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/*
arm_regdefs.c - necessary arm definition for skyeye debugger
Copyright (C) 2003 Skyeye Develop Group
for help please send mail to <skyeye-developer@lists.gro.clinux.org>
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
*/
/*
* 12/16/2006 Michael.Kang <blackfin.kang@gmail.com>
*/
#include "skyeye2gdb.h"
#include "armdefs.h"
#define ARM_NUM_REGS 26
#define CPSR_REGNUM 25
extern int bigendSig;
extern ARMul_State * state;
static int arm_register_raw_size(int x){
if(x > 15 && x < 24)
return 12;
else
return 4;
}
static int arm_register_byte(int x){
if(x < 16)
return (x*4);
if(x > 15 && x < 24)
return (16 * 4 + (x - 16)*12);
if(x == 24)
return (16 * 4 + 8 * 12);
if(x == CPSR_REGNUM)
return (16 * 4 + 8 * 12 + 4);
}
static int arm_store_register(int rn, unsigned long * memory){
bigendSig = state->bigendSig;
if(rn == CPSR_REGNUM){
ARMul_SetCPSR(state, frommem(memory));
return 0;
}
if(rn < 16)
ARMul_SetReg (state, state->Mode, rn, frommem (memory));
return 0;
}
static int arm_fetch_register(int rn, unsigned char * memory){
WORD regval;
bigendSig = state->bigendSig;
if (rn < 16)
regval = ARMul_GetReg (state, state->Mode, rn);
else if (rn == CPSR_REGNUM) /* FIXME: use PS_REGNUM from gdb/config/arm/tm-arm.h */
regval = ARMul_GetCPSR (state);
else
regval = 0x0; /* FIXME: should report an error */
tomem (memory, regval);
return 0;
}
/*
* register arm register type to the array
*/
void init_arm_register_defs(void){
static register_defs_t arm_reg_defs;
arm_reg_defs.name = "arm";
arm_reg_defs.register_raw_size = arm_register_raw_size;
arm_reg_defs.register_bytes = (16 * 4 + 12 * 8 + 4 + 4);
arm_reg_defs.register_byte = arm_register_byte;
arm_reg_defs.num_regs = ARM_NUM_REGS;
arm_reg_defs.max_register_raw_size = 12;
arm_reg_defs.store_register = arm_store_register;
arm_reg_defs.fetch_register = arm_fetch_register;
register_reg_type(&arm_reg_defs);
}
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