sem-switch.c

这个是LINUX下的GDB调度工具的源码

// OBSOLETE     vpc = fr30bf_pbb_cti_chain (current_cpu, sem_arg,
// OBSOLETE 			       pbb_br_type, pbb_br_npc);
// OBSOLETE     BREAK (sem);
// OBSOLETE #else
// OBSOLETE     /* FIXME: Allow provision of explicit ifmt spec in insn spec.  */
// OBSOLETE     vpc = fr30bf_pbb_cti_chain (current_cpu, sem_arg,
// OBSOLETE 			       CPU_PBB_BR_TYPE (current_cpu),
// OBSOLETE 			       CPU_PBB_BR_NPC (current_cpu));
// OBSOLETE #endif
// OBSOLETE #endif
// OBSOLETE   }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE 
// OBSOLETE   CASE (sem, INSN_X_CHAIN) : /* --chain-- */
// OBSOLETE {
// OBSOLETE   SEM_ARG sem_arg = SEM_SEM_ARG (vpc, sc);
// OBSOLETE   ARGBUF *abuf = SEM_ARGBUF (sem_arg);
// OBSOLETE #define FLD(f) abuf->fields.fmt_empty.f
// OBSOLETE   int UNUSED written = 0;
// OBSOLETE   IADDR UNUSED pc = abuf->addr;
// OBSOLETE   vpc = SEM_NEXT_VPC (sem_arg, pc, 0);
// OBSOLETE 
// OBSOLETE   {
// OBSOLETE #if WITH_SCACHE_PBB_FR30BF
// OBSOLETE     vpc = fr30bf_pbb_chain (current_cpu, sem_arg);
// OBSOLETE #ifdef DEFINE_SWITCH
// OBSOLETE     BREAK (sem);
// OBSOLETE #endif
// OBSOLETE #endif
// OBSOLETE   }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE 
// OBSOLETE   CASE (sem, INSN_X_BEGIN) : /* --begin-- */
// OBSOLETE {
// OBSOLETE   SEM_ARG sem_arg = SEM_SEM_ARG (vpc, sc);
// OBSOLETE   ARGBUF *abuf = SEM_ARGBUF (sem_arg);
// OBSOLETE #define FLD(f) abuf->fields.fmt_empty.f
// OBSOLETE   int UNUSED written = 0;
// OBSOLETE   IADDR UNUSED pc = abuf->addr;
// OBSOLETE   vpc = SEM_NEXT_VPC (sem_arg, pc, 0);
// OBSOLETE 
// OBSOLETE   {
// OBSOLETE #if WITH_SCACHE_PBB_FR30BF
// OBSOLETE #if defined DEFINE_SWITCH || defined FAST_P
// OBSOLETE     /* In the switch case FAST_P is a constant, allowing several optimizations
// OBSOLETE        in any called inline functions.  */
// OBSOLETE     vpc = fr30bf_pbb_begin (current_cpu, FAST_P);
// OBSOLETE #else
// OBSOLETE #if 0 /* cgen engine can't handle dynamic fast/full switching yet.  */
// OBSOLETE     vpc = fr30bf_pbb_begin (current_cpu, STATE_RUN_FAST_P (CPU_STATE (current_cpu)));
// OBSOLETE #else
// OBSOLETE     vpc = fr30bf_pbb_begin (current_cpu, 0);
// OBSOLETE #endif
// OBSOLETE #endif
// OBSOLETE #endif
// OBSOLETE   }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE 
// OBSOLETE   CASE (sem, INSN_ADD) : /* add $Rj,$Ri */
// OBSOLETE {
// OBSOLETE   SEM_ARG sem_arg = SEM_SEM_ARG (vpc, sc);
// OBSOLETE   ARGBUF *abuf = SEM_ARGBUF (sem_arg);
// OBSOLETE #define FLD(f) abuf->fields.sfmt_add.f
// OBSOLETE   int UNUSED written = 0;
// OBSOLETE   IADDR UNUSED pc = abuf->addr;
// OBSOLETE   vpc = SEM_NEXT_VPC (sem_arg, pc, 2);
// OBSOLETE 
// OBSOLETE {
// OBSOLETE   {
// OBSOLETE     BI opval = ADDOFSI (* FLD (i_Ri), * FLD (i_Rj), 0);
// OBSOLETE     CPU (h_vbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "vbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     BI opval = ADDCFSI (* FLD (i_Ri), * FLD (i_Rj), 0);
// OBSOLETE     CPU (h_cbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "cbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     SI opval = ADDSI (* FLD (i_Ri), * FLD (i_Rj));
// OBSOLETE     * FLD (i_Ri) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "gr", 'x', opval);
// OBSOLETE   }
// OBSOLETE {
// OBSOLETE   {
// OBSOLETE     BI opval = EQSI (* FLD (i_Ri), 0);
// OBSOLETE     CPU (h_zbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "zbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     BI opval = LTSI (* FLD (i_Ri), 0);
// OBSOLETE     CPU (h_nbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "nbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE 
// OBSOLETE   CASE (sem, INSN_ADDI) : /* add $u4,$Ri */
