openpower-isa.git
2 years agooppc/code: support unsigned comparisons
Dmitry Selyutin [Sun, 14 Jan 2024 13:43:00 +0000 (16:43 +0300)]
oppc/code: support unsigned comparisons

2 years agooppc/code: rename oppc_int to oppc_value
Dmitry Selyutin [Sun, 14 Jan 2024 13:34:36 +0000 (16:34 +0300)]
oppc/code: rename oppc_int to oppc_value

2 years agooppc/code: support ternary expr inside binary and unary
Dmitry Selyutin [Sun, 14 Jan 2024 13:22:34 +0000 (16:22 +0300)]
oppc/code: support ternary expr inside binary and unary

2 years agooppc/code: align ternary if expressions
Dmitry Selyutin [Sun, 14 Jan 2024 13:20:37 +0000 (16:20 +0300)]
oppc/code: align ternary if expressions

2 years agooppc/code: eliminate redundant pseudocode
Dmitry Selyutin [Sun, 14 Jan 2024 12:56:43 +0000 (15:56 +0300)]
oppc/code: eliminate redundant pseudocode

2 years agooppc/code: emit symbol pseudocode
Dmitry Selyutin [Sun, 14 Jan 2024 12:46:49 +0000 (15:46 +0300)]
oppc/code: emit symbol pseudocode

2 years agooppc/code: drop explicit ctx argument
Dmitry Selyutin [Sun, 14 Jan 2024 12:30:42 +0000 (15:30 +0300)]
oppc/code: drop explicit ctx argument

2 years agooppc/code: introduce ccall
Dmitry Selyutin [Sun, 14 Jan 2024 12:24:39 +0000 (15:24 +0300)]
oppc/code: introduce ccall

2 years agooppc/code: introduce transient
Dmitry Selyutin [Sun, 14 Jan 2024 11:25:17 +0000 (14:25 +0300)]
oppc/code: introduce transient

2 years agooppc/ast: hash node by id
Dmitry Selyutin [Sun, 14 Jan 2024 12:17:18 +0000 (15:17 +0300)]
oppc/ast: hash node by id

2 years agooppc/main: parse all insndb instructions
Dmitry Selyutin [Sat, 13 Jan 2024 15:30:02 +0000 (18:30 +0300)]
oppc/main: parse all insndb instructions

2 years agooppc/code: convert everything into calls
Dmitry Selyutin [Sat, 13 Jan 2024 12:33:48 +0000 (15:33 +0300)]
oppc/code: convert everything into calls

2 years agooppc/util: simplify empty statements
Dmitry Selyutin [Sat, 13 Jan 2024 12:30:54 +0000 (15:30 +0300)]
oppc/util: simplify empty statements

2 years agooppc/parser: check for regs in trailerlist
Dmitry Selyutin [Fri, 12 Jan 2024 20:47:00 +0000 (23:47 +0300)]
oppc/parser: check for regs in trailerlist

2 years agooppc/code: support ternary conditionals
Dmitry Selyutin [Fri, 12 Jan 2024 20:23:36 +0000 (23:23 +0300)]
oppc/code: support ternary conditionals

2 years agooppc/code: support if exprs
Dmitry Selyutin [Fri, 12 Jan 2024 20:16:17 +0000 (23:16 +0300)]
oppc/code: support if exprs

2 years agooppc/pseudocode: simplify call arguments
Dmitry Selyutin [Fri, 12 Jan 2024 20:13:34 +0000 (23:13 +0300)]
oppc/pseudocode: simplify call arguments

2 years agooppc/code: support for exprs
Dmitry Selyutin [Fri, 12 Jan 2024 20:07:18 +0000 (23:07 +0300)]
oppc/code: support for exprs

2 years agooppc/code: support calls
Dmitry Selyutin [Fri, 12 Jan 2024 19:52:30 +0000 (22:52 +0300)]
oppc/code: support calls

2 years agooppc/code: support subscript assignments
Dmitry Selyutin [Fri, 12 Jan 2024 19:47:48 +0000 (22:47 +0300)]
oppc/code: support subscript assignments

