Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
* interp.c (sim_monitor): Improved monitor printf simulation. Tidied up simulator warnings, and added "--log" option for directing warning message output. * gencode.c: Use sim_warning() rather than WARNING macro.
This commit is contained in:
Jackie Smith Cashion
parent
9d879ade50
commit
f24b7b69ee
3 changed files with 284 additions and 62 deletions
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@ -1,3 +1,35 @@
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Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
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* interp.c (sim_monitor): Improved monitor printf
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simulation. Tidied up simulator warnings, and added "--log" option
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for directing warning message output.
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* gencode.c: Use sim_warning() rather than WARNING macro.
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Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
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* Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
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getopt1.o, rather than on gencode.c. Link objects together.
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Don't link against -liberty.
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(gencode.o, getopt.o, getopt1.o): New targets.
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* gencode.c: Include <ctype.h> and "ansidecl.h".
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(AND): Undefine after including "ansidecl.h".
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(ULONG_MAX): Define if not defined.
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(OP_*): Don't define macros; now defined in opcode/mips.h.
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(main): Call my_strtoul rather than strtoul.
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(my_strtoul): New static function.
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Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
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* gencode.c (process_instructions): Generate word64 and uword64
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instead of `long long' and `unsigned long long' data types.
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* interp.c: #include sysdep.h to get signals, and define default
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for SIGBUS.
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* (Convert): Work around for Visual-C++ compiler bug with type
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conversion.
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* support.h: Make things compile under Visual-C++ by using
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__int64 instead of `long long'. Change many refs to long long
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into word64/uword64 typedefs.
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Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
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* Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
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@ -948,7 +948,7 @@ process_instructions(doarch,features)
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ensure that the following opcode processing is not
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executed. i.e. the code falls straight out to the simulator
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control loop. */
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printf(" WARNING(\"Instruction has lo-order offset bits set in instruction\");\n");
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printf(" sim_warning(\"Instruction has lo-order offset bits set in instruction\");\n");
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printf(" }\n");
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}
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#endif
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@ -1162,7 +1162,7 @@ process_instructions(doarch,features)
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else {
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if (features & FEATURE_WARN_LOHI) {
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printf(" if (%sACCESS != 0)\n",regname);
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printf(" WARNING(\"MT (move-to) over-writing %s register value\");\n",regname);
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printf(" sim_warning(\"MT (move-to) over-writing %s register value\");\n",regname);
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}
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printf(" %s = op1;\n",regname);
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}
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@ -1273,7 +1273,7 @@ process_instructions(doarch,features)
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if (features & FEATURE_WARN_RESULT) {
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/* Give user a warning if either op1 or op2 are not 16bit signed integers */
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printf(" if (NOTHALFWORDVALUE(op1) || NOTHALFWORDVALUE(op2))\n");
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printf(" WARNING(\"MADD16 operation with non-16bit operands\");\n");
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printf(" sim_warning(\"MADD16 operation with non-16bit operands\");\n");
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}
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printf(" {\n");
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printf(" uword64 temp = (op1 * op2);\n"); /* 16x16 multiply */
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@ -1340,7 +1340,7 @@ process_instructions(doarch,features)
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if (MIPS_DECODE[loop].flags & LINK) {
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if (features & FEATURE_WARN_R31) {
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printf(" if (((instruction >> %d) & 0x%08X) == 31)\n",OP_SH_RS,OP_MASK_RS);
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printf(" WARNING(\"Branch with link using r31 as source operand\");\n");
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printf(" sim_warning(\"Branch with link using r31 as source operand\");\n");
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}
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printf(" GPR[31] = (PC + 4); /* NOTE: PC is already 8 ahead */\n");
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}
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@ -68,6 +68,12 @@ code on the hardware.
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#include "support.h" /* internal support manifests */
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#include "sysdep.h"
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#ifndef SIGBUS
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#define SIGBUS SIGSEGV
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#endif
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/* Get the simulator engine description, without including the code: */
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#define SIM_MANIFESTS
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#include "engine.c"
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@ -169,10 +175,6 @@ typedef enum {
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static host_callback *callback = NULL; /* handle onto the current callback structure */
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/* The warning system should be improved, to allow more information to
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be passed about the cause: */
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#define WARNING(m) { callback->printf_filtered(callback,"SIM Warning: %s\n",(m)); }
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/* This is nasty, since we have to rely on matching the register
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numbers used by GDB. Unfortunately, depending on the MIPS target
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GDB uses different register numbers. We cannot just include the
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@ -322,18 +324,18 @@ static ut_reg pending_slot_value[PSLOTS];
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/* The following are not used for MIPS IV onwards: */
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#define PENDING_FILL(r,v) {\
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printf("DBG: FILL BEFORE pending_in = %d, pending_out = %d, pending_total = %d\n",pending_in,pending_out,pending_total);\
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/* printf("DBG: FILL BEFORE pending_in = %d, pending_out = %d, pending_total = %d\n",pending_in,pending_out,pending_total); */\
