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[Qemu-devel] [PULL 14/22] armv7m: set CFSR.UNDEFINSTR on undefined instr
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 14/22] armv7m: set CFSR.UNDEFINSTR on undefined instructions |
Date: |
Fri, 27 Jan 2017 15:32:09 +0000 |
From: Michael Davidsaver <address@hidden>
When we take an exception for an undefined instruction, set the
appropriate CFSR bit.
Signed-off-by: Michael Davidsaver <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
Message-id: address@hidden
[PMM: tweaked commit message, comment]
Signed-off-by: Peter Maydell <address@hidden>
---
target/arm/helper.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 7dc30f5..e6b1c36 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6072,6 +6072,7 @@ void arm_v7m_cpu_do_interrupt(CPUState *cs)
switch (cs->exception_index) {
case EXCP_UDEF:
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_USAGE);
+ env->v7m.cfsr |= R_V7M_CFSR_UNDEFINSTR_MASK;
return;
case EXCP_SWI:
/* The PC already points to the next instruction. */
--
2.7.4
- [Qemu-devel] [PULL 00/22] target-arm queue, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 21/22] arm_gicv3: Fix broken logic in ELRSR calculation, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 20/22] hw/char/exynos4210_uart: Drop unused local variable frame_size, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 22/22] dma: omap: check dma channel data_type, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 18/22] armv7m: R14 should reset to 0xffffffff, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 19/22] arm: stellaris: make MII accesses complete immediately, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 17/22] armv7m: FAULTMASK should be 0 on reset, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 14/22] armv7m: set CFSR.UNDEFINSTR on undefined instructions,
Peter Maydell <=
- [Qemu-devel] [PULL 13/22] armv7m: honour CCR.STACKALIGN on exception entry, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 09/22] target/arm: Drop IS_M() macro, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 16/22] armv7m: Honour CCR.USERSETMPEND, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 05/22] hw/registerfields.h: Pull FIELD etc macros out of hw/register.h, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 07/22] armv7m: Clear FAULTMASK on return from non-NMI exceptions, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 01/22] aspeed/smc: handle dummy bytes when doing fast reads in command mode, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 02/22] armv7m: MRS/MSR: handle unprivileged access, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 12/22] armv7m: implement CCR, CFSR, HFSR, DFSR, BFAR, and MMFAR, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 06/22] armv7m: Fix reads of CONTROL register bit 1, Peter Maydell, 2017/01/27
- [Qemu-devel] [PULL 04/22] armv7m: Explicit error for bad vector table, Peter Maydell, 2017/01/27