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| author | Peter Maydell <peter.maydell@linaro.org> | 2019-02-05 18:25:07 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-02-05 18:25:07 +0000 |
| commit | 47994e16b1d66411953623e7c0bf0cdcd50bd507 (patch) | |
| tree | ab304a16cd40f9981b29fc3c1e33b975946b2a17 /linux-user/syscall.c | |
| parent | 9669c9756205290a7a357ff1515a4ca30d852b05 (diff) | |
| parent | a15945d98d3a3390c3da344d1b47218e91e49d8b (diff) | |
| download | focaccia-qemu-47994e16b1d66411953623e7c0bf0cdcd50bd507.tar.gz focaccia-qemu-47994e16b1d66411953623e7c0bf0cdcd50bd507.zip | |
Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20190205' into staging
target-arm queue: * Implement Armv8.5-BTI extension for system emulation mode * Implement the PR_PAC_RESET_KEYS prctl() for linux-user mode's Armv8.3-PAuth support * Support TBI (top-byte-ignore) properly for linux-user mode * gdbstub: allow killing QEMU via vKill command * hw/arm/boot: Support DTB autoload for firmware-only boots * target/arm: Make FPSCR/FPCR trapped-exception bits RAZ/WI # gpg: Signature made Tue 05 Feb 2019 17:04:22 GMT # gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE # gpg: issuer "peter.maydell@linaro.org" # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate] # gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate] # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate] # Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE * remotes/pmaydell/tags/pull-target-arm-20190205: (22 commits) target/arm: Make FPSCR/FPCR trapped-exception bits RAZ/WI hw/arm/boot: Support DTB autoload for firmware-only boots hw/arm/boot: Clarify why arm_setup_firmware_boot() doesn't set env->boot_info hw/arm/boot: Factor out "set up firmware boot" code hw/arm/boot: Factor out "direct kernel boot" code into its own function hw/arm/boot: Fix block comment style in arm_load_kernel() gdbstub: allow killing QEMU via vKill command target/arm: Enable TBI for user-only target/arm: Compute TB_FLAGS for TBI for user-only target/arm: Clean TBI for data operations in the translator target/arm: Add TBFLAG_A64_TBID, split out gen_top_byte_ignore tests/tcg/aarch64: Add pauth smoke test linux-user: Implement PR_PAC_RESET_KEYS target/arm: Enable BTI for -cpu max target/arm: Set btype for indirect branches target/arm: Reset btype for direct branches target/arm: Default handling of BTYPE during translation target/arm: Cache the GP bit for a page in MemTxAttrs exec: Add target-specific tlb bits to MemTxAttrs target/arm: Add BT and BTYPE to tb->flags ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index b5786d4fc1..bf076cbf8c 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -9691,6 +9691,42 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } } return ret; + case TARGET_PR_PAC_RESET_KEYS: + { + CPUARMState *env = cpu_env; + ARMCPU *cpu = arm_env_get_cpu(env); + + if (arg3 || arg4 || arg5) { + return -TARGET_EINVAL; + } + if (cpu_isar_feature(aa64_pauth, cpu)) { + int all = (TARGET_PR_PAC_APIAKEY | TARGET_PR_PAC_APIBKEY | + TARGET_PR_PAC_APDAKEY | TARGET_PR_PAC_APDBKEY | + TARGET_PR_PAC_APGAKEY); + if (arg2 == 0) { + arg2 = all; + } else if (arg2 & ~all) { + return -TARGET_EINVAL; + } + if (arg2 & TARGET_PR_PAC_APIAKEY) { + arm_init_pauth_key(&env->apia_key); + } + if (arg2 & TARGET_PR_PAC_APIBKEY) { + arm_init_pauth_key(&env->apib_key); + } + if (arg2 & TARGET_PR_PAC_APDAKEY) { + arm_init_pauth_key(&env->apda_key); + } + if (arg2 & TARGET_PR_PAC_APDBKEY) { + arm_init_pauth_key(&env->apdb_key); + } + if (arg2 & TARGET_PR_PAC_APGAKEY) { + arm_init_pauth_key(&env->apga_key); + } + return 0; + } + } + return -TARGET_EINVAL; #endif /* AARCH64 */ case PR_GET_SECCOMP: case PR_SET_SECCOMP: |