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qemu/target-arm
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Peter Maydell 4051e12c5d target-arm: Don't allow AArch32 to access RES0 CPSR bits 
The CPSR has a new-in-v8 execution state bit (IL), and
also some state which has effects in AArch32 but appears
only in the SPSR format (SS) but is RES0 in the CPSR.

Add the IL bit to CPSR_EXEC, and enforce that guest direct
reads and writes to CPSR can't read or write the RES0
bits, so the guest can't get at the SS bit which we store
in uncached_cpsr. This includes not permitting exception
returns to copy reserved bits from an SPSR into CPSR.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-08-19 19:02:03 +01:00
..
arm-semi.c cpu: Move opaque field from CPU_COMMON to CPUState 2014-03-13 19:20:47 +01:00
arm_ldst.h softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
cpu-qom.h target-arm: Adjust debug ID registers per-CPU 2014-08-19 19:02:03 +01:00
cpu.c target-arm: Adjust debug ID registers per-CPU 2014-08-19 19:02:03 +01:00
cpu.h target-arm: Don't allow AArch32 to access RES0 CPSR bits 2014-08-19 19:02:03 +01:00
cpu64.c target-arm: Adjust debug ID registers per-CPU 2014-08-19 19:02:03 +01:00
crypto_helper.c target-arm: Use Common Tables in AES Instructions 2014-06-16 13:24:33 +02:00
gdbstub.c cpu: Introduce CPUClass::gdb_{read,write}_register() 2013-07-27 00:04:17 +02:00
gdbstub64.c target-arm/gdbstub64.c: remove useless 'break' statement. 2014-04-17 21:34:06 +01:00
helper-a64.c target-arm: Make far_el1 an array 2014-08-04 14:41:54 +01:00
helper-a64.h target-arm: A64: Implement CRC instructions 2014-06-09 16:06:12 +01:00
helper.c target-arm: Adjust debug ID registers per-CPU 2014-08-19 19:02:03 +01:00
helper.h target-arm: Delete unused iwmmxt_msadb helper 2014-06-09 16:06:12 +01:00
internals.h target-arm: A64: Break out aarch64_save/restore_sp 2014-08-04 14:41:54 +01:00
iwmmxt_helper.c target-arm: Delete unused iwmmxt_msadb helper 2014-06-09 16:06:12 +01:00
kvm-consts.h target-arm/kvm-consts.h: Define QEMU constants for known KVM CPUs 2014-02-20 10:35:50 +00:00
kvm-stub.c target-arm: Initialize cpreg list from KVM when using KVM 2013-06-25 18:16:10 +01:00
kvm.c target-arm: Common kvm_arm_vcpu_init() for KVM ARM and KVM ARM64 2014-06-19 18:33:02 +01:00
kvm32.c target-arm: Implement vCPU reset via KVM_ARM_VCPU_INIT for 32-bit CPUs 2014-07-08 13:05:11 +01:00
kvm64.c target-arm: A64: Break out aarch64_save/restore_sp 2014-08-04 14:41:54 +01:00
kvm_arm.h target-arm: Common kvm_arm_vcpu_init() for KVM ARM and KVM ARM64 2014-06-19 18:33:02 +01:00
machine.c target-arm: Add SPSR entries for EL2/HYP and EL3/MON 2014-05-27 17:09:52 +01:00
Makefile.objs target-arm: A64: add stubs for a64 specific helpers 2013-12-17 19:42:32 +00:00
neon_helper.c target-arm: add support for v8 VMULL.P64 instruction 2014-06-09 16:06:11 +01:00
op_addsub.h Correct spelling of licensed 2011-07-23 11:26:12 -05:00
op_helper.c target-arm: Don't allow AArch32 to access RES0 CPSR bits 2014-08-19 19:02:03 +01:00
translate-a64.c target-arm: Fix return address for A64 BRK instructions 2014-08-19 18:56:24 +01:00
translate.c target-arm: Don't allow AArch32 to access RES0 CPSR bits 2014-08-19 19:02:03 +01:00
translate.h target-arm: Use a 1:1 mapping between EL and MMU index 2014-05-27 17:09:51 +01:00