diff options
| author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:35:26 +0000 |
|---|---|---|
| committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:35:26 +0000 |
| commit | c906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch) | |
| tree | a0015aa5cedc19ccbab307251353a41722a3ae13 /sim/ppc/ChangeLog.00 | |
| parent | cd946cff9ede3f30935803403f06f6ed30cad136 (diff) | |
| download | gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.zip gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.tar.gz gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.tar.bz2 | |
Initial creation of sourceware repositorygdb-4_18-branchpoint
Diffstat (limited to 'sim/ppc/ChangeLog.00')
| -rw-r--r-- | sim/ppc/ChangeLog.00 | 2168 |
1 files changed, 2168 insertions, 0 deletions
diff --git a/sim/ppc/ChangeLog.00 b/sim/ppc/ChangeLog.00 new file mode 100644 index 0000000..8b8be82 --- /dev/null +++ b/sim/ppc/ChangeLog.00 @@ -0,0 +1,2168 @@ +Wed May 29 22:57:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au> + + * ChangeLog.00, ChangeLog: ChangeLog from gdb-4.16 becomes + ChangeLog.00 + +Thu Apr 4 15:17:22 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * INSTALL: Fix some long lines and remove x86 specific options in + the examples. + +Sun Mar 31 15:47:33 1996 Andrew Cagney <cagney@kremvax.highland.com.au> + + * INSTALL: Update to reflect gdb-4.16. + + * RUN: Update to reflect gdb-4.16. Review notes on building a BSD + runtime environment. + + * README: Point out copyright status of simulator in introduction. + +Thu Mar 7 19:53:49 1996 Michael Meissner <meissner@cygnus.com> + + * emul_netbsd.c: Only include sys/mount.h if HAVE_SYS_MOUNT_H is + defined. + * configure.in: Test for sys/mount.h. + * configure,config.in: Regenerate. + +Thu Feb 22 22:48:57 1996 Andrew Cagney <cagney@highland.com.au> + + * README, RUN, INSTALL: Update to reflect announcement + * psim: PSIM 1.0.1 released + +Thu Feb 22 14:01:56 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * emul_bugapi.c (emul_bugapi_do_read): New function to handle + reads. + (emul_bugapi_instruction_call): Add support for .INCHR/.INLN + system calls. + + * emul_bugapi.c (emul_bugapi_do_write): Call flush_stdoutput. + * emul_netbsd.c (do_write): Call flush_stdoutput. + + * main.c (flush_stdoutput): Do fflush (stdout). + * sim_calls.c (flush_stdoutput): Do gdb_flush (gdb_stdout); + * sim_callbacks.h (flush_stdoutput): Declare. + +Wed Feb 21 10:39:35 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * emul_bugapi.c (bug_mapping): New structure to map bug system + call numbers to a string. + (toplevel): Add remaining bugapi system calls. + (emul_bugapi_instruction_name): Map bugapi system call number to a + string. + (emul_bugapi_do_write): Common code to process write system calls. + (emul_bugapi_instruction_call): If os-emul tracing is on, trace + the system call. Use the name to print unknown system call. + Correct implementation of _OUTLN. Add support for _OUTSTR and + _PCRLR system calls. + +Wed Feb 21 17:07:27 1996 Andrew Cagney <cagney@highland.com.au> + + * NOTES: New file. Ramblings on why things were done they way + they were. + + * psim.c (psim_options): Didn't enter the model value into the + device tree as a string. + + * cpu.c (cpu_synchronize_context): Wrong test for conditional + flush of cache. + + * emul_generic.c (emul_add_tree_hardware): reg value didn't match + bus address. + + * ppc-opcode-flat: new file. Generate an instruction decode + function like ppc-opcode-complex but use switch statements. + + * INSTALL: document new opcode file, add example configurations. + +Tue Feb 20 18:42:31 1996 Andrew Cagney <cagney@highland.com.au> + + * main.c (main): rename psim instance (system) to simulation and + make global. + * main.c (error): print out performance even when an error occures. + + * emul_bugapi.c (emul_bugapi_create): Fix argument passing. + + * emul_generic.c (emul_add_tree_hardware): Move hardware devices + to 0x80000000 from 0x400000. + +Mon Feb 19 22:54:40 1996 Andrew Cagney <cagney@highland.com.au> + + * ppc-instructions (TLB Invalidate Entry, TLB Invalidate ALL): + Implement by passing on request to all processors. + * ppc-instructions (TLB Synchronize): Implement as empty, processor + tlb's are always in sync. + + * cpu.c (cpu_page_tlb_invalidate_all): New function. Pass on TLB + invalidate request to processors VM sub-system. + * cpu.c (cpu_page_tlb_invalidate_entry): Ditto. + + * vm.c (vm_page_tlb_invalidate_all): New function. Mark all page + TLB entries as invalid. + * vm.c (vm_page_tlb_invalidate_entry): New function. Ditt but only + invalidate one TLB entry. + + * psim.c (psim_init): Invalidate TLB's before (re)starting. + +Mon Feb 19 21:25:56 1996 Andrew Cagney <cagney@highland.com.au> + + * emul_generic.c (emul_add_tree_options): Add argument + oea_interrupt_prefix (0 or 1) that specifies the prefix MSR[IP] + and hence the location of the interrupt vectors. Add this to the + device tree. + + * emul_chirp.c (emul_chirp_create): Allow configuration of + floating-point and interrupt prefix (default 0) using the above. + + * emul_netbsd.c (emul_netbsd_create): Pass dummy arg for + interrupt-prefix. + + * emul_bugapi.c (emul_bugapi_create): Allow configuration of + interrupt prefix (default 1) and configure interrupt table traps + accordingly. + + * emul_generic.c (emul_add_tree_hardware): Include a small eeprom + in the list of devices. + + * device_table.c: For moment fake eeprom device by a memory + device. In future will need a proper eeprom device. + +Tue Feb 20 17:01:26 1996 J.T. Conklin <jtc@rtl.cygnus.com> + + * config.in: Regenerated. + +Fri Feb 16 10:42:27 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * psim.c: Include options.h so print_options is declared. + +Thu Feb 15 18:10:13 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * emul_netbsd.c (toplevel): Do not include sys/resource.h if the + system doesn't have it, and turn off getrusage processing. + (write_rusage): #ifdef out if we don't have getrusage. + (do_getrusage): Define as 0 if we don't have getrusage. + +Wed Feb 14 17:38:12 1996 J. T. Conklin <jtc@cygnus.com> + + * configure.in (AC_HEADER_DIRENT): Add, so that we can figure out + where the directory functions are declared. + * configure: Regenerate + + * emul_netbsd.c: Use the macros defined by configure to find the + appropriate directory functions. + +Thu Feb 8 00:53:13 1996 Andrew Cagney <cagney@highland.com.au> + + * configure.in (xor_endian): Trace setting of xor-endian flag. + +Wed Feb 7 18:20:56 1996 Andrew Cagney <cagney@highland.com.au> + + * psim.c (psim_usage): Extend documentation. + + * ppc-instructions (model-print): fix typo. + +Sun Feb 4 23:58:02 1996 Andrew Cagney <cagney@highland.com.au> + + * configure.in (with-smp): Default configuration allow up to + five processors (but enable only one). + + * emul_bugapi.c (emul_bugapi_create): If floating-point is + allowed, enable the floating point instruction set in the + msr. + +Tue Jan 30 22:52:32 1996 Andrew Cagney <cagney@highland.com.au> + + * emul_chirp.c (chirp_emul_seek, chirp_emul_read, + chirp_emul_write): Tolerate invalid ihandles. + + * device.c (device_instance_create, device_instance_delete): + init/delete instance name + + * emul_chirp.c (emul_chirp_instruction_call): Read the nr args and + returns when determining the service. + + * emul_chirp.c (chirp_read_t2h_args): Allow variable number of + args for the method "call-method". + + * emul_chirp.c (chirp_emul_getprop): Tolerate a n_returns of zero + - should be one. Some OpenBoot code doesn't pass correct arg. + + * emul_chirp.c (chirp_emul_getprop): Trace more property types. + +Tue Jan 30 19:12:29 1996 Andrew Cagney <cagney@highland.com.au> + + * RUN: New file. Describe how to run PSIM + * INSTALL: New file. Describe how to install PSIM + * README: New file. Overview PSIM. + * BUGS: New file. Briefly discuss bugs and limitations + +Wed Jan 24 20:28:08 1996 Andrew Cagney <cagney@highland.com.au> + + * emul_bugapi.c (OEA_START_ADDRESS): Put it back to 0x100000, + wasn't correctly using GLD. + +Mon Jan 22 22:44:13 1996 Andrew Cagney <cagney@highland.com.au> + + * emul_generic.c (emul_add_tree_options): Make default number of + active processors 1 (even when SMP enabled). + +Mon Jan 22 22:37:34 1996 Andrew Cagney <cagney@highland.com.au> + + * device_table.c (icu_io_read_buffer_callback): Add extra register + (at addr + 4) that returns number of processors. + + * emul_generic.c (emul_add_tree_hardware): Update device node to + match. + +Mon Jan 22 22:00:42 1996 Andrew Cagney <cagney@highland.com.au> + + * emul_bugapi.c (OEA_START_ADDRESS): Change to 0x4000 so that it + matches gas-960116/ld. + +Fri Jan 19 00:32:27 1996 Andrew Cagney <cagney@highland.com.au> + + * psim-960119 released - psim-1.0b01. + +Fri Jan 19 00:32:27 1996 Andrew Cagney - aka Noid <cagney@highland.au.com> + + * psim.c (psim_create): Re-order so that all options are set + before the CPU's are created. Was breaking mon_create(); + + * psim.c (psim_create): Tidy up conflicting configuration errors. + + * debug.c: Add missing print-info entry to trace table. + + * os_emul.c (os_emul_create): Fix `-e' option. Was looking under + wrong name. + + * psim.c (psim_options): Fix `-r' option. Was entering under wrong + name. + +Thu Jan 18 20:33:48 1996 Andrew Cagney <cagney@highland.com.au> + + * vm.c (om_unpack_bats): Fix checking of bat bits. + + * emul_chirp.c (emul_chirp_create): Store address of OB in memory + in the os_emul_data structure. + + * emul_bugapi.c (emul_bugapi_create): Store the address of the + bugapi code (in main memory) in the os_emul_data structure. + +Thu Jan 18 01:14:55 1996 Andrew Cagney <cagney@highland.com.au> + + * vm.c (om_translate_effective_to_real): Fix trace output. + +Wed Jan 17 22:21:55 1996 Andrew Cagney <cagney@highland.com.au> + + * device_table.c (generic_device_init_address): Create memory from + information obtained from `reg' property. + * device_table.c (vm_init_address_callback): Use information + obtained from properties. + * emul_netbsd.c (emul_netbsd_create): Update to create device and + property entries to match + +Tue Jan 16 09:50:53 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * idecode_expression.h (ALU_END): Add ITRACE of the result. + + * ppc-instructions (Equivalent): Enable this instruction. + (Add to Minus One Extended): Ditto. + (Subtract from Minus One Extended): Ditto. + (Add/And/Or/Xor Immediate): Add alu trace of result. + (Add/And/Or/Xor Shifted Immediate): Ditto. + (And/Or/Equivalent/Nand/Nor): Ditto. + (And/Or with Complement): Ditto. + (Extend Sign Byte/Half Word): Ditto. + (Count Leading Zeros): Ditto. + (Shift Right Algerbraic Word): Ditto. + (Shift Right Algerbraic Word Immediate): Ditto. + +Tue Jan 9 15:10:27 1996 Andrew Cagney <cagney@highland.com.au> + + * emul_bugapi.c (emul_bugapi_instruction_call) : Make format type + correct. + * emul_chirp.c (map_over_chirp_note) : Ditto + * emul_chirp.c (chirp_emul_test) : Ditto + * device_table.c (register_init): Ditto + +Tue Jan 9 14:16:26 1996 Andrew Cagney <cagney@highland.com.au> + + * configure.in: Make disable-sim-switch default. Switch only + useful if using --enable-sim-opcode=ppc-opcode-stupid and then + only marginally so. + +Mon Jan 8 12:17:22 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * device_table.c (register_init): Make format type correct. + +Wed Jan 3 19:21:46 1996 Andrew Cagney <cagney@highland.com.au> + + * emul_bugapi.c (emul_bugapi_create): Add nodes to init the + system-call trap to the emul instruction call instruction (Along + with an rfi and infinate loop). + + * emul_bugapi.c (emul_bugapi_instruction_call): Expand to include + a few real PPC bug calls. Test with simple hello world. + +Tue Jan 2 20:51:19 1996 Andrew Cagney - aka Noid <cagney@highland.com.au> + + * device.h, device.c (device_child, device_sibling): New + functions. Return corresponding device value. + + * emul_chirp.c (chirp_emul_child, chirp_emul_peer, + chirp_emul_parent): New functions - emulate corresponding OpenBoot + interfaces. + + * device_table.c (register_init): Extend properties attached to + register init node to allow a specific processor's register to be + specified. + + * emul_chirp.c (emul_chirp_create): Init SMP correctly - the + initial PC for all processors is an infinate loop but then, for + processor zero, is quickly changed to be the correct code starting + address. + + * emul_chirp.c (emul_chirp_create): Add fake bootpath + et.al. properties to tree. + + * emul_chirp.c (chirp_emul_getproplen): New function. Emulate the + getproplen OpenBoot call. + + * emul_chirp.c (emul_chirp_instruction_call): Document other + possible chirp emulation internal states. + + * emul_chirp.c (emul_chirp_instruction_call): Trace failed lookups + as well as successful ones. + + * emul_chirp.c (emul_chirp_open): New function - handle open + client call. + + * Makefile.in (maintainer-clean): Proper rule that eliminates more + junk. + +Tue Dec 19 13:00:11 1995 Andrew Cagney <cagney@highland.com.au> + + * emul_chirp.c (chirp_emul_exit): Full out call. + + * device_table.c (htab_map_page): Wasn't handling byte swap when + creating entries in the hash table. + + * device.c (device_tree_find_node): Allow primative wild-card match + of device names with the path. + + FIXME: As mentioned earlier, the device stuff needs work to bring + it into line with OpenBoot. Part of this work is rewriting the + find_node function so that it behaves as specified in p1275. + +Mon Dec 18 19:58:56 1995 Andrew Cagney <cagney@highland.com.au> + + * emul_chrp.c (chirp_emul_write, chirp_emul_finddevice): add + better tracing. + + * emul_chrp.c: Change return type of emul functions to int. Emul + functions either return -1 or zero so unsigned was a bit + dangerous. + + * inline.h (*), igen.c, dgen.c, *: Update INLINE macros so that + they are paramaterised with the type of the function. Gets around + the problem of `static' needing to come first with `attribute' + comming last. Format declarations and definitions so that emacs + doesn't get confused. + +Fri Dec 15 17:06:44 1995 Andrew Cagney <cagney@highland.com.au> + + * std-config.h (PSIM_INLINE): Add missing inline configuration + control for the main loop. + + * mon.c (mon_print_info): If monitoring disabled still print out + the number seconds used. + + * psim.c (run_until_stop): Don't monitor the cache misses when + monitoring is disabled. + + * configure.in (sim_mon, sim_monitor): Correct typo - sim_mon -> + sim_monitor for shell variable (or should that have been the other + way around?). + + * vm.c (vm_synchronize_context): Fix wrong test for unsuported + change in endian-mode. + + * std-config.h (WITH_REGPARM), inline.h (IDECODE_INLINE, + SEMANTICS_INLINE): Add -DWITH_REGPARM=<n> option. Enables the + __attribute__((__regparm(WITH_REGPARM))) for some functions. + configure with --enable-sim-cflags="-DWITH_REGPARAM=3" (say). + Unfortunatly it tickles a bug (gcc?) and can't be used. + +Mon Dec 18 13:36:06 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * device.c (device_tree_add_device): Make trace fprintf arguments + type correct. + * device_table.c (htab_decode_hash_table): Ditto. + (htab_map_binary): Ditto. + (htab_init_callback): Ditto. + * vm.c (om_virtual_to_real): Ditto. + +Sat Dec 16 09:54:18 1995 Michael Meissner <meissner@wogglebug.tiac.net> + + * emul_netbsd.c (emul_netbsd_create): Deal with new BFD that + changed how big/little endian support is recorded, while remaining + compatible with the old BFD with #ifdefs. + * emul_chirp.c (emul_chirp_create): Ditto. + * emul_bugapi.c (emul_bugapi_create): Ditto. + +Fri Dec 15 15:55:56 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * std-config.h (MODEL_INLINE): Turn off INLINE_MODULE by default. + + * corefile.h: Delete declarations for unknown functions. + * device.h: Ditto. + * interrupts.h: Ditto. + * interrupts.c: Ditto. + +Thu Dec 14 18:49:34 1995 Andrew Cagney <cagney@highland.com.au> + + * lf.c (lf_print_function_type): New function. Munges a function + type so that the prefix (eg INLINE...) is inserted after the type + but before any `*'. + + * igen.c: Change to output functions using this. + +Wed Dec 13 23:47:00 1995 Andrew Cagney <cagney@highland.com.au> + + FIXME: Emul CHIRP does not correctly implement the find device + function. + + FIXME: Emul CHIRP and device do not implement device instance + operations. + +Wed Dec 13 23:47:00 1995 Andrew Cagney <cagney@highland.com.au> + + * options.c (options_inline): Function to output meaningful + description of the INLINE options. + + * configure.in (inline): Replace inline magic numbers with macro + names. Map 1->LOCALS_INLINE and 2->ALL_INLINE. + + * inline.h, inline.c: update to use inline method. + + * std-config.h (CPU_INLINE), cpu.h, inline.h, inline.c: make cpu.h + inline always. + + * std-config.h (EVENTS_INLINE): Inline events in psim. + +Wed Dec 13 22:01:21 1995 Andrew Cagney <cagney@highland.com.au> + + * device_table.c (htab_sum_binary): DMA binaries to correct byte + within a page. + +Tue Dec 12 22:51:18 1995 Andrew Cagney <cagney@highland.com.au> + + * psim.c (psim_merge_device_file): Change `=' to `==', was this an + error? + +Tue Dec 5 11:56:14 1995 Andrew Cagney <cagney@highland.com.au> + + * ppc-instructions (ppc_nr_mtcrf_crs, ppc_branch_conditional_name, + ppc_function_unit_name): Simplify by declaring these arrays as + pure and simple static (instead of STATIC_MODEL). + +Tue Dec 5 00:45:34 1995 Andrew Cagney <cagney@highland.com.au> + + * sim_calls.c (sim_create, sim_load), main.c (main), psim.c: Pass + an options device into psim_create() so that options can be merged + into the tree. + + * device.c (*add*): Change semantics so the add functions only add + when the new device (or property) doesn't already exist. This + allows merging of options and data. + +Mon Dec 4 17:12:13 1995 Andrew Cagney <cagney@highland.com.au> + + * Makefile.in (BASICS_H): Didn't include basics.h in the list of + header files to depend on. + +Mon Dec 4 17:12:13 1995 Andrew Cagney <cagney@highland.com.au> + + * std-config.h: (*_MODULE): Extend the <module>_inline macro's so + that they also allow control over static functions. Rewrite + document to reflect this. + + * std-config.h: (INLINE): Simplify definition, the above and + earlier changes to igen.h eliminate the need to be defensive about + enabling the inline of static functions. + + * std-config.h: (SIM_ENDIAN_INLINE, BITS_INLINE): Document limited + suport for inlineing of modules for all callers. Adjust relevant + macro's so that DEFAULT_INLINE will enable this. + + * basics.h: Re-order #includes and definitions so that c-code for + basic include files does not call functions delcared in later + #includes. + + * basics.h (__attribute__), sim_callbacks.h: Move attribute macro + to basics.h and add hack (include <stdio.h>) to try and bring that + and other possible conflicting macros into scope much earler. + + * sim-endian.h,c (SIM_ENDIAN_INLINE) bits.h,c (BITS_INLINE): + Change to use the updated inline definitions. If enabled + immediatly include the corresponding c-code so that it will inline + for all modules. + + * inline.h, inline.c (SIM_ENDIAN_INLINE, BITS_INLINE): Remove + these cases, moved to module specific header files. + +Sat Dec 2 18:37:51 1995 Andrew Cagney <cagney@highland.com.au> + + * vm.c, vm_n.c: Fix htab code. + + * vm.c (vm_data_map_read_buffer): Was using EA not RA when reading + the data from core. + + * device.c: Fix htab create code. + +Fri Nov 24 23:10:09 1995 Andrew Cagney <cagney@highland.com.au> + + * bits.h, bits.c (EXTRACTED): Convert to function, fix - had && + instead of &. + + * sim-endian.h (SWAP_N), sim-endian-n.h, sim-endian.c: How + embarasing - fix yet another bug in the swap code! Simplify + everything by using more functions. Add host to big-endian byte + swapping support. + +Fri Nov 24 23:10:09 1995 Andrew Cagney <cagney@highland.com.au> + + * devices.h, devices.c: delete, replaced by the files + device_table.[ch] and device.