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target/arm: Move BE32 disassembler fixup

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The Capstone disassembler has its own big-endian fixup.
Doing this twice does not work, of course.  Move our current
fixup from target/arm/cpu.c to disas/arm.c.

This makes read_memory_inner_func unused and can be removed.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2017-10-19 14:10:45 -07:00
parent 0eea8cdd6d
commit 6cd61517fb
3 changed files with 16 additions and 31 deletions
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19
target/arm/cpu.c
View file

@ -473,21 +473,6 @@ print_insn_thumb1(bfd_vma pc, disassemble_info *info)
return print_insn_arm(pc | 1, info);
}
static int arm_read_memory_func(bfd_vma memaddr, bfd_byte *b,
int length, struct disassemble_info *info)
{
assert(info->read_memory_inner_func);
assert((info->flags & INSN_ARM_BE32) == 0 || length == 2 || length == 4);
if ((info->flags & INSN_ARM_BE32) != 0 && length == 2) {
assert(info->endian == BFD_ENDIAN_LITTLE);
return info->read_memory_inner_func(memaddr ^ 2, (bfd_byte *)b, 2,
info);
} else {
return info->read_memory_inner_func(memaddr, b, length, info);
}
}
static void arm_disas_set_info(CPUState *cpu, disassemble_info *info)
{
ARMCPU *ac = ARM_CPU(cpu);
@ -513,10 +498,6 @@ static void arm_disas_set_info(CPUState *cpu, disassemble_info *info)
info->endian = BFD_ENDIAN_BIG;
#endif
}
if (info->read_memory_inner_func == NULL) {
info->read_memory_inner_func = info->read_memory_func;
info->read_memory_func = arm_read_memory_func;
}
info->flags &= ~INSN_ARM_BE32;
if (arm_sctlr_b(env)) {
info->flags |= INSN_ARM_BE32;