T_REGNUM:
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return 1;
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case R0_REGNUM:
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case R1_REGNUM:
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case R2_REGNUM:
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case R3_REGNUM:
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case R4_REGNUM:
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case R5_REGNUM:
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case R6_REGNUM:
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case R7_REGNUM:
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case CCR_REGNUM:
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return 2;
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case PR0_REGNUM:
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case PR1_REGNUM:
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case PR2_REGNUM:
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case PR3_REGNUM:
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case PR4_REGNUM:
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case PR5_REGNUM:
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case PR6_REGNUM:
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case PR7_REGNUM:
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case PC_REGNUM:
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return 4;
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default:
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2001-02-25 05:45:12 +01:00
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internal_error (__FILE__, __LINE__, "failed internal consistency check");
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1999-04-16 03:35:26 +02:00
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}
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}
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struct type *
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2000-07-30 03:48:28 +02:00
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h8500_register_virtual_type (int regno)
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1999-04-16 03:35:26 +02:00
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{
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switch (regno)
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{
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case SEG_C_REGNUM:
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case SEG_E_REGNUM:
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case SEG_D_REGNUM:
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case SEG_T_REGNUM:
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return builtin_type_unsigned_char;
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case R0_REGNUM:
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case R1_REGNUM:
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case R2_REGNUM:
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case R3_REGNUM:
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case R4_REGNUM:
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case R5_REGNUM:
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case R6_REGNUM:
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case R7_REGNUM:
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case CCR_REGNUM:
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return builtin_type_unsigned_short;
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case PR0_REGNUM:
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case PR1_REGNUM:
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case PR2_REGNUM:
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case PR3_REGNUM:
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case PR4_REGNUM:
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case PR5_REGNUM:
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case PR6_REGNUM:
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case PR7_REGNUM:
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case PC_REGNUM:
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return builtin_type_unsigned_long;
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default:
|
2001-02-25 05:45:12 +01:00
|
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internal_error (__FILE__, __LINE__, "failed internal consistency check");
|
1999-04-16 03:35:26 +02:00
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}
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}
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/* Put here the code to store, into a struct frame_saved_regs,
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|
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the addresses of the saved registers of frame described by FRAME_INFO.
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This includes special registers such as pc and fp saved in special
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ways in the stack frame. sp is even more special:
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the address we return for it IS the sp for the next frame. */
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void
|
2000-07-30 03:48:28 +02:00
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frame_find_saved_regs (struct frame_info *frame_info,
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struct frame_saved_regs *frame_saved_regs)
|
1999-04-16 03:35:26 +02:00
|
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{
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register int regnum;
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register int regmask;
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register CORE_ADDR next_addr;
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register CORE_ADDR pc;
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unsigned char thebyte;
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memset (frame_saved_regs, '\0', sizeof *frame_saved_regs);
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if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4
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&& (frame_info)->pc <= (frame_info)->frame)
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{
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next_addr = (frame_info)->frame;
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pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4;
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}
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else
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{
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pc = get_pc_function_start ((frame_info)->pc);
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|
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/* Verify we have a link a6 instruction next;
|
1999-07-07 22:19:36 +02:00
|
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if not we lose. If we win, find the address above the saved
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regs using the amount of storage from the link instruction.
