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| author | Asami Doi <d0iasm.pub@gmail.com> | 2019-08-22 14:11:17 +0900 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-08-26 07:15:06 +0000 |
| commit | a5d9e7a62884d4a1121795f928232fe13431b769 (patch) | |
| tree | 263b0a280f3a06141a15051f328a1ef2a3b18376 /Documentation/mainboard/emulation/qemu-aarch64.md | |
| parent | 06993ee7295c81f71462616277624fbf8ebc8ec9 (diff) | |
mainboard/emulation/qemu-aarch64: Update DRAM_SIZE_MB
DRAM_SIZE_MB should be the maximum size (255GiB / -m 261120M)
that’s possible with QEMU on AArch64 virt because it tries to search
the DRAM_SIZE_MB range to find the true memory size.
Signed-off-by: Asami Doi <d0iasm.pub@gmail.com>
Change-Id: Id479c0b18d1e1adceecdcca13e36119b95617e6d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35024
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Diffstat (limited to 'Documentation/mainboard/emulation/qemu-aarch64.md')
| -rw-r--r-- | Documentation/mainboard/emulation/qemu-aarch64.md | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/mainboard/emulation/qemu-aarch64.md b/Documentation/mainboard/emulation/qemu-aarch64.md index ee4c9e7a3b..4df36a9944 100644 --- a/Documentation/mainboard/emulation/qemu-aarch64.md +++ b/Documentation/mainboard/emulation/qemu-aarch64.md @@ -7,7 +7,7 @@ as a payload for QEMU/AArch64. ```bash qemu-system-aarch64 -bios ./build/coreboot.rom \ -M virt,secure=on,virtualization=on -cpu cortex-a53 \ - -nographic -m 8912M + -nographic -m 8192M ``` - The default CPU in QEMU for AArch64 is a cortex-a15 which is 32-bit @@ -17,6 +17,7 @@ have the right to access EL3/EL2 registers. You need to enable EL3/EL2 via `-machine secure=on,virtualization=on`. - You need to specify the size of memory more than 544 MiB because 512 MiB is reserved for the kernel. +- The maximum size of memory is 255GiB (-m 261120). ## Building coreboot with an arbitrary FIT payload There are 3 steps to make coreboot.rom for QEMU/AArch64. If you select @@ -30,7 +31,7 @@ You can get the DTB from QEMU with the following command. ``` $ qemu-system-aarch64 \ -M virt,dumpdtb=virt.dtb,secure=on,virtualization=on \ - -cpu cortex-a53 -nographic -m 2048M + -cpu cortex-a53 -nographic -m 8192M ``` ### 2. Build a FIT image with a DTB |