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if (pending_slot_reg[pending_in] != (LAST_EMBED_REGNUM + 1))\
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callback->printf_filtered(callback,"SIM Warning: Attempt to over-write pending value\n");\
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sim_warning("Attempt to over-write pending value");\
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pending_slot_count[pending_in] = 2;\
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pending_slot_reg[pending_in] = (r);\
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pending_slot_value[pending_in] = (uword64)(v);\
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printf("DBG: FILL reg %d value = 0x%08X%08X\n",(r),WORD64HI(v),WORD64LO(v));\
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/*printf("DBG: FILL reg %d value = 0x%08X%08X\n",(r),WORD64HI(v),WORD64LO(v));*/\
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pending_total++;\
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pending_in++;\
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if (pending_in == PSLOTS)\
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pending_in = 0;\
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printf("DBG: FILL AFTER pending_in = %d, pending_out = %d, pending_total = %d\n",pending_in,pending_out,pending_total);\
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/*printf("DBG: FILL AFTER pending_in = %d, pending_out = %d, pending_total = %d\n",pending_in,pending_out,pending_total);*/\
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}
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static int LLBIT = 0;
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@ -349,17 +351,20 @@ static int LOACCESS = 0;
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/* The HIACCESS and LOACCESS counts are used to ensure that
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corruptions caused by using the HI or LO register to close to a
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following operation are spotted. */
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static ut_reg HLPC = 0;
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/* TODO: The 4300 has interlocks so we should not need to warn of the possible over-write (CHECK THIS) */
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/* If either of the preceding two instructions have accessed the HI or
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LO registers, then the values they see should be
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undefined. However, to keep the simulator world simple, we just let
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them use the value read and raise a warning to notify the user: */
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#define CHECKHILO(s) {\
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if ((HIACCESS != 0) || (LOACCESS != 0))\
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callback->printf_filtered(callback,"SIM Warning: %s over-writing HI and LO registers values\n",(s));\
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sim_warning("%s over-writing HI and LO registers values (PC = 0x%08X%08X HLPC = 0x%08X%08X)\n",(s),(unsigned int)(PC>>32),(unsigned int)(PC&0xFFFFFFFF),(unsigned int)(HLPC>>32),(unsigned int)(HLPC&0xFFFFFFFF));\
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/* Set the access counts, since we are about\
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to update the HI and LO registers: */\
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HIACCESS = LOACCESS = 3; /* 3rd instruction will be safe */\
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HLPC = PC;\
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}
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/* NOTE: We keep the following status flags as bit values (1 for true,
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@ -424,7 +429,8 @@ static unsigned int state = 0;
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static unsigned int rcexit = 0; /* _exit() reason code holder */
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#define DELAYSLOT() {\
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if (state & simDELAYSLOT) callback->printf_filtered(callback,"SIM Warning: Delay slot already activated (branch in delay slot?)\n");\
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if (state & simDELAYSLOT)\
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sim_warning("Delay slot already activated (branch in delay slot?)");\
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state |= simDELAYSLOT;\
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}
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@ -448,6 +454,9 @@ static unsigned char *monitor = NULL;
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static ut_reg monitor_base = 0xBFC00000;
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static unsigned monitor_size = (1 << 11); /* power-of-2 */
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static char *logfile = NULL; /* logging disabled by default */
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static FILE *logfh = NULL;
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#if defined(TRACE)
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static char *tracefile = "trace.din"; /* default filename for trace log */
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static FILE *tracefh = NULL;
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@ -480,6 +489,7 @@ static fnptr_swap_long host_swap_long;
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/*---------------------------------------------------------------------------*/
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static void dotrace PARAMS((FILE *tracefh,int type,unsigned int address,int width,char *comment,...));
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static void sim_warning PARAMS((char *fmt,...));
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extern void sim_error PARAMS((char *fmt,...));
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static void ColdReset PARAMS((void));
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static int AddressTranslation PARAMS((uword64 vAddr,int IorD,int LorS,uword64 *pAddr,int *CCA,int host,int raw));
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@ -573,6 +583,7 @@ sim_open (args)
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int argc;
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static struct option cmdline[] = {
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{"help", 0,0,'h'},
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{"log", 1,0,'l'},
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{"name", 1,0,'n'},
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{"profile", 0,0,'p'},
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{"size", 1,0,'s'},
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@ -611,7 +622,7 @@ sim_open (args)
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switch (c) {
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case 'h':
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callback->printf_filtered(callback,"Usage:\n\t\
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target sim [-h] [--name=<model>] [--size=<amount>]");
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target sim [-h] [--log=<file>] [--name=<model>] [--size=<amount>]");
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#if defined(TRACE)
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callback->printf_filtered(callback," [-t [--tracefile=<name>]]");
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#endif /* TRACE */
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@ -621,6 +632,19 @@ target sim [-h] [--name=<model>] [--size=<amount>]");
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callback->printf_filtered(callback,"\n");
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break;
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case 'l':
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if (optarg != NULL) {
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char *tmp;
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tmp = (char *)malloc(strlen(optarg) + 1);
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if (tmp == NULL)
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callback->printf_filtered(callback,"Failed to allocate buffer for logfile name \"%s\"\n",optarg);
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else {
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strcpy(tmp,optarg);
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logfile = tmp;
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}
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}
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break;
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case 'n':
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callback->printf_filtered(callback,"Explicit model selection not yet available (Ignoring \"%s\")\n",optarg);
