[PATCH 1/1] riscv: qemu: imply CONFIG_DM_RNG

The EFI_RNG_PROTOCOL is needed for Linux' KASLR.
QEMU can provide a virtio-rng device to emulate a hardware random number generator which is supported by our virtio_rng driver.
Enabling CONFIG_DM_RNG will enable CONFIG_VIRTIO_RNG and CONFIG_EFI_RNG_PROTOCOL by default too.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- board/emulation/qemu-riscv/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/board/emulation/qemu-riscv/Kconfig b/board/emulation/qemu-riscv/Kconfig index 6114e1b812..21d6160f01 100644 --- a/board/emulation/qemu-riscv/Kconfig +++ b/board/emulation/qemu-riscv/Kconfig @@ -53,6 +53,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy imply NVME imply PCI imply PCIE_ECAM_GENERIC + imply DM_RNG imply SCSI imply DM_SCSI imply SYS_NS16550

On Fri, Jul 28, 2023 at 9:54 PM Heinrich Schuchardt heinrich.schuchardt@canonical.com wrote:
The EFI_RNG_PROTOCOL is needed for Linux' KASLR.
QEMU can provide a virtio-rng device to emulate a hardware random number generator which is supported by our virtio_rng driver.
Enabling CONFIG_DM_RNG will enable CONFIG_VIRTIO_RNG and CONFIG_EFI_RNG_PROTOCOL by default too.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com
board/emulation/qemu-riscv/Kconfig | 1 + 1 file changed, 1 insertion(+)
Reviewed-by: Bin Meng bmeng.cn@gmail.com

On Fri, Jul 28, 2023 at 03:54:15PM +0200, Heinrich Schuchardt wrote:
The EFI_RNG_PROTOCOL is needed for Linux' KASLR.
QEMU can provide a virtio-rng device to emulate a hardware random number generator which is supported by our virtio_rng driver.
Enabling CONFIG_DM_RNG will enable CONFIG_VIRTIO_RNG and CONFIG_EFI_RNG_PROTOCOL by default too.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com
board/emulation/qemu-riscv/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/board/emulation/qemu-riscv/Kconfig b/board/emulation/qemu-riscv/Kconfig index 6114e1b812..21d6160f01 100644 --- a/board/emulation/qemu-riscv/Kconfig +++ b/board/emulation/qemu-riscv/Kconfig @@ -53,6 +53,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy imply NVME imply PCI imply PCIE_ECAM_GENERIC
- imply DM_RNG imply SCSI imply DM_SCSI imply SYS_NS16550
-- 2.40.1
Hi Heinrich,
This patch seems to cause CI: test/py/tests/test_efi_selftest.py to fail. (https://source.denx.de/u-boot/custodians/u-boot-riscv/-/jobs/666642) Could you take a look at this and check if anything else needs modification?
Best regards, Leo

On 7/31/23 08:04, Leo Liang wrote:
On Fri, Jul 28, 2023 at 03:54:15PM +0200, Heinrich Schuchardt wrote:
The EFI_RNG_PROTOCOL is needed for Linux' KASLR.
QEMU can provide a virtio-rng device to emulate a hardware random number generator which is supported by our virtio_rng driver.
Enabling CONFIG_DM_RNG will enable CONFIG_VIRTIO_RNG and CONFIG_EFI_RNG_PROTOCOL by default too.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com
board/emulation/qemu-riscv/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/board/emulation/qemu-riscv/Kconfig b/board/emulation/qemu-riscv/Kconfig index 6114e1b812..21d6160f01 100644 --- a/board/emulation/qemu-riscv/Kconfig +++ b/board/emulation/qemu-riscv/Kconfig @@ -53,6 +53,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy imply NVME imply PCI imply PCIE_ECAM_GENERIC
- imply DM_RNG imply SCSI imply DM_SCSI imply SYS_NS16550
-- 2.40.1
Hi Heinrich,
This patch seems to cause CI: test/py/tests/test_efi_selftest.py to fail. (https://source.denx.de/u-boot/custodians/u-boot-riscv/-/jobs/666642) Could you take a look at this and check if anything else needs modification?
Best regards, Leo
Hello Leo,
thanks for sharing the test result.
u-boot-test-hooks does not enable device virtio-rng-pci on RISC-V. I will adjust this.
Best regards
Heinrich
participants (3)
-
Bin Meng
-
Heinrich Schuchardt
-
Leo Liang