2 years agooppc/code: support subscript exprs
Dmitry Selyutin [Fri, 12 Jan 2024 19:28:58 +0000 (22:28 +0300)]
oppc/code: support subscript exprs

2 years agooppc/code: support XLEN
Dmitry Selyutin [Fri, 12 Jan 2024 19:33:05 +0000 (22:33 +0300)]
oppc/code: support XLEN

2 years agooppc: consider subscripts exprs
Dmitry Selyutin [Fri, 12 Jan 2024 19:24:22 +0000 (22:24 +0300)]
oppc: consider subscripts exprs

2 years agooppc/code: support repeat expr
Dmitry Selyutin [Fri, 12 Jan 2024 19:24:22 +0000 (22:24 +0300)]
oppc/code: support repeat expr

2 years agooppc/code: simplify exprs and regs
Dmitry Selyutin [Fri, 12 Jan 2024 19:24:22 +0000 (22:24 +0300)]
oppc/code: simplify exprs and regs

2 years agooppc/code: support bitwise operations
Dmitry Selyutin [Fri, 12 Jan 2024 19:24:22 +0000 (22:24 +0300)]
oppc/code: support bitwise operations

2 years agooppc/code: support simple conditions
Dmitry Selyutin [Fri, 12 Jan 2024 19:24:22 +0000 (22:24 +0300)]
oppc/code: support simple conditions

2 years agooppc/code: support binary mul/div/mod
Dmitry Selyutin [Fri, 12 Jan 2024 19:24:22 +0000 (22:24 +0300)]
oppc/code: support binary mul/div/mod

2 years agooppc/code: support binary add/sub
Dmitry Selyutin [Fri, 12 Jan 2024 19:24:22 +0000 (22:24 +0300)]
oppc/code: support binary add/sub

2 years agooppc/code: refactor unary exprs
Dmitry Selyutin [Fri, 12 Jan 2024 19:24:22 +0000 (22:24 +0300)]
oppc/code: refactor unary exprs

2 years agooppc/code: support simple constant unary exprs
Dmitry Selyutin [Wed, 10 Jan 2024 21:09:37 +0000 (00:09 +0300)]
oppc/code: support simple constant unary exprs

2 years agooppc/code: support simple constant assignments
Dmitry Selyutin [Wed, 10 Jan 2024 20:49:22 +0000 (23:49 +0300)]
oppc/code: support simple constant assignments

2 years agooppc/code: introduce header and footer
Dmitry Selyutin [Wed, 10 Jan 2024 20:43:59 +0000 (23:43 +0300)]
oppc/code: introduce header and footer

2 years agooppc: introduce C generator skeleton
Dmitry Selyutin [Tue, 9 Jan 2024 21:26:03 +0000 (00:26 +0300)]
oppc: introduce C generator skeleton

2 years agooppc: check for special symbols
Dmitry Selyutin [Tue, 9 Jan 2024 19:48:26 +0000 (22:48 +0300)]
oppc: check for special symbols

2 years agooppc: decouple common code
Dmitry Selyutin [Tue, 9 Jan 2024 18:23:44 +0000 (21:23 +0300)]
oppc: decouple common code

2 years agooppc: simplify ternary conditionals
Dmitry Selyutin [Tue, 9 Jan 2024 18:29:45 +0000 (21:29 +0300)]
oppc: simplify ternary conditionals

2 years agooppc: decouple pseudocode module
Dmitry Selyutin [Tue, 9 Jan 2024 18:08:41 +0000 (21:08 +0300)]
oppc: decouple pseudocode module

2 years agooppc: decouple call name class
Dmitry Selyutin [Tue, 9 Jan 2024 15:49:56 +0000 (18:49 +0300)]
oppc: decouple call name class

2 years agooppc: rename Assign classes
Dmitry Selyutin [Mon, 8 Jan 2024 20:26:32 +0000 (23:26 +0300)]
oppc: rename Assign classes

2 years agooppc: swap declaration
Dmitry Selyutin [Mon, 8 Jan 2024 13:19:38 +0000 (16:19 +0300)]
oppc: swap declaration

2 years agooppc: introduce GPRZero class
Dmitry Selyutin [Mon, 8 Jan 2024 12:48:13 +0000 (15:48 +0300)]
oppc: introduce GPRZero class

