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unicorn/qemu/target/arm
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Peter Maydell 72e5ae480d
target/arm: Add lazy-FP-stacking support to v7m_stack_write() 
Pushing registers to the stack for v7M needs to handle three cases:
* the "normal" case where we pend exceptions
* an "ignore faults" case where we set FSR bits but
do not pend exceptions (this is used when we are
handling some kinds of derived exception on exception entry)
* a "lazy FP stacking" case, where different FSR bits
are set and the exception is pended differently

Implement this by changing the existing flag argument that
tells us whether to ignore faults or not into an enum that
specifies which of the 3 modes we should handle.

Backports commit a356dacf647506bccdf8ecd23574246a8bf615ac from qemu
2019-04-30 10:59:53 -04:00
..
arm-powerctl.c arm: Clarify the logic of set_pc() 2019-02-03 17:55:30 -05:00
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: Overlap VECSTRIDE and XSCALE_CPAR TB flags 2019-04-30 10:45:14 -04:00
cpu.h target/arm: New function armv7m_nvic_set_pending_lazyfp() 2019-04-30 10:56:54 -04:00
cpu64.c target/arm/translate: Synchronize with Qemu 2019-04-27 10:13:01 -04:00
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: Handle AArch32 CRC instructions 2019-04-27 10:50:25 -04:00
helper-a64.h target/arm: Split helper_msr_i_pstate into 3 2019-03-05 22:45:11 -05:00
helper-sve.h target/arm: Rewrite vector gather first-fault loads 2018-10-08 14:15:15 -04:00
helper.c target/arm: Add lazy-FP-stacking support to v7m_stack_write() 2019-04-30 10:59:53 -04:00
helper.h target/arm: Implement ARMv8.5-FRINT 2019-03-05 23:17:33 -05:00
internals.h target/arm: Split helper_msr_i_pstate into 3 2019-03-05 22:45:11 -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: Split out vfp_helper.c 2019-02-22 18:48:44 -05:00
neon_helper.c target/arm: Split out FPSCR.QC to a vector field 2019-02-15 18:04:13 -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: Add set/clear_pstate_bits, share gen_ss_advance 2019-03-05 22:55:22 -05:00
pauth_helper.c target/arm: Implement pauth_computepac 2019-01-22 16:35:07 -05:00
psci.c fix WFI/WFE length in syndrome register 2018-03-05 11:21:51 -05:00
sve.decode target/arm: Sychronize with qemu 2019-04-18 04:49:11 -04:00
sve_helper.c target/arm: Sychronize with qemu 2019-04-18 04:49:11 -04:00
translate-a64.c exec: Backport tb_cflags accessor 2019-04-22 06:12:59 -04:00
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: Check access permission to ADDVL/ADDPL/RDVL 2019-03-19 05:42:59 -04:00
translate.c target/arm: Activate M-profile floating point context when FPCCR.ASPEN is set 2019-04-30 10:51:31 -04:00
translate.h target/arm: Activate M-profile floating point context when FPCCR.ASPEN is set 2019-04-30 10:51:31 -04:00
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: Treat registers as unsigned values in casts 2019-04-26 08:48:31 -04:00
vec_helper.c target/arm: Add helpers for FMLAL 2019-02-28 15:31:48 -05:00
vfp_helper.c target/arm: Make sure M-profile FPSCR RES0 bits are not settable 2019-04-30 10:12:17 -04:00