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break;
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@ -688,16 +712,30 @@ Re-compile simulator with \"-DPROFILE\" to enable this option.\n");
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}
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}
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#if 0
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if (optind < argc) {
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callback->printf_filtered(callback,"Warning: Ignoring spurious non-option arguments ");
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while (optind < argc)
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callback->printf_filtered(callback,"\"%s\" ",argv[optind++]);
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callback->printf_filtered(callback,"\n");
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}
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#endif
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freeargv(argv);
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}
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if (logfile != NULL) {
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if (strcmp(logfile,"-") == 0)
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logfh = stdout;
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else {
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logfh = fopen(logfile,"wb+");
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if (logfh == NULL) {
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callback->printf_filtered(callback,"Failed to create file \"%s\", writing log information to stderr.\n",tracefile);
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logfh = stderr;
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}
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}
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}
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/* If the host has "mmap" available we could use it to provide a
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very large virtual address space for the simulator, since memory
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would only be allocated within the "mmap" space as it is
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@ -772,7 +810,7 @@ Re-compile simulator with \"-DPROFILE\" to enable this option.\n");
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if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&cca,isTARGET,isRAW))
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StoreMemory(cca,AccessLength_WORD,value,paddr,vaddr,isRAW);
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else
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callback->printf_filtered(callback,"Failed to write to monitor space 0x%08X%08X\n",WORD64HI(vaddr),WORD64LO(vaddr));
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sim_error("Failed to write to monitor space 0x%08X%08X",WORD64HI(vaddr),WORD64LO(vaddr));
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}
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}
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@ -780,7 +818,7 @@ Re-compile simulator with \"-DPROFILE\" to enable this option.\n");
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if (state & simTRACE) {
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tracefh = fopen(tracefile,"wb+");
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if (tracefh == NULL) {
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callback->printf_filtered(callback,"Failed to create file \"%s\", writing trace information to stderr.\n",tracefile);
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sim_warning("Failed to create file \"%s\", writing trace information to stderr.",tracefile);
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tracefh = stderr;
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}
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}
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@ -815,7 +853,7 @@ writeout32(fh,val)
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buff[3] = ((val >> 24) & 0xFF);
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}
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if (fwrite(buff,4,1,fh) != 1) {
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callback->printf_filtered(callback,"Failed to write 4bytes to the profile file\n");
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sim_warning("Failed to write 4bytes to the profile file");
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res = 0;
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}
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return(res);
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@ -836,7 +874,7 @@ writeout16(fh,val)
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buff[1] = ((val >> 8) & 0xFF);
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}
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if (fwrite(buff,2,1,fh) != 1) {
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callback->printf_filtered(callback,"Failed to write 2bytes to the profile file\n");
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sim_warning("Failed to write 2bytes to the profile file");
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res = 0;
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}
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return(res);
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@ -864,7 +902,7 @@ sim_close (quitting)
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int loop;
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if (pf == NULL)
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callback->printf_filtered(callback,"Failed to open \"gmon.out\" profile file\n");
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sim_warning("Failed to open \"gmon.out\" profile file");
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else {
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int ok;
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#ifdef DEBUG
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@ -900,6 +938,10 @@ sim_close (quitting)
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state &= ~simTRACE;
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#endif /* TRACE */
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if (logfh != NULL && logfh != stdout && logfh != stderr)
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fclose(logfh);
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logfh = NULL;
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if (membank)
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free(membank); /* cfree not available on all hosts */
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membank = NULL;
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@ -1083,7 +1125,7 @@ sim_store_register (rn,memory)
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numbering one. We need to know what the width of each logical
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register number is for the architecture being simulated. */
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if (register_widths[rn] == 0)
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callback->printf_filtered(callback,"Warning: Invalid register width for %d (register store ignored)\n",rn);
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sim_warning("Invalid register width for %d (register store ignored)",rn);
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else {
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if (register_widths[rn] == 32)
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registers[rn] = host_read_word(memory);
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@ -1104,7 +1146,7 @@ sim_fetch_register (rn,memory)
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#endif /* DEBUG */
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if (register_widths[rn] == 0)
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callback->printf_filtered(callback,"Warning: Invalid register width for %d (register fetch ignored)\n",rn);
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sim_warning("Invalid register width for %d (register fetch ignored)",rn);
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else {
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if (register_widths[rn] == 32)
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*((unsigned int *)memory) = host_swap_word(registers[rn] & 0xFFFFFFFF);
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@ -1171,7 +1213,9 @@ sim_stop_reason (reason,sigrc)
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break;
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}
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} else if (state & simEXIT) {
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#if 0
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printf("DBG: simEXIT (%d)\n",rcexit);
