aboutsummaryrefslogtreecommitdiff
path: root/sim/ft32/interp.c
AgeCommit message (Collapse)AuthorFilesLines
2024-01-12Update copyright year range in header of all files managed by GDBAndrew Burgess1-1/+1
This commit is the result of the following actions: - Running gdb/copyright.py to update all of the copyright headers to include 2024, - Manually updating a few files the copyright.py script told me to update, these files had copyright headers embedded within the file, - Regenerating gdbsupport/Makefile.in to refresh it's copyright date, - Using grep to find other files that still mentioned 2023. If these files were updated last year from 2022 to 2023 then I've updated them this year to 2024. I'm sure I've probably missed some dates. Feel free to fix them up as you spot them.
2023-12-19sim: ft32: fix -Wunused-variable warningsMike Frysinger1-6/+0
2023-12-07sim: ft32: fix -Wunused-but-set-variable warningsMike Frysinger1-4/+0
2023-01-01Update copyright year range in header of all files managed by GDBJoel Brobecker1-1/+1
This commit is the result of running the gdb/copyright.py script, which automated the update of the copyright year range for all source files managed by the GDB project to be updated to include year 2023.
2022-12-25sim: cpu: change default init to handle all cpusMike Frysinger1-1/+1
All the runtimes were only initializing a single CPU. When SMP is enabled, things quickly crash as none of the other CPU structs are setup. Change the default from 0 to the compile time value.
2022-12-23sim: ft32: move arch-specific settings to internal headerMike Frysinger1-0/+2
There's no need for these settings to be in sim-main.h which is shared with common/ sim code, so drop the ft32-sim.h include and move it to the few files that actually need it.
2022-12-21sim: ft32: invert sim_cpu storageMike Frysinger1-86/+95
2022-11-02sim: common: change sim_{fetch,store}_register helpers to use void* buffersMike Frysinger1-2/+2
When reading/writing arbitrary data to the system's memory, the unsigned char pointer type doesn't make that much sense. Switch it to void so we align a bit with standard C library read/write functions, and to avoid having to sprinkle casts everywhere.
2022-10-31sim: reg: constify store helperMike Frysinger1-1/+1
These functions only read from memory, so mark the pointer as const.
2022-10-31sim: constify various integer readersMike Frysinger1-1/+1
These functions only read from memory, so mark the pointer as const.
2022-01-01Automatic Copyright Year update after running gdb/copyright.pyJoel Brobecker1-1/+1
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
2021-11-16sim: callback: expose argv & environMike Frysinger1-0/+4
Pass the existing strings data to the callbacks so that common libgloss syscalls can be implemented (which we'll do shortly).
2021-11-16sim: keep track of program environment stringsMike Frysinger1-0/+7
We've been passing the environment strings to sim_create_inferior, but most ports don't do anything with them. A few will use ad-hoc logic to stuff the stack for user-mode programs, but that's it. Let's formalize this across the board by storing the strings in the normal sim state. This will allow (in future commits) supporting more functionality in the run interface, and to unify some of the libgloss syscalls.
2021-11-15sim: split program path out of argv vectorMike Frysinger1-4/+1
We use the program argv to both find the program to run (argv[0]) and to hold the arguments to the program. Most of the time this is fine, but if we want to let programs specify argv[0] independently (which is possible in standard *NIX programs), this double duty doesn't work. So let's split the path to the program to run out into a separate field by itself. This simplifies the various sim_open funcs too. By itself, this code is more of a logical cleanup than something that is super useful. But it will open up customization of argv[0] in a follow up commit. Split the changes to make it easier to review.
2021-06-18sim: split sim-signal.h include outMike Frysinger1-0/+1
The sim-basics.h is too big and includes too many things. This leads to some arch's sim-main.h having circular loop issues with defs, and makes it hard to separate out common objects from arch-specific defs. By splitting up sim-basics.h and killing off sim-main.h, it'll make it easier to separate out the two.
2021-06-17sim: overhaul & unify endian settings managementMike Frysinger1-0/+1
The m4 macro has 2 args: the "wire" settings (which represents the hardwired port behavior), and the default settings (which are used if nothing else is specified). If none are specified, the arch is expected to support both, and the value will be probed based on the user runtime options or the input program. Only two arches today set the default value (bpf & mips). We can probably let this go as it only shows up in one scenario: the sim is invoked, but with no inputs, and no user endian selection. This means bpf will not behave like the other arches: an error is shown and forces the user to make a choice. If an input program is used though, we'll still switch the default to that. This allows us to remove the WITH_DEFAULT_TARGET_BYTE_ORDER setting. For the ports that set a "wire" endian, move it to the runtime init of the respective sim_open calls. This allows us to change the WITH_TARGET_BYTE_ORDER to purely a user-selected configure setting if they want to force a specific endianness. With all the endian logic moved to runtime selection, we can move the configure call up to the common dir so we only process it once across all ports. The ppc arch was picking the wire endian based on the target used, but since we weren't doing that for other biendian arches, we can let this go too. We'll rely on the input selecting the endian, or make the user decide.
