diff options
-rw-r--r-- | Documentation/mainboard/emulation/qemu-aarch64.md | 5 | ||||
-rw-r--r-- | src/mainboard/emulation/qemu-aarch64/Kconfig | 2 |
2 files changed, 4 insertions, 3 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 diff --git a/src/mainboard/emulation/qemu-aarch64/Kconfig b/src/mainboard/emulation/qemu-aarch64/Kconfig index 7d8d7b2f00..ebdbf16e8c 100644 --- a/src/mainboard/emulation/qemu-aarch64/Kconfig +++ b/src/mainboard/emulation/qemu-aarch64/Kconfig @@ -46,6 +46,6 @@ config MAINBOARD_VENDOR config DRAM_SIZE_MB int - default 1024 + default 261120 # The maximum dram size is 255GiB. endif # BOARD_EMULATION_QEMU_AARCH64 |