2 years agopywriter: convert pcode to tree and back to pcode
Dmitry Selyutin [Mon, 8 Jan 2024 08:34:02 +0000 (11:34 +0300)]
pywriter: convert pcode to tree and back to pcode

2 years agooppc: introduce openpower pseudocode
Dmitry Selyutin [Sun, 7 Jan 2024 22:57:51 +0000 (01:57 +0300)]
oppc: introduce openpower pseudocode

2 years agoinsndb/db: update walker
Dmitry Selyutin [Fri, 5 Jan 2024 20:39:48 +0000 (23:39 +0300)]
insndb/db: update walker

2 years agofixedsync.mdwn: change sync from v3.1B version to v3.0B version
Jacob Lifshay [Tue, 16 Jan 2024 09:18:58 +0000 (01:18 -0800)]
fixedsync.mdwn: change sync from v3.1B version to v3.0B version

to use the v3.1B version requires fixing fields.text to use the new
L and SC fields, which requires deciphering all the places where the
current L (named L2) field is used and making sure they'll be correct still.

using the old interpretation of sync should be correct, but less optimal,
assuming OpenPower got their backwards compatibility correct.

2 years agobug 1251: WIP stbcx removed
Luke Kenneth Casson Leighton [Sun, 14 Jan 2024 19:36:18 +0000 (19:36 +0000)]
bug 1251: WIP stbcx removed

2 years agofix memory locations in linked-list test_caller_svp64_ldst.py
Luke Kenneth Casson Leighton [Mon, 8 Jan 2024 13:53:39 +0000 (13:53 +0000)]
fix memory locations in linked-list test_caller_svp64_ldst.py

2 years agofptrans.mdwn: don't parenthesize register being assigned to
Jacob Lifshay [Tue, 9 Jan 2024 08:01:44 +0000 (00:01 -0800)]
fptrans.mdwn: don't parenthesize register being assigned to

Fixes: https://bugs.libre-soc.org/show_bug.cgi?id=1247
2 years agowhitespace
Luke Kenneth Casson Leighton [Thu, 21 Dec 2023 17:22:52 +0000 (17:22 +0000)]
whitespace

2 years ago.gitlab-ci.yml: re-add maxschedchunk, it provides massive speedups -- ~2x on CI
Jacob Lifshay [Tue, 19 Dec 2023 01:46:13 +0000 (17:46 -0800)]
.gitlab-ci.yml: re-add maxschedchunk, it provides massive speedups -- ~2x on CI

this essentially reverts bfb9d7f312ebb5f394414b5e1ea8f03728af4489

on CI, bfb9d7f312ebb5f394414b5e1ea8f03728af4489 took 5h45m:
https://salsa.debian.org/Kazan-team/mirrors/openpower-isa/-/jobs/5038101
the parent commit took 2h37m:
https://salsa.debian.org/Kazan-team/mirrors/openpower-isa/-/jobs/5034703

2 years agobug 1183: correct comments from cut/paste
Luke Kenneth Casson Leighton [Fri, 15 Dec 2023 23:22:16 +0000 (23:22 +0000)]
bug 1183: correct comments from cut/paste

2 years agoremove pytest option which hard-codes assumptions about installed version
lkcl [Wed, 13 Dec 2023 22:36:45 +0000 (22:36 +0000)]
remove pytest option which hard-codes assumptions about installed version

2 years agoelf/simple_cases: disable case_static_glibc for now, re-enable when we work on it... 1228-elf-dynamic
Jacob Lifshay [Tue, 12 Dec 2023 18:20:03 +0000 (10:20 -0800)]
elf/simple_cases: disable case_static_glibc for now, re-enable when we work on it again.

2 years agoadd make_gdb_vm_image.sh script, it doesn't work yet but could be useful
Jacob Lifshay [Tue, 12 Dec 2023 18:11:04 +0000 (10:11 -0800)]
add make_gdb_vm_image.sh script, it doesn't work yet but could be useful

see https://bugs.libre-soc.org/show_bug.cgi?id=1228#c15

2 years agoload_elf: dump a sequence of gdb commands for easy debugging
Jacob Lifshay [Thu, 7 Dec 2023 08:55:22 +0000 (00:55 -0800)]
load_elf: dump a sequence of gdb commands for easy debugging

dumps a sequence of gdb commands that can easily be copied from
the output and pasted into gdb to reset the stack to what load_elf
uses, instead of what gdb's execve does.

2 years agoMemMMap: fix brk_syscall -- use unrounded input address as heap end
Jacob Lifshay [Thu, 7 Dec 2023 08:53:20 +0000 (00:53 -0800)]
MemMMap: fix brk_syscall -- use unrounded input address as heap end

it should use the input address as given when tracking the end of
the heap and returning addresses. it still needs to align addresses
when mapping/unmapping pages.

2 years agoload_elf: add forgotten auxv entries
Jacob Lifshay [Thu, 7 Dec 2023 08:52:48 +0000 (00:52 -0800)]
load_elf: add forgotten auxv entries

2 years agoload_elf: copy linux's auxv, argv, and env layout
Jacob Lifshay [Thu, 7 Dec 2023 07:36:14 +0000 (23:36 -0800)]
load_elf: copy linux's auxv, argv, and env layout

2 years agoload_elf: match linux better for statically-linked binaries
Jacob Lifshay [Wed, 6 Dec 2023 09:11:56 +0000 (01:11 -0800)]
load_elf: match linux better for statically-linked binaries

we still need more auxv entries, but the rest should match close
enough now.

2 years agoelf/simple_cases: enable debug info for statically-linked glibc demo
Jacob Lifshay [Wed, 6 Dec 2023 09:09:42 +0000 (01:09 -0800)]
elf/simple_cases: enable debug info for statically-linked glibc demo

2 years agoMemMMap: raise error for bad load/fetch addresses when emulating mmap
Jacob Lifshay [Wed, 6 Dec 2023 09:08:25 +0000 (01:08 -0800)]
MemMMap: raise error for bad load/fetch addresses when emulating mmap

2 years agocaller.py: don't try to make zero-sized memory accesses, they error
Jacob Lifshay [Wed, 6 Dec 2023 09:07:42 +0000 (01:07 -0800)]
caller.py: don't try to make zero-sized memory accesses, they error

2 years agotest/elf/__init__: make objdump go to default log kind -- it's quieter
Jacob Lifshay [Wed, 6 Dec 2023 09:06:26 +0000 (01:06 -0800)]
test/elf/__init__: make objdump go to default log kind -- it's quieter

2 years agocaller.py: implement writev syscall
Jacob Lifshay [Mon, 4 Dec 2023 10:15:47 +0000 (02:15 -0800)]
caller.py: implement writev syscall

2 years agofixedsync.mdwn: add sync instruction
Jacob Lifshay [Mon, 4 Dec 2023 10:15:30 +0000 (02:15 -0800)]
fixedsync.mdwn: add sync instruction

2 years agoMemMMap: use modified_pages.discard instead of remove since pages may not be modified
Jacob Lifshay [Mon, 4 Dec 2023 10:13:52 +0000 (02:13 -0800)]
MemMMap: use modified_pages.discard instead of remove since pages may not be modified

2 years agotest/ldst: add fixedsync tests for b/h/w/d ll/sc, but not quadword
Jacob Lifshay [Mon, 4 Dec 2023 09:45:23 +0000 (01:45 -0800)]
test/ldst: add fixedsync tests for b/h/w/d ll/sc, but not quadword

quadword probably doesn't work correctly and probably requires a bit of work

2 years agomajor/minor_62: add FIXMEs to lq/stq to match the FIXMEs on lqarx/stqcx.
Jacob Lifshay [Mon, 4 Dec 2023 09:43:26 +0000 (01:43 -0800)]
major/minor_62: add FIXMEs to lq/stq to match the FIXMEs on lqarx/stqcx.