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*/
|
1999-04-16 03:35:26 +02:00
|
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thebyte = read_memory_integer (pc, 1);
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if (0x1f == thebyte)
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next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 2), pc += 2;
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else if (0x17 == thebyte)
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next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 1), pc += 1;
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else
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|
goto lose;
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|
#if 0
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|
|
/* FIXME steve */
|
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|
|
/* If have an add:g.waddal #-n, sp next, adjust next_addr. */
|
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|
|
if ((0x0c0177777 & read_memory_integer (pc, 2)) == 0157774)
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|
next_addr += read_memory_integer (pc += 2, 4), pc += 4;
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|
|
#endif
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}
|
|
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thebyte = read_memory_integer (pc, 1);
|
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if (thebyte == 0x12)
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{
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|
/* Got stm */
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pc++;
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regmask = read_memory_integer (pc, 1);
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|
pc++;
|
|
|
|
for (regnum = 0; regnum < 8; regnum++, regmask >>= 1)
|
|
|
|
{
|
|
|
|
if (regmask & 1)
|
|
|
|
{
|
|
|
|
(frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
thebyte = read_memory_integer (pc, 1);
|
|
|
|
}
|
|
|
|
/* Maybe got a load of pushes */
|
|
|
|
while (thebyte == 0xbf)
|
|
|
|
{
|
|
|
|
pc++;
|
|
|
|
regnum = read_memory_integer (pc, 1) & 0x7;
|
|
|
|
pc++;
|
|
|
|
(frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2;
|
|
|
|
thebyte = read_memory_integer (pc, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
lose:;
|
|
|
|
|
|
|
|
/* Remember the address of the frame pointer */
|
|
|
|
(frame_saved_regs)->regs[FP_REGNUM] = (frame_info)->frame;
|
|
|
|
|
|
|
|
/* This is where the old sp is hidden */
|
|
|
|
(frame_saved_regs)->regs[SP_REGNUM] = (frame_info)->frame;
|
|
|
|
|
|
|
|
/* And the PC - remember the pushed FP is always two bytes long */
|
|
|
|
(frame_saved_regs)->regs[PC_REGNUM] = (frame_info)->frame + 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
CORE_ADDR
|
2000-07-30 03:48:28 +02:00
|
|
|
saved_pc_after_call (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
int x;
|
|
|
|
int a = read_register (SP_REGNUM);
|
|
|
|
|
|
|
|
x = read_memory_integer (a, code_size);
|
|
|
|
if (code_size == 2)
|
|
|
|
{
|
|
|
|
/* Stick current code segement onto top */
|
|
|
|
x &= 0xffff;
|
|
|
|
x |= read_register (SEG_C_REGNUM) << 16;
|
|
|
|
}
|
|
|
|
x &= 0xffffff;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
h8500_set_pointer_size (int newsize)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
static int oldsize = 0;
|
|
|
|
|
|
|
|
if (oldsize != newsize)
|
|
|
|
{
|
|
|
|
printf_unfiltered ("pointer size set to %d bits\n", newsize);
|
|
|
|
oldsize = newsize;
|
|
|
|
if (newsize == 32)
|
|
|
|
{
|
|
|
|
minimum_mode = 0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
minimum_mode = 1;
|
|
|
|
}
|
|
|
|
_initialize_gdbtypes ();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
* ser-e7kpc.c (e7000pc_setstopbits): New function.
(e7000pc_ops): Add e7000pc_setstopbits.
* remote-e7000.c (e7000_detach, e7000_resume,
e7000_xfer_inferior_memory, e7000_files_info, e7000_files_info,
e7000_insert_breakpoint, e7000_remove_breakpoint, e7000_kill):
Update function signature to match target vector.
* h8300-tdep.c (h8300_command, h8300h_command, h8300s_command):
h8500-tdep.c (small_command, big_command, medium_command,
compact_command): Update function signature to match add_cmd.
2000-12-02 12:37:15 +01:00
|
|
|
big_command (char *arg, int from_tty)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
h8500_set_pointer_size (32);
|
|
|
|
code_size = 4;
|
|
|
|
data_size = 4;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
* ser-e7kpc.c (e7000pc_setstopbits): New function.
(e7000pc_ops): Add e7000pc_setstopbits.
* remote-e7000.c (e7000_detach, e7000_resume,
e7000_xfer_inferior_memory, e7000_files_info, e7000_files_info,
e7000_insert_breakpoint, e7000_remove_breakpoint, e7000_kill):
Update function signature to match target vector.
* h8300-tdep.c (h8300_command, h8300h_command, h8300s_command):
h8500-tdep.c (small_command, big_command, medium_command,
compact_command): Update function signature to match add_cmd.
2000-12-02 12:37:15 +01:00
|
|
|
medium_command (char *arg, int from_tty)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
h8500_set_pointer_size (32);
|
|
|
|
code_size = 4;
|
|
|
|
data_size = 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
* ser-e7kpc.c (e7000pc_setstopbits): New function.
(e7000pc_ops): Add e7000pc_setstopbits.
