On Tue, Jun 23, 2020 at 5:25 AM Bin Meng bmeng.cn@gmail.com wrote:

From: Bin Meng bin.meng@windriver.com

Explicitly pass the "-bios" option to QEMU to run U-Boot, instead of the "-kernel" option, as we know that "-bios" behavior will be changed since QEMU 5.1.0.

This also updates validated QEMU version to 5.0.0.

Signed-off-by: Bin Meng bin.meng@windriver.com

doc/board/emulation/qemu-riscv.rst | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/doc/board/emulation/qemu-riscv.rst b/doc/board/emulation/qemu-riscv.rst index c390006..b68db95 100644 --- a/doc/board/emulation/qemu-riscv.rst +++ b/doc/board/emulation/qemu-riscv.rst @@ -40,11 +40,11 @@ The minimal QEMU command line to get U-Boot up and running is:

• For 32-bit RISC-V::

• qemu-system-riscv32 -nographic -machine virt -kernel u-boot

• qemu-system-riscv32 -nographic -machine virt -bios u-boot

• For 64-bit RISC-V::

• qemu-system-riscv64 -nographic -machine virt -kernel u-boot

• qemu-system-riscv64 -nographic -machine virt -bios u-boot

The commands above create targets with 128MiB memory by default. A freely configurable amount of RAM can be created via the '-m' @@ -56,7 +56,7 @@ For instructions on how to run U-Boot in supervisor mode on QEMU with OpenSBI, see the documentation available with OpenSBI: https://github.com/riscv/opensbi/blob/master/docs/platform/qemu_virt.md

-These have been tested in QEMU 4.2.0. +These have been tested in QEMU 5.0.0.

Running U-Boot SPL

@@ -98,10 +98,10 @@ configurations are:

• For 32-bit RISC-V::

• qemu-system-riscv32 -nographic -machine virt -kernel spl/u-boot-spl \

• qemu-system-riscv32 -nographic -machine virt -bios spl/u-boot-spl \ -device loader,file=u-boot.itb,addr=0x80200000

• For 64-bit RISC-V::

• qemu-system-riscv64 -nographic -machine virt -kernel spl/u-boot-spl \

• qemu-system-riscv64 -nographic -machine virt -bios spl/u-boot-spl \ -device loader,file=u-boot.itb,addr=0x80200000

-- 2.7.4

Reviewed-by: Atish Patra atish.patra@wdc.com