2 years agofixedsync/minor_31: add stqcx. because I'm adding the others anyway
Jacob Lifshay [Mon, 4 Dec 2023 09:42:31 +0000 (01:42 -0800)]
fixedsync/minor_31: add stqcx. because I'm adding the others anyway

2 years agofixedsync/minor_31: add lqarx because I'm adding the others anyway
Jacob Lifshay [Mon, 4 Dec 2023 09:41:04 +0000 (01:41 -0800)]
fixedsync/minor_31: add lqarx because I'm adding the others anyway

2 years agominor_62.csv: add unofficial and comment2 fields
Jacob Lifshay [Mon, 4 Dec 2023 09:37:29 +0000 (01:37 -0800)]
minor_62.csv: add unofficial and comment2 fields

2 years agomajor.csv: add unofficial and comment2 fields
Jacob Lifshay [Mon, 4 Dec 2023 09:36:57 +0000 (01:36 -0800)]
major.csv: add unofficial and comment2 fields

2 years agofixedsync.mdwn: implement other sizes: lbarx lharx ldarx stbcx. sthcx. stdcx.
Jacob Lifshay [Mon, 4 Dec 2023 08:23:09 +0000 (00:23 -0800)]
fixedsync.mdwn: implement other sizes: lbarx lharx ldarx stbcx. sthcx. stdcx.

still unimplemented: lqarx and stqcx.

2 years agofixedsync.mdwn: fix stwcx. pseudocode
Jacob Lifshay [Mon, 4 Dec 2023 08:21:15 +0000 (00:21 -0800)]
fixedsync.mdwn: fix stwcx. pseudocode

2 years agoISACaller: add PowerISA spec. reference for real_page_size
Jacob Lifshay [Mon, 4 Dec 2023 08:19:31 +0000 (00:19 -0800)]
ISACaller: add PowerISA spec. reference for real_page_size

2 years agoISACaller: implement real_addr pseudo-code helper
Jacob Lifshay [Mon, 4 Dec 2023 08:18:10 +0000 (00:18 -0800)]
ISACaller: implement real_addr pseudo-code helper

2 years agotest/state: support memory in ExpectedState
Jacob Lifshay [Mon, 4 Dec 2023 08:17:02 +0000 (00:17 -0800)]
test/state: support memory in ExpectedState

2 years agoadd initial lwarx unit test and pseudocode
Luke Kenneth Casson Leighton [Sun, 3 Dec 2023 20:30:27 +0000 (20:30 +0000)]
add initial lwarx unit test and pseudocode

2 years agoadd WIP lrsc mdwn for stbcx
Luke Kenneth Casson Leighton [Sun, 3 Dec 2023 18:42:57 +0000 (18:42 +0000)]
add WIP lrsc mdwn for stbcx

2 years agotake every opportunity *not* to go onto a separate line with commas
Luke Kenneth Casson Leighton [Sun, 3 Dec 2023 10:11:28 +0000 (10:11 +0000)]
take every opportunity *not* to go onto a separate line with commas

bad:
-        log("is priv", instr_is_privileged, hex(self.msr.value),
-            self.msr[MSRb.PR])

good:
-        if instr_is_privileged and self.msr[MSRb.PR] == 1:
+        PR = self.msr[MSRb.PR]
+        log("is priv", instr_is_privileged, hex(self.msr.value), PR)
+        if instr_is_privileged and PR == 1:

2 years agoelf/simple_cases: add hello world statically-linked to glibc
Jacob Lifshay [Sun, 3 Dec 2023 08:51:13 +0000 (00:51 -0800)]
elf/simple_cases: add hello world statically-linked to glibc

it errors when reaching stwcx.

2 years agocaller.py: implement readlink/readlinkat syscalls
Jacob Lifshay [Sun, 3 Dec 2023 09:23:04 +0000 (01:23 -0800)]
caller.py: implement readlink/readlinkat syscalls

2 years agocaller.py: implement a pile of syscalls
Jacob Lifshay [Sun, 3 Dec 2023 08:49:08 +0000 (00:49 -0800)]
caller.py: implement a pile of syscalls

this implements read, mmap, mmap2, brk, openat, uname, and newuname.

it also stubs out munmap, mprotect, and pkey_mprotect so programs
don't crash cpython.