* remote-e7000.c (e7000_detach, e7000_resume,
e7000_xfer_inferior_memory, e7000_files_info, e7000_files_info,
e7000_insert_breakpoint, e7000_remove_breakpoint, e7000_kill):
Update function signature to match target vector.
* h8300-tdep.c (h8300_command, h8300h_command, h8300s_command):
h8500-tdep.c (small_command, big_command, medium_command,
compact_command): Update function signature to match add_cmd.
2000-12-02 12:37:15 +01:00
|
|
|
compact_command (char *arg, int from_tty)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
h8500_set_pointer_size (32);
|
|
|
|
code_size = 2;
|
|
|
|
data_size = 4;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
* ser-e7kpc.c (e7000pc_setstopbits): New function.
(e7000pc_ops): Add e7000pc_setstopbits.
* remote-e7000.c (e7000_detach, e7000_resume,
e7000_xfer_inferior_memory, e7000_files_info, e7000_files_info,
e7000_insert_breakpoint, e7000_remove_breakpoint, e7000_kill):
Update function signature to match target vector.
* h8300-tdep.c (h8300_command, h8300h_command, h8300s_command):
h8500-tdep.c (small_command, big_command, medium_command,
compact_command): Update function signature to match add_cmd.
2000-12-02 12:37:15 +01:00
|
|
|
small_command (char *arg, int from_tty)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
h8500_set_pointer_size (16);
|
|
|
|
code_size = 2;
|
|
|
|
data_size = 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct cmd_list_element *setmemorylist;
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
set_memory (char *args, int from_tty)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
|
|
|
|
help_list (setmemorylist, "set memory ", -1, gdb_stdout);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* See if variable name is ppc or pr[0-7] */
|
|
|
|
|
|
|
|
int
|
2000-07-30 03:48:28 +02:00
|
|
|
h8500_is_trapped_internalvar (char *name)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
if (name[0] != 'p')
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
if (strcmp (name + 1, "pc") == 0)
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
if (name[1] == 'r'
|
|
|
|
&& name[2] >= '0'
|
|
|
|
&& name[2] <= '7'
|
|
|
|
&& name[3] == '\000')
|
|
|
|
return 1;
|
|
|
|
else
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
value_ptr
|
2000-07-30 03:48:28 +02:00
|
|
|
h8500_value_of_trapped_internalvar (struct internalvar *var)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
LONGEST regval;
|
|
|
|
unsigned char regbuf[4];
|
|
|
|
int page_regnum, regnum;
|
|
|
|
|
|
|
|
regnum = var->name[2] == 'c' ? PC_REGNUM : var->name[2] - '0';
|
|
|
|
|
|
|
|
switch (var->name[2])
|
|
|
|
{
|
|
|
|
case 'c':
|
|
|
|
page_regnum = SEG_C_REGNUM;
|
|
|
|
break;
|
|
|
|
case '0':
|
|
|
|
case '1':
|
|
|
|
case '2':
|
|
|
|
case '3':
|
|
|
|
page_regnum = SEG_D_REGNUM;
|
|
|
|
break;
|
|
|
|
case '4':
|
|
|
|
case '5':
|
|
|
|
page_regnum = SEG_E_REGNUM;
|
|
|
|
break;
|
|
|
|
case '6':
|
|
|
|
case '7':
|
|
|
|
page_regnum = SEG_T_REGNUM;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
get_saved_register (regbuf, NULL, NULL, selected_frame, page_regnum, NULL);
|
|
|
|
regval = regbuf[0] << 16;
|
|
|
|
|
|
|
|
get_saved_register (regbuf, NULL, NULL, selected_frame, regnum, NULL);
|
1999-07-07 22:19:36 +02:00
|
|
|
regval |= regbuf[0] << 8 | regbuf[1]; /* XXX host/target byte order */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
2000-12-15 02:01:51 +01:00
|
|
|
xfree (var->value); /* Free up old value */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
var->value = value_from_longest (builtin_type_unsigned_long, regval);
|
|
|
|
release_value (var->value); /* Unchain new value */
|
|
|
|
|
|
|
|
VALUE_LVAL (var->value) = lval_internalvar;
|
|
|
|
VALUE_INTERNALVAR (var->value) = var;
