From: Oleksii Kurochko <oleksii.kurochko@gmail.com>
To: xen-devel@lists.xenproject.org
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Gianluca Guida <gianluca@rivosinc.com>,
Oleksii Kurochko <oleksii.kurochko@gmail.com>,
Bob Eshleman <bobbyeshleman@gmail.com>,
Alistair Francis <alistair.francis@wdc.com>,
Connor Davis <connojdavis@gmail.com>
Subject: [PATCH v1 7/8] xen/riscv: print hello message from C env
Date: Fri, 6 Jan 2023 15:14:28 +0200 [thread overview]
Message-ID: <21fb02aa340fe3a7a95dfbb950b33ae7a363496e.1673009740.git.oleksii.kurochko@gmail.com> (raw)
In-Reply-To: <cover.1673009740.git.oleksii.kurochko@gmail.com>
Signed-off-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
---
xen/arch/riscv/riscv64/head.S | 4 +---
xen/arch/riscv/setup.c | 12 ++++++++++++
2 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/xen/arch/riscv/riscv64/head.S b/xen/arch/riscv/riscv64/head.S
index ddc7104701..4e399016e9 100644
--- a/xen/arch/riscv/riscv64/head.S
+++ b/xen/arch/riscv/riscv64/head.S
@@ -5,6 +5,4 @@ ENTRY(start)
li t0, PAGE_SIZE
add sp, sp, t0
-_start_hang:
- wfi
- j _start_hang
+ tail start_xen
diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c
index 2c7dca1daa..785566103b 100644
--- a/xen/arch/riscv/setup.c
+++ b/xen/arch/riscv/setup.c
@@ -1,6 +1,18 @@
#include <xen/init.h>
#include <xen/compile.h>
+#include <asm/early_printk.h>
+
/* Xen stack for bringing up the first CPU. */
unsigned char __initdata cpu0_boot_stack[PAGE_SIZE]
__aligned(PAGE_SIZE);
+
+void __init noreturn start_xen(void)
+{
+ early_printk("Hello from C env\n");
+
+ for ( ;; )
+ asm volatile ("wfi");
+
+ unreachable();
+}
--
2.38.1
next prev parent reply other threads:[~2023-01-06 13:14 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-06 13:14 [PATCH v1 0/8] Basic early_printk and smoke test implementation Oleksii Kurochko
2023-01-06 13:14 ` [PATCH v1 1/8] xen/riscv: introduce dummy asm/init.h Oleksii Kurochko
2023-01-06 13:42 ` Julien Grall
2023-01-09 8:53 ` Oleksii
2023-01-06 13:14 ` [PATCH v1 2/8] xen/riscv: introduce asm/types.h header file Oleksii Kurochko
2023-01-06 14:12 ` Jan Beulich
2023-01-09 8:55 ` Oleksii
2023-01-06 13:14 ` [PATCH v1 3/8] xen/riscv: introduce stack stuff Oleksii Kurochko
2023-01-06 13:54 ` Julien Grall
2023-01-09 9:00 ` Oleksii
2023-01-06 14:15 ` Jan Beulich
2023-01-09 8:57 ` Oleksii
2023-01-06 14:55 ` Andrew Cooper
2023-01-06 13:14 ` [PATCH v1 4/8] xen/riscv: introduce sbi call to putchar to console Oleksii Kurochko
2022-12-20 6:23 ` Bobby Eshleman
2023-01-06 17:16 ` Andrew Cooper
2022-12-20 6:50 ` Bobby Eshleman
2023-01-09 13:01 ` Oleksii
2023-01-06 13:40 ` Julien Grall
2023-01-06 15:19 ` Andrew Cooper
2023-01-06 15:39 ` Julien Grall
2023-01-09 9:04 ` Oleksii
2023-01-09 11:11 ` Julien Grall
2023-01-06 15:19 ` Michal Orzel
2023-01-09 9:06 ` Oleksii
2023-01-06 13:14 ` [PATCH v1 5/8] xen/include: include <asm/types.h> in <xen/early_printk.h> Oleksii Kurochko
2023-01-06 13:45 ` Julien Grall
2023-01-06 13:14 ` [PATCH v1 6/8] xen/riscv: introduce early_printk basic stuff Oleksii Kurochko
2023-01-06 13:51 ` Julien Grall
2023-01-09 9:10 ` Oleksii
2023-01-09 11:14 ` Julien Grall
2023-01-06 13:14 ` Oleksii Kurochko [this message]
2023-01-06 13:14 ` [PATCH v1 8/8] automation: add RISC-V smoke test Oleksii Kurochko
2023-01-06 15:05 ` Andrew Cooper
2023-01-09 9:11 ` Oleksii
2023-01-06 13:51 ` [PATCH v1 0/8] Basic early_printk and smoke test implementation Andrew Cooper
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