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[PATCH v8 34/68] target/nios2: Handle EXCP_UNALIGN and EXCP_UNALIGND
From: |
Richard Henderson |
Subject: |
[PATCH v8 34/68] target/nios2: Handle EXCP_UNALIGN and EXCP_UNALIGND |
Date: |
Fri, 22 Apr 2022 09:52:04 -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
- [PATCH v8 22/68] target/nios2: Split control registers away from general registers, (continued)
- [PATCH v8 22/68] target/nios2: Split control registers away from general registers, Richard Henderson, 2022/04/22
- [PATCH v8 25/68] target/nios2: Use hw/registerfields.h for CR_EXCEPTION fields, Richard Henderson, 2022/04/22
- [PATCH v8 26/68] target/nios2: Use hw/registerfields.h for CR_TLBADDR fields, Richard Henderson, 2022/04/22
- [PATCH v8 27/68] target/nios2: Use hw/registerfields.h for CR_TLBACC fields, Richard Henderson, 2022/04/22
- [PATCH v8 28/68] target/nios2: Rename CR_TLBMISC_WR to CR_TLBMISC_WE, Richard Henderson, 2022/04/22
- [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 <=
- [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, 2022/04/22
- [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