|
|
|
|
return var->value;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
h8500_set_trapped_internalvar (struct internalvar *var, value_ptr newval,
|
|
|
|
int bitpos, int bitsize, int offset)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
char *page_regnum, *regnum;
|
|
|
|
char expression[100];
|
|
|
|
unsigned new_regval;
|
|
|
|
struct type *type;
|
|
|
|
enum type_code newval_type_code;
|
|
|
|
|
|
|
|
type = check_typedef (VALUE_TYPE (newval));
|
|
|
|
newval_type_code = TYPE_CODE (type);
|
|
|
|
|
|
|
|
if ((newval_type_code != TYPE_CODE_INT
|
|
|
|
&& newval_type_code != TYPE_CODE_PTR)
|
|
|
|
|| TYPE_LENGTH (type) != sizeof (new_regval))
|
|
|
|
error ("Illegal type (%s) for assignment to $%s\n",
|
|
|
|
TYPE_NAME (VALUE_TYPE (newval)), var->name);
|
|
|
|
|
|
|
|
new_regval = *(long *) VALUE_CONTENTS_RAW (newval);
|
|
|
|
|
|
|
|
regnum = var->name + 1;
|
|
|
|
|
|
|
|
switch (var->name[2])
|
|
|
|
{
|
|
|
|
case 'c':
|
|
|
|
page_regnum = "cp";
|
|
|
|
break;
|
|
|
|
case '0':
|
|
|
|
case '1':
|
|
|
|
case '2':
|
|
|
|
case '3':
|
|
|
|
page_regnum = "dp";
|
|
|
|
break;
|
|
|
|
case '4':
|
|
|
|
case '5':
|
|
|
|
page_regnum = "ep";
|
|
|
|
break;
|
|
|
|
case '6':
|
|
|
|
case '7':
|
|
|
|
page_regnum = "tp";
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
sprintf (expression, "$%s=%d", page_regnum, new_regval >> 16);
|
|
|
|
parse_and_eval (expression);
|
|
|
|
|
|
|
|
sprintf (expression, "$%s=%d", regnum, new_regval & 0xffff);
|
|
|
|
parse_and_eval (expression);
|
|
|
|
}
|
|
|
|
|
|
|
|
CORE_ADDR
|
2000-07-30 03:48:28 +02:00
|
|
|
h8500_read_sp (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
return read_register (PR7_REGNUM);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
h8500_write_sp (CORE_ADDR v)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
write_register (PR7_REGNUM, v);
|
|
|
|
}
|
|
|
|
|
|
|
|
CORE_ADDR
|
2000-07-30 03:48:28 +02:00
|
|
|
h8500_read_pc (int pid)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
return read_register (PC_REGNUM);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
h8500_write_pc (CORE_ADDR v, int pid)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
write_register (PC_REGNUM, v);
|
|
|
|
}
|
|
|
|
|
|
|
|
CORE_ADDR
|
2000-07-30 03:48:28 +02:00
|
|
|
h8500_read_fp (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
return read_register (PR6_REGNUM);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
h8500_write_fp (CORE_ADDR v)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
write_register (PR6_REGNUM, v);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
_initialize_h8500_tdep (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
|
|
|
tm_print_insn = print_insn_h8500;
|
|
|
|
|
|
|
|
add_prefix_cmd ("memory", no_class, set_memory,
|
|
|
|
"set the memory model", &setmemorylist, "set memory ", 0,
|
|
|
|
&setlist);
|
|
|
|
|
|
|
|
add_cmd ("small", class_support, small_command,
|
1999-07-07 22:19:36 +02:00
|
|
|
"Set small memory model. (16 bit code, 16 bit data)", &setmemorylist);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
add_cmd ("big", class_support, big_command,
|
1999-07-07 22:19:36 +02:00
|
|
|
"Set big memory model. (32 bit code, 32 bit data)", &setmemorylist);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
add_cmd ("medium", class_support, medium_command,
|
1999-07-07 22:19:36 +02:00
|
|
|
"Set medium memory model. (32 bit code, 16 bit data)", &setmemorylist);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
add_cmd ("compact", class_support, compact_command,
|
1999-07-07 22:19:36 +02:00
|
|
|
"Set compact memory model. (16 bit code, 32 bit data)", &setmemorylist);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
}
|