[ch]. + * device_tree.h, device_tree.c: ditto + + * device_table.h, device_table.c: New files. Contain a table of + devices. + + * device.h, device.c, Makefile.in, std-config.h (DEVICE_INLINE), + options.c (print_options): New files. Define the device object + along with any attached properties. + + * device_tree.h, device_tree.c: Update to use new device object. + For convenience, change the printd functions into device_tree_add + functions. + + * psim.c (create_*_tree): Use new device_tree create functions. + + * corefile.h, corefile.c corefile-n.h (core_n.h): Update to use + the new device.h / device_table.h interface. Rename core_n.h to + corefile-n.h to be consistent with other n files. + + * Makefile.in (run): add corefile-n.h to dependencies for + corefile. + + * basics.h (device_instance), device.h, device.c, device_table.h, + device_table.c: Add the concept of a device instance and operators + on these instances - corresponds to ihandle in OpenBoot speak. + Don't yet implement it. + +Tue Nov 14 12:27:08 1995 Andrew Cagney <cagney@highland.com.au> + + * emul_generic.h, emul_generic.c (emul_syscall_enter, + emul_syscall_exit): rename from emul_enter_call / + emul_exit_call. As only used by emul_do_system_call simplify + associated code. + + * os_emul.h, os_emul.c, emul_generic.h: Correct and fill an + os_emul interface. + + * os_emul.c, emul_bugapi.h, emul_bugapi.c, Makefile.in: Add + preliminary hooks for a kernel mode rom emulation. + + * cap.h (new), cap.c (new): Capability data base. Some emulations + pass object identifiers (capabilities?) to/from the simulated code + (for instance the phandle in OpenBoot). The cap object is able to + check/map between internal and external (target program) + representations of each identifier. + + * os_emul.c, emul_chirp.h, emul_chirp.c, Makefile.in: Add + preliminary hooks for a kernel mode IEEE-1275 emulation. + + * cpu.h, cpu.c (cpu_create, cpu_os_emulation, cpu): Add os_emul to + list of arguments passed in when creating a cpu. Grant access to + the element. + + * std-config.h (OS_EMUL_INLINE), options.c (print_options), + inline.h, inline.c: New to allow control over inline of + corresponding code files. + + * ppc-instructions (instruction_call): Add illegal instruction to + call the instruction-call emulation handler. + + * interrupts.c (system_call_interrupt): Call renamed + os_emul_system_call function(). + + * emul_netbsd.c: Update to interface to generic emulation. Since + all its functions are called via a table don't worry about any + inline. + + * emul_generic.h, emul_generic.c, spa-*(delete): Remove references + and code for spa, no longer to be used. + + * psim.c (create_chirp_device_tree): Fill out what was previously + the openboot create function so that it starts to create a full + OpenBoot device tree. + +Tue Nov 28 21:48:06 1995 Andrew Cagney <cagney@highland.com.au> + + * debug.h, debug.c: pte trace is made redundant by htab trace, + delete it. Add vm to list of options. Simplify tracing output so + lines are not as long. + +Tue Nov 14 12:27:08 1995 Andrew Cagney <cagney@highland.com.au> + + * events.h, events.c (event_queue_init), psim.c (psim_init): (re) + initialize the event queue. + + + + + + +Tue Nov 28 13:38:26 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * sim-endian.h: Look at WORDS_BIGENDIAN to determine if the host + is big endian or little endian. For SWAP_n, use htonl/htons if + host is little endian, not big endian and if WITH_NTOH is defined. + + * configure{,.in} (--enable-sim-model-issue): Instead of defining + 0/1, define it to be MODEL_ISSUE_{PROCESS,IGNORE}. Add + AC_C_BIGENDIAN to determine if the host is big endian or not. + * config.in: Regenerate. + + * std-config.h (WITH_MODEL_ISSUE): Default to 0. + (CURRENT_MODEL_ISSUE): Reference WITH_MODEL_ISSUE, and if that is + 0, use current_model_issue. + (MODEL_ISSUE_{PROCESS,IGNORE}): Define as -1/1. + + * psim.c (current_model_issue): New global variable. + + * cpu.c (cpu_create): Use CURRENT_MODEL_ISSUE > 0 instead of + WITH_MODEL_ISSUE. + (cpu_{init,halt}): Ditto. + * mon.c (mon_print_info): Ditto. + * ppc-instructions (PPC_INSN_* macros, branch handling): Ditto. + + * mon.c (mon_print_info): Print instructions/second if verbose > 0, + rather than > 1. + + * main.c (main): Set current_model_issue to MODEL_ISSUE_PROCESS if + the -I switch is used. + * sim_calls (sim_open): Ditto. + + * ppc-instructions (model support): Add support for determining + when we don't have enough writeback slots. Add tracing for the + beginning of each cycle. + +Mon Nov 27 17:46:33 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * mon.c: Check for whether to include sys/types.h and sys/time.h. + + * configure.in: Check for include files sys/types.h and + sys/time.h. + * configure: Regenerate. + * config.in: Regenerate. + + * cpu.h (CONST_ATTRIBUTE): Define as __attribute__((__const__)) if + not already defined. + (cpu_system): Use CONST_ATTRIBUTE, so that when we're not inlining + the world, the optimizer has a fair chance of CSE'ing function + calls. + (cpu_{monitor,nr,registers,model}): Ditto. + + * std-config.h (MODEL_INLINE): If not defined, define as 1 if + DEFAULT_INLINE is non-zero, 0 otherwise, rather than just the + value of DEFAULT_INLINE. + +Fri Nov 24 11:24:34 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * lf.h (__attribute__): If not GCC and at least 2.7.0, define as + nothing. + (lf_printf): Add printf __attribute__, so the compiler will + automatically check the format string. + + * configure{,.in} (--enable-sim-icache): If argument is define, + add -R to flags passed to igen. + + * igen.c (stdlib.h): Include if the system supplies one. + (semantics_use_cache_struct): New global for -R flag to say + semantics is to use the cache structure directly rather than + putting the values into local variables. + (first_undef, last_undef): New structures to remember names to + #undef if -R. + (lf_print_c_extraction): If -R and this is semantics, emit names + as #defines pointing to the cache structure, rather than loading + the values into local variables. + (lf_print_c_semantic_function): If -R, #undef all of the names + defined in lf_print_c_extraction. + (main): Recognize -R. + + * idecode_fields.h (SPR_*): Redefine spr_* macros as SPR_* to + avoid a name confict if -R passed to igen. + + * ppc-instructions (mfspr, mtspr): Rename spr field to SPR. + (model_data): Add field to count the various # of CRs that the + mtcrf instruction used. + (model_mon_info): Return structures counting the # of CRs that the + mtcrf instruction used. + (branches, sync instructions): Do not call model functions if + WITH_MODEL_ISSUE is 0. + + * mon.c (stdlib.h): Include if the system supplies one. + (mon_sort_instruction_names): New function to sort instruction + names alphabetically. + (mon_print_info): Call qsort with mon_sort_instruction_names to + sort instruction names. Don't abort if WITH_MODEL_ISSUE is 0. + + * debug.h (ITRACE): Make printf_filtered arguments type correct. + * idecode_expression.h (CR0_COMPARE): Ditto. + * psim.c (psim_read_register): Ditto. + + * igen.c (lf_print_my_prefix): Use __attribute__((__unused__)) to + silence compiler warnings about unused automatically generated + variables. + (lf_print_c_extraction): Ditto. + * idecode_expression.h (FPSCR_BEGIN): Ditto. + + * ppc-cache-rules: Define rules for making a bitmask for all + registers. + + * ppc-instructions: Rewrite model specific functions to use the + bitmask of the register number, instead of using the register + pointer to get the register number, and then making the bitmask. + +Wed Nov 22 15:24:27 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * ppc-instructions (model_branches): Add conditional argument to + count the number of times each type of conditional branch is used. + (conditional branches): Pass B0 or -1 to model_branches. + (model_mon_info): Print out conditional branch counts. + (model-data): Add support for printing out conditional branch + types. + +Tue Nov 21 16:31:25 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * igen.c (insn_table_load_insns): Add support for model-static for + internal functions that should not be inlined. + (lf_print_c_semantic): Remove model_cleanup. + (gen_model_{c,h}): Ditto. + + * ppc-instructions: Redo model specific support once again. Add + floating point support to the model specific information. Flesh + out all of the floating mutiply add/subtract instructions. Add + better tracing support to the model specific information. + +Sun Nov 19 23:00:52 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * ppc-instructions (model data, model_busy): Rather than using a + bit mask for the busy units, just use a char array. Also, only + support 2 function units an insn can use, rather than a loop. + +Fri Nov 17 14:08:08 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * table.c (table_entry_read): Move setting entry->line_nr to after + the model specific fields so the line numbers for the annex are + correct. + + * cpu.c (cpu_{create,init,halt}): Check for WITH_MODEL_ISSUE + before calling the model functions. + + * debug.c (trace_descriptor): Add trace_model support. + * debug.h (trace_options): Ditto. + + * igen.c (gen_icache_h): Create type idecode_cache as void if not + caching instructions. + (gen_model_{c,h}): Drop model_issue support. Add support for + model_cleanup. + (lf_print_my_prefix): Initialize a const itable_index with the + current index. + (lf_print_c_semantic): Call model_cleanup at the end of the + function to check for instructions that aren't supported yet by + the scheduling code. + + * mon.h (count_type): New type for counters. + * mon.c: Use count_type instead of unsigned. + + * ppc-instructions: Redo scheduling code once again. Make it all + inline friendly. Instead of having general code emitted by igen, + go the route of having each semantic routine call the appropriate + module. + +Thu Nov 16 09:52:26 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * table.c (table_entry_read): Allow the annex to have blank lines. + + * ppc-instructions: Change lines in model stuff that just have a + tab to just newline. Add 601 support. Document most instructions + in terms of model specific timing information. Drop 'FUNCTION' + from PPC_FUNCTION_UNIT_xxx enums. Change PPC_UNIT_UNKNOWN -> + PPC_UNIT_BAD. Add TRACE(trace_tbd) for all data cache + instruction.s. Signal illegal instruciton if data cache block + invalidate is issued from problem state. + + * igen.c (max_model_fields_len): New static to keep track of the + max size for the model specific fields. + (model_c_insn): Use max_model_fields_len to size fields. + (insn_table_insert_insn): Set max_model_fields_len. + (model_table_insert): Ditto. + (gen_model_{c,h}): Model_issue is now called with a processor + argument. + + * debug.c (trace_description): Add support for trace_tbd. + + * mon.c (mon_issue): Pass processor argument to model_issue. + + * Makefile.in: Delete all function unit support, since the newer + table driven model support replaces it. + * cpu.