2021-06-12sim: overhaul alignment settings managementMike Frysinger1-0/+3
Currently, the sim-config module will abort if alignment settings haven't been specified by the port's configure.ac. This is a bit weird when we've allowed SIM_AC_OPTION_ALIGNMENT to seem like it's optional to use. Thus everyone invokes it. There are 4 alignment settings, but really only 2 matters: strict and nonstrict. The "mixed" setting is just the default ("unset"), and "forced" isn't used directly by anyone (it's available as a runtime option for some ports). The m4 macro has 2 args: the "wire" settings (which represents the hardwired port behavior), and the default settings (which are used if nothing else is specified). If none are specified, then the build won't work (see above as if SIM_AC_OPTION_ALIGNMENT wasn't called). If default settings are provided, then that is used, but we allow the user to override at runtime. Otherwise, the "wire" settings are used and user runtime options to change are ignored. Most ports specify a default, or set the "wire" to nonstrict. A few set "wire" to strict, but it's not clear that's necessary as it doesn't make the code behavior, by default, any different. It might make things a little faster, but we should provide the user the choice of the compromises to make: force a specific mode at compile time for faster runtime, or allow the choice at runtime. More likely it seems like an oversight when these ports were initially created, and/or copied & pasted from existing ports. With all that backstory, let's get to what this commit does. First kill off the idea of a compile-time default alignment and set it to nonstrict in the common code. For any ports that want strict alignment by default, that code is moved to sim_open while initializing the sim. That means WITH_DEFAULT_ALIGNMENT can be completely removed. Moving the default alignment to the runtime also allows removal of setting the "wire" settings at configure time. Which allows removing of all arguments to SIM_AC_OPTION_ALIGNMENT and moving that call to common code. The macro logic can be reworked to not pass WITH_ALIGNMENT as -D CPPFLAG and instead move it to config.h. All of these taken together mean we can hoist the macro up to the top level and share it among all sims so behavior is consistent among all the ports.
2021-05-16sim: switch config.h usage to defs.hMike Frysinger1-1/+3
The defs.h header will take care of including the various config.h headers. For now, it's just config.h, but we'll add more when we integrate gnulib in. This header should be used instead of config.h, and should be the first include in every .c file. We won't rely on the old behavior where we expected files to include the port's sim-main.h which then includes the common sim-basics.h which then includes config.h. We have a ton of code that includes things before sim-main.h, and it sometimes needs to be that way. Creating a dedicated header avoids the ordering mess and implicit inclusion that shows up otherwise.
2021-05-14sim: create header namespaceMike Frysinger1-2/+2
The gdb/callback.h & gdb/remote-sim.h headers have nothing to do with gdb and are really definitions for the libsim API under the sim/ tree. While gdb uses those headers as a client, it's not specific to it. So create a new sim/ namespace and move the headers there.
2021-04-12sim: cgen: move cgen_cpu_max_extra_bytes logic into the common codeMike Frysinger1-1/+1
Every arch handles this the same way, so move it to the common code. This will also make unifying the sim_cpu structure easier.
2021-01-01Update copyright year range in all GDB filesJoel Brobecker1-1/+1
This commits the result of running gdb/copyright.py as per our Start of New Year procedure... gdb/ChangeLog Update copyright year range in copyright header of all GDB files.
2020-01-01Update copyright year range in all GDB files.Joel Brobecker1-1/+1
gdb/ChangeLog: Update copyright year range in all GDB files.
2019-01-01Update copyright year range in all GDB files.Joel Brobecker1-1/+1
This commit applies all changes made after running the gdb/copyright.py script. Note that one file was flagged by the script, due to an invalid copyright header (gdb/unittests/basic_string_view/element_access/char/empty.cc). As the file was copied from GCC's libstdc++-v3 testsuite, this commit leaves this file untouched for the time being; a patch to fix the header was sent to gcc-patches first. gdb/ChangeLog: Update copyright year range in all GDB files.
2018-01-02Update copyright year range in all GDB filesJoel Brobecker1-1/+1
gdb/ChangeLog: Update copyright year range in all GDB files
2017-11-01FT32: support for FT32B processor - part 2/2James Bowman1-7/+15
FT32B is a new FT32 family member. This patch adds support for the compressed instructions to gdb and sim. gdb/ChangeLog: * ft32-tdep.c (ft32_fetch_instruction): New function. (ft32_analyze_prologue): Use ft32_fetch_instruction(). sim/ChangeLog: * ft32/interp.c (step_once): Add ft32 shortcode decoder.
