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unicorn/qemu/target/arm
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Peter Maydell 075bac4d57
target/arm: Get IL bit correct for v7 syndrome values 
For the v7 version of the Arm architecture, the IL bit in
syndrome register values where the field is not valid was
defined to be UNK/SBZP. In v8 this is RES1, which is what
QEMU currently implements. Handle the desired v7 behaviour
by squashing the IL bit for the affected cases:
* EC == EC_UNCATEGORIZED
* prefetch aborts
* data aborts where ISV is 0

(The fourth case listed in the v8 Arm ARM DDI 0487C.a in
section G7.2.70, "illegal state exception", can't happen
on a v7 CPU.)

This deals with a corner case noted in a comment.

Backports commit 2ed08180db096ea5e44573529b85e09b1ed10b08 from qemu
2018-11-10 09:29:13 -05:00
..
arm-powerctl.c target-arm: powerctl: Enable HVC when starting CPUs to EL2 2018-10-23 12:53:40 -04:00
arm-powerctl.h ARM: Factor out ARM on/off PSCI control functions 2018-03-01 23:31:47 -05:00
arm_ldst.h Fix Thumb-1 BE32 execution and disassembly. 2018-03-02 00:20:11 -05:00
cpu-qom.h target/arm: Add "-cpu max" support 2018-03-12 10:11:49 -04:00
cpu.c target/arm: Convert jazelle from feature bit to isar1 test 2018-11-10 08:24:11 -05:00
cpu.h target/arm: Convert v8.2-fp16 from feature bit to aa64pfr0 test 2018-11-10 08:34:32 -05:00
cpu64.c target/arm: Convert v8.2-fp16 from feature bit to aa64pfr0 test 2018-11-10 08:34:32 -05:00
crypto_helper.c target/arm/cpu and crypto_helper: Correct bad merge and adjust to qemu code style 2018-03-12 11:57:24 -04:00
helper-a64.c target/arm: Check HAVE_CMPXCHG128 at translate time 2018-10-23 15:29:46 -04:00
helper-a64.h target/arm: Implement FCMP for fp16 2018-05-15 22:24:39 -04:00
helper-sve.h target/arm: Rewrite vector gather first-fault loads 2018-10-08 14:15:15 -04:00
helper.c target/arm: Get IL bit correct for v7 syndrome values 2018-11-10 09:29:13 -05:00
helper.h target/arm: Add v8M stack checks on ADD/SUB/MOV of SP 2018-10-08 14:15:15 -04:00
internals.h target/arm: Get IL bit correct for v7 syndrome values 2018-11-10 09:29:13 -05:00
iwmmxt_helper.c target/arm: Untabify iwmmxt_helper.c 2018-08-25 04:33:44 -04:00
kvm-consts.h arm: better stub version for MISMATCH_CHECK 2018-03-02 00:13:45 -05:00
Makefile.objs target/arm: Implement SVE predicate test 2018-05-20 01:16:16 -04:00
neon_helper.c target/*/cpu.h: remove softfloat.h 2018-03-08 09:58:47 -05:00
op_addsub.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
op_helper.c target/arm: New utility function to extract EC from syndrome 2018-11-10 09:28:23 -05:00
psci.c fix WFI/WFE length in syndrome register 2018-03-05 11:21:51 -05:00
sve.decode target/arm: Implement SVE dot product (indexed) 2018-07-03 04:42:41 -04:00
sve_helper.c sve_helper: Use the QEMU_FLATTEN macro instead of the compiler attribute directly 2018-10-23 13:05:02 -04:00
translate-a64.c target/arm: Convert v8.2-fp16 from feature bit to aa64pfr0 test 2018-11-10 08:34:32 -05:00
translate-a64.h arm: Take DisasContext as a parameter instead of TCGContext where applicable 2018-10-06 04:17:12 -04:00
translate-sve.c target/arm: Pass TCGMemOpIdx to sve memory helpers 2018-10-08 14:15:15 -04:00
translate.c target/arm: Improve debug logging of AArch32 exception return 2018-11-10 09:09:52 -05:00
translate.h target/arm: Convert v8 extensions from feature bits to isar tests 2018-11-10 08:17:57 -05:00
unicorn.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
unicorn_aarch64.c unicorn_aarch64: Use aa64_vfp_qreg instead of aa32_vfp_dreg 2018-09-03 07:47:40 +01:00
unicorn_arm.c unicorn_arm: Allow for read/write of UC_ARM_REG_FPSCR 2018-09-03 21:03:55 +01:00
vec_helper.c target/arm: Implement SVE dot product (indexed) 2018-07-03 04:42:41 -04:00