Commit Graph

2027 Commits

Author SHA1 Message Date
Alexandre Oliva
e33c036475 * am33.igen: Fix leading comments of SP-relative offset insns that
referred to other registers.  Make their offsets unsigned.
2000-05-22 20:34:09 +00:00
Alexandre Oliva
24a39d88a2 * mn10300_sim.h (genericAdd, genericSub, genericCmp, genericOr,
genericXor, genericBtst): Use `unsigned32'.
* op_utils.c: Likewise.
* mn10300.igen, am33.igen: Use `unsigned32', `signed32',
`unsigned64' or `signed64' where type width is relevant.
2000-05-18 22:56:28 +00:00
Joern Rennecke
63978407cb sh-dsp support, simulator speedup by using host byte order:
sim:
	* Makefile.in (interp.o): Depends on ppi.c .
	(ppi.c): New rule.
	* gencode.c (printonmatch, think, genopc): Deleted.
	(MAX_NR_STUFF): Now 42.
	(tab): Add SH-DSP CPU instructions.
	Amalgamate ldc / stc / lds / sts instructions with similar
	bit patterns.  Fix opcodes of stc Rm_BANK,@-<REG_N>.
	Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
	(movsxy_tab): New array.
	For movs, change MMMM field to GGGG, and mmmm field to MMMM.
	Added entries for movx, movy and parallel processing insns.
	(ppi_tab): New array.
	(qfunc): Stabilize sort.
	(expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
	Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
	(dumptable): Now takes three arguments.  Changed all callers.
	Emit just one contigous jump table.
	(filltable): Now takes an argument.  Changed all callers.
	Make index static.
	(ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
	(gensim_caselist): New function, broken out of gensim.
	Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
	Handle ref '9'.
	(gensim): Handle 'N' in code field and '8' in refs field.
	Call gensim_caselist - twice.
	(ppi_index): New static variable.
	(main): Unsupport default action.
	Add dsp support for -x / -s option.  Add -p option.
	* interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
	(saved_state_type): Rearrange to allow amalgamated ldc / stc /
	lds / sts to work efficiently.
	(target_dsp): New static variable.
	(GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
	(FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
	(SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
	(RS, RE, MOD, MOD_ME, DSP_R): Likewise.
	(set_fpscr1): Likewise.  Use target_dsp to check for dsp.
	(MOD_MSi, SIG_BUS_FETCH): Deleted.
	(CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
	(SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
	(SET_MOD): Reflect saved_state_type change.  Set MOD_DELTA instead
	of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
	(set_sr): Reflect saved_state_type change.  Fix SR_RB handling.
	Use SET_MOD.
	(MA, L, TL, TB): Now controlled by ACE_FAST.
	(SEXT32): Just cast to int.
	(SIGN32): Fixed to only shift by 31.
	(CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
	(ppi_insn): Declare.
	(ppi.c): Include.
	(init_dsp): Set target_dsp.  When it changes, switch end of
	sh_jump_table with sh_dsp_table.
	(sim_resume) Don't declare sh_jump_table0.  Use sh_jump_table instead.
	Don't Declare PR if it's #defined.
	Fix single-stepping (Was broken in Mar  6 16:59:10 patch).
	(sim_store_register, sim_read_register): Translate accesses to
	reflect saved_state_type change.

	* interp.c (set_sr): Set sr.
	(SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
	(set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
	(DSP_R): Fix definition.
	(sim_resume): Remove outdated SET_SR use.

	* interp.c (saved_state): New members for struct member asregs:
	rs, re, insn_end, xram_start, yram_start.
	(struct loop_bounds): New struct.
	(SKIP_INSN): New macro.
	(get_loop_bounds): New function.
	(endianw): Renamed to global_endianw.
	(maskw): negated bits.
	(PC): Now insn_ptr.
	(SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
	(RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
	(M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
	(SIG_BUS_FETCH): Likewise
	(raise_exception, riat_fast): New functions.
	(raise_buserror, sim_stop): Use raise_exception.
	(PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
	(BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
	Reverse sense of mask argument.
	(FP_OP, set_dr): Use RAISE_EXCEPTION.
	(wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
	Declare.  Remove redundant masking.
	(wwat_fast, rwat_fast): Add argument endianw.  Changed callers.
	(MA): Updated for change pc -> PC.
	(Delay_Slot): Use RIAT.
	(empty): Deleted.
	(trap): Remove argument little_endian.  Add argument endianw.
	Changed all callers.  Use raise_exception.
	(macw): Add argument endainw.  Changed all callers.
	(init_dsp): New function, extended after broken out of init_pointers.
	(sim_resume): Replace pc with insn_ptr.  Replace little_endian with
	endianw.  Replace nia with nip.  Reverse sense of maskb / maskw /
	maskl.  Implement logic for zero-overhead loops.  Don't try to
	interpret garbage when getting a SIGBUS at insn fetch.
	(sim_open): Call init_dsp.
	* gencode.c (tab): Use SET_NIP instead of nia = .  Use PH2T / PT2H /
	RAISE_EXCEPTION where appropriate.
	Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.

