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[Qemu-devel] [PATCH v1 11/30] RISC-V: Split out mstatus_fs from tb_flags
From: |
Michael Clark |
Subject: |
[Qemu-devel] [PATCH v1 11/30] RISC-V: Split out mstatus_fs from tb_flags |
Date: |
Wed, 23 May 2018 12:14:58 +1200 |
From: Richard Henderson <address@hidden>
Cc: Sagar Karandikar <address@hidden>
Cc: Bastian Koppelmann <address@hidden>
Cc: Palmer Dabbelt <address@hidden>
Cc: Alistair Francis <address@hidden>
Cc: Richard Henderson <address@hidden>
Signed-off-by: Michael Clark <address@hidden>
Reviewed-by: Michael Clark <address@hidden>
---
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
- Re: [Qemu-devel] [PATCH v1 05/30] RISC-V: Allow setting and clearing multiple irqs, (continued)
- [Qemu-devel] [PATCH v1 06/30] RISC-V: Move non-ops from op_helper to cpu_helper, Michael Clark, 2018/05/22
- [Qemu-devel] [PATCH v1 07/30] RISC-V: Update CSR and interrupt definitions, Michael Clark, 2018/05/22
- [Qemu-devel] [PATCH v1 09/30] RISC-V: Implement atomic mip/sip CSR updates, Michael Clark, 2018/05/22
- [Qemu-devel] [PATCH v1 10/30] RISC-V: Implement existential predicates for CSRs, Michael Clark, 2018/05/22
- [Qemu-devel] [PATCH v1 08/30] RISC-V: Implement modular CSR helper interface, Michael Clark, 2018/05/22
- [Qemu-devel] [PATCH v1 11/30] RISC-V: Split out mstatus_fs from tb_flags,
Michael Clark <=
- [Qemu-devel] [PATCH v1 12/30] RISC-V: Mark mstatus.fs dirty, Michael Clark, 2018/05/22
- [Qemu-devel] [PATCH v1 13/30] RISC-V: Implement mstatus.TSR/TW/TVM, Michael Clark, 2018/05/22
- [Qemu-devel] [PATCH v1 14/30] RISC-V: Add public API for the CSR dispatch table, Michael Clark, 2018/05/22
- [Qemu-devel] [PATCH v1 15/30] RISC-V: Add hartid and \n to interrupt logging, Michael Clark, 2018/05/22