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| author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
|---|---|---|
| committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
| commit | 071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch) | |
| tree | 5deda65b8d7b04d1f4cbc534c3206d328e1267ec /sim/ppc/ChangeLog.00 | |
| parent | 1730ec6b1848f0f32154277f788fb29f88d8475b (diff) | |
| download | gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.gz gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.bz2 | |
Initial creation of sourceware repository
Diffstat (limited to 'sim/ppc/ChangeLog.00')
| -rw-r--r-- | sim/ppc/ChangeLog.00 | 2455 |
1 files changed, 0 insertions, 2455 deletions
diff --git a/sim/ppc/ChangeLog.00 b/sim/ppc/ChangeLog.00 deleted file mode 100644 index 8216544..0000000 --- a/sim/ppc/ChangeLog.00 +++ /dev/null @@ -1,2455 +0,0 @@ -Sat Apr 13 00:00:24 1996 Andrew Cagney <cagney@kremvax.highland.com.au> - - * emul_netbsd.c (do_read): Correctly set the return value. - (do_getpid): Ditto. - (do_getuid): Ditto. - (do_geteuid): Ditto. - (do_dup): Ditto. - (do_getegid): Ditto. - (do_getgid): Ditto. - (do_sigprocmask): Ditto. - (do_umask): Ditto. - (do_dup2): Ditto. - (do_gettimeofday): Ditto. - (do_getrusage): Ditto. - (do_fstat): Ditto. - (do_stat): Ditto. - (do_lseek): Ditto. - (do___sysctl): Ditto. - -Fri Apr 12 20:56:47 1996 Andrew Cagney <cagney@kremvax.highland.com.au> - - * device_table.c (vm_ioctl_callback): Don't access the processor - registers directly, instead leave it to the caller to handle this. - - * emul_netbsd.c (do_break): Which calls vm_ioctl_callback to - perform a break. Pass in the new break value and set the - registers according to the result. - - * emul_generic.c (emul_write_status): Change so that r3 contains - either status or errno and failure is indicated by SO. - -Thu Apr 4 23:03:38 1996 Andrew Cagney <cagney@kremvax.highland.com.au> - - * emul_bugapi.c (emul_bugapi_create): More strict check of OEA - address. - -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. - -Fri Mar 29 12:17:58 1996 Andrew Cagney <cagney@kremvax.highland.com.au> - - * emul_bugapi.c (_os_emul_data): Add fields for output, input. - (emul_bugapi_create): Create input, output from /chosen/stdin and - /chosen/stdout. - (emul_bugapi_do_{read,write}): Switch to use device_instance - interface. - (emul_bugapi_instruction_call): Change calls to - emul_bugapi_do_{read,write} to pass device instance argument. - -Tue Mar 26 14:57:58 1996 Michael Meissner <meissner@tiktok.cygnus.com> - - * igen.c (idecode_switch_end): Fix 2/26 change so that an extra - default is not written out if a default was already written. - - * psim.c (psim_{read,write}_register): Use sizeof unsigned_8 to - size cooked_buf, not sizeof natural_word, since floating point - registers are 8 bytes. - -Thu Mar 21 00:06:09 1996 Andrew Cagney <cagney@kremvax.highland.com.au> - - * main.c (error): Be careful to not try to print out statistics - when the simulation was never created. - -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. - -Wed Feb 28 00:43:07 1996 Andrew Cagney - aka Noid <cagney@highland.com.au> - - * Makefile.in (corefile.o): missing dependency on device_table.h - etc. - -Mon Feb 26 21:11:20 1996 Andrew Cagney - aka Noid <cagney@highland.com.au> - - * igen.c (idecode_switch_end): Output a default entry when the - switch statement is perfect. Firstly stops GCC complaining about - an incomplete switch and secondly it will be eliminated by a good - compiler any way. - -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 23:52:31 1996 Andrew Cagney <cagney@highland.com.au> - - * config.in (HAVE_DIRENT_H): Temp until config.in regenerated. - -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. - -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. - -Mon Feb 12 16:07:44 1996 Andrew Cagney <cagney@highland.com.au> - - * psim: PSIM-1.0 released - -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 <cagney@highland.com.au> - - * 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. - - * * (*): Adjust copyleft as required. - - * 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. - -Wed Jan 17 21:47:34 1996 Andrew Cagney <cagney@highland.com.au> - - * device.c (device_init_address): New. Split initialization into - two stages, address and address spaces - * device.c (device_init_data): New. ... and data or other work. - With out this, devices try to modify memory before it as been - attached. - - * device.c (device_tree_init): Update to perform staged - initialization. - - * device.c (device_init): Delete. - -Wed Jan 17 21:43:09 1996 Andrew Cagney <cagney@highland.com.au> - - * device_table.c (data_*): Rewrite to make heaver use of property - nodes. Allow initialization by different data types. - * device_table.c (htab_* pte_*): Rewrite to use properties. - - * emul_chirp.c (emul_chirp_create): Use - * emul_bugapi.c (emul_bugapi_create): Ditto - * emul_netbsd.c (emul_netbsd_create): Ditto - -Wed Jan 17 21:24:50 1996 Andrew Cagney <cagney@highland.com.au> - - * emul_generic.c (emul_add_tree_options): Annotate existing tree - with options that haven't yet been specified. - * emul_generic.c (emul_add_tree_hardware): Annotate existing tree - with demo devices and properties. - - * emul_chirp.c (emul_chirp_create): Update to use new - device_tree_add_parsed call and additional information now - included in the device tree. Use emul_add_tree* functions to add - any missing details. - * emul_bugapi.c (emul_bugapi_create): Ditto - * emul_netbsd.c (emul_netbsd_create): Ditto - -Wed Jan 17 21:18:27 1996 Andrew Cagney <cagney@highland.com.au> - - * device.c (device_instance_create): New. Create/delete and - operate on instances of a device. - * device.c (device_instance_delete): Ditto - * device.c (device_instance_read): Ditto - * device.c (device_instance_write): Ditto - * device.c (device_instance_seek): Ditto - * device.c (device_instance_data): Ditto - * device.c (device_instance_name): Ditto - * device.c (device_instance_path): Ditto - - * emul_chirp.c (chirp_emul_open): Implement using device_instance. - * emul_chirp.c (chirp_emul_close): Ditto - * emul_chirp.c (chirp_emul_read): Ditto - * emul_chirp.c (chirp_emul_write): Ditto - * emul_chirp.c (chirp_emul_seek): Ditto - - * emul_chirp.c (chirp_read_t2h_args): Read arguments from device. - Being careful to convert all from target to host byte order. - * emul_chirp.c (chirp_write_h2t_args): Converse. - -Wed Jan 17 20:07:15 1996 Andrew Cagney <cagney@highland.com.au> - - * device.c (device_tree_add_parsed): New. Rewrite code to add - devices to the device tree so that a single printf style function - is used. - - * device.c (device_tree_add_*): Delete. Replaced by above. - - * device.c (split_device_specifier): Functions to manipulate a - device specifier (path) breaking it into its components - * device.c (split_property_specifier): Ditto - * device.c (split_device_name): Ditto - * device.c (split_find_device): Ditto - - * device.c (scan_*): Delete - - * device.c (device_tree_find_device): Rewrite to use above. - * device.c (device_add_property): Ditto - -Wed Jan 17 19:51:56 1996 Andrew Cagney <cagney@highland.com.au> - - * psim.c(psim_options): Parse the psim options, installing their - value in the device tree. Options are now first entered into a - device tree and then extracted out again when needed. This allows - greater flexability in configuration. - - * psim.c (psim_tree): Returns a basic device tree ready for - parsing by psim_options. - * psim.c (psim_usage): New. Give usage to varing levels of detail - according to the verbosity. In turn output device and trace - usage. - - * main.c (main): Update to use new system - * sim_calls.c (sim_open, sim_do_command): Ditto - - * psim.c (psim_options): Add `r' option - ram size. - * psim.c (psim_options): Add `o' option - openboot tree entry. - * psim.c (psim_options): Add `h'/`H' options - more help. - - * debug.c (trace_usage): Add more detailed help. - * device.c (device_usage): New. Output help including a list of - the devices currently available in the device table. - * device_table.c: Add usage operator to each device. - - * corefile.c (core_create, core_device_create): Adjust so that the - core device is created earlier for psim_tree(). Core can later be - created from it. - - * psim.c (psim_create): Update to handle above way of creating - things. Extract all information from the device tree. - - * device_tree.c (trace_*): New device node, its properties are - used to set the value of the trace options. Init this device (in - psim_options) when ever the options are updated. - -Wed Jan 17 19:46:07 1996 Andrew Cagney <cagney@highland.com.au> - - * debug.h: Add trace_print_info, trace_print_device_tree and - trace_dump_device_tree. The first is a replacement for the - variable `print_info' found in main.c and sim_calls.c. The latter - two enable the dumping of the entire device tree. - - * debug.c: Add to trace_description table. - - * main.c (main): Use above trace instead of local variable - * sim_calls.c (sim_close): Ditto - - * device.c (device_tree_print_device): New. Prints the device - tree in a format that is consistent with what can be parsed by the - device tree load from file code. - - * psim.c (psim_create): Dump device tree if enabled. If nump - selected, exit