{c,h}: Ditto. + * mon.c: Ditto. + * inline.{c,h}: Ditto. + * std-config.h: Ditto. + * options.c: Ditto. + * configure{,.in}: Ditto. + * Makefile.in: Ditto. + * psim.c: Ditto. + * function_unit.{c,h}: Delete these now usused files. + + * std-config.h (WITH_MODEL_ISSUE): Add new macro on whether to + trace instructions in a model specific manor. + * options.c (print_options): Print it out. + * configure{,.in}: Add --enable-sim-model-issue option. + * Makefile.in: Add --enable-sim-model-issue flags. + * igen.c (lf_print_c_semantic): Add call to mon_issue here. Check + for WITH_MODEL_ISSUE. + * mon.c (mon_issue): Remove call to mon_issue_here. + + * ppc-instructions: Move branch tracing to the actual branch + instructions, rather than testing it in model_issue. Add code to + code successful/unsuccessful branch predictions, and the number of + conditional branches that fell through. + +Wed Nov 15 17:32:13 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * cpu.h (cpu_model): Add declaration. + + * cpu.c (struct _cpu): Add model_ptr to hold model specific + information. + (cpu_model): Return the model internal pointer. + (cpu_{create,init,halt}): Call the appropriate model function. + + * inline.c (mon.c): Move include of mon.c after model.c. + + * mon.c (_cpu_mon): Add fields to count unaligned memory + references. + (mon_issue): Call model_issue, not function_unit_issue. + (mon_{read,write}): Count # of unaligned memory accesses. + (mon_print_info): Switch to calling model_mon_info and + model_mon_info_free instead of function_unit version. Print out + number of unaligned reads/writes. + + * {ppc-instructions,igen.c}: More global changes to add model + specific features. + + * inline.{c,h}: Provide for inlining options.c. + * options.{c,h}: Ditto. + * std-config.h: Add OPTIONS_INLINE. + +Tue Nov 14 04:47:25 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * Makefile.in (devices.o, main.o): Update dependency. + + * igen.c (gen_model_h): Use correct variable in loop. + (gen_model_c): Use strcmp, strcasecmp. + (gen_model_c): Use EXTERN_MODEL for arrays. + (gen_model_h): Use STATIC_MODEL for arrays. + (lf_print_c_semantic_function_header): Delete unused function. + + * main.c (cpu.h): Include cpu.h to get model.h. + + * inline.h ({EXTERN,STATIC}_MODEL): Define. + +Mon Nov 13 09:14:13 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * igen.c ({insn,model}_table_fields): Spell mnemonic correctly. + (gen_itable_h,itable_c_insn): Ditto. + (model support): Move model support around, add support for + model-data, model-internal. Use annex field for model-macros + now. + + * configure.in (--enable-sim-inline): If --enable-sim-inline=no, + also define INLINE as nothing. + * configure: Regenerate. + + * std-config.h (INLINE): Rather than nuking INLINE, only define it + as __inline__ if any of the INLINE flags are non-zero. + + * options.c (print_options): Print out WITH_XOR_ENDAIN. + +Mon Nov 13 23:03:45 1995 Andrew Cagney <cagneyhighland.com.au> + + * ppc-instructions (rfi): Add missing code. + + * cpu.c (cpu_get_time_base): Fix calculation of current value of + time base register. + + * ppc-spr-table (TBL, TBU): Fix TBL/TBU entries - was confusing + m[tf]tb with m[tf]spr. + + * ppc-instructions (mtspr, mfspr): Fix mttbl - wasn't storing + lower word. + +Mon Nov 13 21:35:37 1995 Andrew Cagney <cagneyhighland.com.au> + + * std-config.h (INLINE, STATIC_INLINE): Was being set to static + inline.. Only problem being that with ppc-opcode-simple this gave + it the chance to inline all the idecode functions with potentially + disasterous results on a 16mb PC. For moment hobble INLINE. + + * configure.in, std-config.h (WITH_SMP): Make that 5 processors by + default ... + + * configure.in: Tweek flags passed to gcc for --with-sim-warnings. + Firstly make them errors and secondly remove the options gcc-245 + doesn't reconize. + +Mon Nov 13 17:57:24 1995 Andrew Cagney <cagney@highland.com.au> + + * misc.c (zalloc), cpu.c (cpu_init), devices + (console_io_read_buffer_callback, icu_io_read_buffer_callback, + vm_io_read_buffer_callback), main.c (zalloc), mon.c (memset), + sim_calls.c (zalloc) : replace bzero() with memset(). + + * emul_netbsd.c (write_direntries), psim.c (psim_read_register, + psim_write_register): replace bcopy() with memcpy(). + +Sun Nov 12 20:55:41 1995 Andrew Cagney <cagneyhighland.com.au> + + * configure.in: for --disable-sim-inline (--enable-sim-inline=no), + force DEFAULT_INLINE to 0 rather then trusting the std + configuration. + +Sun Nov 12 20:55:41 1995 Andrew Cagney <cagneyhighland.com.au> + + * igen.c (lf_print_idecode_table, idecode_table_leaf): Fix + generation of switch entries in tables - treat the same as + cracking/semantic functions. + + * igen.c (idecode_switch_end, idecode_switch_leaf): Fix generation + of a boolean switch statement (field zero or non-zero). + + * ppc-opcode-test-1, ppc-opcode-test-2: New files. These test the + switch/table generation ability of igen. + + * igen.c (idecode_switch_leaf): Fix code output when a switch + statement needs to look up a table. + + * igen.c (idecode_declare_if_switch): New function called from + gen_idecode_c - need to declare any idecode switch functions + before they are used in idecode tables. + + * igen.c (lf_print_c_cracker_function, idecode_crack_leaf, + idecode_crack_insn): Add is_inline_function argument to code + printing cracker functions which indicates if STATIC_IDECODE or + STATIC_INLINE_IDECODE should be used for definition. For + idecode_crack_insn (which implies not duplicating/expanding) don't + declare function as inline - we assume that the only time this is + code is generated is when things are being tested. For + idecode_crack_leaf, make static (instead of INLINE) if the + instructions parent is a table as function will always be called + via a table. + + * igen.c (idecode_expand_if_switch): Declare as STATIC_IDECODE not + STATIC_INLINE_IDECODE. Only the outermost idecode switch will be + called directly, all others are called via a table. + + * igen.c (lf_print_semantic_function_header, semantics_h_leaf, + semantics_h_insn, semantics_h_function, + lf_print_c_semantic_function, semantics_c_function): Add + is_inline_function argument to lf_print_semantic_function_header + to indicate if an inline or static function declaration/definition + should be output. Depending on situtation call accordingly: + functions (not instruction semantic routines) are always inline; + Semantic routines are made inline when there is no icache (cache + will contain the function address) and are duplicating (see above) + and the parent of the instruction is a switch statement. + + * igen.c (opcode_field_new): Delete. Code changed to use ZALLOC + and moved to insn_table_find_opcode_field. + + * table.c (table_open): Fix typo (nr_model_fields vs nr_fields). + + * igen.c (model_c_insn): Suggestion - document the name of the + instruction on each line of the instruction model table. + +Fri Nov 10 00:44:38 1995 Andrew Cagney <cagneyhighland.com.au> + + * emul_netbsd.c (do_ioctl): Cleanup compilation. + + * sim_callbacks.h (__attribute__): Only define if not defined (was + already defined on NetBSD host). + +Wed Nov 8 21:49:52 1995 Andrew Cagney <cagneyhighland.com.au> + + * std-config.h (WITH_XOR_ENDIAN), configure.in, Makefile.in: New + macro, indicates if the PowerPC's horrible XOR endian mode should + be suported. Add to configure and make. + + * vm_n.h (vm_data_map_read_N, vm_data_map_write_N), vm.c + (vm_instruction_map_read): If XOR endian, xor the address + with a value from an xor table (indexed by size of access). + + * vm.c (vm_synchronize_context), cpu.c (cpu_synchronize_context): + set up xor table to xor if there is a conflict between the + CURRENT_TARGET_ENDIAN and the endian indicated in the MSR. Move + check of suported change of endian mode from cpu.c to vm.c. + + * vm.c (vm_data_map_write_buffer, vm_data_map_read_buffer): + Hopefully added correct hack to handle XOR endian mode. + + FIXME: If NONSTRICT alignment and XOR ENDIAN and MSR indicates + little endian mode, the model accepts miss aligned transfers. + + FIXME: Need to create an `init' device that, during + initializatioin for XOR mode, it mushes (XOR address) all the dma + data before passing it on to the core for storage. Just like the + real thing really. + +Wed Nov 8 21:49:52 1995 Andrew Cagney <cagneyhighland.com.au> + + * devices.c (halt_io_write_buffer_callback): Use value written to + halt device to determine exit status. Thus allowing + success/failure of OEA tests. + +Wed Nov 8 00:10:38 1995 Andrew Cagney <cagneyhighland.com.au> + + * ppc-instructions (icbi): If icache present flush it. + +Tue Nov 7 23:36:31 1995 Andrew Cagney <cagneyhighland.com.au> + + * devices.c (htab_init_callback): Add code to create htab/pte. + + * devices.c (dma_file, file_init_callback, htab_init_callback): + New function - Dma the named file into memory at the specified + address. Use. + + * device_tree.h, device_tree.c (scand_*): New functions. + +Tue Nov 7 23:36:31 1995 Andrew Cagney <cagneyhighland.com.au> + + * filter_filename.c, Makefile.in: Change so that only dependant on + a very limited nr of files. Stops an unnecessary dependency. + +Tue Nov 7 15:44:33 1995 Andrew Cagney <cagney@highland.com.au> + + * core.c (core_map_find_mapping): Use cpu_halt rather than error + to abort an access to an undefined address. + +Sun Nov 12 07:58:09 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * igen.c (model_table_insert_{macro,function}): New functions. + (insn_table_load_insns): Call them. + (gen_model_h): Move section emiting model-macros to be first. + (model_{c,h}_function): New functions cloned from semantic + functions to print out the prototype and function for + model-functions. + (gen_model_{c,h}): Print out model-functions. + + * ppc-instructions (model_{start,halt,print_info}): Add dummy + model-functions. + + * options.c (print_options): Print out WITH_{,DEFAULT_}MODEL, not + WITH_PPC_{,DEFAULT_}_MODEL. + (options_ppc): Delete now unused