Hi,
On 20/01/2023 00:48, Andrew Cooper wrote:
On 19/01/2023 2:07 pm, Oleksii Kurochko wrote:
diff --git a/xen/arch/riscv/early_printk.c b/xen/arch/riscv/early_printk.c
new file mode 100644
index 00..6f590e712b
--- /dev/null
+++ b/xen/arch/riscv/early_printk.c
@@ -0,0 +1,45 @@
+/* SPDX-L
On 19/01/2023 2:07 pm, Oleksii Kurochko wrote:
> diff --git a/xen/arch/riscv/early_printk.c b/xen/arch/riscv/early_printk.c
> new file mode 100644
> index 00..6f590e712b
> --- /dev/null
> +++ b/xen/arch/riscv/early_printk.c
> @@ -0,0 +1,45 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
Because printk() relies on a serial driver (like the ns16550 driver)
and drivers require working virtual memory (ioremap()) there is not
print functionality early in Xen boot.
The patch introduces the basic stuff of early_printk functionality
which will be enough to print 'hello from C environment
