From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PULL 05/49] target/arm: Add state for the ARMv8.3-PAuth extension
Date: Fri, 18 Jan 2019 14:57:21 +0000 [thread overview]
Message-ID: <20190118145805.6852-6-peter.maydell@linaro.org> (raw)
In-Reply-To: <20190118145805.6852-1-peter.maydell@linaro.org>
From: Richard Henderson <richard.henderson@linaro.org>
Add storage space for the 5 encryption keys.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190108223129.5570-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.h | 30 +++++++++++++++++++++++++++++-
1 file changed, 29 insertions(+), 1 deletion(-)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 6f606eb97b1..8b891bbc308 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -201,11 +201,16 @@ typedef struct ARMVectorReg {
uint64_t d[2 * ARM_MAX_VQ] QEMU_ALIGNED(16);
} ARMVectorReg;
-/* In AArch32 mode, predicate registers do not exist at all. */
#ifdef TARGET_AARCH64
+/* In AArch32 mode, predicate registers do not exist at all. */
typedef struct ARMPredicateReg {
uint64_t p[2 * ARM_MAX_VQ / 8] QEMU_ALIGNED(16);
} ARMPredicateReg;
+
+/* In AArch32 mode, PAC keys do not exist at all. */
+typedef struct ARMPACKey {
+ uint64_t lo, hi;
+} ARMPACKey;
#endif
@@ -605,6 +610,14 @@ typedef struct CPUARMState {
uint32_t cregs[16];
} iwmmxt;
+#ifdef TARGET_AARCH64
+ ARMPACKey apia_key;
+ ARMPACKey apib_key;
+ ARMPACKey apda_key;
+ ARMPACKey apdb_key;
+ ARMPACKey apga_key;
+#endif
+
#if defined(CONFIG_USER_ONLY)
/* For usermode syscall translation. */
int eabi;
@@ -3264,6 +3277,21 @@ static inline bool isar_feature_aa64_fcma(const ARMISARegisters *id)
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FCMA) != 0;
}
+static inline bool isar_feature_aa64_pauth(const ARMISARegisters *id)
+{
+ /*
+ * Note that while QEMU will only implement the architected algorithm
+ * QARMA, and thus APA+GPA, the host cpu for kvm may use implementation
+ * defined algorithms, and thus API+GPI, and this predicate controls
+ * migration of the 128-bit keys.
+ */
+ return (id->id_aa64isar1 &
+ (FIELD_DP64(0, ID_AA64ISAR1, APA, -1) |
+ FIELD_DP64(0, ID_AA64ISAR1, API, -1) |
+ FIELD_DP64(0, ID_AA64ISAR1, GPA, -1) |
+ FIELD_DP64(0, ID_AA64ISAR1, GPI, -1))) != 0;
+}
+
static inline bool isar_feature_aa64_fp16(const ARMISARegisters *id)
{
/* We always set the AdvSIMD and FP fields identically wrt FP16. */
--
2.20.1
next prev parent reply other threads:[~2019-01-18 14:58 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-18 14:57 [Qemu-devel] [PULL 00/49] target-arm queue Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 01/49] hw/char/stm32f2xx_usart: Do not update data register when device is disabled Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 02/49] hw/arm/virt-acpi-build: Set COHACC override flag in IORT SMMUv3 node Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 03/49] target/arm: Allow Aarch32 exception return to switch from Mon->Hyp Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 04/49] ftgmac100: implement the new MDIO interface on Aspeed SoC Peter Maydell
2019-01-18 14:57 ` Peter Maydell [this message]
2019-01-18 14:57 ` [Qemu-devel] [PULL 06/49] target/arm: Add SCTLR bits through ARMv8.5 Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 07/49] target/arm: Add PAuth active bit to tbflags Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 08/49] target/arm: Introduce raise_exception_ra Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 09/49] target/arm: Add PAuth helpers Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 10/49] target/arm: Decode PAuth within system hint space Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 11/49] target/arm: Rearrange decode in disas_data_proc_1src Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 12/49] target/arm: Decode PAuth within disas_data_proc_1src Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 13/49] target/arm: Decode PAuth within disas_data_proc_2src Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 14/49] target/arm: Move helper_exception_return to helper-a64.c Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 15/49] target/arm: Add new_pc argument to helper_exception_return Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 16/49] target/arm: Rearrange decode in disas_uncond_b_reg Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 17/49] target/arm: Decode PAuth within disas_uncond_b_reg Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 18/49] target/arm: Decode Load/store register (pac) Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 19/49] target/arm: Move cpu_mmu_index out of line Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 20/49] target/arm: Introduce arm_mmu_idx Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 21/49] target/arm: Introduce arm_stage1_mmu_idx Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 22/49] target/arm: Create ARMVAParameters and helpers Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 23/49] target/arm: Merge TBFLAG_AA_TB{0, 1} to TBII Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 24/49] target/arm: Export aa64_va_parameters to internals.h Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 25/49] target/arm: Add aa64_va_parameters_both Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 26/49] target/arm: Decode TBID from TCR Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 27/49] target/arm: Reuse aa64_va_parameters for setting tbflags Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 28/49] target/arm: Implement pauth_strip Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 29/49] target/arm: Implement pauth_auth Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 30/49] target/arm: Implement pauth_addpac Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 31/49] target/arm: Implement pauth_computepac Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 32/49] target/arm: Add PAuth system registers Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 33/49] target/arm: Enable PAuth for -cpu max Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 34/49] target/arm: Enable PAuth for user-only Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 35/49] target/arm: Tidy TBI handling in gen_a64_set_pc Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 36/49] migration: Add post_save function to VMStateDescription Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 37/49] target/arm: Reorganize PMCCNTR accesses Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 38/49] target/arm: Swap PMU values before/after migrations Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 39/49] target/arm: Filter cycle counter based on PMCCFILTR_EL0 Peter Maydell
2020-08-24 16:33 ` Peter Maydell
2020-08-25 14:41 ` Aaron Lindsay
2020-08-25 14:48 ` [PATCH] target/arm: Count PMU events when MDCR.SPME is set Aaron Lindsay
2020-09-11 14:13 ` Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 40/49] target/arm: Allow AArch32 access for PMCCFILTR Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 41/49] target/arm: Implement PMOVSSET Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 42/49] target/arm: Define FIELDs for ID_DFR0 Peter Maydell
2019-01-18 14:57 ` [Qemu-devel] [PULL 43/49] target/arm: Make PMCEID[01]_EL0 64 bit registers, add PMCEID[23] Peter Maydell
2019-01-18 14:58 ` [Qemu-devel] [PULL 44/49] target/arm: Add array for supported PMU events, generate PMCEID[01]_EL0 Peter Maydell
2019-01-18 14:58 ` [Qemu-devel] [PULL 45/49] target/arm: Finish implementation of PM[X]EVCNTR and PM[X]EVTYPER Peter Maydell
2019-01-18 14:58 ` [Qemu-devel] [PULL 46/49] target/arm: PMU: Add instruction and cycle events Peter Maydell
2019-01-18 14:58 ` [Qemu-devel] [PULL 47/49] target/arm: PMU: Set PMCR.N to 4 Peter Maydell
2019-01-18 14:58 ` [Qemu-devel] [PULL 48/49] target/arm: Implement PMSWINC Peter Maydell
2019-01-18 14:58 ` [Qemu-devel] [PULL 49/49] tests/libqtest: Introduce qtest_init_with_serial() Peter Maydell
2019-01-31 17:48 ` [Qemu-devel] [PULL 00/49] target-arm queue no-reply
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