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[PULL 34/68] target/nios2: Handle EXCP_UNALIGN and EXCP_UNALIGND
From: |
Richard Henderson |
Subject: |
[PULL 34/68] target/nios2: Handle EXCP_UNALIGN and EXCP_UNALIGND |
Date: |
Tue, 26 Apr 2022 11:18:33 -0700 |
While some of the plumbing for misaligned data is present, in the form
of nios2_cpu_do_unaligned_access, the hook will not be called because
TARGET_ALIGNED_ONLY is not set in configs/targets/nios2-softmmu.mak.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220421151735.31996-35-richard.henderson@linaro.org>
---
target/nios2/helper.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/target/nios2/helper.c b/target/nios2/helper.c
index c57ffd64e0..25a89724d0 100644
--- a/target/nios2/helper.c
+++ b/target/nios2/helper.c
@@ -99,6 +99,12 @@ void nios2_cpu_do_interrupt(CPUState *cs)
case EXCP_ILLEGAL:
name = "ILLEGAL insn";
break;
+ case EXCP_UNALIGN:
+ name = "Misaligned (data)";
+ break;
+ case EXCP_UNALIGND:
+ name = "Misaligned (destination)";
+ break;
case EXCP_TRAP:
name = "TRAP insn";
break;
@@ -147,6 +153,8 @@ void nios2_cpu_do_interrupt(CPUState *cs)
case EXCP_SUPERD:
case EXCP_ILLEGAL:
case EXCP_TRAP:
+ case EXCP_UNALIGN:
+ case EXCP_UNALIGND:
do_exception(cpu, cpu->exception_addr, false);
break;
--
2.34.1
- [PULL 32/68] target/nios2: Clean up nios2_cpu_do_interrupt, (continued)
- [PULL 32/68] target/nios2: Clean up nios2_cpu_do_interrupt, Richard Henderson, 2022/04/26
- [PULL 37/68] target/nios2: Prevent writes to read-only or reserved control fields, Richard Henderson, 2022/04/26
- [PULL 39/68] target/nios2: Implement CR_STATUS.RSIE, Richard Henderson, 2022/04/26
- [PULL 09/68] target/nios2: Remove user-only nios2_cpu_do_interrupt, Richard Henderson, 2022/04/26
- [PULL 15/68] target/nios2: Add NUM_GP_REGS and NUM_CP_REGS, Richard Henderson, 2022/04/26
- [PULL 19/68] target/nios2: Do not create TCGv for control registers, Richard Henderson, 2022/04/26
- [PULL 24/68] target/nios2: Use hw/registerfields.h for CR_STATUS fields, Richard Henderson, 2022/04/26
- [PULL 27/68] target/nios2: Use hw/registerfields.h for CR_TLBACC fields, Richard Henderson, 2022/04/26
- [PULL 30/68] target/nios2: Move R_FOO and CR_BAR into enumerations, Richard Henderson, 2022/04/26
- [PULL 33/68] target/nios2: Hoist CPU_LOG_INT logging, Richard Henderson, 2022/04/26
- [PULL 34/68] target/nios2: Handle EXCP_UNALIGN and EXCP_UNALIGND,
Richard Henderson <=
- [PULL 35/68] target/nios2: Cleanup set of CR_EXCEPTION for do_interrupt, Richard Henderson, 2022/04/26
- [PULL 31/68] target/nios2: Create EXCP_SEMIHOST for semi-hosting, Richard Henderson, 2022/04/26
- [PULL 36/68] target/nios2: Clean up handling of tlbmisc in do_exception, Richard Henderson, 2022/04/26
- [PULL 40/68] target/nios2: Remove CPU_INTERRUPT_NMI, Richard Henderson, 2022/04/26
- [PULL 43/68] target/nios2: Split out named structs for [IRJ]_TYPE, Richard Henderson, 2022/04/26
- [PULL 46/68] target/nios2: Split out helpers for gen_r_math_logic, Richard Henderson, 2022/04/26
- [PULL 44/68] target/nios2: Split out helpers for gen_i_cmpxx, Richard Henderson, 2022/04/26
- [PULL 49/68] target/nios2: Introduce dest_gpr, Richard Henderson, 2022/04/26
- [PULL 51/68] target/nios2: Enable unaligned traps for system mode, Richard Henderson, 2022/04/26
- [PULL 56/68] target/nios2: Implement Misaligned destination exception, Richard Henderson, 2022/04/26