[PATCH v7 6/6] xen/riscv: test basic handling stuff

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
Acked-by: Alistair Francis <alistair.francis@xxxxxxx>
---
Changes in V6:
  - Nothing changed. Only rebase.
---
Changes in V6:
  - Nothing changed
---
Changes in V5:
  - Nothing changed
---
Changes in V4:
  - Add Acked-by: Alistair Francis <alistair.francis@xxxxxxx>
---
Changes in V3:
  - Nothing changed
---
Changes in V2:
  - Nothing changed
---
 xen/arch/riscv/setup.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c
index abdd1669c6..ab83f84e67 100644
--- a/xen/arch/riscv/setup.c
+++ b/xen/arch/riscv/setup.c
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <xen/bug.h>
 #include <xen/compile.h>
 #include <xen/init.h>
 
@@ -11,6 +12,20 @@
 unsigned char __initdata cpu0_boot_stack[STACK_SIZE]
     __aligned(STACK_SIZE);
 
+static void test_run_in_exception(struct cpu_user_regs *regs)
+{
+    early_printk("If you see this message, ");
+    early_printk("run_in_exception_handler is most likely working\n");
+}
+
+static void test_macros_from_bug_h(void)
+{
+    run_in_exception_handler(test_run_in_exception);
+    WARN();
+    early_printk("If you see this message, ");
+    early_printk("WARN is most likely working\n");
+}
+
 void __init noreturn start_xen(unsigned long bootcpu_id,
                                paddr_t dtb_addr)
 {
@@ -18,6 +33,8 @@ void __init noreturn start_xen(unsigned long bootcpu_id,
 
     trap_init();
 
+    test_macros_from_bug_h();
+
     early_printk("Hello from C env\n");
 
     early_printk("All set up\n");
-- 
2.41.0