	* interp.c (sim_store_register, sim_fetch_register):
	Do proper endianness switch.

	* interp.c (saved_state_type): New members for struct member asregs:
	xymem_select, xmem, ymem, xmem_offset, ymem_offset.
	(special_address): Delete.
	(BUSERROR): Now a two-argument predicate.
	(PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
	(wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
	(process_wlat_addr, process_wwat_addr): New functions.
	(process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
	(process_rbat_addr): Likewise.
	(wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
	(rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
	(rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
	(RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
	(do_rdat, trap): Delete SLOW code.
	(SEXT32, SIGN32): New macros.
	(swap, swap16): Now integer in - integer out.  Changed all callers.
	(strswaplen, strnswap): Delete SLOW versions.
	(init_pointers): Initialize dsp memory selection (preliminary).
	(sim_store_register, sim_fetch_register): Use swap instead of
	big / little endian read / write functions.

	* interp.c (maskl): Deleted.
	(endianw, endianb): New variables.
	(special_address): Now inline.
	(bp_holder): Put raising of buserror there, rename to:
	(raise_buserror).
	(BUSERROR): Now yields a value.  Changed all users.
	(wbat_big): Delete.
	(wlat_fast, wwat_fast, wbat_fast): New functions.
	(rlat_fast, rwat_fast, rbat_fast): Likewise.
	(RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
	(do_rdat, do_wdat): Likewise.  Take maskl argument instead of
	little_endian one.  Changed caller macros.
	(swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
	(strswaplen, strnswap): New functions.
	(trap): Use them to fix up endian mismatches;
	disable SYS_execve and SYS_execv; fix double address translation for
	SYS_pipe and SYS_stat.
	(sym_write, sym_read): Add endianness translation.
	(sym_store_register, sym_fetch_register): Add maskl local variable.
	(sim_open): Set endianw and endianb.

gdb:

	* sh-tdep.c (sh_dsp_reg_names, sh3_dsp_reg_names): New arrays.
	(sh_processor_type_table): Add entries for bfd_mach_sh_dsp and
	 bfd_mach_sh3_dsp.
	(sh_show_regs): Floating point registers are called fr0-fr15.
	For sh4, display fpul, fpscr and fr0-fr15 / dr0-dr14 as appropriate.
	Handle sh-dsp and sh3-dsp.
	config/sh/tm-sh.h (REGISTER_VIRTUAL_TYPE): sh-dsp / sh3-dsp
	don't have floating point registers.
	(DSR_REGNUM, A0G_REGNUM, A0_REGNUM, A1G_REGNUM, A1_REGNUM): Define.
	(M0_REGNUM, M1_REGNUM, X0_REGNUM, X1_REGNUM, Y0_REGNUM): Likewise.
	(Y1_REGNUM, MOD_REGNUM, RS_REGNUM, RE_REGNUM, R0B_REGNUM): Likewise.
2000-05-15 21:12:42 +00:00
Frank Ch. Eigler
b9791fcdd6 * merge from internal tree
2000-04-14  Gary Thomas  <gthomas@redhat.com>

