On 10/28/26 12:25 PM, Philippe Mathieu-Daudé wrote:
Add R5900 system tests, code is covered, CPU can come back,
allowing to fix a bug on PCGT opcode.
Since [v1]:
- rebased
- added freestanding libc stubs
- o32/n32 tests
[v1]:
https://lore.kernel.org/qemu-devel/[email protected]/
Philippe Mathieu-Daudé (9):
target/mips: Re-introduce the R5900 CPU in system mode
target/mips/tx79: Fix PCGT* (Parallel Compare for Greater Than)
tests/guest-debug: Allow placing the binary within system QEMU args
tests/tcg/mips64el: Add bare-metal harness for R5900 system tests
tests/tcg/mips64el: Move R5900 tests to system mode and build with
meson
target/mips: Factor mips_gdb_read_value() out
target/mips: Describe gdbstub registers with XML features
target/mips: Expose R5900 registers to gdb
tests/tcg/mips64el: Add a TX79 instruction test in system mode
MAINTAINERS | 1 +
configs/targets/mips-linux-user.mak | 1 +
configs/targets/mips-softmmu.mak | 1 +
configs/targets/mips64-linux-user.mak | 1 +
configs/targets/mips64-softmmu.mak | 1 +
configs/targets/mips64el-linux-user.mak | 1 +
configs/targets/mips64el-softmmu.mak | 1 +
configs/targets/mipsel-linux-user.mak | 1 +
configs/targets/mipsel-softmmu.mak | 1 +
configs/targets/mipsn32-linux-user.mak | 1 +
configs/targets/mipsn32el-linux-user.mak | 1 +
target/mips/internal.h | 2 +
tests/tcg/mips64el/system/include/assert.h | 15 +
tests/tcg/mips64el/system/include/inttypes.h | 7 +
tests/tcg/mips64el/system/include/stdio.h | 17 +
tests/tcg/mips64el/system/include/string.h | 16 +
target/mips/cpu.c | 4 +
target/mips/gdbstub.c | 152 +++++-
target/mips/tcg/tx79_translate.c | 10 +-
tests/tcg/mips64el/system/harness.c | 66 +++
.../system}/test_r5900_div1.c | 0
.../system}/test_r5900_divu1.c | 0
.../system}/test_r5900_madd.c | 0
.../system}/test_r5900_maddu.c | 0
.../system}/test_r5900_mflohi1.c | 0
.../system}/test_r5900_mtlohi1.c | 0
.../system}/test_r5900_mult.c | 0
.../system}/test_r5900_multu.c | 0
tests/tcg/mips64el/system/test_r5900_tx79.c | 477 ++++++++++++++++++
target/mips/cpu-defs.c.inc | 45 ++
gdbstub/gdb-xml/mips32-cp0.xml | 9 +
gdbstub/gdb-xml/mips32-cpu.xml | 42 ++
gdbstub/gdb-xml/mips32-fpu.xml | 41 ++
gdbstub/gdb-xml/mips64-cp0.xml | 9 +
gdbstub/gdb-xml/mips64-cpu.xml | 42 ++
gdbstub/gdb-xml/mips64-fpu.xml | 41 ++
gdbstub/gdb-xml/mips64-r5900.xml | 47 ++
tests/guest-debug/run-test.py | 9 +-
tests/tcg/mips/user/isa/r5900/Makefile | 32 --
tests/tcg/mips/user/isa/r5900/README | 6 -
tests/tcg/mips64el/meson.build | 2 +
tests/tcg/mips64el/system/boot.S | 23 +
tests/tcg/mips64el/system/kernel.ld | 43 ++
tests/tcg/mips64el/system/meson.build | 62 +++
tests/tcg/mips64el/system/test-r5900.py | 30 ++
45 files changed, 1211 insertions(+), 49 deletions(-)
create mode 100644 tests/tcg/mips64el/system/include/assert.h
create mode 100644 tests/tcg/mips64el/system/include/inttypes.h
create mode 100644 tests/tcg/mips64el/system/include/stdio.h
create mode 100644 tests/tcg/mips64el/system/include/string.h
create mode 100644 tests/tcg/mips64el/system/harness.c
rename tests/tcg/{mips/user/isa/r5900 => mips64el/system}/test_r5900_div1.c
(100%)
rename tests/tcg/{mips/user/isa/r5900 => mips64el/system}/test_r5900_divu1.c
(100%)
rename tests/tcg/{mips/user/isa/r5900 => mips64el/system}/test_r5900_madd.c
(100%)
rename tests/tcg/{mips/user/isa/r5900 => mips64el/system}/test_r5900_maddu.c
(100%)
rename tests/tcg/{mips/user/isa/r5900 =>
mips64el/system}/test_r5900_mflohi1.c (100%)
rename tests/tcg/{mips/user/isa/r5900 =>
mips64el/system}/test_r5900_mtlohi1.c (100%)
rename tests/tcg/{mips/user/isa/r5900 => mips64el/system}/test_r5900_mult.c
(100%)
rename tests/tcg/{mips/user/isa/r5900 => mips64el/system}/test_r5900_multu.c
(100%)
create mode 100644 tests/tcg/mips64el/system/test_r5900_tx79.c
create mode 100644 gdbstub/gdb-xml/mips32-cp0.xml
create mode 100644 gdbstub/gdb-xml/mips32-cpu.xml
create mode 100644 gdbstub/gdb-xml/mips32-fpu.xml
create mode 100644 gdbstub/gdb-xml/mips64-cp0.xml
create mode 100644 gdbstub/gdb-xml/mips64-cpu.xml
create mode 100644 gdbstub/gdb-xml/mips64-fpu.xml
create mode 100644 gdbstub/gdb-xml/mips64-r5900.xml
delete mode 100644 tests/tcg/mips/user/isa/r5900/Makefile
delete mode 100644 tests/tcg/mips/user/isa/r5900/README
create mode 100644 tests/tcg/mips64el/system/boot.S
create mode 100644 tests/tcg/mips64el/system/kernel.ld
create mode 100644 tests/tcg/mips64el/system/meson.build
create mode 100644 tests/tcg/mips64el/system/test-r5900.py
See some test failures, related to gdb:
https://github.com/p-b-o/qemu-ci/actions/runs/40776744817/job/123131480244
Regards,
Pierrick