function. + (cpu.h): Include cpu.h, not just basics.h. + + * std-config.h (WITH_{,DEFAULT_}MODEL): Define. + + * igen.c (model_macros, last_model_macro): New statics to keep + track of macros to go in model.h. + (insn_table_load_insns): Add model-macros to model_macros linked + list. + (model_table_fields): Add field for printable name. + (gen_model_h): If there are model macros defined, print them out. + Print out DEFAULT_MODEL as the first model if there any models + specified, otherwise MODEL_NONE. Print out external decl for + current_model. Print out decl for model_set. + (gen_model_c): Add function model_set. Switch to use printable + name for the model, not the internal identifier used. + + * psim.c (current_model): New global variable. + + * ppc-instructions: Add macros for flag defines. Switch first + model so 604 is first. + + * main.c (main): Call model_set, not function_unit_model. + * sim_calls.c (sim_open): Ditto. + * sim_calls.c, Makefile.in: sim_calls.c now includes cpu.h. + +Sat Nov 11 07:27:41 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * mon.h (mon_events): New enumeration for other events we want to + handle. + (mon_event): Add declaration for function. + + * mon.c (mon_event): New function. + (mon_print_info): Print icache misses. + + * psim.c (run_until_stop): Monitor icache misses. + + * configure.in (--enable-sim-inline): Fix typos in handling comma + separated inline options. + (--enable-sim-icache): Echo icache size. + * configure: Regenerate. + + * igen.c (semantics_h_print_function): Emit STATIC_SEMANTICS + instead of INLINE_SEMANTICS so that the compiler won't keep all of + the semantic functions as inline RTL, given that the address of + the function is taken which forces outline calls anyway. + (lf_print_c_semantic_function_header): Ditto. + (gen_semantics_h): Define STATIC_SEMANTICS as nothing if not + defined. + (lf_print_c_cracker_function): Emit STATIC_IDECODE instead of + STATIC_INLINE_IDECODE. + (gen_idecode_c): Define STATIC_IDECODE if not defined. + (gen_model_h): Use #ifdefs to define types to hold model units, + cycles, and flags. + (model_table_insert): Add a sentinel functional unit at the end to + simplify loop processing. + (model_c_insn): Use <function-unit>_SENTINAL instead of 0 for any + instruction not specifing a function unit for the current model. + (gen_model_{c,h}): Provide bounds for model_time_mapping. + + * inline.h (STATIC_SEMANTICS): Define to be static if + SEMANTICS_INLINE is defined. + (STATIC_IDECODE): Define to be static if IDECODE_INLINE is + defined. + + * options.c (print_options): Fix typo. + +Fri Nov 10 06:39:46 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure.in (--enable-sim-{opcode,config}): Use $srcdir when + check for the existence of files. + * configure: Regenerate. + + * table.c (table): New field nr_model_fields. + (table_open): New parameter nr_model_fields. + (table_entry_read): Parse model fields that begin with a '*' after + each instruction. + * igen.c, dgen.c: Change callers of table_open. + + * igen.c: Add support for dumping model specific information in + model.h and model.c. + (insn_field_name): Delete unused array. + (global variables): Make global variables static, so we can tell + when they are no longer used. + (cache_semantic_actual): Delete unused variable. + (insn_table_load_insns): If the insn is really a machine model, + call model_table_insert instead of other processing. + (model_table_insert): New function to handle defining the + functional units of a particular machine model. + (insn_table): Add last_function field so we can add functions at + the end. + (insn_table_insert_function): Use last_function field when + appending new function. + + * ppc-instructions: Add a few model specific information for 603, + 603e, and 604 for testing purposes. + + * table.h (table_model_entry): New linked list to hold model + specific information, one per line. + (table_entry): Add model_first, model_last fields. + + * configure.in (--enable-sim-inline): If gcc is found and + --enable-sim-inline is not specified, defaine DEFAULT_INLINE to 1, + not 2. + (--enable-sim-reserved-bits): New switch to check whether reserved + bits are set in the instruction. + (--enable-sim-opcode): Make complex the default. + (all switches): Add appropriate checks and error messages. + * configure: Regenerate. + + * Makefile.in (RESERVED_CFLAGS): New variable set by + --enable-sim-reserved-bits. + (CONFIG_CFLAGS): Include RESERVED_CFLAGS. + (BUILT_SRC): igen now generates model.c and model.h. + (LIB_OBJ): Include table.o. + (tmp-igen): Add -m/-M options to write model.c/model.h. + (model.o): New object. + (CPU_H): Include model.h. + + * cpu.h: Include model.h. + + * std-config.h (WITH_RESERVED_BITS): Define. + (MODEL_INLINE): Ditto. + + * options.c (print_options): Print out WITH_RESERVED_BITS. + +Thu Nov 9 12:22:15 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure.in: If --silent, don't output information messages. + * configure: Regenerate. + + * configure.in (--enable-sim-alignment): Fix typo in specifing non + strict alignment. + (--enable-sim-switch): Make default on. + (--enable-sim-duplicate): Make default on. + (--enable-sim-smp): Make default 0. + (--enable-sim-mon): Don't set sim_float if not set. + (--enable-sim-inline): If gcc is found and --enable-sim-inline is + not specified, define DEFAULT_INLINE to be 2. + (all --enable-sim-* rules): Echo rules set to non empty to file + descriptor 6. + * configure: Regenerate. + + * options.c (options_env): Fix typo if WITH_ENV is 0. + (print_options): Print GCC compiler version if available and + date/time options was compiled. If OPCODE_RULES, IGEN_FLAGS, + and/or DGEN_FLAGS are defined, print them. + + * Makefile.in (all link actions): Pass SIM_CFLAGS as well as + CFLAGS. + (options.o): Compile options.o with OPCODE_RULES, IGEN_FLAGS, and + DGEN_FLAGS defined, so they can be printed out. + + * igen.c (lf_print_c_validate): Check for WITH_ASSERT, so that + this test can be compiled away if the user really wants a fast + simulator by not doing assertion failures. + +Wed Nov 8 13:19:47 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * options.c: New file to print out all of the WITH_ options. + * options.h: New include file to declare print_options. + * debug.h (trace_options): Add trace_opts to call print_options. + * debug.c (trace_description): Add trace_opts support. + * main.c (main): If user requested options, print them. + * sim_calls.c (sim_open): Ditto. + + * igen.c (opcode_field_new): Add void to make it a proper prototype. + + * emul_generic.c (emul_enter_call): Make printf_filtered arguments + type correct. + * emul_netbsd.c (do_kill): Ditto. + * registers.c (registers_dump): Ditto. + * vm.c (om_translate_effective_to_real): Ditto. + * vm_n.h (vm_data_map_read_N): Ditto. + (vm_data_map_write_N): Ditto. + * devices.h (DTRACE_INIT): Ditto. + (DTRACE_{ATTACH,DETACH}_ADDRESS): Ditto. + (DTRACE_IO_{READ,WRITE}_BUFFER): Ditto. + (DTRACE_DMA_{READ,WRITE}_BUFFER): Ditto. + * devices.c (update_for_binary_section): Ditto. + (write_stack_arguments): Ditto. + (stack_ioctl_callback): Ditto. + * device_tree.c (device_tree_add_passthrough): Ditto. + (device_tree_{add,find}_device): Ditto. + (device_tree_{add,find}_integer): Ditto. + (device_tree_find_{string,boolean}): Ditto. + (device_tree_init{,_device}): Ditto. + (device_tree_dump): Ditto. + * sim_calls.c (sim_{read,write}): Ditto. + (sim_{fetch,store}_register): Ditto. + (sim_stop_reason): Ditto. + + * sim_callbacks.h (printf_filtered): Declare with attribute + printf, so we can enable format checks. + + * devices.c (console_io_{read,write}_buffer_callback): Cast swtich + argument to int, since ANSI doesn't allow long switch values. + * emul_netbsd.c (do___sysctl): Ditto. + + * emul_netbsd.c (do___sysctl): Fix up printf call. + + * corefile.c (core_translate): Don't do arithmetic with void * + pointers. Cast to char * first. + + * function_unit.c (FUNC_{LOAD,STORE}): Rename from {LOAD,STORE} + and change all uses. + + * Makefile.in ({FUNC,MODEL,WARNING}_CFLAGS): New flags set by + configure --enable switches. + (CONFIG_CFLAGS): Include FUNC_CFLAGS and MODE_CFLAGS. + (.c.o): Include WARNING_CFLAGS. + (CPU_H): Include function_unit.h. + (LIB_OBJ): Include function_unit.o. + (BUILT_SRC_WO_CONFIG): Split from BUILT_SRC and do not include + config.h or ppc-config.h. + (BUILT_SRC): Include BUILT_SRC_WO_CONFIG, config.h and + ppc-config.h. + (filter_filename.o): Include config.h/ppc-config.h dependencies. + (idecode.o, semantics.o, psim.o): Specify CC line without + WARNING_CFLAGS so that we don't get all of the unused variable + warnings that are generated. + (function_unit.o): Add rule to build. + (main.o, sim_calls.o): Add function_unit.h, itable.h dependencies. + (mon.o): Include mon.c dependency. + (TAGS): Depend on BUILT_SRC. + (clean): Don't delete config.h or ppc-config.h + + * basics.h (sim_callbacks.h): Move include after the include of + config.h and ppc-config.h. + + * bits.{h,c} (ROTL32,ROTL64): Move these functions to bits.c. Add + support for BITS_INLINE to inline these. Add declarations to + bits.h. + + * configure.in (--enable-sim-warnings): Add new option to specify + compiler warnings for all modules except idecode.o and semantics.o + which have lots of unused variables because they are machine + generated. + (--enable-sim-function-unit): New switch to configure whether + function unit support is compiled in or not. + (--enable-sim-{,default-}mode): New switches to control which cpu + model is used. + * configure: Regenerate. + + * corefile.c (core_attach_address_callback): Delete unused + variable device_address. + + * cpu.c (struct _cpu): Add function unit pointer field func_unit. + (cpu_create): If WITH_FUNCTION_UNIT, call function_unit_create. + (cpu_init): If WITH_FUNCTION_UNIT, call function_unit_init. + (cpu_halt): If WITH_FUNCTION_UNIT, call function_unit_halt. + (cpu_function_unit): New function to return func_unit field. + + * cpu.h (function_unit.h): Include new include file. + (cpu_function_unit): Declare. + + * debug.c (stdlib.h): Test HAVE_STDLIB_H, not HAVE_STDLIB. + (config.h): Include config.h. + + * devices.c (icu_io_write_buffer_callback): Delete unused variable + system. + + * emul_generic.c (emul_exit_call): Print out status value. + + * emul_netbsd.c (do_read): Delete unused variable nr_moved. + + * filter_filename.h (includes): Include config.h, ppc-config.h, + not basics.h. + + * inline.c: Include bits.c if BITS_INLINE. Include + function_unit.c if FUNCTION_UNIT_INLINE. + + * inline.h (INLINE_BITS): Define if BITS_INLINE. + (INLINE_FUNCTION_UNIT): Define if FUNCTION_UNIT_INLINE. + + * interrupts.c (instruction_storage_interrupt): Delete unused + variable nia. + + * lf.h (config.h): Include config.h. + + * main.c (includes): Include function_unit.c. If HAVE_UNISTD_H, + include unistd.h. + (usage): Update for -m model, -i, and -I options. + (main): Delete unused variables stack_pointer and i. Add support + for -i, -m model arguments. Call psim_print_info with verbose == + 1 if -i, and verbose == 2 if -I. + + * mon.c (stdio.h): Include stdio.h to pick up sprintf prototype. + (mon_issue): Call function_unit_issue if function units are + supported. + (mon_print_info): Take psim * argument. Print out information + from function_unit if available. Move read/write stats to always + print, instead of printing if verbose > 1. Fix up plural + vs. singular usage. + + * mon.h (mon_print_info): Update prototype. + + * psim.c (current_ppc_model): Add global variable. + (psim_print_info): Pass system argument to mon_print_info. + + * sim_calls.c (function_unit.h): Include. + (sim_open): Add support for -i and -m model options. If -i call + psim_print_info with verbose == 1, if -I, with verbose == 2. + (sim_resume): Delete unused variable program_counter. + + * std-config.h (WITH_FUNCTION_UNIT): Define. + (ppc_model): Add enumeration giving all PowerPC models currently + known about. + ({WITH,CURRENT}_PPC_MODEL): Define. + (FUNCTION_UNIT_INLINE): Define. + + * table.c (config.h): Include config.h. + + * vm.c (om_virtual_to_real): Print pte_word_{0,1} so the compiler + doesn't complain that they're unused. + + * vm_n.h (vm_data_map_read_N): Delete unused variable rval. + +Mon Nov 6 23:15:54 1995 Andrew Cagney <cagney@highland.com.au> + + * sim-endian.c (ppc-endian.c), sim-endian.h (ppc-endian.h): + renameed. These files are target independant. + * Makefile.in, basics.h: update for new name. + + * sim-endian.h (SWAP_N), sim-endian.c (_SWAP_1): Rename existing + SWAP_<N> to _SWAP_<N> so that sim-endian.h can contain SWAP_N + macro's as required. + + * sim-endian.c, sim-endian-n.h (new file): Move endian code into a + debugable header file. + + * ppc-instructions (Byte-Reverse): Enable byte reverse + instructions using SWAP_N macros. + +Mon Nov 6 10:39:28 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * Makefile.in (config.status): Remove references to config.make + and config.hdr. + + * config.{make,hdr}: Delete, no longer used. + * build-psim: Ditto. + +Mon Nov 6 20:49:56 1995 Andrew Cagney <cagney@highland.com.au> + + * sim_calls.c (sim_open): Fix parsing of `target sim' options. + + * device_tree.c (device_tree_add_string): Wasn't saving the value + of the string being entered into the tree. + + * psim.c (create_filed_device_tree): Not terminating string device + names with a null. + + * psim.c (psim_create): Use `env' instead of + `environment-architecture' to be consistent with configure. + Reconize user/uea, virtual/vea and operating/oea. + +Sat Nov 4 12:29:45 1995 Fred Fish <fnf@cygnus.com> + + * core.c: Rename to corefile.c + * core.h: Rename to corefile.h + * inline.c: Include corefile.h, renamed from core.h. + * cpu.h: Include corefile.h, renamed from core.h + * vm.c: Include corefile.h, renamed from core.h + * corefile.c: Include corefile.h rather than core.h + * README.psim (KNOWN PROBLEMS): Change core.* references to corefile.* + references. + * Makefile.in (CPU_H): Change core.h to corefile.h + (vm.o): Change dependency to corefile.h + (LIB_SRC): Change core.c to corefile.c. + (LIB_OBJ): Change core.o to corefile.o. + (corefile.o): Change dependencies to corefile.c, corefile.h. + +Fri Nov 3 11:37:24 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * ppc-instructions (data cache instructions): Make all data cache + instructions nops instead of invalid instructions. + + * Makefile.in (CONFIG_CFLAGS): Add ALIGNMENT_CFLAGS and + TIMEBASE_CFLAGS which weren't included. + +Thu Nov 2 08:54:04 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * Makefile.in: Uncomment built file dependencies. + + * configure.in: Rewrite --enable-sim switch handling to use the + autoconf builtins so it works correctly if the configure or + Makefile.in files are modified and make decides to rebuild + Makefile. Also document all of the --enable-sim switches + supported. Check whether getrusage and sys/resource.h are + supported. + * config.in: Regenerate. + * configure: Regenerate. + * Makefile.in: Add support for all of the variables set with + --enable-sim switches. + + * Makefile.in (clean): make clean now removes all built sources as + well. + + * cpu.c: Use HAVE_STRING_H, HAVE_STRINGS_H, HAVE_UNISTD_H, + HAVE_TIME_H, HAVE_SYS_TIMES_H, HAVE_SYS_RESOURCE_H defined in + the generated config.h. + * debug.c: Ditto. + * device_tree.c: Ditto. + * devices.c: Ditto. + * dgen.c: Ditto. + * emul_netbsd.c: Ditto. + * igen.c: Ditto. + * lf.c: Ditto. + * misc.c: Ditto. + * psim.c: Ditto. + * registers.c: Ditto. + * sim_calls.c: Ditt. + * table.c: Ditto. + + + * main.c (main): Call psim_print_info with verbose == 2. + + * mon.c (mon_print_info): Align the cpu number and number of + instructions fields. Do not print an instruction category if the + CPU did not execute any of those instructions. Print out number + of reads and writes. If getrusage is supported, print out number + of simulated instructins per second. + + * configure.in: Add support for --enable-sim-opcode=stupid. + * configure: Regenerate. + +Wed Nov 1 23:46:59 1995 Andrew Cagney <cagney@highland.com.au> + + * std-config (INLINE_DEVICE_TREE): Don't inline either of + device_tree.c or devices.c. There is no significant gain. + + * configure.in, Makefile.in: add --enable-sim-icache=[0-9]* and + IGEN_ICACHE macro. + +Wed Nov 1 23:46:59 1995 Andrew Cagney <cagney@highland.com.au> + + * igen.c (main), misc.h (target_a2i, i2target), misc.c: Add + functions to convert between target and igen internal bit numbers. + Make IO go through these functions. Add -b (bit size) and -h (high + bit nr) options to igen. Typical usage would be: ./igen -b 16 -h + 15 for a 16 bit instruction format with the msb given a number 15. + +Wed Nov 1 22:17:32 1995 Andrew Cagney <cagney@highland.com.au> + + * dgen.c (main): Was outputting optarg even when it was NULL. + +Tue Oct 31 23:48:33 1995 Andrew Cagney <cagney@highland.com.au> + + * vm_n.h (vm_data_map_load_N, vm_data_map_store_n), debug.h, + debug.c: Add tracing of load/store unit (virtual) with -t + load-store. + +Tue Oct 31 21:44:01 1995 Andrew Cagney <cagney@highland.com.au> + + * std-config.h (WITH_ENVIRONMENT): Add USER_ENVIRONMENT which does + not include things such as the time base and events. + + * interrupt.c, sim_calls.c, cpu.h, vm.c, configure.in: Add UEA to + all environment switches for above. + + * psim.c (psim_create): ditto - new device tree node name is + /options/environment-architecture with values user, virtual and + operating. + +Tue Oct 31 21:31:32 1995 Andrew Cagney <cagney@highland.com.au> + + * ppc-opcode-stupid: Third example of use of opcode table - this + one expands all mtspr/mfspr and branch instructions. Appears to + give about a 10% gain in performance if everything enabled. Also + takes about 150mb of swap to build. + +Wed Nov 1 10:49:48 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * emul_netbsd.c (do_exit): Print arguments and close parenthesis + if tracing, since exit doesn't go through emul_exit_call. + (do_read): Print arguments if tracing. + (do_write): Ditto. + (do_open): Ditto. + (do_break): Ditto. + (do_kill): Ditto. + (do_dup): Ditto. + (do_sigprocmask): Replace trace with printing arguments if + tracing. + (do_ioctl): Print arguments if tracing. + (do_umask): Ditto. + (do_dup2): Ditto. + (do_fcntl): Ditto. + (do_gettimeofday): Ditto. + (do_getrusage): Ditto. + (do_fstatfs): Ditto. + + * filter_filename.c: New file to provide filter_filename to strip + the directory prefix from a file. + * filter_filename.h: New include file to declare filter_filename. + + * debug.h: Include filter_filename.h. + (TRACE,DTRACE,ERROR): Use filter_filename on __FILE__. + + * misc.h: Include filter_filename.h. + (ASSERT): Use filter_filename on __FILE__. + + * igen.c (lf_print_my_prefix): Use filter_filename on the filename + argument. + + * Makefile.in: Add filter_filename support. + + * ppc-instructions (dcbi, icbi): Make these NOPs rather than + invalid instructions. + + * configure.in: Add support for more --enable-sim-* switches. + Use config.make and config.hdr to write to Makefile and config.h + respectively. Don't rewrite Makefile, just append to it. + * configure: Regenerate. + * config.{make,hdr}: New shell scripts. + + * Makefile.in: Remove all variables set by configure.in. + (psim.o): Depend on $(BUILT_SRC) also. + + * emul_netbsd.c (do_gettimeofday,do_getrusage): When comparing an + integer, use 0, not NULL. + +Tue Oct 31 15:20:04 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure.in: Add support for --enable-sim-inline, + --enable-sim-bswap, --enable-sim-cflags, --enable-sim-complex, + --enable-sim-switch, --enable-sim-duplicate, --enable-sim-filter, + and --enable-sim-endian switch to control various Makefile + variables. + * configure: Regenerate from configure.in. + * Makefile.in: Add various Make variables that the various + switches alter. + + * std-config.h (DEFAULT_INLINE): Don't set this to 2 if using GCC + and optimizing by default. + +Fri Oct 27 19:26:27 1995 Andrew Cagney <cagney@highland.com.au> + + * bits.h (ROTL32, ROTL64): Were functions, made them macros, now + make them functions again. Appears 2.6.3 is confused by just a + macro. + +Thu Oct 26 18:31:58 1995 Andrew Cagney <cagney@highland.com.au> + + * ppc-endian.c (SWAP_8): Fix 8 byte swap! + + * psim.c (psim_create): Not correctly checking that runtime + configuration of things like ENDIAN, ENVIRONMENT and ALIGNMENT + matched the compiled in ones. + + * debug.h (ITRACE), igen.c: Tidy up more tracing flags - + trace_semantics is now different to trace_idecode, the former + checks the cache. + +Tue Oct 24 21:54:13 1995 Andrew Cagney <cagney@highland.com.au> + + * ppc-instructions (mtsrin): Missing instruction + * ppc-instructions (mfsrin): Missing instruction + * ppc-instructions (eieio): Missing instruction + +Tue Oct 24 20:55:29 1995 Andrew Cagney <cagney@highland.com.au> + + * build-psim: New shell script - see internals for usage, + simplifies the process of building custom simulators. + +Mon Oct 23 23:48:59 1995 Andrew Cagney <cagney@highland.com.au> + + * std-config.h (SEMANTICS_INLINE): Tidy up notes on each of the + INLINE macros. Make SEMANTICS_INLINE == 1 if DEFAULT_INLINE == 2. + Don't use DEFAULT_INLINE to define REGISTERS_INLINE DEVICES_INLINE + DEVICE_TREE_INLINE or INTERRUPTS_INLINE as none of these are on + the instruction or data critical paths. + + * FIXME: devices.c/emul_netbsd.c would benefit (slightly) from + the inclusion of device_tree.c/emul_generic.c. + +Mon Oct 23 00:31:50 1995 Andrew Cagney <cagney@highland.com.au> + + * os_emul.[hc], emul_generic.[hc], emul_netbsd.[hc]: replace + system.[hc]. Start of suport for multiple emulations and + emulation state (os_emul object). + + * emul_generic.[hc]: Start of code to implement proper system call + tracing (from spy). + +Sun Oct 22 21:33:51 1995 Andrew Cagney <cagney@highland.com.au> + + * cpu.h, cpu.c (cpu_init): New function, zero the registers before + the processor is started. Fixes problem of registers being + undefined when restarting from within gdb. + + * cpu.h, cpu.c (cpu_flush_icache): New function, flushes the + instruction cache (if present). Fixes problem of cpu caching gdb + breakpoint instructions. + + FIXME: PSIM sometimes aborts calling error(), it should instead + call sim_error() say which takes care of housekeeping such as + saving the CIA before calling error. + + * NOTE: cpu_flush_cache() instead of cpu_synchronize_context() is + used when restarting a simulation because the latter has the + unwanted side effect (well I as a kernel hacker think it is) of + performing an isync when the instruction stream doesn't contain + one. + +Sun Oct 22 19:27:48 1995 Andrew Cagney <cagney@highland.com.au> + + * mon.h (new), mon.c (new), std-config.h (WITH_MON): Performance + monitoring module. Counts both instructions issued and + load/stores. + + * NOTE: mon does not contain to count instruction loads as this + information is already available from the mon_issue() hook. + + * igen.c (lf_print_c_semantic), vm_n.h: Add counting code. + + * psim.h, psim.c (psim_create), cpu.h, cpu.c (cpu_create): Attach + a common monitor to each of the cpus. Delete + cpu_increment_number_of_insns() and cpu_get_number_of_insns() + replaced by copied code in mon.[hc]. + +Sun Oct 22 18:42:45 1995 Andrew Cagney <cagney@highland.com.au> + + * sim_calls.c, main.c, psim.c (psim_create): always create + `WITH_SMP' cpus. The actual number of CPU's active in a + simulation run is taken from the device node: /init/smp (an + integer). WITH_SMP changed to 2 (remember to put it back to 0). + +Fri Oct 20 17:26:54 1995 Andrew Cagney <cagney@highland.com.au> + + * system.c: More system call emulation. If code appears NetBSD + specific, make conditional to being compiled on a NetBSD system + (sigh). + +Wed Oct 18 23:02:20 1995 Andrew Cagney <cagney@highland.com.au> + + * Makefile.in, gen.c(delete), igen.c(new), dgen.c(new), + lf.[ch](new), table.[ch](new): Split into two generators - igen + that outputs the instruction tables and dgen that outputs the spr + tables. Add -f (filter out) flag to igen to filter out certain + instructions (ex 64 bit ones) from the created tables. Include + $(LIBIBERTY_LIB) in link options in case host lacks some libc + functions. + + * NOTE: igen, since it was originally written for the + PowerPC/RS6000, things the MSB is 0 and the LSB is 63{31}. + + * Makefile.in, std-config.h, ppc-cache-rules(new), + ppc-opcode-complex(new), ppc-opcode-simple(new): (for igen) Create + cache-rule and opcode-rule tables from macros found std-config.h. + Delete corresponding macro's from std-config.h. + + * igen.c (gen_itable_c, gen_itable_h), Makefile.in: code to output + an table of all the instructions. Code to output a type + enumerating all the instructin names. + + * igen.c(lf_print_c_semantic): Move call to increment instruction + counter so that it occures _after_ the instruction has been fully + validated, was double counting illegal/invalid instructions. Add + conditional so only compiled in when WITH_PROFILE enabled (enabled + by default). + + * igen.c, cpu.h, cpu.c(cpu_increment_number_of_insns): Include + itable.h, count individual instruction types not just total, + adjust reporting functions to output this. + + * ppc-instructions (64 bit Load Doubleword with Update Indexed): + Had 32./ instead of 31./ + + * ppc-instructions (64 bit Store Double Word Conditional Indexed): + bitrot - updated to use newer CR register operators. + + * ppc-instructions (64bit Floating Convert from Integer + Doubleword): Correct call to Round_Float(). + +Mon Oct 16 00:31:20 1995 Andrew Cagney <cagney@highland.com.au> + + * basics.h: #include "sim_callbacks.h" earlier so that its + prototypes are declared in all other header files. + + * bits.h, bits.c, idecode_expression.h (ROTL32, ROTL64): Update + doc in bits.h, remove dead code in bits.c, move ROTL32/ROTL64 into + bits.h. + + * cpu.c(cpu_add_commas), device_tree.h, device_tree.c(scand_*): + Add size of buffer argument to functions writing a string into a + buffer. Check for buffer overflow. + +Sun Oct 15 22:16:11 1995 Andrew Cagney <cagney@highland.com.au> + + * devices.h, devices.c, debug.h, debug.c: add macro's for tracing + of each device. Make parameter names consistent so macros work. + Use macro's in device functions. + + * device_tree.c, devices.h, devices.c: include path to device in a + devices node when creating it. + + * device_tree.c, debug.h, debug.c: Add tracing of `device-tree'. + + * core.c: add tracing of core-device, adjust parameter names in + core functions to be consistent with those in devices*. + +Sun Oct 15 20:33:20 1995 Andrew Cagney <cagney@highland.com.au> + + * debug.h, debug.c (trace_option): New function. Parses the trace + option, updating the trace array. + + * debug.h, debug.c (trace_usage): New function. Outputs the list + of all possible trace options. + + * sim_calls.c (sim_open), main.c (main): Use new trace_option() to + parse trace options specified with the simpler -t flag. Adjust + usage. + + * FIXME: basic parsing of command line options is still duplicated + by main.c and sim_calls.c + +Thu Oct 26 10:42:28 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * Makefile.in (clean): Delete *.i and *.out files. + + * ppc-endian.c (SWAP_n): Add SET argument to allow use of SWAP + macros for either assignment or return. Fix SWAP_8 to use a + union, and two SWAP_4's. Delete SWAP_N, since nobody uses it now. + (ENDIAN_N): Add SET argument to SWAP_n calls. Delete macro defs + that hardwired swapping on/off, let optimizer delete dead code. + + * main.c (main): Add printf that we caught a signal and print out + the failing address. + +Thu Oct 19 21:43:39 1995 Fred Fish <fnf@fishfood.amigalib.com> + + * Makefile.in: Remove tabs from otherwise empty line. + Confuses many non-GNU versions of "make". + +Wed Oct 18 08:51:25 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * Makefile.in (clean): Delete files produced by gen. + +Mon Oct 16 17:34:24 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * gen.c (lf_print_c_semantic_function): Move counting # of + instructions here so it works with caching. + (gen_idecode_c): Move from here. + +Wed Oct 11 17:13:15 1995 Andrew Cagney <cagney@highland.com.au> + + * gen.c, ppc-instructions, psim.c: Fix code for generating + cracking instruction cache. Delete the code that cached just the + result from doing an instruction lookup - this ran slower than no + cache at all. + +Fri Oct 13 09:58:43 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * Makefile.in (gen.o): Include $(INLINE_CFLAGS). + + * debug.h (ppc_trace): Rename from trace, to avoid a conflict with + TCL when gdb is linked with the simulator. + * debug.c (ppc_trace): Ditto. + * sim_calls.c (sim_open): Change trace -> ppc_trace. + * main.c (main): Ditto. + + * cpu.c (cpu_add_commas): Remove extra static. + +Thu Oct 12 11:35:53 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * Makefile.in (psim.o): Now that inlines are turned on, make + psim.o depend on all sources. + + * cpu.c (cpu_add_commas): New function to format a long with + commas. + (cpu_print_info): Use it to print number_of_insns. + + * ppc-endian.c (SWAP_n): New macros to speed up byte swapping for + 2, 4, and 8 bytes. + (ENDIAN_N): If both target and host byte orders are known, don't + bother testing CURRENT_{TARGET,HOST}_BYTE_ORDER. + + * ppc-endian.h (target specific H2T_n/T2H_n macros): Remove #if 0 + to allow target specific H2T_n/T2H_n macros to be used. + (htonl, ntohl): If compiled on a 486 by GCC and WITH_BSWAP is + non-zero, redefine the htonl/ntohl macros to use the BSWAP instead + of the 3 instruction sequence that runs on 386s. + + * std-config.h (WITH_{HOST,TARGET}_BYTE_ORDER): Don't override if + specified on the compile line. + (WITH_BSWAP): If not defined, define as 0. + + * Makefile.in (INLINE_CFLAGS): Add -DDEFAULT_INLINE=2 to add + default inline support. Pass INLINE_CFLAGS when compiling. + + * devices.