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/*
debugger.h - necessary definition for skyeye debugger
Copyright (C) 2003 Skyeye Develop Group
for help please send mail to <skyeye-developer@lists.sf.linuxforum.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* 12/04/2005 ksh <blacfin.kang@gmail.com>
* */
//koodailar add for mingw 2005.12.18 ----------------------------------------
#ifdef __MINGW32__
#include "arch/arm/common/armdefs.h"
#else
#include "armdefs.h"
#endif
// end ----------------------------------------------------------------------
#include "skyeye_types.h"
#include "arm_regdefs.h"
#include "bfin_regdefs.h"
#include "memory.h"
#include "cf_regdefs.h"
#include "armemu.h"
#include "skyeye2gdb.h"
#include <stdint.h>
extern struct ARMul_State * state;
extern struct _memory_core memory_core;
extern generic_arch_t * arch_instance;
int bigendSig;
int get_regnum(){
if(!strcmp(skyeye_config.arch->arch_name, "arm"))
return ARM_REGNUM;
if(!strcmp(skyeye_config.arch->arch_name, "blackfin"))
return BFIN_NUM_REGS;
if(!strcmp(skyeye_config.arch->arch_name, "coldfire"))
return CF_REGNUM;
}
static int
frommem (unsigned char *memory)
{
if (bigendSig == HIGH) {
return (memory[0] << 24)
| (memory[1] << 16) | (memory[2] << 8) | (memory[3] <<
0);
}
else {
return (memory[3] << 24)
| (memory[2] << 16) | (memory[1] << 8) | (memory[0] <<
0);
}
}
static void
tomem (unsigned char *memory, int val)
{
if (bigendSig == HIGH) {
memory[0] = val >> 24;
memory[1] = val >> 16;
memory[2] = val >> 8;
memory[3] = val >> 0;
}
else {
memory[3] = val >> 24;
memory[2] = val >> 16;
memory[1] = val >> 8;
memory[0] = val >> 0;
}
}
#if 0
ARMword
ARMul_Debug (ARMul_State * state, ARMword pc ATTRIBUTE_UNUSED,
ARMword instr ATTRIBUTE_UNUSED)
{
state->Emulate = STOP;
stop_simulator = 1;
return 1;
}
#endif
//chy 2006-04-12
int sim_ice_breakpoint_insert(ARMword addr)
{
int i;
for(i = 0; i < skyeye_ice.num_bps; i++) {
if (skyeye_ice.bps[i] == addr)
return 1;
}
if (skyeye_ice.num_bps >= MAX_BREAKPOINTS)
return -1;
skyeye_ice.bps[skyeye_ice.num_bps++] = addr;
return 0;
}
int sim_ice_breakpoint_remove(ARMword addr)
{
int i;
for(i = 0; i < skyeye_ice.num_bps; i++) {
if (skyeye_ice.bps[i] == addr)
goto found;
}
return 0;
found:
skyeye_ice.num_bps--;
if (i < skyeye_ice.num_bps)
skyeye_ice.bps[i] = skyeye_ice.bps[skyeye_ice.num_bps];
return 1;
}
int
sim_write (ARMword addr, unsigned char *buffer, int size)
{
int i;
int fault=0;
for (i = 0; i < size; i++) {
fault=arch_instance->ICE_write_byte(addr + i, buffer[i]);
if(fault) return -1;
}
return size;
}
int
sim_read (ARMword addr, unsigned char *buffer, int size)
{
int i;
int fault=0;
unsigned char v;
for (i = 0; i < size; i++) {
fault=arch_instance->ICE_read_byte(addr + i, &v);
if(fault) return -1;
buffer[i]=v;
}
return size;
}
int
sim_store_register (int rn, unsigned char *memory)
{
if(!strcmp(skyeye_config.arch->arch_name, "arm")){
bigendSig = state->bigendSig;
ARMul_SetReg (state, state->Mode, rn, frommem (memory));
}
else if(!strcmp(skyeye_config.arch->arch_name, "blackfin")){}
else if(!strcmp(skyeye_config.arch->arch_name, "coldfire")){
WORD val = frommem(memory);
if(0 <= rn < 8){
memory_core.d[rn] = val ;
}
else if(8 <= rn < 16 ){
memory_core.a[rn-8] = val ;
}
else if(16 == rn){
memory_core.sr = val;
}
else if(17 == rn){
memory_core.pc = val;
}
}
return -1;
}
int
sim_fetch_register (int rn, unsigned char *memory)
{
WORD regval;
if(!strcmp(skyeye_config.arch->arch_name,"arm")){
bigendSig = state->bigendSig;
if (rn < 16)
regval = ARMul_GetReg (state, state->Mode, rn);
else if (rn == 25) /* FIXME: use PS_REGNUM from gdb/config/arm/tm-arm.h */
regval = ARMul_GetCPSR (state);
else
regval = 0; /* FIXME: should report an error */
}
else if(!strcmp(skyeye_config.arch->arch_name,"blackfin")){
}
/*
coldfire register definition
static char *register_names[] = {
"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7",
"a0", "a1", "a2", "a3", "a4", "a5", "fp", "sp",
"ps", "pc",
"fp0", "fp1", "fp2", "fp3", "fp4", "fp5", "fp6", "fp7",
"fpcontrol", "fpstatus", "fpiaddr", "fpcode", "fpflags"
};
*/
else if (!strcmp(skyeye_config.arch->arch_name,"coldfire")){
if(0 <= rn < 8){
regval = memory_core.d[rn];
}
else if(8 <= rn < 16 ){
regval = memory_core.a[rn-8];
}
else if(16 == rn){
regval = memory_core.sr;
}
else if(17 == rn){
regval = memory_core.pc;
}
}
tomem (memory, regval);
return -1;
}
void gdbserver_cont(){
if(!strcmp(skyeye_config.arch->arch_name,"arm")){
//chy 2006-04-12
state->NextInstr = RESUME; /* treat as PC change */
state->Reg[15]=ARMul_DoProg (state);
}
}
void gdbserver_step(){
if(!strcmp(skyeye_config.arch->arch_name,"arm")){
//chy 2006004-12
state->Reg[15]=ARMul_DoInstr (state);
}
}
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