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qemu/hw/intc
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Peter Maydell eb578a2394 nvic: Implement "user accesses BusFault" SCS region behaviour 
The ARMv7M architecture specifies that most of the addresses in the
PPB region (which includes the NVIC, systick and system registers)
are not accessible to unprivileged accesses, which should
BusFault with a few exceptions:
 * the STIR is configurably user-accessible
 * the ITM (which we don't implement at all) is always
   user-accessible

Implement this by switching the register access functions
to the _with_attrs scheme that lets us distinguish user
mode accesses.

This allows us to pull the handling of the CCR.USERSETMPEND
flag up to the level where we can make it generate a BusFault
as it should for non-permitted accesses.

Note that until the core ARM CPU code implements turning
MEMTX_ERROR into a BusFault the registers will continue to
act as RAZ/WI to user accesses.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 1501692241-23310-16-git-send-email-peter.maydell@linaro.org
2017-09-04 15:21:53 +01:00
..
allwinner-a10-pic.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
apic_common.c apic-common: make "id" property a uint32 2017-06-20 14:31:32 +02:00
apic.c apic: add send_msi() to APICCommonClass 2016-10-17 15:44:49 -02:00
arm_gic_common.c arm: gic: Remove references to NVIC 2017-02-28 12:08:17 +00:00
arm_gic_kvm.c kvm-all: Pass an error object to kvm_device_access 2017-06-13 14:57:00 +01:00
arm_gic.c ARM: KVM: Enable in-kernel timers with user space gic 2017-07-11 11:21:26 +01:00
arm_gicv2m.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
arm_gicv3_common.c arm: use get_uint() for "mp-affinity" property 2017-06-20 14:31:33 +02:00
arm_gicv3_cpuif.c arm_gicv3: Fix ICC_BPR1 reset value when EL3 not implemented 2017-06-07 17:21:44 +01:00
arm_gicv3_dist.c hw/intc/arm_gicv3: Fix compilation with simple trace backend 2016-06-20 11:35:15 +01:00
arm_gicv3_its_common.c hw/intc/arm_gicv3_its: Allow save/restore 2017-06-13 14:57:01 +01:00
arm_gicv3_its_kvm.c hw/intc/arm_gicv3_its: Allow save/restore 2017-06-13 14:57:01 +01:00
arm_gicv3_kvm.c hw/intc/arm_gicv3_kvm: Implement pending table save 2017-06-13 14:57:00 +01:00
arm_gicv3_redist.c arm_gicv3: Add assert()s to tell Coverity that offsets are aligned 2016-07-19 17:56:27 +01:00
arm_gicv3.c hw/intc/arm_gicv3: Don't signal Pending+Active interrupts to CPU 2016-12-27 14:59:25 +00:00
armv7m_nvic.c nvic: Implement "user accesses BusFault" SCS region behaviour 2017-09-04 15:21:53 +01:00
aspeed_vic.c hw: Clean up includes 2016-06-07 18:19:23 +03:00
bcm2835_ic.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
bcm2836_control.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
etraxfs_pic.c qdev: Replace cannot_instantiate_with_device_add_yet with !user_creatable 2017-05-17 10:37:00 -03:00
exynos4210_combiner.c hw/intc: QOM'ify exynos4210_combiner.c 2016-05-12 13:22:24 +01:00
exynos4210_gic.c hw/intc/exynos4210_gic: Constify array of combiner interrupts 2017-06-13 14:56:58 +01:00
gic_internal.h arm: gic: Remove references to NVIC 2017-02-28 12:08:17 +00:00
gicv3_internal.h target-arm: Add GICv3CPUState in CPUARMState struct 2017-02-28 17:10:00 +00:00
grlib_irqmp.c qdev: Replace cannot_instantiate_with_device_add_yet with !user_creatable 2017-05-17 10:37:00 -03:00
heathrow_pic.c hw/intc: Clean up includes 2016-01-29 15:07:24 +00:00
i8259_common.c qdev: Replace cannot_instantiate_with_device_add_yet with !user_creatable 2017-05-17 10:37:00 -03:00
i8259.c intc: make HMP 'info irq' and 'info pic' commands use InterruptStatsProvider interface 2016-10-04 10:00:25 +02:00
imx_avic.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
intc.c intc: add an interface to gather statistics/informations on interrupt controllers 2016-10-04 10:00:25 +02:00
ioapic_common.c x86: ioapic: dump version for "info ioapic" 2017-01-16 17:52:35 +01:00
ioapic.c ioapic: Remove user_creatable flag 2017-05-17 10:37:01 -03:00
lm32_pic.c intc: make HMP 'info irq' and 'info pic' commands use InterruptStatsProvider interface 2016-10-04 10:00:25 +02:00
Makefile.objs ppc/pnv: add a PnvICPState object 2017-04-26 12:00:42 +10:00
mips_gic.c hw/mips_gic: Update pin state on mask changes 2017-02-21 22:24:58 +00:00
nios2_iic.c qdev: Replace cannot_instantiate_with_device_add_yet with !user_creatable 2017-05-17 10:37:00 -03:00
omap_intc.c qdev: Replace cannot_instantiate_with_device_add_yet with !user_creatable 2017-05-17 10:37:00 -03:00
openpic_kvm.c qemu-common: push cpu.h inclusion out of qemu-common.h 2016-05-19 16:42:29 +02:00
openpic.c target-ppc: Enable open-pic timers to count and generate interrupts 2017-06-30 14:03:32 +10:00
pl190.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
puv3_intc.c unicore: Clean up includes 2016-01-29 15:07:22 +00:00
realview_gic.c include/qemu/osdep.h: Don't include qapi/error.h 2016-03-22 22:20:15 +01:00
s390_flic_kvm.c s390x/kvm: move KVM declarations and stubs to separate files 2017-08-30 18:23:26 +02:00
s390_flic.c s390x/flic: migrate ais states 2017-07-14 12:29:49 +02:00
sh_intc.c hw: explicitly include qemu-common.h and cpu.h 2016-03-22 22:20:17 +01:00
slavio_intctl.c intc: make HMP 'info irq' and 'info pic' commands use InterruptStatsProvider interface 2016-10-04 10:00:25 +02:00
trace-events trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
vgic_common.h intc/gic: Extract some reusable vGIC code 2015-09-24 01:29:36 +01:00
xics_kvm.c xics: drop ICPStateClass::cpu_setup() handler 2017-06-09 12:17:59 +10:00
xics_pnv.c xics: pass appropriate types to realize() handlers. 2017-06-09 12:12:34 +10:00
xics_spapr.c ppc/xics: simplify prototype of xics_spapr_init() 2017-05-24 11:39:52 +10:00
xics.c xics: directly register ICPState objects to vmstate 2017-06-30 14:03:31 +10:00
xilinx_intc.c hw/intc: Clean up includes 2016-01-29 15:07:24 +00:00