From: Andrew Cagney Date: Fri, 2 May 1997 05:31:34 +0000 (+0000) Subject: o Add core and event objects into simulator X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d9b75947387d9868a041a3472649754f68f62358;p=binutils-gdb.git o Add core and event objects into simulator base type o Add preliminary tracing support for same o trace_printf() takes both SD and CPU arguments o Add CIA to standard set of parameters for generated functions. o Pacify GCC --- diff --git a/sim/tic80/ChangeLog b/sim/tic80/ChangeLog index 3544d794429..99ea8719fdf 100644 --- a/sim/tic80/ChangeLog +++ b/sim/tic80/ChangeLog @@ -1,3 +1,22 @@ +Fri May 2 14:57:14 1997 Andrew Cagney + + * sim-calls.c: Include sim-utils.h and sim-options.h. + + * sim-main.h (sim_state): Drop sim_events and sim_core members, + moved to simulator base type. + + * alu.h (IMEM, MEM, STORE): Update track changes in common + directory. + + * insns: Drop cia argument from functions, igen now handles this. + + * interp.c (engine_init): Include string.h/strings.h to define + memset et.al. + + * sim-main.h (sim_cia): Delcare, tracking common dir changes. + + * cpu.h (sim_cpu): Update instruction_address with sim_cia. + Wed Apr 30 11:26:56 1997 Andrew Cagney * sim-main.h (signal.h): Include so that SIG* available to all diff --git a/sim/tic80/alu.h b/sim/tic80/alu.h index 5b44cad4dc9..7312f60fe2b 100644 --- a/sim/tic80/alu.h +++ b/sim/tic80/alu.h @@ -15,14 +15,20 @@ /* Bring data in from the cold */ -#define IMEM(EA) sim_core_read_4(sd, sim_core_execute_map, (EA)) +#define IMEM(EA) \ +(sim_core_read_4(sd, sim_core_execute_map, (EA), \ + STATE_CPU (sd, 0), cia)) #define MEM(SIGN, EA, NR_BYTES) \ -((SIGN##_##NR_BYTES) sim_core_read_##NR_BYTES (SD, sim_core_read_map, (EA) & ~(NR_BYTES - 1))) +((SIGN##_##NR_BYTES) sim_core_read_##NR_BYTES (SD, sim_core_read_map, \ + (EA) & ~(NR_BYTES - 1), \ + STATE_CPU (sd, 0), cia)) #define STORE(EA, NR_BYTES, VAL) \ do { \ - sim_core_write_##NR_BYTES (SD, sim_core_write_map, (EA) & ~(NR_BYTES - 1), (VAL)); \ + sim_core_write_##NR_BYTES (SD, sim_core_write_map, \ + (EA) & ~(NR_BYTES - 1), (VAL), \ + STATE_CPU (sd, 0), cia); \ } while (0) diff --git a/sim/tic80/cpu.h b/sim/tic80/cpu.h index b7d797fd141..9e81980e29c 100644 --- a/sim/tic80/cpu.h +++ b/sim/tic80/cpu.h @@ -20,12 +20,12 @@ with this program; if not, write to the Free Software Foundation, Inc., -typedef struct _sim_cpu { +struct _sim_cpu { unsigned32 reg[32]; unsigned64 acc[4]; - instruction_address cia; + sim_cia cia; sim_cpu_base base; -} sim_cpu; +}; #define GPR(N) ((CPU)->reg[N]) #define ACC(N) ((CPU)->acc[N]) diff --git a/sim/tic80/insns b/sim/tic80/insns index e8f7077d3ae..71a0e8fbba5 100644 --- a/sim/tic80/insns +++ b/sim/tic80/insns @@ -75,7 +75,7 @@ void::function::do_and:signed32 *rDest, signed32 Source1, signed32 Source2 // bbo.