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arm64: rockchip_defconfig: Disable unsupported ARM64 features

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The Cortex-A76 core supports:
The Armv8.2-A extension.
The RAS extension.
The Load acquire (LDAPR) instructions introduced in the Armv8.3-A extension
The Dot Product support instructions introduced in the Armv8.4-A extension.
The PSTATE Speculative Store Bypass Safe (SSBS) bit and the speculation barriers (CSDB, SSBB,
PSSBB) instructions introduced in the Armv8.5-A extension.

Disable follow ARMv8.3/4/5 features:
-CONFIG_ARM64_PTR_AUTH
-CONFIG_ARM64_AMU_EXTN
-CONFIG_ARM64_TLB_RANGE
-CONFIG_ARM64_BTI
-CONFIG_ARM64_E0PD
-CONFIG_ARCH_RANDOM
-CONFIG_ARM64_MTE
-CONFIG_ARM64_SVE

Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Change-Id: I34b8af33b9ed64add2a5e17f6bfa4d3c7601c07f
This commit is contained in:
Tao Huang
2023-01-06 18:40:18 +08:00
parent 0e1976c067
commit 89082b519e
1 changed files with 8 additions and 0 deletions
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8
arch/arm64/configs/rockchip_defconfig
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@@ -79,6 +79,14 @@ CONFIG_ARMV8_DEPRECATED=y
CONFIG_SWP_EMULATION=y
CONFIG_CP15_BARRIER_EMULATION=y
CONFIG_SETEND_EMULATION=y
# CONFIG_ARM64_PTR_AUTH is not set
# CONFIG_ARM64_AMU_EXTN is not set
# CONFIG_ARM64_TLB_RANGE is not set
# CONFIG_ARM64_BTI is not set
# CONFIG_ARM64_E0PD is not set
# CONFIG_ARCH_RANDOM is not set
# CONFIG_ARM64_MTE is not set
# CONFIG_ARM64_SVE is not set
CONFIG_ARM64_PSEUDO_NMI=y
CONFIG_RANDOMIZE_BASE=y
# CONFIG_EFI is not set