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binutils-gdb
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* interp.c (OPTION_BRANCH_BUG_4011): Add. 

(mips_option_handler): Handle OPTION_BRANCH_BUG_4011.
	(mips_options): Define the option.
	* mips.igen (check_4011_branch_bug): New.
	(mark_4011_branch_bug): New.
	(all branch insn): Call mark_branch_bug, and check_branch_bug.
	* sim-main.h (branchbug4011_option, branchbug4011_last_target,
	branchbug4011_last_cia, BRANCHBUG4011_OPTION,
	BRANCHBUG4011_LAST_TARGET, BRANCHBUG4011_LAST_CIA,
	check_branch_bug, mark_branch_bug): Define.
This commit is contained in:
Gavin Romig-Koch 1998-06-29 13:30:01 +00:00
parent aaa2c9082c
commit 46eb9e5a57
2 changed files with 66 additions and 2 deletions
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28
sim/mips/.Sanitize
View File

@ -300,7 +300,33 @@ else
done
fi
branchbug4011_files="interp.c mips.igen sim-main.h ChangeLog"
if ( echo $* | grep keep\-branchbug4011 > /dev/null ) ; then
for i in $branchbug4011_files ; do
if test ! -d $i && (grep sanitize-branchbug4011 $i > /dev/null) ; then
if [ -n "${verbose}" ] ; then
echo Keeping branchbug4011 stuff in $i
fi
fi
done
else
for i in $branchbug4011_files ; do
if test -r $i && (grep sanitize-branchbug4011 $i > /dev/null) ; then
if [ -n "${verbose}" ] ; then
echo Removing traces of \"branchbug4011\" from $i...
fi
cp $i new
sed '/start\-sanitize\-branchbug4011/,/end\-sanitize\-branchbug4011/d' < $i > new
if [ -n "${safe}" -a ! -f .Recover/$i ] ; then
if [ -n "${verbose}" ] ; then
echo Caching $i in .Recover...
fi
mv $i .Recover
fi
mv new $i
fi
done
fi
never_files="ChangeLog configure configure.in interp.c gencode.c mips.igen mips.dc"

40
sim/mips/sim-main.h
View File

@ -640,6 +640,23 @@ enum float_operation
#define RAIDX 31
#define RA (REGISTERS[RAIDX])
/* While space is allocated in the main registers arrray for some of
the COP0 registers, that space isn't sufficient. Unknown COP0
registers overflow into the array below */
#define NR_COP0_GPR 32
unsigned_word cop0_gpr[NR_COP0_GPR];
#define COP0_GPR ((CPU)->cop0_gpr)
/* start-sanitize-r5900 */
#define NR_COP0_BP 8
unsigned_word cop0_bp[NR_COP0_BP];
#define COP0_BP ((CPU)->cop0_bp)
#define NR_COP0_P 64
unsigned_word cop0_p[NR_COP0_P];
#define COP0_P ((CPU)->cop0_p)
/* end-sanitize-r5900 */
/* Keep the current format state for each register: */
FP_formats fpr_state[32];
#define FPR_STATE ((CPU)->fpr_state)
@ -665,6 +682,24 @@ enum float_operation
hilo_history lo_history;
#define LOHISTORY (&(CPU)->lo_history)
/* start-sanitize-branchbug4011 */
#if 1
int branchbug4011_option;
#define BRANCHBUG4011_OPTION ((CPU)->branchbug4011_option)
address_word branchbug4011_last_target;
#define BRANCHBUG4011_LAST_TARGET ((CPU)->branchbug4011_last_target)
address_word branchbug4011_last_cia;
#define BRANCHBUG4011_LAST_CIA ((CPU)->branchbug4011_last_cia)
#define check_branch_bug() (check_4011_branch_bug (_SD))
#define mark_branch_bug(TARGET) (mark_4011_branch_bug (_SD,TARGET))
#else
/* end-sanitize-branchbug4011 */
#define check_branch_bug()
#define mark_branch_bug(TARGET)
/* start-sanitize-branchbug4011 */
#endif
/* end-sanitize-branchbug4011 */
/* start-sanitize-r5900 */
sim_r5900_cpu r5900;
@ -737,6 +772,7 @@ struct sim_state {
#define ksu_unknown (0x3)
#define status_IE (1 << 0) /* Interrupt enable */
#define status_EIE (1 << 16) /* Enable Interrupt Enable */
#define status_EXL (1 << 1) /* Exception level */
#define status_RE (1 << 25) /* Reverse Endian in user mode */
#define status_FR (1 << 26) /* enables MIPS III additional FP registers */
@ -856,6 +892,8 @@ struct sim_state {
#define BREAKPOINT_INSTRUCTION2 (0x0000014d)
void interrupt_event (SIM_DESC sd, void *data);
void signal_exception (SIM_DESC sd, sim_cpu *cpu, address_word cia, int exception, ...);
#define SignalException(exc,instruction) signal_exception (SD, CPU, cia, (exc), (instruction))
#define SignalExceptionInterrupt() signal_exception (SD, CPU, cia, Interrupt)
@ -975,7 +1013,7 @@ INLINE_SIM_MAIN (unsigned16) ifetch16 PARAMS ((SIM_DESC sd, sim_cpu *cpu, addres
#define IMEM16_IMMED(CIA,NR) ifetch16 (SD, CPU, (CIA), ((CIA) & ~1) + 2 * (NR))
void dotrace PARAMS ((SIM_DESC sd, sim_cpu *cpu, FILE *tracefh, int type, SIM_ADDR address, int width, char *comment, ...));
FILE *tracefh;
extern FILE *tracefh;
INLINE_SIM_MAIN (void) pending_tick PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia));