Le 07/08/2021 à 13:09, Philippe Mathieu-Daudé a écrit :
> Since commit 12b6e9b27d4 ("disas: Clean up CPUDebug initialization")
> the disassemble_info->bfd_endian enum is set for all targets in
> target_disas(). We can directly call print_insn_nios2() and simplify.
>
> Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
> ---
> include/disas/dis-asm.h | 3 +--
> disas/nios2.c | 22 +++-------------------
> target/nios2/cpu.c | 6 +-----
> 3 files changed, 5 insertions(+), 26 deletions(-)
>
> diff --git a/include/disas/dis-asm.h b/include/disas/dis-asm.h
> index 524f29196d9..08e1beec854 100644
> --- a/include/disas/dis-asm.h
> +++ b/include/disas/dis-asm.h
> @@ -455,8 +455,7 @@ int print_insn_crisv32 (bfd_vma,
> disassemble_info*);
> int print_insn_crisv10 (bfd_vma, disassemble_info*);
> int print_insn_microblaze (bfd_vma, disassemble_info*);
> int print_insn_ia64 (bfd_vma, disassemble_info*);
> -int print_insn_big_nios2 (bfd_vma, disassemble_info*);
> -int print_insn_little_nios2 (bfd_vma, disassemble_info*);
> +int print_insn_nios2(bfd_vma, disassemble_info*);
> int print_insn_xtensa (bfd_vma, disassemble_info*);
> int print_insn_riscv32 (bfd_vma, disassemble_info*);
> int print_insn_riscv64 (bfd_vma, disassemble_info*);
> diff --git a/disas/nios2.c b/disas/nios2.c
> index d124902ae3e..98ac07d72e9 100644
> --- a/disas/nios2.c
> +++ b/disas/nios2.c
> @@ -3478,9 +3478,7 @@ nios2_disassemble (bfd_vma address, unsigned long
> opcode,
> instruction word at the address given, and prints the disassembled
> instruction on the stream info->stream using info->fprintf_func. */
>
> -static int
> -print_insn_nios2 (bfd_vma address, disassemble_info *info,
> - enum bfd_endian endianness)
> +int print_insn_nios2(bfd_vma address, disassemble_info *info)
> {
> bfd_byte buffer[INSNLEN];
> int status;
> @@ -3488,7 +3486,7 @@ print_insn_nios2 (bfd_vma address, disassemble_info
> *info,
> status = (*info->read_memory_func)(address, buffer, INSNLEN, info);
> if (status == 0) {
> unsigned long insn;
> - if (endianness == BFD_ENDIAN_BIG) {
> + if (info->endian == BFD_ENDIAN_BIG) {
> insn = (unsigned long) bfd_getb32(buffer);
> } else {
> insn = (unsigned long) bfd_getl32(buffer);
> @@ -3501,7 +3499,7 @@ print_insn_nios2 (bfd_vma address, disassemble_info
> *info,
> status = (*info->read_memory_func)(address, buffer, 2, info);
> if (status == 0) {
> unsigned long insn;
> - if (endianness == BFD_ENDIAN_BIG) {
> + if (info->endian == BFD_ENDIAN_BIG) {
> insn = (unsigned long) bfd_getb16(buffer);
> } else {
> insn = (unsigned long) bfd_getl16(buffer);
> @@ -3514,17 +3512,3 @@ print_insn_nios2 (bfd_vma address, disassemble_info
> *info,
> (*info->memory_error_func)(status, address, info);
> return -1;
> }
> -
> -/* These two functions are the main entry points, accessed from
> - disassemble.c. */
> -int
> -print_insn_big_nios2 (bfd_vma address, disassemble_info *info)
> -{
> - return print_insn_nios2 (address, info, BFD_ENDIAN_BIG);
> -}
> -
> -int
> -print_insn_little_nios2 (bfd_vma address, disassemble_info *info)
> -{
> - return print_insn_nios2 (address, info, BFD_ENDIAN_LITTLE);
> -}
> diff --git a/target/nios2/cpu.c b/target/nios2/cpu.c
> index 5e37defef80..5b503b5bb99 100644
> --- a/target/nios2/cpu.c
> +++ b/target/nios2/cpu.c
> @@ -146,11 +146,7 @@ static void nios2_cpu_disas_set_info(CPUState *cpu,
> disassemble_info *info)
> {
> /* NOTE: NiosII R2 is not supported yet. */
> info->mach = bfd_arch_nios2;
> -#ifdef TARGET_WORDS_BIGENDIAN
> - info->print_insn = print_insn_big_nios2;
> -#else
> - info->print_insn = print_insn_little_nios2;
> -#endif
> + info->print_insn = print_insn_nios2;
> }
>
> static int nios2_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf,
> int n)
>
Reviewed-by: Laurent Vivier <laur...@vivier.eu>