[a] -instruction_address::function::do_bbo:instruction_address cia, instruction_address nia, int bitnum, unsigned32 source, int annul, unsigned32 offset +instruction_address::function::do_bbo:instruction_address nia, int bitnum, unsigned32 source, int annul, unsigned32 offset if (MASKED32 (source, bitnum, bitnum)) { if (annul) @@ -84,16 +84,16 @@ instruction_address::function::do_bbo:instruction_address cia, instruction_addre } return nia; 31.BITNUM,26.Source,21.0b100101,15.A,14.SignedOffset::::bbo i - nia = do_bbo (_SD, cia, nia, BITNUM, rSource, A, vSignedOffset); + nia = do_bbo (_SD, nia, BITNUM, rSource, A, vSignedOffset); 31.BITNUM,26.Source,21.0b11100101,13.A,12.0,11./,4.IndOff::::bbo r - nia = do_bbo (_SD, cia, nia, BITNUM, rSource, A, rIndOff); + nia = do_bbo (_SD, nia, BITNUM, rSource, A, rIndOff); 31.BITNUM,26.Source,21.0b11100101,13.A,12.1,11./::::bbo l long_immediate (LongSignedImmediate); - nia = do_bbo (_SD, cia, nia, BITNUM, rSource, A, LongSignedImmediate); + nia = do_bbo (_SD, nia, BITNUM, rSource, A, LongSignedImmediate); // bbz[.a] -instruction_address::function::do_bbz:instruction_address cia, instruction_address nia, int bitnum, unsigned32 source, int annul, unsigned32 offset +instruction_address::function::do_bbz:instruction_address nia, int bitnum, unsigned32 source, int annul, unsigned32 offset if (!MASKED32 (source, bitnum, bitnum)) { if (annul) @@ -102,16 +102,16 @@ instruction_address::function::do_bbz:instruction_address cia, instruction_addre } return nia; 31.BITNUM,26.Source,21.0b100100,15.A,14.SignedOffset::::bbz i - nia = do_bbz (_SD, cia, nia, BITNUM, rSource, A, vSignedOffset); + nia = do_bbz (_SD, nia, BITNUM, rSource, A, vSignedOffset); 31.BITNUM,26.Source,21.0b11100100,13.A,12.0,11./,4.IndOff::::bbz r - nia = do_bbz (_SD, cia, nia, BITNUM, rSource, A, rIndOff); + nia = do_bbz (_SD, nia, BITNUM, rSource, A, rIndOff); 31.BITNUM,26.Source,21.0b11100100,13.A,12.1,11./::::bbz l long_immediate (LongSignedImmediate); - nia = do_bbz (_SD, cia, nia, BITNUM, rSource, A, LongSignedImmediate); + nia = do_bbz (_SD, nia, BITNUM, rSource, A, LongSignedImmediate); // bcnd[.a] -instruction_address::function::do_bcnd:instruction_address cia, instruction_address nia, int Cond, unsigned32 source, int annul, unsigned32 offset +instruction_address::function::do_bcnd:instruction_address nia, int Cond, unsigned32 source, int annul, unsigned32 offset int condition; int size = EXTRACTED32 (Cond, 31 - 27, 30 - 27); int code = EXTRACTED32 (Cond, 29 - 27, 27 - 27); @@ -142,12 +142,12 @@ instruction_address::function::do_bcnd:instruction_address cia, instruction_addr } return nia; 31.Code,26.Source,21.0b100110,15.A,14.SignedOffset::::bcnd i - nia = do_bcnd (_SD, cia, nia, Code, rSource, A, vSignedOffset); + nia = do_bcnd (_SD, nia, Code, rSource, A, vSignedOffset); 31.Code,26.Source,21.0b11100110,13.A,12.0,11./,4.IndOff::::bcnd r - nia = do_bcnd (_SD, cia, nia, Code, rSource, A, rIndOff); + nia = do_bcnd (_SD, nia, Code, rSource, A, rIndOff); 31.Code,26.Source,21.0b11100110,13.A,12.1,11./::::bcnd l long_immediate (LongSignedImmediate); - nia = do_bcnd (_SD, cia, nia, Code, rSource, A, LongSignedImmediate); + nia = do_bcnd (_SD, nia, Code, rSource, A, LongSignedImmediate); // br[.a] - see bbz[.a] @@ -165,7 +165,7 @@ instruction_address::function::do_bcnd:instruction_address cia, instruction_addr // bsr[.a] -instruction_address::function::do_bsr:instruction_address cia, instruction_address nia, signed32 *rLink, int annul, unsigned32 offset +instruction_address::function::do_bsr:instruction_address nia, signed32 *rLink, int annul, unsigned32 offset if (annul) { *rLink = nia.ip; @@ -176,12 +176,12 @@ instruction_address::function::do_bsr:instruction_address cia, instruction_addre nia.dp = cia.ip + 4 * offset; return nia; 31.Link,26./,21.0b100000,15.A,14.SignedOffset::::bsr i - nia = do_bsr (_SD, cia, nia, rLink, A, vSignedOffset); + nia = do_bsr (_SD, nia, rLink, A, vSignedOffset); 31.Link,26./,21.0b11100000,13.A,12.0,11./,4.IndOff::::bsr r - nia = do_bsr (_SD, cia, nia, rLink, A, rIndOff); + nia = do_bsr (_SD, nia, rLink, A, rIndOff); 31.Link,26./,21.0b11100000,13.A,12.1,11./::::bsr l long_immediate (LongSignedImmediate); - nia = do_bsr (_SD, cia, nia, rLink, A, LongSignedImmediate); + nia = do_bsr (_SD, nia, rLink, A, LongSignedImmediate); // cmnd @@ -236,33 +236,33 @@ void::function::do_cmp:unsigned32 *rDest, unsigned32 Source1, unsigned32 Source2 // dld[{.b|.h|.d}] -void::function::do_dld:instruction_address cia, int Dest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset - do_ld (_SD, cia, Dest, Base, rBase, m, sz, S, Offset); +void::function::do_dld:int Dest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset + do_ld (_SD, Dest, Base, rBase, m, sz, S, Offset); 31.Dest,26.Base,21.0b110100,15.m,14.sz,12.0,11.S,10.1,9./,4.IndOff::::dld r - do_dld (_SD, cia, Dest, rBase, &GPR(Base), m, sz, S, rIndOff); + do_dld (_SD, Dest, rBase, &GPR(Base), m, sz, S, rIndOff); 31.Dest,26.Base,21.0b110100,15.m,14.sz,12.1,11.S,10.1,9./::::dld l long_immediate (LongSignedImmediateOffset); - do_dld (_SD, cia, Dest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); + do_dld (_SD, Dest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); // dld.u[{.b|.h|.d}] -void::function::do_dld_u:instruction_address cia, unsigned32 *rDest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset - do_ld_u (_SD, cia, rDest, Base, rBase, m, sz, S, Offset); +void::function::do_dld_u:unsigned32 *rDest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset + do_ld_u (_SD, rDest, Base, rBase, m, sz, S, Offset); 31.Dest,26.Base,21.0b110101,15.m,14.sz,12.0,11.S,10.1,9./,4.IndOff::::dld.u r - do_dld_u (_SD, cia, rDest, rBase, &GPR(Base), m, sz, S, rIndOff); + do_dld_u (_SD, rDest, rBase, &GPR(Base), m, sz, S, rIndOff); 31.Dest,26.Base,21.0b110101,15.m,14.sz,12.1,11.S,10.1,9./::::dld.u l long_immediate (LongSignedImmediateOffset); - do_dld_u (_SD, cia, rDest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); + do_dld_u (_SD, rDest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); // dst[{.b|.h|.d}] -void::function::do_dst:instruction_address cia, int Source, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset - do_st (_SD, cia, Source, Base, rBase, m, sz, S, Offset); +void::function::do_dst:int Source, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset + do_st (_SD, Source, Base, rBase, m, sz, S, Offset); 31.Source,26.Base,21.0b110110,15.m,14.sz,12.0,11.S,10.1,9./,4.IndOff::::dst r - do_dst (_SD, cia, Source, rBase, &GPR(Base), m, sz, S, rIndOff); + do_dst (_SD, Source, rBase, &GPR(Base), m, sz, S, rIndOff); 31.Source,26.Base,21.0b110110,15.m,14.sz,12.1,11.S,10.1,9./::::dst l long_immediate (LongSignedImmediateOffset); - do_dst (_SD, cia, Source, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); + do_dst (_SD, Source, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); // estop @@ -380,7 +380,7 @@ void::function::do_dst:instruction_address cia, int Source, unsigned32 Base, uns // jsr[.a] -instruction_address::function::do_jsr:instruction_address cia, instruction_address nia, signed32 *rLink, int annul, unsigned32 offset, unsigned32 base +instruction_address::function::do_jsr:instruction_address nia, signed32 *rLink, int annul, unsigned32 offset, unsigned32 base if (annul) { *rLink = nia.ip; @@ -394,16 +394,16 @@ instruction_address::function::do_jsr:instruction_address cia, instruction_addre (unsigned long) nia.dp); return nia; 31.Link,26.Base,21.0b100010,15.A,14.SignedOffset::::jsr i - nia = do_jsr (_SD, cia, nia, rLink, A, vSignedOffset, rBase); + nia = do_jsr (_SD, nia, rLink, A, vSignedOffset, rBase); 31.Link,26.Base,21.0b11100010,13.A,12.0,11./,4.Source1::::jsr r - nia = do_jsr (_SD, cia, nia, rLink, A, rSource1, rBase); + nia = do_jsr (_SD, nia, rLink, A, rSource1, rBase); 31.Link,26.Base,21.0b11100010,13.A,12.1,11./::::jsr l long_immediate (LongSignedImmediate); - nia = do_jsr (_SD, cia, nia, rLink, A, LongSignedImmediate, rBase); + nia = do_jsr (_SD, nia, rLink, A, LongSignedImmediate, rBase); // ld[{.b.h.d}] -void::function::do_ld:instruction_address cia, int Dest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset +void::function::do_ld:int Dest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset unsigned32 addr; switch (sz) { @@ -439,16 +439,16 @@ void::function::do_ld:instruction_address cia, int Dest, unsigned32 Base, unsign engine_error (SD, CPU, cia, "ld - invalid sz %d", sz); } 31.Dest,26.Base,21.0b0100,17.m,16.sz,14.SignedOffset::::ld i - do_ld (_SD, cia, Dest, rBase, &GPR(Base), m, sz, 0, vSignedOffset); + do_ld (_SD, Dest, rBase, &GPR(Base), m, sz, 0, vSignedOffset); 31.Dest,26.Base,21.0b110100,15.m,14.sz,12.0,11.S,10.0,9./,4.IndOff::::ld r - do_ld (_SD, cia, Dest, rBase, &GPR(Base), m, sz, S, rIndOff); + do_ld (_SD, Dest, rBase, &GPR(Base), m, sz, S, rIndOff); 31.Dest,26.Base,21.0b110100,15.m,14.sz,12.1,11.S,10.0,9./::::ld l long_immediate (LongSignedImmediateOffset); - do_ld (_SD, cia, Dest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); + do_ld (_SD, Dest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); // ld.u[{.b.h.d}] -void::function::do_ld_u:instruction_address cia, unsigned32 *rDest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset +void::function::do_ld_u:unsigned32 *rDest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset unsigned32 addr; switch (sz) { @@ -467,12 +467,12 @@ void::function::do_ld_u:instruction_address cia, unsigned32 *rDest, unsigned32 B if (m) *rBase = addr; 31.Dest,26.Base,21.0b0101,17.m,16.sz,14.SignedOffset::::ld.u