2017-10-12FT32: support for FT32B processor - part 1James Bowman1-7/+11
FT32B is a new FT32 family member. It has a code compression scheme, which requires the use of linker relaxations. The change is quite large, so submission is in several parts. Part 1 adds a 15-bit instruction field, and CPU-specific functions for the code compression that are used in binutils and GDB. bfd/ChangeLog: 2017-10-12 James Bowman <james.bowman@ftdichip.com> * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. * elf32-ft32.c: Add HOWTO R_FT32_15. * reloc.c: Add BFD_RELOC_FT32_15. gas/ChangeLog: 2017-10-12 James Bowman <james.bowman@ftdichip.com> * config/tc-ft32.c (md_assemble): Replace FT32_FLD_K8 with K15. (md_apply_fix, tc_gen_reloc): Add BFD_RELOC_FT32_15. include/ChangeLog: 2017-10-12 James Bowman <james.bowman@ftdichip.com> * elf/ft32.h: Add R_FT32_15. * opcode/ft32.h: Replace FT32_FLD_K8 with K15. (ft32_shortcode, sc_compar, ft32_split_shortcode, ft32_merge_shortcode, ft32_merge_shortcode): New functions. opcodes/ChangeLog: 2017-10-12 James Bowman <james.bowman@ftdichip.com> * opcodes/ft32-dis.c (print_insn_ft32): Replace FT32_FLD_K8 with K15. * opcodes/ft32-opc.c (ft32_opc_info): Replace FT32_FLD_K8 with K15. Add jmpix pattern. sim/ChangeLog: 2017-10-12 James Bowman <james.bowman@ftdichip.com> * sim/ft32/interp.c (step_once): Replace FT32_FLD_K8 with K15.
2017-01-01update copyright year range in GDB filesJoel Brobecker1-1/+1
This applies the second part of GDB's End of Year Procedure, which updates the copyright year range in all of GDB's files. gdb/ChangeLog: Update copyright year range in all GDB files.
2016-01-06sim: sim_{create_inferior,open,parse_args}: constify argv/env slightlyMike Frysinger1-3/+3
2016-01-03 Mike Frysinger <vapier@gentoo.org> * sim-options.c (sim_parse_args): Mark argv array const. * sim-options.h (sim_parse_args): Likewise.
2016-01-03sim: parse_args: display getopt error ourselvesMike Frysinger1-3/+1
Fix a long standing todo where we let getopt write directly to stderr when an invalid option is passed. Use the sim io funcs instead as they go through the filtered callbacks that gdb wants.
2016-01-01GDB copyright headers update after running GDB's copyright.py script.Joel Brobecker1-1/+1
gdb/ChangeLog: Update year range in copyright notice of all files.
2015-12-26sim: standardize sim_create_inferior handling of argv a bit moreMike Frysinger1-1/+5
For targets that process argv in sim_create_inferior, improve the code: - provide more details in the comment - make the check for when to re-init more robust - clean out legacy sim_copy_argv code This will be cleaned up more in the future when we have a common inferior creation function, but at least help new ports get it right until then.
2015-11-15sim: sim-close: unify sim_close logicMike Frysinger1-6/+0
Other than the nice advantage of all sims having to declare one fewer common function, this also fixes leakage in pretty much every sim. Many were not freeing any resources, and a few were inconsistent as to the ones they did. Now we have a single module that takes care of all the logic for us. Most of the non-cgen based ones could be deleted outright. The cgen ones required adding a callback to the arch-specific cleanup func. The few that still have close callbacks are to manage their internal state. We do not convert erc32, m32c, ppc, rl78, or rx as they do not use the common sim core.
2015-09-29sim: ft32: correct simulation of MEMCPY and MEMSETJames Bowman1-2/+2
The MEMCPY and MEMSET instructions should only examine the low 15 bits of their length arguments.
2015-09-29sim: ft32: correctly simulate PM write portJames Bowman1-2/+6
The FT32 simulator was not correctly simulating the behavior of the program memory (PM) write port. When it is locked, writes to the data register do nothing.
2015-09-22sim: ft32: add character input portJames Bowman1-0/+2
The FT32 simulator has character output, of course. This patch adds character input, which lets the simulator run interactive FT32 applications, e.g. language interpreters.
2015-04-17sim: replace CIA_{GET,SET} with CPU_PC_{GET,SET}Mike Frysinger1-3/+3
The CIA_{GET,SET} macros serve the same function as CPU_PC_{GET,SET} except the latter adds a layer of indirection via the sim state. This lets models set up different functions at runtime and doesn't reach so directly into the arch-specific cpu state. It also doesn't make sense to have two sets of macros that do exactly the same thing, so lets standardize on the one that gets us more.
2015-04-13sim: ft32: fix ft32_pc_get logicMike Frysinger1-1/+1
2015-04-12sim: ft32: delete sim_read/sim_write funcsMike Frysinger1-22/+0
The common sim-hrw.o provides both of these, so simply use them.
2015-03-28sim: ft32: new portJames Bowman1-0/+913
FT32 is a new high performance 32-bit RISC core developed by FTDI for embedded applications.
generated by cgit v1.1 at 2024-07-25 20:25:49 +0000