arm.c

用VHDL语言实现的ARM处理器的标准内核的源代码程序

int func_insn_blx (struct _insn_blx_struct *s, proc_state *state) {
/*Branch and link /exchange*/
};
int func_insn_dsa (struct _insn_dsa_struct *s, proc_state *state) {
/*Dsp add|sub*/
};
int func_insn_brk (struct _insn_brk_struct *s, proc_state *state) {
/*Breakpoint*/
};
int func_insn_dsm (struct _insn_dsm_struct *s, proc_state *state) {
/*DSP multiply*/
};
int func_insn_dp_r_s (struct _insn_dp_r_s_struct *s, proc_state *state) {
/*Data processing register shieft*/
};
int func_insn_mula (struct _insn_mula_struct *s, proc_state *state) {
/*Multiply and accumulate*/
};
int func_insn_mull (struct _insn_mull_struct *s, proc_state *state) {
/*Multiply long*/
};
int func_insn_swp (struct _insn_swp_struct *s, proc_state *state) {
/*Swap|swap byte*/
};
int func_insn_ld1 (struct _insn_ld1_struct *s, proc_state *state) {
/*Load|Store halfword*/
};
int func_insn_ld2 (struct _insn_ld2_struct *s, proc_state *state) {
/*Load|Store halfword immidiate offset*/
};
int func_insn_ld3 (struct _insn_ld3_struct *s, proc_state *state) {
/*Load|Store two words register offset*/
};
int func_insn_ld4 (struct _insn_ld4_struct *s, proc_state *state) {
/*Load|Store signed halfword/byte register offset*/
};
int func_insn_ld5 (struct _insn_ld5_struct *s, proc_state *state) {
/*Load|Store two words register offset*/
};
int func_insn_ld6 (struct _insn_ld6_struct *s, proc_state *state) {
/*Load|Store signed halfword/byte immidiate offset*/
};
int func_insn_dp_i (struct _insn_dp_i_struct *s, proc_state *state) {
/*Data processing immidiate*/
};
int func_insn_undef1 (struct _insn_undef1_struct *s, proc_state *state) {
/*Undefined instruction*/
};
int func_insn_misr (struct _insn_misr_struct *s, proc_state *state) {
/*Move immidiate to status register*/
};
int func_insn_lsio (struct _insn_lsio_struct *s, proc_state *state) {
/*Load|Store imidiate offset*/
};
int func_insn_lsro (struct _insn_lsro_struct *s, proc_state *state) {
/*Load|Store register offset*/
};
int func_insn_undef2 (struct _insn_undef2_struct *s, proc_state *state) {
/*Undefined instruction2*/
};
int func_insn_undef3 (struct _insn_undef3_struct *s, proc_state *state) {
/*Undefined instruction3*/
};
int func_insn_lsm (struct _insn_lsm_struct *s, proc_state *state) {
/*Load|Store multiple*/
};
int func_insn_undef4 (struct _insn_undef4_struct *s, proc_state *state) {
/*Undefined instruction4*/
};
int func_insn_bwl (struct _insn_bwl_struct *s, proc_state *state) {
/*Branch with link*/
};
int func_insn_bwlth (struct _insn_bwlth_struct *s, proc_state *state) {
/*Branch with link and change to thumb*/
};
int func_insn_cpldst (struct _insn_cpldst_struct *s, proc_state *state) {
/*Coprocessor Load Store*/
};
int func_insn_cpdp (struct _insn_cpdp_struct *s, proc_state *state) {
/*Coprocessor data processing*/
};
int func_insn_cpr (struct _insn_cpr_struct *s, proc_state *state) {
/*Coprocessor register transfer*/
};
int func_insn_swi (struct _insn_swi_struct *s, proc_state *state) {
/*Software interrupt*/
};
int func_insn_undef (struct _insn_undef_struct *s, proc_state *state) {
/*Undef*/
};
unsigned int init_insn_dp_i_s(unsigned int insn, insn_union *s) {
s->insn_dp_i_s.func=func_insn_dp_i_s;
s->insn_dp_i_s.c=((insn>>28)&0xf);
s->insn_dp_i_s.op1=((insn>>21)&0xf);
s->insn_dp_i_s.dps=((insn>>20)&0x1);
s->insn_dp_i_s.rn=((insn>>16)&0xf);
s->insn_dp_i_s.rd=((insn>>12)&0xf);
s->insn_dp_i_s.sha=((insn>>7)&0x1f);
s->insn_dp_i_s.sh=((insn>>5)&0x3);
s->insn_dp_i_s.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_msr(unsigned int insn, insn_union *s) {
s->insn_msr.func=func_insn_msr;
s->insn_msr.c=((insn>>28)&0xf);
s->insn_msr.R=((insn>>22)&0x1);
s->insn_msr.SBO=((insn>>16)&0xf);
s->insn_msr.rd=((insn>>12)&0xf);
s->insn_msr.SBZ=((insn>>8)&0xf);
s->insn_msr.SBZ2=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_mrs(unsigned int insn, insn_union *s) {
s->insn_mrs.func=func_insn_mrs;
s->insn_mrs.c=((insn>>28)&0xf);
s->insn_mrs.R=((insn>>22)&0x1);
s->insn_mrs.msk=((insn>>16)&0xf);
s->insn_mrs.SBO=((insn>>12)&0xf);
s->insn_mrs.SBZ=((insn>>8)&0xf);
s->insn_mrs.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_bex(unsigned int insn, insn_union *s) {
s->insn_bex.func=func_insn_bex;
s->insn_bex.c=((insn>>28)&0xf);
s->insn_bex.SBO=((insn>>8)&0xfff);
s->insn_bex.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_clz(unsigned int insn, insn_union *s) {
s->insn_clz.func=func_insn_clz;
s->insn_clz.c=((insn>>28)&0xf);
s->insn_clz.SBO=((insn>>16)&0xf);
s->insn_clz.rd=((insn>>12)&0xf);
s->insn_clz.SBO2=((insn>>8)&0xf);
s->insn_clz.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_blx(unsigned int insn, insn_union *s) {
s->insn_blx.func=func_insn_blx;
s->insn_blx.c=((insn>>28)&0xf);
s->insn_blx.SBO=((insn>>8)&0xfff);
s->insn_blx.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_dsa(unsigned int insn, insn_union *s) {
s->insn_dsa.func=func_insn_dsa;
s->insn_dsa.c=((insn>>28)&0xf);
s->insn_dsa.dsop=((insn>>21)&0x3);
s->insn_dsa.rn=((insn>>16)&0xf);
s->insn_dsa.rd=((insn>>12)&0xf);
s->insn_dsa.SBZ=((insn>>8)&0xf);
s->insn_dsa.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_brk(unsigned int insn, insn_union *s) {
s->insn_brk.func=func_insn_brk;
s->insn_brk.c=((insn>>28)&0xf);
s->insn_brk.imm=((insn>>8)&0xfff);
s->insn_brk.imm2=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_dsm(unsigned int insn, insn_union *s) {
s->insn_dsm.func=func_insn_dsm;
s->insn_dsm.c=((insn>>28)&0xf);
s->insn_dsm.dsop=((insn>>21)&0x3);
s->insn_dsm.RD=((insn>>16)&0xf);
s->insn_dsm.rn=((insn>>12)&0xf);
s->insn_dsm.rs=((insn>>8)&0xf);
s->insn_dsm.y=((insn>>6)&0x1);
s->insn_dsm.x=((insn>>5)&0x1);
s->insn_dsm.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_dp_r_s(unsigned int insn, insn_union *s) {
s->insn_dp_r_s.func=func_insn_dp_r_s;
s->insn_dp_r_s.c=((insn>>28)&0xf);
s->insn_dp_r_s.op1=((insn>>21)&0xf);
s->insn_dp_r_s.dps=((insn>>20)&0x1);
s->insn_dp_r_s.rn=((insn>>16)&0xf);
s->insn_dp_r_s.rd=((insn>>12)&0xf);
s->insn_dp_r_s.rs=((insn>>8)&0xf);
s->insn_dp_r_s.sh=((insn>>5)&0x3);
s->insn_dp_r_s.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_mula(unsigned int insn, insn_union *s) {
s->insn_mula.func=func_insn_mula;
s->insn_mula.c=((insn>>28)&0xf);
s->insn_mula.MA=((insn>>21)&0x1);
s->insn_mula.MS=((insn>>20)&0x1);
s->insn_mula.rd=((insn>>16)&0xf);
s->insn_mula.rn=((insn>>12)&0xf);
s->insn_mula.rs=((insn>>8)&0xf);
s->insn_mula.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_mull(unsigned int insn, insn_union *s) {
s->insn_mull.func=func_insn_mull;
s->insn_mull.c=((insn>>28)&0xf);
s->insn_mull.MU=((insn>>22)&0x1);
s->insn_mull.MA=((insn>>21)&0x1);
s->insn_mull.MS=((insn>>20)&0x1);
s->insn_mull.rd=((insn>>16)&0xf);
s->insn_mull.rdl=((insn>>12)&0xf);
s->insn_mull.rs=((insn>>8)&0xf);
s->insn_mull.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_swp(unsigned int insn, insn_union *s) {
s->insn_swp.func=func_insn_swp;
s->insn_swp.c=((insn>>28)&0xf);
s->insn_swp.SB=((insn>>22)&0x1);
s->insn_swp.rn=((insn>>16)&0xf);
s->insn_swp.rd=((insn>>12)&0xf);
s->insn_swp.sbz=((insn>>8)&0xf);
s->insn_swp.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_ld1(unsigned int insn, insn_union *s) {
s->insn_ld1.func=func_insn_ld1;
s->insn_ld1.c=((insn>>28)&0xf);
s->insn_ld1.LSP=((insn>>24)&0x1);
s->insn_ld1.LSU=((insn>>23)&0x1);
s->insn_ld1.LSW=((insn>>21)&0x1);
s->insn_ld1.LSL=((insn>>20)&0x1);
s->insn_ld1.rn=((insn>>16)&0xf);
s->insn_ld1.rd=((insn>>12)&0xf);
s->insn_ld1.sbz=((insn>>8)&0xf);
s->insn_ld1.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_ld2(unsigned int insn, insn_union *s) {
s->insn_ld2.func=func_insn_ld2;
s->insn_ld2.c=((insn>>28)&0xf);
s->insn_ld2.LSP=((insn>>24)&0x1);
s->insn_ld2.LSU=((insn>>23)&0x1);
s->insn_ld2.LSW=((insn>>21)&0x1);
s->insn_ld2.LSL=((insn>>20)&0x1);
s->insn_ld2.rn=((insn>>16)&0xf);
s->insn_ld2.rd=((insn>>12)&0xf);
s->insn_ld2.i81=((insn>>8)&0xf);
s->insn_ld2.i82=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_ld3(unsigned int insn, insn_union *s) {
s->insn_ld3.func=func_insn_ld3;
s->insn_ld3.c=((insn>>28)&0xf);
s->insn_ld3.LSP=((insn>>24)&0x1);
s->insn_ld3.LSU=((insn>>23)&0x1);
s->insn_ld3.LSW=((insn>>21)&0x1);
s->insn_ld3.rn=((insn>>16)&0xf);
s->insn_ld3.rd=((insn>>12)&0xf);
s->insn_ld3.i81=((insn>>8)&0xf);
s->insn_ld3.S=((insn>>5)&0x1);
s->insn_ld3.i82=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_ld4(unsigned int insn, insn_union *s) {
s->insn_ld4.func=func_insn_ld4;
s->insn_ld4.c=((insn>>28)&0xf);
s->insn_ld4.LSP=((insn>>24)&0x1);
s->insn_ld4.LSU=((insn>>23)&0x1);
s->insn_ld4.LSW=((insn>>21)&0x1);
s->insn_ld4.rn=((insn>>16)&0xf);
s->insn_ld4.rd=((insn>>12)&0xf);
s->insn_ld4.i81=((insn>>8)&0xf);
s->insn_ld4.H=((insn>>5)&0x1);
s->insn_ld4.i82=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_ld5(unsigned int insn, insn_union *s) {
s->insn_ld5.func=func_insn_ld5;
s->insn_ld5.c=((insn>>28)&0xf);
s->insn_ld5.LSP=((insn>>24)&0x1);
s->insn_ld5.LSU=((insn>>23)&0x1);
s->insn_ld5.LSW=((insn>>21)&0x1);
s->insn_ld5.rn=((insn>>16)&0xf);
s->insn_ld5.rd=((insn>>12)&0xf);
s->insn_ld5.i81=((insn>>8)&0xf);
s->insn_ld5.S=((insn>>5)&0x1);
s->insn_ld5.i82=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_ld6(unsigned int insn, insn_union *s) {
s->insn_ld6.func=func_insn_ld6;
s->insn_ld6.c=((insn>>28)&0xf);
s->insn_ld6.LSP=((insn>>24)&0x1);
s->insn_ld6.LSU=((insn>>23)&0x1);
s->insn_ld6.LSW=((insn>>21)&0x1);
s->insn_ld6.rn=((insn>>16)&0xf);
s->insn_ld6.rd=((insn>>12)&0xf);
s->insn_ld6.i81=((insn>>8)&0xf);
s->insn_ld6.H=((insn>>5)&0x1);
s->insn_ld6.i82=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_dp_i(unsigned int insn, insn_union *s) {
s->insn_dp_i.func=func_insn_dp_i;
s->insn_dp_i.c=((insn>>28)&0xf);
s->insn_dp_i.op1=((insn>>21)&0xf);
s->insn_dp_i.dps=((insn>>20)&0x1);
s->insn_dp_i.rn=((insn>>16)&0xf);
s->insn_dp_i.rd=((insn>>12)&0xf);
s->insn_dp_i.rot=((insn>>8)&0xf);
s->insn_dp_i.dpi=((insn>>0)&0xff);
 return 1;};
 unsigned int init_insn_undef1(unsigned int insn, insn_union *s) {
s->insn_undef1.func=func_insn_undef1;
s->insn_undef1.c=((insn>>28)&0xf);
s->insn_undef1.X2=((insn>>22)&0x1);
s->insn_undef1.X=((insn>>0)&0xfffff);
 return 1;};
 unsigned int init_insn_misr(unsigned int insn, insn_union *s) {
s->insn_misr.func=func_insn_misr;
s->insn_misr.c=((insn>>28)&0xf);
s->insn_misr.R=((insn>>22)&0x1);
s->insn_misr.MSK=((insn>>16)&0xf);
s->insn_misr.SBQ=((insn>>12)&0xf);
s->insn_misr.rot=((insn>>8)&0xf);
s->insn_misr.dpi=((insn>>0)&0xff);
 return 1;};
 unsigned int init_insn_lsio(unsigned int insn, insn_union *s) {
s->insn_lsio.func=func_insn_lsio;
s->insn_lsio.c=((insn>>28)&0xf);
s->insn_lsio.LSP=((insn>>24)&0x1);
s->insn_lsio.LSU=((insn>>23)&0x1);
s->insn_lsio.LSB=((insn>>22)&0x1);
s->insn_lsio.LSW=((insn>>21)&0x1);
s->insn_lsio.LSL=((insn>>20)&0x1);
s->insn_lsio.rn=((insn>>16)&0xf);
s->insn_lsio.rd=((insn>>12)&0xf);
s->insn_lsio.LSI=((insn>>0)&0xfff);
 return 1;};
 unsigned int init_insn_lsro(unsigned int insn, insn_union *s) {
s->insn_lsro.func=func_insn_lsro;
s->insn_lsro.c=((insn>>28)&0xf);
s->insn_lsro.LSP=((insn>>24)&0x1);
s->insn_lsro.LSU=((insn>>23)&0x1);
s->insn_lsro.LSB=((insn>>22)&0x1);
s->insn_lsro.LSW=((insn>>21)&0x1);
s->insn_lsro.LSL=((insn>>20)&0x1);
s->insn_lsro.rn=((insn>>16)&0xf);
s->insn_lsro.rd=((insn>>12)&0xf);
s->insn_lsro.sha=((insn>>7)&0x1f);
s->insn_lsro.sh=((insn>>5)&0x3);
s->insn_lsro.rm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_undef2(unsigned int insn, insn_union *s) {
s->insn_undef2.func=func_insn_undef2;
s->insn_undef2.c=((insn>>28)&0xf);
s->insn_undef2.X=((insn>>5)&0xfffff);
s->insn_undef2.X2=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_undef3(unsigned int insn, insn_union *s) {
s->insn_undef3.func=func_insn_undef3;
s->insn_undef3.X=((insn>>0)&0x7ffffff);
 return 1;};
 unsigned int init_insn_lsm(unsigned int insn, insn_union *s) {
s->insn_lsm.func=func_insn_lsm;
s->insn_lsm.c=((insn>>28)&0xf);
s->insn_lsm.LSP=((insn>>24)&0x1);
s->insn_lsm.LSU=((insn>>23)&0x1);
s->insn_lsm.LMS=((insn>>22)&0x1);
s->insn_lsm.LSW=((insn>>21)&0x1);
s->insn_lsm.LSL=((insn>>20)&0x1);
s->insn_lsm.rn=((insn>>16)&0xf);
s->insn_lsm.rgl=((insn>>0)&0xffff);
 return 1;};
 unsigned int init_insn_undef4(unsigned int insn, insn_union *s) {
s->insn_undef4.func=func_insn_undef4;
s->insn_undef4.X=((insn>>0)&0x1ffffff);
 return 1;};
 unsigned int init_insn_bwl(unsigned int insn, insn_union *s) {
s->insn_bwl.func=func_insn_bwl;
s->insn_bwl.c=((insn>>28)&0xf);
s->insn_bwl.BLL=((insn>>24)&0x1);
s->insn_bwl.blo=((insn>>0)&0xffffff);
 return 1;};
 unsigned int init_insn_bwlth(unsigned int insn, insn_union *s) {
s->insn_bwlth.func=func_insn_bwlth;
s->insn_bwlth.BLH=((insn>>24)&0x1);
s->insn_bwlth.blo=((insn>>0)&0xffffff);
 return 1;};
 unsigned int init_insn_cpldst(unsigned int insn, insn_union *s) {
s->insn_cpldst.func=func_insn_cpldst;
s->insn_cpldst.c=((insn>>28)&0xf);
s->insn_cpldst.LSP=((insn>>24)&0x1);
s->insn_cpldst.LSU=((insn>>23)&0x1);
s->insn_cpldst.Cp_N=((insn>>22)&0x1);
s->insn_cpldst.LSW=((insn>>21)&0x1);
s->insn_cpldst.LSL=((insn>>20)&0x1);
s->insn_cpldst.rn=((insn>>16)&0xf);
s->insn_cpldst.crd=((insn>>12)&0xf);
s->insn_cpldst.cpn=((insn>>8)&0xf);
s->insn_cpldst.of8=((insn>>0)&0xff);
 return 1;};
 unsigned int init_insn_cpdp(unsigned int insn, insn_union *s) {
s->insn_cpdp.func=func_insn_cpdp;
s->insn_cpdp.c=((insn>>28)&0xf);
s->insn_cpdp.co1=((insn>>20)&0xf);
s->insn_cpdp.crn=((insn>>16)&0xf);
s->insn_cpdp.rd=((insn>>12)&0xf);
s->insn_cpdp.cpn=((insn>>8)&0xf);
s->insn_cpdp.cp1=((insn>>5)&0x7);
s->insn_cpdp.crm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_cpr(unsigned int insn, insn_union *s) {
s->insn_cpr.func=func_insn_cpr;
s->insn_cpr.c=((insn>>28)&0xf);
s->insn_cpr.co1=((insn>>21)&0x7);
s->insn_cpr.LSL=((insn>>20)&0x1);
s->insn_cpr.crn=((insn>>16)&0xf);
s->insn_cpr.rd=((insn>>12)&0xf);
s->insn_cpr.cpn=((insn>>8)&0xf);
s->insn_cpr.cp1=((insn>>5)&0x7);
s->insn_cpr.crm=((insn>>0)&0xf);
 return 1;};
 unsigned int init_insn_swi(unsigned int insn, insn_union *s) {
s->insn_swi.func=func_insn_swi;
s->insn_swi.c=((insn>>28)&0xf);
s->insn_swi.X=((insn>>0)&0xffffff);
 return 1;};
 unsigned int init_insn_undef(unsigned int insn, insn_union *s) {
s->insn_undef.func=func_insn_undef;
s->insn_undef.X=((insn>>0)&0xffffff);