	* v850.igen: Define 'br *' as illegal since this is the only
	way to provide a breakpoint on some v850 family processors.
2000-05-08 23:07:39 +00:00
Andrew Cagney
ba744a4f56 Add missing ChangeLog.
Sync with mitsu's version.
2000-05-03 09:26:07 +00:00
Andrew Cagney
dd37a34b6f * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call. 2000-05-01 07:06:10 +00:00
Andrew Cagney
5eb1a8fac3 Provide more detailed traces of the event queue. 2000-04-28 06:13:46 +00:00
Andrew Cagney
0c22be818b Fix event insertion when processing more than one event for the current time. 2000-04-28 06:02:51 +00:00
Andrew Cagney
25d704f304 Cleanup tracing. 2000-04-28 05:59:25 +00:00
Alexandre Oliva
bfa8561f01 * am33.igen (inc4 Rn): Use genericAdd so as to modify flags. 2000-04-25 09:48:40 +00:00
Andrew Cagney
27842f65f2 Add support for SIGILL (reserved-instruction-exception). 2000-04-18 07:55:35 +00:00
Frank Ch. Eigler
5d0d395e94 * arm abort fix
2000-03-11  Philip Blundell  <philb@gnu.org>

	* armemu.c (LoadSMult, LoadMult): Correct handling of aborts.
	Patch from Allan Skillman <Allan.Skillman@arm.com>.
2000-04-10 15:35:56 +00:00
Andrew Cagney
e30db7381c Fix printf botch. 2000-04-09 14:15:43 +00:00
Alexandre Oliva
d8e7020fd6 * am33.igen: Make SP-relative offsets unsigned. Add `*am33' for
some instructions that were missing it.
2000-04-09 09:04:54 +00:00
Frank Ch. Eigler
01a991e1cd * updating copyright dates ("1999" -> "1999, 2000") 2000-04-05 22:31:29 +00:00
Dave Brolley
afb2cbbd21 2000-03-30 Dave Brolley <brolley@redhat.com>
* configure: Regenerated.
2000-03-30 20:51:27 +00:00
Dave Brolley
b2ac51e413 2000-03-30 Dave Brolley <brolley@redhat.com>
* aclocal.m4 (cgen): Use guile to run cgen.
2000-03-30 20:49:27 +00:00
Dave Brolley
f8603f2f73 2000-03-23 Dave Brolley <brolley@redhat.com>
* cgen-fpu.h: Rename extsfdf to fextsfdf. Rename truncdfsf to
	ftruncdfsf.
	* cgen-accfp.c (fextsfdf): New function.
	(ftruncdfsf): New function.
	(cgen_init_accurate_fpu): Initialize fextsfdf and ftruncdfsf.
2000-03-30 20:21:37 +00:00
Geoffrey Keating
9ff590a53b * ppc-instructions (Disabled_Exponent_Underflow): Increment
the exponent when denormalizing.
2000-03-25 18:45:41 +00:00
Frank Ch. Eigler
de616bc738 * more compatibility with v850 hardware
2000-03-24  Frank Ch. Eigler  <fche@redhat.com>

	* v850.igen (ilgop): New insn pattern for four-byte breakpoints.
2000-03-25 00:17:21 +00:00
Frank Ch. Eigler
6c9e0292a3 * memory corruption fix
Wed Mar 22 15:24:21 2000  glen mccready  <gkm@pobox.com>

	* wrapper.c (sim_open,sim_close): Copy into myname, free myname.
2000-03-23 23:28:43 +00:00
Frank Ch. Eigler
cb7450ea08 * simplify eCos testing
2000-03-21  Frank Ch. Eigler  <fche@redhat.com>

	* interp.c (sim_open): Sort & extend dummy memory regions for
	--board=jmr3904 for eCos.
2000-03-21 20:45:43 +00:00
Jeff Johnston
0f831eb384 2000-03-13 Jeff Johnston <jjohnstn@cygnus.com>
* cgen-ops.h: Added TRUNCSISI.
2000-03-13 23:51:48 +00:00
Frank Ch. Eigler
e88acae792 * extension
2000-03-08  Dave Brolley  <brolley@redhat.com>

	* cgen-par.h (cgen_write_queue_kind): Add CGEN_FN_SF_WRITE.
	(CGEN_WRITE_QUEUE_ELEMENT): Add fn_sf_write.
	(sim_queue_fn_si_write): Last argument is has type USI.
	(sim_queue_fn_sf_write): New function.
	* cgen-par.c (sim_queue_fn_si_write): Declare 'value' as USI.
	(sim_queue_fn_sf_write): New function.
	(cgen_write_queue_element_execute): Handle CGEN_FN_SF_WRITE.
2000-03-08 21:09:41 +00:00
Frank Ch. Eigler
a05391975e * build fix
2000-03-07  Frank Ch. Eigler  <fche@redhat.com>

