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21 Commits

Author SHA1 Message Date
Gustavo Romero
4d6d8a05a0 linux-user: Move tswap_siginfo out of target code 
Move tswap_siginfo from target code to handle_pending_signal. This will
allow some cleanups and having the siginfo ready to be used in gdbstub.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240309030901.1726211-3-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
 2024-03-13 11:43:52 +00:00
Richard Henderson
01a721167a linux-user/loongarch64: Remove TARGET_FORCE_SHMLBA 
The kernel abi was changed with

    commit d23b77953f5a4fbf94c05157b186aac2a247ae32
    Author: Huacai Chen <chenhuacai@kernel.org>
    Date:   Wed Jan 17 12:43:08 2024 +0800

        LoongArch: Change SHMLBA from SZ_64K to PAGE_SIZE

during the v6.8 cycle.

Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-02-29 14:24:30 -10:00
Song Gao
f707773753 linux-user/loongarch64: Add LASX sigcontext save/restore 
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231101030816.2353416-7-gaosong@loongson.cn>
 2023-11-03 14:13:46 +08:00
Song Gao
90ea967d14 linux-user/loongarch64: Add LSX sigcontext save/restore 
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231101030816.2353416-6-gaosong@loongson.cn>
 2023-11-03 14:13:40 +08:00
Song Gao
7c0ea81ce6 linux-user/loongarch64: Use abi_{ulong,uint} types 
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231101030816.2353416-5-gaosong@loongson.cn>
 2023-11-03 14:13:37 +08:00
Song Gao
01714edafd linux-user/loongarch64: setup_sigframe() set 'end' context size 0 
See:
  https://github.com/torvalds/linux/blob/master/arch/loongarch/kernel/signal.c

The kernel setup_sigcontext() set end context size 0.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231101030816.2353416-4-gaosong@loongson.cn>
 2023-11-03 14:13:26 +08:00
Song Gao
420756c2dd linux-user/loongarch64: Fix setup_extcontext alloc wrong fpu_context size 
See:
 https://github.com/torvalds/linux/blob/master/arch/loongarch/kernel/signal.c

The alloc size is sizeof(struct target_fpu_context).

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231101030816.2353416-3-gaosong@loongson.cn>
 2023-11-03 14:13:22 +08:00
Richard Henderson
91ffd93be6 linux-user/loongarch64: Use traps to track LSX/LASX usage 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231101030816.2353416-2-gaosong@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
 2023-11-03 14:13:18 +08:00
Richard Henderson
00cc2934b2 linux-user/loongarch64: Add vdso 
Requires a relatively recent binutils version in order to avoid
spurious R_LARCH_NONE relocations.  The presence of these relocs
are diagnosed by our gen-vdso tool.

Tested-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2023-10-30 13:41:55 -07:00
Song Gao
008a3b1662 target/loongarch: Add LASX data support 
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230914022645.1151356-12-gaosong@loongson.cn>
 2023-09-20 11:43:11 +08:00
Richard Henderson
121c8dd69d linux-user: Split out cpu/target_proc.h 
Move the various open_cpuinfo functions into new files.
Move the m68k open_hardware function as well.
All other guest architectures get a boilerplate empty file.

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2023-09-01 13:33:09 -07:00
Richard Henderson
da2b71fab6 linux-user: Define ELF_ET_DYN_BASE in $guest/target_mman.h 
Copy each guest kernel's default value, then bound it
against reserved_va or the host address space.

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2023-08-08 13:27:15 -07:00
Richard Henderson
2d708164e0 linux-user: Define TASK_UNMAPPED_BASE in $guest/target_mman.h 
Provide default values that are as close as possible to the
values used by the guest's kernel.

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2023-08-08 13:24:27 -07:00
Song Gao
16f5396cec target/loongarch: Add LSX data type VReg 
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230504122810.4094787-2-gaosong@loongson.cn>
 2023-05-06 11:19:42 +08:00
Ilya Leoshkevich
9f22020b91 linux-user: Provide MADV_* definitions 
Provide MADV_* definitions using target_mman.h header, similar to what
kernel does. Most architectures use the same values, with the exception
of alpha and hppa.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220906000839.1672934-2-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
 2022-09-27 09:30:09 +02:00
Song Gao
2f149c759f target/loongarch: Update gdb_set_fpu() and gdb_get_fpu() 
GDB LoongArch fpu use fcc register, update gdb_set_fpu()
and gdb_get_fpu() to match it.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220805033523.1416837-6-gaosong@loongson.cn>
 2022-08-05 10:02:40 -07:00
Song Gao
da8c70ea82 linux-user: Add LoongArch cpu_loop support 
Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220624031049.1716097-6-gaosong@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2022-07-04 11:08:57 +05:30
Song Gao
1f63019632 linux-user: Add LoongArch syscall support 
Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220624031049.1716097-5-gaosong@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2022-07-04 11:08:57 +05:30
Song Gao
3418fe25fa linux-user: Add LoongArch elf support 
Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220624031049.1716097-4-gaosong@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2022-07-04 11:08:57 +05:30
Song Gao
9d5cd6587a linux-user: Add LoongArch signal support 
Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Message-Id: <20220624031049.1716097-3-gaosong@loongson.cn>
[rth: Rework extctx frame allocation and locking;
      Properly read/write fcc from signal frame.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2022-07-04 11:08:57 +05:30
Song Gao
070f735333 linux-user: Add LoongArch generic header files 
This includes:
- sockbits.h
- target_errno_defs.h
- target_fcntl.h
- termbits.h
- target_resource.h
- target_structs.h

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: WANG Xuerui <git@xen0n.name>
Message-Id: <20220624031049.1716097-2-gaosong@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2022-07-04 11:08:57 +05:30