From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org, Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH v7 68/73] linux-user/aarch64: Inject SIGSEGV for GCS faults
Date: Wed, 8 Oct 2025 14:56:08 -0700 [thread overview]
Message-ID: <20251008215613.300150-69-richard.henderson@linaro.org> (raw)
In-Reply-To: <20251008215613.300150-1-richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/aarch64/target_signal.h | 1 +
linux-user/aarch64/cpu_loop.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/linux-user/aarch64/target_signal.h b/linux-user/aarch64/target_signal.h
index 6f66a50bfd..e509ac1032 100644
--- a/linux-user/aarch64/target_signal.h
+++ b/linux-user/aarch64/target_signal.h
@@ -7,6 +7,7 @@
#define TARGET_SEGV_MTEAERR 8 /* Asynchronous ARM MTE error */
#define TARGET_SEGV_MTESERR 9 /* Synchronous ARM MTE exception */
+#define TARGET_SEGV_CPERR 10 /* Control protection fault */
#define TARGET_ARCH_HAS_SETUP_FRAME
#define TARGET_ARCH_HAS_SIGTRAMP_PAGE 1
diff --git a/linux-user/aarch64/cpu_loop.c b/linux-user/aarch64/cpu_loop.c
index 50a4c99535..7f66a879ea 100644
--- a/linux-user/aarch64/cpu_loop.c
+++ b/linux-user/aarch64/cpu_loop.c
@@ -89,6 +89,11 @@ static void signal_for_exception(CPUARMState *env, vaddr addr)
si_code = TARGET_ILL_ILLOPN;
break;
+ case EC_GCS:
+ si_signo = TARGET_SIGSEGV;
+ si_code = TARGET_SEGV_CPERR;
+ break;
+
case EC_MOP:
/*
* FIXME: The kernel fixes up wrong-option exceptions.
--
2.43.0
next prev parent reply other threads:[~2025-10-08 22:17 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-08 21:55 [PATCH v7 00/73] target/arm: Implement FEAT_GCS Richard Henderson
2025-10-08 21:55 ` [PATCH v7 01/73] tests/functional: update tests using TF-A/TF-RMM to support FEAT_GCS Richard Henderson
2025-10-08 21:55 ` [PATCH v7 02/73] target/arm: Add isar feature test for FEAT_S1PIE, FEAT_S2PIE Richard Henderson
2025-10-08 21:55 ` [PATCH v7 03/73] target/arm: Enable TCR2_ELx.PIE Richard Henderson
2025-10-08 21:55 ` [PATCH v7 04/73] target/arm: Implement PIR_ELx, PIRE0_ELx, S2PIR_EL2 registers Richard Henderson
2025-10-08 21:55 ` [PATCH v7 05/73] target/arm: Force HPD for stage2 translations Richard Henderson
2025-10-08 21:55 ` [PATCH v7 06/73] target/arm: Cache NV1 early in get_phys_addr_lpae Richard Henderson
2025-10-08 21:55 ` [PATCH v7 07/73] target/arm: Populate PIE in aa64_va_parameters Richard Henderson
2025-10-08 21:55 ` [PATCH v7 08/73] target/arm: Implement get_S1prot_indirect Richard Henderson
2025-10-08 21:55 ` [PATCH v7 09/73] target/arm: Implement get_S2prot_indirect Richard Henderson
2025-10-08 21:55 ` [PATCH v7 10/73] target/arm: Expand CPUARMState.exception.syndrome to 64 bits Richard Henderson
2025-10-09 14:14 ` Philippe Mathieu-Daudé
2025-10-09 17:43 ` Richard Henderson
2025-10-08 21:55 ` [PATCH v7 11/73] target/arm: Expand syndrome parameter to raise_exception* Richard Henderson
2025-10-08 21:55 ` [PATCH v7 12/73] target/arm: Implement dirtybit check for PIE Richard Henderson
2025-10-08 21:55 ` [PATCH v7 13/73] target/arm: Enable FEAT_S1PIE and FEAT_S2PIE on -cpu max Richard Henderson
2025-10-08 21:55 ` [PATCH v7 14/73] include/exec/memopidx: Adjust for 32 mmu indexes Richard Henderson