2 years agoload_elf: set mem.heap_range so brk works
Jacob Lifshay [Sun, 3 Dec 2023 08:47:05 +0000 (00:47 -0800)]
load_elf: set mem.heap_range so brk works

2 years agoMem: speed up log_fancy by using make_sim_state_dict()
Jacob Lifshay [Sun, 3 Dec 2023 08:46:01 +0000 (00:46 -0800)]
Mem: speed up log_fancy by using make_sim_state_dict()

2 years agoppc_flags: include more headers for uname, openat, etc.
Jacob Lifshay [Sun, 3 Dec 2023 08:44:48 +0000 (00:44 -0800)]
ppc_flags: include more headers for uname, openat, etc.

2 years agosyscalls/__init__: log which syscall is made
Jacob Lifshay [Sun, 3 Dec 2023 08:42:51 +0000 (00:42 -0800)]
syscalls/__init__: log which syscall is made

this is very handy when looking at logs, since you no longer have to
manually translate syscall numbers to syscall names.

2 years agoMemMMap/SimState: speed up SimState.get_mem() for large memories
Jacob Lifshay [Sun, 3 Dec 2023 07:57:21 +0000 (23:57 -0800)]
MemMMap/SimState: speed up SimState.get_mem() for large memories

make MemMMap use struct.Struct.unpack_from to read a whole page at
once, rather than doing a sequence of loads. This makes an ELF
binary statically-linked to glibc able to run many instructions per
second rather than one every tens of seconds or so.

2 years agoMemMMap: log mmap calls
Jacob Lifshay [Sun, 3 Dec 2023 07:50:57 +0000 (23:50 -0800)]
MemMMap: log mmap calls

2 years agomem.py: make MMapEmuBlock use hex for repr
Jacob Lifshay [Sun, 3 Dec 2023 07:50:08 +0000 (23:50 -0800)]
mem.py: make MMapEmuBlock use hex for repr

2 years agoMem: don't log loads when dumping, you'll see the memory dump anyway
Jacob Lifshay [Sun, 3 Dec 2023 07:45:41 +0000 (23:45 -0800)]
Mem: don't log loads when dumping, you'll see the memory dump anyway

this avoids a giant list of memory-load log messages immediately
followed by a much nicer memory dump, just show the memory dump
without logging every single load needed to create the memory dump.

This also makes memory-dumping faster for large memories.

2 years agoMemMMap: finish implementing brk_syscall
Jacob Lifshay [Sun, 3 Dec 2023 03:23:22 +0000 (19:23 -0800)]
MemMMap: finish implementing brk_syscall

2 years agocaller.py: use yield from on is_ffirst_mode since it's a generator
Jacob Lifshay [Wed, 13 Dec 2023 00:51:33 +0000 (16:51 -0800)]
caller.py: use yield from on is_ffirst_mode since it's a generator

2 years agocaller.py: fix undefined ffirst, hope I guessed the correct value
Jacob Lifshay [Wed, 13 Dec 2023 00:50:27 +0000 (16:50 -0800)]
caller.py: fix undefined ffirst, hope I guessed the correct value

2 years agocaller.py: XLEN must be accessed as self.XLEN
Jacob Lifshay [Wed, 13 Dec 2023 00:49:24 +0000 (16:49 -0800)]
caller.py: XLEN must be accessed as self.XLEN

2 years agoreenable tests
Luke Kenneth Casson Leighton [Sat, 9 Dec 2023 06:47:26 +0000 (06:47 +0000)]
reenable tests

2 years agobug #672: fix sv.minmax dd-ffirst-single unit test
Luke Kenneth Casson Leighton [Sat, 9 Dec 2023 06:40:35 +0000 (06:40 +0000)]
bug #672: fix sv.minmax dd-ffirst-single unit test

2 years agobug #672: invert testing in sv.minmax and add Rc=1
Luke Kenneth Casson Leighton [Fri, 8 Dec 2023 15:38:26 +0000 (15:38 +0000)]
bug #672: invert testing in sv.minmax and add Rc=1

2 years agobug #676: add sv.minmax dd-ffirst-single test
Luke Kenneth Casson Leighton [Fri, 8 Dec 2023 15:21:34 +0000 (15:21 +0000)]
bug #676: add sv.minmax dd-ffirst-single test