From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42220) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fLHT7-0008CA-0R for qemu-devel@nongnu.org; Tue, 22 May 2018 20:17:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fLHT5-0000pV-0G for qemu-devel@nongnu.org; Tue, 22 May 2018 20:17:28 -0400 Received: from mail-pf0-x22d.google.com ([2607:f8b0:400e:c00::22d]:34877) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fLHT4-0000pD-QZ for qemu-devel@nongnu.org; Tue, 22 May 2018 20:17:26 -0400 Received: by mail-pf0-x22d.google.com with SMTP id x9-v6so9564576pfm.2 for ; Tue, 22 May 2018 17:17:26 -0700 (PDT) From: Michael Clark Date: Wed, 23 May 2018 12:14:58 +1200 Message-Id: <1527034517-7851-12-git-send-email-mjc@sifive.com> In-Reply-To: <1527034517-7851-1-git-send-email-mjc@sifive.com> References: <1527034517-7851-1-git-send-email-mjc@sifive.com> Subject: [Qemu-devel] [PATCH v1 11/30] RISC-V: Split out mstatus_fs from tb_flags List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: patches@groups.riscv.org, Richard Henderson , Sagar Karandikar , Bastian Koppelmann , Palmer Dabbelt , Alistair Francis , Michael Clark From: Richard Henderson Cc: Sagar Karandikar Cc: Bastian Koppelmann Cc: Palmer Dabbelt Cc: Alistair Francis Cc: Richard Henderson Signed-off-by: Michael Clark Reviewed-by: Michael Clark --- target/riscv/cpu.h | 6 +++--- target/riscv/translate.c | 10 +++++----- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 3a3d91447736..242a8fcbe180 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -276,8 +276,8 @@ void QEMU_NORETURN do_raise_exception_err(CPURISCVState *env, target_ulong cpu_riscv_get_fflags(CPURISCVState *env); void cpu_riscv_set_fflags(CPURISCVState *env, target_ulong); -#define TB_FLAGS_MMU_MASK 3 -#define TB_FLAGS_FP_ENABLE MSTATUS_FS +#define TB_FLAGS_MMU_MASK 3 +#define TB_FLAGS_MSTATUS_FS MSTATUS_FS static inline void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, target_ulong *cs_base, uint32_t *flags) @@ -285,7 +285,7 @@ static inline void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, *pc = env->pc; *cs_base = 0; #ifdef CONFIG_USER_ONLY - *flags = TB_FLAGS_FP_ENABLE; + *flags = TB_FLAGS_MSTATUS_FS; #else *flags = cpu_mmu_index(env, 0) | (env->mstatus & MSTATUS_FS); #endif diff --git a/target/riscv/translate.c b/target/riscv/translate.c index ee2bbc55b051..466b9551cbd9 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -44,7 +44,7 @@ typedef struct DisasContext { /* pc_succ_insn points to the instruction following base.pc_next */ target_ulong pc_succ_insn; uint32_t opcode; - uint32_t flags; + uint32_t mstatus_fs; uint32_t mem_idx; /* Remember the rounding mode encoded in the previous fp instruction, which we have already installed into env->fp_status. Or -1 for @@ -656,7 +656,7 @@ static void gen_fp_load(DisasContext *ctx, uint32_t opc, int rd, { TCGv t0; - if (!(ctx->flags & TB_FLAGS_FP_ENABLE)) { + if (ctx->mstatus_fs == 0) { gen_exception_illegal(ctx); return; } @@ -686,7 +686,7 @@ static void gen_fp_store(DisasContext *ctx, uint32_t opc, int rs1, { TCGv t0; - if (!(ctx->flags & TB_FLAGS_FP_ENABLE)) { + if (ctx->mstatus_fs == 0) { gen_exception_illegal(ctx); return; } @@ -945,7 +945,7 @@ static void gen_fp_arith(DisasContext *ctx, uint32_t opc, int rd, { TCGv t0 = NULL; - if (!(ctx->flags & TB_FLAGS_FP_ENABLE)) { + if (ctx->mstatus_fs == 0) { goto do_illegal; } @@ -1810,8 +1810,8 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) DisasContext *ctx = container_of(dcbase, DisasContext, base); ctx->pc_succ_insn = ctx->base.pc_first; - ctx->flags = ctx->base.tb->flags; ctx->mem_idx = ctx->base.tb->flags & TB_FLAGS_MMU_MASK; + ctx->mstatus_fs = ctx->base.tb->flags & TB_FLAGS_MSTATUS_FS; ctx->frm = -1; /* unknown rounding mode */ } -- 2.7.0