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#endif
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*reason = sim_exited;
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*sigrc = rcexit;
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} else { /* assume single-stepping */
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@ -1253,8 +1297,8 @@ sim_create_inferior (start_address,argv,env)
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used by other clients of the simulator. */
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if (argv || env) {
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#if 0 /* def DEBUG */
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callback->printf_filtered(callback,"sim_create_inferior() : passed arguments ignored\n");
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#if 1 /* def DEBUG */
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{
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char **cptr;
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for (cptr = argv; (cptr && *cptr); cptr++)
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@ -1416,7 +1460,7 @@ sim_set_profile_size (n)
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else
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profile_hist = (unsigned short *)realloc(profile_hist,bsize);
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if (profile_hist == NULL) {
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callback->printf_filtered(callback,"Failed to allocate VM for profiling buffer (0x%08X bytes)\n",bsize);
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sim_warning("Failed to allocate VM for profiling buffer (0x%08X bytes)",bsize);
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state &= ~simPROFILE;
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}
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}
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@ -1431,6 +1475,10 @@ sim_size(newsize)
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{
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char *new;
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/* Used by "run", and internally, to set the simulated memory size */
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if (newsize == 0) {
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callback->printf_filtered(callback,"Zero not valid: Memory size still 0x%08X bytes\n",membank_size);
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return;
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}
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newsize = power2(newsize);
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if (membank == NULL)
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new = (char *)calloc(64,(membank_size / 64));
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@ -1438,13 +1486,12 @@ sim_size(newsize)
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new = (char *)realloc(membank,newsize);
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if (new == NULL) {
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if (membank == NULL)
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callback->printf_filtered(callback,"Not enough VM for simulation memory of 0x%08X bytes\n",membank_size);
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sim_error("Not enough VM for simulation memory of 0x%08X bytes",membank_size);
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else
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callback->printf_filtered(callback,"Failed to resize memory (still 0x%08X bytes)\n",membank_size);
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sim_warning("Failed to resize memory (still 0x%08X bytes)",membank_size);
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} else {
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membank_size = (unsigned)newsize;
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membank = new;
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callback->printf_filtered(callback,"Memory size now 0x%08X bytes\n",membank_size);
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#if defined(PROFILE)
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/* Ensure that we sample across the new memory range */
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sim_set_profile_size(profile_nsamples);
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@ -1504,7 +1551,7 @@ sim_monitor(reason)
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if (AddressTranslation(A0,isDATA,isLOAD,&paddr,&cca,isHOST,isREAL))
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V0 = callback->open(callback,(char *)((int)paddr),(int)A1);
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else
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callback->printf_filtered(callback,"WARNING: Attempt to pass pointer that does not reference simulated memory\n");
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sim_error("Attempt to pass pointer that does not reference simulated memory");
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}
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break;
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@ -1516,7 +1563,7 @@ sim_monitor(reason)
|
|||
if (AddressTranslation(A1,isDATA,isLOAD,&paddr,&cca,isHOST,isREAL))
|
||||
V0 = callback->read(callback,(int)A0,(char *)((int)paddr),(int)A2);
|
||||
else
|
||||
callback->printf_filtered(callback,"WARNING: Attempt to pass pointer that does not reference simulated memory\n");
|
||||
sim_error("Attempt to pass pointer that does not reference simulated memory");
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -1528,7 +1575,7 @@ sim_monitor(reason)
|
|||
if (AddressTranslation(A1,isDATA,isLOAD,&paddr,&cca,isHOST,isREAL))
|
||||
V0 = callback->write(callback,(int)A0,(const char *)((int)paddr),(int)A2);
|
||||
else
|
||||
callback->printf_filtered(callback,"WARNING: Attempt to pass pointer that does not reference simulated memory\n");
|
||||
sim_error("Attempt to pass pointer that does not reference simulated memory");
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -1540,7 +1587,7 @@ sim_monitor(reason)
|
|||
{
|
||||
char tmp;
|
||||
if (callback->read_stdin(callback,&tmp,sizeof(char)) != sizeof(char)) {
|
||||
callback->printf_filtered(callback,"WARNING: Invalid return from character read\n");
|
||||
sim_error("Invalid return from character read");
|
||||
V0 = -1;
|
||||
}
|
||||
else
|
||||
|
|
@ -1556,7 +1603,7 @@ sim_monitor(reason)
|
|||
break;
|
||||
|
||||
case 17: /* void _exit() */
|
||||
callback->printf_filtered(callback,"sim_monitor(17): _exit(int reason) to be coded\n");
|
||||
sim_warning("sim_monitor(17): _exit(int reason) to be coded");
|
||||
state |= (simSTOP | simEXIT); /* stop executing code */
|
||||
rcexit = (unsigned int)(A0 & 0xFFFFFFFF);
|
||||
break;
|
||||
|
|
@ -1597,7 +1644,7 @@ sim_monitor(reason)
|
|||
failed = -1;
|
||||
|
||||
if (failed)
|
||||
callback->printf_filtered(callback,"WARNING: Invalid pointer passed into monitor call\n");
|
||||
sim_error("Invalid pointer passed into monitor call");
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -1607,24 +1654,133 @@ sim_monitor(reason)
|
|||
/* A2 = optional argument 2 */
|
||||
/* A3 = optional argument 3 */
|
||||
/* out: void */
|
||||
/* The following is based on the PMON printf source */
|
||||
{
|
||||
uword64 paddr;
|
||||
int cca;
|
||||
if (AddressTranslation(A0,isDATA,isLOAD,&paddr,&cca,isHOST,isREAL))
|
||||
callback->printf_filtered(callback,(char *)((int)paddr),(int)A1,(int)A2,(int)A2);
|
||||
else
|
||||
callback->printf_filtered(callback,"WARNING: Attempt to pass pointer that does not reference simulated memory\n");
|
||||
/* This isn't the quickest way, since we call the host print
|
||||
routine for every character almost. But it does avoid
|
||||
having to allocate and manage a temporary string buffer. */
|
||||
if (AddressTranslation(A0,isDATA,isLOAD,&paddr,&cca,isHOST,isREAL)) {
|
||||
char *s = (char *)((int)paddr);
|
||||
ut_reg *ap = &A1; /* 1st argument */
|
||||
/* TODO: Include check that we only use three arguments (A1, A2 and A3) */
|
||||
for (; *s;) {
|
||||
if (*s == '%') {
|
||||
char tmp[40];
|
||||
enum {FMT_RJUST, FMT_LJUST, FMT_RJUST0, FMT_CENTER} fmt = FMT_RJUST;
|
||||
int width = 0, trunc = 0, haddot = 0, longlong = 0;
|
||||
int base = 10;
|
||||
s++;
|
||||
for (; *s; s++) {
|
||||
if (strchr ("dobxXulscefg%", *s))
|
||||
break;
|
||||
else if (*s == '-')
|
||||
fmt = FMT_LJUST;
|
||||
else if (*s == '0')
|
||||
fmt = FMT_RJUST0;
|
||||
else if (*s == '~')
|
||||
fmt = FMT_CENTER;
|
||||
else if (*s == '*') {
|
||||
if (haddot)
|
||||
trunc = (int)*ap++;
|
||||
else
|
||||
width = (int)*ap++;
|
||||
} else if (*s >= '1' && *s <= '9') {
|
||||
char *t;
|
||||
unsigned int n;
|
||||
for (t = s; isdigit (*s); s++);
|
||||
strncpy (tmp, t, s - t);
|
||||
tmp[s - t] = '\0';
|
||||
n = (unsigned int)strtol(tmp,NULL,10);
|
||||
if (haddot)
|
||||
trunc = n;
|
||||
else
|
||||
width = n;
|
||||
s--;
|
||||
} else if (*s == '.')