// OBSOLETE {
// OBSOLETE   SEM_ARG sem_arg = SEM_SEM_ARG (vpc, sc);
// OBSOLETE   ARGBUF *abuf = SEM_ARGBUF (sem_arg);
// OBSOLETE #define FLD(f) abuf->fields.sfmt_addi.f
// OBSOLETE   int UNUSED written = 0;
// OBSOLETE   IADDR UNUSED pc = abuf->addr;
// OBSOLETE   vpc = SEM_NEXT_VPC (sem_arg, pc, 2);
// OBSOLETE 
// OBSOLETE {
// OBSOLETE   {
// OBSOLETE     BI opval = ADDOFSI (* FLD (i_Ri), FLD (f_u4), 0);
// OBSOLETE     CPU (h_vbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "vbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     BI opval = ADDCFSI (* FLD (i_Ri), FLD (f_u4), 0);
// OBSOLETE     CPU (h_cbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "cbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     SI opval = ADDSI (* FLD (i_Ri), FLD (f_u4));
// OBSOLETE     * FLD (i_Ri) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "gr", 'x', opval);
// OBSOLETE   }
// OBSOLETE {
// OBSOLETE   {
// OBSOLETE     BI opval = EQSI (* FLD (i_Ri), 0);
// OBSOLETE     CPU (h_zbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "zbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     BI opval = LTSI (* FLD (i_Ri), 0);
// OBSOLETE     CPU (h_nbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "nbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE 
// OBSOLETE   CASE (sem, INSN_ADD2) : /* add2 $m4,$Ri */
// OBSOLETE {
// OBSOLETE   SEM_ARG sem_arg = SEM_SEM_ARG (vpc, sc);
// OBSOLETE   ARGBUF *abuf = SEM_ARGBUF (sem_arg);
// OBSOLETE #define FLD(f) abuf->fields.sfmt_add2.f
// OBSOLETE   int UNUSED written = 0;
// OBSOLETE   IADDR UNUSED pc = abuf->addr;
// OBSOLETE   vpc = SEM_NEXT_VPC (sem_arg, pc, 2);
// OBSOLETE 
// OBSOLETE {
// OBSOLETE   {
// OBSOLETE     BI opval = ADDOFSI (* FLD (i_Ri), FLD (f_m4), 0);
// OBSOLETE     CPU (h_vbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "vbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     BI opval = ADDCFSI (* FLD (i_Ri), FLD (f_m4), 0);
// OBSOLETE     CPU (h_cbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "cbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     SI opval = ADDSI (* FLD (i_Ri), FLD (f_m4));
// OBSOLETE     * FLD (i_Ri) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "gr", 'x', opval);
// OBSOLETE   }
// OBSOLETE {
// OBSOLETE   {
// OBSOLETE     BI opval = EQSI (* FLD (i_Ri), 0);
// OBSOLETE     CPU (h_zbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "zbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     BI opval = LTSI (* FLD (i_Ri), 0);
// OBSOLETE     CPU (h_nbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "nbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE 
// OBSOLETE   CASE (sem, INSN_ADDC) : /* addc $Rj,$Ri */
// OBSOLETE {
// OBSOLETE   SEM_ARG sem_arg = SEM_SEM_ARG (vpc, sc);
// OBSOLETE   ARGBUF *abuf = SEM_ARGBUF (sem_arg);
// OBSOLETE #define FLD(f) abuf->fields.sfmt_add.f
// OBSOLETE   int UNUSED written = 0;
// OBSOLETE   IADDR UNUSED pc = abuf->addr;
// OBSOLETE   vpc = SEM_NEXT_VPC (sem_arg, pc, 2);
// OBSOLETE 
// OBSOLETE {
// OBSOLETE   SI tmp_tmp;
// OBSOLETE   tmp_tmp = ADDCSI (* FLD (i_Ri), * FLD (i_Rj), CPU (h_cbit));
// OBSOLETE   {
// OBSOLETE     BI opval = ADDOFSI (* FLD (i_Ri), * FLD (i_Rj), CPU (h_cbit));
// OBSOLETE     CPU (h_vbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "vbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     BI opval = ADDCFSI (* FLD (i_Ri), * FLD (i_Rj), CPU (h_cbit));
// OBSOLETE     CPU (h_cbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "cbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     SI opval = tmp_tmp;
// OBSOLETE     * FLD (i_Ri) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "gr", 'x', opval);
// OBSOLETE   }
// OBSOLETE {