2025-10-09 14:03 ` Philippe Mathieu-Daudé
2025-10-08 21:55 ` [PATCH v7 15/73] include/hw/core/cpu: Widen MMUIdxMap Richard Henderson
2025-10-08 21:55 ` [PATCH v7 16/73] target/arm: Split out mmuidx.h from cpu.h Richard Henderson
2025-10-08 21:55 ` [PATCH v7 17/73] target/arm: Convert arm_mmu_idx_to_el from switch to table Richard Henderson
2025-10-08 21:55 ` [PATCH v7 18/73] target/arm: Remove unused env argument from regime_el Richard Henderson
2025-10-08 21:55 ` [PATCH v7 19/73] target/arm: Convert regime_el from switch to table Richard Henderson
2025-10-08 21:55 ` [PATCH v7 20/73] target/arm: Convert regime_has_2_ranges " Richard Henderson
2025-10-08 21:55 ` [PATCH v7 21/73] target/arm: Remove unused env argument from regime_is_pan Richard Henderson
2025-10-08 21:55 ` [PATCH v7 22/73] target/arm: Convert regime_is_pan from switch to table Richard Henderson
2025-10-08 21:55 ` [PATCH v7 23/73] target/arm: Remove unused env argument from regime_is_user Richard Henderson
2025-10-08 21:55 ` [PATCH v7 24/73] target/arm: Convert regime_is_user from switch to table Richard Henderson
2025-10-08 21:55 ` [PATCH v7 25/73] target/arm: Convert arm_mmu_idx_is_stage1_of_2 " Richard Henderson
2025-10-08 21:55 ` [PATCH v7 26/73] target/arm: Convert regime_is_stage2 " Richard Henderson
2025-10-08 21:55 ` [PATCH v7 27/73] target/arm: Introduce mmu indexes for GCS Richard Henderson
2025-10-08 21:55 ` [PATCH v7 28/73] target/arm: Introduce regime_to_gcs Richard Henderson
2025-10-08 21:55 ` [PATCH v7 29/73] target/arm: Support page protections for GCS mmu indexes Richard Henderson
2025-10-08 21:55 ` [PATCH v7 30/73] target/arm: Implement gcs bit for data abort Richard Henderson
2025-10-08 21:55 ` [PATCH v7 31/73] target/arm: Add GCS cpregs Richard Henderson
2025-10-08 21:55 ` [PATCH v7 32/73] target/arm: Add GCS enable and trap levels to DisasContext Richard Henderson
2025-10-08 21:55 ` [PATCH v7 33/73] target/arm: Implement FEAT_CHK Richard Henderson
2025-10-08 21:55 ` [PATCH v7 34/73] target/arm: Make helper_exception_return system-only Richard Henderson
2025-10-09 14:38 ` Philippe Mathieu-Daudé
2025-10-08 21:55 ` [PATCH v7 35/73] target/arm: Export cpsr_{read_for, write_from}_spsr_elx Richard Henderson
2025-10-09 14:37 ` Philippe Mathieu-Daudé
2025-10-08 21:55 ` [PATCH v7 36/73] target/arm: Expand pstate to 64 bits Richard Henderson
2025-10-08 21:55 ` [PATCH v7 37/73] target/arm: Add syndrome data for EC_GCS Richard Henderson
2025-10-08 21:55 ` [PATCH v7 38/73] target/arm: Add arm_hcr_el2_nvx_eff Richard Henderson
2025-10-09 14:34 ` Philippe Mathieu-Daudé
2025-10-08 21:55 ` [PATCH v7 39/73] target/arm: Use arm_hcr_el2_nvx_eff in access_nv1 Richard Henderson
2025-10-09 14:34 ` Philippe Mathieu-Daudé
2025-10-08 21:55 ` [PATCH v7 40/73] target/arm: Split out access_nv1_with_nvx Richard Henderson
2025-10-09 14:04 ` Philippe Mathieu-Daudé
2025-10-08 21:55 ` [PATCH v7 41/73] target/arm: Implement EXLOCKException for ELR_ELx and SPSR_ELx Richard Henderson
2025-10-08 21:55 ` [PATCH v7 42/73] target/arm: Split {full,core}_a64_user_mem_index Richard Henderson