i - do_ld_u (_SD, cia, rDest, rBase, &GPR(Base), m, sz, 0, vSignedOffset); + do_ld_u (_SD, rDest, rBase, &GPR(Base), m, sz, 0, vSignedOffset); 31.Dest,26.Base,21.0b110101,15.m,14.sz,12.0,11.S,10.0,9./,4.IndOff::::ld.u r - do_ld_u (_SD, cia, rDest, rBase, &GPR(Base), m, sz, S, rIndOff); + do_ld_u (_SD, rDest, rBase, &GPR(Base), m, sz, S, rIndOff); 31.Dest,26.Base,21.0b110101,15.m,14.sz,12.1,11.S,10.0,9./::::ld.u l long_immediate (LongSignedImmediateOffset); - do_ld_u (_SD, cia, rDest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); + do_ld_u (_SD, rDest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); // lmo @@ -527,16 +527,16 @@ void::function::do_or:unsigned32 *rDest, unsigned32 Source1, unsigned32 Source2 // rdcr -void::function::do_rdcr:instruction_address cia, unsigned32 Dest, int cr +void::function::do_rdcr:unsigned32 Dest, int cr if (Dest != 0) engine_error (SD, CPU, cia, "rdcr unimplement"); 31.Dest,26.0,21.0b0000100,14.UCRN::::rdcr i - do_rdcr (_SD, cia, Dest, UCRN); + do_rdcr (_SD, Dest, UCRN); 31.Dest,26.0,21.0b110000100,12.0,11./,4.INDCR::::rdcr r - do_rdcr (_SD, cia, Dest, UCRN); + do_rdcr (_SD, Dest, UCRN); 31.Dest,26.0,21.0b110000100,12.1,11./::::rdcr l long_immediate (UnsignedControlRegisterNumber); - do_rdcr (_SD, cia, Dest, UnsignedControlRegisterNumber); + do_rdcr (_SD, Dest, UnsignedControlRegisterNumber); // rmo @@ -553,7 +553,7 @@ void::function::do_rdcr:instruction_address cia, unsigned32 Dest, int cr // sl.{d|e|i}{m|s|z} -void::function::do_shift:instruction_address cia, int Dest, int Source, int Merge, int i, int n, int EndMask, int Rotate +void::function::do_shift:int Dest, int Source, int Merge, int i, int n, int EndMask, int Rotate /* see 10-30 for a reasonable description */ unsigned32 rotated; unsigned32 endmask; @@ -624,7 +624,7 @@ void::function::do_shift:instruction_address cia, int Dest, int Source, int Merg } 31.Dest,26.Source,21.0b0001,17.Merge,14./,11.i,10.n,9.EndMask,4.Rotate::::sl i - do_shift (_SD, cia, Dest, Source, Merge, i, n, EndMask, Rotate); + do_shift (_SD, Dest, Source, Merge, i, n, EndMask, Rotate); 31.Dest,26.Source,21.0b110001,15.Merge,12.0,11.i,10.n,9.EndMask,4.RotReg::::sl r int endmask; if (EndMask == 0) @@ -637,7 +637,7 @@ void::function::do_shift:instruction_address cia, int Dest, int Source, int Merg cia.ip, Source); endmask = GPR (Source + 1) & 31; } - do_shift (_SD, cia, Dest, Source, Merge, i, n, endmask, GPR (RotReg) & 31); + do_shift (_SD, Dest, Source, Merge, i, n, endmask, GPR (RotReg) & 31); // sli.{d|e|i}{m|s|z} @@ -662,7 +662,7 @@ void::function::do_shift:instruction_address cia, int Dest, int Source, int Merg // st[{.b|.h|.d}] -void::function::do_st:instruction_address cia, int Source, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset +void::function::do_st:int Source, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset unsigned32 addr; switch (sz) { @@ -692,12 +692,12 @@ void::function::do_st:instruction_address cia, int Source, unsigned32 Base, unsi if (m) *rBase = addr; 31.Source,26.Base,21.0b0110,17.m,16.sz,14.SignedOffset::::st