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target/nios2: Remove TARGET_ALIGNED_ONLY

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In gen_ldx/gen_stx, the only two locations for memory operations,
mark the operation as either aligned (softmmu) or unaligned
(user-only, as if emulated by the kernel).

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-05-02 10:38:52 +01:00
parent 0e85e81b42
commit a978c37b27
2 changed files with 10 additions and 1 deletions
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1
configs/targets/nios2-softmmu.mak
View File

@ -1,3 +1,2 @@
TARGET_ARCH=nios2
TARGET_ALIGNED_ONLY=y
TARGET_NEED_FDT=y

10
target/nios2/translate.c
View File

@ -298,6 +298,11 @@ static void gen_ldx(DisasContext *dc, uint32_t code, uint32_t flags)
TCGv data = dest_gpr(dc, instr.b);
tcg_gen_addi_tl(addr, load_gpr(dc, instr.a), instr.imm16.s);
#ifdef CONFIG_USER_ONLY
flags |= MO_UNALN;
#else
flags |= MO_ALIGN;
#endif
tcg_gen_qemu_ld_tl(data, addr, dc->mem_idx, flags);
}
@ -309,6 +314,11 @@ static void gen_stx(DisasContext *dc, uint32_t code, uint32_t flags)
TCGv addr = tcg_temp_new();
tcg_gen_addi_tl(addr, load_gpr(dc, instr.a), instr.imm16.s);
#ifdef CONFIG_USER_ONLY
flags |= MO_UNALN;
#else
flags |= MO_ALIGN;
#endif
tcg_gen_qemu_st_tl(val, addr, dc->mem_idx, flags);
}