	From John Dallaway  <jld@redhat.co.uk>:
	* Makefile.in (install-sis): Add $(EXEEXT) for Windows host.
2000-03-07 15:32:49 +00:00
Frank Ch. Eigler
8ae7f924f3 * moved misplaced ChangeLog entry 2000-03-04 12:46:44 +00:00
Andrew Cagney
7158fd7f9b Transfer SIM maintainership to Frank. 2000-03-04 06:27:00 +00:00
Frank Ch. Eigler
a9e3a73989 * build fix
2000-03-03  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

	* Makefile.in (IGEN_INSN): Added am33.igen.
2000-03-03 23:25:10 +00:00
Frank Ch. Eigler
0ef33cd05d * build patch
2000-03-03  Jonathan Larmour  <jlarmour@redhat.co.uk>

	* func.c (buffer_read_memory): Change type of size to unsigned to
	match prototype
2000-03-03 15:00:58 +00:00
Frank Ch. Eigler
4cd9361480 * comment tweaks 2000-03-02 22:42:51 +00:00
Frank Ch. Eigler
d018757450 * adding forgotten entry 2000-03-02 21:53:51 +00:00
Frank Ch. Eigler
a3027dd748 * autoconf correction
* merge from internal repo -> sourceware

2000-03-02  Frank Ch. Eigler  <fche@redhat.com>

	* configure: Regenerated.

Tue Feb  8 18:35:01 2000  Donald Lindsay  <dlindsay@hound.cygnus.com>

	* interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
	calls, conditional on the simulator being in verbose mode.
2000-03-02 18:14:02 +00:00
Frank Ch. Eigler
58fddbac5a * whitespace correction 2000-03-02 18:12:44 +00:00
Andrew Cagney
baa7ae6f10 When SIM_HAVE_ENVIRONMENT: use sim_set_trace() to enable tracing
instead of sim_trace() to run the program; include support for ``-o''
option (operating environment); when a signal occurs, only continue
execution when operating environment mode.
Update d10v.
2000-02-22 08:52:21 +00:00
Nick Clifton
3dfcd3c614 Fix fclose() emulation 2000-02-14 19:49:48 +00:00
Nick Clifton
63a027a3fb Add support for M340 processor 2000-02-10 21:59:03 +00:00
Andrew Cagney
7fc5b5adca Report SIGBUS and halt simulation when ld/st detect a misaligned address. 2000-02-09 05:08:42 +00:00
Jason Molenda
25c1c39719 2000-02-08 Jason Molenda (jsm@bugshack.cygnus.com)
* sim/ChangeLog:  Dummy whitespace change to kick off a test
	cvs commit message.
2000-02-09 00:07:53 +00:00
Nick Clifton
6d358e869b Fix compile time warning messages. 2000-02-08 20:54:27 +00:00
Jason Molenda
a9e0ce2c0c 2000-02-06 Jason Molenda (jsm@bugshack.cygnus.com)
* gdb/ChangeLog:  Whitespace change to test cvs logging.
	* sim/ChangeLog:  Ditto, but in a separate dir.
2000-02-07 02:14:29 +00:00
Jason Molenda
dfcd3bfb6f import gdb-2000-02-04 snapshot 2000-02-05 07:30:26 +00:00
Jason Molenda
f743149ecb import gdb-2000-01-26 snapshot 2000-01-26 21:49:14 +00:00
Jason Molenda
0fda6bd286 import gdb-2000-01-24 snapshot 2000-01-25 02:40:50 +00:00
Jason Molenda
c5394b80ae import gdb-2000-01-17 snapshot 2000-01-18 00:55:13 +00:00
Jason Molenda
c3f6f71df3 import gdb-2000-01-05 snapshot 2000-01-06 03:07:20 +00:00
Jason Molenda
ed9a39ebf9 import gdb-1999-12-21 snapshot 1999-12-22 21:45:38 +00:00
Jason Molenda
c4093a6ab3 import gdb-1999-12-13 snapshot 1999-12-14 01:06:04 +00:00
Jason Molenda
de57eccd12 import gdb-1999-12-07 snapshot 1999-12-08 02:51:13 +00:00
Jason Molenda
c2d11a7da0 import gdb-1999-12-06 snapshot 1999-12-07 03:56:43 +00:00
Jason Molenda
4ce44c668d import gdb-1999-11-16 snapshot 1999-11-17 02:31:06 +00:00