i - do_st (_SD, cia, Source, rBase, &GPR(Base), m, sz, 0, vSignedOffset); + do_st (_SD, Source, rBase, &GPR(Base), m, sz, 0, vSignedOffset); 31.Source,26.Base,21.0b110110,15.m,14.sz,12.0,11.S,10.0,9./,4.IndOff::::st r - do_st (_SD, cia, Source, rBase, &GPR(Base), m, sz, S, rIndOff); + do_st (_SD, Source, rBase, &GPR(Base), m, sz, S, rIndOff); 31.Source,26.Base,21.0b110110,15.m,14.sz,12.1,11.S,10.0,9./::::st l long_immediate (LongSignedImmediateOffset); - do_st (_SD, cia, Source, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); + do_st (_SD, Source, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset); // sub @@ -738,7 +738,7 @@ void::function::do_subu:signed32 *rDest, signed32 Source1, signed32 Source2 // trap -void::function::do_trap:instruction_address cia, unsigned32 trap_number +void::function::do_trap:unsigned32 trap_number switch (trap_number) { case 72: @@ -779,12 +779,12 @@ void::function::do_trap:instruction_address cia, unsigned32 trap_number (unsigned long) cia.ip, trap_number); } 31./,27.0,26./,21.0b0000001,14.UTN::::trap i - do_trap (_SD, cia, UTN); + do_trap (_SD, UTN); 31./,27.0,26./,21.0b110000001,12.0,11./,4.INDTR::::trap r - do_trap (_SD, cia, UTN); + do_trap (_SD, UTN); 31./,27.0,26./,21.0b110000001,12.1,11./::::trap l long_immediate (UTN); - do_trap (_SD, cia, UTN); + do_trap (_SD, UTN); // vadd.{s|d}{s|d} diff --git a/sim/tic80/interp.c b/sim/tic80/interp.c index 1ab47cfdf7e..304fe7336cc 100644 --- a/sim/tic80/interp.c +++ b/sim/tic80/interp.c @@ -27,6 +27,14 @@ #include +#ifdef HAVE_STRING_H +#include +#else +#ifdef HAVE_STRINGS_H +#include +#endif +#endif + void engine_init (SIM_DESC sd) { diff --git a/sim/tic80/sim-calls.c b/sim/tic80/sim-calls.c index 83d19484ab8..438979c9de7 100644 --- a/sim/tic80/sim-calls.c +++ b/sim/tic80/sim-calls.c @@ -26,7 +26,8 @@ #include "bfd.h" #include "sim-main.h" - +#include "sim-utils.h" +#include "sim-options.h" #ifdef HAVE_STDLIB_H #include @@ -51,10 +52,6 @@ struct sim_state simulation = { 0 }; SIM_DESC sim_open (SIM_OPEN_KIND kind, char **argv) { - /*FIXME - later make these configurable */ - static void *eit_ram; - static int sizeof_eit_ram = 0x1000; - STATE_OPEN_KIND (&simulation) = kind; /* establish the simulator configuration */ diff --git a/sim/tic80/sim-main.h b/sim/tic80/sim-main.h index a01ad426492..fc78cb37608 100644 --- a/sim/tic80/sim-main.h +++ b/sim/tic80/sim-main.h @@ -24,32 +24,26 @@ #define _SIM_MAIN_H_ #include "sim-basics.h" -#include "sim-inline.h" -#include "sim-types.h" -#include "sim-bits.h" -#include "sim-endian.h" + +#include /* These are generated files. */ #include "itable.h" #include "idecode.h" #include "idecode.h" +typedef instruction_address sim_cia; +static const sim_cia null_cia = {0}; /* Dummy */ +#define NULL_CIA null_cia + +#include "sim-base.h" + #include "cpu.h" #include "alu.h" -#include "sim-core.h" -#include "sim-events.h" -#include "sim-io.h" - struct sim_state { - /* real time */ - sim_events events; - - /* memory and IO */ - sim_core core; - /* escape route for inner functions */ int halt_ok; jmp_buf path_to_halt;