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Peter Maydell 49c80c380d nvic: Handle v8M changes in nvic_exec_prio() 
Update nvic_exec_prio() to support the v8M changes:
 * BASEPRI, FAULTMASK and PRIMASK are all banked
 * AIRCR.PRIS can affect NS priorities
 * AIRCR.BFHFNMINS affects FAULTMASK behaviour

These changes mean that it's no longer possible to
definitely say that if FAULTMASK is set it overrides
PRIMASK, and if PRIMASK is set it overrides BASEPRI
(since if PRIMASK_NS is set and AIRCR.PRIS is set then
whether that 0x80 priority should take effect or the
priority in BASEPRI_S depends on the value of BASEPRI_S,
for instance). So we switch to the same approach used
by the pseudocode of working through BASEPRI, PRIMASK
and FAULTMASK and overriding the previous values if
needed.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 1505240046-11454-16-git-send-email-peter.maydell@linaro.org
 		2017-09-21 16:31:09 +01:00
..
9pfs 9pfs: check the size of transport buffer before marshaling 2017-09-20 08:48:52 +02:00
acpi Convert multi-line fprintf() to warn_report() 2017-09-19 14:09:34 +02:00
adc
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alpha cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
arm Machine/CPU/NUMA queue, 2017-09-19 2017-09-20 17:35:36 +01:00
audio audio: intel-hda: do not use old_mmio accesses 2017-09-18 13:13:32 +02:00
block xen-disk: use g_new0 to fix build 2017-09-20 19:05:26 -07:00
bt bt: stop the sdp memory allocation craziness 2017-08-01 17:27:33 +02:00
char qapi: Mechanically convert FOO_lookup[...] to FOO_str(...) 2017-09-04 13:09:13 +02:00
core numa: cpu: calculate/set default node-ids after all -numa CLI options are parsed 2017-09-19 16:51:33 -03:00
cpu cpu: don't allow negative core id 2017-08-02 18:30:13 -03:00
cris cris: replace cpu_cris_init() with cpu_generic_init() 2017-09-01 11:54:24 -03:00
display virtio-gpu: Handle endian conversion 2017-09-19 18:31:32 +02:00
dma xilinx_axidma: Convert to DEFINE_PROP_LINK 2017-09-07 13:54:51 +01:00
gpio
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i2c ppc4xx_i2c: Move to hw/i2c 2017-09-08 09:30:55 +10:00
i386 Machine/CPU/NUMA queue, 2017-09-19 2017-09-20 17:35:36 +01:00
ide hw/ide: Convert DeviceClass init to realize 2017-09-18 19:43:38 -04:00
input qapi: Mechanically convert FOO_lookup[...] to FOO_str(...) 2017-09-04 13:09:13 +02:00
intc nvic: Handle v8M changes in nvic_exec_prio() 2017-09-21 16:31:09 +01:00
ipack
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ipmi
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isa trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
lm32 cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
m68k cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
mem qmp: introduce query-memory-size-summary command 2017-09-14 15:52:10 +01:00
microblaze
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mips mips: replace cpu_mips_init() with cpu_generic_init() 2017-09-21 13:25:37 +01:00
misc hw/misc/ivshmem: Fix ivshmem_recv_msg() to also work on big endian systems 2017-09-19 18:21:33 +02:00
moxie cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
net net: add Sun HME (Happy Meal Ethernet) on-board NIC 2017-09-21 08:38:42 +01:00
nios2 nios2: replace cpu_nios2_init() with cpu_generic_init() 2017-09-01 11:54:24 -03:00
nvram pc, pci, virtio: patches queued before 2.10 2017-09-08 16:04:42 +01:00
openrisc cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
pci net: Add SunGEM device emulation as found on Apple UniNorth 2017-09-15 10:29:48 +10:00
pci-bridge hw/pci: add QEMU-specific PCI capability to the Generic PCI Express Root Port 2017-09-08 16:15:17 +03:00
pci-host hw/pci-host/gpex: Implement PCI INTx routing 2017-09-14 18:43:19 +01:00
pcmcia
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ppc numa: cpu: calculate/set default node-ids after all -numa CLI options are parsed 2017-09-19 16:51:33 -03:00
s390x virtio-ccw: Create a virtio gpu device for the ccw bus 2017-09-19 18:31:32 +02:00
scsi osdep.h: Prohibit disabling assert() in supported builds 2017-09-19 16:20:49 +02:00
sd trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
sh4 cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
smbios
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sparc cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
sparc64 sun4u: use sunhme as default on-board NIC 2017-09-21 08:38:42 +01:00
ssi xlnx-qspi: add a property for mmio-execution 2017-08-14 14:17:18 +01:00
timer i8254: use QEMU_ALIGN_DOWN 2017-08-31 12:29:07 +02:00
tpm
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tricore cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
unicore32 cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
usb Convert single line fprintf(.../n) to warn_report() 2017-09-19 14:09:34 +02:00
vfio vfio, spapr: Fix levels calculation 2017-09-15 10:29:48 +10:00
virtio osdep.h: Prohibit disabling assert() in supported builds 2017-09-19 16:20:49 +02:00
watchdog watchdog: wdt_aspeed: Add support for the reset width register 2017-09-04 15:21:54 +01:00
xen xen/pt: allow QEMU to request MSI unmasking at bind time 2017-09-20 19:05:27 -07:00
xenpv
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xtensa cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
Makefile.objs 9pfs: fix dependencies 2017-08-30 18:23:25 +02:00