|
||||
haddot = 1;
|
||||
}
|
||||
if (*s == '%') {
|
||||
callback->printf_filtered(callback,"%%");
|
||||
} else if (*s == 's') {
|
||||
if ((int)*ap != 0) {
|
||||
if (AddressTranslation(*ap++,isDATA,isLOAD,&paddr,&cca,isHOST,isREAL)) {
|
||||
char *p = (char *)((int)paddr);;
|
||||
callback->printf_filtered(callback,p);
|
||||
} else {
|
||||
ap++;
|
||||
sim_error("Attempt to pass pointer that does not reference simulated memory");
|
||||
}
|
||||
}
|
||||
else
|
||||
callback->printf_filtered(callback,"(null)");
|
||||
} else if (*s == 'c') {
|
||||
int n = (int)*ap++;
|
||||
callback->printf_filtered(callback,"%c",n);
|
||||
} else {
|
||||
if (*s == 'l') {
|
||||
if (*++s == 'l') {
|
||||
longlong = 1;
|
||||
++s;
|
||||
}
|
||||
}
|
||||
if (strchr ("dobxXu", *s)) {
|
||||
long long lv = (long long)*ap++;
|
||||
if (*s == 'b')
|
||||
callback->printf_filtered(callback,"<binary not supported>");
|
||||
else {
|
||||
sprintf(tmp,"%%%s%c",longlong ? "ll" : "",*s);
|
||||
if (longlong)
|
||||
callback->printf_filtered(callback,tmp,lv);
|
||||
else
|
||||
callback->printf_filtered(callback,tmp,(int)lv);
|
||||
}
|
||||
} else if (strchr ("eEfgG", *s)) {
|
||||
double dbl = (double)*ap++;
|
||||
sprintf(tmp,"%%%d.%d%c",width,trunc,*s);
|
||||
callback->printf_filtered(callback,tmp,dbl);
|
||||
trunc = 0;
|
||||
}
|
||||
}
|
||||
s++;
|
||||
} else
|
||||
callback->printf_filtered(callback,"%c",*s++);
|
||||
}
|
||||
} else
|
||||
sim_error("Attempt to pass pointer that does not reference simulated memory");
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
callback->printf_filtered(callback,"TODO: sim_monitor(%d) : PC = 0x%08X%08X\n",reason,WORD64HI(IPC),WORD64LO(IPC));
|
||||
callback->printf_filtered(callback,"(Arguments : A0 = 0x%08X%08X : A1 = 0x%08X%08X : A2 = 0x%08X%08X : A3 = 0x%08X%08X)\n",WORD64HI(A0),WORD64LO(A0),WORD64HI(A1),WORD64LO(A1),WORD64HI(A2),WORD64LO(A2),WORD64HI(A3),WORD64LO(A3));
|
||||
sim_warning("TODO: sim_monitor(%d) : PC = 0x%08X%08X",reason,WORD64HI(IPC),WORD64LO(IPC));
|
||||
sim_warning("(Arguments : A0 = 0x%08X%08X : A1 = 0x%08X%08X : A2 = 0x%08X%08X : A3 = 0x%08X%08X)",WORD64HI(A0),WORD64LO(A0),WORD64HI(A1),WORD64LO(A1),WORD64HI(A2),WORD64LO(A2),WORD64HI(A3),WORD64LO(A3));
|
||||
break;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
void
|
||||
sim_warning(fmt)
|
||||
char *fmt;
|
||||
{
|
||||
va_list ap;
|
||||
va_start(ap,fmt);
|
||||
if (logfh != NULL) {
|
||||
#if 1
|
||||
fprintf(logfh,"SIM Warning: ");
|
||||
fprintf(logfh,fmt,ap);
|
||||
fprintf(logfh,"\n");
|
||||
#else /* we should provide a method of routing log messages to the simulator output stream */
|
||||
callback->printf_filtered(callback,"SIM Warning: ");
|
||||
callback->printf_filtered(callback,fmt,ap);
|
||||
#endif
|
||||
}
|
||||
va_end(ap);
|
||||
SignalException(SimulatorFault,"");
|
||||
return;
|
||||
}
|
||||
|
||||
void
|
||||
sim_error(fmt)
|
||||
char *fmt;
|
||||
|
|
@ -1979,14 +2135,14 @@ AddressTranslation(vAddr,IorD,LorS,pAddr,CCA,host,raw)
|
|||
*pAddr = (int)&monitor[((unsigned int)(vAddr - monitor_base) & (monitor_size - 1))];
|
||||
} else {
|
||||
#if 1 /* def DEBUG */
|
||||
callback->printf_filtered(callback,"Failed: AddressTranslation(0x%08X%08X,%s,%s,...) IPC = 0x%08X%08X\n",WORD64HI(vAddr),WORD64LO(vAddr),(IorD ? "isDATA" : "isINSTRUCTION"),(LorS ? "isSTORE" : "isLOAD"),WORD64HI(IPC),WORD64LO(IPC));
|
||||
sim_warning("Failed: AddressTranslation(0x%08X%08X,%s,%s,...) IPC = 0x%08X%08X",WORD64HI(vAddr),WORD64LO(vAddr),(IorD ? "isDATA" : "isINSTRUCTION"),(LorS ? "isSTORE" : "isLOAD"),WORD64HI(IPC),WORD64LO(IPC));
|
||||
#endif /* DEBUG */
|
||||
res = 0; /* AddressTranslation has failed */
|
||||
*pAddr = -1;
|
||||
if (!raw) /* only generate exceptions on real memory transfers */
|
||||
SignalException((LorS == isSTORE) ? AddressStore : AddressLoad);
|
||||
else
|
||||
callback->printf_filtered(callback,"AddressTranslation for %s %s from 0x%08X%08X failed\n",(IorD ? "data" : "instruction"),(LorS ? "store" : "load"),WORD64HI(vAddr),WORD64LO(vAddr));
|
||||
sim_warning("AddressTranslation for %s %s from 0x%08X%08X failed",(IorD ? "data" : "instruction"),(LorS ? "store" : "load"),WORD64HI(vAddr),WORD64LO(vAddr));