// OBSOLETE   {
// OBSOLETE     BI opval = EQSI (* FLD (i_Ri), 0);
// OBSOLETE     CPU (h_zbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "zbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     BI opval = LTSI (* FLD (i_Ri), 0);
// OBSOLETE     CPU (h_nbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "nbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE 
// OBSOLETE   CASE (sem, INSN_ADDN) : /* addn $Rj,$Ri */
// OBSOLETE {
// OBSOLETE   SEM_ARG sem_arg = SEM_SEM_ARG (vpc, sc);
// OBSOLETE   ARGBUF *abuf = SEM_ARGBUF (sem_arg);
// OBSOLETE #define FLD(f) abuf->fields.sfmt_add.f
// OBSOLETE   int UNUSED written = 0;
// OBSOLETE   IADDR UNUSED pc = abuf->addr;
// OBSOLETE   vpc = SEM_NEXT_VPC (sem_arg, pc, 2);
// OBSOLETE 
// OBSOLETE   {
// OBSOLETE     SI opval = ADDSI (* FLD (i_Ri), * FLD (i_Rj));
// OBSOLETE     * FLD (i_Ri) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "gr", 'x', opval);
// OBSOLETE   }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE 
// OBSOLETE   CASE (sem, INSN_ADDNI) : /* addn $u4,$Ri */
// OBSOLETE {
// OBSOLETE   SEM_ARG sem_arg = SEM_SEM_ARG (vpc, sc);
// OBSOLETE   ARGBUF *abuf = SEM_ARGBUF (sem_arg);
// OBSOLETE #define FLD(f) abuf->fields.sfmt_addi.f
// OBSOLETE   int UNUSED written = 0;
// OBSOLETE   IADDR UNUSED pc = abuf->addr;
// OBSOLETE   vpc = SEM_NEXT_VPC (sem_arg, pc, 2);
// OBSOLETE 
// OBSOLETE   {
// OBSOLETE     SI opval = ADDSI (* FLD (i_Ri), FLD (f_u4));
// OBSOLETE     * FLD (i_Ri) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "gr", 'x', opval);
// OBSOLETE   }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE 
// OBSOLETE   CASE (sem, INSN_ADDN2) : /* addn2 $m4,$Ri */
// OBSOLETE {
// OBSOLETE   SEM_ARG sem_arg = SEM_SEM_ARG (vpc, sc);
// OBSOLETE   ARGBUF *abuf = SEM_ARGBUF (sem_arg);
// OBSOLETE #define FLD(f) abuf->fields.sfmt_add2.f
// OBSOLETE   int UNUSED written = 0;
// OBSOLETE   IADDR UNUSED pc = abuf->addr;
// OBSOLETE   vpc = SEM_NEXT_VPC (sem_arg, pc, 2);
// OBSOLETE 
// OBSOLETE   {
// OBSOLETE     SI opval = ADDSI (* FLD (i_Ri), FLD (f_m4));
// OBSOLETE     * FLD (i_Ri) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "gr", 'x', opval);
// OBSOLETE   }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE 
// OBSOLETE   CASE (sem, INSN_SUB) : /* sub $Rj,$Ri */
// OBSOLETE {
// OBSOLETE   SEM_ARG sem_arg = SEM_SEM_ARG (vpc, sc);
// OBSOLETE   ARGBUF *abuf = SEM_ARGBUF (sem_arg);
// OBSOLETE #define FLD(f) abuf->fields.sfmt_add.f
// OBSOLETE   int UNUSED written = 0;
// OBSOLETE   IADDR UNUSED pc = abuf->addr;
// OBSOLETE   vpc = SEM_NEXT_VPC (sem_arg, pc, 2);
// OBSOLETE 
// OBSOLETE {
// OBSOLETE   {
// OBSOLETE     BI opval = SUBOFSI (* FLD (i_Ri), * FLD (i_Rj), 0);
// OBSOLETE     CPU (h_vbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "vbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     BI opval = SUBCFSI (* FLD (i_Ri), * FLD (i_Rj), 0);
// OBSOLETE     CPU (h_cbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "cbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     SI opval = SUBSI (* FLD (i_Ri), * FLD (i_Rj));
// OBSOLETE     * FLD (i_Ri) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "gr", 'x', opval);
// OBSOLETE   }
// OBSOLETE {
// OBSOLETE   {
// OBSOLETE     BI opval = EQSI (* FLD (i_Ri), 0);
// OBSOLETE     CPU (h_zbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "zbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE   {
// OBSOLETE     BI opval = LTSI (* FLD (i_Ri), 0);
// OBSOLETE     CPU (h_nbit) = opval;
// OBSOLETE     TRACE_RESULT (current_cpu, abuf, "nbit", 'x', opval);
// OBSOLETE   }
// OBSOLETE }
// OBSOLETE }
// OBSOLETE 
// OBSOLETE #undef FLD
// OBSOLETE }
// OBSOLETE   NEXT (vpc);
// OBSOLETE