2025-10-09 14:05 ` [PATCH v7 42/73] target/arm: Split {full, core}_a64_user_mem_index Philippe Mathieu-Daudé
2025-10-08 21:55 ` [PATCH v7 43/73] target/arm: Introduce delay_exception{_el} Richard Henderson
2025-10-08 21:55 ` [PATCH v7 44/73] target/arm: Emit HSTR trap exception out of line Richard Henderson
2025-10-08 21:55 ` [PATCH v7 45/73] target/arm: Emit v7m LTPSIZE " Richard Henderson
2025-10-08 21:55 ` [PATCH v7 46/73] target/arm: Implement GCSSTR, GCSSTTR Richard Henderson
2025-10-08 21:55 ` [PATCH v7 47/73] target/arm: Implement GCSB Richard Henderson
2025-10-08 21:55 ` [PATCH v7 48/73] target/arm: Implement GCSPUSHM Richard Henderson
2025-10-08 21:55 ` [PATCH v7 49/73] target/arm: Implement GCSPOPM Richard Henderson
2025-10-08 21:55 ` [PATCH v7 50/73] target/arm: Implement GCSPUSHX Richard Henderson
2025-10-08 21:55 ` [PATCH v7 51/73] target/arm: Implement GCSPOPX Richard Henderson
2025-10-08 21:55 ` [PATCH v7 52/73] target/arm: Implement GCSPOPCX Richard Henderson
2025-10-08 21:55 ` [PATCH v7 53/73] target/arm: Implement GCSSS1 Richard Henderson
2025-10-08 21:55 ` [PATCH v7 54/73] target/arm: Implement GCSSS2 Richard Henderson
2025-10-08 21:55 ` [PATCH v7 55/73] target/arm: Add gcs record for BL Richard Henderson
2025-10-08 21:55 ` [PATCH v7 56/73] target/arm: Add gcs record for BLR Richard Henderson
2025-10-08 21:55 ` [PATCH v7 57/73] target/arm: Add gcs record for BLR with PAuth Richard Henderson
2025-10-08 21:55 ` [PATCH v7 58/73] target/arm: Load gcs record for RET Richard Henderson
2025-10-08 21:55 ` [PATCH v7 59/73] target/arm: Load gcs record for RET with PAuth Richard Henderson
2025-10-08 21:56 ` [PATCH v7 60/73] target/arm: Copy EXLOCKEn to EXLOCK on exception to the same EL Richard Henderson
2025-10-08 21:56 ` [PATCH v7 61/73] target/arm: Implement EXLOCK check during exception return Richard Henderson
2025-10-08 21:56 ` [PATCH v7 62/73] target/arm: Enable FEAT_GCS with -cpu max Richard Henderson
2025-10-09 14:33 ` Philippe Mathieu-Daudé
2025-10-08 21:56 ` [PATCH v7 63/73] linux-user/aarch64: Implement prctls for GCS Richard Henderson
2025-10-08 21:56 ` [PATCH v7 64/73] linux-user/aarch64: Allocate new gcs stack on clone Richard Henderson
2025-10-08 21:56 ` [PATCH v7 65/73] linux-user/aarch64: Release gcs stack on thread exit Richard Henderson
2025-10-08 21:56 ` [PATCH v7 66/73] linux-user/aarch64: Implement map_shadow_stack syscall Richard Henderson
2025-10-08 21:56 ` [PATCH v7 67/73] target/arm: Enable GCSPR_EL0 for read in user-mode Richard Henderson
2025-10-08 21:56 ` Richard Henderson [this message]
2025-10-08 21:56 ` [PATCH v7 69/73] linux-user/aarch64: Generate GCS signal records Richard Henderson
2025-10-08 21:56 ` [PATCH v7 70/73] linux-user/aarch64: Enable GCS in HWCAP Richard Henderson
2025-10-08 21:56 ` [PATCH v7 71/73] tests/tcg/aarch64: Add gcsstr Richard Henderson
2025-10-08 21:56 ` [PATCH v7 72/73] tests/tcg/aarch64: Add gcspushm Richard Henderson
2025-10-08 21:56 ` [PATCH v7 73/73] tests/tcg/aarch64: Add gcsss Richard Henderson
2025-10-10 11:40 ` [PATCH v7 00/73] target/arm: Implement FEAT_GCS Peter Maydell
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