|
||||
}
|
||||
|
||||
return(res);
|
||||
|
|
@ -2046,11 +2202,11 @@ LoadMemory(CCA,AccessLength,pAddr,vAddr,IorD,raw)
|
|||
|
||||
#if defined(WARN_MEM)
|
||||
if (CCA != uncached)
|
||||
callback->printf_filtered(callback,"SIM Warning: LoadMemory CCA (%d) is not uncached (currently all accesses treated as cached)\n",CCA);
|
||||
sim_warning("LoadMemory CCA (%d) is not uncached (currently all accesses treated as cached)",CCA);
|
||||
|
||||
if (((pAddr & LOADDRMASK) + AccessLength) > LOADDRMASK) {
|
||||
/* In reality this should be a Bus Error */
|
||||
sim_error("AccessLength of %d would extend over 64bit aligned boundary for physical address 0x%08X%08X\n",AccessLength,WORD64HI(pAddr),WORD64LO(pAddr));
|
||||
sim_error("AccessLength of %d would extend over %dbit aligned boundary for physical address 0x%08X%08X\n",AccessLength,(LOADDRMASK + 1)<<2,WORD64HI(pAddr),WORD64LO(pAddr));
|
||||
}
|
||||
#endif /* WARN_MEM */
|
||||
|
||||
|
|
@ -2192,10 +2348,10 @@ StoreMemory(CCA,AccessLength,MemElem,pAddr,vAddr,raw)
|
|||
|
||||
#if defined(WARN_MEM)
|
||||
if (CCA != uncached)
|
||||
callback->printf_filtered(callback,"SIM Warning: StoreMemory CCA (%d) is not uncached (currently all accesses treated as cached)\n",CCA);
|
||||
sim_warning("StoreMemory CCA (%d) is not uncached (currently all accesses treated as cached)",CCA);
|
||||
|
||||
if (((pAddr & LOADDRMASK) + AccessLength) > LOADDRMASK)
|
||||
sim_error("AccessLength of %d would extend over 64bit aligned boundary for physical address 0x%08X%08X\n",AccessLength,WORD64HI(pAddr),WORD64LO(pAddr));
|
||||
sim_error("AccessLength of %d would extend over %dbit aligned boundary for physical address 0x%08X%08X\n",AccessLength,(LOADDRMASK + 1)<<2,WORD64HI(pAddr),WORD64LO(pAddr));
|
||||
#endif /* WARN_MEM */
|
||||
|
||||
#if defined(TRACE)
|
||||
|
|
@ -2331,7 +2487,7 @@ SignalException(exception)
|
|||
reality we should either simulate them, or allow the user to
|
||||
ignore them at run-time. */
|
||||
case Trap :
|
||||
callback->printf_filtered(callback,"Ignoring instruction TRAP (PC 0x%08X%08X)\n",WORD64HI(IPC),WORD64LO(IPC));
|
||||
sim_warning("Ignoring instruction TRAP (PC 0x%08X%08X)",WORD64HI(IPC),WORD64LO(IPC));
|
||||
break;
|
||||
|
||||
case ReservedInstruction :
|
||||
|
|
@ -2358,19 +2514,34 @@ SignalException(exception)
|
|||
case with the current IDT monitor). */
|
||||
break; /* out of the switch statement */
|
||||
} /* else fall through to normal exception processing */
|
||||
callback->printf_filtered(callback,"DBG: ReservedInstruction 0x%08X at IPC = 0x%08X%08X\n",instruction,WORD64HI(IPC),WORD64LO(IPC));
|
||||
sim_warning("ReservedInstruction 0x%08X at IPC = 0x%08X%08X",instruction,WORD64HI(IPC),WORD64LO(IPC));
|
||||
}
|
||||
|
||||
default:
|
||||
#if 1 /* def DEBUG */
|
||||
callback->printf_filtered(callback,"DBG: SignalException(%d) IPC = 0x%08X%08X\n",exception,WORD64HI(IPC),WORD64LO(IPC));
|
||||
if (exception != BreakPoint)
|
||||
callback->printf_filtered(callback,"DBG: SignalException(%d) IPC = 0x%08X%08X\n",exception,WORD64HI(IPC),WORD64LO(IPC));
|
||||
#endif /* DEBUG */
|
||||
/* Store exception code into current exception id variable (used
|
||||
by exit code): */
|
||||
|
||||
/* TODO: If not simulating exceptions then stop the simulator
|
||||
execution. At the moment we always stop the simulation. */
|
||||
#if 1 /* bodge to allow exit() code to be returned, by assuming that a breakpoint exception after a monitor exit() call should be silent */
|
||||
/* further bodged since the standard libgloss/mips world doesn't use the _exit() monitor call, it just uses a break instruction */
|
||||
if (exception == BreakPoint /* && state & simEXIT */)
|
||||
{
|
||||
state |= simSTOP;
|
||||
#if 1 /* since the _exit() monitor call may not be called */
|
||||
state |= simEXIT;
|
||||
rcexit = (unsigned int)(A0 & 0xFFFFFFFF);
|
||||
#endif
|
||||
}
|
||||
else
|
||||
state |= (simSTOP | simEXCEPTION);
|
||||
#else
|
||||
state |= (simSTOP | simEXCEPTION);
|
||||
#endif
|
||||
CAUSE = (exception << 2);
|
||||
if (state & simDELAYSLOT) {
|
||||
CAUSE |= cause_BD;
|
||||
|
|
@ -2409,7 +2580,7 @@ SignalException(exception)
|
|||
static void
|
||||
UndefinedResult()
|
||||
{
|
||||
callback->printf_filtered(callback,"UndefinedResult: IPC = 0x%08X%08X\n",WORD64HI(IPC),WORD64LO(IPC));
|
||||
sim_warning("UndefinedResult: IPC = 0x%08X%08X",WORD64HI(IPC),WORD64LO(IPC));
|
||||
#if 0 /* Disabled for the moment, since it actually happens a lot at the moment. */
|
||||
state |= simSTOP;
|
||||
#endif
|
||||
|
|
@ -2424,8 +2595,13 @@ CacheOp(op,pAddr,vAddr,instruction)
|
|||
uword64 vAddr;
|
||||
unsigned int instruction;
|
||||
{
|
||||
#if 1 /* stop warning message being displayed (we should really just remove the code) */
|
||||
static int icache_warning = 1;
|
||||
static int dcache_warning = 1;
|
||||
#else
|
||||
static int icache_warning = 0;
|
||||
static int dcache_warning = 0;
|
||||
#endif
|
||||
|
||||
/* If CP0 is not useable (User or Supervisor mode) and the CP0
|
||||
enable bit in the Status Register is clear - a coprocessor
|
||||
|
|
@ -2445,7 +2621,7 @@ CacheOp(op,pAddr,vAddr,instruction)
|
|||
case 6: /* Hit Writeback */
|
||||
if (!icache_warning)
|
||||
{
|
||||
callback->printf_filtered(callback,"SIM Warning: Instruction CACHE operation %d to be coded\n",(op >> 2));
|
||||
sim_warning("Instruction CACHE operation %d to be coded",(op >> 2));
|
||||
icache_warning = 1;
|
||||
}
|
||||
break;
|
||||
|
|
@ -2467,7 +2643,7 @@ CacheOp(op,pAddr,vAddr,instruction)
|
|||
case 6: /* Hit Writeback */
|
||||
if (!dcache_warning)
|
||||
{
|
||||
callback->printf_filtered(callback,"SIM Warning: Data CACHE operation %d to be coded\n",(op >> 2));
|
||||
sim_warning("Data CACHE operation %d to be coded",(op >> 2));
|
||||
dcache_warning = 1;
|
||||
}
|
||||
break;
|
||||
|
|
@ -2579,7 +2755,7 @@ ValueFPR(fpr,fmt)
|
|||
#endif /* DEBUG */
|
||||
}
|
||||
if (fmt != fpr_state[fpr]) {
|
||||
callback->printf_filtered(callback,"Warning: FPR %d (format %s) being accessed with format %s - setting to unknown (PC = 0x%08X%08X)\n",fpr,DOFMT(fpr_state[fpr]),DOFMT(fmt),WORD64HI(IPC),WORD64LO(IPC));
|
||||
sim_warning("FPR %d (format %s) being accessed with format %s - setting to unknown (PC = 0x%08X%08X)",fpr,DOFMT(fpr_state[fpr]),DOFMT(fmt),WORD64HI(IPC),WORD64LO(IPC));
|
||||
fpr_state[fpr] = fmt_unknown;
|
||||
}
|
||||
|
||||
|
|
@ -2633,7 +2809,7 @@ ValueFPR(fpr,fmt)
|
|||
case fmt_uninterpreted:
|
||||
case fmt_double:
|
||||
case fmt_long:
|
||||
value = ((FGR[fpr+1] << 32) | (FGR[fpr] & 0xFFFFFFFF));
|
||||
value = ((((uword64)FGR[fpr+1]) << 32) | (FGR[fpr] & 0xFFFFFFFF));
|
||||
break;
|
||||
|
||||
default :
|
||||
|
|
@ -3233,6 +3409,7 @@ Convert(rm,op,from,to)
|
|||
case fmt_double:
|
||||
{
|
||||
double tmp;
|
||||
word64 xxx;
|
||||
|
||||
switch (from) {
|
||||
case fmt_single:
|
||||
|
|
@ -3243,7 +3420,8 @@ Convert(rm,op,from,to)
|
|||
break;
|
||||
|
||||
case fmt_word:
|
||||
tmp = (double)((word64)SIGNEXTEND((op & 0xFFFFFFFF),32));
|
||||
xxx = SIGNEXTEND((op & 0xFFFFFFFF),32);
|
||||
tmp = xxx;
|
||||
break;
|
||||
|
||||
case fmt_long:
|
||||
|
|
@ -3354,7 +3532,9 @@ COP_LW(coproc_num,coproc_reg,memword)
|
|||
#endif /* HASFPU */
|
||||
|
||||
default:
|
||||
#if 0 /* this should be controlled by a configuration option */
|
||||
callback->printf_filtered(callback,"COP_LW(%d,%d,0x%08X) at IPC = 0x%08X%08X : TODO (architecture specific)\n",coproc_num,coproc_reg,memword,WORD64HI(IPC),WORD64LO(IPC));
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
@ -3374,7 +3554,9 @@ COP_LD(coproc_num,coproc_reg,memword)
|
|||
#endif /* HASFPU */
|
||||
|
||||
default:
|
||||
#if 0 /* this message should be controlled by a configuration option */
|
||||
callback->printf_filtered(callback,"COP_LD(%d,%d,0x%08X%08X) at IPC = 0x%08X%08X : TODO (architecture specific)\n",coproc_num,coproc_reg,WORD64HI(memword),WORD64LO(memword),WORD64HI(IPC),WORD64LO(IPC));
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
@ -3405,7 +3587,9 @@ COP_SW(coproc_num,coproc_reg)
|
|||
#endif /* HASFPU */
|
||||
|
||||
default:
|
||||
#if 0 /* should be controlled by configuration option */
|
||||
callback->printf_filtered(callback,"COP_SW(%d,%d) at IPC = 0x%08X%08X : TODO (architecture specific)\n",coproc_num,coproc_reg,WORD64HI(IPC),WORD64LO(IPC));
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
@ -3436,7 +3620,9 @@ COP_SD(coproc_num,coproc_reg)