{h,c} (unimp_device_ioctl): Use STATIC_DEVICES, not + INLINE_DEVICES since GCC doesn't like inline functions that + accept variable arguments. + (stack_ioctl_callback): Make function just static because GCC + doesn't like inline functions that accept variable arguments. + + * devices.h (STATIC_DEVICES): Define as empty if not defined. + + * inline.c: Correct pathnames of included C files to match current + implementation. + + * inline.h (STATIC_DEVICES): If DEVICES_INLINE is defined to be + non-zero, define STATIC_DEVICES to be static. + + * std-config.h (INLINE): If GNU C and optimizing, define this as + __inline__. + (DEFAULT_INLINE): If not defined, define as 0. + (ENDIAN_INLINE): If not defined, define as DEFAULT_INLINE. + ({CORE,VM,CPU,EVENTS,REGISTERS,INTERRUPTS}_INLINE): Ditto. + ({SPREG,IDECODE}_INLINE): Ditto. + +Wed Oct 11 17:13:15 1995 Andrew Cagney <cagney@highland.com.au> + + * ppc-instructions: Initial cut of floating point suport added. + Of note include - use of host IEEE floating point instructions, + use of PowerPC manual pseudo code to handle the FPSCR. It is not + currently a pretty sight. + + * memory_map.h, memory_map.c, memory_map_n.h, core.h, core.c: + merge into core.h, core.c, core_n.h. The type memory_map replaced + with core_map. This removes a level of pointer indirection when + translating an address. + + * memory_map.h, memory_map.c, memory_map_n.h: delete. + + * Makefile.in et.al (sorry): tweek to use new core, core_map and + core.h. + +Wed Oct 11 12:10:26 1995 Andrew Cagney <cagney@highland.com.au> + + * sim_calls.c, main.c: Add -g (trace_gdb) option, add tracing to + most of the other functions in sim_calls.c. + + * basics.h (CONCAT3), memory_map.c, memory_map_n.h, Makefile.in: + Add macros to better cover up `generic' code. Makes it possible + to step through the generic code! + + * vm.c, vm_n.h, Makefile.in: ditto + +Tue Oct 10 15:42:59 1995 Andrew Cagney <cagney@highland.com.au> + + * devices.h, devices.c, memory_map.h, memory_map.c: Changed + callback interface so that there is a read/write buffer but no + read/write_word. VEA default memory read/write handler sometimes + couldn't resolve an access and of those some were for a memory + fault and some were because gdb was making a bogus request. + + * devices.h, devices.c, memory_map.h, memory_map.c, vm.h, vm.c: + eliminate transfer_mode (raw or cooked) parameter from read/write + buffer. + +Fri Oct 6 20:23:56 1995 Andrew Cagney <cagney@highland.com.au> + + * ppc-instructions (fmul, fmuls): correct instruction format - had + FRB instead of FRC. + +Wed Oct 4 17:31:12 1995 Andrew Cagney <cagney@highland.com.au> + + * psim.c, device_tree.h, device_tree.c, devices.c (printd_*, + scand_*): new functions to parse/print fields in device names + while hiding any machine dependency. + + * devices.c, psim.c: Change the stack init code so that it is + handled by a device. Arguments passed across using a device ioctl + (hack). + + * devices.h, devices.c: device ioctl callback changed to allow a + variable number of arguments. This gives greater flexability and + greater chance of bugs. + +Tue Oct 3 22:01:56 1995 Andrew Cagney <cagney@highland.com.au> + + * main.c (printf_filtered, error): Missing va_end() to close off + variable argument use. + + * Makefile.in (tmp-gencode): comment out hack to get around some + versions of make not handling files being created as side-effects. + + * gen.c (lf_open): Add -n (real_file_name) option. Specifies an + alternative file name to use in output files for things like #line + macros. + + Makefile.in (tmp-gencode): Use gen -n so that debug info is + correct. + + * Makefile.in (TARGETLIB): Use this instead of libsim.a in the + Makefile. + +Sat Oct 7 22:40:59 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * sim_calls.c (sim_set_callbacks): Define new function. + +Fri Oct 6 17:23:10 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * psim.c (psim_print_info): Print exit status or signal number. + +Mon Oct 2 11:46:37 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * cpu.c (struct _cpu): Add number_of_insns field to trace how many + instructions are executed. + (cpu_increment_number_of_insns): New function to increment the + number of instructions issued. + (cpu_get_number_of_insns): New function to return the number of + instructions issued. + (cpu_print_info): New function to print cpu related information. + At present, print the number of instructions executed. + + * gen_idecode_c: Emit call to cpu_increment_number_of_insns within + idecode_issue. + + * psim.c (psim_print_info): New function to iterate over each of + the CPU's calling cpu_print_info. + + * psim.h,cpu.h: Add new declarations. + + * sim_calls.c (sim_open): Add argument processing to add the same + switches main.c accepts for the standalone processor. + (sim_close): Call psim_print_info if -I. + + * main.c (main): Add comment saying to update sim_calls.c when + adding switches. Add -I to call psim_print_info when done. + (usage): Update usage message. + +Sun Oct 1 13:52:59 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * main.c (printf_filtered): Correct to match new prototype. + +Sat Sep 30 20:47:05 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * sim_callbacks.h (printf_filtered): Correct prototype. + +Thu Sep 21 16:26:49 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * device_tree.c (OEA_MEMORY_SIZE): Define if not defined to + 0x100000. + (clayton_memory_size): Define as OEA_MEMORY_SIZE. + + * std-config.h (WITH_TRACE): Default to 1 now. + + * psim.c (write_stack_arguments): Don't write any stack arguments + if OEA. + + * main.c (main): Switch to using getopt. Make -p also set + trace_semantics. Make -a turn on all trace flags. Make -C turn + on console tracing. + + * device_tree.c (create_option_device_node): Assume a program is + OEA if the start address is < 4096, not just == 0. + +Wed Sep 20 13:36:06 1995 Ian Lance Taylor <ian@cygnus.com> + + * Makefile.in (maintainer-clean): New synonym for realclean. + +Sun Sep 10 10:23:56 1995 Michael Tiemann <tiemann@axon.cygnus.com> + + * registers.c (register_description): Add gdb synonyms for cr + (cnd) and msr (ps). + +Fri Sep 8 13:16:10 1995 Ian Lance Taylor <ian@cygnus.com> + + * Makefile.in (install): Don't install in $(tooldir). + + * configure.in: Call AC_CONFIG_HEADER. Don't try to use + bfd/hosts/*.h file or bfd/config/*.mh file. Call AC_PROG_CC and + AC_PROG_RANLIB. Substitute in values for CFLAGS, HDEFINES, AR, + and CC_FOR_BUILD. Call AC_CHECK_HEADERS for various header files. + Touch stamp.h if creating config.h. + * configure: Rebuild. + * config.in: New file, created by autoheader. + * Makefile.in (AR): Define as @AR@. + (CC): New variable, defined as @CC@. + (CFLAGS): Define as @CFLAGS@. + (CC_FOR_BUILD): New variable, defined as @CC_FOR_BUILD@. + (RANLIB): Define as @RANLIB@. + (HDEFINES, TDEFINES): New variables. + (@host_makefile_frag@): Remove. + (mostlyclean): Make the same as clean, not distclean. + (clean): Remove config.log. + (distclean): Remove config.h and stamp-h. + (Makefile): Don't depend upon @frags@. Just rebuild Makefile when + invoking config.status. + (config.h, stamp-h): New targets. + (gen, gen.o): Build with CC_FOR_BUILD, not CC. + (ppc-config.h): Rename from old config.h build. + * (basics.h,gen.c,ppc-endian.c,psim.c): Include ppc-config.h. + +Fri Sep 8 09:51:03 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure{,.in}: Don't include sysdep.h from bfd, since bfd no + longer provides it. + * basics.h (sysdep.h): Don't include it. + * Makefile.in (BASICS_H): Remove sysdep.h. + +Wed Sep 6 13:25:42 1995 Andrew Cagney <cagney@highland.com.au> + + * core.c (core_add_data): First growth of bss was being put at + wrong address (0) instead of &end. + + * core.c (core_add_stack, core_add_data): Was not handling case + where bss/stack is grown across the current end-of-{bss,stack}. + +Wed Sep 6 00:46:10 1995 Andrew Cagney <cagney@highland.com.au> + + * system.c (system_call): Fix SYS_break - was aligning bss to a + page boundary instead of just an 8 byte one; On first call sbrk(0) + != sbrk(0). + +Thu Aug 24 14:48:54 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * Makefile.in (install): Fix install rule. + +Tue Aug 22 09:31:18 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * system.c (system_call): Add read support. + + * main.c (main): -t sets trace_device_tree. Correct usage message + to current reality. + + * device_tree.c (update_memory_node_for_section): Make tracing + output line up. If not code or readonly, assume that the section + is a data section and has read/write permissions. Add readonly + support. + + * core.c (create_core_from_addresses): Print end address in traces + and make tracing output line up. + + * Makefile.in: Rewrite from Makefile to work with the Cygnus + environment, and support compiling in a different directory than + the sources reside in. + + * ppc-endian.h: Rename from endian.h so that it doesn't get + confused with /usr/include/sys/endian.h on Linux. Add Linux + endian support. + + * ppc-endian.c: Rename to be consistant with ppc-endian.h. + Include ppc-endian.h, not endian.h. + + * basics.h (sysdep.h): Include sysdep.h that configure makes. + Include ppc-endian.h, not endian.h. + + * std-config.h: Rename from ppc-config. Put #ifndefs around most + configuration macros, so they can be overridden via CFLAGS. By + default, turn off tracing. + + * configure.in: Clone from other simulator targets. + * configure: Generate via autoconf from configure.in. + +Sat Aug 19 09:05:32 1995 Andrew Cagney <cagney@highland.com.au> + + * ppc-instructions: fix srawi (was geting XER[CA] real wrong). + + * interrupts.c (data_storage_interrupt): allow stack to grow by + upto one MB per increment. + + * ppc-instructions: divw was computing rA / rA not rA / rB + + * main.c (main): really stupid. Wasn't exiting with correct status + +Fri Aug 18 00:38:01 1995 Andrew Cagney <cagney@highland.com.au> + + * system.c (system_call): add system calls kill(2) and getpid(2). + + * main.c (main): Check/return exit status when simulation + finishes. + +Thu Aug 17 14:29:18 1995 Andrew Cagney <cagney@highland.com.au> + + * device_tree.c (create_option_device_node): Alignment rules (at + least for the moment) now are for strict alignment only for LE OEA + mode. (Because of compiler problems). + + * system.c (system_call) SYS_exit: Wasn't exiting with correct status. + +Thu Aug 17 01:16:38 1995 Andrew Cagney <cagney@highland.com.au> + + * vm.c (DEFINE_VM_DATA_MAP_WRITE_N): For miss aligned transfer + forgot to return. + + * system.c (system_call): didn't page align break argument before + determining increment break increment. + + * psim/ppc: Re-arange entire directory structure so that + everything lives in the one directory. While a pain for cleaning, + makes building across multiple architectures much simpler. + + * devices.c, device_tree.c: Added code that provides a simple + illustration of how an interrupt control device could be + implemented. + + * devices.c: Added code so that the dumb console device can read + (from stdin) as well as write to stdout. + |