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Changes included (and more): 1. Dynamic RAM merge 2. Real-time page scan and allocation 3. Cache compression 4. Real-time IRQ checks 5. Dynamic I/O allocation for Java heap 6. Java page migration 7. Contiguous memory allocation 8. Idle pages tracking 9. Per CPU RAM usage tracking 10. ARM NEON scalar multiplication library 11. NEON/ARMv8 crypto extensions 12. NEON SHA, Blake, RIPEMD crypto extensions 13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
67 lines
1.6 KiB
YAML
67 lines
1.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/arm/firmware/linaro,optee-tz.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: OP-TEE Device Tree Bindings
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maintainers:
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- Jens Wiklander <jens.wiklander@linaro.org>
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description: |
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OP-TEE is a piece of software using hardware features to provide a Trusted
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Execution Environment. The security can be provided with ARM TrustZone, but
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also by virtualization or a separate chip.
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We're using "linaro" as the first part of the compatible property for
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the reference implementation maintained by Linaro.
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properties:
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$nodename:
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const: optee
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compatible:
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const: linaro,optee-tz
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interrupts:
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maxItems: 1
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description: |
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This interrupt which is used to signal an event by the secure world
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software is expected to be edge-triggered.
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method:
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enum: [smc, hvc]
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description: |
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The method of calling the OP-TEE Trusted OS depending on smc or hvc
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instruction usage.
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SMC #0, register assignments
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or
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HVC #0, register assignments
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register assignments are specified in drivers/tee/optee/optee_smc.h
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required:
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- compatible
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- method
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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firmware {
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optee {
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compatible = "linaro,optee-tz";
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method = "smc";
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interrupts = <GIC_SPI 187 IRQ_TYPE_EDGE_RISING>;
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};
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};
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- |
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firmware {
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optee {
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compatible = "linaro,optee-tz";
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method = "hvc";
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};
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};
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