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[PATCH v8 39/68] target/nios2: Implement CR_STATUS.RSIE
From: |
Richard Henderson |
Subject: |
[PATCH v8 39/68] target/nios2: Implement CR_STATUS.RSIE |
Date: |
Fri, 22 Apr 2022 09:52:09 -0700 |
Without EIC, this bit is RES1. So set the bit at reset,
and add it to the readonly fields of CR_STATUS.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-40-richard.henderson@linaro.org>
---
target/nios2/cpu.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/target/nios2/cpu.c b/target/nios2/cpu.c
index a0c3e97d72..7d734280d1 100644
--- a/target/nios2/cpu.c
+++ b/target/nios2/cpu.c
@@ -54,9 +54,9 @@ static void nios2_cpu_reset(DeviceState *dev)
#if defined(CONFIG_USER_ONLY)
/* Start in user mode with interrupts enabled. */
- env->ctrl[CR_STATUS] = CR_STATUS_U | CR_STATUS_PIE;
+ env->ctrl[CR_STATUS] = CR_STATUS_RSIE | CR_STATUS_U | CR_STATUS_PIE;
#else
- env->ctrl[CR_STATUS] = 0;
+ env->ctrl[CR_STATUS] = CR_STATUS_RSIE;
#endif
}
@@ -127,6 +127,7 @@ static void realize_cr_status(CPUState *cs)
WR_REG(CR_BADADDR);
/* TODO: These control registers are not present with the EIC. */
+ RO_FIELD(CR_STATUS, RSIE);
WR_REG(CR_IENABLE);
RO_REG(CR_IPENDING);
--
2.34.1
- [PATCH v8 29/68] target/nios2: Use hw/registerfields.h for CR_TLBMISC fields, (continued)
- [PATCH v8 29/68] target/nios2: Use hw/registerfields.h for CR_TLBMISC fields, Richard Henderson, 2022/04/22
- [PATCH v8 30/68] target/nios2: Move R_FOO and CR_BAR into enumerations, Richard Henderson, 2022/04/22
- [PATCH v8 31/68] target/nios2: Create EXCP_SEMIHOST for semi-hosting, Richard Henderson, 2022/04/22
- [PATCH v8 32/68] target/nios2: Clean up nios2_cpu_do_interrupt, Richard Henderson, 2022/04/22
- [PATCH v8 33/68] target/nios2: Hoist CPU_LOG_INT logging, Richard Henderson, 2022/04/22
- [PATCH v8 34/68] target/nios2: Handle EXCP_UNALIGN and EXCP_UNALIGND, Richard Henderson, 2022/04/22
- [PATCH v8 35/68] target/nios2: Cleanup set of CR_EXCEPTION for do_interrupt, Richard Henderson, 2022/04/22
- [PATCH v8 36/68] target/nios2: Clean up handling of tlbmisc in do_exception, Richard Henderson, 2022/04/22
- [PATCH v8 38/68] target/nios2: Implement cpuid, Richard Henderson, 2022/04/22
- [PATCH v8 37/68] target/nios2: Prevent writes to read-only or reserved control fields, Richard Henderson, 2022/04/22
- [PATCH v8 39/68] target/nios2: Implement CR_STATUS.RSIE,
Richard Henderson <=
- [PATCH v8 40/68] target/nios2: Remove CPU_INTERRUPT_NMI, Richard Henderson, 2022/04/22
- [PATCH v8 41/68] target/nios2: Support division error exception, Richard Henderson, 2022/04/22
- [PATCH v8 42/68] target/nios2: Use tcg_constant_tl, Richard Henderson, 2022/04/22
- [PATCH v8 43/68] target/nios2: Split out named structs for [IRJ]_TYPE, Richard Henderson, 2022/04/22
- [PATCH v8 44/68] target/nios2: Split out helpers for gen_i_cmpxx, Richard Henderson, 2022/04/22
- [PATCH v8 45/68] target/nios2: Split out helpers for gen_i_math_logic, Richard Henderson, 2022/04/22
- [PATCH v8 46/68] target/nios2: Split out helpers for gen_r_math_logic, Richard Henderson, 2022/04/22