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[PATCH-for-6.2 2/2] disas/nios2: Simplify endianess conversion
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH-for-6.2 2/2] disas/nios2: Simplify endianess conversion |
Date: |
Sat, 7 Aug 2021 13:09:39 +0200 |
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 <f4bug@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)
--
2.31.1