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[PATCH v5 28/48] target/nios2: Implement CR_STATUS.RSIE
From: |
Richard Henderson |
Subject: |
[PATCH v5 28/48] target/nios2: Implement CR_STATUS.RSIE |
Date: |
Thu, 10 Mar 2022 03:27:05 -0800 |
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>
---
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 d491360973..64dc916ed2 100644
--- a/target/nios2/cpu.c
+++ b/target/nios2/cpu.c
@@ -56,9 +56,9 @@ static void nios2_cpu_reset(DeviceState *dev)
memset(env->ctrl, 0, sizeof(env->ctrl));
#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
env->regs[R_ZERO] = 0;
@@ -109,6 +109,7 @@ static void nios2_cpu_initfn(Object *obj)
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);
--
2.25.1
- [PATCH v5 21/48] target/nios2: Clean up nios2_cpu_do_interrupt, (continued)
- [PATCH v5 21/48] target/nios2: Clean up nios2_cpu_do_interrupt, Richard Henderson, 2022/03/10
- [PATCH v5 18/48] target/nios2: Use hw/registerfields.h for CR_TLBMISC fields, Richard Henderson, 2022/03/10
- [PATCH v5 23/48] target/nios2: Handle EXCP_UNALIGN and EXCP_UALIGND, Richard Henderson, 2022/03/10
- [PATCH v5 22/48] target/nios2: Hoist CPU_LOG_INT logging, Richard Henderson, 2022/03/10
- [PATCH v5 25/48] target/nios2: Clean up handling of tlbmisc in do_exception, Richard Henderson, 2022/03/10
- [PATCH v5 24/48] target/nios2: Cleanup set of CR_EXCEPTION for do_interrupt, Richard Henderson, 2022/03/10
- [PATCH v5 26/48] target/nios2: Prevent writes to read-only or reserved control fields, Richard Henderson, 2022/03/10
- [PATCH v5 27/48] target/nios2: Implement cpuid, Richard Henderson, 2022/03/10
- [PATCH v5 29/48] target/nios2: Remove CPU_INTERRUPT_NMI, Richard Henderson, 2022/03/10
- [PATCH v5 30/48] target/nios2: Support division error exception, Richard Henderson, 2022/03/10
- [PATCH v5 28/48] target/nios2: Implement CR_STATUS.RSIE,
Richard Henderson <=
- [PATCH v5 33/48] target/nios2: Drop CR_STATUS_EH from tb->flags, Richard Henderson, 2022/03/10
- [PATCH v5 32/48] target/nios2: Introduce dest_gpr, Richard Henderson, 2022/03/10
- [PATCH v5 34/48] target/nios2: Enable unaligned traps for system mode, Richard Henderson, 2022/03/10
- [PATCH v5 38/48] target/nios2: Use tcg_gen_lookup_and_goto_ptr, Richard Henderson, 2022/03/10
- [PATCH v5 31/48] target/nios2: Use tcg_constant_tl, Richard Henderson, 2022/03/10
- [PATCH v5 35/48] target/nios2: Create gen_jumpr, Richard Henderson, 2022/03/10
- [PATCH v5 37/48] target/nios2: Use gen_goto_tb for DISAS_TOO_MANY, Richard Henderson, 2022/03/10
- [PATCH v5 36/48] target/nios2: Hoist set of is_jmp into gen_goto_tb, Richard Henderson, 2022/03/10
- [PATCH v5 39/48] target/nios2: Implement Misaligned destination exception, Richard Henderson, 2022/03/10
- [PATCH v5 41/48] target/nios2: Introduce shadow register sets, Richard Henderson, 2022/03/10