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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: alistair23@gmail.com, qemu-riscv@nongnu.org,
	Alistair Francis <alistair.francis@wdc.com>,
	Weiwei Li <liweiwei@iscas.ac.cn>,
	Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Subject: [PATCH v7 11/25] target/riscv: Rename MMU_HYP_ACCESS_BIT to MMU_2STAGE_BIT
Date: Wed, 12 Apr 2023 13:43:19 +0200	[thread overview]
Message-ID: <20230412114333.118895-12-richard.henderson@linaro.org> (raw)
In-Reply-To: <20230412114333.118895-1-richard.henderson@linaro.org>

We will enable more uses of this bit in the future.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Tested-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230325105429.1142530-12-richard.henderson@linaro.org>
---
 target/riscv/internals.h  | 6 ++++--
 target/riscv/cpu_helper.c | 2 +-
 target/riscv/op_helper.c  | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/target/riscv/internals.h b/target/riscv/internals.h
index b55152a7dc..7b63c0f1b6 100644
--- a/target/riscv/internals.h
+++ b/target/riscv/internals.h
@@ -27,13 +27,15 @@
  *  - S                 0b001
  *  - S+SUM             0b010
  *  - M                 0b011
- *  - HLV/HLVX/HSV adds 0b100
+ *  - U+2STAGE          0b100
+ *  - S+2STAGE          0b101
+ *  - S+SUM+2STAGE      0b110
  */
 #define MMUIdx_U            0
 #define MMUIdx_S            1
 #define MMUIdx_S_SUM        2
 #define MMUIdx_M            3
-#define MMU_HYP_ACCESS_BIT  (1 << 2)
+#define MMU_2STAGE_BIT      (1 << 2)
 
 /* share data between vector helpers and decode code */
 FIELD(VDATA, VM, 0, 1)
diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index abf275d2c6..291a1acbf7 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -593,7 +593,7 @@ void riscv_cpu_set_virt_enabled(CPURISCVState *env, bool enable)
 
 bool riscv_cpu_two_stage_lookup(int mmu_idx)
 {
-    return mmu_idx & MMU_HYP_ACCESS_BIT;
+    return mmu_idx & MMU_2STAGE_BIT;
 }
 
 int riscv_cpu_claim_interrupts(RISCVCPU *cpu, uint64_t interrupts)
diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c
index 663382785e..a5de3daee7 100644
--- a/target/riscv/op_helper.c
+++ b/target/riscv/op_helper.c
@@ -437,7 +437,7 @@ static int check_access_hlsv(CPURISCVState *env, bool x, uintptr_t ra)
         riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, ra);
     }
 
-    return cpu_mmu_index(env, x) | MMU_HYP_ACCESS_BIT;
+    return cpu_mmu_index(env, x) | MMU_2STAGE_BIT;
 }
 
 target_ulong helper_hyp_hlv_bu(CPURISCVState *env, target_ulong addr)
-- 
2.34.1



  parent reply	other threads:[~2023-04-12 11:46 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-12 11:43 [PATCH v7 00/25] target/riscv: MSTATUS_SUM + cleanups Richard Henderson
2023-04-12 11:43 ` [PATCH v7 01/25] target/riscv: Extract virt enabled state from tb flags Richard Henderson
2023-04-12 11:43 ` [PATCH v7 02/25] target/riscv: Add a general status enum for extensions Richard Henderson
2023-04-12 11:43 ` [PATCH v7 03/25] target/riscv: Encode the FS and VS on a normal way for tb flags Richard Henderson
2023-04-12 11:43 ` [PATCH v7 04/25] target/riscv: Remove mstatus_hs_{fs, vs} from tb_flags Richard Henderson
2023-04-12 11:43 ` [PATCH v7 05/25] target/riscv: Add a tb flags field for vstart Richard Henderson
2023-04-12 11:43 ` [PATCH v7 06/25] target/riscv: Separate priv from mmu_idx Richard Henderson
2023-04-12 11:43 ` [PATCH v7 07/25] target/riscv: Reduce overhead of MSTATUS_SUM change Richard Henderson
2023-04-12 11:43 ` [PATCH v7 08/25] accel/tcg: Add cpu_ld*_code_mmu Richard Henderson
2023-04-12 11:43 ` [PATCH v7 09/25] target/riscv: Use cpu_ld*_code_mmu for HLVX Richard Henderson
2023-04-12 11:43 ` [PATCH v7 10/25] target/riscv: Handle HLV, HSV via helpers Richard Henderson
2023-04-12 11:43 ` Richard Henderson [this message]
2023-04-12 11:43 ` [PATCH v7 12/25] target/riscv: Introduce mmuidx_sum Richard Henderson
2023-04-12 11:43 ` [PATCH v7 13/25] target/riscv: Introduce mmuidx_priv Richard Henderson
2023-04-12 11:43 ` [PATCH v7 14/25] target/riscv: Introduce mmuidx_2stage Richard Henderson
2023-04-12 11:43 ` [PATCH v7 15/25] target/riscv: Move hstatus.spvp check to check_access_hlsv Richard Henderson
2023-04-12 11:43 ` [PATCH v7 16/25] target/riscv: Set MMU_2STAGE_BIT in riscv_cpu_mmu_index Richard Henderson
2023-04-12 11:43 ` [PATCH v7 17/25] target/riscv: Check SUM in the correct register Richard Henderson
2023-04-12 11:43 ` [PATCH v7 18/25] target/riscv: Hoist second stage mode change to callers Richard Henderson
2023-04-12 11:43 ` [PATCH v7 19/25] target/riscv: Hoist pbmte and hade out of the level loop Richard Henderson
2023-04-12 11:43 ` [PATCH v7 20/25] target/riscv: Move leaf pte processing out of " Richard Henderson
2023-04-12 11:43 ` [PATCH v7 21/25] target/riscv: Suppress pte update with is_debug Richard Henderson
2023-04-12 11:43 ` [PATCH v7 22/25] target/riscv: Don't modify SUM " Richard Henderson
2023-04-12 11:43 ` [PATCH v7 23/25] target/riscv: Merge checks for reserved pte flags Richard Henderson
2023-04-12 11:43 ` [PATCH v7 24/25] target/riscv: Reorg access check in get_physical_address Richard Henderson
2023-04-12 11:43 ` [PATCH v7 25/25] target/riscv: Reorg sum " Richard Henderson
2023-04-17  2:11 ` [PATCH v7 00/25] target/riscv: MSTATUS_SUM + cleanups Alistair Francis

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