psim immediatly. - -Wed Jan 17 19:36:52 1996 Andrew Cagney <cagney@highland.com.au> - - * corefile-n.h (core_map_read_N): When mapping from an address to - a device, do not subtract the devices base. The device its self - can do this. Brings the behavour into line with OpenBoot. - * corefile-n.h (core_map_write_N): Ditto - * corefile.c (core_map_read_buffer): Ditto - * corefile.c (core_map_write_buffer): Ditto - - * device_table.c (console_io_read_buffer_callback): Adjust to - handle biased address. - * device_table.c (console_io_write_buffer_callback): Ditto - -Wed Jan 17 18:36:09 1996 Andrew Cagney <cagney@highland.com.au> - - * device.c (attach_device_interrupt_edge): New. Interrupt model - did not allow interrupts to be wired up as a general net (edges). - Re-implement so that interrupt events can be passed to multiple - controllers and interrupt controllers can further propogate - interrupt events. - - * device.c (attach_device_interrupt_edge) : New, Ditto - * device.c (detach_device_interrupt_edge) : New, Ditto - * device.c (clean_device_interrupt_edges) : New, Ditto - * device.c (device_interrupt_event) : New, Ditto - * device.c (device_interrupt_attach) : New, Ditto - * device.c (device_interrupt_detach) : New, Ditto - * device.c (device_child_interrupt_attach) : New, Ditto - * device.c (device_child_interrupt_detach) : New, Ditto - - * device.c (device_attach_interrupt) : Delete old - * device.c (device_detach_interrupt) : Delete old - * device.c (device_interrupt) : Delete old - * device.c (device_interrupt_ack) : Delete old - - * device_table.c (unimp_*) : Update to match - - * device_table.c (icu_io_write_buffer_callback) : Update to use - interface. - * device_table.c (icu_interrupt_event_callback) : Ditto - -Wed Jan 17 18:18:40 1996 Andrew Cagney <cagney@highland.com.au> - - * device.c (external_to_device) : New function that provides a - standard mapping between a devices internal representation (a - pointer) and its external (or what is passed to a client) - representation (a phandle). Implement using the cap object - attached to the root node. - - * device.c (device_to_external) : Ditto - * device.c (external_to_device_instance) : Ditto but for ihandle - and device instance. - * device.c (device_instance_to_external) : Ditto - - * Makefile (device.o): Add dependency on cap. - - * emul_chirp.c (struct _emul_chirp_data) : Elimate use of cap. Code - needing to translate between internal and external representations - changed to use the external_to_device et.al. device operations. - * emul_chirp.c (chirp_emul_*) : Ditto - - * Makefile (emul_chirp.o): Remove dependency on cap - -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. - -Sat Jan 6 10:13:26 1996 Andrew Cagney - aka Noid <cagney@highland.com.au> - - * emul_chirp.c (map_over_chirp_note): Tighten up (and fix) checks - on OpenBoot note section. - -Fri Jan 5 20:28:53 1996 Andrew Cagney <cagney@hignland.com.au> - - * emul_generic.c (emul_write_buffer): Use vm faulting byte - read/write calls for buffer transfers. This will cause a fault to - occure if the transfer fails. CHRP catches the fault while the - others suffer the consequences. - (emul_read_buffer): Ditto. - (emul_write_word): Ditto. - (emul_read_word): Ditto. - (emul_read_string): Ditto. - -Fri Jan 5 18:55:34 1996 Andrew Cagney <cagney@highland.com.au> - - * emul_chirp.c (emul_chirp_create, emul_chirp_instruction_call), - emul_generic (emul_blr_instruction): Use a real blr instruction to - return from a client service call. - - * emul_chirp.c (services): Add all OpenBoot services to table. - - * emul_generic.h, emul_bugapi.c (emul_bugapi_create), emul_chirp.c - (emul_chirp_create) : Use names instead of numbers for - instructions being stored in memory. - -Fri Jan 5 18:52:28 1996 Andrew Cagney <cagney@highland.com.au> - - * Makefile.in (maintainer-clean): Remove .log, core and *.core - (From NetBSD) files. - -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. - -Mon Dec 18 19:58:56 1995 Andrew Cagney - aka Noid <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@sawnoff> - - * 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 - aka Noid <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 - aka Noid <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 - aka Noid <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@sawnoff> - - * 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@sawnoff> - - * 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@sawnoff> - - * 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@sawnoff> - - * 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. - -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. - |