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@ -14,7 +14,7 @@ If ``ARM_LINUX_KERNEL_AS_BL33`` is set to 1 then this FDT will be passed to BL33 |
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via register x0, as expected by a Linux kernel. This allows a Linux kernel image |
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via register x0, as expected by a Linux kernel. This allows a Linux kernel image |
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to be booted directly as BL33 rather than using a bootloader. |
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to be booted directly as BL33 rather than using a bootloader. |
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An ARM64 defconfig v4.5 Linux kernel is known to boot, FDT doesn't need to be |
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An ARM64 defconfig v5.5 Linux kernel is known to boot, FDT doesn't need to be |
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provided as it's generated by QEMU. |
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provided as it's generated by QEMU. |
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Current limitations: |
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Current limitations: |
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@ -24,7 +24,7 @@ Current limitations: |
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- No instructions for how to load a BL32 (Secure Payload) |
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- No instructions for how to load a BL32 (Secure Payload) |
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``QEMU_EFI.fd`` can be dowloaded from |
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``QEMU_EFI.fd`` can be dowloaded from |
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http://snapshots.linaro.org/components/kernel/leg-virt-tianocore-edk2-upstream/latest/QEMU-KERNEL-AARCH64/RELEASE_GCC49/QEMU_EFI.fd |
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http://snapshots.linaro.org/components/kernel/leg-virt-tianocore-edk2-upstream/latest/QEMU-KERNEL-AARCH64/RELEASE_GCC5/QEMU_EFI.fd |
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Boot binaries, except BL1, are primarily loaded via semi-hosting so all |
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Boot binaries, except BL1, are primarily loaded via semi-hosting so all |
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binaries has to reside in the same directory as QEMU is started from. This |
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binaries has to reside in the same directory as QEMU is started from. This |
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@ -33,7 +33,7 @@ is conveniently achieved with symlinks the local names as: |
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- ``bl2.bin`` -> BL2 |
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- ``bl2.bin`` -> BL2 |
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- ``bl31.bin`` -> BL31 |
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- ``bl31.bin`` -> BL31 |
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- ``bl33.bin`` -> BL33 (``QEMU_EFI.fd``) |
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- ``bl33.bin`` -> BL33 (``QEMU_EFI.fd``) |
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- ``Image`` -> linux/Image |
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- ``Image`` -> linux/arch/arm64/boot/Image |
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To build: |
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To build: |
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@ -41,12 +41,12 @@ To build: |
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make CROSS_COMPILE=aarch64-none-elf- PLAT=qemu |
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make CROSS_COMPILE=aarch64-none-elf- PLAT=qemu |
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To start (QEMU v2.6.0): |
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To start (QEMU v4.1.0): |
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.. code:: shell |
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.. code:: shell |
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qemu-system-aarch64 -nographic -machine virt,secure=on -cpu cortex-a57 \ |
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qemu-system-aarch64 -nographic -machine virt,secure=on -cpu cortex-a57 \ |
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-kernel Image \ |
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-kernel Image \ |
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-append console=ttyAMA0,38400 keep_bootcon root=/dev/vda2 \ |
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-append "console=ttyAMA0,38400 keep_bootcon root=/dev/vda2" \ |
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-initrd rootfs-arm64.cpio.gz -smp 2 -m 1024 -bios bl1.bin \ |
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-initrd rootfs-arm64.cpio.gz -smp 2 -m 1024 -bios bl1.bin \ |
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-d unimp -semihosting-config enable,target=native |
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-d unimp -semihosting-config enable,target=native |
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