|
|||
#endif /* HASFPU */
|
||||
|
||||
default:
|
||||
#if 0 /* should be controlled by configuration option */
|
||||
callback->printf_filtered(callback,"COP_SD(%d,%d) at IPC = 0x%08X%08X : TODO (architecture specific)\n",coproc_num,coproc_reg,WORD64HI(IPC),WORD64LO(IPC));
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
@ -3498,14 +3684,18 @@ decode_coproc(instruction)
|
|||
int rt = ((instruction >> 16) & 0x1F);
|
||||
int rd = ((instruction >> 11) & 0x1F);
|
||||
if (code == 0x00) { /* MF : move from */
|
||||
#if 0 /* message should be controlled by configuration option */
|
||||
callback->printf_filtered(callback,"Warning: MFC0 %d,%d not handled yet (architecture specific)\n",rt,rd);
|
||||
#endif
|
||||
GPR[rt] = 0xDEADC0DE; /* CPR[0,rd] */
|
||||
} else { /* MT : move to */
|
||||
/* CPR[0,rd] = GPR[rt]; */
|
||||
#if 0 /* should be controlled by configuration option */
|
||||
callback->printf_filtered(callback,"Warning: MTC0 %d,%d not handled yet (architecture specific)\n",rt,rd);
|
||||
#endif
|
||||
}
|
||||
} else
|
||||
callback->printf_filtered(callback,"Warning: Unrecognised COP0 instruction 0x%08X at IPC = 0x%08X%08X : No handler present\n",instruction,WORD64HI(IPC),WORD64LO(IPC));
|
||||
sim_warning("Unrecognised COP0 instruction 0x%08X at IPC = 0x%08X%08X : No handler present",instruction,WORD64HI(IPC),WORD64LO(IPC));
|
||||
/* TODO: When executing an ERET or RFE instruction we should
|
||||
clear LLBIT, to ensure that any out-standing atomic
|
||||
read/modify/write sequence fails. */
|
||||
|
|
@ -3513,7 +3703,7 @@ decode_coproc(instruction)
|
|||
break;
|
||||
|
||||
case 2: /* undefined co-processor */
|
||||
callback->printf_filtered(callback,"Warning: COP2 instruction 0x%08X at IPC = 0x%08X%08X : No handler present\n",instruction,WORD64HI(IPC),WORD64LO(IPC));
|
||||
sim_warning("COP2 instruction 0x%08X at IPC = 0x%08X%08X : No handler present",instruction,WORD64HI(IPC),WORD64LO(IPC));
|
||||
break;
|
||||
|
||||
case 1: /* should not occur (FPU co-processor) */
|
||||
|
|
@ -3572,13 +3762,13 @@ simulate ()
|
|||
#endif /* DEBUG */
|
||||
|
||||
if (AddressTranslation(PC,isINSTRUCTION,isLOAD,&paddr,&cca,isTARGET,isREAL)) { /* Copy the action of the LW instruction */
|
||||
unsigned int reverse = (ReverseEndian ? 1 : 0);
|
||||
unsigned int bigend = (BigEndianCPU ? 1 : 0);
|
||||
unsigned int reverse = (ReverseEndian ? (LOADDRMASK >> 2) : 0);
|
||||
unsigned int bigend = (BigEndianCPU ? (LOADDRMASK >> 2) : 0);
|
||||
uword64 value;
|
||||
unsigned int byte;
|
||||
paddr = ((paddr & ~0x7) | ((paddr & 0x7) ^ (reverse << 2)));
|
||||
paddr = ((paddr & ~LOADDRMASK) | ((paddr & LOADDRMASK) ^ (reverse << 2)));
|
||||
value = LoadMemory(cca,AccessLength_WORD,paddr,vaddr,isINSTRUCTION,isREAL);
|
||||
byte = ((vaddr & 0x7) ^ (bigend << 2));
|
||||
byte = ((vaddr & LOADDRMASK) ^ (bigend << 2));
|
||||
instruction = ((value >> (8 * byte)) & 0xFFFFFFFF);
|
||||
} else {
|
||||
fprintf(stderr,"Cannot translate address for PC = 0x%08X%08X failed\n",WORD64HI(PC),WORD64LO(PC));
|
||||
|
|
@ -3671,7 +3861,7 @@ simulate ()
|
|||
if (!(state & simSKIPNEXT)) {
|
||||
/* Include the simulator engine */
|
||||
#include "engine.c"
|
||||
#if ((GPRLEN == 64) && !defined(PROCESSOR_64BIT)) || ((GPRLEN == 32) && defined(PROCESSOR_64BIT))
|
||||
#if ((GPRLEN == 64) && !PROCESSOR_64BIT) || ((GPRLEN == 32) && PROCESSOR_64BIT)
|
||||
#error "Mismatch between run-time simulator code and simulation engine"
|
||||
#endif
|
||||
|
||||
|
|
@ -3689,7 +3879,7 @@ simulate ()
|
|||
than within the simulator, since it will help keep the simulator
|
||||
small. */
|
||||
if (ZERO != 0) {
|
||||
callback->printf_filtered(callback,"SIM Warning: The ZERO register has been updated with 0x%08X%08X (PC = 0x%08X%08X)\nSIM Warning: Resetting back to zero\n",WORD64HI(ZERO),WORD64LO(ZERO),WORD64HI(IPC),WORD64LO(IPC));
|
||||
sim_warning("The ZERO register has been updated with 0x%08X%08X (PC = 0x%08X%08X) (reset back to zero)",WORD64HI(ZERO),WORD64LO(ZERO),WORD64HI(IPC),WORD64LO(IPC));
|
||||
ZERO = 0; /* reset back to zero before next instruction */
|
||||
}
|
||||
#endif /* WARN_ZERO */
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue