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Author SHA1 Message Date
Guoqi Chen 7401cce313 cpu: replace specific instructions with WORD in the function get_cpucfg on loong64 
The CPUCFG instruction on loong64 was introduced in Go1.24, which caused
compilation errors when using this feature in Go1.23 and earlier versions.

Change-Id: I68891bbfc527194ecdafebac3398e700bfb53c2f
Reviewed-on: https://go-review.googlesource.com/c/sys/+/656915
Reviewed-by: Meidan Li <limeidan@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
 2025-03-12 17:52:00 -07:00
Guoqi Chen b8f7da6c5a cpu: add support for detecting cpu features on loong64 
Except for lasx, all other features have been implemented
in the Go mainline.

Change-Id: I61a09396ed23d17991b641a1265e952585cb5636
Reviewed-on: https://go-review.googlesource.com/c/sys/+/655355
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
 2025-03-11 18:36:47 -07:00
Guoqi Chen 3932916d5c unix: switch to Ubuntu 24.10 in Dockerfile 
ubuntu 24.04 introduced support for qemu-loongarch64, and ubuntu 24.10
introduced support for the cross-compiler gcc-loongarch64-linux-gnu, so
we can temporarily switch to ubuntu 24.10 to discard the extra links
introduced by loong64 and switch to it when the next ubuntu LTS version
is released.

Change-Id: I96de123df0cf50d6ba0331eeb02fc1e8c48ce304
Reviewed-on: https://go-review.googlesource.com/c/sys/+/618075
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
 2024-10-14 16:58:48 +00:00
chenguoqi 51546915a6 unix/linux: update to gcc 13.2.0, qemu 8.0.3 for loong64 and and Go 1.21.0 for all 
Running `GOOS=linux GOARCH={amd64,arm64,loong64,mips64le,riscv64} ./mkall.sh`
produces no changes, as expected.

Update Loong64's cross toolchain to support for the ELF psABI v2.0 relocs [1].

Updates #58784.

[1]: https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html

Change-Id: I676893b934d8cfc30b9f3702fc92a5ab82f7f116
Reviewed-on: https://go-review.googlesource.com/c/sys/+/483455
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
 2023-08-25 20:53:44 +00:00
Guoqi Chen 5059a07aa4 unix: implement Ptrace{Set,Get}Regs using PTRACE_{GET,SET}REGSET for Linux 
The same change was already done in CL 501756.

Fixes #60679.

Change-Id: I5d1f4ad89cabb0ac120b3d72876944fb3283ec6f
Reviewed-on: https://go-review.googlesource.com/c/sys/+/501795
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
 2023-06-09 14:43:47 +00:00
chenguoqi 7a75290698 unix/linux: update to glibc 2.36 
Support for LoongArch has been merged upstream. This allows to
drop the loong64 specific glibc patches.

Because the header file sys/mount.h of glibc 2.36 includes fcntl.h
(commit 78a408ee7ba041fc8d5dbd5f67065b4a982c11e5), this will leads to
duplicate definition of structure stat on MIPS64.  In order to solve
this error, use the custom type my_stat to generate the Go Stat_t.

Change-Id: I888280d777d1c7089548acf1b3821762011d79b0
Reviewed-on: https://go-review.googlesource.com/c/sys/+/453555
Reviewed-by: xiaodong liu <teaofmoli@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
 2023-01-31 14:54:23 +00:00
chenguoqi b829a39df5 unix/linux: update to gcc 13.0.0, qemu 7.1.0 for loong64 
No changes in generated files.

Update loongarch64-linux-gcc to 13.0.0
- The kernel header file version is upgraded to 5.19

Update qemu-loongarch64 to 7.1.0
- Support for LoongArch has been merged upstream.

Change-Id: I637925fd9e5575dfb4ce91ece98951d5bf3053e6
Reviewed-on: https://go-review.googlesource.com/c/sys/+/453458
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: xiaodong liu <teaofmoli@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
 2023-01-30 18:37:20 +00:00
Guoqi Chen 6c1b26c550 unix: always zero the higher bits of return value on linux/loong64 syscalls 
All loong64 syscalls return values only via R4/A0, and R5/A1 may contain
unrelated content. Always zero the second return value.

Change-Id: Ic889f33158c4e4999bd94bd768d1094e95bc6421
Reviewed-on: https://go-review.googlesource.com/c/sys/+/411634
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: David Chase <drchase@google.com>
 2022-06-14 16:21:38 +00:00