diff options
Diffstat (limited to 'sim/ppc/ChangeLog')
| -rw-r--r-- | sim/ppc/ChangeLog | 218 |
1 files changed, 206 insertions, 12 deletions
diff --git a/sim/ppc/ChangeLog b/sim/ppc/ChangeLog index 538ef48..14625b1 100644 --- a/sim/ppc/ChangeLog +++ b/sim/ppc/ChangeLog @@ -1,3 +1,197 @@ +Fri Oct 27 19:26:27 1995 Andrew Cagney <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@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@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@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@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: need to set up OS_EMUL_INLINE/EMUL_GENERIC_INLINE but + not on critical path. + + * 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@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@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@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. + + * FIXME: mon doesn't have access to register usage information. + This is needed if the user wants to monitor things like register + stalls. + + * 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@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@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@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. + + * FIXME: under this new igen scheme, when playing around with igen + options, you'll find that depenencies don't work very well. + + * 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@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. + + * FIXME: the bits.h/bits.c macro's should be replaced with + (inline) c functions. + + * 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@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@cagney@highland.com.au> + + * debug.h, debug.c (trace_option): New function. Parses the trace + option, updating the trace array. + + * debug.h, debug.c (trace_usage): New function. Outputs the list + of all possible trace options. + + * sim_calls.c (sim_open), main.c (main): Use new trace_option() to + parse trace options specified with the simpler -t flag. Adjust + usage. + + * FIXME: basic parsing of command line options is still duplicated + by main.c and sim_calls.c + Thu Oct 26 10:42:28 1995 Michael Meissner <meissner@tiktok.cygnus.com> * Makefile.in (clean): Delete *.i and *.out files. @@ -93,7 +287,7 @@ Thu Oct 12 11:35:53 1995 Michael Meissner <meissner@tiktok.cygnus.com> ({CORE,VM,CPU,EVENTS,REGISTERS,INTERRUPTS}_INLINE): Ditto. ({SPREG,IDECODE}_INLINE): Ditto. -Wed Oct 11 17:13:15 1995 Andrew Cagney <cagney@kremvax> +Wed Oct 11 17:13:15 1995 Andrew Cagney <cagney@cagney@highland.com.au> * ppc-instructions: Initial cut of floating point suport added. Of note include - use of host IEEE floating point instructions, @@ -110,7 +304,7 @@ Wed Oct 11 17:13:15 1995 Andrew Cagney <cagney@kremvax> * 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@kremvax> +Wed Oct 11 12:10:26 1995 Andrew Cagney <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. @@ -121,7 +315,7 @@ Wed Oct 11 12:10:26 1995 Andrew Cagney <cagney@kremvax> * vm.c, vm_n.h, Makefile.in: ditto -Tue Oct 10 15:42:59 1995 Andrew Cagney <cagney@kremvax> +Tue Oct 10 15:42:59 1995 Andrew Cagney <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 @@ -133,12 +327,12 @@ Tue Oct 10 15:42:59 1995 Andrew Cagney <cagney@kremvax> eliminate transfer_mode (raw or cooked) parameter from read/write buffer. -Fri Oct 6 20:23:56 1995 Andrew Cagney <cagney@kremvax> +Fri Oct 6 20:23:56 1995 Andrew Cagney <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@kremvax> +Wed Oct 4 17:31:12 1995 Andrew Cagney <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 @@ -152,7 +346,7 @@ Wed Oct 4 17:31:12 1995 Andrew Cagney <cagney@kremvax> variable number of arguments. This gives greater flexability and greater chance of bugs. -Tue Oct 3 22:01:56 1995 Andrew Cagney - aka Noid <cagney@kremvax> +Tue Oct 3 22:01:56 1995 Andrew Cagney <cagney@cagney@highland.com.au> * main.c (printf_filtered, error): Missing va_end() to close off variable argument use. @@ -275,7 +469,7 @@ Fri Sep 8 09:51:03 1995 Michael Meissner <meissner@tiktok.cygnus.com> * basics.h (sysdep.h): Don't include it. * Makefile.in (BASICS_H): Remove sysdep.h. -Wed Sep 6 13:25:42 1995 Andrew Cagney - aka Noid <cagney@kremvax> +Wed Sep 6 13:25:42 1995 Andrew Cagney <cagney@cagney@highland.com.au> * core.c (core_add_data): First growth of bss was being put at wrong address (0) instead of &end. @@ -283,7 +477,7 @@ Wed Sep 6 13:25:42 1995 Andrew Cagney - aka Noid <cagney@kremvax> * 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 - aka Noid <cagney@kremvax> +Wed Sep 6 00:46:10 1995 Andrew Cagney <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) @@ -329,7 +523,7 @@ Tue Aug 22 09:31:18 1995 Michael Meissner <meissner@tiktok.cygnus.com> * configure.in: Clone from other simulator targets. * configure: Generate via autoconf from configure.in. -Sat Aug 19 09:05:32 1995 Andrew Cagney - aka Noid <cagney@kremvax> +Sat Aug 19 09:05:32 1995 Andrew Cagney <cagney@cagney@highland.com.au> * ppc-instructions: fix srawi (was geting XER[CA] real wrong). @@ -340,14 +534,14 @@ Sat Aug 19 09:05:32 1995 Andrew Cagney - aka Noid <cagney@kremvax> * main.c (main): really stupid. Wasn't exiting with correct status -Fri Aug 18 00:38:01 1995 Andrew Cagney - aka Noid <cagney@kremvax> +Fri Aug 18 00:38:01 1995 Andrew Cagney <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@kremvax> +Thu Aug 17 14:29:18 1995 Andrew Cagney <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 @@ -355,7 +549,7 @@ Thu Aug 17 14:29:18 1995 Andrew Cagney <cagney@kremvax> * system.c (system_call) SYS_exit: Wasn't exiting with correct status. -Thu Aug 17 01:16:38 1995 Andrew Cagney - aka Noid <cagney@kremvax> +Thu Aug 17 01:16:38 1995 Andrew Cagney <cagney@cagney@highland.com.au> * vm.c (DEFINE_VM_DATA_MAP_WRITE_N): For miss aligned transfer forgot to return. |